$267+ Cheap flights from Boston (BOS) to Dublin (DUB)
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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Dublin 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.Cheapflights Tip: The best prices from Boston Logan Intl to Dublin are usually found in January or February, booked 57 days in advance, depart on a Monday or Tuesday and return on a Thursday
Cheap flight deals from Boston to Dublin
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to DublinExplore the most affordable flight options available from Boston to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Boston to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/52:40 pm -
1 stop14h 40m
Wed 11/111:35 pm -
1 stop9h 59m
Deal found 9/11![United Airlines logo]()
$426
This FlightHub deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:15 pm -
Nonstop6h 00m
Sun 11/224:45 pm -
Nonstop7h 20m
Deal found 9/11![Multiple Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 9/11. 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 11/56:50 am -
1 stop19h 55m
Wed 11/1111:55 am -
Nonstop7h 14m
Deal found 9/11![Delta logo]()
$446
This Delta deal was found by Cheapflights users on 9/11. 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 11/1910:45 pm -
Nonstop6h 00m
Sun 11/229:40 am -
1 stop18h 42m
Deal found 9/11![Delta logo]()
$451
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/198:25 pm -
2 stops29h 45m
Sun 11/229:00 am -
2 stops33h 59m
Deal found 9/11![United Airlines logo]()
$472
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/249:25 pm -
1 stop31h 40m
Thu 12/318:50 am -
1 stop12h 10m
Deal found 9/12![American Airlines logo]()
$514
This KLM deal was found by Cheapflights users on 9/11. 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 10/2311:40 pm -
Nonstop6h 05m
Sun 11/15:15 pm -
1 stop25h 58m
Deal found 9/11![KLM logo]()
$516
This KAYAK deal was found by Cheapflights users on 9/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:50 pm -
2 stops13h 55m
Wed 11/185:30 pm -
2 stops31h 50m
Deal found 9/11![SWISS logo]()
$519
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/199:20 pm -
Nonstop6h 00m
Mon 11/234:45 pm -
Nonstop7h 20m
Deal found 9/11![Aer Lingus logo]()
$525
Best flights from Boston to DublinDiscover carefully curated flight deals from Boston to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Boston to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 am -
1 stop20h 30m
Mon 11/99:00 am -
1 stop30h 22m
Deal found 9/8![United Airlines logo]()
$615
This Delta deal was found by Cheapflights users on 9/11. 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 11/2910:45 pm -
Nonstop6h 00m
Fri 12/411:55 am -
Nonstop7h 10m
Deal found 9/11![Delta logo]()
$631
This United deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:38 am -
1 stop18h 52m
Wed 10/76:35 pm -
1 stop25h 35m
Deal found 9/10![Multiple Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 9/11. 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 1/247:41 pm -
2 stops30h 49m
Thu 1/289:00 am -
1 stop30h 12m
Deal found 9/11![United Airlines logo]()
$636
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:05 pm -
1 stop30h 25m
Sat 11/289:00 am -
1 stop30h 22m
Deal found 9/7![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:45 am -
1 stop23h 55m
Wed 10/219:20 am -
1 stop29h 35m
Deal found 9/8![United Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am -
1 stop24h 10m
Sun 10/189:20 am -
1 stop29h 35m
Deal found 9/8![United Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:45 am -
1 stop23h 55m
Fri 10/239:20 am -
1 stop31h 30m
Deal found 9/7![United Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1511:45 am -
2 stops14h 45m
Sat 1/239:00 am -
2 stops14h 49m
Deal found 9/7![United Airlines logo]()
$653
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/271:29 pm -
1 stop14h 41m
Sat 10/318:00 am -
2 stops14h 39m
Deal found 9/10![United Airlines logo]()
$673
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:01 pm -
1 stop11h 44m
Tue 10/2712:05 pm -
2 stops15h 24m
Deal found 9/8![United Airlines logo]()
$680
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/228:25 pm -
1 stop9h 45m
Mon 10/261:35 pm -
2 stops14h 24m
Deal found 9/9![United Airlines logo]()
$680
Last-minute flights from Boston to DublinDiscover last-minute flight deals from Boston to Dublin. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Dublin. Data last updated September 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/188:30 pm -
1 stop9h 40m
Sun 9/271:35 pm -
1 stop25h 09m
Deal found 9/10![United Airlines logo]()
$536
This Delta deal was found by Cheapflights users on 9/10. 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 9/188:25 pm -
1 stop11h 15m
Thu 9/241:15 pm -
1 stop14h 55m
Deal found 9/10![Delta logo]()
$537
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/247:38 am -
2 stops18h 42m
Sun 9/271:35 pm -
1 stop25h 09m
Deal found 9/10![United Airlines logo]()
$541
This CheapOair deal was found by Cheapflights users on 9/11. 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.
