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Cheap flights from San Francisco to Northern Ireland from £491

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BFS
24 Dec — 31 Dec1
1 adult

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 19 December 2024.

Round-trip from

£491
3/3-9/3
  • 3/3-9/3
  • 4 total stops
  • 55h 15m total
  • San Francisco to Northern Ireland
Search Deals

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 19 December 2024.

Thu 26/1213:50SFO - BHD
1 stop23h 10mDelta
Sat 4/106:30BHD - SFO
1 stop13h 20mDelta
Deal found 18/12£985
Wed 25/1213:50SFO - BHD
1 stop23h 10mKLM
Sat 4/106:30BHD - SFO
1 stop13h 20mKLM
Deal found 18/12£1,228
Thu 26/1222:26SFO - BHD
2 stops36h 49mBritish Airways
Sat 4/106:30BHD - SFO
2 stops21h 01mBritish Airways
Deal found 18/12£1,906

Find flights from San Francisco to Northern Ireland within your budget

Customise 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 858,174 searches. Data last updated 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Mon 3/3

16:40-20:10

2 stops19h 30m

Belfast Intl

Sun 9/3

11:00-15:45

2 stops35h 45m

£491

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 4/3

17:30-14:55

1 stop13h 25m

Belfast City

Sun 9/3

09:10-15:00

1 stop13h 50m

£533

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 3/3

17:30-18:35

1 stop17h 05m

Belfast City

Sun 9/3

09:10-18:45

1 stop17h 35m

£536

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Fri 30/5

13:50-21:20

1 stop23h 30m

Belfast City

Fri 6/6

06:30-11:45

1 stop13h 15m

£763

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Fri 30/5

11:30-16:55

2 stops21h 25m

Belfast City

Fri 6/6

06:30-11:45

1 stop13h 15m

£767

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 4/3

13:55-20:30

2 stops22h 35m

Belfast City

Sun 9/3

14:15-15:45

3 stops32h 30m

£864

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 5/3

17:30-16:35

1 stop15h 05m

Belfast City

Wed 19/3

06:35-19:45

1 stop20h 10m

£3,556

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 5/3

12:00-16:50

2 stops20h 50m

Belfast City

Tue 18/3

06:30-12:50

1 stop13h 20m

£3,647

Flights are sorted by cheapest return flights first.

Deals found on 17/12

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 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.

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, January is the cheapest month in which you can book a flight from San Francisco to Northern Ireland (average of £67). Flying from San Francisco to Northern Ireland in August is currently the most expensive (average of £90). 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.

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 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 19 December 2024.
Read reviews from past customers who have flown Delta, British Airways and KLM from San Francisco to Northern Ireland. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,604 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,604 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
668 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Iberia
7.0
Good
2,655 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly out of when you book flights from San Francisco to Northern Ireland.

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

    When deciding which route to take from San Francisco to Northern Ireland consider San Francisco - Belfast Intl, San Francisco - Belfast City or San Francisco - Campbeltown Machrihanish as they are the most popular.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from San Francisco to Northern Ireland (average of £67). Flying from San Francisco to Northern Ireland in August is currently the most expensive (average of £90). 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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How does Cheapflights help users find flights from San Francisco to Northern Ireland?

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

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

Need flexible booking options for your flight to Northern Ireland from San Francisco? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from San Francisco to Northern Ireland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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