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Cheap flights from San Jose, California to Northern Ireland from £486

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose, California to Northern Ireland departing on 13/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from San Jose, California to Northern Ireland

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
12:50 - 16:45
SJC
-
BHD
19h 55m2 stops
British Airways Logo
19:25 - 21:29
BHD
-
SJC
34h 04m2 stops
£486British Airways
Tue, 13 Jan - Tue, 20 Jan
British Airways Logo
12:55 - 15:35
SJC
-
BHD
18h 40m2 stops
British Airways Logo
06:40 - 18:40
BHD
-
SJC
20h 00m2 stops
£639British Airways
Wed, 8 Apr - Mon, 13 Apr
British Airways Logo
11:51 - 18:50
SJC
-
BHD
22h 59m2 stops
British Airways Logo
17:45 - 22:35
BHD
-
SJC
36h 50m2 stops
£665British Airways
Thu, 5 Feb - Mon, 9 Feb
Multiple Airlines Logo
06:15 - 14:10
SJC
-
BFS
23h 55m2 stops
Multiple Airlines Logo
14:35 - 15:26
BFS
-
SJC
32h 51m3 stops
£1,984Multiple Airlines
Sun, 28 Dec - Wed, 31 Dec

Delta flights from San Jose, California to Northern Ireland

Our best Delta deals on San Jose, California to Northern Ireland flight tickets
Delta
22 Dec
SJC22:55San Jose
33h 55m
2 stops
BHD16:50Belfast City
2 Jan
BHD06:30Belfast City
19h 10m
2 stops
SJC17:40San Jose
£2,010
Find similar
Delta
22 Dec
SJC22:55San Jose
33h 55m
2 stops
BHD16:50Belfast City
3 Jan
BHD17:20Belfast City
30h 47m
2 stops
SJC16:07San Jose
£2,241
Find similar
Delta
22 Dec
SJC22:55San Jose
33h 55m
2 stops
BHD16:50Belfast City
3 Jan
BHD17:20Belfast City
30h 47m
2 stops
SJC16:07San Jose
£2,259
Find similar

Finnair flights from San Jose, California to Northern Ireland

Our best Finnair deals on San Jose, California to Northern Ireland flight tickets
Finnair
23 Dec
SJC06:00San Jose
21h 30m
2 stops
BHD11:30Belfast City
4 Jan
BHD12:10Belfast City
41h 03m
2 stops
SJC21:13San Jose
£1,648
Find similar
Finnair
22 Dec
SJC06:00San Jose
45h 30m
2 stops
BHD11:30Belfast City
4 Jan
BHD12:10Belfast City
41h 03m
2 stops
SJC21:13San Jose
£1,655
Find similar
Finnair
21 Dec
SJC06:00San Jose
23h 55m
2 stops
BHD13:55Belfast City
4 Jan
BHD12:10Belfast City
41h 03m
2 stops
SJC21:13San Jose
£1,794
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from San Jose, California 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, momondo users made 279,928 searches. Data last updated 16 December 2025.
Use the filters below to find and compare flights from San Jose, California to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 13/1

12:50-16:45

2 stops19h 55m

Belfast City

Tue 20/1

19:25-21:29

2 stops34h 04m

£486

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 8/4

12:55-15:35

2 stops18h 40m

Belfast City

Mon 13/4

06:40-18:40

2 stops20h 00m

£639

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Thu 5/2

11:51-18:50

2 stops22h 59m

Belfast City

Mon 9/2

17:45-22:35

2 stops36h 50m

£665

San JoseBelfast

SJC - BFS

SJCBFS

San Jose

Sun 28/12

06:15-14:10

2 stops23h 55m

Belfast Intl

Wed 31/12

14:35-15:26

3 stops32h 51m

£1,984

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap San Jose, California to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Jose, California to Northern Ireland

Fastest flight time

18h 40m

Direct flights

None
The fastest flight from San Jose, California to Northern Ireland takes 18h 40m
There are no direct flights from San Jose, California to Northern Ireland. There are no popular flight routes from San Jose, California to Northern Ireland.
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  • When did momondo last update prices for flights from San Jose Airport to Northern Ireland?

    Prices for flights from San Jose Airport to Northern Ireland are refreshed on a daily basis.

  • How old do you have to be to fly from San Jose Airport to Northern Ireland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Jose Airport to Northern Ireland.

  • What documentation or ID do you need to fly to Northern Ireland?

    The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from San Jose, California to Northern Ireland?

    Confirm your travel details to search for the latest offers for flights from San Jose, California to Northern Ireland. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from San Jose, California to Northern Ireland with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from San Jose to Northern Ireland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Jose to Northern Ireland for you.

Can I find flights from San Jose to Northern Ireland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Northern Ireland from San Jose with this policy.

How can momondo help me find flights from San Jose to Northern Ireland?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Northern Ireland from San Jose.

I’m not ready to book a flight from San Jose to Northern Ireland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Northern Ireland from San Jose. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Northern Ireland trip

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