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$483+ Cheap flights from Belfast to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SFO
mar. 13 — mar. 201
vie. 3/13
vie. 3/20
1 adult, Economy
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Cheap flight deals from Belfast to San Francisco

Cheapest flights from Belfast to San Francisco
Explore the most affordable flight options available from Belfast to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 11, 2026.

This British Airways deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/136:45 am
BHD
-
SFO
2 stops21h 28m
British Airways
lun. 3/169:55 pm
SFO
-
BHD
2 stops27h 30m
British Airways
Deal found 2/7$827
This British Airways deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/247:35 pm
BHD
-
SFO
1 stop26h 15m
British Airways
mar. 4/284:35 pm
SFO
-
BHD
1 stop14h 45m
British Airways
Deal found 2/7$838
This Mytrip deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/258:20 am
BFS
-
SFO
2 stops19h 15m
Multiple Airlines
mié. 4/18:30 am
SFO
-
BFS
3 stops22h 50m
Multiple Airlines
Deal found 2/8$965
This Booking.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/264:35 pm
BFS
-
SFO
2 stops30h 00m
Multiple Airlines
jue. 4/24:45 pm
SFO
-
BFS
2 stops20h 55m
Multiple Airlines
Deal found 2/9$1,229

Find flight deals from Belfast to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated febrero 11, 2026.

Round-trip from

$827
(British Airways)

One-way from

$483
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$1,190
From Belfast to San Francisco
Search Deals
One-way flight from Belfast to San Francisco
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated febrero 11, 2026.
Use the filters below to find and compare flights from Belfast to San Francisco that are best for you.

Fly from

Belfast

Fly to

San Francisco

Route

Depart

Return

Price

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

vie. 3/13

6:45 am-9:13 pm

2 stops21h 28m

San Francisco

lun. 3/16

9:55 pm-8:25 am

2 stops27h 30m

$827

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

vie. 4/24

6:30 am-1:50 pm

1 stop15h 20m

San Francisco

mar. 4/28

11:52 am-3:20 pm

2 stops19h 28m

$838

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

mié. 3/25

8:20 am-8:35 pm

2 stops19h 15m

San Francisco

mié. 4/1

8:30 am-3:20 pm

3 stops22h 50m

$965

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

jue. 3/26

4:35 pm-3:35 pm

2 stops30h 00m

San Francisco

jue. 4/2

4:45 pm-9:40 pm

2 stops20h 55m

$1,229

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

lun. 2/16

3:20 pm-2:30 pm

3 stops55h 10m

$483

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

lun. 2/16

2:25 pm-3:35 pm

2 stops33h 10m

$692

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

lun. 2/16

1:15 pm-12:40 pm

3 stops31h 25m

$990

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

lun. 2/16

7:25 pm-6:45 pm

1 stop31h 20m

$1,580

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

lun. 2/16

5:20 pm-11:50 am

1 stop26h 30m

$11,113

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Best time to book a flight from Belfast to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Belfast with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Belfast to San Francisco
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Belfast to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Francisco from Belfast?

    San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly into when you book flights from Belfast to San Francisco. 0 airlines have flights to San Francisco from Belfast on a regular basis. Booking flights from Belfast to San Francisco should not be difficult; the airport handles an average of 0 inbound flights from Belfast per day.

  • How long is the flight from Belfast to San Francisco?

    There are many flights that can get you from Belfast to San Francisco in 21h 28m. Fly via British Airways to get the fastest option. The distance from Belfast to San Francisco is about 5038 mi.

  • Can I find deals for flights from Belfast to San Francisco that include hotel bookings?

    Yes. In addition to deals on Belfast to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Belfast to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to San Francisco.

  • Can I find deals for business class flights from Belfast to San Francisco?

    Yes. Cheapflights offers flight deals from Belfast to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
South San Francisco
Santa Clara
Roseville
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
Vacaville
San Carlos
San Ramon
Redwood City
Rancho Cordova
San Lorenzo
Davis
Hollister
Manteca
Union City

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