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Cheap flights from San Francisco Bay Area to Northern Ireland from £491

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BFS
8 Apr — 15 Apr1
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 3 April 2025.

Round-trip from

£533

Popular in

January

Cheapest in

October

Average price

£519
British Airways
  • British Airways
  • 3/5-10/5
  • 4 total stops
  • 58h 48m total
  • San Francisco Bay Area to Northern Ireland
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£90 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 3 April 2025.

Tue 8/416:20SFO - BHD
1 stop15h 00mBritish Airways
Tue 15/420:20BHD - SFO
1 stop25h 30mBritish Airways
Deal found 1/4£491
Tue 8/412:15SJC - BHD
2 stops19h 05mBritish Airways
Sun 20/420:05BHD - SJC
2 stops49h 24mBritish Airways
Deal found 2/4£529
Sat 3/516:20SFO - BHD
1 stop16h 55mAmerican Airlines
Sat 10/507:05BHD - SFO
1 stop14h 45mAmerican Airlines
Deal found 2/4£555
Mon 8/908:40SFO - BFS
2 stops29h 50mMultiple Airlines
Wed 17/917:05BFS - SFO
2 stops35h 33mMultiple Airlines
Deal found 2/4£684
Thu 9/1005:52SJC - BHD
2 stops21h 18mMultiple Airlines
Sat 18/1007:05BHD - SJC
2 stops23h 17mMultiple Airlines
Deal found 2/4£744
Tue 8/411:32SFO - BHD
2 stops17h 28mMultiple Airlines
Sun 20/407:05BHD - SFO
3 stops42h 08mMultiple Airlines
Deal found 2/4£816
Wed 26/1117:20SFO - BHD
2 stops19h 35mAer Lingus
Sat 29/1117:55BHD - SFO
2 stops29h 35mAer Lingus
Deal found 2/4£831
Fri 18/713:45SFO - BHD
1 stop23h 30mKLM
Sat 2/806:30BHD - SFO
1 stop13h 15mKLM
Deal found 2/4£990
Sat 5/409:23OAK - BFS
3 stops26h 17mMultiple Airlines
Fri 11/409:50BFS - OAK
3 stops37h 35mMultiple Airlines
Deal found 2/4£2,073

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 3 April 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

Sat 3/5

22:33-09:05

2 stops26h 32m

Belfast City

Sat 10/5

19:00-19:16

2 stops32h 16m

£533

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 3/5

16:20-17:15

1 stop16h 55m

Belfast City

Sat 10/5

07:05-13:50

1 stop14h 45m

£555

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Mon 8/9

08:40-22:30

2 stops29h 50m

Belfast Intl

Wed 17/9

17:05-20:38

2 stops35h 33m

£684

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Fri 18/7

13:45-21:15

1 stop23h 30m

Belfast City

Sat 2/8

06:30-11:45

1 stop13h 15m

£990

Flights are sorted by cheapest return flights first.

Deals found on 2/4

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, 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 3 April 2025.
KLM
7.8
Good
1,323 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,323 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
British Airways
6.6
Okay
6,718 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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

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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.

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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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