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Cheap flights from Belfast to San Francisco from $475

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to San Francisco departing on 9/3. 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 Belfast to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:30 am - 1:50 pm
BHD
-
SFO
15h 20m
1 stop
British Airways Logo
9:49 pm - 8:50 am
SFO
-
BHD
27h 01m
2 stops
$823British Airways
Wed, Sep 2 - Sun, Sep 6
British Airways Logo
6:30 am - 1:50 pm
BHD
-
SFO
15h 20m
1 stop
British Airways Logo
9:49 pm - 8:50 am
SFO
-
BHD
27h 01m
2 stops
$824British Airways
Wed, Sep 2 - Sun, Sep 6
British Airways Logo
6:30 am - 1:50 pm
BHD
-
SFO
15h 20m
1 stop
British Airways Logo
4:35 pm - 3:20 pm
SFO
-
BHD
14h 45m
1 stop
$825British Airways
Tue, Jul 28 - Tue, Aug 18
American Airlines Logo
11:35 am - 12:58 am
BHD
-
SFO
21h 23m
2 stops
American Airlines Logo
10:16 am - 3:20 pm
SFO
-
BHD
21h 04m
2 stops
$827American Airlines
Wed, Jul 29 - Tue, Aug 18
British Airways Logo
6:30 am - 10:28 pm
BHD
-
SFO
23h 58m
2 stops
British Airways Logo
4:35 pm - 5:30 pm
SFO
-
BHD
16h 55m
1 stop
$829British Airways
Mon, Jul 27 - Mon, Aug 17
British Airways Logo
9:40 am - 8:54 pm
BHD
-
SFO
19h 14m
2 stops
British Airways Logo
11:22 am - 3:30 pm
SFO
-
BHD
20h 08m
2 stops
$831British Airways
Mon, Jul 27 - Mon, Aug 17
Multiple Airlines Logo
6:30 am - 5:40 pm
BHD
-
SFO
19h 10m
1 stop
Multiple Airlines Logo
4:15 pm - 6:10 pm
SFO
-
BHD
17h 55m
2 stops
$843Multiple Airlines
Fri, Apr 24 - Fri, May 1
Multiple Airlines Logo
6:30 am - 11:59 pm
BHD
-
SFO
25h 29m
2 stops
Multiple Airlines Logo
1:40 pm - 6:10 pm
SFO
-
BHD
20h 30m
2 stops
$849Multiple Airlines
Fri, Apr 24 - Fri, May 1
British Airways Logo
6:30 am - 1:50 pm
BHD
-
SFO
15h 20m
1 stop
British Airways Logo
9:49 pm - 8:50 am
SFO
-
BHD
27h 01m
2 stops
$856British Airways
Wed, Sep 2 - Sun, Sep 6
British Airways Logo
10:05 am - 9:33 pm
BHD
-
SFO
19h 28m
2 stops
British Airways Logo
9:49 pm - 8:50 am
SFO
-
BHD
27h 01m
2 stops
$861British Airways
Wed, Sep 2 - Sun, Sep 6

British Airways flights from Belfast to San Francisco

Our best British Airways deals on Belfast to San Francisco flight tickets
British Airways
Sep 2
BHD6:30 amBelfast City
15h 20m
1 stop
SFO1:50 pmSan Francisco
Sep 6
SFO9:49 pmSan Francisco
27h 01m
2 stops
BHD8:50 amBelfast City
$823
British Airways
Sep 2
BHD6:30 amBelfast City
15h 20m
1 stop
SFO1:50 pmSan Francisco
Sep 6
SFO9:49 pmSan Francisco
27h 01m
2 stops
BHD8:50 amBelfast City
$824
British Airways
Jul 28
BHD6:30 amBelfast City
15h 20m
1 stop
SFO1:50 pmSan Francisco
Aug 18
SFO4:35 pmSan Francisco
14h 45m
1 stop
BHD3:20 pmBelfast City
$825

American Airlines flights from Belfast to San Francisco

Our best American Airlines deals on Belfast to San Francisco flight tickets
American Airlines
Jul 29
BHD11:35 amBelfast City
21h 23m
2 stops
SFO12:58 amSan Francisco
Aug 18
SFO10:16 amSan Francisco
21h 04m
2 stops
BHD3:20 pmBelfast City
$827
American Airlines
Jul 25
BHD7:05 amBelfast City
21h 00m
2 stops
SFO8:05 pmSan Francisco
Aug 18
SFO4:35 pmSan Francisco
14h 45m
1 stop
BHD3:20 pmBelfast City
$867
American Airlines
Jul 25
BHD7:05 amBelfast City
21h 00m
2 stops
SFO8:05 pmSan Francisco
Aug 16
SFO3:21 pmSan Francisco
19h 24m
2 stops
BHD6:45 pmBelfast City
$906

momondo Fare Finder

 
Customize your flight search to find flights from Belfast 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 April 1, 2026.
Use the filters below to find and compare flights from Belfast 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

Wed 9/2

6:30 am-1:50 pm

1 stop15h 20m

San Francisco

Sun 9/6

9:49 pm-8:50 am

2 stops27h 01m

$823

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 9/2

6:30 am-1:50 pm

1 stop15h 20m

San Francisco

Sun 9/6

9:49 pm-8:50 am

2 stops27h 01m

$824
Quickest round-trip

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 7/28

6:30 am-1:50 pm

1 stop15h 20m

San Francisco

Tue 8/18

4:35 pm-3:20 pm

1 stop14h 45m

$825

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 7/29

11:35 am-12:58 am

2 stops21h 23m

San Francisco

Tue 8/18

10:16 am-3:20 pm

2 stops21h 04m

$827

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 7/27

6:30 am-10:28 pm

2 stops23h 58m

San Francisco

Mon 8/17

4:35 pm-5:30 pm

1 stop16h 55m

$829

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 7/27

9:40 am-8:54 pm

2 stops19h 14m

San Francisco

Mon 8/17

11:22 am-3:30 pm

2 stops20h 08m

$831

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 4/24

6:30 am-5:40 pm

1 stop19h 10m

San Francisco

Fri 5/1

4:15 pm-6:10 pm

2 stops17h 55m

$843

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 4/24

6:30 am-11:59 pm

2 stops25h 29m

San Francisco

Fri 5/1

1:40 pm-6:10 pm

2 stops20h 30m

$849

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 9/2

6:30 am-1:50 pm

1 stop15h 20m

San Francisco

Sun 9/6

9:49 pm-8:50 am

2 stops27h 01m

$856

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 9/2

10:05 am-9:33 pm

2 stops19h 28m

San Francisco

Sun 9/6

9:49 pm-8:50 am

2 stops27h 01m

$861

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Belfast 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 typical price of a round-trip flight between Belfast and San Francisco?

Cheap Belfast to San Francisco flight deals and tips

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

Fastest flight time

15h 20m

Direct flights

None
The fastest flight from Belfast to San Francisco takes 15h 20m
There are no direct flights from Belfast to San Francisco. There are no popular flight routes from Belfast to San Francisco.
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Frequently asked questions about flying from Belfast to San Francisco

  • How far is Belfast to San Francisco by plane?

    The straight-line distance from Belfast to San Francisco is 5028.4 mi. 15h 20m is a normal flight duration for this route.

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

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

  • How many operators does momondo search for flights from Belfast to San Francisco Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast to San Francisco Airport.

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

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Belfast to San Francisco

Compare and see reviews for airlines that fly from Belfast to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $542Free CancellationRating
6.7
7,841 reviews
Search British Airways flights

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to San Francisco. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to San Francisco from Belfast which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to San Francisco.

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

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Belfast and alert you when they change.

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