Cheap flights from San Francisco to the United Kingdom from £146
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 14/8. 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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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
What is the cheapest month to fly to United Kingdom?
The cheapest month to fly to United Kingdom from San Francisco is in October. Flight prices, which tend to average around £467, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of October, then departing from San Francisco during the month September is also very affordable. Most momondo users find prices during this month for around £486.
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. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £497. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to United Kingdom for around £677.
What is the cheapest time of day to depart on your flight to United Kingdom?
The cheapest time of day to fly to United Kingdom is in the afternoon when flights can be purchased for as low as £570. Try not to purchase tickets at midday because they tend to be around £793. Of course, these prices can vary depending on the time of year and what airport you fly to.
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 £571 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 £545 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?
TAP AIR PORTUGAL, SWISS, and Lufthansa are the most popular carriers operating from San Francisco to United Kingdom
Which airlines fly to United Kingdom?
Virgin Atlantic, British Airways and United Airlines are the top three most popular airlines that fly to United Kingdom from San Francisco according to our data. Virgin Atlantic is the first choice among our users, with 37% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 9 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?
42 flights are operational daily from San Francisco to United Kingdom as of June 2025. The most popular departure time for this route is 16:00, with 59% of flights per day taking off in the afternoon.
How many flights depart from San Francisco to United Kingdom on average per week?
The number of flights available between San Francisco and United Kingdom is 294 per week as of June 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving 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 | £146 |
|---|---|
Fastest flight time | 10h 15m |
Direct flights | Every day |
Airports in United Kingdom | 7 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 June 2025, there are 9 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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?
momondo data reveals that the most frequently booked plane model on the route from San Francisco to United Kingdom is Boeing 777, representing 30.43% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 25.81%, Airbus A380-800 at 18.32%, and Boeing 787 Dreamliner at 9.53%.
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 £386 | Free Cancellation | Rating 7.1 1,887 reviews | |||
| PriceFrom £401 | Free Cancellation | Rating 6.6 7,011 reviews | |||
| PriceFrom £416 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom £422 | Free Cancellation | Rating 7.0 2,776 reviews | |||
| PriceFrom £429 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom £437 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom £452 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom £476 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom £496 | Free Cancellation | Rating 7.1 1,118 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?
All flight searches from San Francisco to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from San Francisco to United Kingdom?
momondo provides multiple filters to help you find the best flight to United Kingdom from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from San Francisco to United Kingdom right now. Can momondo alert me if prices change?
If you are not ready to book a flight from San Francisco to United Kingdom now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to United Kingdom and let you know when they change.