£245 Find Cheap Flights from San Francisco Bay Area to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to London departing on 24/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from San Francisco Bay Area to London

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from San Francisco Bay Area to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from San Francisco Bay Area to London

Sun, 26 Apr - Mon, 11 May
Scandinavian Airlines Logo
16:45 - 16:00
SFO
-
LHR
15h 15m
1 stop
Scandinavian Airlines Logo
06:40 - 14:40
LHR
-
SFO
16h 00m
1 stop
£463Scandinavian Airlines
Mon, 20 Apr - Mon, 27 Apr
Scandinavian Airlines Logo
16:45 - 18:30
SFO
-
LHR
17h 45m
1 stop
Scandinavian Airlines Logo
19:30 - 14:40
LHR
-
SFO
27h 10m
1 stop
£463Scandinavian Airlines
Tue, 7 Apr - Thu, 16 Apr
TAP AIR PORTUGAL Logo
16:35 - 09:45
SFO
-
LGW
33h 10m
1 stop
TAP AIR PORTUGAL Logo
21:20 - 16:50
LGW
-
SFO
27h 30m
2 stops
£464TAP AIR PORTUGAL
Mon, 20 Apr - Fri, 24 Apr
Scandinavian Airlines Logo
16:45 - 18:30
SFO
-
LHR
17h 45m
1 stop
Scandinavian Airlines Logo
06:40 - 14:40
LHR
-
SFO
16h 00m
1 stop
£464Scandinavian Airlines
Mon, 20 Apr - Mon, 27 Apr
Scandinavian Airlines Logo
16:45 - 18:50
SFO
-
LHR
18h 05m
2 stops
Scandinavian Airlines Logo
06:40 - 14:40
LHR
-
SFO
16h 00m
1 stop
£465Scandinavian Airlines
Wed, 22 Apr - Tue, 28 Apr
Virgin Atlantic Logo
18:00 - 15:00
SJC
-
LHR
13h 00m
1 stop
Virgin Atlantic Logo
14:30 - 22:01
LHR
-
SJC
15h 31m
1 stop
£521Virgin Atlantic
Wed, 22 Apr - Tue, 28 Apr
Virgin Atlantic Logo
18:00 - 15:00
SJC
-
LHR
13h 00m
1 stop
Virgin Atlantic Logo
12:25 - 20:37
LHR
-
SJC
16h 12m
1 stop
£522Virgin Atlantic
Wed, 22 Apr - Wed, 29 Apr
Iberia Logo
14:02 - 14:25
SJC
-
LHR
16h 23m
1 stop
Iberia Logo
07:50 - 21:59
LHR
-
SJC
22h 09m
2 stops
£537Iberia
Tue, 7 Apr - Tue, 21 Apr
KLM Logo
12:35 - 11:00
OAK
-
LHR
14h 25m
1 stop
KLM Logo
06:30 - 16:24
LHR
-
OAK
17h 54m
2 stops
£578KLM
Tue, 7 Apr - Tue, 21 Apr
Air France Logo
15:37 - 16:00
SJC
-
LGW
16h 23m
2 stops
Air France Logo
10:35 - 21:45
LGW
-
SJC
19h 10m
2 stops
£677Air France
Useful Info

Good to know - Cheap tickets from San Francisco Bay Area to London

Low seasonJanuary
Cheapest flight£245
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly (17% more expensive on average)
Flight from San Jose to London Gatwick Airport

Flights from San Francisco Bay Area to London: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from San Francisco Bay Area to London 
Verified travelerFlew with British Airways
SFO
-
LHR
Dec 2025
If not getting off in London make sure you have enough time to get to your connecting gates
Verified travelerFlew with Iberia
SFO
-
LHR
Jan 2026
Buy your flight directly from the airline because the cancellation process is purgatory
GeraldFlew with Virgin Atlantic
SFO
-
LHR
Jun 2025
Virgin Atlantic uses terminal 3. Much faster clearing customs than terminal 5
Verified travelerFlew with American Airlines
SFO
-
LHR
Jun 2025
Large number of passengers on the flight so arrive early to the airport and to the boarding gate
PallaviFlew with British Airways
SFO
-
LHR
Apr 2025
Eat at the lounge first so you are not stuck eating overcooked cheese ravioli
TapanFlew with British Airways
SFO
-
LHR
Oct 2024
Great baggage policy in BA.. The worst part was experience at London Heathrow airport. Security was slow, too many people. Almost lost connecting flight even with 2 hours layover.

FAQs for booking flights from San Francisco Bay Area to London

  • How does KAYAK find such low prices on flights from San Francisco Bay Area to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco Bay Area to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco Bay Area to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from San Francisco Bay Area is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco Bay Area to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to San Francisco Bay Area with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco Bay Area to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from San Francisco Bay Area up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines flying from San Francisco Bay Area to London

 
Need help choosing which airline to fly with from San Francisco Bay Area to London? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
KLMOverall score based on 1471 reviews
8.4Crew
7.8Boarding
7.6Comfort
7.3Food
7.1Entertainment
Airline reviews

It was really nice journey i personally recommend klm flight

10.0 Excellentsmit, Mar 2026
AMD - BLR
Read more KLM reviews

It was really nice journey i personally recommend klm flight

The crew were unprofessional with a racist element. I was physically abused as well from one of the crew members

Empty seats next to me - wish it had been for a longer flight!!