Tue 9/296:00 am -
1 stop21h 15m
Thu 10/810:40 am -
2 stops14h 30m
Deal found 9/11![Multiple Airlines logo]()
$534
This Delta deal was found by Cheapflights users on 9/11. 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 10/78:25 pm -
1 stop11h 15m
Sun 10/183:00 pm -
Nonstop7h 13m
Deal found 9/11![Delta logo]()
$527
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/108:25 pm -
1 stop9h 45m
Sat 10/178:50 am -
2 stops18h 55m
Deal found 9/10![United Airlines logo]()
$535
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/109:40 pm -
1 stop15h 10m
Sun 10/186:35 pm -
1 stop25h 35m
Deal found 9/11![SWISS logo]()
$538
This Orbitz deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:29 pm -
2 stops15h 36m
Sun 10/189:35 pm -
2 stops27h 10m
Deal found 9/11![Iberia logo]()
$531
This Mytrip deal was found by Cheapflights users on 9/10. 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 10/114:55 pm -
1 stop10h 20m
Tue 10/275:10 am -
2 stops18h 25m
Deal found 9/10![Multiple Airlines logo]()
$542
This Orbitz deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:29 pm -
2 stops15h 36m
Tue 10/2712:50 pm -
2 stops35h 50m
Deal found 9/11![Iberia logo]()
$540
This KLM deal was found by Cheapflights users on 9/11. 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 10/2311:40 pm -
Nonstop6h 05m
Sun 11/15:15 pm -
1 stop25h 58m
Deal found 9/11![KLM logo]()
$516
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Fri 10/2310:35 am -
2 stops16h 40m
Sun 11/19:00 am -
2 stops17h 28m
Deal found 9/11![Air Canada logo]()
$533
One-way flights from Boston to DublinSearch for one-way flight options from Boston to Dublin. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Boston to Dublin. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This oojo deal was found by Cheapflights users on 9/11. 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.
Tue 9/228:50 pm -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Icelandair logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/17:30 pm -
1 stop11h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/1510:05 am -
1 stop20h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$270
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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.
Fri 9/188:50 pm -
1 stop11h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Icelandair logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/1010:05 am -
1 stop20h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Sun 10/411:00 pm -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Icelandair logo]()
$277
This Expedia deal was found by Cheapflights users on 9/9. 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.
Fri 12/257:15 pm -
1 stop9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![British Airways logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 11/137:50 pm -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Icelandair logo]()
$279
This Trip.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/2410:40 am -
2 stops19h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/23:55 pm -
2 stops36h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$282
Find flight deals from Boston to Dublin
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $426 (United Airlines) |
One-way from | $267 (oojo) |
Popular in | June |
Cheapest in | January |
Average price | $620 |
Good round-trip deal | $695 or less |
Good one-way deal | $362 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Dublin 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 12, 2026.
