What is the cheapest airline that flies from Boston Logan Intl to Dublin?

LEVEL and Aer Lingus are the most popular carriers operating from Boston Logan Intl to Dublin

How many flights depart from Boston to Dublin on average per day?

As of December 2025, there are 11 flights per day flying from Boston to Dublin. The most common time of day flights depart is 17:00, with 54% of flights taking off in the afternoon.

How many flights depart from Boston to Dublin on average per week?

As of December 2025, 83 flights take off from Boston and land in Dublin each week. The most common flight departure day for this route is Tue, with 17% of weekly flights taking off on this day.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

How often are flights from Boston to Dublin delayed?

Historically, on average around 7% of flights between Boston and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 164 minutes.

What is the most punctual flight time for Boston to Dublin flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on Boston to Dublin flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

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?

As of December 2025, there is 1 operator available to choose from 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.

€189 Cheap Flights from Boston to Dublin in 2025/26

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16:45 - 08:45

BOS

DUB

11h 00m1 stop

11:30 - 13:55

DUB

BOS

7h 25mdirect

€296Delta

Sat, 21 Feb - Sat, 28 Feb

22:15 - 09:20

BOS

DUB

6h 05mdirect

11:30 - 13:55

DUB

BOS

7h 25mdirect

€297Delta

Sat, 21 Feb - Sat, 28 Feb

06:15 - 06:10

BOS

DUB

18h 55m1 stop

08:00 - 17:50

DUB

BOS

37h 50m2 stops

€298United Airlines

Sat, 7 Mar - Sun, 15 Mar

19:55 - 07:10

BOS

DUB

30h 15m1 stop

08:00 - 12:12

DUB

BOS

32h 12m1 stop

€299Air Canada

Wed, 4 Mar - Sun, 8 Mar

09:50 - 07:20

BOS

DUB

16h 30m1 stop

09:20 - 16:08

DUB

BOS

11h 48m1 stop

€300United Airlines

Mon, 4 May - Wed, 13 May

10:03 - 08:45

BOS

DUB

17h 42m1 stop

11:30 - 13:55

DUB

BOS

7h 25mdirect

€301Delta

Fri, 20 Feb - Thu, 26 Feb

16:35 - 08:15

BOS

DUB

10h 40m1 stop

09:50 - 15:56

DUB

BOS

11h 06m1 stop

€302United Airlines

Wed, 22 Apr - Tue, 28 Apr

10:15 - 07:10

BOS

DUB

15h 55m2 stops

05:10 - 14:52

DUB

BOS

14h 42m2 stops

€302Multiple Airlines

Tue, 17 Feb - Wed, 25 Feb

15:35 - 07:10

BOS

DUB

34h 35m2 stops

09:00 - 21:27

DUB

BOS

17h 27m2 stops

€303Air Canada

Wed, 25 Feb - Wed, 4 Mar

09:02 - 09:15

BOS

DUB

19h 13m1 stop

15:00 - 17:04

DUB

BOS

7h 04mdirect

€304Delta

Mon, 4 May - Tue, 12 May

United Airlines flights from Boston to Dublin

Our best United Airlines deals on Boston to Dublin flight tickets

United Airlines

2 Jan

BOS19:44Boston Logan Intl

9h 36m

1 stop

DUB10:20Dublin

18 Mar

DUB08:00Dublin

14h 02m

1 stop

BOS18:02Boston Logan Intl

€296

Find similar

United Airlines

7 Mar

BOS06:15Boston Logan Intl

18h 55m

1 stop

DUB06:10Dublin

15 Mar

DUB08:00Dublin

37h 50m

2 stops

BOS17:50Boston Logan Intl

€298

Find similar

United Airlines

4 May

BOS09:50Boston Logan Intl

16h 30m

1 stop

DUB07:20Dublin

13 May

DUB09:20Dublin

11h 48m

1 stop

BOS16:08Boston Logan Intl

€300

Find similar

Air Canada flights from Boston to Dublin

Our best Air Canada deals on Boston to Dublin flight tickets

Air Canada

4 Mar

BOS19:55Boston Logan Intl

30h 15m

1 stop

DUB07:10Dublin

8 Mar

DUB08:00Dublin

32h 12m

1 stop

BOS12:12Boston Logan Intl

€299

Find similar

Air Canada

25 Feb

BOS15:35Boston Logan Intl

34h 35m

2 stops

DUB07:10Dublin

4 Mar

DUB09:00Dublin

17h 27m

2 stops

BOS21:27Boston Logan Intl

€303

Find similar

Air Canada

5 Jan

BOS07:45Boston Logan Intl

19h 25m

1 stop

DUB08:10Dublin

13 Jan

DUB09:30Dublin

17h 22m

1 stop

BOS21:52Boston Logan Intl

€323

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Fly from

Fly to

Route

Depart

Return

Price

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 21/2

16:45-08:45

1 stop11h 00m

Dublin

Sat 28/2

11:30-13:55

Nonstop7h 25m

€296

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 21/2

22:15-09:20

Nonstop6h 05m

Dublin

Sat 28/2

11:30-13:55

Nonstop7h 25m

€297

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 7/3

06:15-06:10

1 stop18h 55m

Dublin

Sun 15/3

08:00-17:50

2 stops37h 50m

€298

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 4/3

19:55-07:10

1 stop30h 15m

Dublin

Sun 8/3

08:00-12:12

1 stop32h 12m

€299

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 4/5

09:50-07:20

1 stop16h 30m

Dublin

Wed 13/5

09:20-16:08

1 stop11h 48m

€300

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 20/2

10:03-08:45

1 stop17h 42m

Dublin

Thu 26/2

11:30-13:55

Nonstop7h 25m

€301

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 22/4

16:35-08:15

1 stop10h 40m

Dublin

Tue 28/4

09:50-15:56

1 stop11h 06m

€302

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 17/2

10:15-07:10

