£181 Find Cheap Flights from San Francisco to the United Kingdom

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to the United Kingdom departing on 17/8. 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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Flight Deals

Cheap Flights from San Francisco to the United Kingdom

Cheapest return prices found by our users on KAYAK in the last 72 hours
London
London1 stop£459
Manchester
Manchester1 stop£535
Edinburgh
Edinburgh2 stops£477
Birmingham
Birmingham1 stop£499
Belfast
Belfast1 stop£590
Bristol
Bristol1 stop£552
Aberdeen
Aberdeen1 stop£544
Liverpool
Liverpool2 stops£642
Leeds
Leeds1 stop£584
Inverness
Inverness1 stop£447
Newquay
Newquay1 stop£768
Cardiff
Cardiff2 stops£643
Exeter
Exeter1 stop£742
London
London1 stop£459
Manchester
Manchester1 stop£535
Edinburgh
Edinburgh2 stops£477
Birmingham
Birmingham1 stop£499
Belfast
Belfast1 stop£590
Bristol
Bristol1 stop£552
Aberdeen
Aberdeen1 stop£544
Liverpool
Liverpool2 stops£642
Leeds
Leeds1 stop£584
Inverness
Inverness1 stop£447
Newquay
Newquay1 stop£768
Cardiff
Cardiff2 stops£643
Exeter
Exeter1 stop£742

Book Cheap San Francisco to the United Kingdom Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from San Francisco to the United Kingdom 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 to the United Kingdom

Mon, 20 Apr - Sat, 9 May
Scandinavian Airlines Logo
16:45 - 17:40
SFO
-
LHR
16h 55m
1 stop
Scandinavian Airlines Logo
06:40 - 14:40
LHR
-
SFO
16h 00m
1 stop
£459Scandinavian Airlines
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
£461Scandinavian 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
£462Scandinavian 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
£462TAP AIR PORTUGAL
Thu, 23 Apr - Mon, 27 Apr
TAP AIR PORTUGAL Logo
19:55 - 09:45
SFO
-
LGW
29h 50m
1 stop
TAP AIR PORTUGAL Logo
21:15 - 14:35
LGW
-
SFO
25h 20m
2 stops
£464TAP AIR PORTUGAL
Wed, 29 Apr - Mon, 11 May
British Airways Logo
16:35 - 15:35
SFO
-
GLA
15h 00m
1 stop
British Airways Logo
20:50 - 13:50
GLA
-
SFO
25h 00m
1 stop
£524British Airways
Mon, 10 Aug - Thu, 20 Aug
British Airways Logo
16:35 - 16:10
SFO
-
GLA
15h 35m
1 stop
British Airways Logo
07:00 - 13:50
GLA
-
SFO
14h 50m
1 stop
£526British Airways
Tue, 4 Aug - Tue, 18 Aug
Virgin Atlantic Logo
13:45 - 12:40
SFO
-
BHX
14h 55m
1 stop
Virgin Atlantic Logo
20:15 - 11:45
BHX
-
SFO
23h 30m
1 stop
£550Virgin Atlantic
Wed, 22 Apr - Mon, 4 May
Virgin Atlantic Logo
13:45 - 18:30
SFO
-
LCY
20h 45m
1 stop
Virgin Atlantic Logo
20:15 - 11:45
LCY
-
SFO
23h 30m
1 stop
£553Virgin Atlantic
Mon, 13 Apr - Thu, 23 Apr
Lufthansa Logo
14:40 - 17:25
SFO
-
BHX
18h 45m
1 stop
Lufthansa Logo
06:05 - 12:40
BHX
-
SFO
14h 35m
1 stop
£570Lufthansa
Booking Insights

KAYAK's insights & trends for San Francisco to the United Kingdom flights

Get data-powered insights and trends into flights from San Francisco to the United Kingdom to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest San Francisco to the United Kingdom flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to the United Kingdom from San Francisco found in the last 72 hours was to London, at £380 return. The most popular route is from San Francisco (SFO) to London Heathrow Airport (LHR), and the cheapest round-trip airline ticket found on this route in the last 72 hours was £380.

What is the cheapest time of day to fly to the United Kingdom?