Use the filters below to find and compare flights from Boston to Dublin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Tue 12/29
10:35 pm-9:45 am
Nonstop6h 10m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$295
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Wed 3/10
12:10 pm-7:30 am
2 stops14h 20m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$299
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Tue 12/29
3:31 pm-7:10 am
3 stops34h 39m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$308
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Sun 10/11
8:59 pm-8:20 am
Nonstop6h 21m
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
Fri 10/9
11:40 pm-10:45 am
Nonstop6h 05m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$319
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Thu 10/8
10:51 am-7:30 am
1 stop15h 39m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$323
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Mon 11/16
9:12 am-7:30 am
2 stops17h 18m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$323
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Tue 10/27
6:00 am-9:55 am
2 stops23h 55m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$323
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Mon 11/9
9:12 am-9:55 am
2 stops19h 43m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$323
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Mon 10/5
3:48 pm-10:40 am
2 stops13h 52m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$323
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Boston to Dublin
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Dublin in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Dublin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Dublin
Have a flexible travel schedule? Discover the best time to fly to Dublin from Boston with our price prediction graph.
BOS-DUB
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 Dublin
Prices
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How far ahead should I book a flight from Boston to Dublin?
The best time to book flights from Boston to Dublin is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Boston to Dublin?
Currently, January is the cheapest month in which you can book a flight from Boston to Dublin (average of $407). Flying from Boston to Dublin in June is currently the most expensive (average of $775). 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 DUB?
Find hourly flight availability from Boston to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 12, 2026.
When flying from Boston to Dublin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Boston to Dublin delayed?
About 9% of weekly flights between Boston and Dublin have experienced delays in the past year, with the average delay time being 147 minutes.
What is the most punctual flight time for Boston to Dublin 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 Dublin flights?
Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 6% of flights being delayed.
What’s the top layover airport for flights from Boston to Dublin?
Share of 1-stop round-trip flights from Boston to Dublin chosen by Cheapflights users in the past 12 months, using the same layover each way.
London (LHR) – chosen by Cheapflights users on 50% of 1-stop itineraries from Boston to Dublin on Cheapflights.
What’s the cheapest layover airport for flights from Boston to Dublin?
Average round-trip fare for 1-stop flights from Boston to Dublin, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Washington, D.C. (IAD) is the most affordable 1-stop option, with an average round-trip price of $363.
What’s the fastest layover option from Boston to Dublin?
Shortest average travel time for 1-stop one-way flights from Boston to Dublin, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via London (LHR) have the shortest average one-way travel time for 1-stop routes: 9h 53m.
Which airport typically offers the quickest layover for flights from Boston to Dublin?
Average layover duration for 1-stop one-way flights from Boston to Dublin, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average layover time of 1h 39m.
The best insider tips for Boston to Dublin flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Dublin trip
Our travel experts
Reviews of airlines servicing Dublin
Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated September 12, 2026.
Read reviews from past customers who have flown KLM,Delta, andAir France from Boston to Dublin. 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.
Entertainment
7.2
Boarding
7.8
Overall
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Entertainment
7.2
Boarding
7.8
Overall
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Entertainment
7.2
Boarding
7.8
Overall
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Entertainment
7.2
Boarding
7.8
Overall
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Entertainment
7.2
Boarding
7.8
Overall
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Entertainment
7.2
Boarding
7.8
Overall
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Related info for your journey
Find useful and relevant information for your journey from Boston to Dublin. 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 Dublin?
Book flights to Dublin if you plan to visit one of these locationsCastleknock
Bray
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Complete your trip
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Other flights to Dublin
Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.
Search flights from Boston to Dublin by cabin class
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Boston and Dublin flights
Browse other Boston and Dublin flight options. Last updated on September 12, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.
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Top 10 airlines flying from Boston to Dublin
Discover the top 10 airlines that operate flights from Boston to Dublin. 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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$305 | Average$524 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$312 | Average$493 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$335 | Average$585 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$342 | Average$567 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$348 | Average$594 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$349 | Average$671 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$350 | Average$652 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$351 | Average$640 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$358 | Average$465 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$360 | Average$687 | FlexibilityNo cancel fee | On-time62% |