How old do you have to be to fly from San Francisco Bay Area 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 Bay Area 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.

£287 Cheap Flights from San Francisco Bay Area to Belfast Intl Airport in 2026

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Find the cheapest flights from San Francisco Bay Area to Belfast

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 19:50

SFO

BFS

29h 50m

3 stops

08:50 - 16:05

BFS

SFO

39h 15m

3 stops

£690Multiple Airlines

Tue, 4 Aug - Thu, 4 Feb

08:30 - 19:50

SFO

BFS

27h 20m

2 stops

08:50 - 16:05

BFS

SFO

39h 15m

3 stops

£748Multiple Airlines

Tue, 4 Aug - Thu, 4 Feb

06:00 - 22:15

SFO

BFS

32h 15m

3 stops

05:55 - 12:00

BFS

SFO

38h 05m

3 stops

£795Multiple Airlines

Tue, 4 Aug - Tue, 11 Aug

08:30 - 22:15

SFO

BFS

29h 45m

2 stops

05:55 - 12:00

BFS

SFO

38h 05m

3 stops

£850Multiple Airlines

Tue, 4 Aug - Tue, 11 Aug

14:40 - 21:30

SFO

BFS

22h 50m

2 stops

15:35 - 15:55

BFS

SFO

32h 20m

3 stops

£902Multiple Airlines

Sun, 13 Sep - Sat, 19 Sep

14:40 - 21:30

SFO

BFS

22h 50m

2 stops

21:40 - 15:55

BFS

SFO

26h 15m

2 stops

£923Multiple Airlines

Sun, 13 Sep - Sat, 19 Sep

17:40 - 16:25

SFO

BFS

14h 45m

2 stops

06:30 - 21:55

BFS

SFO

47h 25m

3 stops

£935Multiple Airlines

Tue, 16 Jun - Mon, 22 Jun

12:15 - 16:25

SFO

BFS

20h 10m

3 stops

06:30 - 21:55

BFS

SFO

47h 25m

3 stops

£956Multiple Airlines

Tue, 16 Jun - Mon, 22 Jun

06:35 - 18:25

SFO

BFS

27h 50m

3 stops

21:40 - 23:07

BFS

SFO

33h 27m

3 stops

£958Multiple Airlines

Sun, 21 Jun - Sat, 27 Jun

20:30 - 11:45

SFO

BFS

31h 15m

1 stop

21:20 - 21:55

BFS

SFO

32h 35m

2 stops

£987Multiple Airlines

Tue, 4 Aug - Tue, 11 Aug

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 4/8

06:00-19:50

3 stops29h 50m

Belfast Intl

Thu 4/2

08:50-16:05

3 stops39h 15m

£690

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 4/8

08:30-19:50

2 stops27h 20m

Belfast Intl

Thu 4/2

08:50-16:05

3 stops39h 15m

£748

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 4/8

06:00-22:15

3 stops32h 15m

Belfast Intl

Tue 11/8

05:55-12:00

3 stops38h 05m

£795

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 4/8

08:30-22:15

2 stops29h 45m

Belfast Intl

Tue 11/8

05:55-12:00

3 stops38h 05m

£850

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Sun 13/9

14:40-21:30

2 stops22h 50m

Belfast Intl

Sat 19/9

15:35-15:55

3 stops32h 20m

£902

Fastest return journey

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Sun 13/9

14:40-21:30

2 stops22h 50m

Belfast Intl

Sat 19/9

21:40-15:55

2 stops26h 15m

£923

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 16/6

17:40-16:25

2 stops14h 45m

Belfast Intl

Mon 22/6

06:30-21:55

3 stops47h 25m

£935

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 16/6

12:15-16:25

3 stops20h 10m

Belfast Intl

Mon 22/6

06:30-21:55

3 stops47h 25m

£956

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Sun 21/6

06:35-18:25

3 stops27h 50m

Belfast Intl

Sat 27/6

21:40-23:07

3 stops33h 27m

£958

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 4/8

20:30-11:45

1 stop31h 15m

Belfast Intl

Tue 11/8

21:20-21:55

2 stops32h 35m

£987

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Francisco Bay Area 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

Can stopping save me money on San Francisco Bay Area to Belfast Intl Airport flights?

No. A direct flight is the cheapest option for a flight between San Francisco Bay Area to Belfast Intl Airport.

Cheap San Francisco Bay Area to Belfast Intl Airport flight deals and tips

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

Fastest flight time	14h 00m
Direct flights	None

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

There are no direct flights from San Francisco Bay Area to Belfast Intl Airport. There are no popular flight routes from San Francisco Bay Area to Belfast Intl Airport.

Search flight deals

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

When did momondo last update prices for flights from San Francisco Bay Area to Belfast Intl Airport?
Prices for flights from San Francisco Bay Area to Belfast Intl Airport are updated daily.
How old do you have to be to fly from San Francisco Bay Area 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 Bay Area 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.
What is the most popular plane model from San Francisco Bay Area to Belfast Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Francisco Bay Area to Belfast Intl Airport is Airbus A320-100/200 (33.40% of total bookings). The next most popular plane models are Airbus A319 (23.47%), ATR 72-201 / 202 (20.52%), and Boeing 737-800 Passenger/BBJ2 (winglets) (16.97%).

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Portadown

Dungannon

Why use momondo?

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

Finding the right flight to Belfast from San Francisco Bay Area is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

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

All flight searches from San Francisco Bay Area to Belfast on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for San Francisco Bay Area 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 Bay Area to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco Bay Area to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.