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Cheap flights from Belfast City Airport to San Francisco Bay Area from £344

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SFO
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast City to San Francisco Bay Area

Enter your travel dates to find the best prices.

Cheapest flights from Belfast City to San Francisco Bay Area
Explore the most affordable flight options available from Belfast City to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 August 2026.

Sun 30/819:10 -
1 stop26h 40m
Sun 6/909:12 -
2 stops17h 18m
Deal found 2/8£637
Tue 1/906:30 -
1 stop15h 20m
Tue 8/919:30 -
1 stop16h 10m
Deal found 4/8£642
Fri 4/906:30 -
1 stop15h 20m
Mon 7/919:30 -
1 stop15h 55m
Deal found 1/8£657
Fri 4/906:30 -
1 stop15h 20m
Sat 19/913:29 -
2 stops17h 36m
Deal found 2/8£658
Sat 29/817:30 -
1 stop26h 15m
Sat 5/913:45 -
1 stop35h 35m
Deal found 1/8£673
Tue 1/917:30 -
2 stops35h 32m
Tue 8/909:55 -
2 stops39h 25m
Deal found 4/8£674
Fri 4/909:50 -
2 stops21h 57m
Sat 19/909:59 -
2 stops22h 56m
Deal found 2/8£677
Sat 29/809:50 -
2 stops22h 09m
Sat 5/913:45 -
1 stop35h 35m
Deal found 1/8£679
Thu 3/1211:05 -
1 stop15h 40m
Mon 7/1211:24 -
2 stops20h 41m
Deal found 30/7£684

Find flight deals from Belfast City to San Francisco Bay Area

Keep the following information in mind while searching for Belfast City to San Francisco Bay Area flight deals. Data was last updated 4 August 2026.

Round-trip from

£637

One-way from

£344

Popular in

March

Cheapest in

May

Average price

£784
British Airways
  • British Airways
  • 30/8-6/9
  • 3 total stops
  • 43h 58m total
  • Belfast to San Francisco Bay Area
Search Deals
2/9
  • 2/9
  • 3 total stops
  • 30h 00m total
  • Belfast to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£115 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£42 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast City to San Francisco Bay Area 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 4 August 2026.
Use the filters below to find and compare flights from Belfast City Airport to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 4/9

06:30-13:50

1 stop15h 20m

San Francisco

Sat 19/9

13:29-15:05

2 stops17h 36m

£658

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 1/9

17:30-21:02

2 stops35h 32m

San Francisco

Tue 8/9

09:55-09:20

2 stops39h 25m

£674
Fastest return journey

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/12

07:40-14:55

1 stop15h 15m

San Francisco

Mon 7/12

17:25-18:35

1 stop17h 10m

£684

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 14/10

06:30-13:50

1 stop15h 20m

San Francisco

Sun 18/10

06:00-10:30

2 stops20h 30m

£687
Cheapest one-way

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 2/9

10:15-12:20

2 stops58h 05m

£429

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Sat 5/9

17:30-11:45

1 stop26h 15m

£737

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/9

17:30-11:45

1 stop26h 15m

£737

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 1/9

17:30-11:45

1 stop26h 15m

£737

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 31/8

17:30-11:45

1 stop26h 15m

£737

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Sun 30/8

17:30-11:45

1 stop26h 15m

£971

Flights are sorted by cheapest return flights first.

Deals found on 3/8

Showing 1-10 of 15 resultsSorted by cheapest first
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Best time to book a flight from Belfast City to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Belfast City 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 Belfast City Airport to San Francisco Bay Area

No data available for this route at this time. Please check back soon.

Related info for your journey

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

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

    Airlines like British Airways and Virgin Atlantic fly from Belfast City Airport to San Francisco Bay Area in about 15h 20m. The time it takes to get you to your destination can typically vary by up to 20h 12m. The distance between Belfast City Airport and San Francisco Bay Area is about 5038 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast City to San Francisco Bay Area 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

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Cheapflights makes it easy to find Belfast City to San Francisco Bay Area flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast City to San Francisco Bay Area for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to San Francisco Bay Area from Belfast City shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Belfast City to San Francisco Bay Area flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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