Find flights
When to book
Airlines

Cheap flights from San Francisco Bay Area to Northern Ireland from £276

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BFS
19 Feb — 26 Feb1
1 adult

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 14 February 2025.

Round-trip from

£541

One-way from

£276

Popular in

January

Cheapest in

February

Average price

£477
British Airways
  • British Airways
  • 30/3-6/4
  • 4 total stops
  • 41h 37m total
  • San Francisco Bay Area to Northern Ireland
7/3
  • 7/3
  • 3 total stops
  • 51h 06m total
  • San Francisco Bay Area to Northern Ireland
Highest demand for flights based on searches. 9% potential increase in price (£65 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Average for round-trip flights in February 2025

Find flight deals from San Francisco Bay Area to Northern Ireland

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 14 February 2025.

Wed 19/220:40SFO - BHD
1 stop14h 30mBritish Airways
Wed 26/219:25BHD - SFO
1 stop27h 35mBritish Airways
Deal found 12/2£520
Sun 30/314:46SJC - BHD
2 stops18h 59mBritish Airways
Sun 6/406:50BHD - SJC
2 stops22h 38mBritish Airways
Deal found 12/2£541
Thu 27/206:00OAK - BHD
2 stops31h 00mDelta
Wed 5/317:20BHD - OAK
2 stops38h 36mDelta
Deal found 14/2£572
Sat 3/511:32SFO - BHD
2 stops16h 43mAmerican Airlines
Sat 10/507:05BHD - SFO
1 stop18h 10mAmerican Airlines
Deal found 13/2£572
Thu 27/205:10OAK - BFS
2 stops31h 30mMultiple Airlines
Wed 5/320:55BFS - OAK
3 stops44h 40mMultiple Airlines
Deal found 14/2£609
Thu 27/205:10OAK - BHD
2 stops30h 25mMultiple Airlines
Wed 5/307:25BHD - OAK
3 stops41h 32mMultiple Airlines
Deal found 14/2£613
Wed 19/320:25SFO - BFS
2 stops18h 55mMultiple Airlines
Wed 26/314:15BFS - SFO
2 stops34h 10mMultiple Airlines
Deal found 13/2£653
Thu 27/211:19SJC - BFS
2 stops25h 21mMultiple Airlines
Sun 2/306:35BFS - SJC
3 stops39h 48mMultiple Airlines
Deal found 13/2£672
Sat 22/314:45SFO - BHD
1 stop23h 15mKLM
Sun 30/317:25BHD - SFO
1 stop26h 20mKLM
Deal found 13/2£1,232

Find flights from San Francisco Bay Area to Northern Ireland within your budget

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 14 February 2025.

Fly from

San Francisco Bay Area

Fly to

Northern Ireland

Route

Depart

Return

Price

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sun 30/3

14:46-17:45

2 stops18h 59m

Belfast City

Sun 6/4

06:50-21:28

2 stops22h 38m

£541

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 3/5

19:20-20:45

1 stop17h 25m

Belfast City

Sat 10/5

09:35-17:15

1 stop15h 40m

£564

OaklandBelfast

OAK - BHD

OAKBHD

Oakland

Thu 27/2

06:00-21:00

2 stops31h 00m

Belfast City

Wed 5/3

17:20-23:56

2 stops38h 36m

£572

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 3/5

11:32-12:15

2 stops16h 43m

Belfast City

Sat 10/5

07:05-17:15

1 stop18h 10m

£572

OaklandBelfast

OAK - BFS

OAKBFS

Oakland

Thu 27/2

05:10-20:40

2 stops31h 30m

Belfast Intl

Wed 5/3

20:55-09:35

3 stops44h 40m

£609

OaklandBelfast

OAK - BHD

OAKBHD

Oakland

Thu 27/2

05:10-19:35

2 stops30h 25m

Belfast City

Wed 5/3

07:25-16:57

3 stops41h 32m

£613

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Wed 19/3

20:25-22:20

2 stops18h 55m

Belfast Intl

Wed 26/3

14:15-17:25

2 stops34h 10m

£653

San JoseBelfast

SJC - BFS

SJCBFS

San Jose

Thu 27/2

11:19-20:40

2 stops25h 21m

Belfast Intl

Sun 2/3

06:35-14:23

3 stops39h 48m

£672

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 22/3

14:45-21:00

1 stop23h 15m

Belfast City

Sun 30/3

17:25-11:45

1 stop26h 20m

£1,232

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Fri 7/3

22:59-10:05

3 stops51h 06m

£276

Flights are sorted by cheapest return flights first.

Deals found on 13/2

Showing 1-10 of 14 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.

Travel insights for flights from San Francisco Bay Area to Northern Ireland

Get recent, data-driven insights about flights from San Francisco Bay Area to Northern Ireland including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Northern Ireland (average of £67). Flying from San Francisco Bay Area to Northern Ireland in July is currently the most expensive (average of £90). 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.

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated 14 February 2025.

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very Good

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.
  • 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, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Northern Ireland (average of £67). Flying from San Francisco Bay Area to Northern Ireland in July is currently the most expensive (average of £90). 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.