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Cheap flights from San Francisco Bay Area to Belfast from £288

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 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
19:30 - 19:40
SFO
-
BHD
16h 10m
1 stop
British Airways Logo
11:05 - 18:45
BHD
-
SFO
15h 40m
1 stop
£660British Airways
Tue, 4 Aug - Thu, 4 Feb
British Airways Logo
12:30 - 15:20
SFO
-
BHD
18h 50m
2 stops
British Airways Logo
11:05 - 18:45
BHD
-
SFO
15h 40m
1 stop
£677British Airways
Tue, 4 Aug - Thu, 4 Feb
American Airlines Logo
15:38 - 17:35
SFO
-
BHD
17h 57m
2 stops
American Airlines Logo
06:35 - 18:30
BHD
-
SFO
19h 55m
2 stops
£683American Airlines
Tue, 4 Aug - Thu, 4 Feb
Multiple Airlines Logo
06:00 - 19:50
SFO
-
BFS
29h 50m
3 stops
Multiple Airlines Logo
08:50 - 16:05
BFS
-
SFO
39h 15m
3 stops
£693Multiple Airlines
Tue, 4 Aug - Thu, 4 Feb
British Airways Logo
16:35 - 14:35
SFO
-
BHD
14h 00m
1 stop
British Airways Logo
19:05 - 13:50
BHD
-
SFO
26h 45m
1 stop
£699British Airways
Sun, 13 Sep - Sat, 19 Sep
Multiple Airlines Logo
16:35 - 14:35
SFO
-
BHD
14h 00m
1 stop
Multiple Airlines Logo
07:05 - 20:28
BHD
-
SFO
21h 23m
2 stops
£702Multiple Airlines
Sun, 13 Sep - Sat, 19 Sep
British Airways Logo
07:40 - 10:30
SFO
-
BHD
18h 50m
2 stops
British Airways Logo
19:05 - 16:06
BHD
-
SFO
29h 01m
2 stops
£712British Airways
Sun, 13 Sep - Sat, 19 Sep
KLM Logo
13:24 - 16:55
SJC
-
BHD
19h 31m
2 stops
KLM Logo
17:30 - 20:13
BHD
-
SJC
34h 43m
2 stops
£731KLM
Tue, 4 Aug - Tue, 11 Aug
Virgin Atlantic Logo
07:53 - 09:20
SFO
-
BHD
17h 27m
2 stops
Virgin Atlantic Logo
17:30 - 15:50
BHD
-
SFO
30h 20m
2 stops
£762Virgin Atlantic
Tue, 4 Aug - Tue, 11 Aug
KLM Logo
13:45 - 09:20
SFO
-
BHD
35h 35m
1 stop
KLM Logo
17:30 - 11:45
BHD
-
SFO
26h 15m
1 stop
£764KLM
Tue, 4 Aug - Tue, 11 Aug

Aer Lingus flights from San Francisco Bay Area to Belfast

Our best Aer Lingus deals on San Francisco Bay Area to Belfast flight tickets
Aer Lingus
4 Aug
SFO17:40San Francisco
19h 25m
2 stops
BHD21:05Belfast City
11 Aug
BHD09:40Belfast City
22h 08m
2 stops
SFO23:48San Francisco
£913
Aer Lingus
24 May
SFO19:30San Francisco
15h 15m
1 stop
BHD18:45Belfast City
29 May
BHD07:00Belfast City
16h 50m
2 stops
SFO15:50San Francisco
£1,005
Aer Lingus
24 May
SFO17:40San Francisco
18h 55m
2 stops
BHD20:35Belfast City
29 May
BHD07:00Belfast City
16h 50m
2 stops
SFO15:50San Francisco
£1,009

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
4 Aug
SFO15:38San Francisco
17h 57m
2 stops
BHD17:35Belfast City
4 Feb
BHD06:35Belfast City
19h 55m
2 stops
SFO18:30San Francisco
£683
American Airlines
24 May
SFO13:35San Francisco
17h 00m
2 stops
BHD14:35Belfast City
3 Jun
BHD06:30Belfast City
19h 30m
2 stops
SFO18:00San Francisco
£907
American Airlines
1 Jul
SFO13:35San Francisco
18h 05m
2 stops
BHD15:40Belfast City
8 Jul
BHD06:30Belfast City
19h 28m
2 stops
SFO17:58San Francisco
£961

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 18 May 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
Fastest return journey

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 4/8

19:30-19:40

1 stop16h 10m

Belfast City

Thu 4/2

11:05-18:45

1 stop15h 40m

£660

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 4/8

12:30-15:20

2 stops18h 50m

Belfast City

Thu 4/2

11:05-18:45

1 stop15h 40m

£677

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 4/8

15:38-17:35

2 stops17h 57m

Belfast City

Thu 4/2

06:35-18:30

2 stops19h 55m

£683

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 4/8

06:00-19:50

3 stops29h 50m

Belfast Intl

Thu 4/2

08:50-16:05

3 stops39h 15m

£693

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 13/9

16:35-14:35

1 stop14h 00m

Belfast City

Sat 19/9

19:05-13:50

1 stop26h 45m

£699

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 13/9

16:35-14:35

1 stop14h 00m

Belfast City

Sat 19/9

07:05-20:28

2 stops21h 23m

£702

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 13/9

07:40-10:30

2 stops18h 50m

Belfast City

Sat 19/9

19:05-16:06

2 stops29h 01m

£712

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 4/8

13:24-16:55

2 stops19h 31m

Belfast City

Tue 11/8

17:30-20:13

2 stops34h 43m

£731

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 4/8

07:53-09:20

2 stops17h 27m

Belfast City

Tue 11/8

17:30-15:50

2 stops30h 20m

£762

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 4/8

13:45-09:20

1 stop35h 35m

Belfast City

Tue 11/8

17:30-11:45

1 stop26h 15m

£764

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 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 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

14h 00m

Direct flights

None
The fastest flight from San Francisco Bay Area to Belfast takes 14h 00m
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