The average price for all round-trip flights from San Francisco to the United Kingdom depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to the United Kingdom is generally in the morning, when retur flights cost £559 on average. Morning departures are around 1% cheaper than evening flights, on average. The most expensive time of day to fly to the United Kingdom is generally in the afternoon, which is peak travel time and where the average cost of a ticket is £789.

Can I save money by flying with a stopover from San Francisco to the United Kingdom?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of £590, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from San Francisco to the United Kingdom?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to the United Kingdom, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to the United Kingdom is February, when tickets cost £485 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of return tickets is £798 and £660 respectively.

What’s the cheapest day of the week to fly from San Francisco to United Kingdom?

The average price of all round-trip flights from San Francisco to the United Kingdom clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to United Kingdom on a Tuesday and more expensive on a Friday. On your return trip to San Francisco, you should consider flying back on a Thursday, and avoid Sundays for better deals.

How far in advance should I book a flight from San Francisco to the United Kingdom?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to the United Kingdom, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on a flight from San Francisco to the United Kingdom, you should book around 2 weeks before departure, which saves you about 7% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 2 weeks before departure.

Good to know - Cheap tickets from San Francisco to the United Kingdom

Low seasonJanuary
Cheapest flight£181
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly (26% more expensive on average)
Flight from San Francisco to Glasgow

Flights from San Francisco to the United Kingdom: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from San Francisco to the United Kingdom 
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 - booking United Kingdom flights

  • How does KAYAK find such low prices on flights from San Francisco to the United Kingdom?

    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 to the United Kingdom.

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

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

  • What is the Hacker Fare option on flights from San Francisco to the United Kingdom?

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

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

    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 from San Francisco to the United Kingdom up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding a cheap flight from San Francisco to the United Kingdom

  • Looking for a cheap flight from San Francisco to the United Kingdom? 25% of our users found tickets from San Francisco to the United Kingdom for the following prices or less: London £272 one-way - £497 round-trip

Reviews of the top 5 airlines flying from San Francisco to the United Kingdom

 
Need help choosing which airline to fly with from San Francisco to the United Kingdom? 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
7.8Boarding
7.6Comfort
7.1Entertainment
8.4Crew
7.3Food
Airline reviews

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

2.0 MediocreNewton, Mar 2026
IAD - AMS
Read more KLM reviews

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

Crew is not the cheerful type. very slow meal service (this is their style as have flown this many times)

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

Terrible last row seats many seats available but no offer to move to better seat

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.

Couldn’t get boarding pass in SLC even with help from a redcoat, so had to find a desk in AMS to get boarding pass. Technical problems so not sure why. Very inconvenient. The KLM app is not as user friendly as most apps. Also had to wait almost an hour on the tarmac for a fuel truck, which caused us to miss a connecting bus in LUX.

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.

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.

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

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.

Terrible. No customer service, no food, no drinks on a 6 hour premier economy booking.

The flight crew where really good. Better then the crew from BNE to SFO

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.

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

Very small and uncomfortable seats, Hard to hear entertainment system sound. Horrible food. Staff doesn't care much about the passengers. 2nd time they didn't give me my vegetarian meal. They asked me regular food with meat. The airline and staff was from United airlines.

Checkin took along timen only.few angents available at.checkin desk. Customer support over phone no existence

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

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

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

Check in was was and the agent was very friendly and helpful The lounge was nice...boarding was straight from the lounge Everything worked at our seats, and video entertainment was good ..food was mediocre

Airlines have to stop assuming passengers bring entertainment. Provide it like you used to in business class and above!! N

Need to offer Better food from LAX to London Service from London to Delhi very delayed after take off.

Great crew and food and beverage. Seating tight but not the airline's fault. Will definitely fly BA in future!

Crying baby the ENTIRE flight. Not your fault, but I paid 2700 for a premium economy ticket and it wasn't worth it. should have just stuck with coach. flight attendants very mediocre - minimal effort. Plane didn't seem very clean. Didn't have any cleansing wipes - most airlines give you this when you board. Flat screen scrolling didn't work. Toiletry case a joke - why bother at all?

Everything you need to know for your flight from San Francisco to the United Kingdom

Information on your arrival and departure airports