Cheap flights from the United Kingdom to San Francisco from $306
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 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from the United Kingdom to San Francisco
Recent round-trip flight deals from the United Kingdom to San Francisco
Recent one-way flight deals from the United Kingdom to San Francisco
Recent last minute flight deals from the United Kingdom to San Francisco
Recent direct flight deals from the United Kingdom to San Francisco
Virgin Atlantic flights from United Kingdom to San Francisco
Our best Virgin Atlantic deals on United Kingdom to San Francisco flight tickets
Finnair flights from United Kingdom to San Francisco
Our best Finnair deals on United Kingdom to San Francisco flight tickets
See travel insights to San Francisco from
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?
If you aren’t able to travel to San Francisco during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $587.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart from United Kingdom to San Francisco is on a Wednesday when prices can be found for as low as $654. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $777.
What is the cheapest time of day to depart on your flight to San Francisco?
Our data shows that the cheapest United Kingdom to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $682. Flights at noon are often more expensive with an average ticket price of $723.
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 25 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $689 when searching 25 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 $609 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 and TAP AIR PORTUGAL are the most popular carriers operating from United Kingdom to San Francisco
What airlines fly to San Francisco?
British Airways, United Airlines 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 45% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 12 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 May 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 10:00AM, with 52% of daily flights taking off in the afternoon.
How many flights depart from United Kingdom to San Francisco on average per week?
The number of flights available between United Kingdom and San Francisco is 288 per week as of May 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving 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 | $306 |
|---|---|
Fastest flight time | 11h 00m |
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 were last updated today.
How many operators does momondo search for flights from United Kingdom to San Francisco Airport?
There are 12 operators available for flights from United Kingdom to San Francisco Airport as of May 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 required travel and health documents for your San Francisco Airport 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 San Francisco Airport. 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 United Kingdom to San Francisco?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from United Kingdom to San Francisco is Boeing 777 (37.47% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (24.77%), Airbus A380-800 (18.73%), and Boeing 777-300ER (8.17%).
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 $382 | Free Cancellation | Rating 7.6 1,275 reviews | |||
| PriceFrom $500 | Free Cancellation | Rating 7.6 781 reviews | |||
| PriceFrom $513 | Free Cancellation | Rating 6.6 6,845 reviews | |||
| PriceFrom $519 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $542 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $546 | Free Cancellation | Rating 7.3 346 reviews | |||
| PriceFrom $552 | Free Cancellation | Rating 6.7 7,045 reviews | |||
| PriceFrom $553 | Free Cancellation | Rating 7.4 643 reviews | |||
| PriceFrom $555 | Free Cancellation | Rating 7.3 1,349 reviews | |||
| PriceFrom $571 | Free Cancellation | Rating 7.4 8,696 reviews |
Traveling 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?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United Kingdom to San Francisco for you.
Can I find flights from United Kingdom to San Francisco with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for United Kingdom to San Francisco flights to just show those with flexible booking policies.
How can momondo help me find flights from United Kingdom to San Francisco?
Once you have performed a search for United Kingdom to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from United Kingdom to San Francisco right now. Can momondo alert me if prices change?
If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from United Kingdom and alert you when they change.