Cheap flights from Boston to Dublin from $224

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 1/28. 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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United Airlines Logo
5:30 am - 10:20 amBOS-DUB
23h 50m1 stop
United Airlines Logo
9:00 am - 5:50 pmDUB-BOS
37h 50m2 stops
$338United Airlines
Find Deal
Wed, Dec 3 - Mon, Dec 8
SWISS Logo
9:50 pm - 12:05 pmBOS-DUB
33h 15m1 stop
SWISS Logo
12:55 pm - 8:20 pmDUB-BOS
12h 25m1 stop
$339SWISS
Find Deal
Tue, Nov 11 - Tue, Nov 18
SWISS Logo
9:50 pm - 12:05 pmBOS-DUB
33h 15m1 stop
SWISS Logo
12:55 pm - 8:20 pmDUB-BOS
12h 25m1 stop
$340SWISS
Find Deal
Tue, Nov 11 - Tue, Nov 18
Aer Lingus Logo
5:10 pm - 4:15 amBOS-DUB
6h 05mnonstop
Aer Lingus Logo
4:45 pm - 6:55 pmDUB-BOS
7h 10mnonstop
$342Aer Lingus
Find Deal
Mon, Nov 24 - Wed, Dec 3
Aer Lingus Logo
9:20 pm - 8:20 amBOS-DUB
6h 00mnonstop
Aer Lingus Logo
4:45 pm - 6:55 pmDUB-BOS
7h 10mnonstop
$344Aer Lingus
Find Deal
Fri, Nov 14 - Thu, Nov 20
Delta Logo
10:05 pm - 9:20 amBOS-DUB
6h 15mnonstop
Delta Logo
11:30 am - 1:40 pmDUB-BOS
7h 10mnonstop
$349Delta
Find Deal
Tue, Dec 2 - Wed, Dec 10
Delta Logo
5:45 am - 7:45 amBOS-DUB
21h 00m1 stop
Delta Logo
11:30 am - 1:40 pmDUB-BOS
7h 10mnonstop
$354Delta
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Tue, Dec 2 - Fri, Dec 19
Icelandair Logo
7:50 pm - 10:15 amBOS-DUB
9h 25m1 stop
Icelandair Logo
11:30 am - 11:35 amDUB-BOS
28h 05m1 stop
$356Icelandair
Find Deal
Tue, Mar 3 - Tue, Mar 10
Icelandair Logo
7:50 pm - 10:15 amBOS-DUB
9h 25m1 stop
Icelandair Logo
2:15 pm - 6:50 pmDUB-BOS
9h 35m1 stop
$360Icelandair
Find Deal
Tue, Jan 13 - Sat, May 16
KLM Logo
5:00 pm - 8:45 amBOS-DUB
10h 45m1 stop
KLM Logo
1:25 pm - 10:24 pmDUB-BOS
13h 59m2 stops
$374KLM
Find Deal
Fri, Nov 14 - Thu, Nov 20

United Airlines flights from Boston to Dublin

Our best United Airlines deals on Boston to Dublin flight tickets
United Airlines
Dec 3
BOS5:30 amBoston Logan Intl
23h 50m
1 stop
DUB10:20 amDublin
Dec 8
DUB9:00 amDublin
37h 50m
2 stops
BOS5:50 pmBoston Logan Intl
United Airlines
Dec 1
BOS6:24 pmBoston Logan Intl
10h 31m
1 stop
DUB9:55 amDublin
Dec 10
DUB9:00 amDublin
18h 37m
1 stop
BOS10:37 pmBoston Logan Intl
United Airlines
Nov 30
BOS6:15 amBoston Logan Intl
19h 55m
1 stop
DUB7:10 amDublin
Dec 15
DUB9:00 amDublin
18h 37m
1 stop
BOS10:37 pmBoston Logan Intl

Aer Lingus flights from Boston to Dublin

Our best Aer Lingus deals on Boston to Dublin flight tickets
Aer Lingus
Nov 24
BOS5:10 pmBoston Logan Intl
6h 05m
DUB4:15 amDublin
Dec 3
DUB4:45 pmDublin
7h 10m
BOS6:55 pmBoston Logan Intl
Aer Lingus
Nov 14
BOS9:20 pmBoston Logan Intl
6h 00m
DUB8:20 amDublin
Nov 20
DUB4:45 pmDublin
7h 10m
BOS6:55 pmBoston Logan Intl
Aer Lingus
Dec 3
BOS9:20 pmBoston Logan Intl
6h 00m
DUB8:20 amDublin
Dec 17
DUB11:40 amDublin
7h 10m
BOS1:50 pmBoston Logan Intl

