Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Belfast Intl Airport to San Francisco Bay Area from £532

This is the cheapest return 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 29/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
14:45 - 14:35
BFS
-
SFO
31h 50m2 stops
Multiple Airlines Logo
16:40 - 22:00
SFO
-
BFS
21h 20m2 stops
£532Multiple Airlines
Thu, 29 Jan - Thu, 5 Feb
Multiple Airlines Logo
07:00 - 16:05
BFS
-
SFO
41h 05m3 stops
Multiple Airlines Logo
10:15 - 22:05
SFO
-
BFS
27h 50m3 stops
£544Multiple Airlines
Thu, 29 Jan - Thu, 5 Feb
Multiple Airlines Logo
07:00 - 16:05
BFS
-
SFO
41h 05m3 stops
Multiple Airlines Logo
13:00 - 22:05
SFO
-
BFS
25h 05m2 stops
£596Multiple Airlines
Thu, 29 Jan - Thu, 5 Feb
Multiple Airlines Logo
09:55 - 23:25
BFS
-
SFO
21h 30m2 stops
Multiple Airlines Logo
15:40 - 22:05
SFO
-
BFS
22h 25m1 stop
£951Multiple Airlines
Thu, 29 Jan - Thu, 5 Feb

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 17 December 2025.
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

Thu 29/1

14:45-14:35

2 stops31h 50m

San Francisco

Thu 5/2

16:40-22:00

2 stops21h 20m

£532

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 29/1

07:00-16:05

3 stops41h 05m

San Francisco

Thu 5/2

10:15-22:05

3 stops27h 50m

£544

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 29/1

07:00-16:05

3 stops41h 05m

San Francisco

Thu 5/2

13:00-22:05

2 stops25h 05m

£596

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 29/1

09:55-23:25

2 stops21h 30m

San Francisco

Thu 5/2

15:40-22:05

1 stop22h 25m

£951

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

What is the cheapest day to depart on your flight to San Francisco Bay Area?

Our data shows that Thursday is the least expensive day to fly to San Francisco Bay Area. Tickets to fly out on this day can be as low as £491. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to San Francisco Bay Area on Tuesday is £724.

What is the cheapest time of day to depart on your flight to San Francisco Bay Area?

According to our data, the cheapest time of day to fly to San Francisco Bay Area is in the afternoon. momondo users have found flights departing from Belfast Intl Airport to San Francisco Bay Area in the afternoon for as low as £561. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to San Francisco Bay Area, so prices are often more expensive at around £594 per ticket.

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 15m

Direct flights

None
The fastest flight from Belfast Intl Airport to San Francisco Bay Area takes 15h 15m
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?

  • 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 £397Free CancellationRating
6.7
7,583 reviews
Search British Airways flights
American AirlinesPriceFrom £473Free CancellationRating
7.2
11,049 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 16/1
Fri 23/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to San Francisco Bay Area

Popular Cities in San Francisco Bay Area

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom £266
Flights to Orlandofrom £269
Flights to Los Angelesfrom £353
Flights to Miamifrom £358
Flights to San Franciscofrom £357
Flights to Bostonfrom £285
Flights to Chicagofrom £356
Flights to Las Vegasfrom £398
Flights to Washington, D.C.from £333
Flights to Atlantafrom £363
Flights to Dallasfrom £380
Flights to Houstonfrom £374