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

Prices for flights from San Francisco Airport to Belfast refresh daily.

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

As of October 2025, there are 2 operators available to choose from for flights from San Francisco Airport to Belfast.

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

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 San Francisco Airport to Belfast.

What documentation or ID do you need to fly to Belfast?

The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$498 Cheap Flights from San Francisco to Belfast in 2025/26

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Find the cheapest flights from San Francisco to Belfast

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:40 pm - 6:40 pmSFO-BHD

14h 00m1 stop

8:45 am - 7:45 pmBHD-SFO

18h 00m1 stop

$641British Airways

Find Deal

Tue, Mar 3 - Tue, Mar 10

10:41 am - 11:30 amSFO-BHD

16h 49m2 stops

6:35 am - 4:00 pmBHD-SFO

16h 25m1 stop

$651British Airways

Find Deal

Tue, Mar 3 - Tue, Mar 10

9:33 am - 10:30 amSFO-BHD

16h 57m2 stops

8:45 am - 8:58 pmBHD-SFO

19h 13m2 stops

$659American Airlines

Find Deal

Tue, Mar 3 - Tue, Mar 10

8:40 pm - 7:30 amSFO-BHD

26h 50m1 stop

6:30 am - 3:00 pmBHD-SFO

16h 30m1 stop

$676British Airways

Find Deal

Wed, Dec 3 - Sun, Dec 7

1:55 pm - 9:00 pmSFO-BHD

23h 05m1 stop

6:30 am - 11:50 amBHD-SFO

13h 20m1 stop

$687Delta

Find Deal

Fri, Dec 5 - Tue, Dec 9

10:30 am - 4:50 pmSFO-BHD

22h 20m2 stops

6:30 am - 11:50 amBHD-SFO

13h 20m1 stop

$691Virgin Atlantic

Find Deal

Wed, Dec 3 - Sun, Dec 7

12:37 pm - 9:00 pmSFO-BHD

24h 23m2 stops

6:30 am - 11:50 amBHD-SFO

13h 20m1 stop

$692Delta

Find Deal

Wed, Dec 3 - Sun, Dec 7

8:45 am - 11:10 amSFO-BHD

18h 25m2 stops

6:35 am - 3:00 pmBHD-SFO

16h 25m1 stop

$698American Airlines

Find Deal

Sat, Nov 15 - Sat, Nov 22

7:15 am - 4:50 pmSFO-BHD

25h 35m2 stops

6:30 am - 8:59 pmBHD-SFO

22h 29m2 stops

$701Virgin Atlantic

Find Deal

Wed, Dec 3 - Sun, Dec 7

1:55 pm - 4:50 pmSFO-BHD

18h 55m1 stop

6:30 am - 11:50 amBHD-SFO

13h 20m1 stop

$716KLM

Find Deal

Sat, Nov 15 - Sat, Nov 22

British Airways flights from San Francisco to Belfast

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

British Airways

Mar 3

SFO8:40 pmSan Francisco

14h 00m

1 stop

BHD6:40 pmBelfast City

Mar 10

BHD8:45 amBelfast City

18h 00m

1 stop

SFO7:45 pmSan Francisco

$641

Find similar

British Airways

Mar 3

SFO10:41 amSan Francisco

16h 49m

2 stops

BHD11:30 amBelfast City

Mar 10

BHD6:35 amBelfast City

16h 25m

1 stop

SFO4:00 pmSan Francisco

$651

Find similar

British Airways

Dec 3

SFO8:40 pmSan Francisco

26h 50m

1 stop

BHD7:30 amBelfast City

Dec 7

BHD6:30 amBelfast City

16h 30m

1 stop

SFO3:00 pmSan Francisco

$676

Find similar

American Airlines flights from San Francisco to Belfast

Our best American Airlines deals on San Francisco to Belfast flight tickets

American Airlines

Mar 3

SFO9:33 amSan Francisco

16h 57m

2 stops

BHD10:30 amBelfast City

Mar 10

BHD8:45 amBelfast City

19h 13m

2 stops

SFO8:58 pmSan Francisco

$659

Find similar

American Airlines

Nov 15

SFO8:45 amSan Francisco

18h 25m

2 stops

BHD11:10 amBelfast City

Nov 22

BHD6:35 amBelfast City

16h 25m

1 stop

SFO3:00 pmSan Francisco

$698

Find similar

American Airlines

Nov 15

SFO8:45 amSan Francisco

18h 25m

2 stops

BHD11:10 amBelfast City

Nov 23

BHD6:30 amBelfast City

19h 54m

2 stops

SFO6:24 pmSan Francisco

$708

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 3/3

8:40 pm-6:40 pm

1 stop14h 00m

Belfast City

Tue 3/10

8:45 am-7:45 pm

1 stop18h 00m

$641

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 3/3

10:41 am-11:30 am

2 stops16h 49m

Belfast City

Tue 3/10

6:35 am-4:00 pm

1 stop16h 25m

$651

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 3/3

