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Cheap flights from San Francisco to Belfast from $444

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
6:00 am - 6:25 pmSFO  San Francisco-BFS Belfast Intl
28h 25m2 stops Calgary Edinburgh Turnhouse
Multiple Airlines Logo
2:20 pm - 2:45 pmBFS  Belfast Intl-SFO San Francisco
32h 25m3 stops London Stansted Barcelona-El Prat Lisbon Humberto Delgado
$789Multiple Airlines
Sun, Oct 18 - Sun, Nov 8
Multiple Airlines Logo
6:00 am - 2:55 pmSFO  San Francisco-BHD Belfast City
24h 55m2 stops Calgary Edinburgh Turnhouse
Multiple Airlines Logo
12:05 pm - 2:45 pmBHD  Belfast City-SFO San Francisco
34h 40m3 stops Liverpool J. Lennon Barcelona-El Prat Lisbon Humberto Delgado
$832Multiple Airlines
Sun, Oct 18 - Sun, Nov 8
Multiple Airlines Logo
6:00 am - 8:55 pmSFO  San Francisco-BFS Belfast Intl
30h 55m2 stops Calgary Edinburgh Turnhouse
Multiple Airlines Logo
9:25 am - 8:10 pmBFS  Belfast Intl-SFO San Francisco
18h 45m1 stop Paris Charles de Gaulle
$858Multiple Airlines
Sun, Oct 18 - Sun, Nov 8
Multiple Airlines Logo
6:00 am - 6:25 pmSFO  San Francisco-BFS Belfast Intl
28h 25m2 stops Calgary Edinburgh Turnhouse
Multiple Airlines Logo
3:25 pm - 4:30 pmBFS  Belfast Intl-SFO San Francisco
33h 05m2 stops London Gatwick Zurich
$859Multiple Airlines
Sun, Oct 18 - Sun, Nov 8
British Airways Logo
8:35 pm - 6:50 pmSFO  San Francisco-BHD Belfast City
14h 15m1 stop London Heathrow
British Airways Logo
11:40 am - 6:45 pmBHD  Belfast City-SFO San Francisco
15h 05m1 stop London Heathrow
$868British Airways
Sun, Nov 29 - Wed, Dec 9
American Airlines Logo
4:11 pm - 6:50 pmSFO  San Francisco-BHD Belfast City
18h 39m2 stops Los Angeles London Heathrow
American Airlines Logo
9:15 am - 6:45 pmBHD  Belfast City-SFO San Francisco
17h 30m1 stop London Heathrow
$879American Airlines
Sun, Nov 29 - Wed, Dec 9
Multiple Airlines Logo
8:30 am - 8:30 pmSFO  San Francisco-BHD Belfast City
28h 00m3 stops Toronto Pearson Intl Barcelona-El Prat London Gatwick
Multiple Airlines Logo
12:05 pm - 2:45 pmBHD  Belfast City-SFO San Francisco
34h 40m3 stops Liverpool J. Lennon Barcelona-El Prat Lisbon Humberto Delgado
$881Multiple Airlines
Sun, Oct 18 - Sun, Nov 8
Multiple Airlines Logo
8:10 am - 3:20 pmSFO  San Francisco-BFS Belfast Intl
23h 10m3 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat Nottingham East Midlands
Multiple Airlines Logo
2:20 pm - 2:45 pmBFS  Belfast Intl-SFO San Francisco
32h 25m3 stops London Stansted Barcelona-El Prat Lisbon Humberto Delgado
$882Multiple Airlines
Sun, Oct 18 - Sun, Nov 8
British Airways Logo
5:25 pm - 5:25 pmSFO  San Francisco-BHD Belfast City
16h 00m1 stop London Heathrow
British Airways Logo
6:35 am - 2:55 pmBHD  Belfast City-SFO San Francisco
16h 20m1 stop London Heathrow
$886British Airways
Mon, Nov 30 - Tue, Dec 8
British Airways Logo
8:35 pm - 6:50 pmSFO  San Francisco-BHD Belfast City
14h 15m1 stop London Heathrow
British Airways Logo
3:05 pm - 2:55 pmBHD  Belfast City-SFO San Francisco
31h 50m1 stop London Heathrow
$886British Airways
Sun, Nov 29 - Tue, Dec 8

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Delta flights from San Francisco to Belfast

