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

One-way options have recently been found by users for as low as £192 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include WestJet from £204 and Norse Atlantic UK from £230 one-way.

What are the most popular routes from California to London?

The most popular flight routes from California to London are Los Angeles - London Heathrow, San Francisco - London Heathrow and Los Angeles - London City.

What are the cheapest flights from California to London?

Looking for the cheapest flight from California to London? 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 £411.

What are the most reliable airlines from California to London?

Before booking your flight to London from California, check out the most reliable airlines to get you to your destination on time: Singapore Airlines (92%), Air Canada (90%), Austrian Airlines( 90%).

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

When booking a flight from California to London, you may want to consider flying on American Airlines, Air France or Alaska Airlines as they are the most popular for this route.

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

To save up to 15% on this flight, we recommend booking at least 56 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from California to London from £572 1-2 weeks out and tickets from £776 for flights departing within the next 72 hours.

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

October can be a great time to fly to London from California with a flight ticket averaging about £592. Cheapflights users have found deals in the month of October for as cheap as £349. The most expensive prices can be found in the month of June.

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

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

How can I find direct flights from California to London?

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

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

Yes. Cheapflights offers flight deals from California to London 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

Cheap flight deals from California to London

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 (LON).

Search Deals

Price to beat on a one-way flight from California to London (LON).

Search Deals

Find flight deals from California to London

Cheapest flights from California to London
Explore the most affordable flight options available from California to London. 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

Tue 1/423:48LAX - LGW

2 stops26h 12mMultiple Airlines

Wed 30/416:15LGW - LAX

1 stop34h 50mMultiple Airlines

Deal found 20/2£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 11/516:30LAX - LGW

Nonstop10h 25mNorse Atlantic UK

Wed 21/510:45LGW - LAX

Nonstop11h 25mNorse Atlantic UK

Deal found 20/2£459

Wed 5/320:15LAX - LHR

1 stop12h 35mAer Lingus

Wed 26/307:50LHR - LAX

1 stop18h 40mAer Lingus

Deal found 19/2£467

Mon 3/316:40SFO - LGW

1 stop15h 05mTAP AIR PORTUGAL

Mon 10/321:30LGW - SFO

2 stops49h 10mTAP AIR PORTUGAL

Deal found 20/2£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

Sun 9/317:40SFO - LHR

Nonstop10h 15mVirgin Atlantic

Tue 25/311:40LHR - SFO

Nonstop11h 10mVirgin Atlantic

Deal found 20/2£470

Mon 5/521:20LAX - LTN

1 stop16h 55mMultiple Airlines

Sun 11/506:05LTN - LAX

1 stop21h 00mMultiple Airlines

Deal found 20/2£472

Best flights from California to London
Discover carefully curated flight deals from California to London 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

Tue 1/423:48LAX - LGW

2 stops26h 12mMultiple Airlines

Wed 30/416:15LGW - LAX

1 stop34h 50mMultiple Airlines

Deal found 20/2£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 11/516:30LAX - LGW

Nonstop10h 25mNorse Atlantic UK

Wed 21/510:45LGW - LAX

Nonstop11h 25mNorse Atlantic UK

Deal found 20/2£459

Wed 5/320:15LAX - LHR

1 stop13h 35mAer Lingus

Wed 19/309:50LHR - LAX

1 stop16h 40mAer Lingus

Deal found 20/2£467

Mon 3/316:40SFO - LGW

1 stop15h 05mTAP AIR PORTUGAL

Mon 10/321:30LGW - SFO

2 stops49h 10mTAP AIR PORTUGAL

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

Wed 12/320:25SFO - LGW

1 stop14h 25mSWISS

Mon 17/318:45LGW - SFO

1 stop29h 40mSWISS

Deal found 20/2£480

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

Mon 28/422:33SFO - LGW

1 stop25h 37mBritish Airways

Wed 7/515:05LGW - SFO

1 stop17h 01mBritish Airways

Deal found 21/2£486

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

Sun 11/516:30LAX - LGW

Nonstop10h 25mNorse Atlantic UK

Mon 19/510:45LGW - LAX

Nonstop11h 15mNorse Atlantic UK

Deal found 20/2£455

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

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

Tue 25/210:40LAX - LGW

1 stop15h 55mMultiple Airlines

Tue 4/312:00LGW - LAX

1 stop17h 32mMultiple Airlines

Deal found 20/2£457

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

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

Sat 1/322:59SFO - LGW

1 stop27h 36mMultiple Airlines

Fri 7/314:00LGW - SFO

2 stops42h 43mMultiple Airlines

Deal found 20/2£520

Sun 2/317:40LAX - LHR

1 stop14h 20mScandinavian Airlines

Wed 12/306:40LHR - LAX

1 stop16h 55mScandinavian Airlines

Deal found 20/2£468

Sun 2/319:25SFO - LGW

1 stop14h 25mSWISS

Mon 10/318:45LGW - SFO

1 stop29h 40mSWISS

Deal found 20/2£517

Mon 3/316:40SFO - LGW

1 stop15h 05mTAP AIR PORTUGAL

Mon 10/321:30LGW - SFO

2 stops49h 10mTAP AIR PORTUGAL

Deal found 20/2£467

One-way flights from California to London
Search for one-way flight options from California to London. 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

