£351 Cheap Flights to San Francisco County

View £351 flight on Tue, 1 Dec 2026Opens in a new window

Popular airlines to San Francisco County

  • Alaska Airlines

  • American Airlines

  • Frontier Airlines

  • Delta

  • United

  • JetBlue Airways

  • Southwest Airlines

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Cheap round-trip flights to San Francisco County

Prices were available within the past 7 days and start at £351 for one-way flights and £496 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sat, 30 Jan - Fri, 5 Feb
LHR
London
SFO
San Francisco
£496 Return, found 1 hour ago
£496
Return
found 1 hour ago
Select KLM flight, departing Sat, 30 Jan from London to San Francisco, returning Fri, 5 Feb, priced at £496 found 1 hour ago
American Airlines
Tue, 6 Oct - Tue, 13 Oct
LGW
London
SFO
San Francisco
£497 Return, found 2 hours ago
£497
Return
found 2 hours ago
Select American Airlines flight, departing Tue, 6 Oct from London to San Francisco, returning Tue, 13 Oct, priced at £497 found 2 hours ago
Air France
Sat, 30 Jan - Fri, 5 Feb
LHR
London
SFO
San Francisco
£502 Return, found 1 hour ago
£502
Return
found 1 hour ago
Select Air France flight, departing Sat, 30 Jan from London to San Francisco, returning Fri, 5 Feb, priced at £502 found 1 hour ago
Delta
Fri, 30 Oct - Fri, 6 Nov
LHR
London
SFO
San Francisco
£502 Return, found 2 hours ago
£502
Return
found 2 hours ago
Select Delta flight, departing Fri, 30 Oct from London to San Francisco, returning Fri, 6 Nov, priced at £502 found 2 hours ago
Virgin Atlantic
Fri, 12 Feb - Wed, 17 Feb
LHR
London
SFO
San Francisco
£502 Return, just found
£502
Return
just found
Select Virgin Atlantic flight, departing Fri, 12 Feb from London to San Francisco, returning Wed, 17 Feb, priced at £502 just found
Virgin Atlantic
Sat, 30 Jan - Fri, 5 Feb
LHR
London
SFO
San Francisco
£510 Return, found 1 hour ago
£510
Return
found 1 hour ago
Select Virgin Atlantic flight, departing Sat, 30 Jan from London to San Francisco, returning Fri, 5 Feb, priced at £510 found 1 hour ago
Swiss International Air Lines
Mon, 14 Sept - Mon, 21 Sept
LGW
London
SFO
San Francisco
£510 Return, found 2 hours ago
£510
Return
found 2 hours ago
Select Swiss International Air Lines flight, departing Mon, 14 Sept from London to San Francisco, returning Mon, 21 Sept, priced at £510 found 2 hours ago
Delta
Fri, 23 Oct - Tue, 27 Oct
LHR
London
OAK
Oakland
£513 Return, found 16 hours ago
£513
Return
found 16 hours ago
Select Delta flight, departing Fri, 23 Oct from London to Oakland, returning Tue, 27 Oct, priced at £513 found 16 hours ago
KLM
Fri, 28 Aug - Sat, 19 Sept
LHR
London
SJC
San Jose
£513 Return, found 1 day ago
£513
Return
found 1 day ago
Select KLM flight, departing Fri, 28 Aug from London to San Jose, returning Sat, 19 Sept, priced at £513 found 1 day ago
Iberia
Tue, 16 Mar - Wed, 24 Mar
LHR
London
SFO
San Francisco
£514 Return, found 1 day ago
£514
Return
found 1 day ago
Select Iberia flight, departing Tue, 16 Mar from London to San Francisco, returning Wed, 24 Mar, priced at £514 found 1 day ago

Airports in San Francisco County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest option available. Flights from £564
SFO
San Francisco Intl.
Cheapest
Flights from £564

Trending flights to San Francisco County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sat, 30 Jan - Fri, 5 Feb
LHR
London
SFO
San Francisco
£496 Return, found 1 hour ago
£496
Return
found 1 hour ago
Select KLM flight, departing Sat, 30 Jan from London to San Francisco, returning Fri, 5 Feb, priced at £496 found 1 hour ago

