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$322+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to London Heathrow are usually found in October or September, booked 78 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 julio 29, 2025.

Round-trip from

$524
(Air Canada)

One-way from

$322
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$914
From Fremont to London Heathrow
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One-way flight from Fremont to London Heathrow
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Highest demand for flights based on searches. 17% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julio 29, 2025.

This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/197:30 amSFO - LHR
2 stops18h 30mAir Canada
vie. 8/299:30 amLHR - SFO
1 stop20h 10mAir Canada
Deal found 7/28$524
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/67:30 pmSFO - LHR
1 stop14h 20mSWISS
mar. 8/196:40 pmLHR - SFO
1 stop29h 30mSWISS
Deal found 7/28$525
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/132:19 pmSFO - LHR
1 stop14h 26mIberia
vie. 8/222:25 pmLHR - SFO
1 stop15h 08mIberia
Deal found 7/27$527
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/47:50 pmSFO - LHR
Nonstop10h 20mUnited Airlines
mié. 8/137:25 amLHR - SFO
1 stop14h 55mUnited Airlines
Deal found 7/28$528
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
dom. 8/311:10 amSFO - LHR
1 stop15h 05mKLM
mar. 8/196:30 amLHR - SFO
2 stops17h 30mKLM
Deal found 7/27$530
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
mar. 9/167:30 amSFO - LHR
1 stop15h 05mMultiple Airlines
mié. 10/18:40 amLHR - SFO
1 stop15h 30mMultiple Airlines
Deal found 7/27$531
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/133:45 pmSFO - LHR
1 stop14h 50mDelta
mar. 8/195:25 pmLHR - SFO
1 stop14h 18mDelta
Deal found 7/26$532
This Ovago deal was found by Cheapflights users on 7/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/154:30 pmSFO - LHR
Nonstop10h 25mBritish Airways
lun. 9/297:30 pmLHR - SFO
2 stops32h 04mBritish Airways
Deal found 7/27$539
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/64:40 pmSFO - LHR
1 stop21h 00mScandinavian Airlines
lun. 11/106:40 amLHR - SFO
1 stop15h 55mScandinavian Airlines
Deal found 7/27$548
This Finnair deal was found by Cheapflights users on 7/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/58:00 amSFO - LHR
1 stop14h 25mFinnair
vie. 8/1510:30 amLHR - SFO
1 stop15h 40mFinnair
Deal found 7/28$557
This Virgin Atlantic deal was found by Cheapflights users on 7/28. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/169:20 pmSFO - LHR
Nonstop10h 20mVirgin Atlantic
lun. 10/208:55 pmLHR - SFO
1 stop22h 50mVirgin Atlantic
Deal found 7/28$561
This Ovago deal was found by Cheapflights users on 7/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/17:55 pmSFO - LHR
Nonstop10h 15mBrussels Airlines
sáb. 9/206:50 amLHR - SFO
2 stops21h 01mBrussels Airlines
Deal found 7/26$573

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 julio 29, 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

mar. 8/19

7:30 am-10:00 am

2 stops18h 30m

London Heathrow

jue. 8/28

9:30 am-7:57 pm

1 stop18h 27m

$524

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mié. 8/6

7:30 pm-5:50 pm

1 stop14h 20m

London Heathrow

mar. 8/19

6:40 pm-4:10 pm

1 stop29h 30m

$525

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mié. 8/13

8:00 am-6:25 am

1 stop14h 25m

London Heathrow

vie. 8/22

2:25 pm-9:33 pm

1 stop15h 08m

$527

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

lun. 8/4

7:50 pm-2:10 pm

Nonstop10h 20m

London Heathrow

mié. 8/13

7:25 am-2:20 pm

1 stop14h 55m

$528

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

dom. 8/3

11:10 am-10:15 am

1 stop15h 05m

London Heathrow

mar. 8/19

6:30 am-4:00 pm

2 stops17h 30m

$530

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mar. 9/16

7:30 am-6:35 am

1 stop15h 05m

London Heathrow

mié. 10/1

8:40 am-4:10 pm

1 stop15h 30m

$531

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mié. 8/13

3:45 pm-2:35 pm

1 stop14h 50m

London Heathrow

mar. 8/19

5:25 pm-11:43 pm

1 stop14h 18m

$532

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

lun. 9/15

4:30 pm-10:55 am

Nonstop10h 25m

London Heathrow

lun. 9/29

7:30 pm-7:34 pm

2 stops32h 04m

$539

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mar. 8/26

2:40 pm-12:40 pm

1 stop14h 00m

London Heathrow

vie. 9/5

7:25 am-7:00 pm

1 stop19h 35m

$548

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mar. 8/5

8:00 am-6:25 am

1 stop14h 25m

London Heathrow

vie. 8/15

10:30 am-6:10 pm

1 stop15h 40m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 23 results
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2
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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 July 25, 2025.

Booking 78 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, November is the cheapest month in which you can book a flight from Fremont to London Heathrow Airport (average of $661). Flying from Fremont to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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 julio 29, 2025.

When flying from Fremont to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Wednesday evenings 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 julio 29, 2025.

The most flights from FR8 to LHR are scheduled on a Monday (43 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (43 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 julio 29, 2025.
Read reviews from past customers who have flown Delta, KLM, and Austrian 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
8.0
Very good
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

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
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

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.
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

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.
Austrian Airlines
7.6
Good
821 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

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.
Finnair
7.6
Good
1,316 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

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.
SWISS
7.5
Good
1,683 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

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.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $327. TAP AIR PORTUGAL flights start at $331 while deals on LEVEL start at $341 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 Aeromexico (83%), Air France (82%) or Delta (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 $367. While the most popular route (San Francisco - London Heathrow) can be booked for $416 on average our data indicates $2,840 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, November is the cheapest month in which you can book a flight from Fremont to London Heathrow Airport (average of $661). Flying from Fremont to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Stratford-upon-Avon
Orpington
Watford
Northampton
Gatwick
Borehamwood
Dartford
Broadway
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Swindon

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Fremont to Heathrow

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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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$195Average$793FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$336Average$586FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$433Average$581FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$555Average$780FlexibilityNo cancel feeOn-time70%
SWISSCheapest$558Average$703FlexibilityNo cancel feeOn-time79%
IberiaCheapest$572Average$760FlexibilityNo cancel feeOn-time77%
FinnairCheapest$573Average$667FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$574Average$974FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$576Average$822FlexibilityNo cancel feeOn-time76%
DeltaCheapest$582Average$800FlexibilityNo cancel feeOn-timeN/A

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