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Cheap flights from San Francisco Bay Area to Belfast from £312

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 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BHD
23 Nov — 30 Nov1
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 24 October 2025.

Round-trip from

£514

One-way from

£312

Popular in

January

Cheapest in

April

Average price

£488
Virgin Atlantic
  • Virgin Atlantic
  • 3/12-7/12
  • 2 total stops
  • 32h 15m total
  • San Francisco Bay Area to Belfast
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British Airways
  • British Airways
  • 22/11
  • 2 total stops
  • 30h 40m total
  • San Francisco Bay Area to Belfast
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£99 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 24 October 2025.

Wed 3/1213:55SFO - BHD
1 stop18h 55mVirgin Atlantic
Sun 7/1206:30BHD - SFO
1 stop13h 20mVirgin Atlantic
Deal found 22/10£514
Wed 3/1210:30SFO - BHD
2 stops22h 20mDelta
Sun 7/1217:20BHD - SFO
1 stop26h 30mDelta
Deal found 23/10£517
Wed 12/1112:50SJC - BHD
2 stops20h 00mVirgin Atlantic
Sun 16/1117:20BHD - SJC
2 stops37h 36mVirgin Atlantic
Deal found 23/10£525
Sat 15/1110:30SFO - BHD
2 stops26h 30mDelta
Sat 22/1106:30BHD - SFO
1 stop13h 20mDelta
Deal found 23/10£540
Sat 15/1113:55SFO - BHD
1 stop18h 55mMultiple Airlines
Sat 22/1117:20BHD - SFO
1 stop26h 30mMultiple Airlines
Deal found 23/10£625
Sun 26/1015:50SFO - BHD
2 stops19h 50mBritish Airways
Fri 31/1006:45BHD - SFO
1 stop20h 00mBritish Airways
Deal found 24/10£919
Wed 29/1005:55OAK - BHD
2 stops27h 55mDelta
Sun 2/1117:20BHD - OAK
2 stops30h 51mDelta
Deal found 22/10£971
Fri 31/1011:05OAK - BHD
2 stops16h 25mBritish Airways
Tue 4/1117:15BHD - OAK
2 stops38h 44mBritish Airways
Deal found 23/10£1,071
Sun 26/1007:30SFO - BHD
3 stops30h 25mMultiple Airlines
Fri 31/1017:20BHD - SFO
2 stops30h 15mMultiple Airlines
Deal found 24/10£1,217
Sun 26/1009:50SJC - BHD
2 stops24h 00mDelta
Fri 31/1006:30BHD - SJC
2 stops19h 25mDelta
Deal found 24/10£1,418
Sun 26/1014:49OAK - BHD
2 stops19h 01mBritish Airways
Fri 31/1006:45BHD - OAK
2 stops24h 14mBritish Airways
Deal found 24/10£1,553
Sun 26/1013:00SJC - BHD
2 stops17h 15mBritish Airways
Fri 31/1017:40BHD - SJC
2 stops35h 26mBritish Airways
Deal found 24/10£1,994

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 24 October 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

18:30-16:45

1 stop15h 15m

Belfast City

Tue 31/3

06:35-13:50

1 stop15h 15m

£479

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

10:24-10:30

2 stops17h 06m

Belfast City

Tue 31/3

06:35-17:40

1 stop19h 05m

£487

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 3/12

13:55-16:50

1 stop18h 55m

Belfast City

Sun 7/12

17:20-11:50

1 stop26h 30m

£514

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 3/12

13:55-16:50

1 stop18h 55m

Belfast City

Sun 7/12

06:30-11:50

1 stop13h 20m

£514

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 12/11

12:50-16:50

2 stops20h 00m

Belfast City

Sun 16/11

17:20-22:56

2 stops37h 36m

£525

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 15/11

09:49-16:50

2 stops23h 01m

Belfast City

Sun 23/11

06:30-11:50

1 stop13h 20m

£540

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Thu 2/4

11:35-21:20

2 stops25h 45m

Belfast City

Mon 6/4

17:25-21:06

2 stops35h 41m

£583

Santa RosaBelfast

STS - BHD

STSBHD

Santa Rosa Sonoma County

Sun 5/4

07:00-14:40

2 stops23h 40m

Belfast City

Thu 9/4

09:35-23:41

2 stops22h 06m

£1,139

San JoseBelfast

SJC - BFS

SJCBFS

San Jose

Tue 4/11

09:32-17:55

3 stops24h 23m

Belfast Intl

Fri 7/11

06:30-23:00

3 stops24h 30m

£2,993

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 22/11

23:15-13:55

2 stops30h 40m

£312

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 13 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 £440). Flying from San Francisco Bay Area to Belfast in January is currently the most expensive (average of £1,004). 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 15h 15m. The time it takes to get you to your destination can typically vary by up to 3h 40m. 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 City, Oakland - 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, April is the cheapest month in which you can book a flight from San Francisco Bay Area to Belfast (average of £440). Flying from San Francisco Bay Area to Belfast in January is currently the most expensive (average of £1,004). 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

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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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