HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$358+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Fremont 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.

Cheapflights Tip: The best prices from Fremont to London Heathrow are usually found in October or February, booked 54 days in advance, depart on a Wednesday or Monday and return on a Thursday

Cheap flight deals from Fremont to Heathrow

Keep the following information in mind while searching for Fremont to Heathrow flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$586
(Delta)

One-way from

$358
(oojo)

Popular in

June

Cheapest in

October

Average price

$665
Provider with most accurate pricing for San Francisco-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-London (LON) flights.
Search Deals
From Fremont to London Heathrow
Search Deals
One-way flight from Fremont to London Heathrow
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/30. 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 11/1012:30 amSFO - LHR
1 stop22h 35mDelta
Fri 12/56:30 amLHR - SFO
1 stop13h 20mDelta
Deal found 10/30$586
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Wed 11/1911:20 amSFO - LHR
2 stops14h 50mMultiple Airlines
Tue 11/2511:10 amLHR - SFO
1 stop16h 25mMultiple Airlines
Deal found 10/29$587
This FlightHub deal was found by Cheapflights users on 10/30. 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.
Sat 11/154:40 pmSFO - LHR
2 stops19h 15mScandinavian Airlines
Fri 11/213:35 pmLHR - SFO
2 stops31h 00mScandinavian Airlines
Deal found 10/30$588
This KLM deal was found by Cheapflights users on 10/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:20 pmSFO - LHR
1 stop12h 40mMultiple Airlines
Wed 12/311:40 amLHR - SFO
Nonstop11h 00mMultiple Airlines
Deal found 10/28$589
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Thu 11/134:40 pmSFO - LHR
2 stops15h 45mScandinavian Airlines
Fri 12/57:50 pmLHR - SFO
2 stops26h 45mScandinavian Airlines
Deal found 10/30$590
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Thu 12/1111:20 amSFO - LHR
1 stop16h 30mMultiple Airlines
Thu 12/2511:10 amLHR - SFO
1 stop16h 25mMultiple Airlines
Deal found 10/30$591
This Scandinavian Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/154:40 pmSFO - LHR
2 stops19h 15mScandinavian Airlines
Sat 11/223:35 pmLHR - SFO
2 stops31h 00mScandinavian Airlines
Deal found 10/29$592
This KAYAK deal was found by Cheapflights users on 10/30. 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 11/244:40 pmSFO - LHR
1 stop15h 20mScandinavian Airlines
Wed 12/36:40 pmLHR - SFO
1 stop27h 55mScandinavian Airlines
Deal found 10/30$593
This KLM deal was found by Cheapflights users on 10/30. 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.
Tue 11/254:30 pmSFO - LHR
Nonstop10h 10mMultiple Airlines
Tue 12/211:05 amLHR - SFO
1 stop17h 23mMultiple Airlines
Deal found 10/30$594
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:25 pmSFO - LHR
1 stop14h 25mSWISS
Fri 2/206:00 amLHR - SFO
1 stop18h 30mSWISS
Deal found 10/28$595
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/117:25 pmSFO - LHR
1 stop14h 25mSWISS
Wed 12/39:00 amLHR - SFO
1 stop15h 30mSWISS
Deal found 10/30$596
This KAYAK deal was found by Cheapflights users on 10/29. 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.
Fri 11/144:40 pmSFO - LHR
1 stop15h 20mScandinavian Airlines
Wed 12/33:35 pmLHR - SFO
2 stops31h 00mScandinavian Airlines
Deal found 10/29$597

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 October 30, 2025.
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

