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Cheap flights from San Francisco Bay Area to Northern Ireland from £238

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BFS
9 May — 16 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 9 April 2026.

Sun 6/916:35
SFO
-
BHD
1 stop17h 05m
British Airways
Wed 16/920:35
BHD
-
SFO
1 stop25h 15m
British Airways
Deal found 6/4£636
Wed 14/1016:35
SFO
-
BHD
1 stop15h 05m
British Airways
Wed 21/1006:30
BHD
-
SFO
1 stop15h 20m
British Airways
Deal found 9/4£646
Sun 6/1220:40
SFO
-
BHD
1 stop14h 00m
British Airways
Thu 10/1215:05
BHD
-
SFO
1 stop31h 55m
British Airways
Deal found 6/4£648
Sun 11/1016:35
SFO
-
BHD
1 stop14h 00m
British Airways
Tue 20/1006:30
BHD
-
SFO
1 stop15h 20m
British Airways
Deal found 9/4£649
Wed 6/519:30
SFO
-
BHD
1 stop15h 15m
British Airways
Thu 14/520:35
BHD
-
SFO
1 stop25h 15m
British Airways
Deal found 5/4£651
Sun 6/911:22
SFO
-
BHD
2 stops19h 13m
American Airlines
Wed 16/911:35
BHD
-
SFO
2 stops19h 05m
American Airlines
Deal found 6/4£658
Tue 13/1015:50
SFO
-
BHD
2 stops19h 05m
British Airways
Tue 20/1006:30
BHD
-
SFO
1 stop15h 20m
British Airways
Deal found 9/4£663
Wed 18/1117:30
SFO
-
BHD
1 stop15h 05m
British Airways
Mon 30/1119:25
BHD
-
SFO
1 stop27h 35m
British Airways
Deal found 8/4£667
Wed 6/511:52
SFO
-
BHD
2 stops17h 43m
American Airlines
Thu 14/512:45
BHD
-
SFO
2 stops19h 06m
American Airlines
Deal found 5/4£675
Wed 14/1012:02
SJC
-
BHD
2 stops19h 38m
British Airways
Wed 21/1010:05
BHD
-
SJC
2 stops19h 51m
British Airways
Deal found 9/4£691
Thu 7/512:55
SFO
-
BFS
2 stops26h 30m
Multiple Airlines
Thu 14/509:15
BFS
-
SFO
3 stops39h 35m
Multiple Airlines
Deal found 7/4£698
Wed 6/516:18
SJC
-
BHD
2 stops18h 27m
British Airways
Thu 14/512:45
BHD
-
SJC
2 stops18h 14m
British Airways
Deal found 5/4£698

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 9 April 2026.

Round-trip from

£636

One-way from

£238

Popular in

June

Cheapest in

February
British Airways
  • British Airways
  • 6/9-16/9
  • 2 total stops
  • 42h 20m total
  • San Francisco Bay Area to Northern Ireland
Search Deals
British Airways
  • British Airways
  • 12/8
  • 1 total stop
  • 15h 05m total
  • San Francisco Bay Area to Northern Ireland
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 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 9 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 FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 6/9

16:35-17:40

1 stop17h 05m

Belfast City

Wed 16/9

20:35-13:50

1 stop25h 15m

£636

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 6/5

11:52-13:35

2 stops17h 43m

Belfast City

Thu 14/5

12:45-23:51

2 stops19h 06m

£675

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Thu 10/9

16:35-18:45

1 stop18h 10m

Belfast City

Mon 14/9

11:35-13:50

1 stop34h 15m

£698

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Sun 6/9

19:35-23:35

2 stops20h 00m

Belfast Intl

Wed 16/9

08:30-14:30

3 stops38h 00m

£704

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Thu 7/5

07:05-10:10

2 stops19h 05m

Belfast City

Thu 14/5

06:30-17:40

2 stops19h 10m

£713

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 4/8

16:35-17:35

1 stop17h 00m

Belfast City

Sun 16/8

11:00-00:12

2 stops21h 12m

£727

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Thu 7/5

06:30-22:50

3 stops32h 20m

Belfast Intl

Thu 14/5

12:45-16:50

3 stops36h 05m

£757

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 4/8

16:25-18:55

2 stops18h 30m

Belfast City

Sun 16/8

06:30-21:56

2 stops23h 26m

£768
Fastest return journey

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 18/8

16:35-15:20

1 stop14h 45m

Belfast City

Sat 22/8

07:05-13:50

1 stop14h 45m

£786

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Sat 30/5

08:30-21:30

2 stops29h 00m

Belfast Intl

Wed 10/6

08:30-16:35

3 stops40h 05m

£796

Flights are sorted by cheapest return flights first.

Deals found on 5/4

Showing 1-10 of 42 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?

    British Airways and American Airlines can get you from San Francisco Bay Area to Northern Ireland in just under 17h 05m. Your travel time can differ by up to 38m. 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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