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Cheap flights from San Francisco Bay Area to Belfast from £247

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BHD
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco Bay Area to Belfast

Keep the following information in mind while searching for San Francisco Bay Area to Belfast flight deals. Data was last updated 7 November 2025.

Round-trip from

£481

One-way from

£247

Popular in

January

Cheapest in

April

Average price

£788
British Airways
  • British Airways
  • 24/3-31/3
  • 2 total stops
  • 28h 35m total
  • San Francisco Bay Area to Belfast
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15/3
  • 15/3
  • 2 total stops
  • 30h 35m total
  • San Francisco Bay Area to Belfast
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£103 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find flight deals from San Francisco Bay Area to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco Bay Area to Belfast
Explore the most affordable flight options available from San Francisco Bay Area to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Sun 16/1113:55SFO - BHD
1 stop23h 05mDelta
Tue 25/1117:20BHD - SFO
1 stop26h 30mDelta
Deal found 6/11£497
Wed 3/1213:55SFO - BHD
1 stop18h 55mDelta
Sun 7/1206:30BHD - SFO
1 stop13h 20mDelta
Deal found 6/11£520
Mon 17/1113:55SFO - BHD
1 stop18h 55mDelta
Mon 24/1106:30BHD - SFO
1 stop13h 20mDelta
Deal found 5/11£521
Mon 17/1111:55SFO - BHD
2 stops25h 05mDelta
Sun 23/1117:20BHD - SFO
1 stop26h 30mDelta
Deal found 5/11£524
Thu 13/1105:55OAK - BHD
2 stops26h 55mDelta
Mon 17/1117:20BHD - OAK
2 stops30h 51mDelta
Deal found 6/11£532
Wed 12/1112:50SJC - BHD
2 stops20h 00mDelta
Sun 16/1117:20BHD - SJC
2 stops37h 36mDelta
Deal found 5/11£532
Sat 15/1117:00SFO - BHD
2 stops19h 30mAmerican Airlines
Sat 22/1106:35BHD - SFO
2 stops19h 49mAmerican Airlines
Deal found 7/11£536
Sat 15/1113:55SFO - BHD
1 stop23h 05mKLM
Sun 23/1117:20BHD - SFO
1 stop26h 30mKLM
Deal found 6/11£542
Thu 4/1210:15SFO - BFS
3 stops27h 50mMultiple Airlines
Thu 11/1206:00BFS - SFO
3 stops42h 05mMultiple Airlines
Deal found 6/11£561
Thu 13/1105:55OAK - BHD
2 stops26h 55mKLM
Mon 17/1117:20BHD - OAK
2 stops30h 51mKLM
Deal found 5/11£571
Tue 18/1113:00SFO - BFS
2 stops41h 05mMultiple Airlines
Tue 25/1117:30BFS - SFO
1 stop34h 40mMultiple Airlines
Deal found 6/11£631
Mon 17/1116:35SFO - BFS
2 stops21h 05mMultiple Airlines
Tue 25/1117:30BFS - SFO
1 stop34h 40mMultiple Airlines
Deal found 6/11£687

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco Bay Area to Belfast 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 7 November 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Belfast that are best for you.

Fly from

San Francisco Bay Area

Fly to

Belfast

Route

Depart

Return

Price

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

18:30-14:50

1 stop13h 20m

Belfast City

Tue 31/3

06:35-13:50

1 stop15h 15m

£481

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 16/3

21:40-20:15

1 stop15h 35m

Belfast City

Tue 24/3

08:45-16:00

1 stop14h 15m

£482

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

10:24-10:30

2 stops17h 06m

Belfast City

Tue 31/3

06:35-13:50

1 stop15h 15m

£493

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 18/11

13:55-21:00

1 stop23h 05m

Belfast City

Wed 26/11

06:30-11:50

1 stop13h 20m

£497

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 17/11

13:55-16:50

1 stop18h 55m

Belfast City

Wed 26/11

06:30-11:50

1 stop13h 20m

£497

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 17/11

13:55-21:00

1 stop23h 05m

Belfast City

Tue 25/11

17:20-11:50

1 stop26h 30m

£497

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 18/11

13:55-21:00

1 stop23h 05m

Belfast City

Thu 27/11

06:30-11:50

1 stop13h 20m

£497

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 18/11

13:55-21:00

1 stop23h 05m

Belfast City

Tue 25/11

17:20-11:50

1 stop26h 30m

£497

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

10:24-11:30

2 stops18h 06m

Belfast City

Tue 31/3

06:35-18:42

2 stops20h 07m

£499

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Thu 2/4

13:50-21:20

2 stops23h 30m

Belfast City

Mon 6/4

17:25-21:06

2 stops35h 41m

£548

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 31 results
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Best time to book a flight from San Francisco Bay Area to Belfast

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

What is the cheapest month to book a flight from San Francisco Bay Area to Belfast?

Currently, April is the cheapest month in which you can book a flight from San Francisco Bay Area to Belfast (average of £448). Flying from San Francisco Bay Area to Belfast in January is currently the most expensive (average of £1,023). 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.

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to Belfast. 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 San Francisco Bay Area to Belfast?

    Airlines like British Airways, Delta, and Virgin Atlantic fly from San Francisco Bay Area to Belfast in about 13h 20m. The time it takes to get you to your destination can typically vary by up to 10h 10m. Airlines will cover a distance of 5038 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from San Francisco Bay Area to Belfast?

    When deciding which route to take from San Francisco Bay Area to Belfast consider San Francisco - Belfast Intl, San Francisco - Belfast City or Oakland - Belfast City as they are the most popular.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from San Francisco Bay Area to Belfast (average of £448). Flying from San Francisco Bay Area to Belfast in January is currently the most expensive (average of £1,023). 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

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Alternative routes for San Francisco Bay Area to Belfast

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
San Francisco to Belfast City flights

Fly with Cheapflights

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

When you search for this flight from San Francisco Bay Area to Belfast, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast from San Francisco Bay Area.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco Bay Area to Belfast flexibly with Cheapflights today.

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