How do I get Price Alerts for flights from Belfast to San Francisco?

Confirm your travel details to search for the latest offers for flights from Belfast to San Francisco . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Belfast to San Francisco with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.

$785 Cheap Flights from Belfast to San Francisco in 2025/26

1 adult

0 bags

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Find the cheapest flights from Belfast to San Francisco

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:35 am - 6:45 pmBHD-SFO

20h 10m1 stop

6:30 pm - 6:35 pmSFO-BHD

17h 05m1 stop

$785American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

11:05 am - 6:45 pmBHD-SFO

15h 40m1 stop

10:24 am - 2:15 pmSFO-BHD

20h 51m2 stops

$787American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:35 am - 3:00 pmBHD-SFO

16h 25m1 stop

1:25 pm - 2:15 pmSFO-BHD

17h 50m2 stops

$791American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

11:05 am - 10:25 pmBHD-SFO

19h 20m2 stops

1:33 pm - 2:15 pmSFO-BHD

17h 42m2 stops

$796British Airways

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:30 am - 12:50 pmBHD-SFO

13h 20m1 stop

1:59 pm - 4:55 pmSFO-BHD

18h 56m2 stops

$1,075Virgin Atlantic

Find Deal

Thu, Mar 26 - Mon, Mar 30

6:30 am - 12:50 pmBHD-SFO

13h 20m1 stop

1:45 pm - 4:55 pmSFO-BHD

19h 10m1 stop

$1,078Virgin Atlantic

Find Deal

Thu, Mar 26 - Mon, Mar 30

6:30 am - 10:30 pmBHD-SFO

23h 00m2 stops

1:59 pm - 4:55 pmSFO-BHD

18h 56m2 stops

$1,081Virgin Atlantic

Find Deal

Thu, Mar 26 - Mon, Mar 30

6:30 am - 12:50 pmBHD-SFO

13h 20m1 stop

1:45 pm - 9:20 pmSFO-BHD

23h 35m1 stop

$1,083Delta

Find Deal

Thu, Mar 26 - Mon, Mar 30

12:45 pm - 2:35 pmBFS-SFO

33h 50m3 stops

4:40 pm - 10:40 pmSFO-BFS

22h 00m2 stops

$1,130Multiple Airlines

Find Deal

Sat, Dec 20 - Sat, Dec 27

11:10 pm - 2:35 pmBFS-SFO

47h 25m3 stops

4:40 pm - 9:55 pmSFO-BFS

21h 15m3 stops

$1,133Multiple Airlines

Find Deal

Sat, Dec 20 - Sat, Dec 27

American Airlines flights from Belfast to San Francisco

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

American Airlines

Mar 5

BHD6:35 amBelfast City

20h 10m

1 stop

SFO6:45 pmSan Francisco

Mar 9

SFO6:30 pmSan Francisco

17h 05m

1 stop

BHD6:35 pmBelfast City

$785

Find similar

American Airlines

Mar 5

BHD11:05 amBelfast City

15h 40m

1 stop

SFO6:45 pmSan Francisco

Mar 9

SFO10:24 amSan Francisco

20h 51m

2 stops

BHD2:15 pmBelfast City

$787

Find similar

American Airlines

Mar 5

BHD6:35 amBelfast City

16h 25m

1 stop

SFO3:00 pmSan Francisco

Mar 9

SFO1:25 pmSan Francisco

17h 50m

2 stops

BHD2:15 pmBelfast City

$791

Find similar

Virgin Atlantic flights from Belfast to San Francisco

Our best Virgin Atlantic deals on Belfast to San Francisco flight tickets

Virgin Atlantic

Mar 26

BHD6:30 amBelfast City

13h 20m

1 stop

SFO12:50 pmSan Francisco

Mar 30

SFO1:59 pmSan Francisco

18h 56m

2 stops

BHD4:55 pmBelfast City

$1,075

Find similar

Virgin Atlantic

Mar 26

BHD6:30 amBelfast City

13h 20m

1 stop

SFO12:50 pmSan Francisco

Mar 30

SFO1:45 pmSan Francisco

19h 10m

1 stop

BHD4:55 pmBelfast City

$1,078

Find similar

Virgin Atlantic

Mar 26

BHD6:30 amBelfast City

23h 00m

2 stops

SFO10:30 pmSan Francisco

Mar 30

SFO1:59 pmSan Francisco

18h 56m

2 stops

BHD4:55 pmBelfast City

$1,081

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/5

6:35 am-6:45 pm

1 stop20h 10m

San Francisco

Mon 3/9

6:30 pm-6:35 pm

1 stop17h 05m

$785

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/5

11:05 am-6:45 pm

1 stop15h 40m

San Francisco

Mon 3/9

10:24 am-2:15 pm

2 stops20h 51m

$787

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/5

6:35 am-3:00 pm

1 stop16h 25m

San Francisco

Mon 3/9

1:25 pm-2:15 pm

2 stops17h 50m

$791

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/5

11:05 am-10:25 pm

2 stops19h 20m

San Francisco

Mon 3/9

1:33 pm-2:15 pm

2 stops17h 42m

$796

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/26

6:30 am-12:50 pm

1 stop13h 20m

San Francisco

Mon 3/30

1:59 pm-4:55 pm

2 stops18h 56m

$1,075

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/26

6:30 am-12:50 pm

1 stop13h 20m

San Francisco

Mon 3/30

1:45 pm-4:55 pm

1 stop19h 10m

$1,078

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/26

6:30 am-10:30 pm

2 stops23h 00m

San Francisco

Mon 3/30

1:59 pm-4:55 pm

2 stops18h 56m

$1,081

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/26

6:30 am-12:50 pm

1 stop13h 20m

San Francisco

Mon 3/30

1:45 pm-9:20 pm

1 stop23h 35m

$1,083

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sat 12/20

12:45 pm-2:35 pm

3 stops33h 50m

San Francisco

Sat 12/27

4:40 pm-10:40 pm

2 stops22h 00m

$1,130

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sat 12/20

11:10 pm-2:35 pm

3 stops47h 25m

San Francisco

Sat 12/27

4:40 pm-9:55 pm

3 stops21h 15m

$1,133

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 20m 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.

How do I get Price Alerts for flights from Belfast to San Francisco?
Confirm your travel details to search for the latest offers for flights from Belfast to San Francisco. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Belfast to San Francisco with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Santa Cruz

Carmel-by-the-Sea

Modesto

Sonoma

Bodega Bay

Roseville

Calistoga

Hayward

Big Sur

Santa Clara

Daly City

Fremont

Berkeley

Vallejo

Walnut Creek

Half Moon Bay

Salinas

Livermore

Turlock

South San Francisco

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.