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Cheap flights from San Francisco Bay Area to Northern Ireland from £468

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BFS
3 tammi — 10 tammi1
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 4 joulukuu 2025.

la 6/1214:00SFO - BHD
2 stops18h 50mKLM
pe 12/1217:20BHD - SFO
1 stop26h 30mKLM
Deal found 3/12£540
la 6/1217:30SFO - BHD
1 stop30h 55mBritish Airways
pe 12/1219:35BHD - SFO
1 stop27h 25mBritish Airways
Deal found 2/12£611
la 6/1215:30SJC - BHD
2 stops38h 25mBritish Airways
pe 12/1208:45BHD - SJC
2 stops21h 57mBritish Airways
Deal found 3/12£928
ti 23/1217:20SFO - BHD
2 stops16h 00mBritish Airways
ti 30/1219:25BHD - SFO
2 stops36h 41mBritish Airways
Deal found 2/12£1,270
ti 23/1217:20SFO - BFS
2 stops14h 40mMultiple Airlines
ti 30/1206:30BFS - SFO
2 stops21h 05mMultiple Airlines
Deal found 2/12£1,367
ti 23/1213:55SFO - BHD
1 stop18h 55mKLM
ti 30/1206:30BHD - SFO
1 stop13h 20mKLM
Deal found 2/12£1,415
ti 23/1214:01SJC - BHD
2 stops18h 44mBritish Airways
ti 30/1210:00BHD - SJC
2 stops20h 39mBritish Airways
Deal found 2/12£1,467
ti 23/1217:20SFO - BHD
2 stops16h 00mMultiple Airlines
ti 30/1214:00BHD - SFO
3 stops30h 40mMultiple Airlines
Deal found 2/12£1,491
la 6/1214:31OAK - BHD
2 stops18h 14mBritish Airways
pe 12/1208:45BHD - OAK
2 stops18h 34mBritish Airways
Deal found 3/12£1,812
la 20/1217:20SFO - BFS
2 stops20h 20mMultiple Airlines
la 3/106:00BFS - SFO
2 stops18h 30mMultiple Airlines
Deal found 2/12£2,046
to 18/1219:55SFO - BFS
1 stop33h 55mMultiple Airlines
su 4/120:55BFS - SFO
2 stops51h 35mMultiple Airlines
Deal found 3/12£2,205
to 18/1212:56SJC - BHD
2 stops21h 54mBritish Airways
su 4/109:10BHD - SJC
2 stops21h 29mBritish Airways
Deal found 3/12£2,543

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 4 joulukuu 2025.

Round-trip from

£451

Popular in

June

Cheapest in

April

Average price

£855
British Airways
  • British Airways
  • 6/2-20/2
  • 2 total stops
  • 32h 00m total
  • San Francisco Bay Area to Northern Ireland
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 4 joulukuu 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Northern Ireland that are best for you.

Fly from

San Francisco Bay Area

Fly to

Northern Ireland

Route

Depart

Return

Price

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

ke 11/2

17:30-16:35

1 stop15h 05m

Belfast City

su 15/2

09:10-15:00

1 stop13h 50m

£468

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

ke 20/5

16:35-08:45

1 stop32h 10m

Belfast City

to 28/5

16:20-13:50

1 stop29h 30m

£496

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

ke 20/5

16:35-08:45

1 stop32h 10m

Belfast City

ke 27/5

18:15-13:50

1 stop27h 35m

£496

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

ke 20/5

16:35-08:45

1 stop32h 10m

Belfast City

ma 25/5

13:50-13:50

1 stop32h 00m

£496

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

ke 20/5

16:35-08:45

1 stop32h 10m

Belfast City

ti 26/5

18:15-13:50

1 stop27h 35m

£496

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

ke 11/2

13:55-16:50

1 stop18h 55m

Belfast City

su 15/2

17:20-21:48

2 stops36h 28m

£520

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

to 29/1

11:40-16:50

2 stops21h 10m

Belfast City

ma 2/2

17:20-21:20

2 stops36h 00m

£523

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

la 16/5

16:25-19:15

2 stops18h 50m

Belfast City

ma 25/5

13:50-13:50

1 stop32h 00m

£531

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

ke 20/5

16:35-08:45

1 stop32h 10m

Belfast City

su 31/5

18:05-13:50

1 stop27h 45m

£541

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

ke 20/5

16:35-08:45

1 stop32h 10m

Belfast City

la 30/5

07:05-13:50

1 stop14h 45m

£541

Flights are sorted by cheapest return flights first.

Deals found on 1/12

Showing 1-10 of 30 results
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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

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

Currently, April is the cheapest month in which you can book a flight from San Francisco Bay Area to Northern Ireland (average of £442). Flying from San Francisco Bay Area to Northern Ireland in November is currently the most expensive (average of £777). 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 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, Virgin Atlantic, and Delta can get you from San Francisco Bay Area to Northern Ireland in just under 15h 05m. Your travel time can differ by up to 11h 50m. 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.

  • What is the cheapest month to book a flight from San Francisco Bay Area to Northern Ireland?

    Currently, April is the cheapest month in which you can book a flight from San Francisco Bay Area to Northern Ireland (average of £442). Flying from San Francisco Bay Area to Northern Ireland in November is currently the most expensive (average of £777). 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 Northern Ireland

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Fly with Cheapflights

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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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