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Cheap flights from Boston to Dublin from €208

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 9/10. 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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0 bags

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Cheap return flights

Scandinavian Airlines Logo
17:35 - 11:45BOS-DUB
13h 10m2 stops
Scandinavian Airlines Logo
10:20 - 15:50DUB-BOS
34h 30m2 stops
€299Scandinavian Airlines
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Sun, 9 Nov - Sat, 15 Nov
PLAY Logo
19:15 - 10:05BOS-DUB
9h 50m1 stop
PLAY Logo
11:35 - 17:50DUB-BOS
11h 15m1 stop
€300PLAY
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Fri, 5 Sep - Sat, 13 Sep
United Airlines Logo
05:30 - 10:20BOS-DUB
23h 50m1 stop
United Airlines Logo
09:20 - 09:30DUB-BOS
29h 10m1 stop
€301United Airlines
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Sun, 7 Sep - Thu, 18 Sep
United Airlines Logo
12:35 - 09:45BOS-DUB
16h 10m1 stop
United Airlines Logo
08:00 - 18:02DUB-BOS
14h 02m1 stop
€303United Airlines
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Fri, 24 Oct - Sat, 1 Nov
Air Canada Logo
15:40 - 07:10BOS-DUB
34h 30m2 stops
Air Canada Logo
09:00 - 15:57DUB-BOS
11h 57m1 stop
€305Air Canada
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Mon, 5 Jan - Mon, 19 Jan
Iberia Logo
17:36 - 11:40BOS-DUB
13h 04m1 stop
Iberia Logo
09:15 - 19:50DUB-BOS
15h 35m1 stop
€305Iberia
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Tue, 9 Sep - Fri, 19 Sep
Iberia Logo
17:36 - 11:40BOS-DUB
13h 04m1 stop
Iberia Logo
09:30 - 17:05DUB-BOS
12h 35m1 stop
€309Iberia
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Wed, 10 Sep - Wed, 24 Sep
Air Canada Logo
15:15 - 07:45BOS-DUB
11h 30m1 stop
Air Canada Logo
09:20 - 17:55DUB-BOS
13h 35m1 stop
€312Air Canada
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Mon, 8 Sep - Thu, 18 Sep
Aer Lingus Logo
17:30 - 04:30BOS-DUB
6h 00mdirect
Aer Lingus Logo
16:45 - 18:45DUB-BOS
7h 00mdirect
€335Aer Lingus
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Wed, 17 Sep - Wed, 24 Sep
Aer Lingus Logo
21:25 - 08:25BOS-DUB
6h 00mdirect
Aer Lingus Logo
12:40 - 14:40DUB-BOS
7h 00mdirect
€339Aer Lingus
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Sat, 11 Oct - Fri, 17 Oct

Iberia flights from Boston to Dublin

Our best Iberia deals on Boston to Dublin flight tickets
Iberia
9 Sept
BOS17:36Boston Logan Intl
13h 04m
1 stop
DUB11:40Dublin
19 Sept
DUB09:15Dublin
15h 35m
1 stop
BOS19:50Boston Logan Intl
€305
Find similar
Iberia
10 Sept
BOS17:36Boston Logan Intl
13h 04m
1 stop
DUB11:40Dublin
24 Sept
DUB09:30Dublin
12h 35m
1 stop
BOS17:05Boston Logan Intl
€309
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Iberia
13 Oct
BOS18:12Boston Logan Intl
31h 18m
1 stop
DUB06:30Dublin
22 Oct
DUB09:15Dublin
15h 35m
1 stop
BOS19:50Boston Logan Intl
€311
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United Airlines flights from Boston to Dublin

Our best United Airlines deals on Boston to Dublin flight tickets
United Airlines
7 Sept
BOS05:30Boston Logan Intl
23h 50m
1 stop
DUB10:20Dublin
16 Sept
DUB09:20Dublin
29h 10m
1 stop
BOS09:30Boston Logan Intl
€301
Find similar
United Airlines
24 Oct
BOS12:35Boston Logan Intl
16h 10m
1 stop
DUB09:45Dublin
1 Nov
DUB08:00Dublin
14h 02m
1 stop
BOS18:02Boston Logan Intl
€303
Find similar
United Airlines
22 Oct
BOS05:30Boston Logan Intl
23h 50m
1 stop
DUB10:20Dublin
29 Oct
DUB08:00Dublin
37h 50m
2 stops
BOS17:50Boston Logan Intl
€304
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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 25 August 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

Sun 9/11

17:35-11:45

2 stops13h 10m

Dublin

Sat 15/11

10:20-15:50

2 stops34h 30m

€299

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 5/9

19:15-10:05

1 stop9h 50m

Dublin

Sat 13/9

11:35-17:50

1 stop11h 15m

€300

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 7/9

05:30-10:20

1 stop23h 50m

Dublin

Thu 18/9

09:20-09:30

1 stop29h 10m

€301

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 24/10

12:35-09:45

1 stop16h 10m

Dublin

Sat 1/11

08:00-18:02

1 stop14h 02m

€303

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 5/1

15:40-07:10

2 stops34h 30m

Dublin

Mon 19/1

09:00-15:57

1 stop11h 57m

€305

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 9/9

17:36-11:40

1 stop13h 04m

Dublin

Fri 19/9

09:15-19:50

1 stop15h 35m

€305

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 10/9

17:36-11:40

1 stop13h 04m

Dublin

Wed 24/9

09:30-17:05

1 stop12h 35m

€309

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 8/9

15:15-07:45

1 stop11h 30m

Dublin

Thu 18/9

09:20-17:55

1 stop13h 35m

€312

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 17/9

17:30-04:30

Nonstop6h 00m

Dublin

Wed 24/9

16:45-18:45

Nonstop7h 00m

€335

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 11/10

21:25-08:25

Nonstop6h 00m

Dublin

Fri 17/10

12:40-14:40

Nonstop7h 00m

€339

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 February, then book flights to Dublin from Boston during November instead. Flights to Dublin in November, while not as cheap as those in February, still average around €418.

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 €425. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €809. 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 evening. Our users have found flights to Dublin in the evening for as low as €597. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €637 on average. Flights to Dublin from Boston in the afternoon 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 €486 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 €428 on momondo.

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

There are 2 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?

No. A direct flight is the cheapest option for a flight between Boston to Dublin.

How have Boston to Dublin flight prices changed over time?

As of August 2025, prices for Boston to Dublin flights are approximately 30% cheaper 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

€240

Fastest flight time

5h 55m

Direct flights

Every day

Airports in Dublin

1 airport
The best flight deal from Boston to Dublin found on momondo in the last 72 hours is €240
The fastest flight from Boston to Dublin takes 5h 55m
Direct flights go from Boston to Dublin every day.
There is 1 airport near Dublin: Dublin (DUB)
Search flight deals

  • 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 6h 00m, 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 €379Free CancellationRating
7.2
1,230 reviews
Search Aer Lingus flights

  • Aer Lingus Flights From Boston to Dublin

    Across 14 Aer Lingus flights from Boston to Dublin this week, the average price was €655, with the best Aer Lingus deals starting from €445 round-trip. 1,230 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
Enniscorthy
Tullamore
Kildare
Naas
Mullingar
Maynooth
Arklow
Bray
Drogheda
Gorey
Malahide
Carlingford
Portmarnock
Leixlip

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.

An easier way to manage your Dublin trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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