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 November 2025, 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.

£356 Cheap Flights from Belfast to San Francisco in 2025/26

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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.

06:35 - 15:00BHD-SFO

16h 25m1 stop

13:25 - 14:00SFO-BHD

16h 35m2 stops

£581British Airways

Find Deal

Mon, 12 Jan - Thu, 22 Jan

17:20 - 11:50BHD-SFO

26h 30m1 stop

13:55 - 16:50SFO-BHD

18h 55m1 stop

£589KLM

Find Deal

Mon, 12 Jan - Thu, 22 Jan

09:15 - 22:13BHD-SFO

20h 58m2 stops

13:25 - 14:00SFO-BHD

16h 35m2 stops

£591British Airways

Find Deal

Mon, 12 Jan - Thu, 22 Jan

09:05 - 18:45BHD-SFO

17h 40m1 stop

18:09 - 20:15SFO-BHD

19h 06m2 stops

£603American Airlines

Find Deal

Thu, 5 Mar - Mon, 9 Mar

09:05 - 15:00BHD-SFO

13h 55m1 stop

21:40 - 20:15SFO-BHD

15h 35m1 stop

£604American Airlines

Find Deal

Thu, 5 Mar - Mon, 9 Mar

10:40 - 21:55BHD-SFO

19h 15m2 stops

10:37 - 10:40SFO-BHD

17h 03m2 stops

£607American Airlines

Find Deal

Thu, 5 Mar - Mon, 9 Mar

11:05 - 22:25BHD-SFO

19h 20m2 stops

10:24 - 10:40SFO-BHD

17h 16m2 stops

£608American Airlines

Find Deal

Thu, 5 Mar - Mon, 9 Mar

09:05 - 20:42BHD-SFO

19h 37m2 stops

13:25 - 14:15SFO-BHD

17h 50m2 stops

£609American Airlines

Find Deal

Thu, 5 Mar - Mon, 9 Mar

14:15 - 16:30BHD-SFO

34h 15m2 stops

16:40 - 20:50SFO-BHD

20h 10m3 stops

£742Multiple Airlines

Find Deal

Mon, 12 Jan - Thu, 22 Jan

14:35 - 15:35BHD-SFO

33h 00m2 stops

17:20 - 16:15SFO-BHD

38h 55m2 stops

£793Aer Lingus

Find Deal

Mon, 15 Dec - Mon, 22 Dec

American Airlines flights from Belfast to San Francisco

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

American Airlines

5 Mar

BHD09:05Belfast City

17h 40m

1 stop

SFO18:45San Francisco

9 Mar

SFO18:09San Francisco

19h 06m

2 stops

BHD20:15Belfast City

£603

Find similar

American Airlines

5 Mar

BHD09:05Belfast City

13h 55m

1 stop

SFO15:00San Francisco

9 Mar

SFO10:24San Francisco

20h 51m

2 stops

BHD14:15Belfast City

£604

Find similar

American Airlines

5 Mar

BHD10:40Belfast City

19h 15m

2 stops

SFO21:55San Francisco

9 Mar

SFO10:37San Francisco

17h 03m

2 stops

BHD10:40Belfast City

£607

Find similar

Aer Lingus flights from Belfast to San Francisco

Our best Aer Lingus deals on Belfast to San Francisco flight tickets

Aer Lingus

15 Dec

BHD14:35Belfast City

33h 00m

2 stops

SFO15:35San Francisco

22 Dec

SFO17:20San Francisco

38h 55m

2 stops

BHD16:15Belfast City

£793

Find similar

Aer Lingus

15 Dec

BHD06:35Belfast City

16h 25m

1 stop

SFO15:00San Francisco

22 Dec

SFO17:20San Francisco

19h 15m

2 stops

BHD20:35Belfast City

£913

Find similar

Aer Lingus

15 Dec

BHD12:00Belfast City

35h 00m

3 stops

SFO15:00San Francisco

22 Dec

SFO11:20San Francisco

25h 30m

3 stops

BHD20:50Belfast City

£1,238

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 12/1

06:35-15:00

1 stop16h 25m

San Francisco

Thu 22/1

13:25-14:00

2 stops16h 35m

£581

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 12/1

17:20-11:50

1 stop26h 30m

San Francisco

Thu 22/1

13:55-16:50

1 stop18h 55m

£589

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 12/1

09:15-22:13

2 stops20h 58m

San Francisco

Thu 22/1

13:25-14:00

2 stops16h 35m

£591

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 5/3

09:05-18:45

1 stop17h 40m

San Francisco

Mon 9/3

18:09-20:15

2 stops19h 06m

£603

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 5/3

09:05-15:00

1 stop13h 55m

San Francisco

Mon 9/3

21:40-20:15

1 stop15h 35m

£604

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 5/3

10:40-21:55

2 stops19h 15m

San Francisco

Mon 9/3

10:37-10:40

2 stops17h 03m

£607

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 5/3

11:05-22:25

2 stops19h 20m

San Francisco

Mon 9/3

10:24-10:40

2 stops17h 16m

£608

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 5/3

09:05-20:42

2 stops19h 37m

San Francisco

Mon 9/3

13:25-14:15

2 stops17h 50m

£609

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 12/1

14:15-16:30

2 stops34h 15m

San Francisco

Thu 22/1

16:40-20:50

3 stops20h 10m

£742

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 15/12

14:35-15:35

2 stops33h 00m

San Francisco

Mon 22/12

17:20-16:15

2 stops38h 55m

£793

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 day to depart on your flight to San Francisco?

The cheapest day to depart on your flight to San Francisco is on a Thursday when prices can be found for as low as £502. This is often the case because there is less demand to fly during this day of the week. Flights from Belfast to San Francisco on a Tuesday will generally be more expensive and average around £740. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to San Francisco is in the afternoon. Flights from Belfast to San Francisco during this time can be as low as £574. Try not to purchase tickets in the morning because they tend to be around £607. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights	None

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 13h 20m.
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 November 2025, 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 £406	Free Cancellation	Rating 6.7 7,534 reviews		Search British Airways flights
American Airlines	PriceFrom £483	Free Cancellation	Rating 7.2 11,045 reviews		Search American Airlines flights

Carmel-by-the-Sea

Santa Clara

Seaside

Big Sur

Rohnert Park

Sunnyvale

San Ramon

South San Francisco

Capitola

Campbell

Palo Alto

Sausalito

San Bruno

Woodland

Santa Cruz

Redwood City

Burlingame

Modesto

Aptos

Fremont

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.