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Cheap flights from San Jose, California to Belfast from £493

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose, California to Belfast departing on 18/7. 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
1 adult, Economy, 0 bags
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Find the cheapest flights from San Jose, California to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
12:40 - 09:20
SJC
-
BHD
36h 40m
2 stops
KLM Logo
17:30 - 20:24
BHD
-
SJC
34h 54m
2 stops
£721KLM
Wed, 5 Aug - Mon, 17 Aug
KLM Logo
07:00 - 09:20
SJC
-
BHD
42h 20m
2 stops
KLM Logo
09:50 - 17:02
BHD
-
SJC
39h 12m
2 stops
£817KLM
Mon, 13 Jul - Mon, 17 Aug
British Airways Logo
11:47 - 17:30
SJC
-
BHD
21h 43m
2 stops
British Airways Logo
19:35 - 22:32
BHD
-
SJC
34h 57m
2 stops
£845British Airways
Mon, 13 Jul - Mon, 17 Aug
American Airlines Logo
11:47 - 17:30
SJC
-
BHD
21h 43m
2 stops
American Airlines Logo
09:40 - 22:32
BHD
-
SJC
20h 52m
2 stops
£854American Airlines
Mon, 13 Jul - Mon, 17 Aug
British Airways Logo
16:00 - 18:45
SJC
-
BHD
18h 45m
2 stops
British Airways Logo
15:50 - 22:01
BHD
-
SJC
38h 11m
2 stops
£890British Airways
Wed, 9 Sep - Sun, 20 Sep
British Airways Logo
16:00 - 18:45
SJC
-
BHD
18h 45m
2 stops
British Airways Logo
20:10 - 22:01
BHD
-
SJC
33h 51m
2 stops
£890British Airways
Wed, 9 Sep - Sun, 20 Sep
British Airways Logo
14:25 - 18:45
SJC
-
BHD
20h 20m
2 stops
British Airways Logo
06:30 - 18:04
BHD
-
SJC
19h 34m
2 stops
£1,137British Airways
Wed, 9 Sep - Thu, 17 Sep
American Airlines Logo
08:20 - 10:45
SJC
-
BHD
18h 25m
2 stops
American Airlines Logo
06:30 - 18:31
BHD
-
SJC
20h 01m
2 stops
£1,144American Airlines
Tue, 14 Jul - Fri, 17 Jul
Multiple Airlines Logo
10:19 - 10:45
SJC
-
BHD
16h 26m
2 stops
Multiple Airlines Logo
06:30 - 13:24
BHD
-
SJC
38h 54m
3 stops
£1,226Multiple Airlines
Tue, 14 Jul - Fri, 17 Jul
Multiple Airlines Logo
10:19 - 22:50
SJC
-
BFS
28h 31m
3 stops
Multiple Airlines Logo
06:45 - 22:27
BFS
-
SJC
23h 42m
3 stops
£1,576Multiple Airlines
Sun, 16 Aug - Sun, 23 Aug

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British Airways flights from San Jose, California to Belfast

Our best British Airways deals on San Jose, California to Belfast flight tickets
British Airways
13 Jul
SJC11:47San Jose
21h 43m
2 stops
BHD17:30Belfast City
17 Aug
BHD19:35Belfast City
34h 57m
2 stops
SJC22:32San Jose
£845
British Airways
9 Sept
SJC16:00San Jose
18h 45m
2 stops
BHD18:45Belfast City
20 Sept
BHD15:50Belfast City
38h 11m
2 stops
SJC22:01San Jose
£890
British Airways
9 Sept
SJC16:00San Jose
18h 45m
2 stops
BHD18:45Belfast City
20 Sept
BHD20:10Belfast City
33h 51m
2 stops
SJC22:01San Jose
£890

KLM flights from San Jose, California to Belfast

Our best KLM deals on San Jose, California to Belfast flight tickets
KLM
5 Aug
SJC12:40San Jose
36h 40m
2 stops
BHD09:20Belfast City
17 Aug
BHD17:30Belfast City
34h 54m
2 stops
SJC20:24San Jose
£721
KLM
13 Jul
SJC07:00San Jose
42h 20m
2 stops
BHD09:20Belfast City
17 Aug
BHD09:50Belfast City
39h 12m
2 stops
SJC17:02San Jose
£817
KLM
5 Jul
SJC07:20San Jose
25h 35m
2 stops
BHD16:55Belfast City
5 Aug
BHD09:50Belfast City
21h 00m
2 stops
SJC22:50San Jose
£963

momondo Fare Finder

 
Customise your flight search to find flights from San Jose, California 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, momondo users made 279,928 searches. Data last updated 3 July 2026.
Use the filters below to find and compare flights from San Jose, California to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 5/8

12:40-09:20

2 stops36h 40m

Belfast City

Mon 17/8

17:30-20:24

2 stops34h 54m

£721

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Mon 13/7

07:00-09:20

2 stops42h 20m

Belfast City

Mon 17/8

09:50-17:02

2 stops39h 12m

£817

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Mon 13/7

11:47-17:30

2 stops21h 43m

Belfast City

Mon 17/8

19:35-22:32

2 stops34h 57m

£845

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Mon 13/7

11:47-17:30

2 stops21h 43m

Belfast City

Mon 17/8

09:40-22:32

2 stops20h 52m

£854

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 9/9

16:00-18:45

2 stops18h 45m

Belfast City

Sun 20/9

15:50-22:01

2 stops38h 11m

£890

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 9/9

16:00-18:45

2 stops18h 45m

Belfast City

Sun 20/9

20:10-22:01

2 stops33h 51m

£890

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 9/9

14:25-18:45

2 stops20h 20m

Belfast City

Thu 17/9

06:30-18:04

2 stops19h 34m

£1,136
Fastest return journey

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 14/7

08:20-10:45

2 stops18h 25m

Belfast City

Fri 17/7

06:30-18:31

2 stops20h 01m

£1,144

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 14/7

10:19-10:45

2 stops16h 26m

Belfast City

Fri 17/7

06:30-13:24

3 stops38h 54m

£1,226

San JoseBelfast

SJC - BFS

SJCBFS

San Jose

Sun 16/8

10:19-22:50

3 stops28h 31m

Belfast Intl

Sun 23/8

06:45-22:27

3 stops23h 42m

£1,576

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from San Jose, California to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from San Jose to Belfast?

British Airways is the most popular carrier operating from San Jose to Belfast

Cheap San Jose, California to Belfast flight deals and tips

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

Fastest flight time

18h 45m

Direct flights

None
The fastest flight from San Jose, California to Belfast takes 18h 45m
There are no direct flights from San Jose, California to Belfast. There are no popular flight routes from San Jose, California to Belfast.
Search flight deals

Frequently asked questions about flying from San Jose, California to Belfast

  • How far is San Jose to Belfast by plane?

    Belfast is 5038.7 mi away from San Jose. Flights usually cover this in 18h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Jose Airport to Belfast?

    Prices for flights from San Jose Airport to Belfast are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Jose Airport to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Belfast from San Jose is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

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

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

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

momondo helps you find the best flight between San Jose and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of San Jose to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport