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Cheap flights from San Francisco Bay Area to Belfast from £209

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 14/4. 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 - 20:35
SFO
-
BHD
17h 05m
1 stop
British Airways Logo
06:30 - 13:50
BHD
-
SFO
15h 20m
1 stop
£485British Airways
Sun, 10 May - Tue, 19 May
British Airways Logo
11:15 - 14:35
SFO
-
BHD
19h 20m
2 stops
British Airways Logo
19:30 - 13:50
BHD
-
SFO
26h 20m
1 stop
£486British Airways
Sun, 10 May - Tue, 19 May
Delta Logo
13:55 - 16:50
SFO
-
BHD
18h 55m
1 stop
Delta Logo
17:20 - 11:50
BHD
-
SFO
26h 30m
1 stop
£493Delta
Tue, 17 Feb - Thu, 5 Mar
Delta Logo
05:55 - 16:50
SFO
-
BHD
26h 55m
2 stops
Delta Logo
06:30 - 12:50
BHD
-
SFO
13h 20m
1 stop
£496Delta
Tue, 17 Feb - Wed, 18 Mar
British Airways Logo
17:30 - 19:10
SFO
-
BHD
17h 40m
1 stop
British Airways Logo
09:15 - 19:45
BHD
-
SFO
17h 30m
1 stop
£499British Airways
Wed, 18 Feb - Wed, 18 Mar
Delta Logo
05:55 - 16:50
SFO
-
BHD
26h 55m
2 stops
Delta Logo
06:30 - 22:41
BHD
-
SFO
24h 11m
2 stops
£504Delta
Tue, 17 Feb - Wed, 4 Mar
Multiple Airlines Logo
19:35 - 23:35
SFO
-
BFS
20h 00m
2 stops
Multiple Airlines Logo
14:45 - 20:50
BFS
-
SFO
38h 05m
1 stop
£645Multiple Airlines
Sun, 10 May - Tue, 19 May
KLM Logo
13:50 - 16:55
SJC
-
BHD
19h 05m
2 stops
KLM Logo
17:30 - 17:04
BHD
-
SJC
31h 34m
2 stops
£647KLM
Tue, 9 Jun - Mon, 15 Jun
KLM Logo
11:30 - 16:55
SJC
-
BHD
21h 25m
2 stops
KLM Logo
17:30 - 17:04
BHD
-
SJC
31h 34m
2 stops
£648KLM
Tue, 9 Jun - Mon, 15 Jun
Multiple Airlines Logo
14:40 - 21:00
SFO
-
BFS
22h 20m
2 stops
Multiple Airlines Logo
20:15 - 15:55
BFS
-
SFO
27h 40m
2 stops
£705Multiple Airlines
Sun, 10 May - Tue, 19 May

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
10 May
SFO19:30San Francisco
17h 05m
1 stop
BHD20:35Belfast City
19 May
BHD06:30Belfast City
15h 20m
1 stop
SFO13:50San Francisco
£485
British Airways
10 May
SFO11:15San Francisco
19h 20m
2 stops
BHD14:35Belfast City
19 May
BHD19:30Belfast City
26h 20m
1 stop
SFO13:50San Francisco
£486
British Airways
18 Feb
SFO20:40San Francisco
15h 35m
1 stop
BHD20:15Belfast City
5 Mar
BHD10:40Belfast City
16h 05m
1 stop
SFO18:45San Francisco
£499

KLM flights from San Francisco Bay Area to Belfast

Our best KLM deals on San Francisco Bay Area to Belfast flight tickets
KLM
9 Jun
SFO13:45San Francisco
35h 35m
1 stop
BHD09:20Belfast City
15 Jun
BHD09:50Belfast City
33h 55m
1 stop
SFO11:45San Francisco
£637
KLM
9 Jun
SJC13:50San Jose
19h 05m
2 stops
BHD16:55Belfast City
15 Jun
BHD17:30Belfast City
31h 34m
2 stops
SJC17:04San Jose
£647
KLM
9 Jun
SJC11:30San Jose
21h 25m
2 stops
BHD16:55Belfast City
15 Jun
BHD17:30Belfast City
31h 34m
2 stops
SJC17:04San Jose
£648

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 7 February 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

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 10/5

19:30-20:35

1 stop17h 05m

Belfast City

Tue 19/5

06:30-13:50

1 stop15h 20m

£485

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 10/5

11:15-14:35

2 stops19h 20m

Belfast City

Tue 19/5

19:30-13:50

1 stop26h 20m

£486

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 17/2

13:55-16:50

1 stop18h 55m

Belfast City

Thu 5/3

17:20-11:50

1 stop26h 30m

£493

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 17/2

05:55-16:50

2 stops26h 55m

Belfast City

Wed 18/3

06:30-12:50

1 stop13h 20m

£496

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 18/2

17:30-19:10

1 stop17h 40m

Belfast City

Wed 18/3

09:15-19:45

1 stop17h 30m

£499

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 17/2

05:55-16:50

2 stops26h 55m

Belfast City

Wed 4/3

06:30-22:41

2 stops24h 11m

£504

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Sun 10/5

19:35-23:35

2 stops20h 00m

Belfast Intl

Tue 19/5

14:45-20:50

1 stop38h 05m

£645

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 9/6

13:50-16:55

2 stops19h 05m

Belfast City

Mon 15/6

17:30-17:04

2 stops31h 34m

£647

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 9/6

11:30-16:55

2 stops21h 25m

Belfast City

Mon 15/6

17:30-17:04

2 stops31h 34m

£648

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Sun 10/5

14:40-21:00

2 stops22h 20m

Belfast Intl

Tue 19/5

20:15-15:55

2 stops27h 40m

£705

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 month to fly to Belfast?

The cheapest month to fly to Belfast from San Francisco Bay Area is in April. Flight prices, which tend to average around £457, 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 October is also cheap. Prices for this month can be found on momondo for an average of £478.

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

17h 40m

Direct flights

None
The fastest flight from San Francisco Bay Area to Belfast takes 17h 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.
Search flight deals

  • 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