What are the cheapest airlines to fly from California to London Heathrow Airport one-way?

The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as £192. However, be on the lookout for offers from WestJet and Iberia, as they are both options that can get you from California to London Heathrow Airport for a low price.

What are the most popular routes from California to London Heathrow Airport?

Most travelers choose Los Angeles - London Heathrow, San Francisco - London Heathrow or Ontario - London Heathrow when deciding on the best route from California to London Heathrow Airport.

What are the cheapest flights from California to London Heathrow Airport?

Looking for the cheapest flight from California to London Heathrow Airport? While on average our users pay £1,857, our data indicates the cheapest price to be £300. The most popular route (Los Angeles - London Heathrow), is priced around £397.

What are the most reliable airlines from California to London Heathrow Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from California to London Heathrow Airport on time: Singapore Airlines (92%), Air Canada (90%), Austrian Airlines (90%).

What are the most popular airlines that fly from California to London Heathrow Airport?

Before booking your flight from California to London Heathrow Airport check out the most popular airlines for this route: American Airlines, Air France or Alaska Airlines.

How far in advance should I book a flight from California to London Heathrow Airport?

Travelers have found it’s best to book a flight 56 days in advance to save up to 15% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 56 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from California to London Heathrow Airport 1-2 weeks in advance for as low as £572, or £776 for flights within the next 24 hours.

What is the cheapest month to fly from California to London Heathrow Airport?

October is one of the best times of the year to fly to London Heathrow Airport from California. Prices for October average £592 per person but you can even find prices for as low as £349. The most expensive prices can be found in the month of June. Opting for a October flight can save you 33% on your journey compared to booking in June

Can I find deals for flights from California to Heathrow that include hotel bookings?

Yes. In addition to deals on California to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from California to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Heathrow.

Can I find deals for business class flights from California to Heathrow?

Yes. Cheapflights offers flight deals from California to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£192+ Flights from California to London Heathrow Airport

Cheap flight deals from California to Heathrow

Round-trip from	£455
One-way from	£192
Popular in	June
Cheapest in	October
Average price	£533
Good round-trip deal	£497 or less
Good one-way deal	£309 or less

Virgin Atlantic
13/3-16/3
1 total stop
43h 15m total
California to London

Search Deals

TAP AIR PORTUGAL
20/7
1 total stop
17h 05m total
California to London

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£87 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Price to beat on a round-trip flight from California to London Heathrow.

Search Deals

Price to beat on a one-way flight from California to London Heathrow.

Search Deals

Find flight deals from California to Heathrow

Cheapest flights from California to Heathrow
Explore the most affordable flight options available from California to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Thu 13/319:30LAX - LHR

1 stop32h 00mVirgin Atlantic

Sun 16/310:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Deal found 19/2£455

