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Cheap flights from Belfast Intl Airport to San Francisco Bay Area from £418

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to San Francisco Bay Area departing on 23/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:10 - 14:35
BFS
-
SFO
39h 25m
3 stops
Multiple Airlines Logo
20:25 - 21:10
SFO
-
BFS
17h 45m
2 stops
£664Multiple Airlines
Sun, 1 Mar - Mon, 9 Mar
Multiple Airlines Logo
07:10 - 14:35
BFS
-
SFO
39h 25m
3 stops
Multiple Airlines Logo
08:25 - 16:35
SFO
-
BFS
25h 10m
3 stops
£679Multiple Airlines
Sun, 1 Mar - Mon, 9 Mar
Multiple Airlines Logo
16:45 - 14:35
BFS
-
SFO
29h 50m
2 stops
Multiple Airlines Logo
20:25 - 21:10
SFO
-
BFS
17h 45m
2 stops
£772Multiple Airlines
Sun, 1 Mar - Mon, 9 Mar
Multiple Airlines Logo
23:10 - 15:35
BFS
-
SFO
47h 25m
3 stops
Multiple Airlines Logo
15:40 - 19:20
SFO
-
BFS
20h 40m
2 stops
£809Multiple Airlines
Sat, 21 Mar - Sat, 28 Mar
Multiple Airlines Logo
23:10 - 15:35
BFS
-
SFO
47h 25m
3 stops
Multiple Airlines Logo
19:35 - 22:40
SFO
-
BFS
19h 05m
2 stops
£823Multiple Airlines
Sat, 21 Mar - Sat, 28 Mar
Multiple Airlines Logo
05:45 - 15:45
BFS
-
SFO
41h 00m
3 stops
Multiple Airlines Logo
08:25 - 15:10
SFO
-
BFS
23h 45m
3 stops
£918Multiple Airlines
Fri, 20 Mar - Fri, 27 Mar
Multiple Airlines Logo
08:05 - 20:35
BFS
-
SFO
19h 30m
2 stops
Multiple Airlines Logo
18:20 - 22:00
SFO
-
BFS
20h 40m
2 stops
£921Multiple Airlines
Fri, 20 Mar - Fri, 27 Mar
Multiple Airlines Logo
08:05 - 20:35
BFS
-
SFO
19h 30m
2 stops
Multiple Airlines Logo
08:25 - 22:00
SFO
-
BFS
30h 35m
3 stops
£942Multiple Airlines
Fri, 20 Mar - Fri, 27 Mar
Multiple Airlines Logo
23:10 - 15:35
BFS
-
SFO
47h 25m
3 stops
Multiple Airlines Logo
08:25 - 20:30
SFO
-
BFS
29h 05m
3 stops
£1,000Multiple Airlines
Sat, 21 Mar - Sat, 28 Mar
Multiple Airlines Logo
06:00 - 16:35
BFS
-
SFO
17h 35m
2 stops
Multiple Airlines Logo
18:20 - 23:05
SFO
-
BFS
20h 45m
2 stops
£1,020Multiple Airlines
Sat, 21 Mar - Sat, 28 Mar

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport to San Francisco Bay Area that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 4 February 2026.
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

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sun 1/3

07:10-14:35

3 stops39h 25m

San Francisco

Mon 9/3

20:25-21:10

2 stops17h 45m

£664

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sun 1/3

07:10-14:35

3 stops39h 25m

San Francisco

Mon 9/3

08:25-16:35

3 stops25h 10m

£679

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sun 1/3

16:45-14:35

2 stops29h 50m

San Francisco

Mon 9/3

20:25-21:10

2 stops17h 45m

£772

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sat 21/3

23:10-15:35

3 stops47h 25m

San Francisco

Sat 28/3

15:40-19:20

2 stops20h 40m

£809

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sat 21/3

23:10-15:35

3 stops47h 25m

San Francisco

Sat 28/3

19:35-22:40

2 stops19h 05m

£823

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Fri 20/3

05:45-15:45

3 stops41h 00m

San Francisco

Fri 27/3

08:25-15:10

3 stops23h 45m

£918

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Fri 20/3

08:05-20:35

2 stops19h 30m

San Francisco

Fri 27/3

18:20-22:00

2 stops20h 40m

£921

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Fri 20/3

08:05-20:35

2 stops19h 30m

San Francisco

Fri 27/3

08:25-22:00

3 stops30h 35m

£942

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sat 21/3

23:10-15:35

3 stops47h 25m

San Francisco

Sat 28/3

08:25-20:30

3 stops29h 05m

£1,000

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sat 21/3

06:00-16:35

2 stops17h 35m

San Francisco

Sat 28/3

18:20-23:05

2 stops20h 45m

£1,020

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to San Francisco Bay Area from

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

14h 45m

Direct flights

None
The fastest flight from Belfast Intl Airport to San Francisco Bay Area takes 14h 45m
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.
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  • 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?

  • 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?

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 AirwaysPriceFrom £389Free CancellationRating
6.7
7,715 reviews
Search British Airways flights
American AirlinesPriceFrom £463Free CancellationRating
7.2
11,222 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.

An easier way to manage your San Francisco Bay Area trip

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