Heathrow

$368+ Cheap flights from Fremont, CA 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
Feb 27 — Mar 61
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Cheapflights Tip: The best prices from Fremont to London Heathrow are usually found in February or October, booked 63 days in advance, depart on a Wednesday or Monday and return on a Thursday

Cheap flight deals from Fremont to Heathrow

Cheapest flights from Fremont to Heathrow
Explore the most affordable flight options available from Fremont to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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.
Wed 2/119:25 pm
SFO
-
LHR
1 stop14h 10m
Multiple Airlines
Wed 2/189:00 am
LHR
-
SFO
1 stop15h 30m
Multiple Airlines
Deal found 1/28$594
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/107:25 pm
SFO
-
LHR
1 stop14h 25m
SWISS
Thu 2/199:00 am
LHR
-
SFO
1 stop15h 30m
SWISS
Deal found 1/27$595
This Scandinavian Airlines deal was found by Cheapflights users on 1/26. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/154:40 pm
SFO
-
LHR
2 stops18h 10m
Scandinavian Airlines
Sun 3/17:30 pm
LHR
-
SFO
1 stop27h 05m
Scandinavian Airlines
Deal found 1/26$596
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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.
Mon 2/94:40 pm
SFO
-
LHR
1 stop17h 00m
Scandinavian Airlines
Fri 2/136:40 am
LHR
-
SFO
1 stop15h 55m
Scandinavian Airlines
Deal found 1/28$597
This KAYAK deal was found by Cheapflights users on 1/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/154:40 pm
SFO
-
LHR
1 stop17h 00m
Scandinavian Airlines
Wed 2/187:30 pm
LHR
-
SFO
1 stop27h 05m
Scandinavian Airlines
Deal found 1/27$598
This KAYAK deal was found by Cheapflights users on 1/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/164:40 pm
SFO
-
LHR
1 stop15h 20m
Scandinavian Airlines
Tue 3/177:50 pm
LHR
-
SFO
2 stops50h 45m
Scandinavian Airlines
Deal found 1/26$599
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/12:40 pm
SFO
-
LHR
1 stop14h 10m
Lufthansa
Tue 2/176:30 am
LHR
-
SFO
1 stop14h 10m
Lufthansa
Deal found 1/27$600
This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/94:40 pm
SFO
-
LHR
2 stops18h 10m
Scandinavian Airlines
Mon 2/166:40 am
LHR
-
SFO
1 stop15h 55m
Scandinavian Airlines
Deal found 1/26$601
This KAYAK deal was found by Cheapflights users on 1/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:40 pm
SFO
-
LHR
1 stop15h 20m
Scandinavian Airlines
Sun 4/267:30 pm
LHR
-
SFO
1 stop27h 10m
Scandinavian Airlines
Deal found 1/25$602
This Booking.com deal was found by Cheapflights users on 1/26. 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.
Sun 2/14:30 pm
SFO
-
LHR
Nonstop10h 10m
Virgin Atlantic
Tue 2/175:50 pm
LHR
-
SFO
1 stop26h 00m
Virgin Atlantic
Deal found 1/26$603
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/251:15 pm
SFO
-
LHR
2 stops20h 25m
Scandinavian Airlines
Wed 3/47:30 pm
LHR
-
SFO
1 stop27h 05m
Scandinavian Airlines
Deal found 1/28$604
This Gotogate deal was found by Cheapflights users on 1/27. 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.
Sun 2/17:30 am
SFO
-
LHR
1 stop20h 20m
Multiple Airlines
Tue 2/178:45 am
LHR
-
SFO
1 stop18h 50m
Multiple Airlines
Deal found 1/27$605

Find flight deals from Fremont to Heathrow

Keep the following information in mind while searching for Fremont to Heathrow flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$594
(Cheapflightsfares)

One-way from

$368
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$689
Provider with most accurate pricing for San Francisco-London (LON) flight deals.
Provider most trusted by Cheapflights users for San Francisco-London (LON) flights.
From Fremont to London Heathrow
One-way flight from Fremont to London Heathrow
Highest demand for flights based on searches. 18% potential increase in price ($174 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont 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 January 28, 2026.
Use the filters below to find and compare flights from Fremont to London Heathrow Airport that are best for you.

