Cheap flights from San Francisco to Northern Ireland from £351
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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
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 22 January 2025.
Find flight deals from San Francisco to Northern Ireland
Cheapest flights from San Francisco to Northern IrelandExplore 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 22 January 2025.
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 22 January 2025.
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 22 January 2025.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Thu 20/2
14:37-16:40
2 stops18h 03m
Belfast City
Thu 27/2
06:35-15:00
1 stop16h 25m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Thu 20/2
13:50-16:50
1 stop19h 00m
Belfast City
Thu 27/2
06:30-11:50
1 stop13h 20m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Sat 3/5
22:41-09:05
2 stops26h 24m
Belfast City
Sat 10/5
19:00-13:50
1 stop26h 50m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Wed 19/2
01:45-10:20
2 stops24h 35m
Belfast City
Sun 23/2
20:25-15:00
1 stop26h 35m
San FranciscoBelfast
SFO - BFS
SFOBFS
San Francisco
Wed 5/3
16:35-20:10
2 stops19h 35m
Belfast Intl
Wed 12/3
06:30-21:10
3 stops21h 40m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Wed 11/6
11:05-16:55
2 stops21h 50m
Belfast City
Fri 4/7
06:30-11:45
1 stop13h 15m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Tue 8/4
19:20-17:30
1 stop14h 10m
Belfast City
Thu 17/4
06:35-13:50
1 stop15h 15m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Mon 7/4
16:35-17:30
1 stop16h 55m
Belfast City
Fri 18/4
09:30-17:15
1 stop15h 45m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Fri 9/5
23:53-13:40
3 stops29h 47m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Fri 9/5
17:45-20:50
2 stops19h 05m
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.
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 July 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 22 January 2025.
Comfort
Crew
Food
Boarding
Entertainment
Overall
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Comfort
Crew
Food
Boarding
Entertainment
Overall
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Comfort
Crew
Food
Boarding
Entertainment
Overall
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Comfort
Crew
Food
Boarding
Entertainment
Overall
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Comfort
Crew
Food
Boarding
Entertainment
Overall
Reviews
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.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for San Francisco to Northern Ireland
See prices for flight routes from nearby airports that may be better suited for you.
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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?
Cheapflights simply makes it quick and affordable to book flights from San Francisco to Northern Ireland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
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.