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Cheap flights from San Francisco to Belfast City Airport from £647

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BHD
11 Sep — 18 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to Belfast City

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Belfast City
Explore the most affordable flight options available from San Francisco to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 August 2026.

Sun 15/1117:25 -
1 stop17h 15m
Tue 17/1119:25 -
1 stop27h 30m
Deal found 6/8£647
Tue 8/919:30 -
1 stop14h 05m
Tue 15/920:25 -
1 stop25h 25m
Deal found 7/8£663
Sat 31/1022:56 -
2 stops26h 39m
Wed 18/1112:25 -
1 stop14h 20m
Deal found 8/8£673
Tue 11/816:35 -
1 stop14h 45m
Tue 18/819:30 -
1 stop26h 20m
Deal found 9/8£758
Tue 11/814:21 -
2 stops18h 34m
Tue 18/817:30 -
2 stops29h 59m
Deal found 9/8£784
Sun 15/1120:35 -
1 stop15h 40m
Wed 18/1106:35 -
2 stops17h 00m
Deal found 6/8£801

Find flight deals from San Francisco to Belfast City

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Belfast City (BHD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 August 2026.

Round-trip from

£635
British Airways
  • British Airways
  • 20/1-3/2
  • 2 total stops
  • 30h 30m total
  • San Francisco to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco to Belfast City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 August 2026.
Use the filters below to find and compare flights from San Francisco to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Sun 15/11

17:25-18:40

1 stop17h 15m

Belfast City

Wed 18/11

15:40-14:55

1 stop31h 15m

£647

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Sun 15/11

17:25-18:40

1 stop17h 15m

Belfast City

Tue 17/11

19:25-14:55

1 stop27h 30m

£647

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Sun 15/11

20:35-20:15

1 stop15h 40m

Belfast City

Thu 19/11

06:35-14:55

1 stop16h 20m

£647

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Tue 8/9

19:30-17:35

1 stop14h 05m

Belfast City

Tue 15/9

20:25-13:50

1 stop25h 25m

£663
Fastest return journey

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Sat 16/1

20:35-20:30

1 stop15h 55m

Belfast City

Sat 6/2

11:35-18:45

1 stop15h 10m

£706

Flights are sorted by cheapest return flights first.

Deals found on 10/8

Sorted by cheapest first

Best time to book a flight from San Francisco to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from San Francisco with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Belfast City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Francisco to Belfast City?

    Located just 11.0 mi from the city center, San Francisco is the airport most travelers will use when flying to Belfast City from San Francisco. Booking flights from San Francisco (SFO) to Belfast City should be relatively easy as there are 0 daily outbound flights to Belfast City from 0 different airlines.

  • How long is the flight from San Francisco to Belfast City Airport?

    A quick flight from San Francisco to Belfast City Airport can take about 17h 15m. British Airways provides one of the quickest options available for as low as £647. There are 5038 mi between San Francisco and Belfast City Airport.

  • Can I find deals for flights from San Francisco to Belfast City that include hotel bookings?

    Yes. In addition to deals on San Francisco to Belfast City flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Belfast City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Belfast City.

  • Can I find deals for business class flights from San Francisco to Belfast City?

    Yes. Cheapflights offers flight deals from San Francisco to Belfast City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Belfast City Airport?

Book flights to Belfast City Airport if you plan to visit one of these locations
Bangor
Carrickfergus
Newcastle

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Belfast City

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Belfast Intl flights
Los Angeles to Belfast City flights
San Francisco to Belfast Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Belfast City?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco to Belfast City. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Belfast City?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to Belfast City.

Can Cheapflights find flights from San Francisco to Belfast City with no change fees?

Need flexible booking options for your flight to Belfast City from San Francisco? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San Francisco to Belfast City become cheaper?

Of course! You can now track prices for flights from San Francisco to Belfast City and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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