$361+ Cheap flights from Boston (BOS) to Northern Ireland
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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BFS
Sep 4 — Sep 111
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 August 5, 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 August 5, 2026.
This Mytrip deal was found by Cheapflights users on 8/3. 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 9/1411:00 pm -
2 stops18h 00m
Tue 9/295:10 pm -
3 stops32h 10m
Deal found 8/3![Multiple Airlines logo]()
$743
This Mytrip deal was found by Cheapflights users on 8/2. 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 9/148:50 pm -
2 stops18h 35m
Mon 9/289:15 am -
3 stops40h 05m
Deal found 8/2![Multiple Airlines logo]()
$763
This Mytrip deal was found by Cheapflights users on 8/1. 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 9/98:50 pm -
2 stops18h 25m
Fri 9/189:30 pm -
3 stops46h 10m
Deal found 8/1![Multiple Airlines logo]()
$766
This Mytrip deal was found by Cheapflights users on 8/3. 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 9/1411:00 pm -
2 stops16h 30m
Tue 9/292:20 pm -
2 stops33h 30m
Deal found 8/3![Multiple Airlines logo]()
$769
This Mytrip deal was found by Cheapflights users on 8/1. 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 11/187:50 pm -
3 stops19h 55m
Sun 11/227:50 am -
3 stops41h 05m
Deal found 8/1![Multiple Airlines logo]()
$785
This Mytrip deal was found by Cheapflights users on 8/4. 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 8/198:50 pm -
3 stops21h 25m
Wed 8/2610:45 pm -
2 stops28h 53m
Deal found 8/4![Multiple Airlines logo]()
$843
This Mytrip deal was found by Cheapflights users on 8/1. 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 9/98:50 pm -
2 stops18h 40m
Fri 9/187:00 am -
3 stops38h 00m
Deal found 8/1![Multiple Airlines logo]()
$883
This Mytrip deal was found by Cheapflights users on 8/4. 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.
Thu 9/312:30 pm -
2 stops24h 20m
Thu 9/108:40 pm -
2 stops24h 10m
Deal found 8/4![Multiple Airlines logo]()
$888
This Orbitz deal was found by Cheapflights users on 8/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:30 pm -
1 stop11h 45m
Tue 12/111:25 am -
1 stop13h 15m
Deal found 8/4![British Airways logo]()
$913
This Priceline deal was found by Cheapflights users on 8/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:35 pm -
1 stop10h 40m
Sun 11/2912:10 pm -
2 stops16h 37m
Deal found 8/1![British Airways logo]()
$921
This Priceline deal was found by Cheapflights users on 8/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:30 pm -
1 stop11h 45m
Sun 11/298:25 pm -
1 stop30h 25m
Deal found 8/1![Multiple Airlines logo]()
$944
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 August 5, 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 August 5, 2026.
This Mytrip deal was found by Cheapflights users on 8/4. 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 9/148:50 pm -
2 stops18h 35m
Tue 9/295:10 pm -
3 stops33h 35m
Deal found 8/4![Multiple Airlines logo]()
$762
This British Airways deal was found by Cheapflights users on 7/30. 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.
Wed 11/259:30 pm -
1 stop11h 45m
Mon 11/307:25 pm -
1 stop29h 15m
Deal found 7/30![British Airways logo]()
$965
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:45 am -
2 stops21h 25m
Mon 11/309:40 am -
2 stops18h 15m
Deal found 8/4![Delta logo]()
$1,060
This Mytrip deal was found by Cheapflights users on 8/2. 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 9/148:50 pm -
2 stops18h 35m
Mon 9/289:15 am -
3 stops40h 05m
Deal found 8/2![Multiple Airlines logo]()
$763
This Mytrip deal was found by Cheapflights users on 8/1. 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 9/98:50 pm -
3 stops21h 25m
Fri 9/189:30 pm -
3 stops46h 10m
Deal found 8/1![Multiple Airlines logo]()
$799
This British Airways deal was found by Cheapflights users on 7/30. 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 12/69:30 pm -
1 stop11h 25m
Thu 12/1011:05 am -
1 stop13h 35m
Deal found 7/30![British Airways logo]()
$967
This Mytrip deal was found by Cheapflights users on 8/1. 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 11/187:50 pm -
2 stops17h 15m
Sun 11/227:50 am -
3 stops41h 05m
Deal found 8/1![Multiple Airlines logo]()
$809
This British Airways deal was found by Cheapflights users on 7/30. 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.
Fri 12/46:45 pm -
1 stop10h 45m
Mon 12/77:25 pm -
1 stop31h 25m
Deal found 7/30![British Airways logo]()
$1,017
This Mytrip deal was found by Cheapflights users on 8/4. 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 8/198:50 pm -
3 stops21h 25m
Wed 8/2610:45 pm -
2 stops28h 53m
Deal found 8/4![Multiple Airlines logo]()
$843
This British Airways deal was found by Cheapflights users on 8/1. 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 11/19:30 pm -
1 stop11h 25m
Thu 11/511:05 am -
1 stop13h 35m
Deal found 8/1![British Airways logo]()
$1,090
This Mytrip deal was found by Cheapflights users on 8/4. 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.