Our best Delta deals on San Francisco to Belfast flight tickets
Delta
Oct 3
SFO10:30 pmSan Francisco
26h 50m
2 stops
BHD9:20 amBelfast City
Oct 13
BHD9:50 amBelfast City
33h 55m
1 stop
SFO11:45 amSan Francisco
$922
Delta
Oct 3
SFO10:30 pmSan Francisco
26h 50m
2 stops
BHD9:20 amBelfast City
Oct 12
BHD5:30 pmBelfast City
31h 35m
2 stops
SFO5:05 pmSan Francisco
$932
Delta
Sep 19
SFO10:35 pmSan Francisco
26h 45m
2 stops
BHD9:20 amBelfast City
Sep 28
BHD5:30 pmBelfast City
26h 15m
1 stop
SFO11:45 amSan Francisco
$1,052

British Airways flights from San Francisco to Belfast

Our best British Airways deals on San Francisco to Belfast flight tickets
British Airways
Oct 4
SFO7:30 pmSan Francisco
14h 10m
1 stop
BHD5:40 pmBelfast City
Oct 14
BHD7:40 pmBelfast City
27h 57m
2 stops
SFO3:37 pmSan Francisco
$927
British Airways
Oct 4
SFO1:27 pmSan Francisco
20h 13m
2 stops
BHD5:40 pmBelfast City
Oct 14
BHD6:30 amBelfast City
19h 45m
2 stops
SFO6:15 pmSan Francisco
$928
British Airways
Oct 18
SFO7:30 pmSan Francisco
14h 10m
1 stop
BHD5:40 pmBelfast City
Nov 8
BHD6:30 amBelfast City
16h 25m
1 stop
SFO2:55 pmSan Francisco
$937

momondo Fare Finder

 
Use the filters below to find and compare flights from San Francisco to Belfast 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

Sun 10/18

6:00 am-6:25 pm

2 stops28h 25m

Belfast Intl

Sun 11/8

2:20 pm-2:45 pm

3 stops32h 25m

$789

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Sun 10/18

6:00 am-2:55 pm

2 stops24h 55m

Belfast City

Sun 11/8

12:05 pm-2:45 pm

3 stops34h 40m

$832

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Sun 10/18

6:00 am-8:55 pm

2 stops30h 55m

Belfast Intl

Sun 11/8

9:25 am-8:10 pm

1 stop18h 45m

$858

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Sun 10/18

6:00 am-6:25 pm

2 stops28h 25m

Belfast Intl

Sun 11/8

3:25 pm-4:30 pm

2 stops33h 05m

$859
Quickest round-trip

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Sun 11/29

8:35 pm-6:50 pm

1 stop14h 15m

Belfast City

Wed 12/9

11:40 am-6:45 pm

1 stop15h 05m

$868

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Sun 11/29

4:11 pm-6:50 pm

2 stops18h 39m

Belfast City

Wed 12/9

9:15 am-6:45 pm

1 stop17h 30m

$879

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Sun 10/18

8:30 am-8:30 pm

3 stops28h 00m

Belfast City

Sun 11/8

12:05 pm-2:45 pm

3 stops34h 40m

$881

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Sun 10/18

8:10 am-3:20 pm

3 stops23h 10m

Belfast Intl

Sun 11/8

2:20 pm-2:45 pm

3 stops32h 25m

$882

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Mon 11/30

5:25 pm-5:25 pm

1 stop16h 00m

Belfast City

Tue 12/8

6:35 am-2:55 pm

1 stop16h 20m

$886

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Sun 11/29

8:35 pm-6:50 pm

1 stop14h 15m

Belfast City

Tue 12/8

3:05 pm-2:55 pm

1 stop31h 50m

$886

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from San Francisco to Belfast

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 cheapest airline that flies from San Francisco to Belfast?

Aer Lingus and KLM are the most popular carriers operating from San Francisco to Belfast

Cheap San Francisco to Belfast flight deals and tips

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

Best Price Found

$444

Fastest flight time

14h 15m

Direct flights

None
The best one-way flight to Belfast from San Francisco in the past 72 hours is $444. The best round-trip flight deal from San Francisco to Belfast found on momondo in the last 72 hours is $789.
The fastest flight from San Francisco to Belfast takes 14h 15m
There are no direct flights from San Francisco to Belfast. There are no popular flight routes from San Francisco to Belfast.
Search flight deals

Frequently asked questions about flying from San Francisco to Belfast

  • How far is San Francisco to Belfast by plane?

    The straight-line distance from San Francisco to Belfast is 5028.4 mi. By plane, this route typically takes 14h 15m.

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

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

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

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

    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.

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

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

Best airlines flying from San Francisco to Belfast

Compare and see reviews for airlines that fly from San Francisco to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $586Free CancellationRating
6.7
8,189 reviews
Search British Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Belfast. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from San Francisco.

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

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

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Belfast Intl Airport
Belfast City Airport