Cheap flights from Northern Ireland to Boston from £485
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from Northern Ireland to Boston
Cheapest flights from Northern Ireland to BostonExplore the most affordable flight options available from Northern Ireland to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 October 2025.
Explore the most affordable flight options available from Northern Ireland to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 October 2025.
Cheap flight deals from Northern Ireland to Boston
Keep the following information in mind while searching for Northern Ireland to Boston flight deals. Data was last updated 28 October 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Northern Ireland to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BelfastBoston
BFS - BOS
BFSBOS
Belfast Intl
Mon 24/11
06:40-16:50
2 stops39h 10m
Boston Logan Intl
Mon 1/12
20:00-13:25
1 stop12h 25m
BelfastBoston
BHD - BOS
BHDBOS
Belfast City
Mon 24/11
06:30-18:55
1 stop17h 25m
Boston Logan Intl
Mon 1/12
19:10-21:00
1 stop20h 50m
BelfastBoston
BHD - BOS
BHDBOS
Belfast City
Thu 19/3
06:35-18:50
2 stops16h 15m
Boston Logan Intl
Mon 23/3
20:50-20:15
2 stops19h 25m
BelfastBoston
BHD - BOS
BHDBOS
Belfast City
Thu 19/3
15:05-22:55
1 stop11h 50m
Boston Logan Intl
Mon 23/3
22:35-14:15
1 stop11h 40m
BelfastBoston
BHD - BOS
BHDBOS
Belfast City
Mon 24/11
06:30-16:14
2 stops14h 44m
Boston Logan Intl
Mon 1/12
20:25-16:50
2 stops15h 25m
BelfastBoston
BHD - BOS
BHDBOS
Belfast City
Thu 19/3
06:30-22:33
2 stops20h 03m
Boston Logan Intl
Mon 23/3
21:50-16:50
1 stop15h 00m
BelfastBoston
BFS - BOS
BFSBOS
Belfast Intl
Wed 10/12
06:30-17:50
2 stops16h 20m
Boston Logan Intl
Wed 17/12
11:35-17:55
2 stops25h 20m
BelfastBoston
BFS - BOS
BFSBOS
Belfast Intl
Mon 10/11
07:50-18:55
2 stops16h 05m
Boston Logan Intl
Thu 13/11
21:20-22:20
2 stops20h 00m
BelfastBoston
BFS - BOS
BFSBOS
Belfast Intl
Thu 11/12
19:45-14:35
3 stops47h 50m
Boston Logan Intl
Thu 18/12
17:20-18:25
2 stops20h 05m
BelfastBoston
BHD - BOS
BHDBOS
Belfast City
Tue 10/3
10:00-16:55
1 stop10h 55m
Boston Logan Intl
Wed 11/3
20:25-14:15
1 stop13h 50m
Best time to book a flight from Northern Ireland to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Northern Ireland with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Northern Ireland to Boston
What is the cheapest time of day to fly from NIR to BOS?
Find hourly flight availability from Northern Ireland to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 October 2025.
It’s optimal to fly from Northern Ireland to Boston at midday. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the evening.
Related info for your journey
Find useful and relevant information for your journey from Northern Ireland to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Boston?
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Alternative routes for Northern Ireland to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Northern Ireland to Boston
Discover the top airline that operate flights from Northern Ireland to Boston. 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 858,174 searches. Data last updated 28 October 2025.
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 Boston?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Northern Ireland to Boston. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Boston?
Cheapflights helps you find that perfect flight to Boston from Northern Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Northern Ireland to Boston with no change fees?
Certainly. Search results for flights to Boston 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 Boston become cheaper?
Of course! You can now track prices for flights from Northern Ireland to Boston 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.