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$611+ Cheap flights from San Francisco (SFO) to Northern Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BFS
ene. 25 — feb. 11
sáb. 1/25
sáb. 2/1
1 adult, Economy
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Cheap flight deals from San Francisco to Northern Ireland

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Northern Ireland (GBNIR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 20, 2025.

Round-trip from

$611
(oojo)
From San Francisco to Northern Ireland
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Find flight deals from San Francisco to Northern Ireland

Cheapest flights from San Francisco to Northern Ireland
Explore the most affordable flight options available from San Francisco to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 20, 2025.

This oojo deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/58:40 pmSFO - BHD
1 stop15h 35mBritish Airways
mié. 2/126:35 amBHD - SFO
1 stop16h 25mBritish Airways
Deal found 1/20$611
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/188:08 amSFO - BHD
2 stops18h 22mAmerican Airlines
mar. 2/258:40 amBHD - SFO
1 stop18h 05mAmerican Airlines
Deal found 1/20$621
This Mytrip deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/57:25 pmSFO - BFS
2 stops18h 55mMultiple Airlines
mié. 3/122:15 pmBFS - SFO
2 stops34h 10mMultiple Airlines
Deal found 1/19$810
This Travelocity deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/2512:14 pmSFO - BHD
2 stops19h 21mIberia
mié. 7/1610:00 amBHD - SFO
2 stops22h 10mIberia
Deal found 1/19$1,134
This KLM deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/251:45 pmSFO - BHD
1 stop19h 10mKLM
mié. 7/165:25 pmBHD - SFO
1 stop26h 20mKLM
Deal found 1/19$1,276
This Mytrip deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/251:40 pmSFO - BHD
3 stops23h 10mMultiple Airlines
mié. 7/162:20 pmBHD - SFO
2 stops32h 10mMultiple Airlines
Deal found 1/19$1,484

Find flights from San Francisco to Northern Ireland within your budget

Customize your flight search to find flights from San Francisco to Northern Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 20, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

mié. 2/5

8:40 pm-8:15 pm

1 stop15h 35m

Belfast City

mié. 2/12

6:35 am-3:00 pm

1 stop16h 25m

$611

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

mar. 2/18

8:08 am-10:30 am

2 stops18h 22m

Belfast City

mar. 2/25

8:40 am-6:45 pm

1 stop18h 05m

$621

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

mié. 3/5

7:25 pm-10:20 pm

2 stops18h 55m

Belfast Intl

mié. 3/12

2:15 pm-5:25 pm

2 stops34h 10m

$810

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

mié. 6/25

12:14 pm-3:35 pm

2 stops19h 21m

Belfast City

mié. 7/16

10:00 am-12:10 am

2 stops22h 10m

$1,134

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

mié. 6/25

1:45 pm-4:55 pm

1 stop19h 10m

Belfast City

mié. 7/16

5:25 pm-11:45 am

1 stop26h 20m

$1,276

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

mié. 6/25

1:40 pm-8:50 pm

3 stops23h 10m

Belfast City

mié. 7/16

2:20 pm-2:30 pm

2 stops32h 10m

$1,484

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

mié. 5/14

1:21 pm-8:45 am

2 stops35h 24m

$960

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

mié. 5/14

7:20 pm-5:45 pm

1 stop14h 25m

$976

San FranciscoCampbeltown

SFO - CAL

SFOCAL

San Francisco

jue. 3/6

5:30 pm-5:15 pm

2 stops15h 45m

$2,489

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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

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

Travel insights for flights from San Francisco to Northern Ireland

Get recent, data-driven insights about flights from San Francisco to Northern Ireland including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from San Francisco to Northern Ireland?

Currently, February is the cheapest month in which you can book a flight from San Francisco to Northern Ireland (average of $657). Flying from San Francisco to Northern Ireland in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to NIR?

Find hourly flight availability from San Francisco to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 20, 2025.

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

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Northern Ireland ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Northern Ireland when rainfall is around 2.0 in.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated enero 20, 2025.
KLM
7.8
Good
1,341 reviews

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,341 reviews
KLM
7.8
Good
1,341 reviews

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,341 reviews

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Iberia
7.0
Good
2,646 reviews
KLM
7.8
Good
1,341 reviews

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

British Airways
6.6
Okay
6,834 reviews
KLM
7.8
Good
1,341 reviews

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Northern Ireland. 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 from for flights from San Francisco to Northern Ireland?

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to Northern Ireland. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • What are the most popular routes from San Francisco to Northern Ireland?

    The most popular flight routes from San Francisco to Northern Ireland are San Francisco - Belfast Intl, San Francisco - Belfast City and San Francisco - Campbeltown Machrihanish.

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

    Yes. In addition to deals on San Francisco to Northern Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

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

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

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

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

  • What is the cheapest month to book a flight from San Francisco to Northern Ireland?

    Currently, February is the cheapest month in which you can book a flight from San Francisco to Northern Ireland (average of $657). Flying from San Francisco to Northern Ireland in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for San Francisco to Northern Ireland

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Top 2 airlines flying from San Francisco to Northern Ireland

Discover the top 2 airlines that operate flights from San Francisco to Northern Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$493Average$830FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$607Average$863FlexibilityNo cancel feeOn-time70%
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