Cheap flights from Boston to Northern Ireland from £195
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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Boston to Northern Ireland
Keep the following information in mind while searching for Boston to Northern Ireland flight deals. Data was last updated 15 September 2025.
Round-trip from | £417 |
---|---|
One-way from | £195 |
Popular in | December |
Cheapest in | September |
Average price | £459 |
Find flight deals from Boston to Northern Ireland
Cheapest flights from Boston to Northern IrelandExplore the most affordable flight options available from Boston to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.
Explore the most affordable flight options available from Boston to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Boston to Northern Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Thu 20/11
19:50-20:40
2 stops19h 50m
Belfast Intl
Wed 26/11
06:30-17:50
2 stops16h 20m
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Wed 8/10
20:10-13:30
1 stop12h 20m
Belfast City
Sun 12/10
06:50-17:15
2 stops15h 25m
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Wed 29/10
22:20-16:15
2 stops13h 55m
Belfast Intl
Wed 5/11
12:20-14:35
3 stops31h 15m
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Thu 20/11
19:25-16:40
1 stop16h 15m
Belfast City
Wed 26/11
06:35-16:10
1 stop14h 35m
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Fri 12/12
07:30-08:25
1 stop19h 55m
Belfast City
Mon 15/12
19:25-21:55
1 stop31h 30m
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Wed 26/11
21:35-07:30
1 stop28h 55m
Belfast City
Sun 30/11
20:25-19:50
2 stops28h 25m
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Fri 21/11
07:30-08:25
1 stop19h 55m
Belfast City
Wed 26/11
06:35-14:20
1 stop12h 45m
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Fri 26/9
06:30-08:50
2 stops21h 20m
Belfast City
Tue 30/9
20:20-11:15
1 stop19h 55m
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Fri 26/9
20:15-16:55
1 stop15h 40m
Belfast City
Tue 30/9
17:25-16:30
1 stop28h 05m
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Fri 26/9
20:50-21:15
2 stops19h 25m
Belfast City
Tue 30/9
06:30-16:30
1 stop15h 00m
Best time to book a flight from Boston to Northern Ireland
Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Boston with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Boston to Northern Ireland
What is the cheapest month to book a flight from Boston to Northern Ireland?
Currently, January is the cheapest month in which you can book a flight from Boston to Northern Ireland (average of £67). Flying from Boston 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.
Related info for your journey
Find useful and relevant information for your journey from Boston to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Boston to Northern Ireland
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When you search for this flight from Boston to Northern Ireland, 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 Boston to Northern Ireland?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Boston to Northern Ireland.
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Yes! Cheapflights helps users easily find flights from Boston to Northern Ireland with no change fees.
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