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$229+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$479
(World Air Fares)

One-way from

$229
(FlightHub)

Popular in

December

Cheapest in

October

Average price

$814

Good round-trip deal

$624 or less

Good one-way deal

$424 or less
From California to London Heathrow
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One-way flight from California to London Heathrow
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Highest demand for flights based on searches. 9% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from California to London Heathrow.
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Price to beat on a one-way flight from California to London Heathrow.
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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 July 3, 2025.

This World Air Fares deal was found by Cheapflights users on 7/1. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/36:20 amSJC - LHR
1 stop16h 00mLufthansa
Tue 8/198:25 pmLHR - SJC
2 stops32h 53mLufthansa
Deal found 7/1$479
This lastminute.com deal was found by Cheapflights users on 7/3. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:10 amPSP - LHR
2 stops16h 35mVirgin Atlantic
Wed 8/2011:45 amLHR - PSP
2 stops17h 31mVirgin Atlantic
Deal found 7/3$486
This Netflights deal was found by Cheapflights users on 7/2. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:00 amOAK - LHR
1 stop19h 50mVirgin Atlantic
Wed 8/2012:45 pmLHR - OAK
2 stops19h 05mVirgin Atlantic
Deal found 7/2$504
This lastminute.com deal was found by Cheapflights users on 7/1. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/38:19 pmSJC - LHR
1 stop12h 56mVirgin Atlantic
Tue 8/1912:25 pmLHR - SJC
1 stop16h 12mVirgin Atlantic
Deal found 7/1$510
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/28:45 amSJC - LHR
1 stop19h 35mUnited Airlines
Tue 9/232:05 pmLHR - SJC
2 stops40h 35mUnited Airlines
Deal found 7/2$511
This Booking.com deal was found by Cheapflights users on 7/1. 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.
Mon 8/187:00 amSJC - LHR
2 stops39h 30mAir Canada
Wed 8/272:05 pmLHR - SJC
2 stops39h 13mAir Canada
Deal found 7/1$512
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:10 amPSP - LHR
3 stops21h 00mDelta
Wed 8/206:15 amLHR - PSP
2 stops23h 01mDelta
Deal found 7/3$517
This KLM deal was found by Cheapflights users on 7/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:00 amOAK - LHR
1 stop19h 50mKLM
Wed 8/206:30 amLHR - OAK
2 stops17h 46mKLM
Deal found 7/1$520
This KLM deal was found by Cheapflights users on 7/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/189:44 amSJC - LHR
1 stop16h 06mKLM
Wed 8/2711:45 amLHR - SJC
1 stop16h 57mKLM
Deal found 7/1$525
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/232:25 pmSJC - LHR
1 stop12h 55mDelta
Fri 10/246:15 amLHR - SJC
2 stops18h 02mDelta
Deal found 7/3$526
This Air France deal was found by Cheapflights users on 7/1. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:15 pmONT - LHR
1 stop12h 35mMultiple Airlines
Thu 10/1610:55 amLHR - ONT
1 stop13h 19mMultiple Airlines
Deal found 7/1$526
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/127:25 amSNA - LHR
1 stop19h 55mDelta
Tue 8/196:15 amLHR - SNA
2 stops19h 50mDelta
Deal found 7/2$526

Cheapflights Fare Finder

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 July 3, 2025.
Use the filters below to find and compare flights from California to London Heathrow Airport that are best for you.

