HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$253+ Cheap flights from California to Heathrow (LHR)

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
Feb 27 — Mrz 61
Do 2/27
Do 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from California to Heathrow with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Februar 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$575
(Gotogate)

One-way from

$253
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$673

Good round-trip deal

$674 or less

Good one-way deal

$430 or less
Provider with most accurate pricing for Los Angeles-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-London (LON) flights.
Search Deals
From California to London Heathrow
Search Deals
One-way flight from California to London Heathrow
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($140 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT 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 Februar 22, 2025.

This Gotogate deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 3/96:40 pmLAX - LHR
1 stop14h 20mScandinavian Airlines
Di 3/257:30 pmLHR - LAX
1 stop28h 05mScandinavian Airlines
Deal found 2/20$575
This Mytrip deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 4/45:30 pmLAX - LHR
1 stop18h 10mLufthansa
So 4/67:30 pmLHR - LAX
1 stop25h 30mLufthansa
Deal found 2/21$576
This Cheapflightsfares deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 9/241:35 pmLAX - LHR
Nonstop10h 25mIberia
Mi 10/2211:40 amLHR - LAX
Nonstop11h 15mIberia
Deal found 2/21$578
This Booking.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 3/99:55 pmLAX - LHR
Nonstop10h 30mFinnair
Di 3/259:55 amLHR - LAX
1 stop15h 10mFinnair
Deal found 2/21$585
This Ovago deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 3/55:30 pmSFO - LHR
1 stop16h 10mScandinavian Airlines
So 3/96:40 pmLHR - SFO
1 stop29h 00mScandinavian Airlines
Deal found 2/22$587
This Cheapflightsfares deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 3/189:40 pmSFO - LHR
Nonstop10h 35mIberia
Di 3/2511:45 amLHR - SFO
Nonstop11h 15mIberia
Deal found 2/22$588
This Booking.com deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 3/58:15 pmLAX - LHR
1 stop15h 35mAer Lingus
Mi 3/127:50 amLHR - LAX
1 stop18h 40mAer Lingus
Deal found 2/22$589
This Cheapflightsfares deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 4/156:10 amSJC - LHR
1 stop20h 40mIberia
Do 5/110:30 amLHR - SJC
1 stop18h 58mIberia
Deal found 2/21$592
This Bookaflight.co.il deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bookaflight.co.il is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 9/309:20 pmSFO - LHR
Nonstop10h 20mMultiple Airlines
Di 10/1411:15 amLHR - SFO
Nonstop11h 05mMultiple Airlines
Deal found 2/21$593
This CrystalTravel deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 3/138:25 pmSFO - LHR
1 stop14h 25mSWISS
Fr 3/218:55 amLHR - SFO
1 stop15h 30mSWISS
Deal found 2/21$601
This Gotogate deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 3/912:10 pmLAX - LHR
1 stop15h 00mMultiple Airlines
Di 3/258:55 amLHR - LAX
1 stop15h 35mMultiple Airlines
Deal found 2/21$602
This Booking.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 3/95:40 pmSFO - LHR
Nonstop10h 15mVirgin Atlantic
Di 3/256:30 amLHR - SFO
1 stop13h 20mVirgin Atlantic
Deal found 2/21$602

Find flights from California to Heathrow within your budget

Customize your flight search to find flights from California to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated Februar 22, 2025.

