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Cheap flights from San Francisco Bay Area to Belfast from £476

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BHD
1 Sep — 8 Sep1
1 adult

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 27 August 2025.

Round-trip from

£476

Popular in

January

Cheapest in

October

Average price

£574
21/10-29/10
  • 21/10-29/10
  • 3 total stops
  • 34h 08m total
  • San Francisco Bay Area to Belfast
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£88 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from San Francisco Bay Area to Belfast

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 27 August 2025.

Tue 21/1019:20SFO - BHD
1 stop16h 05mMultiple Airlines
Wed 29/1012:25BHD - SFO
2 stops18h 03mMultiple Airlines
Deal found 26/8£476
Tue 21/1010:55SFO - BHD
2 stops18h 05mAmerican Airlines
Wed 29/1006:35BHD - SFO
2 stops20h 20mAmerican Airlines
Deal found 26/8£478
Tue 21/1019:20SFO - BHD
1 stop14h 10mBritish Airways
Wed 29/1006:35BHD - SFO
1 stop16h 25mBritish Airways
Deal found 26/8£525
Tue 26/811:40SFO - BHD
2 stops25h 25mDelta
Tue 2/906:30BHD - SFO
1 stop13h 15mDelta
Deal found 24/8£528
Tue 7/1016:20SFO - BFS
3 stops20h 55mMultiple Airlines
Tue 14/1007:25BFS - SFO
3 stops39h 10mMultiple Airlines
Deal found 24/8£535
Wed 3/1213:55SFO - BHD
1 stop23h 05mDelta
Sun 7/1217:20BHD - SFO
1 stop26h 30mDelta
Deal found 25/8£546
Wed 3/1213:55SFO - BHD
1 stop23h 05mVirgin Atlantic
Sun 7/1217:20BHD - SFO
1 stop26h 30mVirgin Atlantic
Deal found 26/8£548
Wed 8/1014:21SJC - BHD
2 stops18h 34mDelta
Sun 12/1017:25BHD - SJC
2 stops33h 56mDelta
Deal found 25/8£557
Wed 8/1006:00SJC - BHD
2 stops25h 35mAmerican Airlines
Sun 12/1013:00BHD - SJC
2 stops35h 54mAmerican Airlines
Deal found 24/8£648
Sat 11/1008:00SJC - BHD
2 stops20h 15mBritish Airways
Fri 17/1020:05BHD - SJC
2 stops28h 48mBritish Airways
Deal found 26/8£762
Tue 26/808:00SJC - BHD
2 stops18h 35mFinnair
Tue 2/920:20BHD - SJC
2 stops32h 48mFinnair
Deal found 24/8£1,040
Thu 18/1217:30SFO - BFS
1 stop16h 05mMultiple Airlines
Tue 6/105:45BFS - SFO
2 stops41h 25mMultiple Airlines
Deal found 24/8£1,047

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 27 August 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 21/10

19:20-19:25

1 stop16h 05m

Belfast City

Wed 29/10

12:25-23:28

2 stops18h 03m

£476

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 21/10

10:55-13:00

2 stops18h 05m

Belfast City

Wed 29/10

06:35-19:55

2 stops20h 20m

£478

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 21/10

19:20-17:30

1 stop14h 10m

Belfast City

Wed 29/10

06:35-16:00

1 stop16h 25m

£525

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 7/10

16:20-21:15

3 stops20h 55m

Belfast Intl

Tue 14/10

07:25-14:35

3 stops39h 10m

£535

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 3/12

13:55-21:00

1 stop23h 05m

Belfast City

Sun 7/12

06:30-11:50

1 stop13h 20m

£546

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

£546

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 8/10

14:21-16:55

2 stops18h 34m

Belfast City

Sun 12/10

17:25-19:21

2 stops33h 56m

£557

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 8/10

06:00-15:35

2 stops25h 35m

Belfast City

Sun 12/10

13:00-16:54

2 stops35h 54m

£648

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sat 11/10

08:00-12:15

2 stops20h 15m

Belfast City

Fri 17/10

20:05-16:53

2 stops28h 48m

£762

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Thu 18/12

17:30-17:35

1 stop16h 05m

Belfast Intl

Tue 6/1

05:45-15:10

2 stops41h 25m

£1,047

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 15 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, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Belfast (average of £67). Flying from San Francisco Bay Area to Belfast in July is currently the most expensive (average of £90). 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 American Airlines, British Airways, and Virgin Atlantic fly from San Francisco Bay Area to Belfast in about 14h 10m. The time it takes to get you to your destination can typically vary by up to 8h 55m. 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 San Jose - Belfast Intl 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, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Belfast (average of £67). Flying from San Francisco Bay Area to Belfast in July is currently the most expensive (average of £90). 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.
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Los Angeles to Belfast City flights
San Francisco to Belfast Intl flights
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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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