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 £224. However, be on the lookout for offers from WestJet and JetBlue, 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 San Diego - 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 £2,312, our data indicates the cheapest price to be £290. The most popular route (Los Angeles - London Heathrow), is priced around £391.

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: Air France (91%), Delta (91%), Aeromexico (91%).

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 54 days in advance to save up to 9% 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 54 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 £552, or £741 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 £576 per person but you can even find prices for as low as £340. The most expensive prices can be found in the month of June. Opting for a October flight can save you 30% 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.

£205+ Flights from California to London Heathrow Airport

Cheap flight deals from California to Heathrow

Round-trip from	£452
One-way from	£205
Popular in	June
Cheapest in	October
Average price	£522
Good round-trip deal	£489 or less
Good one-way deal	£313 or less

Scandinavian Airlines
10/9-18/9
2 total stops
28h 10m total
California to London

Search Deals

7/4
1 total stop
34h 30m total
California to London

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£73 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 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 28 March 2025.

Wed 1/1019:30LAX - LHR

1 stop15h 00mScandinavian Airlines

Tue 7/1007:05LHR - LAX

2 stops17h 15mScandinavian Airlines

Deal found 28/3£452

Fri 9/523:20LAS - LHR

2 stops26h 15mScandinavian Airlines

Mon 12/507:05LHR - LAS

2 stops25h 13mScandinavian Airlines

Deal found 27/3£453

Sun 27/419:45LAX - LHR

1 stop34h 30mMultiple Airlines

Tue 13/521:35LHR - LAX

2 stops53h 30mMultiple Airlines

Deal found 28/3£462

Mon 14/422:45LAX - LHR

1 stop23h 50mAir Canada

Fri 25/410:15LHR - LAX

2 stops16h 53mAir Canada

Deal found 27/3£463

Sun 4/520:15LAX - LHR

1 stop14h 40mAer Lingus

Thu 22/512:00LHR - LAX

1 stop14h 25mAer Lingus

Deal found 26/3£467

Wed 1/1019:40SFO - LHR

2 stops17h 55mScandinavian Airlines

Sun 12/1006:40LHR - SFO

2 stops41h 50mScandinavian Airlines

Deal found 27/3£468

Wed 16/413:20LAX - LHR

Nonstop10h 40mIberia

Wed 30/411:40LHR - LAX

Nonstop11h 15mIberia

Deal found 26/3£469

Wed 2/416:35SFO - LHR

1 stop12h 45mMultiple Airlines

Tue 15/408:45LHR - SFO

1 stop15h 25mMultiple Airlines

Deal found 27/3£470

Sun 20/716:40LAX - LHR

1 stop17h 05mTAP AIR PORTUGAL

Tue 19/806:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Deal found 28/3£472

Wed 2/416:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Tue 15/406:30LHR - SFO

1 stop13h 15mVirgin Atlantic

Deal found 27/3£483

Sun 6/416:05SFO - LHR

Nonstop10h 20mKLM

Tue 22/411:15LHR - SFO

Nonstop11h 00mKLM

Deal found 27/3£486

Thu 25/916:20SFO - LHR

1 stop18h 30mTAP AIR PORTUGAL

Thu 2/1006:00LHR - SFO

1 stop16h 30mTAP AIR PORTUGAL

Deal found 28/3£487

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 28 March 2025.

Wed 10/919:30LAX - LHR

1 stop14h 10mScandinavian Airlines

Thu 18/910:20LHR - LAX

1 stop14h 00mScandinavian Airlines

Deal found 27/3£452

Sun 27/419:45LAX - LHR

1 stop34h 30mMultiple Airlines

Tue 13/521:35LHR - LAX

2 stops53h 30mMultiple Airlines

Deal found 28/3£462

Mon 14/422:45LAX - LHR

1 stop23h 50mAir Canada

Fri 25/410:15LHR - LAX

2 stops16h 53mAir Canada

Deal found 27/3£463

Sun 4/520:15LAX - LHR

1 stop14h 40mAer Lingus

Thu 22/512:00LHR - LAX

1 stop14h 25mAer Lingus

Deal found 26/3£467

Wed 16/413:20LAX - LHR

Nonstop10h 40mIberia

Wed 30/411:40LHR - LAX

Nonstop11h 15mIberia

Deal found 26/3£469

Sun 20/716:40LAX - LHR

1 stop17h 05mTAP AIR PORTUGAL

Tue 19/806:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Deal found 28/3£472

Tue 15/419:30SFO - LHR

Nonstop10h 25mAmerican Airlines

Tue 13/508:50LHR - SFO

1 stop14h 55mAmerican Airlines

Deal found 28/3£496

Thu 1/522:50LAX - LHR

1 stop13h 10mVirgin Atlantic

Wed 14/508:40LHR - LAX

1 stop14h 10mVirgin Atlantic

Deal found 28/3£498

Sun 4/518:45LAX - LHR

1 stop14h 20mFinnair

Wed 14/512:00LHR - LAX

1 stop15h 27mFinnair

Deal found 26/3£499

Wed 30/416:20SFO - LHR

Nonstop10h 35mBritish Airways

Thu 22/514:15LHR - SFO

Nonstop11h 00mBritish Airways

Deal found 28/3£501

Wed 16/412:55SFO - LHR

Nonstop10h 30mUnited Airlines

Tue 20/508:45LHR - SFO

1 stop15h 25mUnited Airlines

Deal found 27/3£502

Tue 8/416:05SFO - LHR

Nonstop10h 20mDelta

Thu 17/406:30LHR - SFO

1 stop13h 15mDelta

Deal found 27/3£505

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 28 March 2025.

