What is the cheapest airline that flies from Belfast to San Francisco?

Iberia and British Airways are the most popular carriers operating from Belfast to San Francisco

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

Prices for flights from Belfast to San Francisco Airport are updated daily.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast to San Francisco Airport.

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

The required travel and health documents for your San Francisco Airport 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 San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$437 Cheap Flights from Belfast to San Francisco in 2025/26

Q: What is the typical price of a round-trip flight between Belfast and San Francisco?

Prices are currently high for flights on this route. Typical prices usually range from $534 to $598. The lowest price recently found on this route was $639.

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Find the cheapest flights from Belfast to San Francisco

Round-trip

One-way

Cheap round-trip flights

10:40 am - 6:45 pmBHD-SFO

16h 05m1 stop

10:37 am - 10:40 amSFO-BHD

17h 03m2 stops

$639American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

10:40 am - 6:45 pmBHD-SFO

16h 05m1 stop

10:24 am - 10:40 amSFO-BHD

17h 16m2 stops

$640American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:35 am - 6:45 pmBHD-SFO

20h 10m1 stop

9:40 pm - 6:35 pmSFO-BHD

13h 55m1 stop

$642American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

11:05 am - 10:18 pmBHD-SFO

19h 13m2 stops

10:24 am - 2:15 pmSFO-BHD

20h 51m2 stops

$644American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:35 am - 5:14 pmBHD-SFO

18h 39m2 stops

6:09 pm - 6:35 pmSFO-BHD

17h 26m2 stops

$645American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:30 am - 5:45 pmBHD-SFO

19h 15m2 stops

1:45 pm - 9:15 pmSFO-BHD

23h 30m2 stops

$663Delta

Find Deal

Thu, Oct 9 - Thu, Oct 16

6:30 am - 5:45 pmBHD-SFO

19h 15m2 stops

1:45 pm - 4:55 pmSFO-BHD

19h 10m1 stop

$692Delta

Find Deal

Thu, Oct 9 - Thu, Oct 16

8:05 am - 12:50 pmBFS-SFO

35h 45m2 stops

3:40 pm - 10:00 pmSFO-BFS

22h 20m2 stops

$771Multiple Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

6:35 am - 1:50 pmBHD-SFO

15h 15m1 stop

4:30 pm - 3:30 pmSFO-BHD

15h 00m1 stop

$825Multiple Airlines

Find Deal

Thu, Oct 9 - Thu, Oct 16

6:30 am - 11:45 amBHD-SFO

13h 15m1 stop

1:45 pm - 9:15 pmSFO-BHD

23h 30m1 stop

$1,052KLM

Find Deal

Sat, Sep 27 - Fri, Oct 3

American Airlines flights from Belfast to San Francisco

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

American Airlines

Mar 5

BHD10:40 amBelfast City

16h 05m

1 stop

SFO6:45 pmSan Francisco

Mar 9

SFO10:37 amSan Francisco

17h 03m

2 stops

BHD10:40 amBelfast City

$639

Find similar

American Airlines

Mar 5

BHD10:40 amBelfast City

16h 05m

1 stop

SFO6:45 pmSan Francisco

Mar 9

SFO10:24 amSan Francisco

17h 16m

2 stops

BHD10:40 amBelfast City

$640

Find similar

American Airlines

Mar 5

BHD6:35 amBelfast City

20h 10m

1 stop

SFO6:45 pmSan Francisco

Mar 9

SFO9:40 pmSan Francisco

13h 55m

1 stop

BHD6:35 pmBelfast City

$642

Find similar

Delta flights from Belfast to San Francisco

Our best Delta deals on Belfast to San Francisco flight tickets

Delta

Oct 9

BHD6:30 amBelfast City

19h 15m

2 stops

SFO5:45 pmSan Francisco

Oct 16

SFO1:45 pmSan Francisco

23h 30m

2 stops

BHD9:15 pmBelfast City

$663

Find similar

Delta

Oct 9

BHD6:30 amBelfast City

19h 15m

2 stops

SFO5:45 pmSan Francisco

Oct 16

SFO1:45 pmSan Francisco

19h 10m

1 stop

BHD4:55 pmBelfast City

$692

Find similar

Delta

Sep 27

BHD6:30 amBelfast City

13h 15m

1 stop

SFO11:45 amSan Francisco

Oct 3

SFO12:40 pmSan Francisco

20h 15m

2 stops

BHD4:55 pmBelfast City

$1,058

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/5

10:40 am-6:45 pm

1 stop16h 05m

San Francisco

Mon 3/9

10:37 am-10:40 am

2 stops17h 03m

$639

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/5

10:40 am-6:45 pm

1 stop16h 05m

San Francisco

Mon 3/9

10:24 am-10:40 am

2 stops17h 16m

$640

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/5

6:35 am-6:45 pm

1 stop20h 10m

San Francisco

Mon 3/9

9:40 pm-6:35 pm

1 stop13h 55m

$642

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/5

11:05 am-10:18 pm

2 stops19h 13m

San Francisco

Mon 3/9

10:24 am-2:15 pm

2 stops20h 51m

$644

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/5

6:35 am-5:14 pm

2 stops18h 39m

San Francisco

Mon 3/9

6:09 pm-6:35 pm

2 stops17h 26m

$645

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 10/9

6:30 am-5:45 pm

2 stops19h 15m

San Francisco

Thu 10/16

1:45 pm-9:15 pm

2 stops23h 30m

$663

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 10/9

6:30 am-5:45 pm

2 stops19h 15m

San Francisco

Thu 10/16

1:45 pm-4:55 pm

1 stop19h 10m

$692

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Fri 10/31

8:05 am-12:50 pm

2 stops35h 45m

San Francisco

Fri 11/7

3:40 pm-10:00 pm

2 stops22h 20m

$771

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 10/9

6:35 am-1:50 pm

1 stop15h 15m

San Francisco

Thu 10/16

4:30 pm-3:30 pm

1 stop15h 00m

$825

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Sat 9/27

6:30 am-11:45 am

1 stop13h 15m

San Francisco

Fri 10/3

1:45 pm-9:15 pm

1 stop23h 30m

$1,052

Flights are sorted by cheapest round-trip 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

Prices

Airlines

What is the typical price of a round-trip flight between Belfast and 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

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?
The straight-line distance from Belfast to San Francisco is 5028.1 mi. 13h 15m is a normal flight duration for this route.
When did momondo last update prices for flights from Belfast to San Francisco Airport?
Prices for flights from Belfast to San Francisco Airport are updated daily.
How old do you have to be to fly from Belfast to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The required travel and health documents for your San Francisco Airport 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 San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Santa Cruz

Carmel-by-the-Sea

Modesto

Sonoma

Calistoga

Bodega Bay

Roseville

Hayward

Big Sur

Santa Clara

Daly City

Fremont

Berkeley

Half Moon Bay

Walnut Creek

Vallejo

Redwood City

Salinas

South San Francisco

Fairfield

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to San Francisco. momondo saves you time and could save you money on your trip.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to San Francisco.

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

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Belfast and alert you when they change.