$361+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BFS
Dec 5 — Dec 121
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 November 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 November 5, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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.
Wed 12/26:35 pm -
1 stop10h 30m
Wed 12/96:35 am -
1 stop12h 45m
Deal found 11/2![British Airways logo]()
$948
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Thu 12/37:30 am -
1 stop19h 10m
Thu 12/102:10 pm -
1 stop12h 40m
Deal found 11/3![British Airways logo]()
$996
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Sun 11/87:50 pm -
2 stops19h 40m
Thu 11/122:20 pm -
3 stops29h 20m
Deal found 11/3![Multiple Airlines logo]()
$1,010
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Thu 12/37:50 pm -
3 stops19h 25m
Thu 12/106:30 pm -
3 stops28h 20m
Deal found 11/3![Multiple Airlines logo]()
$1,048
This Booking.com deal was found by Cheapflights users on 11/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:45 pm -
1 stop11h 25m
Sat 12/126:35 am -
1 stop12h 45m
Deal found 11/3![British Airways logo]()
$1,059
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 November 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 November 5, 2026.
This FlightHub deal was found by Cheapflights users on 10/31. 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 4/149:15 am -
2 stops21h 45m
Fri 4/236:30 am -
1 stop11h 45m
Deal found 10/31![British Airways logo]()
$957
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Sun 12/205:15 pm -
2 stops14h 55m
Mon 12/286:20 pm -
2 stops29h 45m
Deal found 11/3![Aer Lingus logo]()
$1,300
This Delta deal was found by Cheapflights users on 10/31. 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.
Sun 12/205:00 pm -
2 stops18h 45m
Mon 12/289:40 am -
1 stop14h 21m
Deal found 10/31![Delta logo]()
$1,517
This British Airways deal was found by Cheapflights users on 11/1. 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.
Tue 4/207:35 pm -
1 stop10h 10m
Sun 4/256:30 am -
2 stops17h 18m
Deal found 11/1![British Airways logo]()
$1,045
This British Airways deal was found by Cheapflights users on 11/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:45 pm -
1 stop11h 00m
Thu 12/1011:05 am -
1 stop15h 45m
Deal found 11/2![British Airways logo]()
$1,194
This Justfly.com deal was found by Cheapflights users on 11/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:45 pm -
1 stop11h 05m
Sat 1/166:35 am -
1 stop12h 45m
Deal found 11/4![British Airways logo]()
$1,195
Last-minute flights from Boston to Northern IrelandDiscover last-minute flight deals from Boston to Northern Ireland. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Northern Ireland. Data last updated November 5, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Sun 11/87:50 pm -
2 stops19h 40m
Thu 11/122:20 pm -
3 stops29h 20m
Deal found 11/3![Multiple Airlines logo]()
$1,010
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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.
Wed 12/26:35 pm -
1 stop10h 30m
Wed 12/96:35 am -
1 stop12h 45m
Deal found 11/2![British Airways logo]()
$948
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Thu 12/37:30 am -
1 stop19h 10m
Thu 12/102:10 pm -
1 stop12h 40m
Deal found 11/3![British Airways logo]()
$996
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Thu 12/37:50 pm -
3 stops19h 25m
Thu 12/106:30 pm -
3 stops28h 20m
Deal found 11/3![Multiple Airlines logo]()
$1,048
This Booking.com deal was found by Cheapflights users on 11/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:45 pm -
1 stop11h 25m
Sat 12/126:35 am -
1 stop12h 45m
Deal found 11/3![British Airways logo]()
$1,059
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 November 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 November 5, 2026.
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Thu 12/317:50 pm -
2 stops19h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$361
This Justfly.com deal was found by Cheapflights users on 11/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/265:15 pm -
2 stops19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Aer Lingus logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/237:50 pm -
2 stops14h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$550
This KLM deal was found by Cheapflights users on 11/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/267:20 pm -
1 stop16h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![KLM logo]()
$567
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/317:25 pm -
1 stop16h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$617
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 12/229:20 pm -
2 stops15h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Aer Lingus logo]()
$670
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/229:35 pm -
3 stops39h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$822
This American Airlines deal was found by Cheapflights users on 11/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:10 pm -
1 stop10h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![American Airlines logo]()
$1,235
This FlightHub deal was found by Cheapflights users on 11/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/317:25 am -
2 stops24h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![British Airways logo]()
$6,000
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 November 5, 2026.
Round-trip from | $946 (Cheapflightsfares) |
|---|---|
One-way from | $361 (Mytrip) |
Popular in | June |
Cheapest in | September |
Average price | $1,220 |
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 November 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 Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Tue 1/26
5:15 pm-5:40 pm
2 stops19h 25m
Belfast City
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$478
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Tue 1/26
7:20 pm-4:50 pm
1 stop16h 30m
Belfast City
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$567
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Tue 1/26
7:20 pm-4:50 pm
1 stop16h 30m
Belfast City
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$567
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Thu 12/31
7:25 pm-4:35 pm
1 stop16h 10m
Belfast City
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$617
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Tue 12/22
9:35 pm-5:40 pm
3 stops39h 05m
Belfast City
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$822
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Wed 4/14
9:15 am-12:00 pm
2 stops21h 45m
Belfast City
Fri 4/23
6:30 am-1:15 pm
1 stop11h 45m
$957
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Tue 4/20
7:35 pm-10:45 am
1 stop10h 10m
Belfast City
Sun 4/25
6:30 am-6:48 pm
2 stops17h 18m
$1,045
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Sun 12/6
6:45 pm-10:45 am
1 stop11h 00m
Belfast City
Thu 12/10
11:05 am-9:50 pm
1 stop15h 45m
$1,194
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Tue 1/12
6:45 pm-10:50 am
1 stop11h 05m
Belfast City
Sat 1/16
6:35 am-2:20 pm
1 stop12h 45m
$1,195
BostonBelfast
BOS Boston Logan Intl - BHD Belfast City
BOSBHD
Boston Logan Intl
Sun 12/20
5:15 pm-1:10 pm
2 stops14h 55m
Belfast City
Mon 12/28
6:20 pm-7:05 pm
2 stops29h 45m
$1,300
Showing 1-10 of 13 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
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 November 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.
Boarding
7.0
Comfort
6.8
Overall
6.7
Entertainment
6.5
Crew
7.7
Food
6.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Boarding
7.0
Comfort
6.8
Overall
6.7
Entertainment
6.5
Crew
7.7
Food
6.4
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
See prices for flight routes from nearby airports that may be better suited for you.
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 November 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 7,457,451 searches. Data last updated November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$596 | Average$1,047 | FlexibilityNo cancel fee | On-time70% |