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Cheap flights from San Francisco Bay Area to London from £190

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco Bay Area to London departing on 19/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:30 - 11:20
SFO
-
LHR
13h 50m
1 stop
Multiple Airlines Logo
06:30 - 13:40
LHR
-
SFO
14h 10m
1 stop
£438Multiple Airlines
Thu, 19 Mar - Tue, 24 Mar
SWISS Logo
19:25 - 17:50
SFO
-
LHR
14h 25m
1 stop
SWISS Logo
09:00 - 17:30
LHR
-
SFO
15h 30m
1 stop
£438SWISS
Tue, 24 Feb - Wed, 18 Mar
Iberia Logo
06:00 - 06:50
SJC
-
LHR
16h 50m
1 stop
Iberia Logo
19:40 - 10:11
LHR
-
SJC
21h 31m
2 stops
£460Iberia
Mon, 23 Feb - Mon, 9 Mar
Iberia Logo
06:00 - 06:50
SJC
-
LHR
16h 50m
1 stop
Iberia Logo
19:05 - 10:11
LHR
-
SJC
22h 06m
2 stops
£461Iberia
Mon, 23 Feb - Mon, 9 Mar
United Airlines Logo
08:50 - 09:40
SJC
-
LHR
16h 50m
1 stop
United Airlines Logo
06:35 - 21:16
LHR
-
SJC
21h 41m
2 stops
£464United Airlines
Wed, 4 Mar - Wed, 11 Mar
United Airlines Logo
08:50 - 09:40
SJC
-
LHR
16h 50m
1 stop
United Airlines Logo
06:35 - 21:16
LHR
-
SJC
21h 41m
2 stops
£465United Airlines
Wed, 4 Mar - Tue, 10 Mar
KLM Logo
05:55 - 10:00
OAK
-
LHR
20h 05m
1 stop
KLM Logo
20:25 - 16:00
LHR
-
OAK
26h 35m
2 stops
£466KLM
Tue, 3 Mar - Tue, 10 Mar
Lufthansa Logo
08:45 - 15:40
SJC
-
LHR
22h 55m
2 stops
Lufthansa Logo
06:30 - 21:32
LHR
-
SJC
23h 02m
2 stops
£468Lufthansa
Wed, 15 Apr - Fri, 1 May
KLM Logo
05:55 - 07:50
OAK
-
LHR
17h 55m
2 stops
KLM Logo
17:50 - 16:00
LHR
-
OAK
29h 10m
2 stops
£469KLM
Tue, 3 Mar - Tue, 10 Mar
Lufthansa Logo
08:45 - 16:40
SJC
-
LHR
23h 55m
2 stops
Lufthansa Logo
07:30 - 21:32
LHR
-
SJC
22h 02m
2 stops
£474Lufthansa
Wed, 15 Apr - Fri, 1 May

United Airlines flights from San Francisco Bay Area to London Heathrow Airport

Our best United Airlines deals on San Francisco Bay Area to London Heathrow Airport flight tickets
United Airlines
12 Mar
SFO13:50San Francisco
10h 35m
LHR07:25London Heathrow
23 Mar
LHR07:40London Heathrow
19h 55m
1 stop
SFO20:35San Francisco
£453
United Airlines
25 Feb
SFO17:25San Francisco
10h 35m
LHR12:00London Heathrow
4 Mar
LHR06:35London Heathrow
16h 15m
1 stop
SFO14:50San Francisco
£454
United Airlines
11 Feb
SFO12:50San Francisco
10h 35m
LHR07:25London Heathrow
19 Feb
LHR06:35London Heathrow
16h 15m
1 stop
SFO14:50San Francisco
£455

KLM flights from San Francisco Bay Area to London Heathrow Airport

Our best KLM deals on San Francisco Bay Area to London Heathrow Airport flight tickets
KLM
3 Mar
OAK05:55Oakland
20h 05m
1 stop
LHR10:00London Heathrow
10 Mar
LHR20:25London Heathrow
26h 35m
2 stops
OAK16:00Oakland
£466
KLM
3 Mar
OAK05:55Oakland
17h 55m
2 stops
LHR07:50London Heathrow
10 Mar
LHR17:50London Heathrow
29h 10m
2 stops
OAK16:00Oakland
£469
KLM
12 Feb
SFO16:30San Francisco
10h 20m
LHR10:50London Heathrow
18 Feb
LHR06:30London Heathrow
13h 20m
1 stop
SFO11:50San Francisco
£471

momondo Fare Finder

 
Customise your flight search to find flights from San Francisco Bay Area to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 8 February 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 19/3

