$261+ Cheap flights from Boston (BOS) to 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
Oct 28 — Nov 41
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boston to Ireland with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Ireland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to IrelandExplore the most affordable flight options available from Boston to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
Explore the most affordable flight options available from Boston to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:20 pm -
Nonstop6h 00m
Sat 11/1411:45 am -
Nonstop7h 10m
Deal found 9/23![Iberia logo]()
$441
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:50 pm -
1 stop9h 25m
Tue 11/2411:30 am -
1 stop11h 20m
Deal found 9/24![Icelandair logo]()
$443
This Icelandair 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:50 pm -
1 stop9h 25m
Fri 12/411:30 am -
1 stop11h 20m
Deal found 9/24![Icelandair logo]()
$444
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:05 pm -
1 stop9h 50m
Mon 11/29:30 am -
1 stop17h 29m
Deal found 9/23![United Airlines logo]()
$446
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:30 pm -
2 stops13h 50m
Thu 11/129:00 am -
1 stop13h 58m
Deal found 9/23![United Airlines logo]()
$447
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:45 am -
1 stop20h 25m
Sun 12/69:00 am -
2 stops34h 53m
Deal found 9/23![Air Canada logo]()
$449
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:50 pm -
1 stop14h 55m
Mon 11/96:35 pm -
1 stop30h 45m
Deal found 9/24![SWISS logo]()
$450
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:35 pm -
Nonstop6h 10m
Mon 12/79:40 am -
1 stop19h 07m
Deal found 9/23![Delta logo]()
$451
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:40 am -
2 stops16h 35m
Thu 11/129:00 am -
2 stops15h 02m
Deal found 9/23![Air Canada logo]()
$452
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:50 pm -
1 stop32h 30m
Tue 11/1012:10 pm -
1 stop13h 10m
Deal found 9/24![SWISS logo]()
$453
This Ticket deal was found by Cheapflights users on 9/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:40 pm -
Nonstop6h 05m
Thu 1/288:50 am -
1 stop10h 33m
Deal found 9/27![Multiple Airlines logo]()
$454
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:40 pm -
1 stop30h 30m
Wed 11/1112:10 pm -
1 stop13h 10m
Deal found 9/23![Multiple Airlines logo]()
$455
Best flights from Boston to IrelandDiscover carefully curated flight deals from Boston to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Boston to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:35 pm -
Nonstop6h 10m
Mon 12/79:40 am -
1 stop19h 07m
Deal found 9/23![Delta logo]()
$451
This KLM deal was found by Cheapflights users on 9/28. 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 11/41:35 pm -
1 stop14h 10m
Mon 11/911:55 am -
Nonstop7h 14m
Deal found 9/28![KLM logo]()
$485
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:51 am -
2 stops16h 29m
Sat 10/178:50 am -
1 stop15h 17m
Deal found 9/23![United Airlines logo]()
$515
This Mytrip deal was found by Cheapflights users on 9/28. 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 11/125:15 pm -
1 stop18h 55m
Thu 11/1910:25 am -
1 stop13h 40m
Deal found 9/28![Multiple Airlines logo]()
$565
This British Airways deal was found by Cheapflights users on 9/27. 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 11/139:30 pm -
1 stop12h 45m
Thu 11/193:00 pm -
1 stop11h 50m
Deal found 9/27![British Airways logo]()
$581
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:00 am -
1 stop22h 45m
Mon 11/211:55 am -
Nonstop7h 14m
Deal found 9/23![Delta logo]()
$456
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.
Mon 10/269:55 pm -
1 stop14h 45m
Mon 11/25:40 am -
1 stop13h 33m
Deal found 9/26![KLM logo]()
$532
This Delta deal was found by Cheapflights users on 9/27. 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 12/117:25 am -
1 stop19h 30m
Fri 12/1811:55 am -
Nonstop7h 10m
Deal found 9/27![Delta logo]()
$485
This KLM deal was found by Cheapflights users on 9/27. 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 11/117:25 pm -
1 stop16h 15m
Wed 11/185:40 am -
1 stop18h 21m
Deal found 9/27![KLM logo]()
$532
This Delta deal was found by Cheapflights users on 9/28. 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 10/259:10 am -
1 stop19h 35m
Mon 11/29:40 am -
1 stop19h 40m
Deal found 9/28![Delta logo]()
$495
This KLM deal was found by Cheapflights users on 9/28. 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.
Fri 1/298:55 pm -
1 stop21h 30m
Mon 2/156:00 am -
1 stop13h 13m
Deal found 9/28![KLM logo]()
$537
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:36 pm -
1 stop16h 39m
Tue 10/2012:30 pm -
1 stop10h 22m
Deal found 9/27![United Airlines logo]()
$678
This Delta deal was found by Cheapflights users on 9/28. 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 11/59:05 am -
1 stop17h 40m
Sun 11/89:55 am -
2 stops18h 10m
Deal found 9/28![Delta logo]()
$514
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.
