How long is the flight from Belfast to San Francisco Bay Area?

British Airways can get you from Belfast to San Francisco Bay Area in just under 16h 20m. Your travel time can differ by up to . Airlines will cover a distance of 5038 mi.

In terms of precipitation, rainfall in San Francisco Bay Area ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco Bay Area when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco Bay Area, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from BFS to XIH?

When flying from Belfast to San Francisco Bay Area, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How can I find direct flights from Belfast to San Francisco Bay Area?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to San Francisco Bay Area.

Can I find deals for business class flights from Belfast to San Francisco Bay Area?

Yes. Cheapflights offers flight deals from Belfast to San Francisco Bay Area by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£332+ Cheap Flights from Belfast to San Francisco Bay Area

Cheap flight deals from Belfast to San Francisco Bay Area

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Belfast to San Francisco Bay Area
Explore the most affordable flight options available from Belfast to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Mon 23/1106:35 -

1 stop16h 20m

Tue 8/1213:42 -

2 stops19h 03m

Deal found 8/9£539

Thu 8/1012:45 -

2 stops18h 52m

Thu 15/1016:10 -

2 stops18h 35m

Deal found 10/9£582

Thu 8/1006:30 -

1 stop15h 20m

Thu 15/1019:30 -

1 stop15h 15m

Deal found 10/9£653

Thu 22/1015:35 -

2 stops31h 05m

Thu 29/1017:45 -

2 stops19h 45m

Deal found 6/9£714

Thu 8/1014:25 -

2 stops33h 25m

Thu 15/1017:35 -

2 stops21h 15m

Deal found 10/9£815

Sat 3/1015:20 -

2 stops32h 35m

Sat 10/1017:40 -

2 stops21h 25m

Deal found 5/9£882

Mon 23/1111:40 -

2 stops41h 15m

Tue 8/1216:55 -

3 stops42h 10m

Deal found 8/9£10,074

Find flight deals from Belfast to San Francisco Bay Area

Round-trip from	£539
One-way from	£332

British Airways
23/11-8/12
3 total stops
35h 23m total
Belfast to San Francisco Bay Area

Search Deals

30/10-31/12
3 total stops
35h 20m total
Belfast to San Francisco Bay Area

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Belfast to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Fri 30/10

08:25-12:45

3 stops35h 20m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£332

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Fri 30/10

07:00-12:45

3 stops36h 45m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£350

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 23/11

06:35-14:55

1 stop16h 20m

San Francisco

Tue 8/12

13:42-16:45

2 stops19h 03m

£539

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 21/1

20:00-15:35

2 stops27h 35m

San Francisco

Mon 25/1

17:25-17:25

1 stop16h 00m

£571

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Thu 22/10

15:35-14:40

2 stops31h 05m

San Francisco

Thu 29/10

17:45-20:30

2 stops19h 45m

£714

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Thu 8/10

14:25-15:50

2 stops33h 25m

San Francisco

Thu 15/10

17:35-22:50

2 stops21h 15m

£815

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Sat 3/10

22:25-21:55

3 stops31h 30m

San Francisco

Sat 10/10

08:30-09:35

2 stops17h 05m

£993

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Sorted by cheapest first

Best time to book a flight from Belfast to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Belfast with our price prediction graph.

BHD-SFO

BFS-SFO

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Belfast to San Francisco Bay Area

BF1-zzXIH

BHD-SFO

BFS-SFO

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Belfast to San Francisco Bay Area?
British Airways can get you from Belfast to San Francisco Bay Area in just under 16h 20m. Your travel time can differ by up to . Airlines will cover a distance of 5038 mi.
Can I find deals for flights from Belfast to San Francisco Bay Area that include hotel bookings?
Yes. In addition to deals on Belfast to San Francisco Bay Area flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast to San Francisco Bay Area?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to San Francisco Bay Area.
Can I find deals for business class flights from Belfast to San Francisco Bay Area?
Yes. Cheapflights offers flight deals from Belfast to San Francisco Bay Area by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Belfast to San Francisco Bay Area

Belfast Intl to Las Vegas flights

Belfast Intl to Los Angeles flights

Belfast City to Las Vegas flights

Belfast City to Los Angeles flights

Belfast Intl to San Francisco flights

Belfast City to San Francisco flights

Belfast City to Ontario flights

Belfast Intl to Santa Ana flights

Belfast City to Santa Ana flights

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast to San Francisco Bay Area?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco Bay Area from Belfast today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Belfast to San Francisco Bay Area?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Francisco Bay Area from Belfast.

Can Cheapflights find flights from Belfast to San Francisco Bay Area with no change fees?

Yes! Cheapflights helps users easily find flights from Belfast to San Francisco Bay Area with no change fees.

Can Cheapflights notify me if prices for flights from Belfast to San Francisco Bay Area become cheaper?

Not ready to book yet? You can track prices for flights from Belfast to San Francisco Bay Area on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Belfast to San Francisco Bay Area from £332

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast to San Francisco Bay Area

Cheapest flights from Belfast to San Francisco Bay AreaExplore the most affordable flight options available from Belfast to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Explore the most affordable flight options available from Belfast to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Belfast to San Francisco Bay AreaDiscover carefully curated flight deals from Belfast to San Francisco Bay Area that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from Belfast to San Francisco Bay Area that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Belfast to San Francisco Bay AreaDiscover last-minute flight deals from Belfast to San Francisco Bay Area. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Belfast to San Francisco Bay Area. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Belfast to San Francisco Bay AreaSearch for one-way flight options from Belfast to San Francisco Bay Area. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from Belfast to San Francisco Bay Area. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Find flight deals from Belfast to San Francisco Bay Area

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Belfast to San Francisco Bay Area that are best for you.

Best time to book a flight from Belfast to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Belfast with our price prediction graph.

Cheapflights Insights

Related info for your journey

How long is the flight from Belfast to San Francisco Bay Area?

Can I find deals for flights from Belfast to San Francisco Bay Area that include hotel bookings?

How can I find direct flights from Belfast to San Francisco Bay Area?

Can I find deals for business class flights from Belfast to San Francisco Bay Area?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Francisco Bay Area by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Belfast to San Francisco Bay Area by cabin class

Find flights from Belfast to San Francisco Bay Area, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Belfast and San Francisco Bay Area flights

Browse other Belfast and San Francisco Bay Area flight options. Last updated on 10 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast to San Francisco Bay Area?

Why should you use Cheapflights to find cheap flight tickets from Belfast to San Francisco Bay Area?

Can Cheapflights find flights from Belfast to San Francisco Bay Area with no change fees?

Can Cheapflights notify me if prices for flights from Belfast to San Francisco Bay Area become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Belfast to San Francisco Bay Area
Explore the most affordable flight options available from Belfast to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Belfast to San Francisco Bay Area
Discover carefully curated flight deals from Belfast to San Francisco Bay Area that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Belfast to San Francisco Bay Area
Discover last-minute flight deals from Belfast to San Francisco Bay Area. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Belfast to San Francisco Bay Area
Search for one-way flight options from Belfast to San Francisco Bay Area. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.