Cheap flights from Boston to Dublin from €202

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Dublin departing on 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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KLM Logo
22:15 - 09:20
BOS
-
DUB
6h 05mdirect
KLM Logo
11:30 - 14:40
DUB
-
BOS
7h 10mdirect
€297KLM
Wed, 4 Mar - Mon, 9 Mar
United Airlines Logo
08:25 - 07:10
BOS
-
DUB
17h 45m2 stops
United Airlines Logo
09:00 - 15:57
DUB
-
BOS
11h 57m1 stop
€298United Airlines
Sat, 10 Jan - Sun, 18 Jan
United Airlines Logo
16:35 - 06:10
BOS
-
DUB
32h 35m1 stop
United Airlines Logo
08:00 - 12:12
DUB
-
BOS
32h 12m1 stop
€299United Airlines
Fri, 6 Mar - Sun, 15 Mar
Multiple Airlines Logo
13:00 - 07:10
BOS
-
DUB
13h 10m1 stop
Multiple Airlines Logo
05:00 - 14:52
DUB
-
BOS
14h 52m2 stops
€300Multiple Airlines
Thu, 15 Jan - Tue, 20 Jan
KLM Logo
23:30 - 10:45
BOS
-
DUB
6h 15mdirect
KLM Logo
15:00 - 17:04
DUB
-
BOS
7h 04mdirect
€301KLM
Sun, 3 May - Wed, 13 May
Delta Logo
10:03 - 08:45
BOS
-
DUB
17h 42m1 stop
Delta Logo
11:30 - 13:55
DUB
-
BOS
7h 25mdirect
€302Delta
Tue, 17 Feb - Thu, 26 Feb
Air Canada Logo
06:15 - 08:15
BOS
-
DUB
21h 00m1 stop
Air Canada Logo
09:20 - 16:08
DUB
-
BOS
11h 48m1 stop
€303Air Canada
Wed, 22 Apr - Fri, 1 May
Multiple Airlines Logo
06:15 - 06:10
BOS
-
DUB
19h 55m1 stop
Multiple Airlines Logo
17:55 - 19:35
DUB
-
BOS
29h 40m1 stop
€303Multiple Airlines
Sun, 15 Mar - Sun, 22 Mar
Air Canada Logo
10:15 - 07:10
BOS
-
DUB
15h 55m2 stops
Air Canada Logo
09:00 - 19:42
DUB
-
BOS
15h 42m2 stops
€304Air Canada
Fri, 23 Jan - Sun, 8 Feb
Delta Logo
09:55 - 09:15
BOS
-
DUB
18h 20m1 stop
Delta Logo
15:00 - 17:04
DUB
-
BOS
7h 04mdirect
€305Delta
Tue, 21 Apr - Tue, 28 Apr

Air Canada flights from Boston to Dublin

Our best Air Canada deals on Boston to Dublin flight tickets
Air Canada
22 Apr
BOS06:15Boston Logan Intl
21h 00m
1 stop
DUB08:15Dublin
1 May
DUB09:20Dublin
11h 48m
1 stop
BOS16:08Boston Logan Intl
Air Canada
23 Jan
BOS10:15Boston Logan Intl
15h 55m
2 stops
DUB07:10Dublin
8 Feb
DUB09:00Dublin
15h 42m
2 stops
BOS19:42Boston Logan Intl
Air Canada
1 Jan
BOS05:30Boston Logan Intl
20h 40m
2 stops
DUB07:10Dublin
14 Jan
DUB09:00Dublin
15h 42m
2 stops
BOS19:42Boston Logan Intl

Delta flights from Boston to Dublin

Our best Delta deals on Boston to Dublin flight tickets
Delta
17 Feb
BOS10:03Boston Logan Intl
17h 42m
1 stop
DUB08:45Dublin
26 Feb
DUB11:30Dublin
7h 25m
BOS13:55Boston Logan Intl
Delta
21 Apr
BOS09:55Boston Logan Intl
18h 20m
1 stop
DUB09:15Dublin
1 May
DUB15:00Dublin
7h 04m
BOS17:04Boston Logan Intl
Delta
30 Dec
BOS22:05Boston Logan Intl
6h 15m
DUB09:20Dublin
21 Jan
DUB10:45Dublin
12h 42m
1 stop
BOS18:27Boston Logan Intl

momondo Fare Finder

 
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, momondo users made 13,528 searches. Data last updated 19 December 2025.
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

