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Northern Ireland

$319+ 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
Jun 8 — Jun 151
Mon 6/8
Mon 6/15
1 adult, Economy
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Cheap flight deals from Boston to Northern Ireland

Cheapest flights from Boston to Northern Ireland
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 May 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Thu 7/1611:35 pm
BOS
-
BFS
2 stops18h 55m
Multiple Airlines
Wed 7/295:45 pm
BFS
-
BOS
1 stop33h 00m
Multiple Airlines
Deal found 5/7$888
This Cheapflightsfares deal was found by Cheapflights users on 5/8. 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 8/167:30 pm
BOS
-
BHD
1 stop10h 00m
British Airways
Sun 8/303:50 pm
BHD
-
BOS
1 stop11h 45m
British Airways
Deal found 5/8$897
This British Airways deal was found by Cheapflights users on 5/7. 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.
Mon 10/197:25 am
BOS
-
BHD
1 stop20h 25m
British Airways
Thu 10/2212:45 pm
BHD
-
BOS
1 stop12h 20m
British Airways
Deal found 5/7$911
This flugladen.de deal was found by Cheapflights users on 5/4. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:25 pm
BOS
-
BHD
1 stop31h 55m
Virgin Atlantic
Thu 5/215:30 pm
BHD
-
BOS
1 stop30h 00m
Virgin Atlantic
Deal found 5/4$917
This Delta deal was found by Cheapflights users on 5/8. 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.
Sat 5/96:50 pm
BOS
-
BHD
1 stop17h 05m
Delta
Fri 5/229:50 am
BHD
-
BOS
1 stop11h 35m
Delta
Deal found 5/8$937
This KLM deal was found by Cheapflights users on 5/8. 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.
Sat 5/91:10 pm
BOS
-
BHD
2 stops15h 10m
KLM
Fri 5/229:50 am
BHD
-
BOS
1 stop11h 35m
KLM
Deal found 5/8$938
This Mytrip deal was found by Cheapflights users on 5/8. 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 8/168:50 pm
BOS
-
BFS
3 stops21h 00m
Multiple Airlines
Sun 8/3010:00 pm
BFS
-
BOS
3 stops28h 45m
Multiple Airlines
Deal found 5/8$938
This Delta deal was found by Cheapflights users on 5/4. 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.
Fri 5/82:00 pm
BOS
-
BHD
2 stops21h 55m
Delta
Thu 5/215:30 pm
BHD
-
BOS
1 stop27h 55m
Delta
Deal found 5/4$939
This KLM deal was found by Cheapflights users on 5/8. 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.
Sat 5/91:10 pm
BOS
-
BHD
2 stops15h 10m
KLM
Sat 5/165:30 pm
BHD
-
BOS
1 stop24h 40m
KLM
Deal found 5/8$942
This Delta deal was found by Cheapflights users on 5/8. 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.
Sat 5/912:05 pm
BOS
-
BHD
2 stops16h 15m
Delta
Sat 5/165:30 pm
BHD
-
BOS
2 stops27h 40m
Delta
Deal found 5/8$952
This Mytrip deal was found by Cheapflights users on 5/4. 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 6/15:25 pm
BOS
-
BFS
2 stops22h 15m
Multiple Airlines
Thu 6/46:40 am
BFS
-
BOS
2 stops17h 10m
Multiple Airlines
Deal found 5/4$968
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:15 am
BOS
-
BFS
2 stops22h 30m
Multiple Airlines
Thu 6/410:15 am
BFS
-
BOS
1 stop16h 50m
Multiple Airlines
Deal found 5/4$976

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 May 9, 2026.

Round-trip from

$888
(Kiwi.com)

One-way from

$319
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$828
From Boston Logan Intl to Northern Ireland
Search Deals
One-way flight from Boston Logan Intl to Northern Ireland
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($329 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 9, 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

Price

Cheapest round-trip

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 7/16

11:35 pm-11:30 pm

2 stops18h 55m

Belfast Intl

Wed 7/29

5:45 pm-9:45 pm

1 stop33h 00m

$888

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 10/19

7:25 am-8:50 am

1 stop20h 25m

Belfast City

Thu 10/22

12:45 pm-8:05 pm

1 stop12h 20m

$911

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 8/16

12:56 pm-10:30 am

2 stops16h 34m

Belfast City

Sun 8/30

3:50 pm-10:35 pm

1 stop11h 45m

$921

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 8/16

8:50 pm-9:20 pm

2 stops19h 30m

Belfast Intl

Sun 8/30

10:00 pm-9:45 pm

3 stops28h 45m

$958

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 6/2

11:15 am-2:45 pm

2 stops22h 30m

Belfast Intl

Thu 6/4

10:15 am-10:05 pm

1 stop16h 50m

$976

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 6/1

5:25 pm-8:50 pm

2 stops22h 25m

Belfast City

Thu 6/4

7:00 am-6:50 pm

2 stops16h 50m

$1,004

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 6/1

7:10 am-12:30 pm

2 stops24h 20m

Belfast Intl

Thu 6/4

10:15 am-10:05 pm

1 stop16h 50m

$1,020

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 6/2

5:50 am-5:50 pm

3 stops31h 00m

Belfast City

Thu 6/4

7:00 am-5:35 pm

2 stops15h 35m

$1,053

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 6/19

10:50 am-4:30 pm

2 stops24h 40m

Belfast Intl

Fri 6/26

10:15 pm-10:38 pm

2 stops29h 23m

$1,054

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 6/19

10:40 am-4:30 pm

3 stops24h 50m

Belfast Intl

Thu 6/25

9:05 pm-2:41 pm

2 stops22h 36m

$1,068

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

Showing 1-10 of 28 resultsSorted by cheapest first
1
2
3

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.
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

How much does it cost to fly round-trip from Boston to Northern Ireland?

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 May 9, 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.
British Airways
6.7
Okay
7,954 reviews

Crew

7.7

Overall

6.7

Food

6.4

Boarding

6.9

Entertainment

6.4

Comfort

6.8

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance
British Airways
6.7
Okay
7,954 reviews
British Airways
6.7
Okay
7,954 reviews

Crew

7.7

Overall

6.7

Food

6.4

Boarding

6.9

Entertainment

6.4

Comfort

6.8

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance

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.

  • What airport do you fly from for flights from Boston to Northern Ireland?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Northern Ireland.

  • How long is the flight from Boston to Northern Ireland?

    Departing from Boston to Northern Ireland will take you 20h 25m. There are 2981 mi between Boston and Northern Ireland.

  • What are the most popular routes from Boston to Northern Ireland?

    When deciding which route to take from Boston to Northern Ireland consider Boston Logan Intl - Belfast Intl, Boston Logan Intl - Belfast City or Boston Logan Intl - Campbeltown Machrihanish as they are the most popular.

  • Can I find deals for flights from Boston to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Boston to Northern Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Northern Ireland.

  • Can I find deals for business class flights from Boston to Northern Ireland?

    Yes. Cheapflights offers flight deals from Boston to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$534Average$627FlexibilityNo cancel feeOn-time70%

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