This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
17 Oct — 24 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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 Thursday or Monday and return on a Thursday
Cheap flight deals from Boston to Dublin
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
Cheapest flights from Boston to Dublin
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 17 September 2026.
Fri 30/1006:00 -
1 stop23h 55m
Sun 8/1109:00 -
1 stop30h 22m
Deal found 13/9£294
Fri 23/1010:50 -
1 stop16h 25m
Mon 26/1012:10 -
1 stop13h 10m
Deal found 14/9£349
Tue 10/1109:10 -
1 stop18h 35m
Tue 17/1105:45 -
2 stops18h 14m
Deal found 16/9£352
Tue 10/1113:37 -
1 stop14h 08m
Thu 19/1113:25 -
2 stops14h 30m
Deal found 16/9£353
Fri 25/905:50 -
1 stop20h 55m
Tue 29/909:20 -
2 stops29h 24m
Deal found 16/9£355
Tue 22/919:00 -
1 stop11h 10m
Tue 29/909:20 -
2 stops29h 24m
Deal found 15/9£356
Thu 24/910:51 -
2 stops18h 49m
Tue 29/909:20 -
2 stops29h 24m
Deal found 14/9£359
Fri 16/1009:51 -
1 stop20h 19m
Wed 21/1009:20 -
1 stop31h 30m
Deal found 15/9£360
Wed 23/906:00 -
1 stop20h 30m
Wed 30/909:20 -
1 stop29h 35m
Deal found 14/9£361
Fri 23/1017:25 -
Nonstop6h 10m
Tue 27/1011:45 -
Nonstop7h 10m
Deal found 15/9£361
Wed 21/1023:40 -
Nonstop6h 05m
Wed 28/1011:55 -
Nonstop7h 14m
Deal found 16/9£365
Best flights from Boston to Dublin
Discover carefully curated flight deals from Boston to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.
Fri 23/1008:05 -
2 stops18h 15m
Mon 26/1012:05 -
2 stops26h 14m
Deal found 14/9£368
Thu 8/1005:50 -
1 stop21h 05m
Sun 11/1015:00 -
Nonstop7h 13m
Deal found 16/9£372
Mon 9/1106:00 -
1 stop18h 15m
Tue 24/1111:45 -
Nonstop7h 10m
Deal found 17/9£421
Thu 8/1005:45 -
1 stop20h 35m
Sun 11/1009:30 -
1 stop14h 55m
Deal found 15/9£373
Thu 15/1023:40 -
Nonstop6h 05m
Sun 18/1013:25 -
1 stop32h 11m
Deal found 15/9£382
Fri 2/1023:40 -
Nonstop6h 05m
Sun 11/1006:00 -
1 stop14h 00m
Deal found 12/9£383
Thu 15/1006:00 -
2 stops20h 20m
Sun 18/1008:50 -
2 stops21h 04m
Deal found 15/9£383
Sat 10/1020:25 -
1 stop9h 45m
Sun 18/1009:30 -
1 stop12h 16m
Deal found 12/9£425
Wed 28/1018:04 -
2 stops12h 16m
Wed 4/1112:05 -
2 stops14h 54m
Deal found 13/9£439
Direct flights from Boston to Dublin
Explore direct flight options from Boston to Dublin based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2026.
Fri 23/1017:25 -
Nonstop6h 10m
Mon 26/1016:45 -
Nonstop7h 20m
Deal found 14/9£361
Fri 23/1017:25 -
Nonstop6h 10m
Tue 27/1011:45 -
Nonstop7h 10m
Deal found 15/9£361
Wed 21/1023:40 -
Nonstop6h 05m
Fri 30/1011:55 -
Nonstop7h 14m
Deal found 16/9£365
Fri 2/1021:04 -
Nonstop6h 16m
Tue 6/1010:40 -
Nonstop7h 11m
Deal found 15/9£367
Wed 30/921:04 -
Nonstop6h 16m
Sun 4/1010:40 -
Nonstop7h 11m
Deal found 14/9£367
Tue 29/921:04 -
Nonstop6h 16m
Sun 4/1010:40 -
Nonstop7h 11m
Deal found 15/9£368
Mon 5/1023:40 -
Nonstop6h 05m
Sun 11/1015:00 -
Nonstop7h 13m
Deal found 16/9£369
Wed 14/1023:40 -
Nonstop6h 05m
Sun 18/1015:00 -
Nonstop7h 13m
Deal found 15/9£376
Sun 22/1122:45 -
Nonstop6h 00m
Mon 30/1111:55 -
Nonstop7h 14m
Deal found 15/9£402
Fri 9/1020:59 -
Nonstop6h 21m
Sat 17/1010:40 -
Nonstop7h 11m
Deal found 12/9£446
Thu 19/1122:45 -
Nonstop6h 00m
Mon 23/1111:55 -
Nonstop7h 14m
Deal found 17/9£454
Tue 13/1020:59 -
Nonstop6h 21m
Sat 24/1010:40 -
Nonstop7h 11m
Deal found 16/9£461
Last-minute flights from Boston to Dublin
Discover last-minute flight deals from Boston to Dublin. Data last updated 17 September 2026 and is based on user searches.
