When did momondo last update prices for flights from Belfast to San Francisco Airport?

Prices for flights from Belfast to San Francisco Airport are refreshed on a daily basis.

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

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

How old do you have to be to fly from Belfast to San Francisco 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 Belfast to San Francisco Airport.

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

The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£319 Cheap Flights from Belfast to San Francisco in 2026

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

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

Find the cheapest flights from Belfast to San Francisco

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:30 - 13:50

BHD

SFO

15h 20m

1 stop

16:35 - 17:35

SFO

BHD

17h 00m

1 stop

£554British Airways

Fri, 24 Apr - Tue, 28 Apr

20:10 - 17:39

BHD

SFO

29h 29m

2 stops

12:06 - 15:20

SFO

BHD

19h 14m

2 stops

£555British Airways

Fri, 24 Apr - Tue, 28 Apr

20:10 - 19:11

BHD

SFO

31h 01m

2 stops

10:13 - 15:20

SFO

BHD

21h 07m

2 stops

£558British Airways

Fri, 24 Apr - Tue, 28 Apr

19:35 - 13:50

BHD

SFO

26h 15m

1 stop

19:30 - 17:35

SFO

BHD

14h 05m

1 stop

£568British Airways

Fri, 24 Apr - Tue, 28 Apr

20:10 - 23:22

BHD

SFO

35h 12m

2 stops

16:15 - 19:40

SFO

BHD

19h 25m

2 stops

£573British Airways

Fri, 24 Apr - Tue, 28 Apr

06:30 - 13:50

BHD

SFO

15h 20m

1 stop

16:35 - 15:20

SFO

BHD

14h 45m

1 stop

£606British Airways

Fri, 24 Apr - Tue, 28 Apr

06:30 - 13:50

BHD

SFO

15h 20m

1 stop

19:30 - 17:35

SFO

BHD

14h 05m

1 stop

£609British Airways

Fri, 24 Apr - Tue, 28 Apr

06:30 - 13:50

BHD

SFO

15h 20m

1 stop

16:35 - 17:35

SFO

BHD

17h 00m

1 stop

£610British Airways

Fri, 24 Apr - Tue, 28 Apr

21:25 - 12:40

BFS

SFO

23h 15m

2 stops

15:15 - 23:20

SFO

BFS

24h 05m

3 stops

£797Multiple Airlines

Tue, 14 Apr - Tue, 21 Apr

07:00 - 16:50

BFS

SFO

41h 50m

3 stops

08:10 - 23:05

SFO

BFS

30h 55m

3 stops

£840Multiple Airlines

Thu, 2 Apr - Sat, 4 Apr

British Airways flights from Belfast to San Francisco

Our best British Airways deals on Belfast to San Francisco flight tickets

British Airways

24 Apr

BHD06:30Belfast City

15h 20m

1 stop

SFO13:50San Francisco

28 Apr

SFO16:35San Francisco

17h 00m

1 stop

BHD17:35Belfast City

£554

British Airways

24 Apr

BHD20:10Belfast City

29h 29m

2 stops

SFO17:39San Francisco

28 Apr

SFO12:06San Francisco

19h 14m

2 stops

BHD15:20Belfast City

£555

British Airways

24 Apr

BHD20:10Belfast City

31h 01m

2 stops

SFO19:11San Francisco

28 Apr

SFO10:13San Francisco

21h 07m

2 stops

BHD15:20Belfast City

£558

Fly from

Fly to

Route

Depart

Return

Price

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 24/4

06:30-13:50

1 stop15h 20m

San Francisco

Tue 28/4

16:35-17:35

1 stop17h 00m

£554

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 24/4

20:10-17:39

2 stops29h 29m

San Francisco

Tue 28/4

12:06-15:20

2 stops19h 14m

£555

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 24/4

20:10-19:11

2 stops31h 01m

San Francisco

Tue 28/4

10:13-15:20

2 stops21h 07m

£558

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 24/4

19:35-13:50

1 stop26h 15m

San Francisco

Tue 28/4

19:30-17:35

1 stop14h 05m

£568

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 24/4

20:10-23:22

2 stops35h 12m

San Francisco

Tue 28/4

16:15-19:40

2 stops19h 25m

£573

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 24/4

06:30-13:50

1 stop15h 20m

San Francisco

Tue 28/4

16:35-15:20

1 stop14h 45m

£606

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 24/4

06:30-13:50

1 stop15h 20m

San Francisco

Tue 28/4

19:30-17:35

1 stop14h 05m

£609

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 24/4

06:30-13:50

1 stop15h 20m

San Francisco

Tue 28/4

16:35-17:35

1 stop17h 00m

£610

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Tue 14/4

21:25-12:40

2 stops23h 15m

San Francisco

Tue 21/4

15:15-23:20

3 stops24h 05m

£797

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 2/4

07:00-16:50

3 stops41h 50m

San Francisco

Sat 4/4

08:10-23:05

3 stops30h 55m

£840

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Belfast to San Francisco

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 airline that flies from Belfast to San Francisco?

British Airways is the most popular carrier operating from Belfast to San Francisco

Cheap Belfast to San Francisco flight deals and tips

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

Fastest flight time	16h 15m
Direct flights	None

The fastest flight from Belfast to San Francisco takes 16h 15m

There are no direct flights from Belfast to San Francisco. There are no popular flight routes from Belfast to San Francisco.

Search flight deals

How far is Belfast to San Francisco by plane?
San Francisco is 5028.1 mi away from Belfast. A reasonable flight in good conditions will take 16h 15m.
When did momondo last update prices for flights from Belfast to San Francisco Airport?
Prices for flights from Belfast to San Francisco Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Belfast to San Francisco Airport?
As of March 2026, there are 2 operators available to choose from for flights from Belfast to San Francisco Airport.
How old do you have to be to fly from Belfast to San Francisco 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 Belfast to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Belfast to San Francisco

Compare and see reviews for airlines that fly from Belfast to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £428	Free Cancellation	Rating 6.7 7,773 reviews		Search British Airways flights
American Airlines	PriceFrom £473	Free Cancellation	Rating 7.1 11,375 reviews		Search American Airlines flights

Sunnyvale

Santa Clara

Seaside

Big Sur

Rohnert Park

Newark

Campbell

Palo Alto

Santa Cruz

Roseville

South San Francisco

Capitola

Novato

Sausalito

San Bruno

Woodland

Aptos

Pacific Grove

Daly City

Burlingame

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to San Francisco . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Belfast to San Francisco 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?

momondo provides multiple filters to help you find the best flight to San Francisco from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Belfast to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.