$342+ Cheap flights from Boston (BOS) 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BFS
Oct 27 — Nov 31
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Northern Ireland with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Northern Ireland
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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 September 27, 2026.
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 September 27, 2026.
This Mytrip deal was found by Cheapflights users on 9/22. 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.
Sun 11/157:50 pm -
3 stops18h 10m
Mon 11/303:20 pm -
3 stops28h 25m
Deal found 9/22![Multiple Airlines logo]()
$772
This Mytrip deal was found by Cheapflights users on 9/24. 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.
Sun 11/1510:11 pm -
1 stop15h 49m
Tue 12/12:20 pm -
2 stops32h 30m
Deal found 9/24![Multiple Airlines logo]()
$785
This lastminute.com deal was found by Cheapflights users on 9/22. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:55 pm -
1 stop14h 50m
Mon 11/305:20 pm -
1 stop26h 00m
Deal found 9/22![Virgin Atlantic logo]()
$827
This KLM deal was found by Cheapflights users on 9/23. 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.
Wed 11/258:55 pm -
1 stop14h 50m
Mon 11/305:20 pm -
1 stop26h 00m
Deal found 9/23![KLM logo]()
$832
This Mytrip deal was found by Cheapflights users on 9/26. 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.
Mon 10/2610:20 pm -
2 stops18h 45m
Mon 11/28:00 am -
2 stops16h 05m
Deal found 9/26![Multiple Airlines logo]()
$895
This Justfly.com deal was found by Cheapflights users on 9/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:37 pm -
2 stops14h 33m
Tue 11/175:15 pm -
1 stop25h 58m
Deal found 9/24![KLM logo]()
$897
This Mytrip deal was found by Cheapflights users on 9/25. 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.
Sat 11/147:50 pm -
2 stops17h 00m
Sat 11/217:25 am -
2 stops20h 12m
Deal found 9/25![Multiple Airlines logo]()
$904
This British Airways deal was found by Cheapflights users on 9/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:45 pm -
1 stop11h 05m
Mon 11/305:35 pm -
1 stop25h 45m
Deal found 9/23![British Airways logo]()
$918
Best flights from Boston to Northern IrelandDiscover carefully curated flight deals from Boston to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 27, 2026.
Discover carefully curated flight deals from Boston to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 27, 2026.
This British Airways deal was found by Cheapflights users on 9/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:45 pm -
1 stop11h 05m
Tue 12/13:05 pm -
1 stop11h 45m
Deal found 9/26![British Airways logo]()
$983
This KLM deal was found by Cheapflights users on 9/26. 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.
Wed 11/251:00 pm -
2 stops15h 10m
Mon 11/305:15 pm -
1 stop26h 05m
Deal found 9/26![KLM logo]()
$1,148
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/209:20 pm -
2 stops15h 20m
Mon 12/286:20 pm -
2 stops24h 35m
Deal found 9/22![Aer Lingus logo]()
$1,276
This Virgin Atlantic deal was found by Cheapflights users on 9/25. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/218:55 pm -
1 stop14h 55m
Fri 1/19:40 am -
1 stop14h 21m
Deal found 9/25![Virgin Atlantic logo]()
$1,586
This British Airways deal was found by Cheapflights users on 9/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:10 am -
1 stop22h 20m
Wed 10/214:05 pm -
1 stop11h 30m
Deal found 9/26![British Airways logo]()
$1,423
This British Airways deal was found by Cheapflights users on 9/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:50 pm -
1 stop12h 15m
Wed 10/2111:35 am -
1 stop13h 30m
Deal found 9/25![British Airways logo]()
$1,474
Last-minute flights from Boston to Northern IrelandDiscover last-minute flight deals from Boston to Northern Ireland. Data last updated September 27, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Northern Ireland. Data last updated September 27, 2026 and is based on user searches.
This British Airways deal was found by Cheapflights users on 9/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:10 am -
1 stop22h 20m
Wed 10/214:05 pm -
1 stop11h 30m
Deal found 9/26![British Airways logo]()
$1,423
This FlightHub deal was found by Cheapflights users on 9/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:29 pm -
2 stops18h 31m
Sun 10/258:30 pm -
1 stop30h 20m
Deal found 9/23![British Airways logo]()
$963
This Mytrip deal was found by Cheapflights users on 9/23. 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.
Wed 10/2110:50 am -
3 stops29h 15m
Sun 10/256:50 am -
3 stops35h 55m
Deal found 9/23![Multiple Airlines logo]()
$1,022
This Cheapflightsfares deal was found by Cheapflights users on 9/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:25 am -
1 stop20h 25m
Sun 10/256:20 pm -
2 stops24h 35m
Deal found 9/24![Aer Lingus logo]()
$1,385
This Mytrip deal was found by Cheapflights users on 9/26. 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.