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 4/3

22:15-09:20

Nonstop6h 05m

Dublin

Mon 9/3

11:30-14:40

Nonstop7h 10m

€297

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 10/1

08:25-07:10

2 stops17h 45m

Dublin

Sun 18/1

09:00-15:57

1 stop11h 57m

€298

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 6/3

16:35-06:10

1 stop32h 35m

Dublin

Sun 15/3

08:00-12:12

1 stop32h 12m

€299

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 15/1

13:00-07:10

1 stop13h 10m

Dublin

Tue 20/1

05:00-14:52

2 stops14h 52m

€300

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 3/5

23:30-10:45

Nonstop6h 15m

Dublin

Wed 13/5

15:00-17:04

Nonstop7h 04m

€301

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 17/2

10:03-08:45

1 stop17h 42m

Dublin

Thu 26/2

11:30-13:55

Nonstop7h 25m

€302

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 22/4

06:15-08:15

1 stop21h 00m

Dublin

Fri 1/5

09:20-16:08

1 stop11h 48m

€303

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 15/3

06:15-06:10

1 stop19h 55m

Dublin

Sun 22/3

17:55-19:35

1 stop29h 40m

€303

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 23/1

10:15-07:10

2 stops15h 55m

Dublin

Sun 8/2

09:00-19:42

2 stops15h 42m

€304

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 21/4

09:55-09:15

1 stop18h 20m

Dublin

Tue 28/4

15:00-17:04

Nonstop7h 04m

€305

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dublin from

How to get the cheapest flight ticket from Boston to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of November, then book flights to Dublin from Boston during February instead. Flights to Dublin in February, while not as cheap as those in November, still average around €402.

What is the cheapest day to depart on your flight to Dublin?

Our data shows that Saturday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €432. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €831. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

What is the cheapest time of day to depart on your flight to Dublin?

Our data shows that the cheapest Boston to Dublin flights are usually those with departure times in the afternoon. Our users have found flights to Dublin in the afternoon for as low as €558. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €632 on average. Flights to Dublin from Boston in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Boston Logan Intl to Dublin flight route?

Fly from Boston Logan Intl to Dublin for the best Boston Logan Intl - Dublin flight prices

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €472 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Boston for as low as €446 on momondo.

What cabin class options are available on Boston Logan Intl to Dublin flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Dublin flights?

You could potentially save up to 27% on your flight if you consider stops on a Boston to Dublin flight.

How have Boston to Dublin flight prices changed over time?

As of December 2025, prices for Boston to Dublin flights are approximately 24% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Boston to Dublin (BOS to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Dublin

Best price found

€271

Fastest flight time

5h 55m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from Boston in the past 72 hours is €271. The best return flight deal from Boston to Dublin found on momondo in the last 72 hours is €1,259.
The fastest flight from Boston to Dublin takes 5h 55m
Direct flights go from Boston to Dublin every day.
There is 1 airport in Dublin. From Boston there are direct flights to Dublin (DUB).
  • How far is Boston Logan Intl to Dublin by plane?

    The straight-line distance from Boston Logan Intl to Dublin is 4805.6 km. Flights usually cover this in 5h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Dublin Airport?

    Prices for flights from Boston Logan Intl Airport to Dublin Airport are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Dublin Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Dublin Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Boston to Dublin?

  • What is the most popular airline from Boston to Dublin?

Best airlines flying from Boston to Dublin

Compare and see reviews for airlines that fly from Boston to Dublin with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom €305Free CancellationRating
7.2
1,403 reviews
Search Aer Lingus flights
  • Aer Lingus Flights From Boston to Dublin

    Across 13 Aer Lingus flights from Boston to Dublin this week, the average price was €432, with the best Aer Lingus deals starting from €305 round-trip. 1,403 users have rated Aer Lingus on momondo, with an average score of 7.2/10.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Wicklow
Swords
Cavan
Dundalk
Tullamore
Kildare
Naas
Enniscorthy
Bray
Mullingar
Carlingford
Arklow
Gorey
Malahide
Maynooth
Leixlip
Castleknock
Drogheda

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Dublin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Dublin . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Dublin with flexible booking policies on momondo?

Flights from Boston to Dublin with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boston to Dublin?

momondo helps you find the best flight between Boston and Dublin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to Dublin right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boston to Dublin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Dublin and let you know when they change.

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1 adult
Sun 18/1
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