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Cheap flights from San Jose, California to Northern Ireland from £352

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BFS
11 Sep — 18 Sep1
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 August 2026.

Sun 15/1112:58 -
2 stops19h 52m
Tue 17/1118:15 -
2 stops36h 33m
Deal found 10/8£821
Tue 11/806:00 -
2 stops25h 20m
Tue 18/818:20 -
2 stops56h 13m
Deal found 9/8£823
Sun 15/1106:00 -
2 stops26h 50m
Wed 18/1111:40 -
2 stops19h 08m
Deal found 11/8£828
Fri 28/812:42 -
2 stops21h 28m
Sat 5/919:05 -
2 stops35h 20m
Deal found 11/8£909
Thu 3/912:42 -
2 stops22h 03m
Thu 10/909:35 -
2 stops20h 56m
Deal found 11/8£987
Sun 30/812:42 -
2 stops22h 03m
Sun 6/906:30 -
2 stops23h 55m
Deal found 10/8£1,011
Mon 12/1012:02 -
2 stops22h 43m
Sun 18/1020:10 -
2 stops34h 33m
Deal found 10/8£1,238
Tue 22/914:13 -
3 stops21h 27m
Tue 29/907:35 -
3 stops22h 52m
Deal found 8/8£1,662

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 August 2026.

Round-trip from

£740

One-way from

£352
British Airways
  • British Airways
  • 20/1-3/2
  • 4 total stops
  • 39h 28m total
  • San Jose to Northern Ireland
Search Deals
British Airways
  • British Airways
  • 5/10
  • 2 total stops
  • 19h 14m total
  • San Jose to Northern Ireland
Search Deals

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 August 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
Fastest return journey

San JoseBelfast

SJC San Jose - BHD Belfast City

SJCBHD

San Jose

Wed 20/1

12:02-14:35

2 stops18h 33m

Belfast City

Wed 3/2

09:15-22:10

2 stops20h 55m

£740

San JoseBelfast

SJC San Jose - BHD Belfast City

SJCBHD

San Jose

Sun 15/11

12:58-16:50

2 stops19h 52m

Belfast City

Tue 17/11

18:15-22:48

2 stops36h 33m

£821

San JoseBelfast

SJC San Jose - BHD Belfast City

SJCBHD

San Jose

Thu 3/9

12:42-18:45

2 stops22h 03m

Belfast City

Thu 10/9

09:35-22:31

2 stops20h 56m

£987

San JoseBelfast

SJC San Jose - BHD Belfast City

SJCBHD

San Jose

Sun 30/8

12:42-18:45

2 stops22h 03m

Belfast City

Sun 6/9

06:30-22:25

2 stops23h 55m

£1,011

San JoseBelfast

SJC San Jose - BHD Belfast City

SJCBHD

San Jose

Mon 12/10

12:02-18:45

2 stops22h 43m

Belfast City

Sun 18/10

20:10-22:43

2 stops34h 33m

£1,238

San JoseBelfast

SJC San Jose - BFS Belfast Intl

SJCBFS

San Jose

Tue 22/9

14:13-19:40

3 stops21h 27m

Belfast Intl

Tue 29/9

07:35-22:27

3 stops22h 52m

£1,662
Cheapest one-way
Fastest single journey

San JoseBelfast

SJC San Jose - BHD Belfast City

SJCBHD

San Jose

Mon 5/10

16:11-19:25

2 stops19h 14m

£352

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Sorted by cheapest first

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

No data available for this route at this time. Please check back soon.

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 18h 33m. 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.

See more FAQs

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Cheapflights makes it easy to find San Jose to Northern Ireland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from San Jose to Northern Ireland?

Millions of users choose and trust Cheapflights to book the best flight deals from San Jose 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 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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