How long is the flight from Northern Ireland to San Francisco?

Airlines like British Airways and Delta fly from Northern Ireland to San Francisco in about 18h 58m. The time it takes to get you to your destination can typically vary by up to 3h 48m. 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 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 when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco, 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 NIR to SFO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Northern Ireland to San Francisco as you normally would.

What airport do you fly into for flights to San Francisco from Northern Ireland?

For a flight from Northern Ireland to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.0 mi from the center of the city.

How can I find direct flights from Northern Ireland to San Francisco?

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

Can I find deals for business class flights from Northern Ireland to San Francisco?

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

£317+ Cheap Flights from Northern Ireland to San Francisco

Cheap flight deals from Northern Ireland to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Northern Ireland to San Francisco
Explore the most affordable flight options available from Northern Ireland to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 July 2026.

Fri 13/1108:45

BHD

SFO

1 stop17h 50m

British Airways

Thu 26/1117:25

SFO

BHD

1 stop17h 25m

British Airways

Deal found 2/7£612

Thu 27/809:50

BHD

SFO

2 stops19h 57m

Multiple Airlines

Thu 3/913:45

SFO

BHD

1 stop19h 10m

Multiple Airlines

Deal found 4/7£674

Thu 27/817:30

BHD

SFO

1 stop26h 15m

Delta

Thu 3/913:45

SFO

BHD

1 stop19h 10m

Delta

Deal found 4/7£678

Tue 22/1211:25

BHD

SFO

1 stop15h 10m

British Airways

Tue 12/109:12

SFO

BHD

2 stops17h 18m

British Airways

Deal found 5/7£711

Thu 27/822:45

BFS

SFO

2 stops25h 05m

Multiple Airlines

Thu 3/917:35

SFO

BFS

2 stops17h 55m

Multiple Airlines

Deal found 4/7£727

Tue 22/1211:25

BHD

SFO

2 stops19h 26m

British Airways

Wed 6/109:12

SFO

BHD

2 stops17h 03m

British Airways

Deal found 5/7£744

Sat 24/1021:40

BFS

SFO

2 stops26h 55m

Multiple Airlines

Sat 31/1018:20

SFO

BFS

2 stops20h 15m

Multiple Airlines

Deal found 1/7£764

Tue 22/1207:00

BFS

SFO

3 stops39h 45m

Multiple Airlines

Wed 6/119:25

SFO

BFS

2 stops18h 35m

Multiple Airlines

Deal found 5/7£778

Fri 13/1114:10

BHD

SFO

2 stops34h 20m

Multiple Airlines

Thu 26/1108:40

SFO

BHD

3 stops24h 20m

Multiple Airlines

Deal found 2/7£804

Tue 22/1207:00

BFS

SFO

3 stops39h 45m

Multiple Airlines

Thu 7/108:25

SFO

BFS

3 stops27h 25m

Multiple Airlines

Deal found 5/7£820

Fri 10/711:25

BFS

SFO

1 stop34h 25m

Multiple Airlines

Mon 27/720:30

SFO

BFS

2 stops26h 35m

Multiple Airlines

Deal found 5/7£823

Sun 25/1007:45

BFS

SFO

2 stops15h 50m

Multiple Airlines

Mon 26/1008:25

SFO

BFS

3 stops30h 55m

Multiple Airlines

Deal found 4/7£830

Best flights from Northern Ireland to San Francisco
Discover carefully curated flight deals from Northern Ireland to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 July 2026.