Fly from

Fremont

Fly to

Heathrow

Route

Depart

Return

Price

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 2/25

5:25 pm-12:00 pm

Nonstop10h 35m

London Heathrow

Wed 3/18

9:00 am-5:30 pm

1 stop15h 30m

$616

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 3/6

4:30 pm-10:50 am

Nonstop10h 20m

London Heathrow

Sat 3/14

6:30 am-12:50 pm

1 stop13h 20m

$617

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 3/11

1:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Wed 3/18

6:35 am-3:50 pm

1 stop16h 15m

$618

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 3/1

5:25 pm-12:00 pm

Nonstop10h 35m

London Heathrow

Thu 3/19

11:10 am-8:35 pm

1 stop16h 25m

$618

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 3/11

1:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Mon 3/23

4:40 pm-8:35 pm

1 stop34h 55m

$629

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sat 3/21

6:25 pm-12:00 pm

Nonstop10h 35m

London Heathrow

Wed 4/8

7:25 am-2:35 pm

1 stop15h 10m

$632

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 3/23

1:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Wed 4/29

10:50 am-7:00 pm

1 stop16h 10m

$632

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 3/22

6:25 pm-12:00 pm

Nonstop10h 35m

London Heathrow

Tue 4/7

10:50 am-7:00 pm

1 stop16h 10m

$632

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 2/9

5:25 pm-12:00 pm

Nonstop10h 35m

London Heathrow

Wed 5/6

7:25 am-2:35 pm

1 stop15h 10m

$632

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 3/19

1:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Thu 4/2

6:55 am-2:35 pm

1 stop15h 40m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 24 results
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Best time to book a flight from Fremont to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Fremont 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 Fremont to London Heathrow Airport

How far ahead should I book a flight from Fremont to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Fremont to Heathrow. Price data was last updated on January 23, 2026.

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from Fremont to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Fremont to London Heathrow Airport (average of $497). Flying from Fremont to London Heathrow Airport in June is currently the most expensive (average of $803). 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 FR8 to LHR?

Find hourly flight availability from Fremont 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 January 28, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 12% on flights from Fremont to London Heathrow Airport by exploring options for tickets in the morning.

What is the cheapest day to fly from Fremont to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Fremont to Heathrow. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their Fremont to London Heathrow Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Fremont to London Heathrow Airport

Explore weekly flight availability from Fremont 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 January 28, 2026.

The most flights from FR8 to LHR are scheduled on a Monday (31 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (25 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 January 28, 2026.
Read reviews from past customers who have flown Delta, Virgin Atlantic, and United Airlines from Fremont to London Heathrow Airport. 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.

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

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.

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

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.

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

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.

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

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.

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

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.

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

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 Fremont to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Fremont to London Heathrow Airport?

    Airlines like United Airlines and Delta fly from Fremont to London Heathrow Airport in about 10h 20m. The time it takes to get you to your destination is usually consistent. There are 5350 mi between Fremont and London Heathrow Airport. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from Fremont to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $185. Aer Lingus flights start at $192 while deals on TAP AIR PORTUGAL start at $215 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Fremont to London Heathrow Airport consider choosing American Airlines (82%), Aer Lingus (82%) or Alaska Airlines (82%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $250. While the most popular route (San Francisco - London Heathrow) can be booked for $451 on average, our data indicates $2,610 when flying from Fremont to London Heathrow Airport.

  • Can I find deals for flights from Fremont to Heathrow that include hotel bookings?

    Yes. In addition to deals on Fremont to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Fremont to Heathrow?

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

  • Can I find deals for business class flights from Fremont to Heathrow?

    Yes. Cheapflights offers flight deals from Fremont 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 Fremont to London Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Fremont to London Heathrow Airport (average of $497). Flying from Fremont to London Heathrow Airport in June is currently the most expensive (average of $803). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Fremont to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Fremont to Heathrow

Discover the top 10 airlines that operate flights from Fremont 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$151Average$854FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$334Average$634FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$339Average$536FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$494Average$655FlexibilityNo cancel feeOn-time75%
SWISSCheapest$513Average$703FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$518Average$800FlexibilityNo cancel feeOn-time70%
DeltaCheapest$521Average$766FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$561Average$685FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$566Average$830FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$568Average$824FlexibilityNo cancel feeOn-time69%

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