Tue 12/16:50 pm -
Nonstop6h 00m
Thu 12/312:00 pm -
Nonstop7h 15m
Deal found 9/23![Multiple Airlines logo]()
$742
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:38 am -
1 stop21h 37m
Tue 10/2012:30 pm -
1 stop26h 14m
Deal found 9/28![United Airlines logo]()
$678
This Delta deal was found by Cheapflights users on 9/27. 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 12/45:05 pm -
1 stop10h 40m
Tue 12/88:50 am -
2 stops20h 08m
Deal found 9/27![Delta logo]()
$514
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:13 pm -
2 stops34h 02m
Wed 10/2112:30 pm -
1 stop26h 14m
Deal found 9/26![United Airlines logo]()
$682
This Delta deal was found by Cheapflights users on 9/27. 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 10/85:50 am -
1 stop21h 05m
Thu 10/153:00 pm -
Nonstop7h 13m
Deal found 9/27![Delta logo]()
$520
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.
Fri 10/165:28 pm -
2 stops17h 22m
Thu 10/227:30 am -
1 stop17h 35m
Deal found 9/23![British Airways logo]()
$839
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:50 pm -
2 stops16h 35m
Sun 11/1510:25 am -
1 stop13h 40m
Deal found 9/24![Multiple Airlines logo]()
$772
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:40 pm -
Nonstop6h 05m
Thu 10/299:40 am -
1 stop16h 39m
Deal found 9/25![Delta logo]()
$521
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.
Tue 11/107:50 pm -
2 stops16h 20m
Tue 11/1710:25 am -
3 stops33h 15m
Deal found 9/26![Multiple Airlines logo]()
$777
This Cheapflightsfares deal was found by Cheapflights users on 9/28. 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 11/89:30 pm -
1 stop10h 00m
Sun 11/151:05 pm -
1 stop13h 45m
Deal found 9/28![British Airways logo]()
$917
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:40 pm -
Nonstop6h 05m
Thu 10/299:40 am -
1 stop18h 40m
Deal found 9/26![Delta logo]()
$521
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:09 pm -
2 stops20h 01m
Sun 11/1510:25 am -
1 stop13h 40m
Deal found 9/25![Multiple Airlines logo]()
$816
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am -
1 stop23h 15m
Tue 10/1312:30 pm -
2 stops27h 02m
Deal found 9/23![United Airlines logo]()
$843
This Delta deal was found by Cheapflights users on 9/27. 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.
Wed 11/48:55 pm -
1 stop14h 45m
Mon 11/95:40 am -
1 stop13h 33m
Deal found 9/27![Delta logo]()
$532
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.
Tue 10/208:05 pm -
1 stop11h 30m
Tue 10/271:05 pm -
1 stop11h 35m
Deal found 9/25![British Airways logo]()
$974
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:36 pm -
1 stop16h 39m
Sun 10/1812:30 pm -
1 stop15h 15m
Deal found 9/28![United Airlines logo]()
$860
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/312:00 pm -
2 stops17h 40m
Wed 2/106:00 am -
1 stop13h 13m
Deal found 9/25![Delta logo]()
$541
Last-minute flights from Boston to IrelandDiscover last-minute flight deals from Boston to Ireland. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Ireland. Data last updated September 28, 2026 and is based on user searches.
This Ticket deal was found by Cheapflights users on 9/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:40 pm -
Nonstop6h 05m
Thu 1/288:50 am -
1 stop10h 33m
Deal found 9/27![Multiple Airlines logo]()
$454
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop21h 15m
Fri 11/612:10 pm -
1 stop13h 10m
Deal found 9/23![Multiple Airlines logo]()
$455
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:36 pm -
2 stops13h 44m
Fri 11/612:05 pm -
2 stops14h 54m
Deal found 9/23![United Airlines logo]()
$460
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:10 pm -
1 stop16h 30m
Mon 11/95:40 am -
1 stop13h 33m
Deal found 9/26![Multiple Airlines logo]()
$521
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 10/209:15 pm -
Nonstop6h 10m
Sat 11/711:45 am -
Nonstop7h 10m
Deal found 9/24![JetBlue logo]()
$461
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:30 pm -
2 stops13h 50m
Thu 11/129:00 am -
1 stop13h 58m
Deal found 9/23![United Airlines logo]()
$447
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:40 pm -
Nonstop6h 05m
Thu 11/129:55 am -
1 stop20h 13m
Deal found 9/23![Delta logo]()
$451
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:40 am -
2 stops16h 35m
Thu 11/129:00 am -
2 stops15h 02m
Deal found 9/23![Air Canada logo]()
$452
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:36 pm -
1 stop14h 54m
Sun 11/19:30 am -
1 stop14h 04m
Deal found 9/23![United Airlines logo]()
$456
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.
Sun 10/2511:45 pm -
Nonstop6h 00m
Mon 11/211:55 am -
Nonstop7h 14m
Deal found 9/23![KLM logo]()
$441
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:05 pm -
1 stop9h 50m
Mon 11/29:30 am -
1 stop17h 29m
Deal found 9/23![United Airlines logo]()
$446
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:30 am -
2 stops20h 40m
Wed 11/412:10 pm -
1 stop13h 10m
Deal found 9/23![Multiple Airlines logo]()
$458
One-way flights from Boston to IrelandSearch for one-way flight options from Boston to Ireland. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Boston to Ireland. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Booking.com deal was found by Cheapflights users on 9/28. 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.