Sun 9/318:40LAX - LHR

1 stop14h 20mScandinavian Airlines

Tue 25/319:30LHR - LAX

1 stop28h 05mScandinavian Airlines

Deal found 20/2£456

Mon 28/413:20LAX - LHR

Nonstop10h 40mIberia

Tue 6/511:40LHR - LAX

Nonstop11h 15mIberia

Deal found 20/2£457

Wed 5/320:15LAX - LHR

1 stop12h 35mAer Lingus

Wed 26/307:50LHR - LAX

1 stop18h 40mAer Lingus

Deal found 19/2£467

Mon 20/1019:40SFO - LHR

2 stops29h 15mScandinavian Airlines

Wed 19/1119:50LHR - SFO

2 stops26h 45mScandinavian Airlines

Deal found 20/2£467

Sun 16/321:40SFO - LHR

Nonstop10h 35mIberia

Thu 3/414:15LHR - SFO

Nonstop11h 00mIberia

Deal found 20/2£467

Mon 10/321:55LAX - LHR

Nonstop10h 30mFinnair

Tue 18/309:55LHR - LAX

1 stop15h 10mFinnair

Deal found 20/2£468

Mon 10/313:11SJC - LHR

1 stop20h 29mVirgin Atlantic

Tue 25/306:20LHR - SJC

2 stops22h 59mVirgin Atlantic

Deal found 20/2£468

Tue 15/406:10SJC - LHR

1 stop18h 50mIberia

Thu 1/512:00LHR - SJC

1 stop17h 28mIberia

Deal found 20/2£469

Sun 9/317:40SFO - LHR

Nonstop10h 15mVirgin Atlantic

Tue 25/311:40LHR - SFO

Nonstop11h 10mVirgin Atlantic

Deal found 20/2£470

Mon 10/306:15SJC - LHR

1 stop18h 40mKLM

Tue 25/314:30LHR - SJC

1 stop38h 39mKLM

Deal found 20/2£476

Sun 9/315:15LAX - LHR

1 stop13h 45mAmerican Airlines

Tue 25/310:20LHR - LAX

1 stop14h 45mAmerican Airlines

Deal found 20/2£480

Best flights from California to Heathrow
Discover carefully curated flight deals from California to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 February 2025.

Thu 13/319:30LAX - LHR

1 stop32h 00mVirgin Atlantic

Sun 16/310:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Deal found 19/2£455

Sun 9/318:40LAX - LHR

1 stop14h 20mScandinavian Airlines

Tue 25/319:30LHR - LAX

1 stop28h 05mScandinavian Airlines

Deal found 20/2£456

Mon 28/413:20LAX - LHR

Nonstop10h 40mIberia

Tue 6/511:40LHR - LAX

Nonstop11h 15mIberia

Deal found 20/2£457

Sun 9/320:10LAX - LHR

1 stop14h 40mMultiple Airlines

Sun 16/307:40LHR - LAX

1 stop15h 35mMultiple Airlines

Deal found 20/2£462

Wed 5/320:15LAX - LHR

1 stop13h 35mAer Lingus

Wed 19/309:50LHR - LAX

1 stop16h 40mAer Lingus

Deal found 20/2£467

Mon 10/321:55LAX - LHR

Nonstop10h 30mFinnair

Tue 18/309:55LHR - LAX

1 stop15h 10mFinnair

Deal found 20/2£468

Mon 10/306:15SJC - LHR

1 stop18h 40mKLM

Tue 25/314:30LHR - SJC

1 stop38h 39mKLM

Deal found 20/2£476

Sun 9/310:31LAX - LHR

1 stop13h 19mAmerican Airlines

Tue 25/310:20LHR - LAX

1 stop14h 45mAmerican Airlines

Deal found 20/2£481

Sun 9/320:00LAX - LHR

Nonstop10h 30mUnited Airlines

Sun 16/312:05LHR - LAX

1 stop36h 25mUnited Airlines

Deal found 20/2£486

Thu 13/308:30LAX - LHR

1 stop15h 40mAir Canada

Mon 24/308:55LHR - LAX

2 stops19h 30mAir Canada

Deal found 20/2£491

Fri 16/516:40LAX - LHR

1 stop17h 05mTAP AIR PORTUGAL

Tue 27/506:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Deal found 20/2£493

Thu 13/318:30LAX - LHR

2 stops32h 35mBrussels Airlines

Sun 16/306:50LHR - LAX

2 stops38h 15mBrussels Airlines

Deal found 20/2£496

Direct flights from California to Heathrow
Explore direct flight options from California to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 February 2025.