2 stops15h 55m

Dublin

Wed 25/2

05:10-14:52

2 stops14h 42m

€302

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 25/2

15:35-07:10

2 stops34h 35m

Dublin

Wed 4/3

09:00-21:27

2 stops17h 27m

€303

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 4/5

09:02-09:15

1 stop19h 13m

Dublin

Tue 12/5

15:00-17:04

Nonstop7h 04m

€304

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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

Prices

Airlines

Delays

Other information

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 €395.

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 €431. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €829. 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 €556. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €630 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 €470 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 €444 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 25% 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	€1,255
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 €1,255

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).

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 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?
As of December 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for flights between Boston and Dublin, the leading plane model is Boeing 767-300 (winglets), making up 23.56% of the total bookings. Other popular models include Airbus A330-300 with 23.52%, Airbus A321neo with 12.76%, and Airbus A330 with 12.12%.
What is the most popular airline from Boston to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to Dublin is Aer Lingus (100% of total bookings).

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 Lingus	PriceFrom €304	Free Cancellation	Rating 7.2 1,415 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 €431, with the best Aer Lingus deals starting from €304 round-trip. 1,415 users have rated Aer Lingus on momondo, with an average score of 7.2/10.

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Swords

Cavan

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Tullamore

Naas

Kildare

Enniscorthy

Bray

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Gorey

Malahide

Maynooth

Leixlip

Arklow

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.

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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Cheap flights from Boston to Dublin from €189

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 19/1. 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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Use the filters below to find and compare flights from Boston to Dublin that are best for you.

See travel insights to Dublin from

How to get the cheapest flight ticket from Boston to Dublin

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 €395.

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

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

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?

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 25% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Boston Logan Intl to Dublin?

LEVEL and Aer Lingus are the most popular carriers operating from Boston Logan Intl to Dublin

How often are flights from Boston to Dublin delayed?

Historically, on average around 7% of flights between Boston and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 164 minutes.

What is the most punctual flight time for Boston to Dublin flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Boston to Dublin flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

How many flights depart from Boston to Dublin on average per day?

As of December 2025, there are 11 flights per day flying from Boston to Dublin. The most common time of day flights depart is 17:00, with 54% of flights taking off in the afternoon.

How many flights depart from Boston to Dublin on average per week?

As of December 2025, 83 flights take off from Boston and land in Dublin each week. The most common flight departure day for this route is Tue, with 17% of weekly flights taking off on this day.

When to book flights from Boston to Dublin

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

Fastest flight time

Direct flights

Airports in Dublin

How far is Boston Logan Intl to Dublin by plane?

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

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?

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

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

Aer Lingus Flights From Boston to Dublin

Travelling to a place near Dublin?

Why use momondo?

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

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

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

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Airports servicing Ireland