Wed 16/413:20LAX - LHR

Nonstop10h 40mIberia

Wed 30/411:40LHR - LAX

Nonstop11h 15mIberia

Deal found 26/3£469

Fri 16/516:20SFO - LHR

Nonstop10h 35mIberia

Tue 20/510:45LHR - SFO

Nonstop11h 05mIberia

Deal found 26/3£488

Wed 30/416:20SFO - LHR

Nonstop10h 35mBritish Airways

Thu 22/514:15LHR - SFO

Nonstop11h 00mBritish Airways

Deal found 28/3£501

Sun 27/420:05LAX - LHR

Nonstop10h 30mKLM

Tue 13/517:30LHR - LAX

Nonstop11h 15mKLM

Deal found 27/3£505

Sun 27/420:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Tue 13/509:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Deal found 28/3£508

Tue 8/416:20SFO - LHR

Nonstop10h 35mFinnair

Tue 22/410:45LHR - SFO

Nonstop11h 05mFinnair

Deal found 28/3£508

Sun 21/921:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Sat 4/1011:15LHR - SFO

Nonstop11h 00mVirgin Atlantic

Deal found 28/3£514

Tue 29/420:05LAX - LHR

Nonstop10h 30mBritish Airways

Tue 6/510:10LHR - LAX

Nonstop11h 15mBritish Airways

Deal found 27/3£515

Wed 16/412:55SFO - LHR

Nonstop10h 30mUnited Airlines

Tue 22/410:35LHR - SFO

Nonstop11h 05mUnited Airlines

Deal found 28/3£516

Wed 24/919:50SAN - LHR

Nonstop10h 30mIberia

Wed 22/1014:55LHR - SAN

Nonstop11h 05mIberia

Deal found 28/3£524

Sun 27/421:10LAS - LHR

Nonstop9h 55mVirgin Atlantic

Tue 13/516:35LHR - LAS

Nonstop10h 45mVirgin Atlantic

Deal found 28/3£524

Sun 27/413:20LAX - LHR

Nonstop10h 40mFinnair

Tue 13/510:10LHR - LAX

Nonstop11h 15mFinnair

Deal found 27/3£530

Last-minute flights from California to Heathrow
Discover last-minute flight deals from California to Heathrow. Data last updated 28 March 2025 and is based on user searches.

Tue 1/417:45SFO - LHR

1 stop14h 10mAer Lingus

Thu 3/407:40LHR - SFO

1 stop16h 15mAer Lingus

Deal found 28/3£488

Wed 2/416:35SFO - LHR

1 stop12h 45mMultiple Airlines

Tue 15/408:45LHR - SFO

1 stop15h 25mMultiple Airlines

Deal found 27/3£470

Wed 2/416:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Tue 15/406:30LHR - SFO

1 stop13h 15mVirgin Atlantic

Deal found 27/3£483

Wed 2/419:40SFO - LHR

Nonstop10h 30mLufthansa

Tue 15/412:20LHR - SFO

Nonstop11h 05mLufthansa

Deal found 27/3£515

Sun 6/417:45SFO - LHR

1 stop17h 10mAer Lingus

Tue 22/407:40LHR - SFO

1 stop16h 15mAer Lingus

Deal found 27/3£480

Sun 6/416:05SFO - LHR

Nonstop10h 20mKLM

Tue 22/411:15LHR - SFO

Nonstop11h 00mKLM

Deal found 27/3£486

Sun 6/419:30LAX - LHR

1 stop18h 10mScandinavian Airlines

Tue 22/406:40LHR - LAX

1 stop17h 40mScandinavian Airlines

Deal found 26/3£490

Sun 6/415:55SFO - LHR

Nonstop10h 30mUnited Airlines

Thu 17/409:00LHR - SFO

1 stop18h 00mUnited Airlines

Deal found 28/3£504

Sun 6/416:05SFO - LHR

Nonstop10h 20mDelta

Thu 17/406:30LHR - SFO

1 stop13h 15mDelta

Deal found 27/3£505

Sun 6/419:30SFO - LHR

Nonstop10h 25mFinnair

Tue 22/410:45LHR - SFO

Nonstop11h 05mFinnair

Deal found 27/3£507

Sun 6/416:35SFO - LHR

1 stop12h 45mAir Canada

Tue 22/409:30LHR - SFO

2 stops18h 37mAir Canada

Deal found 27/3£511

Sun 6/411:35SJC - LHR

1 stop15h 45mVirgin Atlantic

Tue 22/416:25LHR - SJC

1 stop14h 24mVirgin Atlantic

Deal found 28/3£515

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 28 March 2025.

