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

Virgin Atlantic, Delta, and KLM can get you from Belfast to San Francisco Bay Area in just under 26h 15m. Your travel time can differ by up to 4h 09m. Airlines will cover a distance of 5038 mi. Both multi-stop and direct flights can be found to your destination and back.

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.

£392+ 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 26 August 2026.

Mon 5/1014:20 -

3 stops32h 20m

Mon 12/1016:45 -

2 stops20h 10m

Deal found 21/8£661

Tue 22/917:30 -

1 stop26h 15m

Tue 29/907:00 -

2 stops18h 20m

Deal found 25/8£666

Mon 7/917:30 -

1 stop26h 15m

Mon 14/913:45 -

1 stop19h 10m

Deal found 22/8£667

Tue 22/909:50 -

2 stops22h 01m

Tue 29/910:29 -

2 stops22h 26m

Deal found 25/8£671

Sat 19/917:30 -

2 stops34h 06m

Sat 26/913:45 -

1 stop19h 10m

Deal found 22/8£672

Tue 10/1109:40 -

2 stops41h 55m

Fri 20/1120:59 -

2 stops52h 11m

Deal found 21/8£680

Tue 22/906:40 -

2 stops20h 20m

Tue 29/919:35 -

2 stops17h 30m

Deal found 25/8£691

Fri 18/920:10 -

2 stops27h 20m

Fri 25/921:23 -

2 stops31h 02m

Deal found 21/8£702

Wed 11/1106:35 -

1 stop16h 20m

Fri 20/1112:00 -

2 stops18h 05m

Deal found 21/8£713

Tue 10/1106:35 -

1 stop16h 20m

Fri 20/1112:00 -

2 stops18h 05m

Deal found 21/8£717

Sat 19/917:30 -

1 stop26h 15m

Sat 26/913:45 -

1 stop19h 10m

Deal found 22/8£754

Tue 10/1117:05 -

3 stops29h 40m

Fri 20/1108:40 -

2 stops28h 00m

Deal found 21/8£767

Find flight deals from Belfast to San Francisco Bay Area

Round-trip from	£661
One-way from	£392
Popular in	March
Cheapest in	May
Average price	£773

5/10-12/10
5 total stops
52h 30m total
Belfast to San Francisco Bay Area

Search Deals

30/9
3 total stops
36h 15m total
Belfast to San Francisco Bay Area

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£116 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease (£42 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

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

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Mon 5/10

14:20-14:40

3 stops32h 20m

San Francisco

Mon 12/10

16:45-20:55

2 stops20h 10m

£661

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 7/9

17:30-11:45

1 stop26h 15m

San Francisco

Mon 14/9

13:45-16:55

1 stop19h 10m

£667

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 7/9

17:30-11:45

1 stop26h 15m

San Francisco

Sun 13/9

00:05-09:20

2 stops25h 15m

£667

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Tue 22/9

09:50-23:51

2 stops22h 01m

San Francisco

Tue 29/9

10:29-16:55

2 stops22h 26m

£671

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 7/9

17:30-15:54

2 stops30h 24m

San Francisco

Mon 14/9

15:16-16:55

2 stops17h 39m

£672

Fastest return journey

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 21/1

11:05-18:45

1 stop15h 40m

San Francisco

Mon 25/1

07:04-10:50

2 stops19h 46m

£692

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Fri 16/10

06:05-16:15

2 stops18h 10m

San Francisco

Sun 25/10

20:25-21:25

2 stops18h 00m

£753

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Tue 22/9

21:15-21:55

3 stops32h 40m

San Francisco

Tue 29/9

15:05-19:20

2 stops20h 15m

£757

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Mon 7/9

10:50-11:45

2 stops32h 55m

San Francisco

Mon 14/9

20:10-23:05

2 stops18h 55m

£781

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Tue 10/11

16:55-11:45

2 stops26h 50m

San Francisco

Fri 20/11

08:40-20:40

2 stops28h 00m

£837

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 17 resultsSorted 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.

BFS-SFO

BHD-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

BFS-SFO

BHD-SFO

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

Reviews of airlines servicing San Francisco Bay Area

See what other customers who have flown with British Airways from Belfast to San Francisco Bay Area have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

British Airways

6.7

Okay

8,188 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

British Airways

6.7

Okay

8,188 reviews

British Airways

6.7

Okay

8,188 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

Related info for your journey

How long is the flight from Belfast to San Francisco Bay Area?
Virgin Atlantic, Delta, and KLM can get you from Belfast to San Francisco Bay Area in just under 26h 15m. Your travel time can differ by up to 4h 09m. Airlines will cover a distance of 5038 mi. Both multi-stop and direct flights can be found to your destination and back.
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

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Top airline flying from Belfast to San Francisco Bay Area

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£513	Average£636	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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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.

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Cheap flights from Belfast to San Francisco Bay Area from £392

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. 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 26 August 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 26 August 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 26 August 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 26 August 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 26 August 2026 and is based on user searches.

Discover last-minute flight deals from Belfast to San Francisco Bay Area. Data last updated 26 August 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 26 August 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 26 August 2026.

Find flight deals from Belfast to San Francisco Bay Area

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Reviews of airlines servicing San Francisco Bay Area

See what other customers who have flown with British Airways from Belfast to San Francisco Bay Area have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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 26 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Belfast to San Francisco Bay Area

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?

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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 26 August 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 26 August 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 26 August 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 26 August 2026.