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Cheap flights from San Francisco to Belfast from £180

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 9/8. 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 to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
19:30 - 17:35
SFO
-
BHD
14h 05m
1 stop
British Airways Logo
20:25 - 13:50
BHD
-
SFO
25h 25m
1 stop
£586British Airways
Tue, 8 Sep - Tue, 29 Sep
Multiple Airlines Logo
10:03 - 10:30
SFO
-
BHD
17h 27m
2 stops
Multiple Airlines Logo
06:30 - 17:40
BHD
-
SFO
19h 10m
1 stop
£589Multiple Airlines
Tue, 24 Mar - Thu, 16 Apr
British Airways Logo
18:30 - 14:50
SFO
-
BHD
13h 20m
1 stop
British Airways Logo
06:30 - 13:50
BHD
-
SFO
15h 20m
1 stop
£590British Airways
Tue, 24 Mar - Thu, 16 Apr
American Airlines Logo
10:03 - 11:30
SFO
-
BHD
18h 27m
2 stops
American Airlines Logo
06:30 - 19:04
BHD
-
SFO
20h 34m
2 stops
£595American Airlines
Tue, 24 Mar - Thu, 16 Apr
British Airways Logo
19:30 - 17:35
SFO
-
BHD
14h 05m
1 stop
British Airways Logo
07:05 - 13:50
BHD
-
SFO
14h 45m
1 stop
£612British Airways
Tue, 8 Sep - Sat, 3 Oct
Delta Logo
14:55 - 21:00
SFO
-
BHD
23h 05m
1 stop
Delta Logo
09:50 - 23:19
BHD
-
SFO
21h 29m
2 stops
£618Delta
Tue, 24 Mar - Mon, 30 Mar
Delta Logo
07:00 - 16:50
SFO
-
BHD
26h 50m
2 stops
Delta Logo
09:50 - 23:19
BHD
-
SFO
21h 29m
2 stops
£621Delta
Tue, 24 Mar - Mon, 30 Mar
Virgin Atlantic Logo
14:55 - 16:50
SFO
-
BHD
18h 55m
1 stop
Virgin Atlantic Logo
17:30 - 11:45
BHD
-
SFO
26h 15m
1 stop
£637Virgin Atlantic
Tue, 24 Mar - Mon, 30 Mar
British Airways Logo
07:25 - 14:50
SFO
-
BHD
24h 25m
2 stops
British Airways Logo
06:30 - 17:40
BHD
-
SFO
19h 10m
1 stop
£643British Airways
Tue, 24 Mar - Thu, 16 Apr
KLM Logo
14:55 - 16:50
SFO
-
BHD
18h 55m
1 stop
KLM Logo
09:50 - 00:35
BHD
-
SFO
22h 45m
2 stops
£645KLM
Tue, 24 Mar - Mon, 30 Mar

American Airlines flights from San Francisco to Belfast

Our best American Airlines deals on San Francisco to Belfast flight tickets
American Airlines
24 Mar
SFO10:03San Francisco
18h 27m
2 stops
BHD11:30Belfast City
16 Apr
BHD06:30Belfast City
20h 34m
2 stops
SFO19:04San Francisco
£595
American Airlines
1 Jul
SFO14:47San Francisco
16h 53m
2 stops
BHD15:40Belfast City
8 Jul
BHD11:35Belfast City
20h 16m
2 stops
SFO23:51San Francisco
£858
American Airlines
1 Jul
SFO14:47San Francisco
16h 53m
2 stops
BHD15:40Belfast City
8 Jul
BHD06:30Belfast City
20h 39m
2 stops
SFO19:09San Francisco
£880

British Airways flights from San Francisco to Belfast

Our best British Airways deals on San Francisco to Belfast flight tickets
British Airways
8 Sept
SFO19:30San Francisco
14h 05m
1 stop
BHD17:35Belfast City
29 Sept
BHD20:25Belfast City
25h 25m
1 stop
SFO13:50San Francisco
£586
British Airways
24 Mar
SFO18:30San Francisco
13h 20m
1 stop
BHD14:50Belfast City
16 Apr
BHD06:30Belfast City
15h 20m
1 stop
SFO13:50San Francisco
£590
British Airways
8 Sept
SFO19:30San Francisco
14h 05m
1 stop
BHD17:35Belfast City
3 Oct
BHD07:05Belfast City
14h 45m
1 stop
SFO13:50San Francisco
£612

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 13 March 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

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 8/9

19:30-17:35

1 stop14h 05m

Belfast City

Tue 29/9

20:25-13:50

1 stop25h 25m

£586

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

10:03-10:30

2 stops17h 27m

Belfast City

Thu 16/4

06:30-17:40

1 stop19h 10m

£589
Fastest return journey

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

18:30-14:50

1 stop13h 20m

Belfast City

Thu 16/4

06:30-13:50

1 stop15h 20m

£590

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

10:03-11:30

2 stops18h 27m

Belfast City

Thu 16/4

06:30-19:04

2 stops20h 34m

£595

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 8/9

19:30-17:35

1 stop14h 05m

Belfast City

Sat 3/10

07:05-13:50

1 stop14h 45m

£612

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

14:55-21:00

1 stop23h 05m

Belfast City

Mon 30/3

09:50-23:19

2 stops21h 29m

£618

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

07:00-16:50

2 stops26h 50m

Belfast City

Mon 30/3

09:50-23:19

2 stops21h 29m

£621

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

14:55-16:50

1 stop18h 55m

Belfast City

Mon 30/3

17:30-11:45

1 stop26h 15m

£637

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

07:25-14:50

2 stops24h 25m

Belfast City

Thu 16/4

06:30-17:40

1 stop19h 10m

£643

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

14:55-16:50

1 stop18h 55m

Belfast City

Mon 30/3

09:50-00:35

2 stops22h 45m

£645

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between San Francisco and Belfast?

What is the cheapest month to fly to Belfast?

The cheapest month to fly to Belfast from San Francisco is in April. Flight prices, which tend to average around £439, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belfast during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £459.

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

14h 00m

Direct flights

None
The fastest flight from San Francisco to Belfast takes 14h 00m
There are no direct flights from San Francisco to Belfast. There are no popular flight routes from San Francisco to Belfast.
Search flight deals

  • How far is San Francisco to Belfast by plane?

    The straight-line distance from San Francisco to Belfast is 5028.1 mi. A reasonable flight in good conditions will take 14h 00m.

  • 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