Mon 10/2610:20 pm -
2 stops18h 45m
Mon 11/28:00 am -
2 stops16h 05m
Deal found 9/26![Multiple Airlines logo]()
$895
This FlightHub deal was found by Cheapflights users on 9/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:35 pm -
1 stop9h 30m
Mon 11/27:40 pm -
1 stop23h 40m
Deal found 9/26![British Airways logo]()
$962
One-way flights from Boston to Northern IrelandSearch for one-way flight options from Boston to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated September 27, 2026.
Search for one-way flight options from Boston to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated September 27, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/269:30 pm -
1 stop14h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![British Airways logo]()
$342
This Trip.com deal was found by Cheapflights users on 9/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/277:30 am -
1 stop22h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![British Airways logo]()
$413
This Cheapflightsfares deal was found by Cheapflights users on 9/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:20 pm -
2 stops15h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Aer Lingus logo]()
$465
This FlightHub deal was found by Cheapflights users on 9/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:45 pm -
1 stop11h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![British Airways logo]()
$513
This SmartFares deal was found by Cheapflights users on 9/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/275:15 pm -
2 stops19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Aer Lingus logo]()
$523
This Cathay Pacific deal was found by Cheapflights users on 9/25. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:20 am -
3 stops43h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$8,874
This Cathay Pacific deal was found by Cheapflights users on 9/25. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/268:30 pm -
3 stops42h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$8,875
Find 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 September 27, 2026.
Round-trip from | $711 |
|---|---|
One-way from | $342 (Cheapflightsfares) |
Popular in | November |
Cheapest in | March |
Average price | $683 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston 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 7,457,451 searches. Data last updated September 27, 2026.
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
Cheapest round-trip
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Tue 1/26
9:30 pm-4:45 pm
1 stop14h 15m
Belfast City
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$342
Quickest round-trip
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Sat 11/14
6:45 pm-11:10 am
1 stop11h 25m
Belfast City
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$513
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Sat 2/27
5:15 pm-5:40 pm
2 stops19h 25m
Belfast City
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$523
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Tue 11/24
6:45 pm-10:50 am
1 stop11h 05m
Belfast City
Tue 12/1
3:05 pm-9:50 pm
1 stop11h 45m
$983
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Wed 11/25
1:00 pm-9:10 am
2 stops15h 10m
Belfast City
Mon 11/30
5:15 pm-2:20 pm
1 stop26h 05m
$1,148
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Sun 12/20
9:20 pm-5:40 pm
2 stops15h 20m
Belfast City
Mon 12/28
6:20 pm-1:55 pm
2 stops24h 35m
$1,276
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Sun 10/18
7:10 am-10:30 am
1 stop22h 20m
Belfast City
Wed 10/21
4:05 pm-10:35 pm
1 stop11h 30m
$1,423
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Sat 10/17
9:50 pm-3:05 pm
1 stop12h 15m
Belfast City
Wed 10/21
11:35 am-8:05 pm
1 stop13h 30m
$1,474
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Mon 12/21
8:55 pm-4:50 pm
1 stop14h 55m
Belfast City
Fri 1/1
9:40 am-7:01 pm
1 stop14h 21m
$1,586
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Sat 11/14
10:20 am-10:45 am
3 stops43h 25m
Belfast City
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$8,874
Showing 1-10 of 11 resultsSorted by cheapest first
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.
BOS-BHD
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.
Cheapflights Insights
Everything you need to know about your flight from Boston to Northern Ireland
BOS-GBNIR
BOS-BHD
How much does it cost to fly round-trip from Boston to Northern Ireland?
Airfare is typical for this route at the moment.
Boston to Northern Ireland flights typically cost between $638 and $1,022 in November.The cheapest round-trip price found within the last 5 days was $735 on Multiple Airlines (Nov 15-Nov 30).
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 September 27, 2026.
Peruse reviews from past customers who have flown with British Airways from Boston to Northern Ireland to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
6.8
Boarding
7.0
Overall
6.7
Entertainment
6.5
Food
6.4
Crew
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Comfort
6.8
Boarding
7.0
Overall
6.7
Entertainment
6.5
Food
6.4
Crew
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
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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Complete your trip
Complete your trip to Northern Ireland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Northern Ireland by cabin class
Find flights from Boston to Northern Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Northern Ireland flights
Browse other Boston and Northern Ireland flight options. Last updated on September 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Boston to Northern Ireland
Discover the top airline that operate flights from Boston 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 7,457,451 searches. Data last updated September 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$596 | Average$751 | FlexibilityNo cancel fee | On-time70% |