Cheap flights from San Jose, California to Northern Ireland from £301

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BFS
11 Apr — 18 Apr1
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 12 March 2026.

Thu 23/414:02
SJC
-
BHD
2 stops20h 43m
American Airlines
Thu 30/406:30
BHD
-
SJC
2 stops24h 29m
American Airlines
Deal found 9/3£577
Sat 18/416:18
SJC
-
BHD
2 stops17h 57m
British Airways
Mon 27/419:35
BHD
-
SJC
2 stops34h 24m
British Airways
Deal found 7/3£655
Wed 19/813:09
SJC
-
BHD
2 stops18h 31m
British Airways
Sun 23/806:30
BHD
-
SJC
2 stops23h 55m
British Airways
Deal found 9/3£723
Mon 20/416:18
SJC
-
BHD
2 stops18h 27m
British Airways
Mon 10/819:35
BHD
-
SJC
2 stops29h 06m
British Airways
Deal found 7/3£726
Tue 24/314:26
SJC
-
BHD
2 stops19h 19m
British Airways
Mon 30/319:35
BHD
-
SJC
2 stops31h 10m
British Airways
Deal found 10/3£739
Thu 16/712:39
SJC
-
BHD
2 stops22h 06m
British Airways
Fri 24/706:30
BHD
-
SJC
2 stops24h 30m
British Airways
Deal found 9/3£796
Fri 3/406:00
SJC
-
BHD
2 stops28h 10m
Multiple Airlines
Sun 12/420:10
BHD
-
SJC
2 stops33h 49m
Multiple Airlines
Deal found 10/3£798
Sat 16/512:46
SJC
-
BHD
2 stops21h 29m
British Airways
Thu 28/506:45
BHD
-
SJC
2 stops43h 47m
British Airways
Deal found 10/3£877
Tue 31/316:20
SJC
-
BHD
2 stops19h 20m
British Airways
Mon 6/406:30
BHD
-
SJC
2 stops22h 51m
British Airways
Deal found 11/3£946

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 12 March 2026.

Round-trip from

£577

One-way from

£301
American Airlines
  • American Airlines
  • 23/4-30/4
  • 4 total stops
  • 45h 12m total
  • San Jose to Northern Ireland
British Airways
  • British Airways
  • 9/8
  • 2 total stops
  • 17h 26m 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 12 March 2026.
Use the filters below to find and compare flights from San Jose to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Thu 23/4

14:02-18:45

2 stops20h 43m

Belfast City

Thu 30/4

06:30-22:59

2 stops24h 29m

£577
Fastest return journey

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Fri 21/8

12:40-15:30

2 stops18h 50m

Belfast City

Tue 25/8

09:40-21:06

2 stops19h 26m

£723

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 19/8

06:00-15:40

2 stops25h 40m

Belfast City

Sun 23/8

06:30-22:25

2 stops23h 55m

£723

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Mon 20/4

16:18-18:45

2 stops18h 27m

Belfast City

Mon 10/8

19:35-16:41

2 stops29h 06m

£726

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 24/3

14:26-16:45

2 stops19h 19m

Belfast City

Mon 30/3

19:35-18:45

2 stops31h 10m

£739
Cheapest one-way
Fastest single journey

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sun 9/8

13:09-14:35

2 stops17h 26m

£301

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Mon 27/4

16:18-18:45

2 stops18h 27m

£320

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sat 18/4

10:57-15:05

2 stops20h 08m

£338

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Fri 17/4

16:18-20:35

2 stops20h 17m

£338

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 17/6

06:00-13:35

2 stops23h 35m

£391

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 12 resultsSorted by cheapest first
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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, March is the cheapest month in which you can book a flight from San Jose, California to Northern Ireland (average of £437). Flying from San Jose, California to Northern Ireland in June is currently the most expensive (average of £904). 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 American Airlines and British Airways fly from San Jose, California to Northern Ireland in about 18h 50m. The time it takes to get you to your destination can typically vary by up to 1h 53m. The distance between San Jose, California and Northern Ireland is about 5039 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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, March is the cheapest month in which you can book a flight from San Jose, California to Northern Ireland (average of £437). Flying from San Jose, California to Northern Ireland in June is currently the most expensive (average of £904). 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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Why should you use Cheapflights to find cheap flight tickets from San Jose to Northern Ireland?

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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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