Tue 12/2

5:30 pm-12:00 pm

Nonstop10h 30m

London Heathrow

Tue 12/9

12:30 pm-8:29 pm

1 stop15h 59m

$594

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 11/27

12:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Thu 12/4

6:35 am-7:35 pm

1 stop21h 00m

$604

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 12/7

12:43 am-10:15 am

1 stop25h 32m

London Heathrow

Wed 12/17

8:45 am-7:35 pm

1 stop18h 50m

$619

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 11/28

4:30 pm-10:40 am

Nonstop10h 10m

London Heathrow

Tue 12/9

6:30 am-11:50 am

1 stop13h 20m

$628

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 3/2

5:25 pm-12:00 pm

Nonstop10h 35m

London Heathrow

Fri 4/3

7:25 am-7:00 pm

1 stop19h 35m

$629

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 3/17

12:43 am-7:30 am

1 stop23h 47m

London Heathrow

Wed 4/1

7:25 am-2:35 pm

1 stop15h 10m

$633

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 11/10

4:30 pm-10:40 am

Nonstop10h 10m

London Heathrow

Mon 11/17

11:40 am-2:40 pm

Nonstop11h 00m

$634

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 11/14

12:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Wed 11/19

6:35 am-2:50 pm

1 stop16h 15m

$634

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 12/29

12:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Fri 1/9

1:45 pm-5:00 pm

Nonstop11h 15m

$635

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 12/10

12:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Thu 12/18

1:45 pm-5:00 pm

Nonstop11h 15m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 22 results
1
2
3

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 October 24, 2025.

Booking 54 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 $508). 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 October 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 17% on flights from Fremont to London Heathrow Airport by exploring options for tickets in the evening.

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 December 16, 2024.

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

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 October 30, 2025.
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.
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

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
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

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.
Virgin Atlantic
7.5
Good
671 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

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.
United Airlines
7.4
Good
8,996 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

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.
Iberia
7.0
Good
3,004 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

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.
British Airways
6.7
Okay
7,488 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

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 Delta, British Airways, and United Airlines fly from Fremont to London Heathrow Airport in about 10h 30m. The time it takes to get you to your destination can typically vary by up to 4h 15m. There are 5350 mi between Fremont and London Heathrow Airport. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at $373. United Airlines flights start at $381 while deals on Lufthansa start at $382 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 KLM (92%), Air France (92%) or Delta (92%) 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 $342. While the most popular route (San Francisco - London Heathrow) can be booked for $411 on average, our data indicates $2,575 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 $508). 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
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

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 Fremont to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Los Angeles to Gatwick flights
Los Angeles to London City flights
San Francisco to Gatwick flights
San Francisco to London City flights
Los Angeles to Stansted flights
Los Angeles to Luton flights
Ontario to Heathrow flights
San Francisco to Stansted flights
San Diego to Heathrow flights
Santa Ana to Heathrow flights
San Francisco to Luton flights
Las Vegas to Heathrow flights
San Jose to Heathrow flights
San Diego to Gatwick flights
San Diego to London City flights
Las Vegas to Gatwick flights
Sacramento to Heathrow flights
Oakland to Heathrow flights
Las Vegas to London City flights
Ontario to Gatwick flights
San Jose to Gatwick flights
Sacramento to Gatwick flights
Burbank to Heathrow flights
Palm Springs to Heathrow flights
Las Vegas to Stansted flights
Sacramento to London City flights
San Diego to Stansted flights
Oakland to Gatwick flights
Long Beach to Heathrow flights
Las Vegas to Luton flights
Santa Rosa to Heathrow flights
Santa Ana to Gatwick flights
Fresno to Heathrow flights
Santa Ana to London City flights
Reno to Heathrow flights
San Francisco to Southend flights
San Jose to London City flights
Santa Barbara to Heathrow flights
Los Angeles to Southend flights
Palm Springs to London City flights
Palm Springs to Gatwick flights
San Luis Obispo to Heathrow flights
Reno to Gatwick flights
Medford to Heathrow flights
Reno to London City flights
Medford to Gatwick flights
Ontario to London City flights
San Jose to Stansted flights

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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$151Average$841FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$331Average$597FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$426Average$560FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$494Average$655FlexibilityNo cancel feeOn-time75%
SWISSCheapest$513Average$712FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$543Average$779FlexibilityNo cancel feeOn-time70%
DeltaCheapest$555Average$786FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$560Average$1,078FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$571Average$827FlexibilityNo cancel feeOn-time69%
IberiaCheapest$572Average$678FlexibilityNo cancel feeOn-time77%

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.