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Cheap flights from Northern Ireland to San Francisco from $483

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to San Francisco departing on 2/16. 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 Northern Ireland to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:45 am - 9:13 pm
BHD
-
SFO
21h 28m
2 stops
British Airways Logo
9:55 pm - 8:25 am
SFO
-
BHD
27h 30m
2 stops
$827British Airways
Fri, Mar 13 - Mon, Mar 16
British Airways Logo
6:45 am - 9:13 pm
BHD
-
SFO
21h 28m
2 stops
British Airways Logo
6:21 am - 10:40 am
SFO
-
BHD
21h 19m
2 stops
$828British Airways
Fri, Mar 13 - Mon, Mar 16
British Airways Logo
6:45 am - 9:13 pm
BHD
-
SFO
21h 28m
2 stops
British Airways Logo
6:00 am - 10:40 am
SFO
-
BHD
21h 40m
2 stops
$829British Airways
Fri, Mar 13 - Mon, Mar 16
British Airways Logo
8:45 am - 11:57 pm
BHD
-
SFO
22h 12m
2 stops
British Airways Logo
6:21 am - 10:40 am
SFO
-
BHD
21h 19m
2 stops
$830British Airways
Fri, Mar 13 - Mon, Mar 16
British Airways Logo
7:35 pm - 1:50 pm
BHD
-
SFO
26h 15m
1 stop
British Airways Logo
4:15 pm - 7:40 pm
SFO
-
BHD
19h 25m
2 stops
$839British Airways
Fri, Apr 24 - Tue, Apr 28
British Airways Logo
6:30 am - 1:50 pm
BHD
-
SFO
15h 20m
1 stop
British Airways Logo
10:42 am - 3:20 pm
SFO
-
BHD
20h 38m
2 stops
$840British Airways
Fri, Apr 24 - Tue, Apr 28
British Airways Logo
7:35 pm - 1:50 pm
BHD
-
SFO
26h 15m
1 stop
British Airways Logo
4:15 pm - 7:40 pm
SFO
-
BHD
19h 25m
2 stops
$841British Airways
Fri, Apr 24 - Tue, Apr 28
British Airways Logo
8:10 pm - 7:04 pm
BHD
-
SFO
30h 54m
2 stops
British Airways Logo
1:28 pm - 3:20 pm
SFO
-
BHD
17h 52m
2 stops
$843British Airways
Fri, Apr 24 - Tue, Apr 28
Multiple Airlines Logo
4:35 pm - 3:35 pm
BFS
-
SFO
30h 00m
2 stops
Multiple Airlines Logo
4:45 pm - 9:40 pm
SFO
-
BFS
20h 55m
2 stops
$1,229Multiple Airlines
Thu, Mar 26 - Thu, Apr 2
Multiple Airlines Logo
4:35 pm - 3:35 pm
BFS
-
SFO
30h 00m
2 stops
Multiple Airlines Logo
4:45 pm - 9:40 pm
SFO
-
BFS
20h 55m
3 stops
$1,237Multiple Airlines
Thu, Mar 26 - Thu, Apr 2

British Airways flights from Northern Ireland to San Francisco

Our best British Airways deals on Northern Ireland to San Francisco flight tickets
British Airways
Mar 13
BHD6:45 amBelfast City
21h 28m
2 stops
SFO9:13 pmSan Francisco
Mar 16
SFO9:55 pmSan Francisco
27h 30m
2 stops
BHD8:25 amBelfast City
$827
British Airways
Mar 13
BHD6:45 amBelfast City
21h 28m
2 stops
SFO9:13 pmSan Francisco
Mar 16
SFO6:21 amSan Francisco
21h 19m
2 stops
BHD10:40 amBelfast City
$828
British Airways
Mar 13
BHD6:45 amBelfast City
21h 28m
2 stops
SFO9:13 pmSan Francisco
Mar 16
SFO6:00 amSan Francisco
21h 40m
2 stops
BHD10:40 amBelfast City
$829

momondo Fare Finder

 
Customize your flight search to find flights from Northern Ireland to San Francisco 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 832,500 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Northern Ireland to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 3/13

6:45 am-9:13 pm

2 stops21h 28m

San Francisco

Mon 3/16

9:55 pm-8:25 am

2 stops27h 30m

$827

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 3/13

6:45 am-9:13 pm

2 stops21h 28m

San Francisco

Mon 3/16

6:21 am-10:40 am

2 stops21h 19m

$828

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 3/13

6:45 am-9:13 pm

2 stops21h 28m

San Francisco

Mon 3/16

6:00 am-10:40 am

2 stops21h 40m

$829

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 3/13

8:45 am-11:57 pm

2 stops22h 12m

San Francisco

Mon 3/16

6:21 am-10:40 am

2 stops21h 19m

$830

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 4/24

7:35 pm-1:50 pm

1 stop26h 15m

San Francisco

Tue 4/28

4:15 pm-7:40 pm

2 stops19h 25m

$839

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 4/24

6:30 am-1:50 pm

1 stop15h 20m

San Francisco

Tue 4/28

10:42 am-3:20 pm

2 stops20h 38m

$840

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 4/24

7:35 pm-1:50 pm

1 stop26h 15m

San Francisco

Tue 4/28

4:15 pm-7:40 pm

2 stops19h 25m

$841

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 4/24

8:10 pm-7:04 pm

2 stops30h 54m

San Francisco

Tue 4/28

1:28 pm-3:20 pm

2 stops17h 52m

$843

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 3/26

4:35 pm-3:35 pm

2 stops30h 00m

San Francisco

Thu 4/2

4:45 pm-9:40 pm

2 stops20h 55m

$1,229

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 3/26

4:35 pm-3:35 pm

2 stops30h 00m

San Francisco

Thu 4/2

4:45 pm-9:40 pm

3 stops20h 55m

$1,237

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Northern Ireland to San Francisco

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

Can stopping save me money on Northern Ireland to San Francisco flights?

You could potentially save up to 34% on your flight if you consider stops on a Northern Ireland to San Francisco flight.

Cheap Northern Ireland to San Francisco flight deals and tips

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

Fastest flight time

15h 20m

Direct flights

None
The fastest flight from Northern Ireland to San Francisco takes 15h 20m
There are no direct flights from Northern Ireland to San Francisco. There are no popular flight routes from Northern Ireland to San Francisco.
Search flight deals

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

    Prices for flights from Northern Ireland to San Francisco Airport are updated daily.

  • How old do you have to be to fly from Northern Ireland to San Francisco Airport?

    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 Northern Ireland to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport 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 San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Walnut Creek
Santa Clara
Calistoga
Berkeley
Big Sur
Fremont
Daly City
Half Moon Bay
Salinas
Vallejo
Sunnyvale
Milpitas
Turlock

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to San Francisco?

Finding the right flight to San Francisco from Northern Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

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

Yes. All flights to San Francisco from Northern Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 San Francisco from Northern Ireland.

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

Yes. momondo can track prices for Northern Ireland to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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