Mon 28/413:20LAX - LHR

Nonstop10h 40mIberia

Tue 6/511:40LHR - LAX

Nonstop11h 15mIberia

Deal found 20/2£457

Sun 16/321:40SFO - LHR

Nonstop10h 35mIberia

Thu 3/414:15LHR - SFO

Nonstop11h 00mIberia

Deal found 20/2£467

Sun 9/317:40SFO - LHR

Nonstop10h 15mVirgin Atlantic

Tue 25/311:40LHR - SFO

Nonstop11h 10mVirgin Atlantic

Deal found 20/2£470

Wed 19/318:55LAX - LHR

Nonstop10h 30mBritish Airways

Fri 18/414:45LHR - LAX

Nonstop11h 20mBritish Airways

Deal found 20/2£473

Wed 26/321:40SFO - LHR

Nonstop10h 35mBritish Airways

Wed 2/410:45LHR - SFO

Nonstop11h 05mBritish Airways

Deal found 20/2£473

Sun 9/316:25LAX - LHR

Nonstop10h 20mVirgin Atlantic

Tue 25/316:45LHR - LAX

Nonstop11h 30mVirgin Atlantic

Deal found 20/2£478

Sun 9/321:55LAX - LHR

Nonstop10h 30mFinnair

Tue 25/315:05LHR - LAX

Nonstop11h 20mFinnair

Deal found 20/2£485

Sun 9/318:30SFO - LHR

Nonstop10h 30mFinnair

Tue 25/311:45LHR - SFO

Nonstop11h 15mFinnair

Deal found 20/2£491

Thu 6/322:15LAX - LHR

Nonstop10h 25mAir France

Wed 19/316:45LHR - LAX

Nonstop11h 30mAir France

Deal found 20/2£497

Sun 9/316:25LAX - LHR

Nonstop10h 20mDelta

Tue 25/310:20LHR - LAX

Nonstop11h 15mDelta

Deal found 20/2£499

Thu 20/320:00LAX - LHR

Nonstop10h 30mUnited Airlines

Wed 26/315:20LHR - LAX

Nonstop11h 20mUnited Airlines

Deal found 20/2£500

Fri 18/415:55SFO - LHR

Nonstop10h 30mUnited Airlines

Sun 4/516:15LHR - SFO

Nonstop11h 05mUnited Airlines

Deal found 21/2£502

Last-minute flights from California to Heathrow
Discover last-minute flight deals from California to Heathrow. Data last updated 21 February 2025 and is based on user searches.

Wed 26/220:15LAX - LHR

1 stop16h 50mAer Lingus

Wed 12/307:50LHR - LAX

1 stop18h 40mAer Lingus

Deal found 20/2£467

Wed 26/213:00SFO - LHR

1 stop13h 10mMultiple Airlines

Mon 10/320:05LHR - SFO

1 stop28h 20mMultiple Airlines

Deal found 20/2£507

Wed 26/212:50SFO - LHR

Nonstop10h 35mUnited Airlines

Mon 10/313:45LHR - SFO

1 stop34h 40mUnited Airlines

Deal found 20/2£509

Wed 26/213:00SFO - LHR

1 stop13h 10mAir Canada

Wed 12/308:55LHR - SFO

2 stops19h 47mAir Canada

Deal found 20/2£515

Thu 27/217:30SFO - LHR

1 stop14h 30mScandinavian Airlines

Thu 6/306:40LHR - SFO

1 stop17h 00mScandinavian Airlines

Deal found 20/2£485

Thu 27/216:40SFO - LHR

Nonstop10h 15mVirgin Atlantic

Mon 3/310:00LHR - SFO

1 stop33h 50mVirgin Atlantic

Deal found 20/2£524

Fri 28/210:41SFO - LHR

1 stop16h 59mFinnair

Mon 10/316:15LHR - SFO

2 stops35h 47mFinnair

Deal found 19/2£528

Sat 1/317:20SFO - LHR

1 stop13h 05mAer Lingus

Fri 7/309:50LHR - SFO

1 stop13h 40mAer Lingus

Deal found 20/2£501

Sat 1/316:40SFO - LHR

1 stop16h 50mTAP AIR PORTUGAL

Thu 6/319:55LHR - SFO

1 stop26h 20mTAP AIR PORTUGAL

Deal found 20/2£518

Sun 2/317:40LAX - LHR

1 stop14h 20mScandinavian Airlines

Wed 12/306:40LHR - LAX

1 stop16h 55mScandinavian Airlines

Deal found 20/2£468

Sun 2/306:10SJC - LHR

1 stop16h 10mFinnair

Sun 9/316:15LHR - SJC

2 stops36h 10mFinnair

Deal found 20/2£529

Mon 3/300:40SFO - LHR

1 stop22h 25mDelta

Tue 11/311:40LHR - SFO

Nonstop11h 10mDelta

Deal found 20/2£528

One-way flights from California to Heathrow
Search for one-way flight options from California to Heathrow. Find affordable one-way fares based on user searches. Data last updated 21 February 2025.