Mon 31/323:48LAX - LGW

2 stops26h 12mMultiple Airlines

Deal found 20/2£195

Sat 19/716:40LAX - LGW

1 stop33h 05mTAP AIR PORTUGAL

Deal found 19/2£196

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

Tue 18/305:45LAX - LTN

3 stops33h 45mMultiple Airlines

Deal found 20/2£216

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

Sun 13/716:30LAX - LGW

Nonstop10h 25mNorse Atlantic UK

Deal found 20/2£230

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

Find flights from California to London 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 - LGW

LAXLGW

Los Angeles

Tue 1/4

23:48-10:00

2 stops26h 12m

London Gatwick

Wed 30/4

16:15-19:05

1 stop34h 50m

£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 - LGW

LAXLGW

Los Angeles

Sun 11/5

16:30-10:55

Nonstop10h 25m

London Gatwick

Wed 21/5

10:45-14:10

Nonstop11h 25m

£459

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 - LGW

SFOLGW

San Francisco

Mon 3/3

16:40-15:45

1 stop15h 05m

London Gatwick

Mon 10/3

21:30-15:40

2 stops49h 10m

£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

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Sun 18/5

16:40-09:45

1 stop33h 05m

London Gatwick

Sat 31/5

16:30-14:25

1 stop29h 55m

£469

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 London

Have a flexible travel schedule? Discover the best time to fly to London 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 London

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

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

Currently, January is the cheapest month in which you can book a flight from California to London (average of £112). Flying from California to London 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 LON?

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

Weekly flight availability from California to London

The most flights from USCA to LON 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 London by month

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

Temperature in London by month

If weather is an important factor for your trip to London, 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 London

See what other customers who have flown with Delta, KLM and Finnair from California to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,213 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

8,213 reviews

Delta

8.0

Very Good

8,213 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

1,331 reviews

Delta

8.0

Very Good

8,213 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

8,213 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

8,213 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

1,568 reviews

Delta

8.0

Very Good

8,213 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 one-way?
One-way options have recently been found by users for as low as £192 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include WestJet from £204 and Norse Atlantic UK from £230 one-way.
What are the most popular routes from California to London?
The most popular flight routes from California to London are Los Angeles - London Heathrow, San Francisco - London Heathrow and Los Angeles - London City.
What are the most reliable airlines from California to London?
Before booking your flight to London from California, check out the most reliable airlines to get you to your destination on time: Singapore Airlines (92%), Air Canada (90%), Austrian Airlines( 90%).
What are the cheapest flights from California to London?
Looking for the cheapest flight from California to London? 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 £411.
Can I find deals for flights from California to London that include hotel bookings?
Yes. In addition to deals on California to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from California to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to London.
Can I find deals for business class flights from California to London?
Yes. Cheapflights offers flight deals from California to London 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?
Currently, January is the cheapest month in which you can book a flight from California to London (average of £112). Flying from California to London 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

Wembley

Southend-on-Sea

Ipswich

Winchester

Maidstone

Crawley

Southall

Watford

Dartford

Stansted

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from California to London

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest£323	Average£486	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Norse Atlantic UK	Cheapest£381	Average£670	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Finnair	Cheapest£388	Average£681	FlexibilityNo cancel fee	On-time76%	Search Finnair 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 London?

Deals for California to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to London from California by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from California to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on California to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the 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 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 London

Keep the following information in mind while searching for California to London 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 London

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

Find flights from California to London within your budget

Best time to book a flight from California to London

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

Travel insights for flights from California to London

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

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

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

Find hourly flight availability from California to London. 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

Explore weekly flight availability from California to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 February 2025.

Rainfall in London by month

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

Temperature in London by month

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

Reviews of airlines servicing London

See what other customers who have flown with Delta, KLM and Finnair from California to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from California to London. 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 one-way?

What are the most popular routes from California to London?

What are the most reliable airlines from California to London?

What are the cheapest flights from California to London?

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Top 10 airlines flying from California to London

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