14:30-11:20

1 stop13h 50m

London Heathrow

Tue 24/3

06:30-13:40

1 stop14h 10m

£438

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 24/2

19:25-17:50

1 stop14h 25m

London Heathrow

Wed 18/3

09:00-17:30

1 stop15h 30m

£438

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 23/2

06:00-06:50

1 stop16h 50m

London Heathrow

Mon 9/3

19:40-10:11

2 stops21h 31m

£460

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 23/2

06:00-06:50

1 stop16h 50m

London Heathrow

Mon 9/3

19:05-10:11

2 stops22h 06m

£461

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 4/3

08:50-09:40

1 stop16h 50m

London Heathrow

Wed 11/3

06:35-21:16

2 stops21h 41m

£464

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 4/3

08:50-09:40

1 stop16h 50m

London Heathrow

Tue 10/3

06:35-21:16

2 stops21h 41m

£465

OaklandLondon

OAK - LHR

OAKLHR

Oakland

Tue 3/3

05:55-10:00

1 stop20h 05m

London Heathrow

Tue 10/3

20:25-16:00

2 stops26h 35m

£466

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 15/4

08:45-15:40

2 stops22h 55m

London Heathrow

Fri 1/5

06:30-21:32

2 stops23h 02m

£468

OaklandLondon

OAK - LHR

OAKLHR

Oakland

Tue 3/3

05:55-07:50

2 stops17h 55m

London Heathrow

Tue 10/3

17:50-16:00

2 stops29h 10m

£469

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 15/4

08:45-16:40

2 stops23h 55m

London Heathrow

Fri 1/5

07:30-21:32

2 stops22h 02m

£474

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from San Francisco Bay Area to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

In general, February is the cheapest month to fly from San Francisco Bay Area to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £485. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from San Francisco Bay Area averaging around £489.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from San Francisco Bay Area is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £490. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £641.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from San Francisco Bay Area to London Heathrow Airport in the morning for as low as £536. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £788 on average. Flights to London Heathrow Airport from San Francisco Bay Area at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest San Francisco Bay Area to London Heathrow flight route?

Fly from San Francisco to London Heathrow for the best San Francisco Bay Area - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from San Francisco Bay Area when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £560 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from San Francisco Bay Area for as low as £526 on momondo.

What cabin class options are available on San Francisco Bay Area to London Heathrow flights?

There are 4 cabin classes available to choose from on San Francisco Bay Area to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco Bay Area to London Heathrow Airport flights?

No. A direct flight is the cheapest option for a flight between San Francisco Bay Area to London Heathrow Airport.

Cheap San Francisco Bay Area to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco Bay Area to London Heathrow Airport

Fastest flight time

10h 10m

Direct flights

Every day
The fastest flight from San Francisco Bay Area to London Heathrow Airport takes 10h 10m
Direct flights go from San Francisco Bay Area to London Heathrow Airport every day.
Search flight deals

  • When did momondo last update prices for flights from San Francisco Bay Area to London Heathrow Airport?

    Prices for flights from San Francisco Bay Area to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from San Francisco Bay Area to London Heathrow Airport?

  • How old do you have to be to fly from San Francisco Bay Area to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Bay Area to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Francisco Bay Area to London Heathrow Airport?

Best airlines flying from San Francisco Bay Area to London Heathrow Airport

Compare and see reviews for airlines that fly from San Francisco Bay Area to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £359Free CancellationRating
7.7
1,450 reviews
Search KLM flights
Virgin AtlanticPriceFrom £363Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
LufthansaPriceFrom £366Free CancellationRating
6.8
7,775 reviews
Search Lufthansa flights
British AirwaysPriceFrom £381Free CancellationRating
6.7
7,723 reviews
Search British Airways flights
United AirlinesPriceFrom £398Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
IberiaPriceFrom £419Free CancellationRating
7.0
3,109 reviews
Search Iberia flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Stratford-upon-Avon
Swindon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Poole
Guildford
Chelmsford
Hayes
Dover
Swanage
Folkestone

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco Bay Area to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco Bay Area to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Francisco Bay Area to London with flexible booking policies on momondo?

Yes. All flights to London from San Francisco Bay Area on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Francisco Bay Area to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from San Francisco Bay Area.

I’m not ready to book a flight from San Francisco Bay Area to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Francisco Bay Area to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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