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Cheap flights from California to London Heathrow Airport from £172

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 27/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
25 Nov — 2 Dec1
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 20 November 2024.

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 20 November 2024.

Thu 5/1212:04LAS - LHR
2 stops35h 06mMultiple Airlines
Sun 8/1206:00LHR - LAS
3 stops33h 56mMultiple Airlines
Deal found 19/11£426
Sun 29/1206:20LAS - LHR
1 stop19h 50mAir Canada
Tue 14/113:00LHR - LAS
1 stop15h 56mAir Canada
Deal found 19/11£436
Thu 5/1208:50LAS - LHR
1 stop15h 05mUnited Airlines
Thu 12/1215:00LHR - LAS
2 stops31h 44mUnited Airlines
Deal found 20/11£441
Tue 31/1217:25SFO - LHR
Nonstop10h 35mUnited Airlines
Fri 17/108:55LHR - SFO
1 stop15h 30mUnited Airlines
Deal found 20/11£484
Sun 8/1217:40LAX - LHR
1 stop16h 50mScandinavian Airlines
Fri 10/119:30LHR - LAX
1 stop30h 30mScandinavian Airlines
Deal found 20/11£485
Sun 29/1217:30SFO - LHR
1 stop14h 30mScandinavian Airlines
Fri 28/206:40LHR - SFO
1 stop17h 00mScandinavian Airlines
Deal found 19/11£485
Mon 2/1216:40SFO - LHR
Nonstop10h 15mDelta
Tue 10/1206:30LHR - SFO
1 stop13h 20mDelta
Deal found 20/11£486
Wed 4/1215:25LAX - LHR
Nonstop10h 20mVirgin Atlantic
Wed 11/1210:20LHR - LAX
Nonstop11h 15mVirgin Atlantic
Deal found 19/11£494
Tue 3/1212:50SJC - LHR
1 stop12h 50mUnited Airlines
Tue 10/1207:30LHR - SJC
2 stops18h 20mUnited Airlines
Deal found 19/11£494
Mon 2/1217:30SFO - LHR
Nonstop10h 30mIberia
Wed 25/1215:20LHR - SFO
Nonstop11h 25mIberia
Deal found 19/11£494
Tue 3/1221:25LAX - LHR
Nonstop10h 35mAmerican Airlines
Tue 10/1209:55LHR - LAX
1 stop15h 10mAmerican Airlines
Deal found 19/11£497
Tue 3/1215:54SJC - LHR
3 stops30h 36mMultiple Airlines
Tue 10/1215:00LHR - SJC
2 stops28h 54mMultiple Airlines
Deal found 19/11£497

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 953,013 searches. Data last updated 20 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Thu 5/12

12:04-07:10

2 stops35h 06m

London Heathrow

Sun 8/12

06:00-07:56

3 stops33h 56m

£426

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 22/1

21:35-20:45

1 stop15h 10m

London Heathrow

Wed 29/1

07:25-22:49

1 stop23h 24m

£429

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 29/12

06:20-10:10

1 stop19h 50m

London Heathrow

Tue 14/1

13:00-20:56

1 stop15h 56m

£436

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Thu 5/12

08:50-07:55

1 stop15h 05m

London Heathrow

Thu 12/12

15:00-14:44

2 stops31h 44m

£441

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 28/1

09:00-13:00

2 stops20h 00m

London Heathrow

Mon 3/2

18:40-20:53

2 stops34h 13m

£467

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 19/1

10:05-12:50

1 stop18h 45m

London Heathrow

Sat 25/1

14:50-17:40

1 stop34h 50m

£468

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 31/12

17:25-12:00

Nonstop10h 35m

London Heathrow

Fri 17/1

08:55-16:25

1 stop15h 30m

£484

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 31/3

19:30-21:35

2 stops18h 05m

London Heathrow

Mon 7/4

21:05-16:20

2 stops27h 15m

£485

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 16/1

17:30-21:40

1 stop20h 10m

London Heathrow

Sun 19/1

19:30-15:40

1 stop28h 10m

£485

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 2/12

16:40-10:55

Nonstop10h 15m

London Heathrow

Tue 10/12

06:30-11:50

1 stop13h 20m

£486

Flights are sorted by cheapest return flights first.

Deals found on 20/11

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 20 November 2024.

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 20 November 2024.

The most flights from USCA to LHR are scheduled on a Monday (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (47 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 20 November 2024.
To help decide which airline to fly from California to London, see what other customers have to say about United Airlines, WestJet and Scandinavian Airlines. 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
8,759 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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

Delta
8.0
Very Good
8,759 reviews
Delta
8.0
Very Good
8,759 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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

Alaska Airlines
8.0
Very Good
9,458 reviews
Delta
8.0
Very Good
8,759 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very Good
8,759 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very Good
8,759 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
805 reviews
Delta
8.0
Very Good
8,759 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

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 WestJet, with whom users have recently found tickets for as low as £172. However, be on the lookout for offers from Vueling and Scandinavian Airlines, 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 Ontario - 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 Canada (90%), Austrian Airlines (90%), Air New Zealand (90%).

  • 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 £2,209, our data indicates the cheapest price to be £301. The most popular route (Los Angeles - London Heathrow), is priced around £328.

  • 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

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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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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 953,013 searches. Data last updated 20 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£378Average£614FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Norse Atlantic UKCheapest£402Average£706FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
KLMCheapest£404Average£606FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£419Average£592FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
TAP AIR PORTUGALCheapest£431Average£443FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest£437Average£455FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£442Average£778FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£448Average£721FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£450Average£647FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£456Average£622FlexibilityNo 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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