$361+ Cheap flights from Ireland to Boston (BOS)
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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BOS
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 Ireland to Boston 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 Ireland to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ireland to BostonExplore the most affordable flight options available from Ireland to Boston. 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 Ireland to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/182:00 pm -
Nonstop7h 15m
Sun 1/106:50 pm -
Nonstop6h 00m
Deal found 9/27![Aer Lingus logo]()
$439
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:00 pm -
Nonstop7h 15m
Tue 12/86:50 pm -
Nonstop6h 00m
Deal found 9/27![Aer Lingus logo]()
$441
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:00 pm -
Nonstop7h 15m
Mon 11/306:50 pm -
Nonstop6h 00m
Deal found 9/26![Aer Lingus logo]()
$442
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:00 pm -
Nonstop7h 15m
Mon 11/166:50 pm -
Nonstop6h 00m
Deal found 9/25![Aer Lingus logo]()
$443
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:00 pm -
Nonstop7h 15m
Sun 11/156:50 pm -
Nonstop6h 00m
Deal found 9/24![Aer Lingus logo]()
$446
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.
Sun 11/82:00 pm -
Nonstop7h 15m
Mon 11/166:50 pm -
Nonstop6h 00m
Deal found 9/26![Aer Lingus logo]()
$447
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:00 pm -
Nonstop7h 15m
Wed 11/186:50 pm -
Nonstop6h 00m
Deal found 9/27![Aer Lingus logo]()
$449
This Mytrip deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:00 pm -
Nonstop7h 15m
Sun 11/86:50 pm -
Nonstop6h 00m
Deal found 9/24![Aer Lingus logo]()
$450
This Mytrip deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:00 pm -
Nonstop7h 15m
Wed 11/116:50 pm -
Nonstop6h 00m
Deal found 9/23![Aer Lingus logo]()
$451
This FlightHub deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:00 pm -
Nonstop7h 15m
Thu 11/126:50 pm -
Nonstop6h 00m
Deal found 9/26![Multiple Airlines logo]()
$458
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:30 am -
1 stop11h 20m
Wed 12/97:50 pm -
1 stop9h 25m
Deal found 9/27![Icelandair logo]()
$478
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:30 am -
1 stop11h 26m
Sun 11/158:00 pm -
1 stop16h 50m
Deal found 9/24![Iberia logo]()
$479
Best flights from Ireland to BostonDiscover carefully curated flight deals from Ireland to Boston 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 Ireland to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This British Airways deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:45 am -
1 stop12h 00m
Mon 11/99:30 pm -
1 stop10h 05m
Deal found 9/25![British Airways logo]()
$513
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.
Thu 11/128:50 am -
1 stop10h 23m
Sun 11/1510:45 pm -
Nonstop6h 00m
Deal found 9/23![Delta logo]()
$520
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:25 pm -
2 stops14h 40m
Fri 11/136:20 pm -
1 stop10h 05m
Deal found 9/24![Multiple Airlines logo]()
$522
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 am -
1 stop13h 13m
Sun 11/158:55 pm -
1 stop14h 45m
Deal found 9/24![KLM logo]()
$523
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/159:00 am -
1 stop10h 17m
Mon 12/283:31 pm -
1 stop10h 59m
Deal found 9/22![United Airlines logo]()
$530
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:40 am -
Nonstop7h 11m
Mon 10/198:59 pm -
Nonstop6h 21m
Deal found 9/23![JetBlue logo]()
$535
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.
Tue 11/105:40 am -
1 stop13h 33m
Sun 11/158:55 pm -
1 stop14h 45m
Deal found 9/23![KLM logo]()
$525
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 10/219:20 am -
1 stop11h 45m
Wed 10/281:29 pm -
2 stops16h 26m
Deal found 9/23![United Airlines logo]()
$535
This Aer Lingus 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:00 pm -
Nonstop7h 15m
Fri 11/209:45 am -
1 stop15h 25m
Deal found 9/25![Multiple Airlines logo]()
$541
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:40 am -
1 stop13h 33m
Thu 11/127:25 pm -
1 stop10h 15m
Deal found 9/24![Delta logo]()
$545
This British Airways deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:05 pm -
1 stop24h 40m
Sun 11/159:30 pm -
1 stop14h 15m
Deal found 9/25![British Airways logo]()
$581
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.
Mon 12/2110:40 am -
1 stop19h 38m
Mon 1/46:38 pm -
2 stops31h 52m
Deal found 9/27![United Airlines logo]()
$537
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:40 am -
1 stop13h 33m
Thu 11/126:00 pm -
2 stops15h 45m
Deal found 9/24![Multiple Airlines logo]()
$541
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 10/810:50 am -
2 stops17h 18m
Mon 10/1210:00 pm -
1 stop11h 40m
Deal found 9/27![Delta logo]()
$546
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.