Thu 9/310:40 am -
2 stops23h 25m
Thu 9/109:40 pm -
3 stops38h 10m
Deal found 8/4![Multiple Airlines logo]()
$910
Last-minute flights from Boston to Northern IrelandDiscover last-minute flight deals from Boston to Northern Ireland. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Northern Ireland. Data last updated August 5, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 8/4. 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 8/198:50 pm -
3 stops21h 25m
Wed 8/2610:45 pm -
2 stops28h 53m
Deal found 8/4![Multiple Airlines logo]()
$843
This Mytrip deal was found by Cheapflights users on 8/4. 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.
Thu 9/312:30 pm -
2 stops24h 20m
Thu 9/108:40 pm -
2 stops24h 10m
Deal found 8/4![Multiple Airlines logo]()
$888
This Mytrip deal was found by Cheapflights users on 8/1. 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 9/98:50 pm -
2 stops18h 25m
Fri 9/189:30 pm -
3 stops46h 10m
Deal found 8/1![Multiple Airlines logo]()
$766
This Mytrip deal was found by Cheapflights users on 8/1. 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 9/98:50 pm -
2 stops18h 40m
Fri 9/187:00 am -
3 stops38h 00m
Deal found 8/1![Multiple Airlines logo]()
$883
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 9/97:25 am -
1 stop20h 25m
Fri 9/186:30 am -
1 stop15h 35m
Deal found 8/1![British Airways logo]()
$980
This Mytrip deal was found by Cheapflights users on 8/3. 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 9/1411:00 pm -
2 stops18h 00m
Tue 9/295:10 pm -
3 stops32h 10m
Deal found 8/3![Multiple Airlines logo]()
$743
This Mytrip deal was found by Cheapflights users on 8/2. 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 9/148:50 pm -
2 stops18h 35m
Mon 9/289:15 am -
3 stops40h 05m
Deal found 8/2![Multiple Airlines logo]()
$763
This Mytrip deal was found by Cheapflights users on 8/3. 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 9/1411:00 pm -
2 stops16h 30m
Tue 9/292:20 pm -
2 stops33h 30m
Deal found 8/3![Multiple Airlines logo]()
$769
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 August 5, 2026.
Search for one-way flight options from Boston to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This Mytrip deal was found by Cheapflights users on 8/2. 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.
Tue 9/111:00 pm -
2 stops13h 50m
Deal found 8/2![Multiple Airlines logo]()
$361
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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
Deal found 8/3![British Airways logo]()
$363
This Cheapflightsfares deal was found by Cheapflights users on 8/2. 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 9/17:40 pm -
1 stop10h 05m
Deal found 8/2![British Airways logo]()
$477
This Cathay Pacific deal was found by Cheapflights users on 8/4. 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 1/2610:29 am -
3 stops42h 46m
Deal found 8/4![Multiple Airlines logo]()
$8,660
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 August 5, 2026.
Round-trip from | $743 (Mytrip) |
|---|---|
One-way from | $361 (Mytrip) |
Popular in | November |
Cheapest in | March |
Average price | $1,244 |
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 2,558,603 searches. Data last updated August 5, 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 - BFS
BOSBFS
Boston Logan Intl
Mon 9/14
8:50 pm-8:25 pm
2 stops18h 35m
Belfast Intl
Tue 9/29
5:10 pm-9:45 pm
3 stops33h 35m
$762
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Mon 9/14
8:50 pm-8:25 pm
2 stops18h 35m
Belfast Intl
Mon 9/28
9:15 am-8:20 pm
3 stops40h 05m
$763
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Wed 9/9
8:50 pm-11:15 pm
3 stops21h 25m
Belfast Intl
Fri 9/18
9:30 pm-2:40 pm
3 stops46h 10m
$799
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Wed 11/18
7:50 pm-6:05 pm
2 stops17h 15m
Belfast Intl
Sun 11/22
7:50 am-7:55 pm
3 stops41h 05m
$809
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Wed 8/19
8:50 pm-11:15 pm
3 stops21h 25m
Belfast Intl
Wed 8/26
10:45 pm-10:38 pm
2 stops28h 53m
$843
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Thu 9/3
10:40 am-3:05 pm
2 stops23h 25m
Belfast Intl
Thu 9/10
9:40 pm-6:50 am
3 stops38h 10m
$910
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Wed 11/25
9:30 pm-2:15 pm
1 stop11h 45m
Belfast City
Mon 11/30
7:25 pm-7:40 pm
1 stop29h 15m
$965
Quickest round-trip
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Sun 12/6
9:30 pm-1:55 pm
1 stop11h 25m
Belfast City
Thu 12/10
11:05 am-7:40 pm
1 stop13h 35m
$967
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Fri 12/4
6:45 pm-10:30 am
1 stop10h 45m
Belfast City
Mon 12/7
7:25 pm-9:50 pm
1 stop31h 25m
$1,017
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Tue 11/24
6:45 am-9:10 am
2 stops21h 25m
Belfast City
Mon 11/30
9:40 am-10:55 pm
2 stops18h 15m
$1,060
Showing 1-10 of 15 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-BFS
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-BFS
BOS-BHD
No data available for this route at this time. Please check back soon.
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 August 5, 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.
Entertainment
6.5
Crew
7.7
Boarding
7.0
Comfort
6.8
Food
6.4
Overall
6.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Entertainment
6.5
Crew
7.7
Boarding
7.0
Comfort
6.8
Food
6.4
Overall
6.7
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 August 5, 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 2,558,603 searches. Data last updated August 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$683 | FlexibilityNo cancel fee | On-time70% |