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Cheap flights from Northern Ireland to San Francisco from $468

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 8/24. 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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0 bags

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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
7:30 pm - 1:50 pm
BHD
-
SFO
26h 20m
1 stop
British Airways Logo
4:21 pm - 6:10 pm
SFO
-
BHD
17h 49m
2 stops
$911British Airways
Tue, Sep 1 - Fri, Sep 25
British Airways Logo
9:40 am - 8:13 pm
BHD
-
SFO
18h 33m
2 stops
British Airways Logo
4:21 pm - 6:10 pm
SFO
-
BHD
17h 49m
2 stops
$917British Airways
Tue, Sep 1 - Fri, Sep 25
Multiple Airlines Logo
5:30 pm - 11:45 am
BHD
-
SFO
26h 15m
1 stop
Multiple Airlines Logo
1:05 pm - 4:55 pm
SFO
-
BHD
19h 50m
2 stops
$920Multiple Airlines
Mon, Aug 31 - Thu, Sep 24
American Airlines Logo
6:30 am - 1:50 pm
BHD
-
SFO
15h 20m
1 stop
American Airlines Logo
7:30 pm - 7:50 pm
SFO
-
BHD
16h 20m
1 stop
$924American Airlines
Wed, Sep 2 - Wed, Sep 23
Multiple Airlines Logo
9:50 am - 11:52 pm
BHD
-
SFO
22h 02m
2 stops
Multiple Airlines Logo
1:05 pm - 4:55 pm
SFO
-
BHD
19h 50m
2 stops
$926Multiple Airlines
Wed, Sep 2 - Thu, Sep 24
American Airlines Logo
6:30 am - 5:40 pm
BHD
-
SFO
19h 10m
1 stop
American Airlines Logo
10:45 am - 12:00 pm
SFO
-
BHD
17h 15m
2 stops
$930American Airlines
Tue, Sep 1 - Wed, Sep 23
American Airlines Logo
1:45 pm - 12:59 am
BHD
-
SFO
19h 14m
2 stops
American Airlines Logo
11:15 am - 12:00 pm
SFO
-
BHD
16h 45m
2 stops
$936American Airlines
Tue, Sep 1 - Wed, Sep 23
Multiple Airlines Logo
9:35 am - 5:40 pm
BHD
-
SFO
16h 05m
1 stop
Multiple Airlines Logo
9:24 pm - 8:50 am
SFO
-
BHD
27h 26m
2 stops
$939Multiple Airlines
Thu, Sep 3 - Sun, Sep 13
American Airlines Logo
3:50 pm - 1:50 pm
BHD
-
SFO
30h 00m
1 stop
American Airlines Logo
4:35 pm - 3:30 pm
SFO
-
BHD
14h 55m
1 stop
$942American Airlines
Sun, Aug 30 - Thu, Sep 24
British Airways Logo
6:30 am - 1:50 pm
BHD
-
SFO
15h 20m
1 stop
British Airways Logo
9:24 pm - 8:50 am
SFO
-
BHD
27h 26m
2 stops
$944British Airways
Thu, Sep 3 - Sun, Sep 13

British Airways flights from Northern Ireland to San Francisco

Our best British Airways deals on Northern Ireland to San Francisco flight tickets
British Airways
Sep 1
BHD7:30 pmBelfast City
26h 20m
1 stop
SFO1:50 pmSan Francisco
Sep 25
SFO4:21 pmSan Francisco
17h 49m
2 stops
BHD6:10 pmBelfast City
$911
British Airways
Sep 1
BHD9:40 amBelfast City
18h 33m
2 stops
SFO8:13 pmSan Francisco
Sep 25
SFO4:21 pmSan Francisco
17h 49m
2 stops
BHD6:10 pmBelfast City
$917
British Airways
Sep 3
BHD6:30 amBelfast City
15h 20m
1 stop
SFO1:50 pmSan Francisco
Sep 13
SFO9:24 pmSan Francisco
27h 26m
2 stops
BHD8:50 amBelfast City
$944

American Airlines flights from Northern Ireland to San Francisco

Our best American Airlines deals on Northern Ireland to San Francisco flight tickets
American Airlines
Sep 2
BHD6:30 amBelfast City
15h 20m
1 stop
SFO1:50 pmSan Francisco
Sep 24
SFO4:35 pmSan Francisco
14h 55m
1 stop
BHD3:30 pmBelfast City
$924
American Airlines
Sep 1
BHD6:30 amBelfast City
19h 10m
1 stop
SFO5:40 pmSan Francisco
Sep 23
SFO10:45 amSan Francisco
17h 15m
2 stops
BHD12:00 pmBelfast City
$930
American Airlines
Sep 1
BHD1:45 pmBelfast City
19h 14m
2 stops
SFO12:59 amSan Francisco
Sep 23
SFO11:15 amSan Francisco
16h 45m
2 stops
BHD12:00 pmBelfast City
$936

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 May 15, 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

Cheapest round-trip

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 9/1

7:30 pm-1:50 pm

1 stop26h 20m

San Francisco

Fri 9/25

4:21 pm-6:10 pm

2 stops17h 49m

$911

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 9/1

9:40 am-8:13 pm

2 stops18h 33m

San Francisco

Fri 9/25

4:21 pm-6:10 pm

2 stops17h 49m

$917

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 8/31

5:30 pm-11:45 am

1 stop26h 15m

San Francisco

Thu 9/24

1:05 pm-4:55 pm

2 stops19h 50m

$920
Quickest round-trip

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 9/2

6:30 am-1:50 pm

1 stop15h 20m

San Francisco

Wed 9/23

7:30 pm-7:50 pm

1 stop16h 20m

$924

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 9/2

9:50 am-11:52 pm

2 stops22h 02m

San Francisco

Thu 9/24

1:05 pm-4:55 pm

2 stops19h 50m

$926

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 9/1

6:30 am-5:40 pm

1 stop19h 10m

San Francisco

Wed 9/23

10:45 am-12:00 pm

2 stops17h 15m

$930

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 9/1

1:45 pm-12:59 am

2 stops19h 14m

San Francisco

Wed 9/23

11:15 am-12:00 pm

2 stops16h 45m

$936

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 9/3

9:35 am-5:40 pm

1 stop16h 05m

San Francisco

Sun 9/13

9:24 pm-8:50 am

2 stops27h 26m

$939

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Sun 8/30

3:50 pm-1:50 pm

1 stop30h 00m

San Francisco

Thu 9/24

4:35 pm-3:30 pm

1 stop14h 55m

$942

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 9/3

6:30 am-1:50 pm

1 stop15h 20m

San Francisco

Sun 9/13

9:24 pm-8:50 am

2 stops27h 26m

$944

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $0.

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

You could potentially save up to 3% 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

17h 30m

Direct flights

None
The fastest flight from Northern Ireland to San Francisco takes 17h 30m
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

Frequently asked questions about flying from Northern Ireland to San Francisco

  • 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
Walnut Creek
Bodega Bay
Hayward
Roseville
Santa Clara
Berkeley
Fremont
Vallejo
Big Sur
Sunnyvale
Calistoga
South San Francisco
Salinas
Daly City
Milpitas
Pacific Grove

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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