Cheap flights from San Francisco Bay Area to Northern Ireland from £483

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BFS
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 30 October 2025.

Round-trip from

£483

Popular in

January

Cheapest in

April

Average price

£492
British Airways
  • British Airways
  • 24/3-31/3
  • 2 total stops
  • 32h 25m total
  • San Francisco Bay Area to Northern Ireland
Highest demand for flights based on searches. 16% potential increase in price (£100 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Average for round-trip flights in October 2025

Find 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 30 October 2025.

Sun 7/1208:00SFO - BHD
2 stops18h 20mMultiple Airlines
Sun 14/1209:10BHD - SFO
1 stop13h 50mMultiple Airlines
Deal found 28/10£506
Thu 30/1013:19SFO - BHD
2 stops17h 41mAmerican Airlines
Thu 6/1106:35BHD - SFO
2 stops19h 51mAmerican Airlines
Deal found 28/10£512
Wed 3/1213:55SFO - BHD
1 stop23h 05mVirgin Atlantic
Sun 7/1206:30BHD - SFO
1 stop13h 20mVirgin Atlantic
Deal found 27/10£518
Thu 13/1105:55OAK - BHD
2 stops31h 05mDelta
Mon 17/1117:20BHD - OAK
2 stops38h 43mDelta
Deal found 27/10£529
Wed 12/1109:40SJC - BHD
2 stops23h 10mVirgin Atlantic
Sun 16/1117:20BHD - SJC
2 stops37h 36mVirgin Atlantic
Deal found 29/10£529
Sat 15/1106:00SFO - BHD
2 stops26h 50mDelta
Sun 23/1106:30BHD - SFO
1 stop13h 20mDelta
Deal found 28/10£543
Sat 15/1109:49SFO - BHD
2 stops23h 01mDelta
Sat 22/1106:30BHD - SFO
1 stop13h 20mDelta
Deal found 30/10£544
Tue 25/1106:00SFO - BHD
2 stops26h 50mDelta
Tue 2/1206:30BHD - SFO
1 stop13h 20mDelta
Deal found 28/10£564
Wed 12/1109:03SJC - BHD
2 stops23h 47mKLM
Sun 16/1117:20BHD - SJC
2 stops34h 02mKLM
Deal found 27/10£568
Tue 25/1113:55SFO - BHD
1 stop18h 55mMultiple Airlines
Tue 2/1217:20BHD - SFO
1 stop26h 30mMultiple Airlines
Deal found 28/10£591
Tue 25/1108:25SFO - BFS
2 stops29h 15mMultiple Airlines
Tue 2/1217:30BFS - SFO
2 stops27h 10mMultiple Airlines
Deal found 28/10£618
Thu 30/1020:55SFO - BFS
1 stop18h 10mMultiple Airlines
Tue 2/1220:55BFS - SFO
2 stops31h 15mMultiple Airlines
Deal found 28/10£671

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 30 October 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

Tue 24/3

18:30-18:40

1 stop17h 10m

Belfast City

Tue 31/3

06:35-13:50

1 stop15h 15m

£483

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

10:24-11:30

2 stops18h 06m

Belfast City

Tue 31/3

06:35-18:42

2 stops20h 07m

£497

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 7/12

08:00-10:20

2 stops18h 20m

Belfast City

Sun 14/12

09:10-15:00

1 stop13h 50m

£506

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

£518

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 25/11

15:30-16:45

2 stops17h 15m

Belfast City

Tue 2/12

06:35-18:24

2 stops19h 49m

£521

OaklandBelfast

OAK - BHD

OAKBHD

Oakland

Thu 13/11

05:55-16:50

2 stops26h 55m

Belfast City

Mon 17/11

17:20-16:11

2 stops30h 51m

£529

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 12/11

09:40-16:50

2 stops23h 10m

Belfast City

Sun 16/11

17:20-22:56

2 stops37h 36m

£529

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Thu 2/4

09:05-21:20

2 stops28h 15m

Belfast City

Mon 6/4

17:25-21:49

2 stops36h 24m

£548

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 12/11

09:03-16:50

2 stops23h 47m

Belfast City

Sun 16/11

17:20-19:22

2 stops34h 02m

£568

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Thu 2/4

09:05-16:55

2 stops23h 50m

Belfast City

Mon 6/4

17:25-21:06

2 stops35h 41m

£588

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 13 results
1
2

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 £444). Flying from San Francisco Bay Area to Northern Ireland in January is currently the most expensive (average of £1,013). 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, American Airlines, and Virgin Atlantic can get you from San Francisco Bay Area to Northern Ireland in just under 17h 10m. Your travel time can differ by up to 5h 55m. 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 £444). Flying from San Francisco Bay Area to Northern Ireland in January is currently the most expensive (average of £1,013). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.