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Cheap flights from San Francisco Bay Area to Northern Ireland from £234

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BFS
19 May — 26 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco Bay Area to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco Bay Area to Northern Ireland
Explore the most affordable flight options available from San Francisco Bay Area to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 April 2026.

Tue 1/920:05
SJC
-
BHD
2 stops36h 50m
Virgin Atlantic
Thu 10/909:50
BHD
-
SJC
2 stops44h 19m
Virgin Atlantic
Deal found 17/4£631
Sun 6/1220:40
SFO
-
BHD
1 stop15h 35m
British Airways
Thu 10/1220:00
BHD
-
SFO
1 stop27h 00m
British Airways
Deal found 13/4£646
Wed 9/916:35
SFO
-
BHD
1 stop19h 15m
British Airways
Wed 23/910:05
BHD
-
SFO
1 stop15h 25m
British Airways
Deal found 17/4£651
Wed 9/913:29
SFO
-
BHD
2 stops18h 11m
American Airlines
Wed 23/910:05
BHD
-
SFO
2 stops21h 09m
American Airlines
Deal found 17/4£657
Sun 13/916:35
SFO
-
BHD
1 stop17h 05m
British Airways
Sat 19/907:05
BHD
-
SFO
1 stop14h 45m
British Airways
Deal found 16/4£670
Sun 2/816:35
SFO
-
BHD
1 stop17h 05m
Multiple Airlines
Thu 13/812:45
BHD
-
SFO
2 stops19h 27m
Multiple Airlines
Deal found 15/4£672
Tue 1/916:35
SFO
-
BHD
1 stop14h 45m
British Airways
Thu 10/920:35
BHD
-
SFO
1 stop25h 15m
British Airways
Deal found 17/4£674
Sun 2/816:04
SFO
-
BHD
2 stops18h 41m
British Airways
Thu 13/809:35
BHD
-
SFO
2 stops19h 38m
British Airways
Deal found 15/4£683
Thu 10/919:30
SFO
-
BHD
1 stop15h 55m
British Airways
Mon 14/919:35
BHD
-
SFO
1 stop26h 15m
British Airways
Deal found 16/4£689
Sun 13/916:35
SFO
-
BHD
1 stop17h 05m
Multiple Airlines
Sat 19/907:05
BHD
-
SFO
2 stops21h 23m
Multiple Airlines
Deal found 16/4£692
Mon 23/1117:30
SFO
-
BHD
1 stop14h 35m
British Airways
Sun 29/1106:30
BHD
-
SFO
1 stop16h 30m
British Airways
Deal found 18/4£694
Wed 9/912:55
SJC
-
BHD
2 stops22h 55m
British Airways
Wed 23/914:35
BHD
-
SJC
2 stops39h 21m
British Airways
Deal found 17/4£745

Find flight deals from San Francisco Bay Area to Northern Ireland

Keep the following information in mind while searching for San Francisco Bay Area to Northern Ireland flight deals. Data was last updated 19 April 2026.

Round-trip from

£631

One-way from

£234

Popular in

June

Cheapest in

February
Virgin Atlantic
  • Virgin Atlantic
  • 1/9-10/9
  • 4 total stops
  • 81h 09m total
  • San Francisco Bay Area to Northern Ireland
Search Deals
British Airways
  • British Airways
  • 9/8
  • 2 total stops
  • 18h 59m total
  • San Francisco Bay Area to Northern Ireland
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco Bay Area to Northern Ireland 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 19 April 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 1/9

20:05-16:55

2 stops36h 50m

Belfast City

Thu 10/9

09:50-22:09

2 stops44h 19m

£631
Fastest return journey

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 9/9

16:35-19:50

1 stop19h 15m

Belfast City

Wed 23/9

10:05-17:30

1 stop15h 25m

£651

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 1/9

16:35-15:20

1 stop14h 45m

Belfast City

Thu 10/9

20:35-13:50

1 stop25h 15m

£674

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 2/8

16:04-18:45

2 stops18h 41m

Belfast City

Thu 13/8

09:35-21:13

2 stops19h 38m

£683

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Thu 10/9

19:30-19:25

1 stop15h 55m

Belfast City

Mon 14/9

11:35-13:50

1 stop34h 15m

£689

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 9/9

12:55-19:50

2 stops22h 55m

Belfast City

Wed 23/9

14:35-21:56

2 stops39h 21m

£745

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 16/5

16:35-15:05

1 stop14h 30m

Belfast City

Mon 25/5

18:30-13:50

1 stop27h 20m

£768

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 5/5

13:40-15:20

2 stops17h 40m

Belfast City

Thu 5/11

09:05-20:14

2 stops19h 09m

£771

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sun 13/9

12:55-18:45

2 stops21h 50m

Belfast City

Sat 19/9

19:05-21:56

2 stops34h 51m

£783

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sun 16/8

12:42-18:45

2 stops22h 03m

Belfast City

Thu 20/8

09:35-22:11

2 stops20h 36m

£805

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 36 resultsSorted by cheapest first
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Best time to book a flight from San Francisco Bay Area to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland 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 Northern Ireland
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 San Francisco Bay Area to Northern Ireland. 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 Northern Ireland?

    Virgin Atlantic and British Airways can get you from San Francisco Bay Area to Northern Ireland in just under 19h 15m. Your travel time can differ by up to 17h 35m. The distance between San Francisco Bay Area and Northern Ireland is about 5038 mi. This flight may include one or multiple stops.

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

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

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

    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 Northern Ireland.

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

    Yes. Cheapflights offers flight deals from San Francisco Bay Area to Northern Ireland 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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How does Cheapflights help users find flights from San Francisco Bay Area to Northern Ireland?

Deals for San Francisco Bay Area to Northern Ireland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from San Francisco Bay Area to Northern Ireland 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 San Francisco Bay Area to Northern Ireland with no change fees?

Need flexible booking options for your flight to Northern Ireland from San Francisco Bay Area? 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 Bay Area to Northern Ireland become cheaper?

Yes, Cheapflights offers price alerts on San Francisco Bay Area to Northern Ireland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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