Find flights
When to book
FAQs

Cheap flights from San Jose, California to Belfast 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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BHD
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Jose to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from San Jose to Belfast
Explore the most affordable flight options available from San Jose to Belfast. 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 Belfast

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Belfast (BF1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data 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 Belfast
Search Deals
British Airways
  • British Airways
  • 15/2
  • 2 total stops
  • 18h 43m total
  • San Jose to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Jose to Belfast 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 Belfast that are best for you.

Fly from

San Jose

Fly to

Belfast

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
1
2

Best time to book a flight from San Jose to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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 Belfast

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

Currently, April is the cheapest month in which you can book a flight from San Jose, California to Belfast (average of £427). Flying from San Jose, California to Belfast 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 Belfast. 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 Belfast?

    San Jose (SJC), located 2.9 mi from the city center, is the airport you fly out of when you book flights from San Jose to Belfast. 0 airlines have flights from San Jose to Belfast on a regular basis. Booking flights from San Jose to Belfast should not be difficult; the airport handles an average of 0 outbound flights to Belfast per day.

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

    British Airways can get you from San Jose, California to Belfast in just under 19h 20m. Your travel time can differ by up to . The distance between San Jose, California and Belfast is about 5039 mi.

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

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

  • How can I find direct flights from San Jose to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Belfast.

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

    Yes. Cheapflights offers flight deals from San Jose to Belfast 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 Belfast?

    Currently, April is the cheapest month in which you can book a flight from San Jose, California to Belfast (average of £427). Flying from San Jose, California to Belfast 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Jose to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Belfast Intl flights
Los Angeles to Belfast Intl flights
Los Angeles to Belfast City flights
San Francisco to Belfast City flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Jose to Belfast?

Cheapflights helps you search for flights from San Jose to Belfast via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast from San Jose.

Can Cheapflights find flights from San Jose to Belfast with no change fees?

Yes! Cheapflights helps users easily find flights from San Jose to Belfast with no change fees.

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

Yes! Start tracking prices for San Jose to Belfast 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.