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated October 31, 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 12/3

5:30 am-10:20 am

1 stop23h 50m

Dublin

Mon 12/8

9:00 am-5:50 pm

2 stops37h 50m

$338

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 11/11

9:50 pm-12:05 pm

1 stop33h 15m

Dublin

Tue 11/18

12:55 pm-8:20 pm

1 stop12h 25m

$339

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 11/11

9:50 pm-12:05 pm

1 stop33h 15m

Dublin

Tue 11/18

12:55 pm-8:20 pm

1 stop12h 25m

$340

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 11/24

5:10 pm-4:15 am

Nonstop6h 05m

Dublin

Wed 12/3

4:45 pm-6:55 pm

Nonstop7h 10m

$342

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 11/14

9:20 pm-8:20 am

Nonstop6h 00m

Dublin

Thu 11/20

4:45 pm-6:55 pm

Nonstop7h 10m

$344

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 12/2

10:05 pm-9:20 am

Nonstop6h 15m

Dublin

Wed 12/10

11:30 am-1:40 pm

Nonstop7h 10m

$349

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 12/2

5:45 am-7:45 am

1 stop21h 00m

Dublin

Fri 12/19

11:30 am-1:40 pm

Nonstop7h 10m

$354

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 3/3

7:50 pm-10:15 am

1 stop9h 25m

Dublin

Tue 3/10

11:30 am-11:35 am

1 stop28h 05m

$356

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 1/13

7:50 pm-10:15 am

1 stop9h 25m

Dublin

Sat 5/16

2:15 pm-6:50 pm

1 stop9h 35m

$360

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 11/14

5:00 pm-8:45 am

1 stop10h 45m

Dublin

Thu 11/20

1:25 pm-10:24 pm

2 stops13h 59m

$374

Flights are sorted by cheapest round-trip 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?

In general, February is the cheapest month to fly from Boston to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $472. If you’re not able to fly to Dublin in February, then November is your next best option. Flight prices from Boston to Dublin during November average around $487.

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

The cheapest day to depart from Boston to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $619. Flights from Boston to Dublin on a Friday will generally be more expensive and average around $712. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

At noon is the cheapest time of day to fly from Boston to Dublin when you can find flight prices for as low as $476. Flying to Dublin at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $706.

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 $564 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Boston for as low as $510 on momondo.

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

There are 4 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 October 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 round-trip 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

$315

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 $315. The best round-trip flight deal from Boston to Dublin found on momondo in the last 72 hours is $401.
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)
  • How far is Boston Logan Intl to Dublin by plane?

    A flight from Boston Logan Intl to Dublin will travel around 2986.1 mi. Typically, this will take 6h 00m by plane in normal conditions.

  • 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 refreshed on a daily basis.

  • 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 necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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
PLAYPriceFrom $291Free CancellationRating
7.0
103 reviews
Search PLAY flights
Air CanadaPriceFrom $347Free CancellationRating
7.1
10,385 reviews
Search Air Canada flights
United AirlinesPriceFrom $353Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom $354Free CancellationRating
7.1
2,041 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $356Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
Air FrancePriceFrom $358Free CancellationRating
7.4
1,482 reviews
Search Air France flights
IcelandairPriceFrom $359Free CancellationRating
7.1
562 reviews
Search Icelandair flights
SWISSPriceFrom $376Free CancellationRating
7.5
1,777 reviews
Search SWISS flights
JetBluePriceFrom $376Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
DeltaPriceFrom $377Free CancellationRating
7.9
7,998 reviews
Search Delta flights
  • Aer Lingus Flights From Boston to Dublin

    Aer Lingus flight deals from Boston to Dublin start from $356 round-trip. Over the 7 Aer Lingus flights for this route in a normal week, average airfare is usually $581 round-trip - but some users have found much cheaper deals with momondo.

  • JetBlue Flights From Boston to Dublin

    The best JetBlue deal for Boston to Dublin flight tickets found on momondo in the last 72 hours was $376, round-trip. It should be noted that an average JetBlue flight deal for this route in this time was higher, at $645 round-trip. JetBlue operates 7 flights out of Boston into Dublin in an average week, so prices vary by time and availability. 2,906 JetBlue reviews by users on momondo have scored the airline at 7.2/10.

Traveling to a place near Dublin?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Dublin from Boston.

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

All flight searches from Boston to Dublin on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Boston to Dublin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Boston to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Sun 11/30
Sun 12/7

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