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Cheap flights from San Francisco to Belfast from £300

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 to Belfast departing on 17/8. 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

Find the cheapest flights from San Francisco to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
17:25 - 14:35
SFO
-
BHD
13h 10m
1 stop
British Airways Logo
11:25 - 18:45
BHD
-
SFO
15h 20m
1 stop
£643British Airways
Wed, 2 Dec - Wed, 9 Dec
British Airways Logo
14:12 - 14:35
SFO
-
BHD
16h 23m
2 stops
British Airways Logo
06:35 - 14:55
BHD
-
SFO
16h 20m
1 stop
£650British Airways
Wed, 2 Dec - Wed, 9 Dec
British Airways Logo
17:25 - 14:50
SFO
-
BHD
13h 25m
1 stop
British Airways Logo
11:30 - 18:45
BHD
-
SFO
15h 15m
1 stop
£655British Airways
Tue, 1 Dec - Fri, 4 Dec
British Airways Logo
17:25 - 14:50
SFO
-
BHD
13h 25m
1 stop
British Airways Logo
11:30 - 18:45
BHD
-
SFO
15h 15m
1 stop
£655British Airways
Tue, 1 Dec - Fri, 4 Dec
British Airways Logo
14:12 - 14:35
SFO
-
BHD
16h 23m
2 stops
British Airways Logo
06:35 - 18:20
BHD
-
SFO
19h 45m
2 stops
£658British Airways
Wed, 2 Dec - Wed, 9 Dec
British Airways Logo
19:30 - 20:35
SFO
-
BHD
17h 05m
1 stop
British Airways Logo
06:30 - 13:50
BHD
-
SFO
15h 20m
1 stop
£658British Airways
Mon, 17 Aug - Tue, 25 Aug
British Airways Logo
14:12 - 14:50
SFO
-
BHD
16h 38m
2 stops
British Airways Logo
11:25 - 18:45
BHD
-
SFO
15h 20m
1 stop
£665British Airways
Tue, 1 Dec - Tue, 8 Dec
British Airways Logo
16:35 - 14:35
SFO
-
BHD
14h 00m
1 stop
British Airways Logo
19:30 - 13:50
BHD
-
SFO
26h 20m
1 stop
£672British Airways
Sun, 16 Aug - Tue, 25 Aug
Multiple Airlines Logo
06:00 - 16:30
SFO
-
BFS
26h 30m
3 stops
Multiple Airlines Logo
20:15 - 15:55
BFS
-
SFO
27h 40m
2 stops
£679Multiple Airlines
Fri, 9 Oct - Sat, 17 Oct
Multiple Airlines Logo
06:00 - 16:30
SFO
-
BFS
26h 30m
2 stops
Multiple Airlines Logo
20:15 - 15:55
BFS
-
SFO
27h 40m
2 stops
£699Multiple Airlines
Fri, 9 Oct - Sat, 17 Oct

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British Airways flights from San Francisco to Belfast

Our best British Airways deals on San Francisco to Belfast flight tickets
British Airways
2 Dec
SFO17:25San Francisco
13h 10m
1 stop
BHD14:35Belfast City
9 Dec
BHD11:25Belfast City
15h 20m
1 stop
SFO18:45San Francisco
£643
British Airways
2 Dec
SFO14:12San Francisco
16h 23m
2 stops
BHD14:35Belfast City
9 Dec
BHD06:35Belfast City
16h 20m
1 stop
SFO14:55San Francisco
£650
British Airways
1 Dec
SFO17:25San Francisco
13h 25m
1 stop
BHD14:50Belfast City
4 Dec
BHD11:30Belfast City
15h 15m
1 stop
SFO18:45San Francisco
£655

KLM flights from San Francisco to Belfast

Our best KLM deals on San Francisco to Belfast flight tickets
KLM
2 Dec
SFO15:00San Francisco
17h 50m
2 stops
BHD16:50Belfast City
8 Dec
BHD09:40Belfast City
20h 59m
2 stops
SFO22:39San Francisco
£679
KLM
17 Aug
SFO15:37San Francisco
17h 18m
2 stops
BHD16:55Belfast City
26 Aug
BHD17:30Belfast City
26h 15m
1 stop
SFO11:45San Francisco
£688
KLM
17 Aug
SFO15:37San Francisco
17h 18m
2 stops
BHD16:55Belfast City
26 Aug
BHD09:50Belfast City
22h 08m
2 stops
SFO23:58San Francisco
£696

momondo Fare Finder

 
Customise your flight search to find flights from San Francisco 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 24 July 2026.
Use the filters below to find and compare flights from San Francisco to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 2/12

17:25-14:35

1 stop13h 10m

Belfast City

Wed 9/12

11:25-18:45

1 stop15h 20m

£643

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 2/12

14:12-14:35

2 stops16h 23m

Belfast City

Wed 9/12

06:35-14:55

1 stop16h 20m

£650

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 1/12

17:25-14:50

1 stop13h 25m

Belfast City

Fri 4/12

11:30-18:45

1 stop15h 15m

£655

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 1/12

17:25-14:50

1 stop13h 25m

Belfast City

Fri 4/12

11:30-18:45

1 stop15h 15m

£655

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 2/12

14:12-14:35

2 stops16h 23m

Belfast City

Wed 9/12

06:35-18:20

2 stops19h 45m

£658

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 17/8

19:30-20:35

1 stop17h 05m

Belfast City

Tue 25/8

06:30-13:50

1 stop15h 20m

£658

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 1/12

14:12-14:50

2 stops16h 38m

Belfast City

Tue 8/12

11:25-18:45

1 stop15h 20m

£665

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 16/8

16:35-14:35

1 stop14h 00m

Belfast City

Tue 25/8

19:30-13:50

1 stop26h 20m

£672

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Fri 9/10

06:00-16:30

3 stops26h 30m

Belfast Intl

Sat 17/10

20:15-15:55

2 stops27h 40m

£679

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Fri 9/10

06:00-16:30

2 stops26h 30m

Belfast Intl

Sat 17/10

20:15-15:55

2 stops27h 40m

£699

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

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

Virgin Atlantic and British Airways are the most popular carriers operating from San Francisco to Belfast

Cheap San Francisco to Belfast flight deals and tips

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

Fastest flight time

13h 25m

Direct flights

None
The fastest flight from San Francisco to Belfast takes 13h 25m
There are no direct flights from San Francisco to Belfast. There are no popular flight routes from San Francisco to Belfast.
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Frequently asked questions about flying from San Francisco to Belfast

  • How far is San Francisco to Belfast by plane?

    The straight-line distance from San Francisco to Belfast is 5028.4 mi. A reasonable flight in good conditions will take 13h 25m.

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

    Prices for flights from San Francisco Airport to Belfast refresh daily.

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to Belfast. momondo saves you time and could save you money on your trip.

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

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

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

momondo helps you find the best flight between San Francisco 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 Francisco to Belfast right now. Can momondo alert me if prices change?

Price alerts on flights to Belfast from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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