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

As of March 2026, there are 2 operators available to choose from for flights from Belfast Intl Airport to San Francisco Bay Area.

How old do you have to be to fly from Belfast Intl Airport to San Francisco Bay Area?

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 Bay Area.

What documentation or ID do you need to fly to San Francisco Bay Area?

The necessary travel and health documents for your San Francisco Bay Area 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.

£359 Cheap Flights from Belfast Intl Airport to San Francisco Bay Area in 2026

1 adult

0 bags

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Find the cheapest flights from Belfast Intl Airport to San Francisco Bay Area

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

19:55 - 12:00

BFS

SFO

48h 05m

2 stops

23:15 - 11:55

SFO

BFS

28h 40m

1 stop

£790Multiple Airlines

Fri, 24 Apr - Fri, 1 May

09:05 - 17:35

BFS

SFO

40h 30m

3 stops

17:35 - 20:45

SFO

BFS

19h 10m

2 stops

£877Multiple Airlines

Fri, 24 Apr - Fri, 1 May

09:05 - 17:35

BFS

SFO

40h 30m

3 stops

08:30 - 21:15

SFO

BFS

28h 45m

3 stops

£898Multiple Airlines

Fri, 24 Apr - Fri, 1 May

15:25 - 16:50

BFS

SFO

33h 25m

2 stops

15:05 - 20:25

SFO

BFS

21h 20m

2 stops

£925Multiple Airlines

Thu, 16 Apr - Mon, 20 Apr

06:10 - 10:40

BFS

SFO

36h 30m

3 stops

15:05 - 20:25

SFO

BFS

21h 20m

2 stops

£960Multiple Airlines

Thu, 16 Apr - Mon, 20 Apr

06:10 - 10:40

BFS

SFO

36h 30m

3 stops

07:25 - 19:05

SFO

BFS

27h 40m

3 stops

£1,013Multiple Airlines

Thu, 16 Apr - Mon, 20 Apr

21:30 - 17:35

BFS

SFO

28h 05m

2 stops

13:45 - 16:15

SFO

BFS

18h 30m

2 stops

£1,049Multiple Airlines

Fri, 24 Apr - Fri, 1 May

15:25 - 16:50

BFS

SFO

33h 25m

2 stops

20:10 - 19:05

SFO

BFS

14h 55m

1 stop

£1,267Multiple Airlines

Thu, 16 Apr - Mon, 20 Apr

12:15 - 21:20

BFS

SFO

17h 05m

1 stop

23:15 - 11:55

SFO

BFS

28h 40m

1 stop

£1,379Multiple Airlines

Fri, 24 Apr - Fri, 1 May

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Fri 24/4

19:55-12:00

2 stops48h 05m

San Francisco

Fri 1/5

23:15-11:55

1 stop28h 40m

£790

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Fri 24/4

09:05-17:35

3 stops40h 30m

San Francisco

Fri 1/5

17:35-20:45

2 stops19h 10m

£877

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Fri 24/4

09:05-17:35

3 stops40h 30m

San Francisco

Fri 1/5

08:30-21:15

3 stops28h 45m

£898

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 16/4

15:25-16:50

2 stops33h 25m

San Francisco

Mon 20/4

15:05-20:25

2 stops21h 20m

£925

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 16/4

06:10-10:40

3 stops36h 30m

San Francisco

Mon 20/4

15:05-20:25

2 stops21h 20m

£960

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 16/4

06:10-10:40

3 stops36h 30m

San Francisco

Mon 20/4

07:25-19:05

3 stops27h 40m

£1,013

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Fri 24/4

21:30-17:35

2 stops28h 05m

San Francisco

Fri 1/5

13:45-16:15

2 stops18h 30m

£1,049

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 16/4

15:25-16:50

2 stops33h 25m

San Francisco

Mon 20/4

20:10-19:05

1 stop14h 55m

£1,267

Fastest return journey

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Fri 24/4

12:15-21:20

1 stop17h 05m

San Francisco

Fri 1/5

23:15-11:55

1 stop28h 40m

£1,379

Cheapest one-way

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 3/9

22:45-17:35

3 stops50h 50m

£359

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

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

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 Belfast Intl Airport to San Francisco Bay Area flights?

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

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

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

Fastest flight time	15h 20m
Direct flights	None

The fastest flight from Belfast Intl Airport to San Francisco Bay Area takes 15h 20m

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

Search flight deals

When did momondo last update prices for flights from Belfast Intl Airport to San Francisco Bay Area?
Prices for flights from Belfast Intl Airport to San Francisco Bay Area are updated daily.
How many operators does momondo search for flights from Belfast Intl Airport to San Francisco Bay Area?
As of March 2026, there are 2 operators available to choose from for flights from Belfast Intl Airport to San Francisco Bay Area.
How old do you have to be to fly from Belfast Intl Airport to San Francisco Bay Area?
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 Bay Area.
What documentation or ID do you need to fly to San Francisco Bay Area?
The necessary travel and health documents for your San Francisco Bay Area 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.
What is the most popular plane model from Belfast Intl Airport to San Francisco Bay Area?
Based on momondo bookings for flights between Belfast Intl Airport and San Francisco Bay Area, the leading plane model is Airbus A320-100/200, making up 32.32% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 27.82%, Airbus A319 with 21.84%, and ATR 72-201 / 202 with 10.97%.

Best airlines flying from Belfast Intl Airport to San Francisco Bay Area

Compare and see reviews for airlines that fly from Belfast Intl Airport to San Francisco Bay Area with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £433	Free Cancellation	Rating 6.7 7,838 reviews		Search British Airways flights
American Airlines	PriceFrom £479	Free Cancellation	Rating 7.1 11,543 reviews		Search American Airlines flights

Why use momondo?

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

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 Bay Area for you.

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

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

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

Once all potential Belfast to San Francisco Bay Area flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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