9:33 am-10:30 am

2 stops16h 57m

Belfast City

Tue 3/10

8:45 am-8:58 pm

2 stops19h 13m

$659

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 12/3

8:40 pm-7:30 am

1 stop26h 50m

Belfast City

Sun 12/7

6:30 am-3:00 pm

1 stop16h 30m

$676

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Fri 12/5

1:55 pm-9:00 pm

1 stop23h 05m

Belfast City

Tue 12/9

6:30 am-11:50 am

1 stop13h 20m

$687

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 12/3

10:30 am-4:50 pm

2 stops22h 20m

Belfast City

Sun 12/7

6:30 am-11:50 am

1 stop13h 20m

$691

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 12/3

12:37 pm-9:00 pm

2 stops24h 23m

Belfast City

Sun 12/7

6:30 am-11:50 am

1 stop13h 20m

$692

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 11/15

8:45 am-11:10 am

2 stops18h 25m

Belfast City

Sat 11/22

6:35 am-3:00 pm

1 stop16h 25m

$698

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 12/3

7:15 am-4:50 pm

2 stops25h 35m

Belfast City

Sun 12/7

6:30 am-8:59 pm

2 stops22h 29m

$701

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 11/15

1:55 pm-4:50 pm

1 stop18h 55m

Belfast City

Sat 11/22

6:30 am-11:50 am

1 stop13h 20m

$716

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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 Belfast?

In general, April is the cheapest month to fly from San Francisco to Belfast. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $622. If you don’t want to visit Belfast in April, then you should wait until October to fly from San Francisco, when ticket prices are also cheap, with an average price of $651.

What is the cheapest day to depart on your flight to Belfast?

The cheapest day to depart from San Francisco to Belfast is on a Tuesday when prices can be found for as low as $690. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Belfast for around $1,423.

What is the cheapest time of day to depart on your flight to Belfast?

Our data shows that the cheapest San Francisco to Belfast flights are usually those with departure times at noon. Our users have found flights to Belfast at noon for as low as $819. Try not to purchase tickets in the morning because they tend to be around $1,295. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap San Francisco to Belfast flight deals and tips

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

Direct flights	None

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

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How far is San Francisco to Belfast by plane?
The straight-line distance from San Francisco to Belfast is 5028.1 mi. By plane, this route typically takes 13h 55m.
When did momondo last update prices for flights from San Francisco Airport to Belfast?
Prices for flights from San Francisco Airport to Belfast refresh daily.
How many operators does momondo search for flights from San Francisco Airport to Belfast?
As of October 2025, there are 2 operators available to choose from for flights from San Francisco Airport to Belfast.
How old do you have to be to fly from San Francisco Airport to Belfast?
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 San Francisco Airport to Belfast.
What documentation or ID do you need to fly to Belfast?
The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Francisco to Belfast

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $621	Free Cancellation	Rating 6.7 7,446 reviews		Search British Airways flights
American Airlines	PriceFrom $635	Free Cancellation	Rating 7.2 11,043 reviews		Search American Airlines flights

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Belfast from San Francisco which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from San Francisco.

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

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