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$383+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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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 September 14, 2025.

Round-trip from

$520
(Kiwi.com)

One-way from

$383
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$674
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 ($165 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 September 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 September 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Wed 11/124:35 pmSFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Thu 11/207:55 pmLHR - SFO
1 stop28h 10mTAP AIR PORTUGAL
Deal found 9/12$520
This lastminute.com deal was found by Cheapflights users on 9/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:30 amSFO - LHR
1 stop14h 00mMultiple Airlines
Tue 10/78:05 pmLHR - SFO
1 stop28h 05mMultiple Airlines
Deal found 9/13$522
This CrystalTravel deal was found by Cheapflights users on 9/12. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:30 pmSFO - LHR
2 stops19h 10mScandinavian Airlines
Sun 11/29:05 pmLHR - SFO
2 stops25h 30mScandinavian Airlines
Deal found 9/12$525
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Wed 10/295:35 pmSFO - LHR
1 stop34h 50mTAP AIR PORTUGAL
Sat 11/86:00 amLHR - SFO
1 stop16h 45mTAP AIR PORTUGAL
Deal found 9/13$526
This FlightHub deal was found by Cheapflights users on 9/12. 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 10/278:59 pmSFO - LHR
2 stops38h 31mScandinavian Airlines
Wed 11/127:30 pmLHR - SFO
1 stop27h 05mScandinavian Airlines
Deal found 9/12$528
This FlightHub deal was found by Cheapflights users on 9/13. 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 11/108:55 pmSFO - LHR
2 stops37h 35mScandinavian Airlines
Fri 11/146:40 amLHR - SFO
1 stop15h 55mScandinavian Airlines
Deal found 9/13$529
This Scandinavian Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 11/1212:30 pmSFO - LHR
2 stops21h 10mScandinavian Airlines
Wed 11/197:30 pmLHR - SFO
1 stop27h 05mScandinavian Airlines
Deal found 9/12$531
This Scandinavian Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 10/309:30 pmSFO - LHR
2 stops38h 00mScandinavian Airlines
Sun 11/25:00 pmLHR - SFO
1 stop29h 35mScandinavian Airlines
Deal found 9/12$532
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 11/1212:30 pmSFO - LHR
2 stops21h 10mScandinavian Airlines
Thu 11/206:40 amLHR - SFO
1 stop15h 55mScandinavian Airlines
Deal found 9/14$534
This Ticket deal was found by Cheapflights users on 9/12. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:30 amSFO - LHR
1 stop17h 05mAir Canada
Tue 10/72:05 pmLHR - SFO
1 stop15h 35mAir Canada
Deal found 9/12$535

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 September 14, 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

Sat 11/15

7:00 am-9:20 am

2 stops18h 20m

London Heathrow

Sat 11/22

6:40 am-2:35 pm

1 stop15h 55m

$534

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 3/9

4:15 pm-5:40 pm

2 stops18h 25m

London Heathrow

Wed 3/18

7:50 pm-3:35 pm

2 stops26h 45m

$543

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 10/20

3:30 pm-5:40 pm

2 stops18h 10m

London Heathrow

Sun 10/26

6:40 am-5:35 pm

2 stops17h 55m

$547

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 10/20

3:30 pm-5:40 pm

2 stops18h 10m

London Heathrow

Thu 10/30

7:05 am-7:25 pm

2 stops19h 20m

$548

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 10/14

9:20 pm-3:40 pm

Nonstop10h 20m

London Heathrow

Fri 10/24

6:30 am-11:45 am

1 stop13h 15m

$581

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 10/12

9:20 pm-3:40 pm

Nonstop10h 20m

London Heathrow

Mon 10/20

8:55 pm-11:45 am

1 stop22h 50m

$581

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 11/11

12:45 am-7:05 am

1 stop22h 20m

London Heathrow

Thu 11/20

6:30 am-11:50 am

1 stop13h 20m

$585

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 10/15

12:35 pm-5:40 pm

2 stops21h 05m

London Heathrow

Wed 10/22

5:00 pm-4:30 pm

1 stop31h 30m

$586

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 12/10

12:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Thu 12/18

10:05 am-1:20 pm

Nonstop11h 15m

$587

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sat 11/22

6:00 pm-11:50 am

1 stop33h 50m

London Heathrow

Fri 12/5

1:45 pm-5:00 pm

Nonstop11h 15m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 21 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 September 12, 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, 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 $1,098). 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 September 14, 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 September 14, 2025.

The most flights from FR8 to LHR are scheduled on a Monday (42 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (42 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 September 14, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Virgin Atlantic 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
7,956 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
8,931 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
7.4
Good
664 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
2,928 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
7,361 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

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 Scandinavian Airlines fly from Fremont to London Heathrow Airport in about 18h 20m. The time it takes to get you to your destination can typically vary by up to . There are 5350 mi between Fremont and London Heathrow Airport.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $384. United Airlines flights start at $384 while deals on Delta start at $384 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 Iberia (89%), KLM (88%) or Air France (88%) 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 $354. While the most popular route (San Francisco - London Heathrow) can be booked for $440 on average, our data indicates $2,565 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 $1,098). 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
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone

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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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$195Average$815FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$334Average$601FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$433Average$575FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$541Average$712FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$544Average$771FlexibilityNo cancel feeOn-time70%
DeltaCheapest$564Average$785FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$570Average$814FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$571Average$843FlexibilityNo cancel feeOn-time76%
IberiaCheapest$572Average$760FlexibilityNo cancel feeOn-time77%
FinnairCheapest$573Average$679FlexibilityNo cancel feeOn-time76%

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