Fly from

California

Fly to

Heathrow

Route

Depart

Return

Price

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

So 3/9

6:40 pm-4:00 pm

1 stop14h 20m

London Heathrow

Di 3/25

7:30 pm-4:35 pm

1 stop28h 05m

$575

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fr 4/4

5:30 pm-7:40 pm

1 stop18h 10m

London Heathrow

So 4/6

7:30 pm-1:00 pm

1 stop25h 30m

$576

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Di 4/22

8:05 pm-2:35 pm

Nonstop10h 30m

London Heathrow

Di 4/29

2:20 pm-5:35 pm

Nonstop11h 15m

$578

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

So 3/9

9:55 pm-3:25 pm

Nonstop10h 30m

London Heathrow

Di 3/25

9:55 am-6:05 pm

1 stop15h 10m

$585

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mi 3/5

5:30 pm-5:40 pm

1 stop16h 10m

London Heathrow

So 3/9

6:40 pm-4:40 pm

1 stop29h 00m

$587

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Di 3/18

8:01 am-6:20 am

1 stop15h 19m

London Heathrow

Di 3/25

11:45 am-4:00 pm

Nonstop11h 15m

$588

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mi 3/5

8:15 pm-7:50 pm

1 stop15h 35m

London Heathrow

Mi 3/12

7:50 am-7:30 pm

1 stop18h 40m

$589

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Do 3/13

8:25 pm-5:50 pm

1 stop14h 25m

London Heathrow

Fr 3/21

8:55 am-5:25 pm

1 stop15h 30m

$601

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

So 3/9

12:10 pm-10:10 am

1 stop15h 00m

London Heathrow

Di 3/25

8:55 am-5:30 pm

1 stop15h 35m

$602

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

So 3/9

5:40 pm-10:55 am

Nonstop10h 15m

London Heathrow

Di 3/25

6:30 am-12:50 pm

1 stop13h 20m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 60 results
1
2
3
...
6

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 round-trip 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, November is the cheapest month in which you can book a flight from California to London Heathrow Airport (average of $661). Flying from California to London Heathrow Airport in June is currently the most expensive (average of $1,136). 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?

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 Februar 22, 2025.

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

Explore weekly flight availability from California to Heathrow. 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 Februar 22, 2025.

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 (43 on average).

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated Februar 22, 2025.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and KLM from California to London to help guide your decision. 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
8,203 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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
8,203 reviews
Delta
8.0
Very good
8,203 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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
9,702 reviews
Delta
8.0
Very good
8,203 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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
1,332 reviews
Delta
8.0
Very good
8,203 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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
1,271 reviews
Delta
8.0
Very good
8,203 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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
7.5
Good
771 reviews
Delta
8.0
Very good
8,203 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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

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?

    $253 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on WestJet and Iberia, with prices starting from $258 and $308, respectively.

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

    When deciding which route to take from California to London Heathrow Airport consider Los Angeles - London Heathrow, San Francisco - London Heathrow or San Diego - London Heathrow as they are the most popular.

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

    The top 3 most reliable airlines when flying from California to London Heathrow Airport are Singapore Airlines (92%), Air Canada (90%) and Austrian Airlines (90%).

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

    Looking at all options, your cheapest flight can be booked for $372. While the most popular route (Los Angeles - London Heathrow) can be booked for $519 on average our data indicates $1,508 when flying from California to London Heathrow Airport.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from California to London Heathrow Airport (average of $661). Flying from California to London Heathrow Airport in June is currently the most expensive (average of $1,136). 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

Traveling to a place near California?

Book flights to California if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Luton
Wembley
Horley
Canterbury
Northampton
Gatwick
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for California to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Los Angeles to Heathrow flights
Newark to Gatwick flights
Boston to Heathrow flights
Dulles Intl to Heathrow flights
San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
Baltimore to Heathrow flights
Seattle to Heathrow flights
Newark to London City flights
Stewart to Stansted flights
Dallas/Fort Worth to Heathrow flights
Atlanta to Heathrow flights
Boston to Gatwick flights
Denver to Heathrow flights
Reagan-National to Heathrow flights
Hobby to Heathrow flights
John F Kennedy Intl to Luton flights
Miami to Heathrow flights
Boston to London City flights
Dulles Intl to Gatwick flights
Los Angeles to London City flights
Orlando to Heathrow flights
Dulles Intl to London City flights
John F Kennedy Intl to Stansted flights
LaGuardia to Gatwick flights
San Francisco to London City flights
Boston to Stansted flights
Minneapolis to Heathrow flights
San Francisco to Gatwick flights
Baltimore to Gatwick flights
George Bush Intcntl to Heathrow flights
Austin to Heathrow flights
Philadelphia to Heathrow flights
O'Hare Intl to Gatwick flights
Los Angeles to Gatwick flights
O'Hare Intl to London City flights
Stewart to Luton flights
Sky Harbor Intl to Heathrow flights
Tampa to Heathrow flights
Charlotte to Heathrow flights
Seattle to Gatwick flights
Newark to Luton flights
Reagan-National to Gatwick flights
Detroit to Heathrow flights
Baltimore to Stansted flights

Top 10 airlines flying from California to Heathrow

Discover the top 10 airlines that operate flights from California to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated Februar 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$871FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$419Average$592FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$454Average$872FlexibilityNo cancel feeOn-time72%
KLMCheapest$463Average$820FlexibilityNo cancel feeOn-time75%
FinnairCheapest$465Average$716FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$467Average$748FlexibilityNo cancel feeOn-time77%
Norse Atlantic UKCheapest$473Average$720FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$473Average$860FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$492Average$643FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$495Average$1,103FlexibilityNo cancel feeOn-time76%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
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.