Cheap flights from San Francisco to the United Kingdom from $220
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 to the United Kingdom departing on 3/4. 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 round-trip flights
These are some of the best round-trip flight deals from San Francisco to the United Kingdom that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Francisco to the United Kingdom.
Cheap last minute flights
Planning a quick getaway from San Francisco to the United Kingdom? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to the United Kingdom, so you can enjoy a seamless trip without layovers.
Cheap bus & train deals from San Francisco to the United Kingdom
Find recent round-trip train or bus tickets from San Francisco to the United Kingdom.
All round-trip flight deals from San Francisco to the United Kingdom
The cheapest plane tickets from San Francisco to the United Kingdom found on KAYAK recently.
KLM flights from San Francisco to United Kingdom
Our best KLM deals on San Francisco to United Kingdom flight tickets
KLM![KLM]()
Jan 28![KLM]()
Feb 3
SFO9:00 amSan Francisco
14h 55m
1 stop
LHR7:55 amLondon Heathrow
LHR8:25 pmLondon Heathrow
23h 25m
1 stop
SFO11:50 amSan Francisco
KLM![KLM]()
Feb 2![KLM]()
Feb 18
SFO12:09 pmSan Francisco
14h 26m
1 stop
LHR10:35 amLondon Heathrow
LHR6:30 amLondon Heathrow
13h 20m
1 stop
SFO11:50 amSan Francisco
United Airlines flights from San Francisco to United Kingdom
Our best United Airlines deals on San Francisco to United Kingdom flight tickets
United Airlines![United Airlines]()
Feb 3![United Airlines]()
Feb 11
SFO8:38 amSan Francisco
16h 42m
1 stop
LHR9:20 amLondon Heathrow
LHR8:55 amLondon Heathrow
15h 30m
1 stop
SFO4:25 pmSan Francisco
United Airlines![United Airlines]()
Feb 5![United Airlines]()
Feb 17
SFO7:00 amSan Francisco
19h 10m
1 stop
LHR10:10 amLondon Heathrow
LHR12:05 pmLondon Heathrow
36h 20m
1 stop
SFO4:25 pmSan Francisco
See travel insights to the United Kingdom from
How to get the cheapest flight ticket from San Francisco to United Kingdom
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
Prices
Airlines
Other information
What is the cheapest month to fly to United Kingdom?
In general, October is the cheapest month to fly from San Francisco to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $634. If you aren’t able to travel to United Kingdom during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $663.
What is the cheapest day to depart on your flight to United Kingdom?
The cheapest day to depart from San Francisco to United Kingdom is on a Wednesday when prices can be found for as low as $832. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $976.
What is the cheapest time of day to depart on your flight to United Kingdom?
According to our data, the cheapest time of day to fly to United Kingdom is in the afternoon. momondo users have found flights departing from San Francisco to United Kingdom in the afternoon for as low as $770. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the evening, with an average ticket price of $872. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest San Francisco to United Kingdom flight route?
Fly from San Francisco to London Heathrow for the best San Francisco - United Kingdom flight prices
How far in advance should I book a flight to United Kingdom?
You are more likely to see cheaper flights to United Kingdom from San Francisco when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $805 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from San Francisco for as low as $775 on momondo.
What cabin class options are available on San Francisco to United Kingdom flights?
There are 4 cabin classes available to choose from on San Francisco to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Francisco to United Kingdom?
WestJet, SWISS, and Lufthansa are the most popular carriers operating from San Francisco to United Kingdom
What airlines fly to United Kingdom?
United Airlines, British Airways and Virgin Atlantic are the top three most popular airlines that fly to United Kingdom from San Francisco according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 22 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Francisco to United Kingdom on average per day?
30 flights are operational daily from San Francisco to United Kingdom as of January 2025. The most popular departure time for this route is 5:00PM, with 83% of flights per day taking off in the afternoon.
How many flights depart from San Francisco to United Kingdom on average per week?
As of January 2025, 212 flights take off from San Francisco and land in United Kingdom each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
Cheap San Francisco to United Kingdom flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to United Kingdom
Best Price Found | $220 |
|---|---|
Fastest flight time | 10h 15m |
Direct flights | Every day |
Airports in United Kingdom | 8 airports |
When did momondo last update prices for flights from San Francisco Airport to United Kingdom?
Prices for flights from San Francisco Airport to United Kingdom are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Airport to United Kingdom?
As of January 2025, there are 22 operators available to choose from for flights from San Francisco Airport to United Kingdom.
How old do you have to be to fly from San Francisco Airport to United Kingdom?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The required travel and health documents for your United Kingdom 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 United Kingdom. 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 to United Kingdom?
Based on momondo bookings for flights between San Francisco and United Kingdom, the leading plane model is Boeing 777, making up 29.59% of the total bookings. Other popular models include Airbus A380-800 with 26.02%, Boeing 787-9 Dreamliner with 18.79%, and Airbus A380 with 7.82%.
Best airlines flying from San Francisco to United Kingdom
Compare and see reviews for airlines that fly from San Francisco to United Kingdom with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $428 | Free Cancellation | Rating 7.1 1,869 reviews | |||
| PriceFrom $458 | Free Cancellation | Rating 7.3 1,320 reviews | |||
| PriceFrom $519 | Free Cancellation | Rating 7.6 1,286 reviews | |||
| PriceFrom $536 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $541 | Free Cancellation | Rating 7.5 1,600 reviews | |||
| PriceFrom $557 | Free Cancellation | Rating 7.1 1,082 reviews | |||
| PriceFrom $567 | Free Cancellation | Rating 7.5 665 reviews | |||
| PriceFrom $572 | Free Cancellation | Rating 7.0 2,646 reviews | |||
| PriceFrom $577 | Free Cancellation | Rating 8.0 8,521 reviews | |||
| PriceFrom $586 | Free Cancellation | Rating 7.8 1,341 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Francisco to United Kingdom?
It is quick and easy to find San Francisco to United Kingdom flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United Kingdom that suits you.
Can I find flights from San Francisco to United Kingdom with flexible booking policies on momondo?
Yes. All flights to United Kingdom from San Francisco 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 to United Kingdom?
momondo helps you find the best flight between San Francisco and United Kingdom by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from San Francisco to United Kingdom right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Francisco to United Kingdom flights. All you need is a valid email address and we will do the rest; it is that quick and easy.
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