Tue 22/919:00 -
1 stop11h 10m
Tue 29/909:20 -
2 stops29h 24m
Deal found 15/9£356
Wed 23/906:00 -
1 stop20h 30m
Wed 30/909:20 -
1 stop29h 35m
Deal found 14/9£361
Thu 24/910:51 -
2 stops18h 49m
Tue 29/909:20 -
2 stops29h 24m
Deal found 14/9£359
Fri 25/905:50 -
1 stop20h 55m
Tue 29/909:20 -
2 stops29h 24m
Deal found 16/9£355
Fri 16/1009:51 -
1 stop20h 19m
Wed 21/1009:20 -
1 stop31h 30m
Deal found 16/9£360
Tue 20/1015:48 -
2 stops13h 52m
Fri 30/1008:00 -
2 stops14h 34m
Deal found 14/9£366
Wed 21/1023:40 -
Nonstop6h 05m
Wed 28/1011:55 -
Nonstop7h 14m
Deal found 16/9£365
Fri 23/1010:50 -
1 stop16h 25m
Mon 26/1012:10 -
1 stop13h 10m
Deal found 14/9£349
Fri 23/1017:25 -
Nonstop6h 10m
Tue 27/1011:45 -
Nonstop7h 10m
Deal found 15/9£361
Sun 25/1009:10 -
1 stop19h 35m
Sun 1/1108:55 -
2 stops19h 10m
Deal found 16/9£353
Fri 30/1006:00 -
1 stop23h 55m
Sun 8/1109:00 -
1 stop30h 22m
Deal found 13/9£294
One-way flights from Boston to Dublin
Search for one-way flight options from Boston to Dublin. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.
Sat 13/307:30 -
1 stop24h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£213
Sun 13/1222:35 -
Nonstop6h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£219
Mon 15/306:00 -
2 stops21h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£222
Fri 12/318:45 -
1 stop20h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£225
Tue 6/1021:50 -
1 stop11h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£225
Sun 14/306:00 -
2 stops23h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£227
Wed 30/1215:31 -
3 stops34h 39m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£229
Thu 8/1019:35 -
1 stop18h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£231
Tue 15/1207:30 -
1 stop21h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£236
Sun 13/1220:40 -
1 stop15h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£236
Sun 1/1122:45 -
Nonstop6h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£237
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 17 September 2026.
Customise 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 17 September 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
Price
Cheapest return flight
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Wed 10/3
12:10-07:30
2 stops14h 20m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£222
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Fri 9/10
19:35-14:30
1 stop13h 55m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£231
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Mon 9/11
07:30-09:55
1 stop21h 25m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£231
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Tue 15/12
21:30-16:55
1 stop14h 25m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£236
Fastest return journey
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Tue 17/11
22:45-09:45
Nonstop6h 00m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£237
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Sun 25/10
23:45-09:45
Nonstop6h 00m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£237
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Thu 10/12
22:35-09:45
Nonstop6h 10m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£237
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Mon 16/11
09:12-07:30
2 stops17h 18m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£240
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Wed 11/11
09:00-07:55
2 stops17h 55m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£240
BostonDublin
BOS Boston Logan Intl - DUB Dublin
BOSDUB
Boston Logan Intl
Thu 12/11
06:00-09:55
2 stops22h 55m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£240
Flights are sorted by cheapest return flights first.
Deals found on 13/9
Showing 1-10 of 21 resultsSorted by cheapest first
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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 return 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
How far ahead should I book a flight from Boston to Dublin?
To ensure you get the cheapest price possible for a flight from Boston to Dublin, 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.
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 £303). Flying from Boston to Dublin in June is currently the most expensive (average of £577). 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 17 September 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to Dublin as you normally would.
How much does it cost for a return flight from Boston to Dublin?
Airfare is below average for this route at the moment.
Boston to Dublin flights typically cost between £405 and £531 in October.The cheapest return price found within the last 5 days was £294 on Multiple Airlines (30 Oct–8 Nov).
Weekly flight availability from Boston to Dublin
Explore weekly flight availability from Boston to Dublin. 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 17 September 2026.
The most flights from BOS to DUB are scheduled on a Wednesday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).
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 past year, Aer Lingus have had the lowest number of delays on this route, with just 6% of flights being delayed.
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 17 September 2026.
Read through reviews of airlines operating flights from Boston to Dublin, such as Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Seats were very uncomfortable and mine was falling apart. My entertainment system didn’t work at all, just a black screen. It was hot in the plane, the airflow alternated between room temperature and warm. The food was gross.
Seats were very uncomfortable and mine was falling apart. My entertainment system didn’t work at all, just a black screen. It was hot in the plane, the airflow alternated between room temperature and warm. The food was gross.
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.
How popular is this Boston to Dublin flight route?
Within the past month, 36 users have taken a look at flights from Boston Logan Intl to Dublin.
How long is the flight from Boston to Dublin?
A quick flight from Boston to Dublin can take about 21h 35m. United Airlines provides one of the quickest options available for as low as £294. There are 2983 mi between Boston and Dublin.
What is the cheapest airline to fly from Boston to Dublin round-trip?
Currently priced at £260, Aer Lingus will fly you from Boston to Dublin and back. In addition to Aer Lingus, many other airlines offer competitively priced options for your trip. Users have found that Aer Lingus is 39% cheaper than the other options available to this destination.
Can I find deals for business class flights from Boston to Dublin?
Yes. Cheapflights offers flight deals from Boston to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
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 £303). Flying from Boston to Dublin in June is currently the most expensive (average of £577). 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.
Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 17 September 2026.
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on 17 September 2026.
Discover the top airline 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 17 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Boston to Dublin?
Deals for Boston to Dublin flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Boston to Dublin?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Boston to Dublin.
Can Cheapflights find flights from Boston to Dublin with no change fees?
Need flexible booking options for your flight to Dublin from Boston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Boston to Dublin become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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