Fri 11/65:40 am -
2 stops18h 26m
Tue 11/101:37 pm -
2 stops16h 03m
Deal found 9/27![KLM logo]()
$551
This British Airways deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:50 am -
1 stop12h 55m
Sat 11/149:30 pm -
1 stop14h 15m
Deal found 9/26![British Airways logo]()
$582
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/191:35 pm -
1 stop28h 51m
Sat 1/912:30 pm -
2 stops38h 00m
Deal found 9/24![United Airlines logo]()
$538
This Aer Lingus 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:00 pm -
Nonstop7h 15m
Sun 11/81:00 pm -
1 stop12h 10m
Deal found 9/27![Multiple Airlines logo]()
$542
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.
Mon 11/211:55 am -
Nonstop7h 14m
Mon 11/96:20 pm -
1 stop9h 40m
Deal found 9/25![Delta logo]()
$548
This British Airways deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:10 pm -
1 stop24h 35m
Wed 11/117:30 am -
1 stop10h 55m
Deal found 9/26![British Airways logo]()
$583
This Aer Lingus 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:00 pm -
Nonstop7h 15m
Mon 11/169:42 am -
1 stop15h 28m
Deal found 9/26![Multiple Airlines logo]()
$542
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.
Sun 10/118:50 am -
2 stops12h 56m
Sun 10/185:56 pm -
1 stop12h 14m
Deal found 9/27![United Airlines logo]()
$542
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:45 am -
2 stops22h 20m
Fri 11/135:07 pm -
2 stops14h 33m
Deal found 9/24![Delta logo]()
$549
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.
Tue 11/101:25 pm -
2 stops14h 30m
Tue 11/174:55 pm -
1 stop11h 05m
Deal found 9/26![Multiple Airlines logo]()
$548
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.
Thu 11/58:05 pm -
2 stops26h 55m
Wed 11/118:00 pm -
2 stops15h 45m
Deal found 9/23![British Airways logo]()
$606
This British Airways deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:50 am -
1 stop19h 00m
Thu 11/1911:48 am -
2 stops23h 57m
Deal found 9/26![British Airways logo]()
$618
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:40 am -
2 stops15h 16m
Sun 11/154:00 pm -
2 stops14h 10m
Deal found 9/23![British Airways logo]()
$618
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 11/68:05 pm -
2 stops32h 39m
Fri 11/135:30 pm -
2 stops17h 15m
Deal found 9/27![British Airways logo]()
$623
Last-minute flights from Ireland to BostonDiscover last-minute flight deals from Ireland to Boston. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Ireland to Boston. Data last updated September 28, 2026 and is based on user searches.
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.
Thu 10/110:50 am -
1 stop10h 46m
Tue 10/65:25 pm -
2 stops16h 15m
Deal found 9/23![Delta logo]()
$520
This Mytrip deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:25 pm -
1 stop12h 45m
Wed 10/1410:00 pm -
1 stop13h 55m
Deal found 9/25![Lufthansa logo]()
$493
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:15 pm -
1 stop11h 35m
Tue 10/138:50 pm -
1 stop9h 15m
Deal found 9/23![Icelandair logo]()
$500
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:15 am -
1 stop15h 21m
Mon 10/1210:00 pm -
1 stop11h 40m
Deal found 9/27![Multiple Airlines logo]()
$541
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:45 pm -
Nonstop7h 10m
Thu 11/55:15 pm -
Nonstop6h 00m
Deal found 9/27![Aer Lingus logo]()
$485
This Travelis 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:10 am -
1 stop13h 35m
Mon 11/167:41 pm -
1 stop9h 39m
Deal found 9/24![Lufthansa logo]()
$498
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.
Wed 10/2811:45 am -
Nonstop7h 10m
Thu 11/59:20 pm -
Nonstop6h 00m
Deal found 9/24![Aer Lingus logo]()
$494
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:45 pm -
Nonstop7h 20m
Wed 11/49:20 pm -
Nonstop6h 00m
Deal found 9/26![Aer Lingus logo]()
$481
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:45 pm -
Nonstop7h 20m
Mon 11/25:15 pm -
Nonstop6h 00m
Deal found 9/28![Aer Lingus logo]()
$484
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:45 am -
Nonstop7h 10m
Tue 11/35:15 pm -
Nonstop6h 00m
Deal found 9/24![Aer Lingus logo]()
$495
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:30 am -
1 stop11h 20m
Tue 11/37:50 pm -
1 stop9h 25m
Deal found 9/27![Icelandair logo]()
$499
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.
Sat 10/3112:10 pm -
1 stop13h 10m
Wed 11/119:50 pm -
1 stop14h 55m
Deal found 9/26![SWISS logo]()
$483
One-way flights from Ireland to BostonSearch for one-way flight options from Ireland to Boston. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Ireland to Boston. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Thrive Travel 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/32:00 pm -
Nonstop7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Iberia logo]()
$361
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.
Fri 12/115:40 am -
1 stop18h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![KLM logo]()
$361
This Thrive Travel 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/302:40 pm -
1 stop21h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$366
This Thrive Travel 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/32:40 pm -
1 stop11h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$367
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 12/115:40 am -
2 stops18h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Delta logo]()
$367
This Thrive Travel 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:00 pm -
Nonstop7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![JetBlue logo]()
$390
This Thrive Travel 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:00 pm -
Nonstop7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Aer Lingus logo]()
$393
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:40 am -
Nonstop7h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![JetBlue logo]()
$394
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:30 am -
1 stop12h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![JetBlue logo]()
$395
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.
