Cheap flights from the United Kingdom to San Francisco 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 the United Kingdom to San Francisco departing on 22/9. 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 United Kingdom to San Francisco
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 San Francisco?
The month of February is, on average, the cheapest month to fly to San Francisco from United Kingdom, with most prices found around £426. If you are unable to visit San Francisco during the month of February, then departing from United Kingdom during the month November is also very affordable. Most momondo users find prices during this month for around £432.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart on your flight to San Francisco is on a Tuesday when prices can be found for as low as £537. This is often the case because there is less demand to fly during this day of the week. Flights from United Kingdom to San Francisco on a Sunday will generally be more expensive and average around £593. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to San Francisco?
Our most recent data shows that the best time of day to fly to San Francisco is in the evening. Flights from United Kingdom to San Francisco during this time can be as low as £474. Try not to purchase tickets at midday because they tend to be around £913. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest United Kingdom to San Francisco flight route?
Fly from London Heathrow to San Francisco for the best United Kingdom - San Francisco flight prices
How far in advance should I book a flight to San Francisco?
You are more likely to see cheaper flights to San Francisco from United Kingdom when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around £506 when searching 15 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from United Kingdom for as low as £460 on momondo.
What cabin class options are available on United Kingdom to San Francisco flights?
There are 4 cabin classes available to choose from on United Kingdom to San Francisco 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 United Kingdom to San Francisco?
Vueling, Iberia, and WestJet are the most popular carriers operating from United Kingdom to San Francisco
Which airlines fly to San Francisco?
British Airways, Virgin Atlantic and Lufthansa are the top three most popular airlines that fly to San Francisco from United Kingdom according to our data. British Airways is the first choice among our users, with 40% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 17 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
How many flights depart from United Kingdom to San Francisco on average per day?
As of June 2025, 41 flights take off from United Kingdom and land in San Francisco each day. The most common flight departure time for this route is 10:00, with 59% of daily flights taking off in the afternoon.
How many flights depart from United Kingdom to San Francisco on average per week?
288 flights are operational weekly from United Kingdom to San Francisco as of June 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.
Cheap United Kingdom to San Francisco flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United Kingdom to San Francisco
Best price found | £190 |
|---|---|
Fastest flight time | 10h 20m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
When did momondo last update prices for flights from United Kingdom to San Francisco Airport?
Prices for flights from United Kingdom to San Francisco Airport are refreshed on a daily basis.
How many operators does momondo search for flights from United Kingdom to San Francisco Airport?
There are 17 operators available for flights from United Kingdom to San Francisco Airport as of June 2025.
How old do you have to be to fly from United Kingdom to San Francisco Airport?
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 United Kingdom to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United Kingdom to San Francisco?
Based on momondo bookings for flights between United Kingdom and San Francisco, the leading plane model is Boeing 777, making up 36.49% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 28.07%, Airbus A380-800 with 16.27%, and Boeing 777-300ER with 6.64%.
Best airlines flying from United Kingdom to San Francisco
Compare and see reviews for airlines that fly from United Kingdom to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £235 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom £276 | Free Cancellation | Rating 7.1 9,563 reviews | |||
| PriceFrom £341 | Free Cancellation | Rating 7.1 1,893 reviews | |||
| PriceFrom £347 | Free Cancellation | Rating 7.5 1,628 reviews | |||
| PriceFrom £352 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom £352 | Free Cancellation | Rating 7.3 1,393 reviews | |||
| PriceFrom £358 | Free Cancellation | Rating 7.4 653 reviews | |||
| PriceFrom £360 | Free Cancellation | Rating 6.6 7,028 reviews | |||
| PriceFrom £362 | Free Cancellation | Rating 7.4 355 reviews | |||
| PriceFrom £366 | Free Cancellation | Rating 7.8 1,363 reviews |
Travelling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from United Kingdom to San Francisco?
Finding the right flight to San Francisco from United Kingdom is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.
Can I find flights from United Kingdom to San Francisco with flexible booking policies on momondo?
Flights from United Kingdom to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from United Kingdom to San Francisco?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to San Francisco.
I’m not ready to book a flight from United Kingdom to San Francisco right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to San Francisco from United Kingdom. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.