Fly from

California

Fly to

Heathrow

Route

Depart

Return

Price

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sun 8/3

6:20 am-6:20 am

1 stop16h 00m

London Heathrow

Tue 8/19

8:25 pm-9:18 pm

2 stops32h 53m

$479

Palm SpringsLondon

PSP - LHR

PSPLHR

Palm Springs

Mon 8/4

6:10 am-6:45 am

2 stops16h 35m

London Heathrow

Wed 8/20

11:45 am-9:16 pm

2 stops17h 31m

$486

OaklandLondon

OAK - LHR

OAKLHR

Oakland

Mon 8/4

6:00 am-9:50 am

1 stop19h 50m

London Heathrow

Wed 8/20

12:45 pm-11:50 pm

2 stops19h 05m

$504

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sun 8/3

8:19 pm-5:15 pm

1 stop12h 56m

London Heathrow

Tue 8/19

12:25 pm-8:37 pm

1 stop16h 12m

$510

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 9/2

8:45 am-12:20 pm

1 stop19h 35m

London Heathrow

Tue 9/23

2:05 pm-10:40 pm

2 stops40h 35m

$511

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 8/18

7:00 am-6:30 am

2 stops39h 30m

London Heathrow

Wed 8/27

2:05 pm-9:18 pm

2 stops39h 13m

$512

Palm SpringsLondon

PSP - LHR

PSPLHR

Palm Springs

Mon 8/4

6:10 am-11:10 am

3 stops21h 00m

London Heathrow

Wed 8/20

6:15 am-9:16 pm

2 stops23h 01m

$517

OaklandLondon

OAK - LHR

OAKLHR

Oakland

Mon 8/4

6:00 am-1:10 pm

2 stops23h 10m

London Heathrow

Wed 8/20

11:45 am-11:50 pm

2 stops20h 05m

$520

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 8/18

9:44 am-9:50 am

1 stop16h 06m

London Heathrow

Wed 8/27

11:45 am-8:42 pm

1 stop16h 57m

$525

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Wed 9/24

1:15 pm-9:50 am

1 stop12h 35m

London Heathrow

Thu 10/16

10:55 am-4:14 pm

1 stop13h 19m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 60 results
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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.

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, 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 $1,098). 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 July 3, 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 July 3, 2025.

The most flights from USCA to LHR are scheduled on a Wednesday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).

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 July 3, 2025.
Read reviews from past customers who have flown Delta, Air New Zealand, and Alaska Airlines from California to London Heathrow Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air New Zealand
8.0
Very good
486 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Alaska Airlines
8.0
Very good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
809 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    $229 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 SWISS and WestJet, with prices starting from $238 and $298, 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 Ontario - 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 Air Canada (86%), Austrian Airlines (86%) and United Airlines (86%).

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

    Looking at all options, your cheapest flight can be booked for $397. While the most popular route (Los Angeles - London Heathrow) can be booked for $376 on average our data indicates $3,404 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 $1,098). 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
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Aylesbury
Chelmsford
Brentwood
Chichester
Swindon

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Alternative routes for California to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
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Dulles Intl to London City flights
Hobby to Heathrow flights
Denver to Heathrow flights
Orlando to Heathrow flights
Philadelphia to Heathrow flights
Baltimore to Gatwick flights
Boston to London City flights
Los Angeles to London City flights
Reagan-National to Gatwick flights
O'Hare Intl to Gatwick flights
O'Hare Intl to London City flights
Los Angeles to Gatwick flights
Newark to Stansted flights
San Francisco to Gatwick flights
Seattle to Gatwick flights
George Bush Intcntl to Heathrow flights
San Francisco to London City flights
Dallas/Fort Worth to Gatwick flights
Minneapolis to Heathrow flights
Newark to Luton flights
Seattle to London City flights
Orlando to Gatwick flights
Midway to Heathrow flights
Sky Harbor Intl to Heathrow flights
Charlotte to Heathrow flights
Detroit to Heathrow flights
Hobby to Gatwick 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$933FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$334Average$648FlexibilityNo cancel feeOn-time77%
SWISSCheapest$336Average$705FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$441Average$973FlexibilityNo cancel feeOn-time76%
Norse Atlantic UKCheapest$480Average$725FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$487Average$629FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$553Average$884FlexibilityNo cancel feeOn-time75%
FinnairCheapest$555Average$698FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$556Average$783FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$572Average$810FlexibilityNo cancel feeOn-time77%

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