Sun 10/1111:30 am -
1 stop14h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![JetBlue logo]()
$397
This Thrive Travel 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/102:30 pm -
1 stop14h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$398
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2311:55 am -
Nonstop7h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Delta logo]()
$401
Find flight deals from Ireland to Boston
Keep the following information in mind while searching for Ireland to Boston flight deals. Data was last updated September 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $439 (Booking.com) |
One-way from | $361 (Thrive Travel) |
Popular in | July |
Cheapest in | February |
Average price | $608 |
Good round-trip deal | $463 or less |
Good one-way deal | $447 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ireland to Boston 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 Ireland to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CorkBoston
ORK Cork - BOS Boston Logan Intl
ORKBOS
Cork
Fri 12/11
5:40 am-7:01 pm
1 stop18h 21m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$361
CorkBoston
ORK Cork - BOS Boston Logan Intl
ORKBOS
Cork
Fri 12/11
5:40 am-7:01 pm
2 stops18h 21m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$367
Quickest round-trip
DublinBoston
DUB Dublin - BOS Boston Logan Intl
DUBBOS
Dublin
Thu 10/22
10:40 am-12:51 pm
Nonstop7h 11m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$394
DublinBoston
DUB Dublin - BOS Boston Logan Intl
DUBBOS
Dublin
Fri 10/9
10:40 am-12:51 pm
Nonstop7h 11m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$395
DublinBoston
DUB Dublin - BOS Boston Logan Intl
DUBBOS
Dublin
Thu 10/8
10:40 am-12:51 pm
Nonstop7h 11m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$395
DublinBoston
DUB Dublin - BOS Boston Logan Intl
DUBBOS
Dublin
Mon 10/19
10:40 am-12:51 pm
Nonstop7h 11m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$397
DublinBoston
DUB Dublin - BOS Boston Logan Intl
DUBBOS
Dublin
Tue 10/20
10:40 am-12:51 pm
Nonstop7h 11m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$397
DublinBoston
DUB Dublin - BOS Boston Logan Intl
DUBBOS
Dublin
Mon 12/28
6:00 am-9:15 pm
1 stop20h 15m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$398
DublinBoston
DUB Dublin - BOS Boston Logan Intl
DUBBOS
Dublin
Wed 10/21
11:30 am-5:24 pm
1 stop10h 54m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$400
DublinBoston
DUB Dublin - BOS Boston Logan Intl
DUBBOS
Dublin
Sat 10/10
11:30 am-5:24 pm
1 stop10h 54m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$400
Showing 1-10 of 58 resultsSorted by cheapest first
Best time to book a flight from Ireland to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Ireland with our price prediction graph.
ORK-BOS
DUB-BOS
SNN-BOS
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 Ireland to Boston
IE0-BOS
ORK-BOS
DUB-BOS
SNN-BOS
What is the cheapest month to book a flight from Ireland to Boston?
Currently, January is the cheapest month in which you can book a flight from Ireland to Boston (average of $474). Flying from Ireland to Boston in July is currently the most expensive (average of $826). 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 IE to BOS?
Find hourly flight availability from Ireland to Boston. 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 Ireland to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 34% versus a flight at noon.
Weekly flight availability from Ireland to Boston
Explore weekly flight availability from Ireland to Boston. 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 IE0 to BOS 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 Ireland to Boston delayed?
About 8% of weekly flights between Ireland and Boston have experienced delays in the past year, with the average delay time being 131 minutes.
What is the most punctual flight time for Ireland to Boston flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning 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 Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Ireland to Boston flights?
Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 7% of flights being delayed.
How far ahead should I book a flight from Ireland to Boston?
To ensure you get the cheapest price possible for a flight from Ireland to Boston, 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 Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated September 28, 2026.
Read reviews from past customers who have flown Delta,Aer Lingus, andJetBlue from Ireland to Boston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.2
Overall
7.8
Entertainment
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Boarding
8.1
Food
7.2
Overall
7.8
Entertainment
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Boarding
8.1
Food
7.2
Overall
7.8
Entertainment
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Boarding
8.1
Food
7.2
Overall
7.8
Entertainment
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Related info for your journey
Find useful and relevant information for your journey from Ireland to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Dedham
Cranston
Revere
Warwick
Pawtucket
Peabody
Auburn
Londonderry
York Beach
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
Sandwich
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
Boston flight routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Ireland to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 28, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ireland to Boston by cabin class
Find flights from Ireland to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ireland and Boston flights
Browse other Ireland and Boston flight options. Last updated on September 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ireland to Boston flights
Consider these flights traveling from Ireland to Boston.
Top 3 airlines flying from Ireland to Boston
Discover the top 3 airlines that operate flights from Ireland to Boston. 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$271 | Average$590 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$410 | Average$671 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$463 | Average$693 | FlexibilityNo cancel fee | On-time62% |