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$624+ Cheap flights from Belfast to San Francisco (SFO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SFO
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Belfast to San Francisco

Best flights from Belfast to San Francisco
Discover carefully curated flight deals from Belfast to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This Trip.com deal was found by Cheapflights users on 12/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/127:25 amBHD - SFO
1 stop19h 20mMultiple Airlines
Wed 2/251:47 pmSFO - BHD
2 stops21h 33mMultiple Airlines
Deal found 12/21$624
This British Airways deal was found by Cheapflights users on 12/21. 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.
Wed 3/1812:25 pmBHD - SFO
1 stop14h 20mBritish Airways
Sun 3/226:00 amSFO - BHD
2 stops27h 50mBritish Airways
Deal found 12/21$682
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2311:30 amBHD - SFO
1 stop15h 15mAmerican Airlines
Sat 4/181:24 pmSFO - BHD
2 stops17h 41mAmerican Airlines
Deal found 12/20$688
This KLM deal was found by Cheapflights users on 12/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:30 amBHD - SFO
1 stop13h 20mKLM
Sat 4/181:45 pmSFO - BHD
1 stop35h 35mKLM
Deal found 12/20$695
This Trip.com deal was found by Cheapflights users on 12/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:00 amBFS - SFO
1 stop19h 00mMultiple Airlines
Wed 2/2512:50 pmSFO - BFS
1 stop19h 05mMultiple Airlines
Deal found 12/21$631
This TravelUp deal was found by Cheapflights users on 12/20. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:35 amBHD - SFO
1 stop16h 25mBritish Airways
Sat 4/1810:41 amSFO - BHD
2 stops15h 29mBritish Airways
Deal found 12/20$683
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:45 amBHD - SFO
2 stops20h 35mAmerican Airlines
Sat 4/1810:41 amSFO - BHD
2 stops17h 34mAmerican Airlines
Deal found 12/20$694
This British Airways deal was found by Cheapflights users on 12/20. 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.
Mon 3/236:35 amBHD - SFO
1 stop16h 25mBritish Airways
Sat 4/184:35 pmSFO - BHD
1 stop32h 30mBritish Airways
Deal found 12/20$703

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 December 23, 2025.

Round-trip from

$621
(Trip.com)

Popular in

July

Cheapest in

January

Average price

$953
From Belfast to San Francisco
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 23, 2025.
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

Thu 2/12

7:25 am-6:45 pm

1 stop19h 20m

San Francisco

Wed 2/25

1:47 pm-7:20 pm

2 stops21h 33m

$624

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 2/12

6:00 am-5:00 pm

1 stop19h 00m

San Francisco

Wed 2/25

12:50 pm-3:55 pm

1 stop19h 05m

$631

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 3/18

12:25 pm-7:45 pm

1 stop14h 20m

San Francisco

Sun 3/22

6:00 am-4:50 pm

2 stops27h 50m

$682

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 3/25

6:35 am-4:00 pm

1 stop16h 25m

San Francisco

Sat 4/18

10:41 am-10:10 am

2 stops15h 29m

$683

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 3/23

11:30 am-7:45 pm

1 stop15h 15m

San Francisco

Sat 4/18

1:24 pm-3:05 pm

2 stops17h 41m

$688

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 3/24

8:45 am-10:20 pm

2 stops20h 35m

San Francisco

Sat 4/18

10:41 am-12:15 pm

2 stops17h 34m

$694

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 3/24

6:30 am-12:50 pm

1 stop13h 20m

San Francisco

Sat 4/18

1:45 pm-9:20 am

1 stop35h 35m

$695

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 3/23

6:35 am-4:00 pm

1 stop16h 25m

San Francisco

Sat 4/18

4:35 pm-9:05 am

1 stop32h 30m

$703

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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 14h 20m. 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
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Redwood City
Sunnyvale
Santa Clara
San Bruno
Daly City
San Carlos
Vallejo
Hollister
San Ramon
Foster City
Union City
Davis
Emeryville

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