Cheap Flights from Belfast (BFS) to San Francisco (SFO)

Popular airlines from Belfast International Airport (BFS) to San Francisco International Airport (SFO)

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Flight from Belfast to San Francisco route information
Origin airport
George Best Belfast City
Destination airport
San Francisco Intl.
Return price
£497
Distance
8066 km

Compare flights from Belfast to San Francisco easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Belfast to San Francisco. Operating between them flights per day, airlines cover the route. And fly direct, getting you to San Francisco Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Belfast Intl. to San Francisco Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Belfast Intl. (BFS) to San Francisco Intl. (SFO)

The easiest way to view the best deals on flights from Belfast to San Francisco today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Belfast Intl. to San Francisco Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Belfast and San Francisco
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Belfast to San Francisco flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Belfast Intl. to San Francisco Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Belfast International Airport to San Francisco Airport?
The lowest price advertised for a round-trip flight between BFS and SFO is . But you better get moving. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BFS to San Francisco Intl. Airport (SFO)?
Most flights can be conveniently cancelled online, but whether you are charged a fee varies between airlines. If you do have to cancel your getaway, follow the instructions in the Customer Service Portal.
How do I find cheap flights from BFS to SFO that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Belfast International Airport to San Francisco Intl. Airport (SFO) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Belfast Intl. Airport (BFS) to San Francisco Airport?
With around 8,100 kilometres separating Crumlin and San Francisco, your flight will be a long one. Pack wisely and make your trip comfortable. Little things like warm clothing and a cosy travel pillow should be in your carry-on bag.
Which airlines fly direct from Belfast Intl. Airport (BFS) to San Francisco Airport?
Direct flights aren't available, so you'll have to make at least one stop between Belfast International Airport and San Francisco Airport. Use the layover time to stretch your legs and grab a coffee.
Are BFS to San Francisco Airport flight tickets cheaper when they're purchased at the last minute?
Tickets from Belfast Intl. Airport (BFS) to SFO are available up to a year prior to departure on Expedia. And although you may occasionally score fantastic last-minute deals, it's never a sure thing. Also, booking your flights in advance means you'll have more choices — and you can avoid ending up with the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

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