$275+ Cheap flights from Boston (BOS) to Dublin (DUB)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
Sep 30 — Oct 71
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 August 31, 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 August 31, 2026.
This oojo deal was found by Cheapflights users on 8/30. 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.
Mon 10/198:50 pm -
1 stop11h 25m
Thu 10/2911:30 am -
1 stop11h 20m
Deal found 8/30![Icelandair logo]()
$548
This oojo deal was found by Cheapflights users on 8/27. 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.
Thu 10/298:50 pm -
1 stop9h 25m
Wed 11/411:30 am -
1 stop11h 20m
Deal found 8/27![Icelandair logo]()
$549
This oojo deal was found by Cheapflights users on 8/27. 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.
Wed 11/47:50 pm -
1 stop9h 25m
Mon 11/911:30 am -
1 stop11h 20m
Deal found 8/27![Icelandair logo]()
$550
This Mytrip deal was found by Cheapflights users on 8/28. 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.
Wed 10/1411:00 pm -
1 stop9h 15m
Sun 10/1812:15 pm -
1 stop11h 35m
Deal found 8/28![Icelandair logo]()
$551
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Mon 9/2111:00 pm -
1 stop9h 15m
Tue 10/209:45 pm -
1 stop28h 20m
Deal found 8/26![Multiple Airlines logo]()
$552
This Mytrip deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:00 pm -
1 stop31h 05m
Sun 10/1812:15 pm -
1 stop14h 30m
Deal found 8/31![Icelandair logo]()
$554
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 10/138:50 pm -
1 stop9h 15m
Tue 10/2010:00 pm -
2 stops28h 05m
Deal found 8/30![Multiple Airlines logo]()
$556
This FlightHub deal was found by Cheapflights users on 8/30. 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 11/107:50 pm -
1 stop9h 25m
Mon 11/1611:30 am -
1 stop11h 20m
Deal found 8/30![Icelandair logo]()
$557
This Justfly.com deal was found by Cheapflights users on 8/30. 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.
Wed 11/47:50 pm -
1 stop9h 25m
Tue 11/1011:30 am -
1 stop11h 20m
Deal found 8/30![Icelandair logo]()
$558
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 August 31, 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 August 31, 2026.
This United deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/188:00 pm -
1 stop30h 30m
Sun 2/219:00 am -
1 stop30h 12m
Deal found 8/31![Multiple Airlines logo]()
$621
This United Airlines deal was found by Cheapflights users on 8/27. 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 11/85:30 am -
2 stops23h 25m
Sun 11/159:00 am -
1 stop30h 17m
Deal found 8/27![United Airlines logo]()
$630
This Delta deal was found by Cheapflights users on 8/28. 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.
Tue 10/611:40 pm -
Nonstop6h 05m
Sat 10/173:00 pm -
Nonstop7h 13m
Deal found 8/28![Delta logo]()
$666
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Wed 10/281:29 pm -
1 stop14h 41m
Sun 11/19:00 am -
1 stop10h 18m
Deal found 8/28![United Airlines logo]()
$632
This United deal was found by Cheapflights users on 8/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:25 pm -
1 stop9h 45m
Fri 11/206:35 pm -
1 stop30h 45m
Deal found 8/28![Multiple Airlines logo]()
$644
This United Airlines deal was found by Cheapflights users on 8/30. 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 2/137:35 pm -
2 stops31h 35m
Sat 2/209:00 am -
1 stop30h 12m
Deal found 8/30![United Airlines logo]()
$636
This United Airlines deal was found by Cheapflights users on 8/29. 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 11/122:40 pm -
2 stops14h 15m
Mon 11/169:00 am -
1 stop13h 58m
Deal found 8/29![United Airlines logo]()
$637
This United Airlines deal was found by Cheapflights users on 8/29. 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 11/22:40 pm -
2 stops14h 15m
Mon 11/99:00 am -
1 stop13h 58m
Deal found 8/29![United Airlines logo]()
$637
This United Airlines deal was found by Cheapflights users on 8/30. 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 1/162:48 pm -
2 stops11h 42m
Sat 1/239:00 am -
2 stops14h 49m
Deal found 8/30![United Airlines logo]()
$648
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:38 am -
1 stop22h 32m
Fri 10/239:20 am -
1 stop31h 30m
Deal found 8/31![United Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 8/29. 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 11/293:10 pm -
1 stop11h 00m
Fri 12/119:30 am -
2 stops15h 08m
Deal found 8/29![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 8/30. 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 2/412:00 pm -
2 stops15h 10m
Wed 2/179:30 am -
1 stop13h 43m
Deal found 8/30![United Airlines logo]()
$657
Last-minute flights from Boston to DublinDiscover last-minute flight deals from Boston to Dublin. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Dublin. Data last updated August 31, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:50 pm -
1 stop9h 15m
Wed 9/1612:15 pm -
1 stop11h 35m
Deal found 8/31![Icelandair logo]()
$616
This Cheapflightsfares deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:50 pm -
1 stop11h 25m
Thu 9/242:15 pm -
1 stop9h 35m
Deal found 8/31![Icelandair logo]()
$567
This FlightHub deal was found by Cheapflights users on 8/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:00 pm -
1 stop31h 05m
Mon 9/212:15 pm -
1 stop9h 35m
Deal found 8/28![Icelandair logo]()
$576
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Mon 9/2111:00 pm -
1 stop9h 15m
Tue 10/209:45 pm -
1 stop28h 20m
Deal found 8/26![Multiple Airlines logo]()
$552
This Cheapflightsfares deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:50 pm -
1 stop9h 15m
Sat 12/511:30 am -
1 stop11h 20m
Deal found 8/31![Icelandair logo]()
$587
This deal was found by Cheapflights users on 8/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:50 pm -
1 stop11h 25m
Thu 10/12:15 pm -
1 stop9h 35m
Deal found 8/29![Icelandair logo]()
$564
This deal was found by Cheapflights users on 8/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:00 pm -
1 stop9h 15m
Thu 10/12:15 pm -
1 stop9h 35m
Deal found 8/29![Icelandair logo]()
$562
This Cheapflightsfares deal was found by Cheapflights users on 8/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:50 pm -
1 stop11h 25m
Thu 10/82:15 pm -
1 stop9h 35m
Deal found 8/26![Icelandair logo]()
$618
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 August 31, 2026.
