Cheap flights from San Francisco to the United Kingdom from $199
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 8/14. 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 San Francisco to the United Kingdom
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Lufthansa flights from San Francisco to United Kingdom
Our best Lufthansa deals on San Francisco to United Kingdom flight tickets
Virgin Atlantic flights from San Francisco to United Kingdom
Our best Virgin Atlantic deals on San Francisco to United Kingdom flight tickets
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
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 $635. 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 $661.
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 $815. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $960.
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 evening. momondo users have found flights departing from San Francisco to United Kingdom in the evening for as low as $860. 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 at noon, with an average ticket price of $988. Departure times at noon 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 $776 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 $741 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 Iberia are the most popular carriers operating from San Francisco to United Kingdom
What airlines fly to United Kingdom?
United Airlines, British Airways and Iberia 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 40% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 21 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 4:00PM, 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?
As of June 2025, 294 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 14% 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 | $199 |
|---|---|
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 21 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 30.43% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 25.81%, Airbus A380-800 with 18.32%, and Boeing 787 Dreamliner with 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 $290 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $332 | Free Cancellation | Rating 7.3 1,387 reviews | |||
| PriceFrom $465 | Free Cancellation | Rating 7.6 1,290 reviews | |||
| PriceFrom $487 | Free Cancellation | Rating 7.1 1,885 reviews | |||
| PriceFrom $527 | Free Cancellation | Rating 7.1 1,117 reviews | |||
| PriceFrom $541 | Free Cancellation | Rating 7.5 1,623 reviews | |||
| PriceFrom $562 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $572 | Free Cancellation | Rating 7.0 2,776 reviews | |||
| PriceFrom $577 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $584 | Free Cancellation | Rating 7.3 2,925 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.