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Cheap flights from San Francisco to Belfast from $325

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:40 pm - 8:20 amSFO  San Francisco-BFS Belfast Intl
55h 40m2 stops Calgary London Heathrow
Multiple Airlines Logo
2:30 pm - 8:10 pmBFS  Belfast Intl-SFO San Francisco
37h 40m1 stop Paris Charles de Gaulle
$837Multiple Airlines
Mon, Nov 16 - Thu, Dec 10
Multiple Airlines Logo
8:25 am - 8:55 pmSFO  San Francisco-BFS Belfast Intl
28h 30m3 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas Manchester
Multiple Airlines Logo
6:55 am - 8:10 pmBFS  Belfast Intl-SFO San Francisco
21h 15m1 stop Paris Charles de Gaulle
$974Multiple Airlines
Tue, Nov 17 - Wed, Dec 9
Multiple Airlines Logo
2:40 pm - 12:05 amSFO  San Francisco-BFS Belfast Intl
25h 25m3 stops Frankfurt am Main Munich Franz Josef Strauss Malaga
Multiple Airlines Logo
8:00 pm - 5:30 pmBFS  Belfast Intl-SFO San Francisco
28h 30m2 stops Malaga Zurich
$979Multiple Airlines
Mon, Oct 19 - Sun, Oct 25
Multiple Airlines Logo
6:40 am - 6:25 pmSFO  San Francisco-BFS Belfast Intl
27h 45m3 stops Vancouver Intl Calgary Edinburgh Turnhouse
Multiple Airlines Logo
11:30 am - 2:30 pmBFS  Belfast Intl-SFO San Francisco
35h 00m2 stops Alicante Lisbon Humberto Delgado
$988Multiple Airlines
Sun, Oct 11 - Wed, Oct 14
Multiple Airlines Logo
5:20 pm - 6:05 pmSFO  San Francisco-BFS Belfast Intl
16h 45m2 stops Dublin Glasgow Intl
Multiple Airlines Logo
9:25 am - 8:10 pmBFS  Belfast Intl-SFO San Francisco
18h 45m1 stop Paris Charles de Gaulle
$991Multiple Airlines
Wed, Nov 18 - Sun, Dec 6
Multiple Airlines Logo
5:20 pm - 6:05 pmSFO  San Francisco-BFS Belfast Intl
16h 45m2 stops Dublin Glasgow Intl
Multiple Airlines Logo
7:45 am - 8:10 pmBFS  Belfast Intl-SFO San Francisco
20h 25m1 stop Paris Charles de Gaulle
$991Multiple Airlines
Wed, Nov 18 - Fri, Dec 11
Multiple Airlines Logo
8:00 pm - 8:05 amSFO  San Francisco-BFS Belfast Intl
28h 05m1 stop Paris Orly
Multiple Airlines Logo
9:15 pm - 4:30 pmBFS  Belfast Intl-SFO San Francisco
27h 15m2 stops London Luton Zurich
$993Multiple Airlines
Tue, Nov 17 - Sun, Dec 6
Multiple Airlines Logo
5:20 pm - 8:30 pmSFO  San Francisco-BFS Belfast Intl
19h 10m2 stops Dublin Glasgow Intl
Multiple Airlines Logo
9:25 am - 8:10 pmBFS  Belfast Intl-SFO San Francisco
18h 45m1 stop Paris Charles de Gaulle
$995Multiple Airlines
Sun, Nov 15 - Sun, Dec 6
Multiple Airlines Logo
5:20 pm - 8:30 pmSFO  San Francisco-BFS Belfast Intl
19h 10m2 stops Dublin Glasgow Intl
Multiple Airlines Logo
7:45 am - 8:10 pmBFS  Belfast Intl-SFO San Francisco
20h 25m1 stop Paris Charles de Gaulle
$995Multiple Airlines
Sun, Nov 15 - Fri, Dec 11
Multiple Airlines Logo
5:20 pm - 6:05 pmSFO  San Francisco-BFS Belfast Intl
16h 45m2 stops Dublin Glasgow Intl
Multiple Airlines Logo
6:55 am - 8:10 pmBFS  Belfast Intl-SFO San Francisco
21h 15m1 stop Paris Charles de Gaulle
$996Multiple Airlines
Wed, Nov 18 - Wed, Dec 9

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Mon 11/16

4:40 pm-8:20 am

2 stops55h 40m

Belfast Intl

Thu 12/10

2:30 pm-8:10 pm

1 stop37h 40m

$837

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Tue 11/17

8:25 am-8:55 pm

3 stops28h 30m

Belfast Intl

Wed 12/9

6:55 am-8:10 pm

1 stop21h 15m

$974

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Mon 10/19

2:40 pm-12:05 am

3 stops25h 25m

Belfast Intl

Sun 10/25

8:00 pm-5:30 pm

2 stops28h 30m

$979

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Sun 10/11

6:40 am-6:25 pm

3 stops27h 45m

Belfast Intl

Wed 10/14

11:30 am-2:30 pm

2 stops35h 00m

$988
Quickest round-trip

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Wed 11/18

5:20 pm-6:05 pm

2 stops16h 45m

Belfast Intl

Sun 12/6

9:25 am-8:10 pm

1 stop18h 45m

$991

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Wed 11/18

5:20 pm-6:05 pm

2 stops16h 45m

Belfast Intl

Fri 12/11

7:45 am-8:10 pm

1 stop20h 25m

$991

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Tue 11/17

8:00 pm-8:05 am

1 stop28h 05m

Belfast Intl

Sun 12/6

9:15 pm-4:30 pm

2 stops27h 15m

$993

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Sun 11/15

5:20 pm-8:30 pm

2 stops19h 10m

Belfast Intl

Sun 12/6

9:25 am-8:10 pm

1 stop18h 45m

$995

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Sun 11/15

5:20 pm-8:30 pm

2 stops19h 10m

Belfast Intl

Fri 12/11

7:45 am-8:10 pm

1 stop20h 25m

$995

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Wed 11/18

5:20 pm-6:05 pm

2 stops16h 45m

Belfast Intl

Wed 12/9

6:55 am-8:10 pm

1 stop21h 15m

$996

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

When to book flights from San Francisco to Belfast Intl Airport

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

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

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

Best Price Found

$325

Fastest flight time

15h 15m

Direct flights

None
The best one-way flight to Belfast Intl Airport from San Francisco in the past 72 hours is $325. The best round-trip flight deal from San Francisco to Belfast Intl Airport found on momondo in the last 72 hours is $837.
The fastest flight from San Francisco to Belfast Intl Airport takes 15h 15m
There are no direct flights from San Francisco to Belfast Intl Airport. There are no popular flight routes from San Francisco to Belfast Intl Airport.
Search flight deals

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

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

    Belfast Intl is 5017.1 mi away from San Francisco. In terms of flight time, this usually takes a little over 15h 15m.

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

    Prices for flights from San Francisco Airport to Belfast Intl Airport refresh daily.

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

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

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The required travel and health documents for your Belfast Intl 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 Belfast Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from San Francisco to Belfast Intl Airport?

Best airlines flying from San Francisco to Belfast Intl Airport

Compare and see reviews for airlines that fly from San Francisco to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $586Free CancellationRating
6.7
8,225 reviews
Search British Airways flights

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

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

    Confirm your travel details to search for the latest offers for flights from San Francisco to Belfast Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

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

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newry
Armagh
Ballymena
Dungannon

Why use momondo?

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

It is quick and easy to find San Francisco to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

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

Yes. All flights to Belfast from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for San Francisco to Belfast flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

An easier way to manage your Belfast Intl Airport 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.
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