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

As of August 2026, there is 1 operator 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.

£365 Cheap Flights from Belfast Intl Airport to San Francisco Bay Area in 2026

Discover deals from 900+ travel sites with momondo.

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

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:10 - 18:00BFS Belfast Intl-SFO San Francisco

19h 50m2 stops London Gatwick Paris Charles de Gaulle

15:05 - 20:25SFO San Francisco-BFS Belfast Intl

21h 20m2 stops Paris Charles de Gaulle London Gatwick

£609Multiple Airlines

Mon, 28 Sep - Mon, 5 Oct

06:10 - 21:55BFS Belfast Intl-SFO San Francisco

23h 45m3 stops London Gatwick Toronto Pearson Intl Calgary

08:10 - 23:20SFO San Francisco-BFS Belfast Intl

31h 10m3 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat London Stansted

£693Multiple Airlines

Mon, 28 Sep - Mon, 5 Oct

09:00 - 19:10BFS Belfast Intl-SFO San Francisco

18h 10m1 stop London Luton

19:50 - 22:00SFO San Francisco-BFS Belfast Intl

18h 10m1 stop London Heathrow

£714Multiple Airlines

Thu, 3 Sep - Mon, 7 Sep

14:20 - 14:40BFS Belfast Intl-SFO San Francisco

32h 20m3 stops Manchester Oslo Gardermoen Kastrup Copenhagen

16:45 - 20:55SFO San Francisco-BFS Belfast Intl

20h 10m2 stops Kastrup Copenhagen Manchester

£715Multiple Airlines

Mon, 28 Sep - Mon, 5 Oct

06:20 - 12:15BFS Belfast Intl-SFO San Francisco

37h 55m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

08:10 - 21:30SFO San Francisco-BFS Belfast Intl

29h 20m3 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat London Luton

£745Multiple Airlines

Sat, 26 Sep - Sat, 3 Oct

06:20 - 16:15BFS Belfast Intl-SFO San Francisco

17h 55m2 stops London Gatwick Zurich

19:35 - 22:40SFO San Francisco-BFS Belfast Intl

19h 05m2 stops Zurich London Gatwick

£754Multiple Airlines

Sat, 26 Sep - Sat, 3 Oct

06:20 - 22:59BFS Belfast Intl-SFO San Francisco

24h 39m2 stops London Gatwick Toronto Pearson Intl

08:10 - 22:40SFO San Francisco-BFS Belfast Intl

30h 30m3 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat London Gatwick

£768Multiple Airlines

Sat, 26 Sep - Sat, 3 Oct

06:15 - 12:00BFS Belfast Intl-SFO San Francisco

37h 45m3 stops Paris Charles de Gaulle Montreal Pierre Elliott Trudeau Intl Calgary

08:30 - 19:15SFO San Francisco-BFS Belfast Intl

26h 45m2 stops Toronto Pearson Intl Edinburgh Turnhouse

£793Multiple Airlines

Wed, 30 Sep - Wed, 7 Oct

08:20 - 21:55BFS Belfast Intl-SFO San Francisco

21h 35m3 stops Edinburgh Turnhouse Toronto Pearson Intl Calgary

15:05 - 23:10SFO San Francisco-BFS Belfast Intl

24h 05m2 stops Paris Charles de Gaulle Newcastle upon Tyne

£812Multiple Airlines

Thu, 3 Sep - Mon, 7 Sep

06:40 - 12:15BFS Belfast Intl-SFO San Francisco

37h 35m2 stops Edinburgh Turnhouse Toronto Pearson Intl

20:30 - 10:40SFO San Francisco-BFS Belfast Intl

30h 10m1 stop Paris Orly

£815Multiple Airlines

Thu, 3 Sep - Mon, 7 Sep

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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 Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Mon 28/9

06:10-18:00

2 stops19h 50m

San Francisco

Mon 5/10

15:05-20:25

2 stops21h 20m

£609

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Mon 28/9

06:10-21:55

3 stops23h 45m

San Francisco

Mon 5/10

08:10-23:20

3 stops31h 10m

£693

Fastest return journey

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Thu 3/9

09:00-19:10

1 stop18h 10m

San Francisco

Mon 7/9

19:50-22:00

1 stop18h 10m

£714

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Mon 28/9

14:20-14:40

3 stops32h 20m

San Francisco

Mon 5/10

16:45-20:55

2 stops20h 10m

£715

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Sat 26/9

06:20-12:15

3 stops37h 55m

San Francisco

Sat 3/10

08:10-21:30

3 stops29h 20m

£745

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Sat 26/9

06:20-16:15

2 stops17h 55m

San Francisco

Sat 3/10

19:35-22:40

2 stops19h 05m

£754

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Sat 26/9

06:20-22:59

2 stops24h 39m

San Francisco

Sat 3/10

08:10-22:40

3 stops30h 30m

£768

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Wed 30/9

06:15-12:00

3 stops37h 45m

San Francisco

Wed 7/10

08:30-19:15

2 stops26h 45m

£793

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Thu 3/9

08:20-21:55

3 stops21h 35m

San Francisco

Mon 7/9

15:05-23:10

2 stops24h 05m

£812

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Thu 3/9

06:40-12:15

2 stops37h 35m

San Francisco

Mon 7/9

20:30-10:40

1 stop30h 10m

£815

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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

What is the cheapest month to fly to San Francisco Bay Area?

The cheapest month to fly to San Francisco Bay Area from Belfast Intl Airport is in November. Flight prices, which tend to average around £0, are often lower during this time because this is during the off-season. If you’re not able to fly to San Francisco Bay Area in November, then January is your next best option. Flight prices from Belfast Intl Airport to San Francisco Bay Area during January average around £0.

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	16h 20m
Direct flights	None

The fastest flight from Belfast Intl Airport to San Francisco Bay Area takes 16h 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

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

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 August 2026, there is 1 operator 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 31.10% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 29.52%, Airbus A319 with 22.44%, and ATR 72-201 / 202 with 11.03%.

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 £517	Free Cancellation	Rating 6.7 8,167 reviews		Search British Airways 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.