Fri 13/1113:45

BHD

SFO

2 stops18h 58m

British Airways

Thu 26/1109:12

SFO

BHD

2 stops17h 08m

British Airways

Deal found 2/7£617

Thu 27/809:50

BHD

SFO

2 stops22h 46m

Delta

Thu 3/915:37

SFO

BHD

2 stops17h 18m

Delta

Deal found 4/7£723

Sat 24/1021:40

BFS

SFO

2 stops26h 55m

Multiple Airlines

Sat 31/1018:20

SFO

BFS

2 stops20h 15m

Multiple Airlines

Deal found 1/7£764

Tue 22/1211:25

BHD

SFO

1 stop15h 10m

British Airways

Tue 12/109:12

SFO

BHD

2 stops17h 18m

British Airways

Deal found 5/7£711

Tue 22/1207:00

BFS

SFO

3 stops39h 45m

Multiple Airlines

Wed 6/119:25

SFO

BFS

2 stops18h 35m

Multiple Airlines

Deal found 5/7£778

Sat 10/1017:30

BHD

SFO

2 stops36h 58m

Virgin Atlantic

Sun 25/1013:25

SFO

BHD

2 stops60h 45m

Virgin Atlantic

Deal found 4/7£1,599

Mon 3/809:50

BHD

SFO

2 stops22h 43m

Delta

Mon 10/807:00

SFO

BHD

2 stops18h 20m

Delta

Deal found 6/7£813

Tue 22/1211:25

BHD

SFO

2 stops19h 26m

British Airways

Wed 6/109:12

SFO

BHD

2 stops17h 03m

British Airways

Deal found 5/7£744

Thu 27/820:40

BFS

SFO

2 stops27h 10m

Multiple Airlines

Thu 3/923:15

SFO

BFS

1 stop15h 45m

Multiple Airlines

Deal found 4/7£786

Fri 13/1114:10

BHD

SFO

2 stops34h 20m

Multiple Airlines

Thu 26/1108:40

SFO

BHD

3 stops24h 20m

Multiple Airlines

Deal found 2/7£804

Tue 22/1207:00

BFS

SFO

3 stops39h 45m

Multiple Airlines

Thu 7/108:25

SFO

BFS

3 stops27h 25m

Multiple Airlines

Deal found 5/7£820

Sun 25/1007:45

BFS

SFO

2 stops15h 50m

Multiple Airlines

Mon 26/1008:25

SFO

BFS

3 stops30h 55m

Multiple Airlines

Deal found 4/7£830

Thu 13/821:05

BFS

SFO

3 stops46h 55m

Multiple Airlines

Tue 18/808:30

SFO

BFS

2 stops22h 45m

Multiple Airlines

Deal found 3/7£954

Sat 10/1009:35

BHD

SFO

2 stops19h 10m

British Airways

Sun 25/1021:35

SFO

BHD

1 stop14h 05m

British Airways

Deal found 4/7£1,650

Mon 3/817:30

BHD

SFO

3 stops30h 45m

Multiple Airlines

Mon 10/815:05

SFO

BHD

2 stops21h 45m

Multiple Airlines

Deal found 6/7£1,305

Find flight deals from Northern Ireland to San Francisco

Round-trip from	£612
One-way from	£317
Popular in	March
Cheapest in	May
Average price	£826

British Airways
13/11-26/11
2 total stops
35h 15m total
Northern Ireland to San Francisco

Search Deals

24/8
3 total stops
48h 40m total
Northern Ireland to San Francisco

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£116 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (£43 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Northern Ireland to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 13/11

13:45-00:43

2 stops18h 58m

San Francisco

Thu 26/11

09:12-10:20

2 stops17h 08m

£617

Fastest return journey

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 22/12

11:25-18:35

1 stop15h 10m

San Francisco

Tue 12/1

09:12-10:30

2 stops17h 18m

£711

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 27/8

09:50-00:36

2 stops22h 46m

San Francisco

Thu 3/9

15:37-16:55

2 stops17h 18m

£723

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 22/12

11:25-22:51

2 stops19h 26m

San Francisco

Wed 6/1

09:12-10:15

2 stops17h 03m

£744

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sat 24/10

21:40-16:35

2 stops26h 55m

San Francisco

Sat 31/10

18:20-21:35

2 stops20h 15m

£764

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Tue 22/12

07:00-14:45

3 stops39h 45m

San Francisco

Wed 6/1

19:25-22:00

2 stops18h 35m

£778

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 27/8

20:40-15:50

2 stops27h 10m

San Francisco

Thu 3/9

23:15-23:00

1 stop15h 45m

£786

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 13/11

14:10-16:30

2 stops34h 20m

San Francisco

Thu 26/11

08:40-17:00

3 stops24h 20m

£804

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 3/8

09:50-00:33

2 stops22h 43m

San Francisco

Mon 10/8

07:00-09:20

2 stops18h 20m

£813

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Tue 22/12

07:00-14:45

3 stops39h 45m

San Francisco

Thu 7/1

08:25-19:50

3 stops27h 25m

£820

Flights are sorted by cheapest return flights first.