Mon 7/419:45LAX - LHR

1 stop34h 30mMultiple Airlines

Deal found 27/3£205

Fri 25/719:58LAS - LHR

2 stops37h 47mMultiple Airlines

Deal found 27/3£221

Fri 11/716:40LAX - LHR

1 stop21h 20mTAP AIR PORTUGAL

Deal found 28/3£224

Wed 30/407:00LAX - LHR

1 stop21h 05mWestJet

Deal found 27/3£242

Tue 29/412:00LAS - LHR

1 stop13h 30mJetBlue

Deal found 26/3£250

Tue 15/710:32SJC - LHR

2 stops24h 18mMultiple Airlines

Deal found 27/3£258

Sun 6/419:30LAX - LHR

2 stops17h 50mScandinavian Airlines

Deal found 28/3£294

Tue 22/418:45LAX - LHR

1 stop17h 55mFinnair

Deal found 27/3£297

Mon 12/510:15SFO - LHR

2 stops17h 50mMultiple Airlines

Deal found 27/3£300

Mon 28/408:30LAX - LHR

1 stop17h 00mJetBlue

Deal found 27/3£300

Tue 20/519:40SFO - LHR

1 stop18h 00mScandinavian Airlines

Deal found 27/3£301

Wed 4/618:20LAS - LHR

1 stop33h 45mWestJet

Deal found 26/3£303

Cheapflights Fare Finder

Use the filters below to find and compare flights from California to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 10/9

19:30-17:40

1 stop14h 10m

London Heathrow

Thu 18/9

10:20-16:20

1 stop14h 00m

£452

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 9/5

23:20-09:35

2 stops26h 15m

London Heathrow

Mon 12/5

07:05-00:18

2 stops25h 13m

£453

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 27/4

19:45-14:15

1 stop34h 30m

London Heathrow

Tue 13/5

21:35-19:05

2 stops53h 30m

£462

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 14/4

22:45-06:35

1 stop23h 50m

London Heathrow

Fri 25/4

10:15-19:08

2 stops16h 53m

£463

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 4/5

20:15-18:55

1 stop14h 40m

London Heathrow

Thu 22/5

12:00-18:25

1 stop14h 25m

£467

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 15/4

19:40-21:40

1 stop18h 00m

London Heathrow

Tue 6/5

21:05-16:30

2 stops27h 25m

£468

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 16/4

13:20-08:00

Nonstop10h 40m

London Heathrow

Wed 30/4

11:40-14:55

Nonstop11h 15m

£469

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 20/7

16:40-17:45

1 stop17h 05m

London Heathrow

Tue 19/8

06:00-14:40

1 stop16h 40m

£472

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 22/4

13:00-13:20

1 stop16h 20m

London Heathrow

Tue 29/4

06:00-16:10

1 stop18h 10m

£485

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 30/4

17:45-14:55

1 stop13h 10m

London Heathrow

Tue 6/5

07:40-15:55

1 stop16h 15m

£489

Flights are sorted by cheapest return flights first.

Deals found on 27/3

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.

Cheapflights Insights

Everything you need to know about your flight from California to London Heathrow Airport

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 £164). 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.

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

7,896 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

7,896 reviews

Delta

8.0

Very Good

7,896 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

9,797 reviews

Delta

8.0

Very Good

7,896 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

1,321 reviews

Delta

8.0

Very Good

7,896 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

1,267 reviews

Delta

8.0

Very Good

7,896 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.

SWISS

7.5

Good

1,570 reviews

Delta

8.0

Very Good

7,896 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 £224. However, be on the lookout for offers from WestJet and JetBlue, 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 San Diego - 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: Air France (91%), Delta (91%), Aeromexico (91%).
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 £2,312, our data indicates the cheapest price to be £290. The most popular route (Los Angeles - London Heathrow), is priced around £391.
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 £164). 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

Hounslow

Deal

Milton Keynes

Gatwick

Croydon

Luton

Slough

Eastbourne

Wembley

Northampton

Swindon

Hayes

Ilford

Crawley

Southend-on-Sea

Winchester

Maidstone

Ipswich

Watford

Southall

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£315	Average£462	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Finnair	Cheapest£378	Average£662	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
KLM	Cheapest£395	Average£535	FlexibilityNo cancel fee	On-time75%	Search KLM flights
TAP AIR PORTUGAL	Cheapest£405	Average£422	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air France	Cheapest£408	Average£556	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Virgin Atlantic	Cheapest£428	Average£619	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Lufthansa	Cheapest£433	Average£717	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Iberia	Cheapest£443	Average£564	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£446	Average£663	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air Canada	Cheapest£451	Average£692	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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from California to London Heathrow Airport from £205

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 7/4. 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 28 March 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 28 March 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 28 March 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from California to London Heathrow Airport that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from California to London Heathrow Airport

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 28 March 2025.

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 28 March 2025.