Cheap flights from San Jose, California to Northern Ireland from £269

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 16/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BFS
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Jose to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from San Jose to Northern Ireland
Explore the most affordable flight options available from San Jose to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Sun 22/316:20
SJC
-
BHD
2 stops19h 20m
British Airways
Tue 31/320:25
BHD
-
SJC
2 stops54h 20m
British Airways
Deal found 27/1£561
Sun 15/316:20
SJC
-
BHD
2 stops19h 20m
British Airways
Tue 31/306:30
BHD
-
SJC
2 stops22h 51m
British Airways
Deal found 27/1£574
Wed 4/306:00
SJC
-
BHD
2 stops26h 35m
British Airways
Sun 8/312:10
BHD
-
SJC
2 stops41h 46m
British Airways
Deal found 25/1£649
Thu 26/311:02
SJC
-
BHD
2 stops19h 58m
British Airways
Sat 4/419:05
BHD
-
SJC
2 stops31h 40m
British Airways
Deal found 24/1£659
Fri 27/206:00
SJC
-
BHD
2 stops20h 30m
British Airways
Tue 3/315:05
BHD
-
SJC
2 stops39h 51m
British Airways
Deal found 26/1£668
Wed 4/306:00
SJC
-
BHD
2 stops20h 15m
British Airways
Sat 14/309:30
BHD
-
SJC
2 stops31h 41m
British Airways
Deal found 27/1£698
Thu 28/511:52
SJC
-
BHD
2 stops19h 38m
British Airways
Sat 6/609:35
BHD
-
SJC
2 stops20h 36m
British Airways
Deal found 26/1£746
Sat 20/612:41
SJC
-
BHD
2 stops18h 24m
British Airways
Sun 21/620:10
BHD
-
SJC
2 stops30h 40m
British Airways
Deal found 24/1£1,067
Fri 13/310:16
SJC
-
BFS
3 stops19h 49m
Multiple Airlines
Fri 20/310:35
BFS
-
SJC
3 stops19h 24m
Multiple Airlines
Deal found 27/1£1,881
Sat 20/610:13
SJC
-
BHD
2 stops18h 12m
Multiple Airlines
Sun 21/614:25
BHD
-
SJC
3 stops33h 22m
Multiple Airlines
Deal found 24/1£2,893
Tue 7/411:08
SJC
-
BHD
2 stops20h 12m
British Airways
Mon 14/909:40
BHD
-
SJC
2 stops18h 50m
British Airways
Deal found 24/1£5,163
Mon 25/514:36
SJC
-
BHD
2 stops18h 54m
British Airways
Fri 29/509:30
BHD
-
SJC
2 stops20h 41m
British Airways
Deal found 25/1£8,250

Find flight deals from San Jose to Northern Ireland

Keep the following information in mind while searching for San Jose to Northern Ireland flight deals. Data was last updated 28 January 2026.

Round-trip from

£561

One-way from

£269
British Airways
  • British Airways
  • 22/3-31/3
  • 4 total stops
  • 73h 40m total
  • San Jose to Northern Ireland
British Airways
  • British Airways
  • 15/2
  • 2 total stops
  • 18h 43m total
  • San Jose to Northern Ireland

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Jose 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 28 January 2026.
Use the filters below to find and compare flights from San Jose to Northern Ireland that are best for you.

Fly from

San Jose

Fly to

Northern Ireland

Route

Depart

Return

Price

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sun 22/3

16:20-18:40

2 stops19h 20m

Belfast City

Tue 31/3

20:25-18:45

2 stops54h 20m

£561

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sun 15/3

16:20-18:40

2 stops19h 20m

Belfast City

Tue 31/3

06:30-21:21

2 stops22h 51m

£574

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Fri 27/2

14:07-17:15

2 stops19h 08m

Belfast City

Tue 3/3

19:25-22:56

2 stops35h 31m

£649

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 4/3

06:00-16:35

2 stops26h 35m

Belfast City

Sun 8/3

12:10-22:56

2 stops41h 46m

£649

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 4/3

06:00-10:15

2 stops20h 15m

Belfast City

Sat 14/3

09:30-10:11

2 stops31h 41m

£698

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Thu 28/5

11:52-15:30

2 stops19h 38m

Belfast City

Sat 6/6

09:35-22:11

2 stops20h 36m

£746

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sat 20/6

12:41-15:05

2 stops18h 24m

Belfast City

Sun 21/6

20:10-18:50

2 stops30h 40m

£1,067

San JoseBelfast

SJC - BFS

SJCBFS

San Jose

Fri 13/3

10:16-13:05

3 stops19h 49m

Belfast Intl

Fri 20/3

10:35-22:59

3 stops19h 24m

£1,881

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sat 20/6

10:13-12:25

2 stops18h 12m

Belfast City

Sun 21/6

14:25-15:47

3 stops33h 22m

£2,893

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Mon 16/2

16:20-18:35

2 stops18h 15m

£269

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 19 results
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Best time to book a flight from San Jose to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from San Jose 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 Jose to Northern Ireland

What is the cheapest month to book a flight from San Jose, California to Northern Ireland?

Currently, April is the cheapest month in which you can book a flight from San Jose, California to Northern Ireland (average of £427). Flying from San Jose, California to Northern Ireland in December is currently the most expensive (average of £799). 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 Jose to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Jose to Northern Ireland?

    For a flight from San Jose to Northern Ireland, you will be flying from San Jose. San Jose (SJC) is just 2.9 mi from the center of the city.

  • How long is the flight from San Jose, California to Northern Ireland?

    Airlines like British Airways fly from San Jose, California to Northern Ireland in about 19h 20m. The time it takes to get you to your destination can typically vary by up to . The distance between San Jose, California and Northern Ireland is about 5039 mi.

  • Can I find deals for flights from San Jose to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on San Jose to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Jose 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 Jose to Northern Ireland.

  • Can I find deals for business class flights from San Jose to Northern Ireland?

    Yes. Cheapflights offers flight deals from San Jose 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 Jose, California to Northern Ireland?

    Currently, April is the cheapest month in which you can book a flight from San Jose, California to Northern Ireland (average of £427). Flying from San Jose, California to Northern Ireland in December is currently the most expensive (average of £799). 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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Can Cheapflights find flights from San Jose to Northern Ireland with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Jose to Northern Ireland, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Jose to Northern Ireland become cheaper?

Yes! Start tracking prices for San Jose to Northern Ireland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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