Search for one-way flight options from Boston to Dublin. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Mon 9/288:50 pm -
1 stop11h 25m
Deal found 8/27![Icelandair logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:50 pm -
1 stop11h 25m
Deal found 8/31![Icelandair logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Wed 9/308:50 pm -
1 stop11h 25m
Deal found 8/27![Icelandair logo]()
$278
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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.
Tue 10/69:21 pm -
1 stop20h 19m
Deal found 8/28![JetBlue logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/268:50 pm -
1 stop9h 15m
Deal found 8/29![Icelandair logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:50 pm -
2 stops20h 55m
Deal found 8/31![Multiple Airlines logo]()
$289
This Booking.com deal was found by Cheapflights users on 8/29. 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 11/295:15 pm -
Nonstop6h 00m
Deal found 8/29![Aer Lingus logo]()
$290
This JetBlue deal was found by Cheapflights users on 8/29. 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 10/19:21 pm -
1 stop11h 49m
Deal found 8/29![JetBlue logo]()
$291
This KAYAK deal was found by Cheapflights users on 8/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:21 pm -
1 stop11h 49m
Deal found 8/26![JetBlue logo]()
$292
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 August 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $548 (oojo) |
One-way from | $275 (FlightHub) |
Popular in | June |
Cheapest in | January |
Average price | $668 |
Good round-trip deal | $692 or less |
Good one-way deal | $375 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 August 31, 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
Thu 2/18
8:00 pm-7:30 am
1 stop30h 30m
Dublin
Sun 2/21
9:00 am-10:12 am
1 stop30h 12m
$621
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Sun 11/8
5:30 am-9:55 am
2 stops23h 25m
Dublin
Sun 11/15
9:00 am-10:17 am
1 stop30h 17m
$630
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Wed 10/28
1:29 pm-8:10 am
1 stop14h 41m
Dublin
Sun 11/1
9:00 am-2:18 pm
1 stop10h 18m
$632
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Sat 2/13
7:35 pm-8:10 am
2 stops31h 35m
Dublin
Sat 2/20
9:00 am-10:12 am
1 stop30h 12m
$636
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Thu 11/12
2:40 pm-9:55 am
2 stops14h 15m
Dublin
Mon 11/16
9:00 am-5:58 pm
1 stop13h 58m
$637
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Mon 11/2
2:40 pm-9:55 am
2 stops14h 15m
Dublin
Mon 11/9
9:00 am-5:58 pm
1 stop13h 58m
$637
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Fri 10/9
8:25 pm-11:10 am
1 stop9h 45m
Dublin
Fri 11/20
6:35 pm-8:20 pm
1 stop30h 45m
$644
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Sat 1/16
2:48 pm-7:30 am
2 stops11h 42m
Dublin
Sat 1/23
9:00 am-6:49 pm
2 stops14h 49m
$648
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Mon 10/12
7:38 am-11:10 am
1 stop22h 32m
Dublin
Fri 10/23
9:20 am-11:50 am
1 stop31h 30m
$649
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Sun 11/29
3:10 pm-7:10 am
1 stop11h 00m
Dublin
Fri 12/11
9:30 am-7:38 pm
2 stops15h 08m
$654
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 August.
| 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 Accuracy2 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
Airlines
Delays
More
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 August 31, 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 8% of weekly flights between Boston and Dublin have experienced delays in the past year, with the average delay time being 150 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?
Monday 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 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 August 31, 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.
Crew
8.4
Food
7.3
Comfort
7.7
Entertainment
7.2
Boarding
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Crew
8.4
Food
7.3
Comfort
7.7
Entertainment
7.2
Boarding
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Crew
8.4
Food
7.3
Comfort
7.7
Entertainment
7.2
Boarding
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Crew
8.4
Food
7.3
Comfort
7.7
Entertainment
7.2
Boarding
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Crew
8.4
Food
7.3
Comfort
7.7
Entertainment
7.2
Boarding
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Crew
8.4
Food
7.3
Comfort
7.7
Entertainment
7.2
Boarding
7.8
Overall
7.8
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
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Boston and Dublin flights
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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 August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$489 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$312 | Average$493 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$333 | Average$578 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$338 | Average$540 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$348 | Average$587 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$349 | Average$667 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$350 | Average$650 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$351 | Average$632 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$358 | Average$451 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$361 | Average$671 | FlexibilityNo cancel fee | On-time62% |