Flight was on time, staff are friendly and helpful onboard.

Delay on my previous leg, had to run to catch my flight. But that happens. Overall ok.

At the airport, terrible, I do not want to even remember it. It was too humiliating for a business class passenger.

Flight was ok but lack of communication cost me to literally beg to be put on another flight as connecting flight had departed

They forgot to serve food and the crew was very unfriendly. Never experienced such a bad KLM flight. Usually fly from Toronto. New York was different.

Over 1 Hr delay. No APU so no AC on ground. Plane was hot during boarding and then they closed the doors over 20 minutes before engine start so interior of plane was steamy hot and stuffy. Could have been helped by opening doors until ready to depart.

First of all we couldn’t check in online, then we learn at the airport we were on stand by for KLM’s mistake of overbooking. The seats were not comfy at all. Our luggage got lost.

My seat 3G did not go down fully and the buttons were not working properly

Food has been disappointing in both legs of flight to india

Great staff great experience, made a 2 hour delay very bearable

Great staff, great experience, made a 2 hour delay very bearable

Food was the worst I’ve had on a VA flight. Normally it’s a lot better

I was my pleasure to fly virgin on my birthday for my first solo trip ever 🫶🏼

These are one of the older seat arrangements facing away from the windows! Not particularly convenient sets. No storage spaces. NO COAT HANGING HOOKS. Inconvenient business class seat compared to any other airlines of similar class. Staff are excellent! Extremely professional, friendly. Food is good too.

Overall, flight was excellent but check in was very slow for Premium Economy. Economy queue was shorter but we weren't allowed to use it.

The staff was not very polite but the flight was very very nice and comfortable and the entertainment was great

Great crew - old style upper class seats on the older fleet now feels dated

The 777’s economy seat’s legroom was more tolerable than expected. I appreciate the reclining mechanism which slides the seat forward to minimize cannibalizing the space behind. The food was terrible: very salty.

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

Staff were good. My seat was in need of repair, but for a short flight was not problematic. Usual basic snack and drink setup that you'll find on any US carrier. Over, a decent, basic flight.

Complimentary light meal would be appreciated. But great flight crew service on all legs

Flight delayed for more than 16 hrs and no effort was spent to provide an alternate

We had turbulence ever 1/2 hr or so and the captains announcements were SOOOO LOUD

Women boarding passengers at the gate was absolutely rude and disrespectful of passengers. The flight attendant was absolutely delightful! Smiling and connected with the passengers. So happy. The seats are cramped and uncomfortable but I guess that’s just the way it is Communication regarding flight was excellent

it was a very short flight so my expectations were low.

Entertainment kept turning itself off. Gave up on watching a movie.

Very disappointing given gate agent behavior. Filed a formal complaint with United.

Lufthansa cancelled our flight from Los Angeles to Naples Italy on March 10 for scheduled flight on March 12 Very stressful experience trying to arrange alternatives. Will never fly again with Lufthansa

Service and food were excellent. Incredibly friendly and competent staff. Flight was delayed over and hour and I had to run between terminals to get my connecting flight.

Late flight Delays Poor service Poor staff Worst airline ever

Lufthansa still has a good level of quality compared to US airlines, especially with respect to (1) food quality - actually tasty, (2) good French red wine - free, (3) good movie selection. Also my ticket price includes 1 free check-in luggage, while some other budget airlines sneak in an extra $150 for a checkin.

A bit more space? Not practical, I know. I felt squished in but part of that could have been the man sitting next to me.

The food could be better, more snacks. And have some plugs to chargue the phone.

Everything was really great just The aircraft was too old and sounded it will break during takeoff

Extremely pleased with the crew. Best flight attendants ever! Very friendly, genuinely caring and attentive.

Best flight attendants ever! Very customer and service oriented, courteous, professional and helpful.

Cheapest airlines I have ever been on. I got downgraded and never got on united. I got rerouted through Vancouver onto jetwesf

Worth every penny to upgrade to BC. Treated and felt more like First Class

Good service, food and comfort in World Traveller Plus. Entertainment was poor - no wifi on the way out and barely working on the way back. Not a great choice of entertainment on the seat back tv.

They had us seating down for one hour just waiting on the plane

Flying with BA is always a good experience—even in economy class. It is better if in business and first class. Timely, breeze through security and timely connections

We waited at BOS at the gate for an hour and couldn’t get a drink or anything. Once in the air the service, food and ride was excellent.

My enetertainmnet screen was broken. Lost my bags. Almost missed my flight do to connection issues with (despite a request) ZERO help from crew. Food was edible. Potatoes pretty good even

The issue was not with BA it was with the link yoiu sent fopr booking the flight

Loved the boarding option from Business class lounge, experience on flight was excellent, plenty of good food choices

The airline was not clear about a new departure time so we got to the airport early anyway. The flight left early which was great because of weather. The check in process was very easy and staff were friendly and helpful. The crew was great and our flight was very good.

Awful it always is unfortunately is the only way to fly direct to london

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Milton Keynes
Eastbourne
Hounslow
Luton
Southend-on-Sea
Slough
Winchester
Croydon
Stansted
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Colchester
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Crawley
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Everything you need to know for your flight to London

Cabin class types available on flights to San Francisco Bay Area

Cabin classes available on flights to London. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.