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 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 travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£265 Cheap Flights from San Francisco to Belfast Intl Airport in 2025/26

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Find the cheapest flights from San Francisco to Belfast

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

16:30 - 16:15

SFO

BFS

15h 45m1 stop

05:45 - 20:10

BFS

SFO

46h 25m2 stops

£675Multiple Airlines

Mon, 12 Jan - Tue, 27 Jan

07:30 - 22:45

SFO

BFS

31h 15m3 stops

07:00 - 14:35

BFS

SFO

39h 35m3 stops

£750Multiple Airlines

Tue, 26 May - Tue, 2 Jun

16:35 - 20:15

SFO

BFS

19h 40m2 stops

20:55 - 16:30

BFS

SFO

27h 35m2 stops

£776Multiple Airlines

Mon, 12 Jan - Tue, 27 Jan

07:30 - 19:15

SFO

BFS

27h 45m3 stops

09:15 - 16:55

BFS

SFO

39h 40m3 stops

£778Multiple Airlines

Wed, 10 Jun - Mon, 15 Jun

07:30 - 22:45

SFO

BFS

31h 15m3 stops

20:10 - 16:10

BFS

SFO

28h 00m2 stops

£779Multiple Airlines

Tue, 26 May - Tue, 2 Jun

08:25 - 17:00

SFO

BFS

24h 35m3 stops

08:35 - 20:34

BFS

SFO

19h 59m2 stops

£781Multiple Airlines

Mon, 12 Jan - Tue, 27 Jan

16:45 - 23:20

SFO

BFS

22h 35m1 stop

22:30 - 13:35

BFS

SFO

23h 05m1 stop

£797Multiple Airlines

Tue, 9 Jun - Tue, 16 Jun

12:50 - 15:55

SFO

BFS

19h 05m2 stops

20:10 - 16:10

BFS

SFO

28h 00m2 stops

£836Multiple Airlines

Tue, 26 May - Tue, 2 Jun

07:10 - 16:20

SFO

BFS

25h 10m3 stops

22:30 - 14:30

BFS

SFO

48h 00m3 stops

£864Multiple Airlines

Tue, 9 Jun - Tue, 16 Jun

07:30 - 19:15

SFO

BFS

27h 45m3 stops

18:50 - 16:10

BFS

SFO

29h 20m2 stops

£874Multiple Airlines

Wed, 10 Jun - Mon, 15 Jun

momondo Fare Finder

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

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Mon 12/1

16:30-16:15

1 stop15h 45m

Belfast Intl

Tue 27/1

05:45-20:10

2 stops46h 25m

£675

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 26/5

07:30-22:45

3 stops31h 15m

Belfast Intl

Tue 2/6

07:00-14:35

3 stops39h 35m

£750

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Mon 12/1

16:35-20:15

2 stops19h 40m

Belfast Intl

Tue 27/1

20:55-16:30

2 stops27h 35m

£776

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Wed 10/6

07:30-19:15

3 stops27h 45m

Belfast Intl

Mon 15/6

09:15-16:55

3 stops39h 40m

£778

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 26/5

07:30-22:45

3 stops31h 15m

Belfast Intl

Tue 2/6

20:10-16:10

2 stops28h 00m

£779

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Mon 12/1

08:25-17:00

3 stops24h 35m

Belfast Intl

Tue 27/1

08:35-20:34

2 stops19h 59m

£781

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 9/6

16:45-23:20

1 stop22h 35m

Belfast Intl

Tue 16/6

22:30-13:35

1 stop23h 05m

£797

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 26/5

12:50-15:55

2 stops19h 05m

Belfast Intl

Tue 2/6

20:10-16:10

2 stops28h 00m

£836

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 9/6

07:10-16:20

3 stops25h 10m

Belfast Intl

Tue 16/6

22:30-14:30

3 stops48h 00m

£864

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Wed 10/6

07:30-19:15

3 stops27h 45m

Belfast Intl

Mon 15/6

18:50-16:10

2 stops29h 20m

£874

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

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

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 month to fly to Belfast Intl Airport?

The month of April is, on average, the cheapest month to fly to Belfast Intl Airport from San Francisco, with most prices found around £465. If you’re not able to fly to Belfast Intl Airport in April, then October is your next best option. Flight prices from San Francisco to Belfast Intl Airport during October average around £487.

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 return 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

Fastest flight time	14h 00m
Direct flights	None

The fastest flight from San Francisco to Belfast Intl Airport takes 14h 00m

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.

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How far is San Francisco to Belfast Intl by plane?
Belfast Intl is 5016.8 mi away from San Francisco. Flights usually cover this in 14h 00m, depending on flying conditions and air traffic around both airports.
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 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 travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Ballymena

Newry

Armagh

Cookstown

Dungannon

Portadown

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?

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Belfast.

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

Yes momondo offers price alerts on flights to Belfast from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.