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Cheap flights from San Francisco to Belfast City Airport from £251

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BHD
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap 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 18 September 2025.

Round-trip from

£463

One-way from

£251

Popular in

July

Cheapest in

October

Average price

£561
Delta
  • Delta
  • 28/9-7/10
  • 2 total stops
  • 36h 45m total
  • San Francisco to Belfast
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9/10
  • 9/10
  • 3 total stops
  • 40h 20m total
  • San Francisco to Belfast
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£165 potential increase over avg. return price).
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Cheapest flight prices on average. 9% potential price decrease (£45 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from San Francisco to Belfast City

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 18 September 2025.

Wed 24/913:45SFO - BHD
1 stop23h 30mDelta
Mon 6/1017:25BHD - SFO
1 stop26h 20mDelta
Deal found 16/9£463
Mon 20/1014:10SFO - BHD
2 stops17h 30mAmerican Airlines
Fri 31/1006:45BHD - SFO
2 stops19h 23mAmerican Airlines
Deal found 16/9£473
Wed 3/1213:55SFO - BHD
1 stop23h 05mDelta
Sun 7/1217:20BHD - SFO
1 stop26h 30mDelta
Deal found 17/9£492
Wed 24/913:45SFO - BHD
1 stop23h 30mDelta
Thu 2/1006:30BHD - SFO
2 stops18h 48mDelta
Deal found 16/9£498
Thu 25/913:45SFO - BHD
1 stop23h 30mDelta
Tue 7/1006:30BHD - SFO
1 stop13h 15mDelta
Deal found 16/9£500
Fri 5/1213:55SFO - BHD
1 stop18h 55mVirgin Atlantic
Tue 9/1217:20BHD - SFO
1 stop26h 30mVirgin Atlantic
Deal found 17/9£500
Fri 26/913:15SFO - BHD
2 stops24h 00mDelta
Fri 3/1006:30BHD - SFO
2 stops19h 17mDelta
Deal found 16/9£511

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 18 September 2025.
Use the filters below to find and compare flights from San Francisco to Belfast City Airport that are best for you.

Fly from

San Francisco

Fly to

Belfast City

Route

Depart

Return

Price

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 29/9

13:45-16:55

1 stop19h 10m

Belfast City

Mon 6/10

17:25-11:45

1 stop26h 20m

£463

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 20/10

13:45-16:55

1 stop19h 10m

Belfast City

Fri 31/10

06:30-12:50

1 stop13h 20m

£463

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 30/9

13:45-21:15

1 stop23h 30m

Belfast City

Tue 7/10

17:25-11:45

1 stop26h 20m

£463

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 29/9

13:45-21:15

1 stop23h 30m

Belfast City

Tue 7/10

17:25-11:45

1 stop26h 20m

£463

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 30/9

13:45-21:15

2 stops23h 30m

Belfast City

Mon 6/10

17:25-11:45

1 stop26h 20m

£467

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 28/9

10:30-16:55

2 stops22h 25m

Belfast City

Mon 6/10

17:25-11:45

1 stop26h 20m

£467

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 3/12

13:55-21:00

1 stop23h 05m

Belfast City

Sun 7/12

17:20-11:50

1 stop26h 30m

£492

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Thu 9/10

10:15-10:35

3 stops40h 20m

£251

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 27/9

06:00-09:20

2 stops43h 20m

£275

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Thu 9/10

13:45-21:15

1 stop23h 30m

£318

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 13 results
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Belfast City Airport

What’s the top stopover airport for flights from San Francisco to Belfast City Airport?

Share of one-stop return flights from San Francisco to Belfast City Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

London (LHR) – chosen by Cheapflights users on 50% of one-stop itineraries from San Francisco to Belfast City Airport on Cheapflights.

What’s the fastest stopover option from San Francisco to Belfast City Airport?

Shortest average travel time for one-stop one-way flights from San Francisco to Belfast City Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via London (LHR) have the shortest average one-way travel time for one-stop routes: 14h 55m.

What’s the fastest stopover option from San Francisco to Belfast City Airport?

Shortest average travel time for one-stop one-way flights from San Francisco to Belfast City Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via London (LHR) have the shortest average one-way travel time for one-stop routes: 14h 55m.

Which airport typically offers the quickest stopover for flights from San Francisco to Belfast City Airport?

Average stopover duration for one-stop one-way flights from San Francisco to Belfast City Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via London (LHR) offer the fastest connection on this route, with an average stopover time of 2h 48m.

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 11.8 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 19h 10m. Delta provides one of the quickest options available for as low as £463. 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.

  • What is the cheapest month to book a flight from San Francisco to Belfast City Airport?

    Currently, April is the cheapest month in which you can book a flight from San Francisco to Belfast City Airport (average of £98). Flying from San Francisco to Belfast City Airport in December is currently the most expensive (average of £116). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Newcastle
Bangor
Carrickfergus

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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