Mon 10/511:00 pm -
1 stop31h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Icelandair logo]()
$261
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:35 pm -
1 stop31h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$269
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:50 pm -
3 stops29h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Mon 10/1911:00 pm -
2 stops20h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$272
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:50 pm -
1 stop11h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Icelandair logo]()
$275
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:15 pm -
1 stop18h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$276
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:30 pm -
1 stop11h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$277
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:50 pm -
1 stop11h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Icelandair logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Fri 11/277:50 pm -
3 stops23h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$279
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:40 pm -
3 stops37h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$280
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:00 pm -
2 stops17h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$281
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:50 pm -
3 stops30h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$283
Find flight deals from Boston to Ireland
Keep the following information in mind while searching for Boston to Ireland flight deals. Data was last updated September 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $441 (FlightHub) |
One-way from | $261 (Booking.com) |
Popular in | June |
Cheapest in | January |
Average price | $636 |
Good round-trip deal | $641 or less |
Good one-way deal | $355 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to 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 28, 2026.
Use the filters below to find and compare flights from Boston to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonMilltown (Kerry)
BOS Boston Logan Intl - KIR Milltown (Kerry)
BOSKIR
Boston Logan Intl
Sun 10/25
11:40 pm-5:25 pm
3 stops37h 45m
Milltown (Kerry)
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$280
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Fri 12/25
9:30 pm-2:15 pm
1 stop11h 45m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$287
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Sun 12/27
7:40 pm-7:30 am
1 stop30h 50m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$305
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Sat 12/26
6:00 am-9:55 am
1 stop22h 55m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$305
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Wed 10/28
7:35 pm-9:55 am
1 stop10h 20m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$311
BostonCork
BOS Boston Logan Intl - ORK Cork
BOSORK
Boston Logan Intl
Tue 10/27
8:50 pm-7:25 am
3 stops30h 35m
Cork
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$317
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Wed 10/21
11:40 pm-10:45 am
Nonstop6h 05m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$319
Quickest round-trip
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Sun 10/25
11:45 pm-9:45 am
Nonstop6h 00m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$319
BostonShannon
BOS Boston Logan Intl - SNN Shannon
BOSSNN
Boston Logan Intl
Fri 3/19
7:50 pm-5:50 am
Nonstop6h 00m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$321
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Wed 10/21
7:01 am-7:30 am
2 stops19h 29m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$323
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Boston to Ireland
Have a flexible travel schedule? Discover the best time to fly to Ireland from Boston with our price prediction graph.
BOS-DUB
BOS-KIR
BOS-ORK
BOS-SNN
BOS-NOC
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 Ireland
BOS-IE0
BOS-DUB
BOS-KIR
BOS-ORK
BOS-SNN
What is the cheapest month to book a flight from Boston to Ireland?
Currently, January is the cheapest month in which you can book a flight from Boston to Ireland (average of $443). Flying from Boston to Ireland in June is currently the most expensive (average of $780). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOS to IE?
Find hourly flight availability from Boston to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 28, 2026.
When flying from Boston to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Boston to Ireland
Explore weekly flight availability from Boston to Ireland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 28, 2026.
The most flights from BOS to IE0 are scheduled on a Monday (15 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (12 on average).
How often are flights from Boston to Ireland delayed?
About 8% of weekly flights between Boston and Ireland have experienced delays in the past year, with the average delay time being 151 minutes.
What is the most punctual flight time for Boston to Ireland flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Boston to Ireland flights?
Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 5% of flights being delayed.
How far ahead should I book a flight from Boston to Ireland?
To ensure you get the cheapest price possible for a flight from Boston to Ireland, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Ireland
Get insights into the airlines that provide service to 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 Ireland. Reviews last updated September 28, 2026.
See what other customers who have flown with KLM,Delta, andAir France from Boston to Ireland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.3
Crew
8.4
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Food
7.3
Crew
8.4
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Food
7.3
Crew
8.4
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Food
7.3
Crew
8.4
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Food
7.3
Crew
8.4
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Food
7.3
Crew
8.4
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Related info for your journey
Find useful and relevant information for your journey from Boston to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
Alternative routes for Boston to Ireland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ireland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Ireland by cabin class
Find flights from Boston to Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Ireland flights
Browse other Boston and Ireland flight options. Last updated on September 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boston to Ireland flights
Consider these flights traveling from Boston to Ireland.
Fly to Ireland regions
Consider these flights traveling to Ireland regions.
Top 10 airlines flying from Boston to Ireland
Discover the top 10 airlines that operate flights from Boston to 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$305 | Average$525 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$312 | Average$493 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$335 | Average$631 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$347 | Average$731 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$349 | Average$620 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$350 | Average$675 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$350 | Average$670 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$351 | Average$784 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$358 | Average$465 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$362 | Average$926 | FlexibilityNo cancel fee | On-time62% |