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Cheap flights from California to London Heathrow Airport from £151

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
12 Jan — 19 Jan1
1 adult

Cheap flight deals from California to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from California (USCA) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 January 2025.

Round-trip from

£392

One-way from

£151
JetBlue
  • JetBlue
  • 5/2-12/2
  • 2 total stops
  • 40h 34m total
  • California to London
JetBlue
  • JetBlue
  • 9/2
  • 1 total stop
  • 14h 35m total
  • California to London

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 7 January 2025.

Wed 5/207:00LAS - LHR
1 stop18h 30mJetBlue
Wed 12/208:25LHR - LAS
1 stop22h 04mJetBlue
Deal found 6/1£392
Fri 24/119:10LAS - LHR
1 stop33h 40mMultiple Airlines
Mon 27/115:15LHR - LAS
2 stops51h 10mMultiple Airlines
Deal found 5/1£415
Wed 5/208:40LAS - LHR
1 stop20h 10mWestJet
Sun 9/214:50LHR - LAS
1 stop29h 45mWestJet
Deal found 6/1£440
Thu 13/306:10SJC - LHR
1 stop17h 10mIberia
Thu 27/308:20LHR - SJC
1 stop20h 05mIberia
Deal found 7/1£468
Tue 11/214:25SJC - LHR
1 stop12h 45mVirgin Atlantic
Tue 18/210:20LHR - SJC
1 stop16h 56mVirgin Atlantic
Deal found 7/1£481
Wed 23/413:10LAX - LHR
Nonstop10h 40mIberia
Fri 2/514:45LHR - LAX
Nonstop11h 20mIberia
Deal found 7/1£483
Mon 29/919:30LAX - LHR
2 stops29h 25mScandinavian Airlines
Mon 6/1010:20LHR - LAX
1 stop14h 00mScandinavian Airlines
Deal found 6/1£484
Mon 20/107:00LAX - LHR
1 stop21h 50mWestJet
Mon 10/214:50LHR - LAX
1 stop14h 54mWestJet
Deal found 7/1£488
Wed 12/206:20SJC - LHR
1 stop16h 45mKLM
Fri 21/206:30LHR - SJC
2 stops19h 05mKLM
Deal found 7/1£489
Tue 11/206:00OAK - LHR
1 stop20h 00mKLM
Tue 18/217:50LHR - OAK
2 stops30h 28mKLM
Deal found 7/1£489
Sun 19/109:00LAX - LHR
1 stop14h 05mVirgin Atlantic
Tue 4/206:20LHR - LAX
1 stop14h 45mVirgin Atlantic
Deal found 7/1£491
Sat 15/212:05SAN - LHR
2 stops40h 45mMultiple Airlines
Fri 28/214:50LHR - SAN
1 stop28h 56mMultiple Airlines
Deal found 7/1£492

Find flights from California to Heathrow within your budget

Customise 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 858,174 searches. Data last updated 7 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 5/2

07:00-09:30

1 stop18h 30m

London Heathrow

Wed 12/2

08:25-22:29

1 stop22h 04m

£392

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 24/1

19:10-12:50

1 stop33h 40m

London Heathrow

Mon 27/1

15:15-10:25

2 stops51h 10m

£415

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 5/2

08:40-12:50

1 stop20h 10m

London Heathrow

Sun 9/2

14:50-12:35

1 stop29h 45m

£440

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Thu 13/3

06:10-06:20

1 stop17h 10m

London Heathrow

Thu 27/3

08:20-21:25

1 stop20h 05m

£468

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 11/2

14:25-11:10

1 stop12h 45m

London Heathrow

Tue 18/2

10:20-19:16

1 stop16h 56m

£481

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 23/4

20:05-14:35

Nonstop10h 30m

London Heathrow

Wed 30/4

10:10-13:25

Nonstop11h 15m

£483

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 23/3

18:40-16:00

1 stop14h 20m

London Heathrow

Wed 23/4

21:05-16:20

2 stops27h 15m

£484

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 20/1

07:00-12:50

1 stop21h 50m

London Heathrow

Mon 10/2

14:50-21:44

1 stop14h 54m

£488

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 12/2

06:20-07:05

1 stop16h 45m

London Heathrow

Fri 21/2

06:30-17:35

2 stops19h 05m

£489

OaklandLondon

OAK - LHR

OAKLHR

Oakland

Tue 11/2

06:00-10:00

1 stop20h 00m

London Heathrow

Tue 18/2

17:50-16:18

2 stops30h 28m

£489

Flights are sorted by cheapest return flights first.

Deals found on 6/1

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

Travel insights for flights from California to Heathrow

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

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

Currently, January is the cheapest month in which you can book a flight from California to London Heathrow Airport (average of £112). Flying from California to London Heathrow Airport in July is currently the most expensive (average of £160). 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 7 January 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 7 January 2025.

The most flights from USCA to LHR are scheduled on a Monday (54 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (30 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 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

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 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

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 7 January 2025.
To help decide which airline to fly from California to London, see what other customers have to say about Iberia, British Airways 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.
8.0
Very Good
8,503 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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

8.0
Very Good
8,503 reviews
8.0
Very Good
8,503 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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

8.0
Very Good
9,619 reviews
8.0
Very Good
8,503 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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

7.8
Good
1,337 reviews
8.0
Very Good
8,503 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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

7.7
Good
1,281 reviews
8.0
Very Good
8,503 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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

7.6
Good
784 reviews
8.0
Very Good
8,503 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as £151. However, be on the lookout for offers from WestJet and Vueling, 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?

  • 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 Canada (91%), Austrian Airlines (91%), United Airlines (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 £2,227, our data indicates the cheapest price to be £313. The most popular route (Los Angeles - London Heathrow), is priced around £385.

  • 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 July is currently the most expensive (average of £160). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 858,174 searches. Data last updated 7 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£327Average£506FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
FinnairCheapest£392Average£765FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Norse Atlantic UKCheapest£408Average£716FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
KLMCheapest£409Average£571FlexibilityNo cancel feeOn-time75%
Search KLM flights
TAP AIR PORTUGALCheapest£437Average£450FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest£444Average£479FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£454Average£621FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£454Average£740FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£460Average£661FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£463Average£637FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

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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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