Cheap flights from San Jose, California to Northern Ireland from £380

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BFS
11 Jan — 18 Jan1
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.

Best flights from San Jose to Northern Ireland
Discover carefully curated flight deals from San Jose to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.

Sat 24/122:45SJC - BHD
2 stops34h 05mKLM
Sat 31/117:20BHD - SJC
2 stops36h 08mKLM
Deal found 9/12£530
Wed 11/214:32SJC - BHD
2 stops18h 03mBritish Airways
Sun 15/209:10BHD - SJC
2 stops21h 16mBritish Airways
Deal found 9/12£663
Sat 24/111:51SJC - BHD
2 stops18h 24mMultiple Airlines
Sat 31/111:05BHD - SJC
3 stops31h 52mMultiple Airlines
Deal found 9/12£704
Thu 5/214:32SJC - BHD
2 stops18h 08mBritish Airways
Mon 9/219:25BHD - SJC
2 stops35h 10mBritish Airways
Deal found 9/12£663
Tue 19/514:34SJC - BHD
2 stops16h 46mMultiple Airlines
Thu 18/609:35BHD - SJC
2 stops18h 50mMultiple Airlines
Deal found 9/12£816
Mon 5/112:56SJC - BHD
2 stops19h 09mBritish Airways
Sun 5/720:05BHD - SJC
2 stops32h 17mBritish Airways
Deal found 11/12£1,074

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 December 2025.

Round-trip from

£530

One-way from

£380
KLM
  • KLM
  • 24/1-31/1
  • 4 total stops
  • 70h 13m total
  • San Jose to Northern Ireland
16/5
  • 16/5
  • 3 total stops
  • 37h 20m 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 December 2025.
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

Sat 24/1

22:45-16:50

2 stops34h 05m

Belfast City

Sat 31/1

17:20-21:28

2 stops36h 08m

£530

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 11/2

14:32-16:35

2 stops18h 03m

Belfast City

Sun 15/2

09:10-22:26

2 stops21h 16m

£663

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Thu 5/2

14:32-16:40

2 stops18h 08m

Belfast City

Mon 9/2

19:25-22:35

2 stops35h 10m

£663

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sat 24/1

11:51-14:15

2 stops18h 24m

Belfast City

Sat 31/1

11:05-10:57

3 stops31h 52m

£704

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 19/5

14:34-15:20

2 stops16h 46m

Belfast City

Thu 18/6

09:35-20:25

2 stops18h 50m

£816

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Mon 5/1

12:56-16:05

2 stops19h 09m

Belfast City

Sun 5/7

20:05-20:22

2 stops32h 17m

£1,074

San JoseBelfast

SJC - BFS

SJCBFS

San Jose

Sat 16/5

11:30-08:50

3 stops37h 20m

£380

Flights are sorted by cheapest return flights first.

Deals found on 10/12

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 £438). Flying from San Jose, California to Northern Ireland in November is currently the most expensive (average of £771). 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 KLM and British Airways fly from San Jose, California to Northern Ireland in about 18h 03m. The time it takes to get you to your destination can typically vary by up to 16h 02m. 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, April is the cheapest month in which you can book a flight from San Jose, California to Northern Ireland (average of £438). Flying from San Jose, California to Northern Ireland in November is currently the most expensive (average of £771). 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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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.

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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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