Frequently asked questions

How do I find cheap flights to San Francisco County that have flexible change policies?
We know that travel schedules can change from one minute to the next, so reserving a flexible airfare with Expedia is always a wise idea. Simply click on "No change fee" directly under the "Flexible change policies" filter. Your low-cost, flexible flight to San Francisco County is just a few clicks away.
Which airlines fly to San Francisco County?
Find a seat with one of these airlines and dynamic San Francisco County will be all yours to explore:

  • United Airlines - 5,914 flights to or near San Francisco County each month, including 5,914 flights to San Francisco Intl. Airport (SFO) per month.
  • Alaska Airlines - 2,349 flights to or near San Francisco County each month, including 2,349 flights to San Francisco Intl. Airport (SFO) per month.
  • Delta Air Lines - 1,222 flights to or near San Francisco County each month, including 1,222 flights to San Francisco Intl. Airport (SFO) per month.

How can I find cheap tickets to San Francisco County?
For an amazing deal to San Francisco County, book well ahead of time. Also consider using Expedia's handy "flexible dates" feature at the top of your search results. This will show you prices for the days around your travel dates. In the last seven days, £496 was the best price for a flight to San Francisco County.
How much is a flight to San Francisco County?
The cost of a round-trip journey to San Francisco County in the last seven days ranged between £496 and £514. If you were travelling one way from London (LGW), you could have landed an affordable fare from only £351.
What are the most popular airports to fly into in San Francisco County?
A major gateway to San Francisco County, about 11,935 flights land at San Francisco Intl. Airport (SFO) every month. Look for a great deal, reserve your seat and prepare to enjoy the best of this popular region.
When is the cheapest time to fly to San Francisco County?
If you're not set on what day you travel to San Francisco County, leave earlier in the week. The most affordable day to take off is generally Tuesday, followed by Monday. Saturday is typically the priciest day, with lots of holiday makers choosing to take off on the weekend.
How much is a plane ticket to San Francisco County?
In the last seven days, journeys to San Francisco County varied between £496 and £514. Prices generally depend on the departure time, seating class, airline and how early the fare is booked.
What months are the cheapest to book a flight to San Francisco County?
February is the most affordable month to lock in a seat for your San Francisco County escape. Tickets cost the most during the festive month of December, so keep clear of this time if possible.

Book with confidence

Top tips for booking flights to San Francisco County from UK

Get ready to fly to San Francisco County

Prepare your luggage and book your flights to San Francisco County with Expedia. We offer a seamless flight booking experience, with a wide range of San Francisco County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to San Francisco County in 2026, we are always available to assist you. Book your flights to San Francisco County today and let the adventure begin!

Find the best tickets to San Francisco County

To find some of the best tickets to San Francisco County in 2026, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to San Francisco County or last-minute flights to San Francisco County, you can filter and sort your search results, making it easy to find the ideal flight to San Francisco County.

Airlines fly to San Francisco County

There are 20 different airlines that fly to San Francisco County including some of the most trusted names in the business. To book flights to San Francisco County with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best San Francisco County plane tickets.

Find the cheapest flights to San Francisco County

By booking early you may find some of the best deals for San Francisco County flights from the UK, including San Francisco County direct flights. You can usually find affordable and cheap flights to San Francisco County, whether one-way from £351 or round-trip from £496, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to San Francisco County

Try searching for different San Francisco County airports with Expedia to find some of the cheapest flights to San Francisco County. Flights from London (LGW) to San Jose (SJC) usually have the lowest price from £351.

Why book your flights to San Francisco County with Expedia

Expedia offers great deals on San Francisco County air fares from £351 to cater to every budget. Not only is Expedia one of the top platforms to book flights to San Francisco County from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.

 

*Prices and availability are subject to change. Additional terms apply.

Top tips for booking flights to San Francisco County from UK

Travel information

San Francisco County Flights Information

Airlines serving
American Airlines, Swiss International Air Lines, Aer Lingus, Lufthansa, United, British Airways, KLM, Air France, Delta, Virgin Atlantic, Iberia
Roundtrip price
from £496
San Francisco County Flights Information

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