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Cheap flights from San Jose, California to Belfast from $313

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 7/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Jose, California to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
12:46 pm - 6:45 pm
SJC
-
BHD
21h 59m
2 stops
British Airways Logo
9:40 am - 9:59 pm
BHD
-
SJC
20h 19m
2 stops
$699British Airways
Sun, May 10 - Tue, May 19
British Airways Logo
1:09 pm - 3:05 pm
SJC
-
BHD
17h 56m
2 stops
British Airways Logo
1:10 pm - 10:25 pm
BHD
-
SJC
17h 15m
2 stops
$722British Airways
Sat, Aug 8 - Sun, Sep 6
Delta Logo
10:56 pm - 4:55 pm
SJC
-
BHD
33h 59m
2 stops
Delta Logo
5:30 pm - 10:41 pm
BHD
-
SJC
37h 11m
2 stops
$777Delta
Wed, Aug 5 - Tue, Sep 8
Delta Logo
10:56 pm - 4:55 pm
SJC
-
BHD
33h 59m
2 stops
Delta Logo
9:50 am - 6:45 pm
BHD
-
SJC
40h 55m
2 stops
$778Delta
Wed, Aug 5 - Wed, Sep 9
Delta Logo
7:15 am - 4:55 pm
SJC
-
BHD
25h 40m
2 stops
Delta Logo
9:50 am - 10:09 pm
BHD
-
SJC
20h 19m
2 stops
$826Delta
Thu, Aug 6 - Thu, Sep 3
Delta Logo
7:15 am - 4:55 pm
SJC
-
BHD
25h 40m
2 stops
Delta Logo
5:30 pm - 5:04 pm
BHD
-
SJC
31h 34m
2 stops
$860Delta
Thu, Aug 6 - Sat, Sep 5
KLM Logo
1:50 pm - 4:55 pm
SJC
-
BHD
19h 05m
2 stops
KLM Logo
5:30 pm - 5:04 pm
BHD
-
SJC
31h 34m
2 stops
$881KLM
Tue, Jun 9 - Mon, Jun 15
British Airways Logo
11:01 am - 7:30 am
SJC
-
BHD
36h 29m
2 stops
British Airways Logo
3:10 pm - 10:32 pm
BHD
-
SJC
38h 22m
2 stops
$903British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
11:01 am - 7:30 am
SJC
-
BHD
36h 29m
2 stops
British Airways Logo
3:10 pm - 10:32 pm
BHD
-
SJC
38h 22m
2 stops
$905British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
6:00 am - 10:05 am
SJC
-
BHD
20h 05m
2 stops
British Airways Logo
7:05 am - 9:59 pm
BHD
-
SJC
22h 54m
2 stops
$908British Airways
Sat, Apr 4 - Sat, Apr 11

British Airways flights from San Jose, California to Belfast

Our best British Airways deals on San Jose, California to Belfast flight tickets
British Airways
May 10
SJC12:46 pmSan Jose
21h 59m
2 stops
BHD6:45 pmBelfast City
May 19
BHD9:40 amBelfast City
20h 19m
2 stops
SJC9:59 pmSan Jose
$699
British Airways
Aug 8
SJC1:09 pmSan Jose
17h 56m
2 stops
BHD3:05 pmBelfast City
Sep 6
BHD1:10 pmBelfast City
17h 15m
2 stops
SJC10:25 pmSan Jose
$722
British Airways
Mar 4
SJC11:01 amSan Jose
36h 29m
2 stops
BHD7:30 amBelfast City
Mar 8
BHD3:10 pmBelfast City
38h 22m
2 stops
SJC10:32 pmSan Jose
$903

Delta flights from San Jose, California to Belfast

Our best Delta deals on San Jose, California to Belfast flight tickets
Delta
Aug 5
SJC10:56 pmSan Jose
33h 59m
2 stops
BHD4:55 pmBelfast City
Sep 8
BHD5:30 pmBelfast City
37h 11m
2 stops
SJC10:41 pmSan Jose
$777
Delta
Aug 5
SJC10:56 pmSan Jose
33h 59m
2 stops
BHD4:55 pmBelfast City
Sep 9
BHD9:50 amBelfast City
40h 55m
2 stops
SJC6:45 pmSan Jose
$778
Delta
Aug 6
SJC7:15 amSan Jose
25h 40m
2 stops
BHD4:55 pmBelfast City
Sep 3
BHD9:50 amBelfast City
20h 19m
2 stops
SJC10:09 pmSan Jose
$826

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 10, 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

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sun 5/10

12:46 pm-6:45 pm

2 stops21h 59m

Belfast City

Tue 5/19

9:40 am-9:59 pm

2 stops20h 19m

$699

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sat 8/8

1:09 pm-3:05 pm

2 stops17h 56m

Belfast City

Sun 9/6

1:10 pm-10:25 pm

2 stops17h 15m

$722

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 8/5

10:56 pm-4:55 pm

2 stops33h 59m

Belfast City

Tue 9/8

5:30 pm-10:41 pm

2 stops37h 11m

$777

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 8/5

10:56 pm-4:55 pm

2 stops33h 59m

Belfast City

Wed 9/9

9:50 am-6:45 pm

2 stops40h 55m

$778

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Thu 8/6

7:15 am-4:55 pm

2 stops25h 40m

Belfast City

Thu 9/3

9:50 am-10:09 pm

2 stops20h 19m

$826

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Thu 8/6

7:15 am-4:55 pm

2 stops25h 40m

Belfast City

Sat 9/5

5:30 pm-5:04 pm

2 stops31h 34m

$860

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 6/9

1:50 pm-4:55 pm

2 stops19h 05m

Belfast City

Mon 6/15

5:30 pm-5:04 pm

2 stops31h 34m

$881

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 3/4

11:01 am-7:30 am

2 stops36h 29m

Belfast City

Sun 3/8

3:10 pm-10:32 pm

2 stops38h 22m

$903

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 3/4

11:01 am-7:30 am

2 stops36h 29m

Belfast City

Sun 3/8

3:10 pm-10:32 pm

2 stops38h 22m

$905

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sat 4/4

6:00 am-10:05 am

2 stops20h 05m

Belfast City

Sat 4/11

7:05 am-9:59 pm

2 stops22h 54m

$908

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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?

KLM 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

19h 05m

Direct flights

None
The fastest flight from San Jose, California to Belfast takes 19h 05m
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

  • How far is San Jose to Belfast by plane?

    The distance between San Jose and Belfast is about 5038.7 mi. Typically, this will take 19h 05m by plane in normal conditions.

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

    Prices for flights from San Jose Airport to Belfast were last updated today.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 necessary travel and health documents for your Belfast trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

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 Belfast for you.

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?

Once all potential San Jose to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Belfast 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.

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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