Sun 20/716:40LAX - LHR

1 stop17h 05mTAP AIR PORTUGAL

Deal found 19/2£192

Tue 4/307:00LAX - LHR

1 stop21h 50mWestJet

Deal found 20/2£204

Wed 5/319:10LAS - LHR

1 stop33h 40mMultiple Airlines

Deal found 20/2£204

Wed 5/313:20LAS - LHR

1 stop15h 30mWestJet

Deal found 20/2£213

Wed 26/212:35SAN - LHR

1 stop16h 15mWestJet

Deal found 20/2£223

Tue 4/316:04LAX - LHR

2 stops36h 46mMultiple Airlines

Deal found 19/2£224

Wed 2/413:20SNA - LHR

1 stop14h 45mWestJet

Deal found 20/2£239

Thu 10/410:15SFO - LHR

2 stops17h 50mMultiple Airlines

Deal found 20/2£242

Tue 13/520:00SFO - LHR

1 stop16h 05mIberia

Deal found 20/2£243

Tue 1/420:50SJC - LHR

3 stops31h 05mMultiple Airlines

Deal found 20/2£248

Mon 3/309:56SAN - LHR

2 stops42h 54mMultiple Airlines

Deal found 20/2£249

Mon 3/317:29SNA - LHR

2 stops35h 21mMultiple Airlines

Deal found 21/2£251

Find flights from California to Heathrow within your budget

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 13/3

19:30-10:30

1 stop32h 00m

London Heathrow

Sun 16/3

10:20-14:35

Nonstop11h 15m

£455

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 9/3

18:40-16:00

1 stop14h 20m

London Heathrow

Tue 25/3

19:30-16:35

1 stop28h 05m

£456

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 28/4

13:20-08:00

Nonstop10h 40m

London Heathrow

Tue 6/5

11:40-14:55

Nonstop11h 15m

£457

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 5/3

20:15-16:50

1 stop12h 35m

London Heathrow

Wed 26/3

07:50-19:30

1 stop18h 40m

£467

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 16/3

21:40-15:15

Nonstop10h 35m

London Heathrow

Thu 3/4

14:15-17:15

Nonstop11h 00m

£467

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 10/3

21:55-15:25

Nonstop10h 30m

London Heathrow

Tue 18/3

09:55-18:05

1 stop15h 10m

£468

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 10/3

13:11-16:40

1 stop20h 29m

London Heathrow

Tue 25/3

06:20-22:19

2 stops22h 59m

£468

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 24/3

18:30-21:35

2 stops20h 05m

London Heathrow

Mon 31/3

21:05-16:30

2 stops27h 25m

£475

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 10/3

06:15-07:55

1 stop18h 40m

London Heathrow

Tue 25/3

14:30-22:09

1 stop38h 39m

£476

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 9/3

15:15-12:00

1 stop13h 45m

London Heathrow

Tue 25/3

10:20-18:05

1 stop14h 45m

£480

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 60 results

...

Best time to book a flight from California to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from California with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from California to Heathrow

Get recent, data-driven insights about flights from California to Heathrow including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from California to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from California to London Heathrow Airport (average of £112). Flying from California to London Heathrow Airport in August is currently the most expensive (average of £163). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CA to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to London Heathrow Airport as you normally would.

Weekly flight availability from California to London Heathrow Airport

The most flights from USCA to LHR are scheduled on a Thursday (56 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (37 on average).

