Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Belfast Intl Airport to San Francisco from $360

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Belfast Intl Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 am - 12:35 amBFS  Belfast Intl-SFO San Francisco
26h 05m3 stops London Gatwick Orlando Denver Intl
Multiple Airlines Logo
6:15 am - 7:10 pmSFO  San Francisco-BFS Belfast Intl
28h 55m3 stops Denver Intl Reykjavik Keflavik Intl Glasgow Intl
$1,175Multiple Airlines
Thu, Dec 24 - Thu, Dec 31
Multiple Airlines Logo
8:50 am - 11:58 pmBFS  Belfast Intl-SFO San Francisco
23h 08m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
Multiple Airlines Logo
3:10 pm - 10:00 pmSFO  San Francisco-BFS Belfast Intl
22h 50m1 stop Paris Charles de Gaulle
$1,264Multiple Airlines
Thu, Dec 24 - Thu, Dec 31
Multiple Airlines Logo
9:05 am - 9:30 pmBFS  Belfast Intl-SFO San Francisco
20h 25m2 stops Manchester Toronto Pearson Intl
Multiple Airlines Logo
6:15 am - 5:00 pmSFO  San Francisco-BFS Belfast Intl
26h 45m3 stops Denver Intl Reykjavik Keflavik Intl Edinburgh Turnhouse
$1,280Multiple Airlines
Thu, Dec 24 - Thu, Dec 31
Multiple Airlines Logo
6:25 am - 11:05 pmBFS  Belfast Intl-SFO San Francisco
24h 40m3 stops London Gatwick Orlando Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:15 am - 5:15 pmSFO  San Francisco-BFS Belfast Intl
27h 00m3 stops Denver Intl Reykjavik Keflavik Intl Edinburgh Turnhouse
$1,329Multiple Airlines
Wed, Dec 23 - Wed, Dec 30
Multiple Airlines Logo
8:50 pm - 4:30 pmBFS  Belfast Intl-SFO San Francisco
27h 40m2 stops London Gatwick Zurich
Multiple Airlines Logo
6:15 am - 5:15 pmSFO  San Francisco-BFS Belfast Intl
27h 00m3 stops Denver Intl Reykjavik Keflavik Intl Edinburgh Turnhouse
$1,368Multiple Airlines
Wed, Dec 23 - Wed, Dec 30
Multiple Airlines Logo
8:50 pm - 4:30 pmBFS  Belfast Intl-SFO San Francisco
27h 40m2 stops London Gatwick Zurich
Multiple Airlines Logo
7:25 pm - 10:00 pmSFO  San Francisco-BFS Belfast Intl
18h 35m2 stops Zurich London Gatwick
$1,378Multiple Airlines
Wed, Dec 23 - Wed, Dec 30
Multiple Airlines Logo
9:05 am - 9:30 pmBFS  Belfast Intl-SFO San Francisco
20h 25m2 stops Manchester Toronto Pearson Intl
Multiple Airlines Logo
7:25 pm - 10:15 pmSFO  San Francisco-BFS Belfast Intl
18h 50m2 stops Zurich Birmingham
$1,560Multiple Airlines
Thu, Dec 24 - Thu, Dec 31
Multiple Airlines Logo
10:10 am - 11:45 amBFS  Belfast Intl-SFO San Francisco
33h 35m1 stop Amsterdam Schiphol
Multiple Airlines Logo
1:50 pm - 1:40 pmSFO  San Francisco-BFS Belfast Intl
15h 50m1 stop Amsterdam Schiphol
$1,857Multiple Airlines
Thu, Dec 24 - Thu, Dec 31

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

momondo Fare Finder

 
Use the filters below to find and compare flights from Belfast Intl Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Thu 12/24

6:30 am-12:35 am

3 stops26h 05m

San Francisco

Thu 12/31

6:15 am-7:10 pm

3 stops28h 55m

$1,175

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Thu 12/24

8:50 am-11:58 pm

2 stops23h 08m

San Francisco

Thu 12/31

3:10 pm-10:00 pm

1 stop22h 50m

$1,264

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Thu 12/24

9:05 am-9:30 pm

2 stops20h 25m

San Francisco

Thu 12/31

6:15 am-5:00 pm

3 stops26h 45m

$1,280

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Wed 12/23

6:25 am-11:05 pm

3 stops24h 40m

San Francisco

Wed 12/30

6:15 am-5:15 pm

3 stops27h 00m

$1,329

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Wed 12/23

8:50 pm-4:30 pm

2 stops27h 40m

San Francisco

Wed 12/30

6:15 am-5:15 pm

3 stops27h 00m

$1,368

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Wed 12/23

8:50 pm-4:30 pm

2 stops27h 40m

San Francisco

Wed 12/30

7:25 pm-10:00 pm

2 stops18h 35m

$1,378
Quickest round-trip

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Thu 12/24

9:05 am-9:30 pm

2 stops20h 25m

San Francisco

Thu 12/31

7:25 pm-10:15 pm

2 stops18h 50m

$1,560

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Thu 12/24

10:10 am-11:45 am

1 stop33h 35m

San Francisco

Thu 12/31

1:50 pm-1:40 pm

1 stop15h 50m

$1,857
Cheapest one-way

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Mon 4/26

1:05 pm-12:00 pm

3 stops54h 55m

$360

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Mon 4/26

2:35 pm-12:00 pm

2 stops53h 25m

$447

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

When to book flights from Belfast Intl Airport to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast Intl Airport to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Belfast Intl Airport to San Francisco (BFS to SFO) flight deals and tips

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

Best Price Found

$360

Fastest flight time

26h 05m

Direct flights

None
The best one-way flight to San Francisco from Belfast Intl Airport in the past 72 hours is $360. The best round-trip flight deal from Belfast Intl Airport to San Francisco found on momondo in the last 72 hours is $1,175.
The fastest flight from Belfast Intl Airport to San Francisco takes 26h 05m
There are no direct flights from Belfast Intl Airport to San Francisco. There are no popular flight routes from Belfast Intl Airport to San Francisco.
Search flight deals

Frequently asked questions about flying from Belfast Intl Airport to San Francisco

  • How far is Belfast Intl to San Francisco by plane?

    Belfast Intl and San Francisco are 5017.1 mi apart from one another. By plane, this route typically takes 26h 05m.

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

    Prices for flights from Belfast Intl Airport to San Francisco Airport were last updated today.

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

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

    The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Belfast Intl Airport to San Francisco

  • How do I get Price Alerts for flights from Belfast Intl Airport to San Francisco?

    Price Alerts will notify you by email when the price for flights to San Francisco from Belfast Intl Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Belfast Intl Airport to San Francisco with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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
South San Francisco
Hayward
Santa Clara
Bodega Bay
Fremont
Walnut Creek
Berkeley
Sunnyvale
Half Moon Bay
Vallejo
Roseville
Salinas
Sonoma
Milpitas
Palo Alto
Burlingame
Pacific Grove

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Belfast to San Francisco for you.

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

Flights from Belfast to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to San Francisco from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Belfast to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 12/11
Fri 12/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States