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Cheap flights from Boston to Dublin from €141

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 8/10. 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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Cheap return flights

Air Canada Logo
15:20 - 07:45BOS-DUB
11h 25m1 stop
Air Canada Logo
09:20 - 18:00DUB-BOS
13h 40m1 stop
€267Air Canada
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Mon, 11 Aug - Tue, 19 Aug
Air Canada Logo
15:20 - 07:45BOS-DUB
11h 25m1 stop
Air Canada Logo
09:20 - 14:35DUB-BOS
10h 15m1 stop
€270Air Canada
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Mon, 11 Aug - Tue, 19 Aug
Air Canada Logo
10:35 - 07:45BOS-DUB
16h 10m2 stops
Air Canada Logo
09:20 - 18:08DUB-BOS
13h 48m2 stops
€272Air Canada
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Sun, 10 Aug - Tue, 19 Aug
United Airlines Logo
10:20 - 07:45BOS-DUB
16h 25m1 stop
United Airlines Logo
09:20 - 12:43DUB-BOS
32h 23m2 stops
€281United Airlines
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Mon, 11 Aug - Tue, 19 Aug
United Airlines Logo
15:20 - 07:45BOS-DUB
11h 25m1 stop
United Airlines Logo
09:20 - 12:43DUB-BOS
32h 23m2 stops
€281United Airlines
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Wed, 6 Aug - Thu, 21 Aug
JetBlue Logo
21:50 - 09:00BOS-DUB
6h 10mdirect
JetBlue Logo
10:40 - 12:51DUB-BOS
7h 11mdirect
€293JetBlue
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Mon, 11 Aug - Wed, 20 Aug
JetBlue Logo
21:50 - 09:00BOS-DUB
6h 10mdirect
JetBlue Logo
10:40 - 12:51DUB-BOS
7h 11mdirect
€293JetBlue
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Mon, 11 Aug - Tue, 19 Aug
Logo
06:15 - 07:10BOS-DUB
19h 55m1 stop
Logo
12:55 - 20:20DUB-BOS
12h 25m1 stop
€301
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Fri, 7 Nov - Tue, 11 Nov
Icelandair Logo
20:00 - 10:15BOS-DUB
9h 15m1 stop
Icelandair Logo
11:30 - 17:45DUB-BOS
11h 15m1 stop
€306Icelandair
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Sun, 2 Nov - Tue, 11 Nov
Logo
10:15 - 07:10BOS-DUB
15h 55m2 stops
Logo
18:35 - 20:20DUB-BOS
30h 45m1 stop
€311
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Sun, 23 Nov - Sat, 29 Nov

Air Canada flights from Boston to Dublin

Our best Air Canada deals on Boston to Dublin flight tickets
Air Canada
11 Aug
BOS15:20Boston Logan Intl
11h 25m
1 stop
DUB07:45Dublin
19 Aug
DUB09:20Dublin
13h 40m
1 stop
BOS18:00Boston Logan Intl
€267
Find similar
Air Canada
11 Aug
BOS15:20Boston Logan Intl
11h 25m
1 stop
DUB07:45Dublin
19 Aug
DUB09:20Dublin
10h 15m
1 stop
BOS14:35Boston Logan Intl
€270
Find similar
Air Canada
10 Aug
BOS10:35Boston Logan Intl
16h 10m
2 stops
DUB07:45Dublin
19 Aug
DUB09:20Dublin
13h 48m
2 stops
BOS18:08Boston Logan Intl
€272
Find similar

United Airlines flights from Boston to Dublin

Our best United Airlines deals on Boston to Dublin flight tickets
United Airlines
11 Aug
BOS10:20Boston Logan Intl
16h 25m
1 stop
DUB07:45Dublin
19 Aug
DUB09:20Dublin
32h 23m
2 stops
BOS12:43Boston Logan Intl
€281
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United Airlines
6 Aug
BOS15:20Boston Logan Intl
11h 25m
1 stop
DUB07:45Dublin
21 Aug
DUB09:20Dublin
32h 23m
2 stops
BOS12:43Boston Logan Intl
€281
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United Airlines
17 Nov
BOS05:30Boston Logan Intl
23h 50m
1 stop
DUB10:20Dublin
26 Nov
DUB09:00Dublin
29h 52m
1 stop
BOS09:52Boston Logan Intl
€283
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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 €421.

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

Our data shows that Tuesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €491. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around €747. 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 €599. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €638 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 €494 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 €457 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.

How have Boston to Dublin flight prices changed over time?

As of July 2025, prices for Boston to Dublin flights are approximately 39% 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

€141

Fastest flight time

6h 10m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from Boston in the past 72 hours is €141. The best return flight deal from Boston to Dublin found on momondo in the last 72 hours is €267.
The fastest flight from Boston to Dublin takes 6h 10m
Direct flights go from Boston to Dublin every day.
There is 1 airport near Dublin: Dublin (DUB)
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  • 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 10m, 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 €380Free CancellationRating
7.1
1,157 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 €606, with the best Aer Lingus deals starting from €445 round-trip. 1,154 users have rated Aer Lingus on momondo, with an average score of 7.1/10.

Travelling to a place near Dublin?

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

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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