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

To help decide which airline to fly from California to London, see what other customers have to say about Delta, Alaska Airlines and KLM. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

8,219 reviews

Delta

8.0

Very Good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Alaska Airlines

8.0

Very Good

9,697 reviews

Delta

8.0

Very Good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very Good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,273 reviews

Delta

8.0

Very Good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

773 reviews

Delta

8.0

Very Good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from California to London Heathrow Airport one-way?
The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as £192. However, be on the lookout for offers from WestJet and Iberia, as they are both options that can get you from California to London Heathrow Airport for a low price.
What are the most popular routes from California to London Heathrow Airport?
Most travelers choose Los Angeles - London Heathrow, San Francisco - London Heathrow or Ontario - London Heathrow when deciding on the best route from California to London Heathrow Airport.
What are the most reliable airlines from California to London Heathrow Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from California to London Heathrow Airport on time: Singapore Airlines (92%), Air Canada (90%), Austrian Airlines (90%).
What are the cheapest flights from California to London Heathrow Airport?
Looking for the cheapest flight from California to London Heathrow Airport? While on average our users pay £1,857, our data indicates the cheapest price to be £300. The most popular route (Los Angeles - London Heathrow), is priced around £397.
Can I find deals for flights from California to Heathrow that include hotel bookings?
Yes. In addition to deals on California to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from California to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Heathrow.
Can I find deals for business class flights from California to Heathrow?
Yes. Cheapflights offers flight deals from California to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from California to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from California to London Heathrow Airport (average of £112). Flying from California to London Heathrow Airport in August is currently the most expensive (average of £163). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Deal

Hounslow

Milton Keynes

Croydon

Gatwick

Slough

Luton

Ilford

Hayes

Eastbourne

Swindon

Northampton

Wembley

Southend-on-Sea

Ipswich

Winchester

Maidstone

Crawley

Southall

Watford

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from California to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest£323	Average£486	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Finnair	Cheapest£388	Average£681	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Norse Atlantic UK	Cheapest£404	Average£708	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
KLM	Cheapest£405	Average£548	FlexibilityNo cancel fee	On-time75%	Search KLM flights
TAP AIR PORTUGAL	Cheapest£416	Average£432	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Lufthansa	Cheapest£445	Average£732	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	Cheapest£449	Average£617	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Iberia	Cheapest£455	Average£590	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£458	Average£670	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air Canada	Cheapest£462	Average£725	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from California to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from California today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from California to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from California to Heathrow.

Can Cheapflights find flights from California to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from California to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from California to Heathrow become cheaper?

Of course! You can now track prices for flights from California to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from California to London Heathrow Airport from £192

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from California to Heathrow

Keep the following information in mind while searching for California to Heathrow flight deals. Data was last updated 21 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from California to Heathrow

Cheapest flights from California to HeathrowExplore the most affordable flight options available from California to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Explore the most affordable flight options available from California to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Find flights from California to Heathrow within your budget

Best time to book a flight from California to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from California with our price prediction graph.

Travel insights for flights from California to Heathrow

Get recent, data-driven insights about flights from California to Heathrow including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from California to London Heathrow Airport?

What is the cheapest time of day to fly from CA to LHR?

Find hourly flight availability from California to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

Weekly flight availability from California to London Heathrow Airport

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

Related info for your journey

Find useful and relevant information for your journey from California to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from California to London Heathrow Airport one-way?

What are the most popular routes from California to London Heathrow Airport?

What are the most reliable airlines from California to London Heathrow Airport?

What are the cheapest flights from California to London Heathrow Airport?

Can I find deals for flights from California to Heathrow that include hotel bookings?

How can I find direct flights from California to Heathrow?

Can I find deals for business class flights from California to Heathrow?

What is the cheapest month to book a flight from California to London Heathrow Airport?

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Alternative routes for California to Heathrow

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Top 10 airlines flying from California to Heathrow

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Cheapest flights from California to Heathrow
Explore the most affordable flight options available from California to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.