Deals found on 4/7

Showing 1-10 of 24 resultsSorted by cheapest first

Best time to book a flight from Northern Ireland to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Northern Ireland 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 Northern Ireland to San Francisco

GBNIR-SFO

BHD-SFO

BFS-SFO

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

Related info for your journey

What airport do you fly into for flights to San Francisco from Northern Ireland?
For a flight from Northern Ireland to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.0 mi from the center of the city.
How long is the flight from Northern Ireland to San Francisco?
Airlines like British Airways and Delta fly from Northern Ireland to San Francisco in about 18h 58m. The time it takes to get you to your destination can typically vary by up to 3h 48m. 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 Northern Ireland to San Francisco that include hotel bookings?
Yes. In addition to deals on Northern Ireland to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to San Francisco.
Can I find deals for business class flights from Northern Ireland to San Francisco?
Yes. Cheapflights offers flight deals from Northern Ireland to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top airline flying from Northern Ireland to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£511	Average£663	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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How does Cheapflights help users find flights from Northern Ireland to San Francisco?

When you search for this flight from Northern Ireland to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to San Francisco?

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 from Northern Ireland.

Can Cheapflights find flights from Northern Ireland to San Francisco with no change fees?

Certainly. Search results for flights to San Francisco from Northern Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Northern Ireland to San Francisco become cheaper?

Yes, Cheapflights offers price alerts on Northern Ireland to San Francisco flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Northern Ireland to San Francisco from £317

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to San Francisco

Cheapest flights from Northern Ireland to San FranciscoExplore the most affordable flight options available from Northern Ireland to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 July 2026.

Explore the most affordable flight options available from Northern Ireland to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 July 2026.

Best flights from Northern Ireland to San FranciscoDiscover carefully curated flight deals from Northern Ireland to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 July 2026.

Discover carefully curated flight deals from Northern Ireland to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 July 2026.

Last-minute flights from Northern Ireland to San FranciscoDiscover last-minute flight deals from Northern Ireland to San Francisco. Data last updated 6 July 2026 and is based on user searches.

Discover last-minute flight deals from Northern Ireland to San Francisco. Data last updated 6 July 2026 and is based on user searches.

One-way flights from Northern Ireland to San FranciscoSearch for one-way flight options from Northern Ireland to San Francisco. Find affordable one-way fares based on user searches. Data last updated 6 July 2026.

Search for one-way flight options from Northern Ireland to San Francisco. Find affordable one-way fares based on user searches. Data last updated 6 July 2026.

Find flight deals from Northern Ireland to San Francisco

Keep the following information in mind while searching for Northern Ireland to San Francisco flight deals. Data was last updated 6 July 2026.

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 Northern Ireland to San Francisco that are best for you.

Best time to book a flight from Northern Ireland to San Francisco

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

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to San Francisco

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Francisco from Northern Ireland?

How long is the flight from Northern Ireland to San Francisco?

Can I find deals for flights from Northern Ireland to San Francisco that include hotel bookings?

How can I find direct flights from Northern Ireland to San Francisco?

Can I find deals for business class flights from Northern Ireland to San Francisco?

Travelling to a place near San Francisco?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Northern Ireland to San Francisco

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Complete your trip

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Direct flights to California

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Search flights from Northern Ireland to San Francisco by cabin class

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Northern Ireland and San Francisco flights

Browse other Northern Ireland and San Francisco flight options. Last updated on 6 July 2026.

Popular flight searches

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Other flights to San Francisco

Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 6 July 2026.

Northern Ireland to San Francisco flights

Consider these flights travelling from Northern Ireland to San Francisco.

Top airline flying from Northern Ireland to San Francisco

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Northern Ireland to San Francisco?

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to San Francisco?

Can Cheapflights find flights from Northern Ireland to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from Northern Ireland to San Francisco become cheaper?

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Book with Flexibility

Travel Smart

Cheapest flights from Northern Ireland to San Francisco
Explore the most affordable flight options available from Northern Ireland to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 July 2026.

Best flights from Northern Ireland to San Francisco
Discover carefully curated flight deals from Northern Ireland to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 July 2026.

Last-minute flights from Northern Ireland to San Francisco
Discover last-minute flight deals from Northern Ireland to San Francisco. Data last updated 6 July 2026 and is based on user searches.

One-way flights from Northern Ireland to San Francisco
Search for one-way flight options from Northern Ireland to San Francisco. Find affordable one-way fares based on user searches. Data last updated 6 July 2026.