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Cheap flights from San Francisco Bay Area to Belfast from £269

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 Francisco Bay Area to Belfast departing on 18/8. 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 Francisco Bay Area to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
20:35 - 20:15
SFO
-
BHD
15h 40m
1 stop
British Airways Logo
19:25 - 14:55
BHD
-
SFO
27h 30m
1 stop
£651British Airways
Mon, 2 Nov - Mon, 9 Nov
British Airways Logo
14:12 - 14:35
SFO
-
BHD
16h 23m
2 stops
British Airways Logo
08:45 - 14:55
BHD
-
SFO
14h 10m
1 stop
£663British Airways
Wed, 4 Nov - Tue, 10 Nov
Delta Logo
07:00 - 09:10
SFO
-
BHD
18h 10m
2 stops
Delta Logo
17:20 - 11:45
BHD
-
SFO
26h 25m
1 stop
£668Delta
Mon, 16 Nov - Mon, 23 Nov
British Airways Logo
09:12 - 10:15
SFO
-
BHD
17h 03m
2 stops
British Airways Logo
09:15 - 22:12
BHD
-
SFO
20h 57m
2 stops
£669British Airways
Wed, 18 Nov - Wed, 25 Nov
Delta Logo
13:50 - 09:10
SFO
-
BHD
35h 20m
1 stop
Delta Logo
09:40 - 00:50
BHD
-
SFO
23h 10m
2 stops
£672Delta
Sun, 8 Nov - Fri, 13 Nov
American Airlines Logo
14:58 - 15:40
SFO
-
BHD
16h 42m
2 stops
American Airlines Logo
06:30 - 19:11
BHD
-
SFO
20h 41m
2 stops
£677American Airlines
Wed, 9 Sep - Thu, 17 Sep
Multiple Airlines Logo
11:10 - 22:25
SFO
-
BFS
27h 15m
3 stops
Multiple Airlines Logo
22:45 - 21:55
BFS
-
SFO
31h 10m
3 stops
£714Multiple Airlines
Mon, 3 Aug - Tue, 18 Aug
KLM Logo
12:40 - 09:20
SJC
-
BHD
36h 40m
2 stops
KLM Logo
17:30 - 20:24
BHD
-
SJC
34h 54m
2 stops
£719KLM
Wed, 5 Aug - Mon, 17 Aug
Multiple Airlines Logo
17:20 - 18:05
SFO
-
BFS
16h 45m
2 stops
Multiple Airlines Logo
06:55 - 20:10
BFS
-
SFO
21h 15m
1 stop
£760Multiple Airlines
Wed, 4 Nov - Wed, 11 Nov
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
£1,142American Airlines
Tue, 14 Jul - Fri, 17 Jul

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American Airlines flights from San Francisco Bay Area to Belfast

Our best American Airlines deals on San Francisco Bay Area to Belfast flight tickets
American Airlines
9 Sept
SFO14:58San Francisco
16h 42m
2 stops
BHD15:40Belfast City
17 Sept
BHD06:30Belfast City
20h 41m
2 stops
SFO19:11San Francisco
£677
American Airlines
19 Nov
SFO17:25San Francisco
17h 25m
1 stop
BHD18:50Belfast City
24 Nov
BHD08:45Belfast City
19h 29m
2 stops
SFO20:14San Francisco
£695
American Airlines
9 Sept
SFO13:27San Francisco
18h 13m
2 stops
BHD15:40Belfast City
20 Sept
BHD13:10Belfast City
19h 10m
2 stops
SFO00:20San Francisco
£714

British Airways flights from San Francisco Bay Area to Belfast

Our best British Airways deals on San Francisco Bay Area to Belfast flight tickets
British Airways
2 Nov
SFO20:35San Francisco
15h 40m
1 stop
BHD20:15Belfast City
9 Nov
BHD19:25Belfast City
27h 30m
1 stop
SFO14:55San Francisco
£651
British Airways
4 Nov
SFO14:12San Francisco
16h 23m
2 stops
BHD14:35Belfast City
10 Nov
BHD08:45Belfast City
14h 10m
1 stop
SFO14:55San Francisco
£663
British Airways
18 Nov
SFO09:12San Francisco
17h 03m
2 stops
BHD10:15Belfast City
25 Nov
BHD09:15Belfast City
20h 57m
2 stops
SFO22:12San Francisco
£669

momondo Fare Finder

 
Customise your flight search to find flights from San Francisco Bay Area 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 4 July 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 2/11

20:35-20:15

1 stop15h 40m

Belfast City

Mon 9/11

19:25-14:55

1 stop27h 30m

£651
Fastest return journey

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 4/11

14:12-14:35

2 stops16h 23m

Belfast City

Tue 10/11

08:45-14:55

1 stop14h 10m

£663

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 16/11

07:00-09:10

2 stops18h 10m

Belfast City

Mon 23/11

17:20-11:45

1 stop26h 25m

£668

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 18/11

09:12-10:15

2 stops17h 03m

Belfast City

Wed 25/11

09:15-22:12

2 stops20h 57m

£669

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 8/11

13:50-09:10

1 stop35h 20m

Belfast City

Fri 13/11

09:40-00:50

2 stops23h 10m

£672

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 9/9

14:58-15:40

2 stops16h 42m

Belfast City

Thu 17/9

06:30-19:11

2 stops20h 41m

£677

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Mon 3/8

11:10-22:25

3 stops27h 15m

Belfast Intl

Tue 18/8

22:45-21:55

3 stops31h 10m

£714

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

£719

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Wed 4/11

17:20-18:05

2 stops16h 45m

Belfast Intl

Wed 11/11

06:55-20:10

1 stop21h 15m

£760

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

£1,142

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Belfast from

How to get the cheapest flight ticket from San Francisco Bay Area 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 Francisco Bay Area to Belfast?

KLM, Delta, and British Airways are the most popular carriers operating from San Francisco Bay Area to Belfast

Cheap San Francisco Bay Area to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco Bay Area to Belfast

Fastest flight time

15h 40m

Direct flights

None
The fastest flight from San Francisco Bay Area to Belfast takes 15h 40m
There are no direct flights from San Francisco Bay Area to Belfast. There are no popular flight routes from San Francisco Bay Area to Belfast.
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Frequently asked questions about flying from San Francisco Bay Area to Belfast

  • When did momondo last update prices for flights from San Francisco Bay Area to Belfast?

    Prices for flights from San Francisco Bay Area to Belfast were last updated today.

  • How old do you have to be to fly from San Francisco Bay Area to Belfast?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Bay Area 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 Francisco Bay Area to Belfast?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from San Francisco Bay Area.

Can I find flights from San Francisco Bay Area to Belfast with flexible booking policies on momondo?

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

How can momondo help me find flights from San Francisco Bay Area to Belfast?

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 Belfast from San Francisco Bay Area.

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

Yes momondo offers price alerts on flights to Belfast from San Francisco Bay Area. 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