Cheap flights from Boston to Dublin from $215

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 3/24. 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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Enter your travel dates to find the best prices.
KLM Logo
10:15 pm - 9:20 am
BOS
-
DUB
6h 05mnonstop
KLM Logo
11:30 am - 1:55 pm
DUB
-
BOS
7h 25mnonstop
$350KLM
Sat, Feb 21 - Sat, Feb 28
United Airlines Logo
9:30 am - 8:10 am
BOS
-
DUB
17h 40m
1 stop
United Airlines Logo
9:00 am - 5:50 pm
DUB
-
BOS
37h 50m
2 stops
$351United Airlines
Tue, Feb 10 - Sun, Feb 15
Delta Logo
11:50 am - 7:45 am
BOS
-
DUB
14h 55m
1 stop
Delta Logo
11:30 am - 1:55 pm
DUB
-
BOS
7h 25mnonstop
$352Delta
Sat, Feb 21 - Sat, Feb 28
Multiple Airlines Logo
6:40 pm - 6:10 am
BOS
-
DUB
31h 30m
2 stops
Multiple Airlines Logo
6:35 pm - 9:20 pm
DUB
-
BOS
30h 45m
1 stop
$353Multiple Airlines
Thu, Mar 19 - Wed, Mar 25
Delta Logo
11:30 pm - 10:45 am
BOS
-
DUB
6h 15mnonstop
Delta Logo
3:00 pm - 5:04 pm
DUB
-
BOS
7h 04mnonstop
$354Delta
Mon, Mar 30 - Tue, Apr 7
United Airlines Logo
5:45 am - 7:20 am
BOS
-
DUB
20h 35m
1 stop
United Airlines Logo
9:50 am - 5:59 pm
DUB
-
BOS
13h 09m
1 stop
$355United Airlines
Mon, May 4 - Tue, May 12
Multiple Airlines Logo
10:40 am - 8:15 am
BOS
-
DUB
16h 35m
2 stops
Multiple Airlines Logo
6:35 pm - 3:10 pm
DUB
-
BOS
25h 35m
1 stop
$356Multiple Airlines
Sun, Apr 12 - Mon, Apr 20
United Airlines Logo
7:19 pm - 10:20 am
BOS
-
DUB
10h 01m
1 stop
United Airlines Logo
12:05 pm - 10:46 pm
DUB
-
BOS
15h 41m
2 stops
$357United Airlines
Sat, Feb 21 - Sat, Feb 28
Air Canada Logo
1:00 pm - 7:10 am
BOS
-
DUB
13h 10m
1 stop
Air Canada Logo
9:00 am - 7:12 pm
DUB
-
BOS
15h 12m
2 stops
$358Air Canada
Thu, Feb 26 - Mon, Mar 2
Delta Logo
8:05 am - 7:55 am
BOS
-
DUB
18h 50m
1 stop
Delta Logo
3:00 pm - 5:04 pm
DUB
-
BOS
7h 04mnonstop
$359Delta
Sun, Apr 12 - Tue, Apr 21

United Airlines flights from Boston to Dublin

Our best United Airlines deals on Boston to Dublin flight tickets
United Airlines
Feb 21
BOS4:15 pmBoston Logan Intl
10h 15m
1 stop
DUB7:30 amDublin
Feb 28
DUB9:00 amDublin
11h 57m
1 stop
BOS3:57 pmBoston Logan Intl
$350
United Airlines
May 4
BOS5:45 amBoston Logan Intl
20h 35m
1 stop
DUB7:20 amDublin
May 12
DUB9:50 amDublin
17h 49m
1 stop
BOS10:39 pmBoston Logan Intl
$355
United Airlines
Feb 4
BOS12:45 pmBoston Logan Intl
13h 45m
2 stops
DUB7:30 amDublin
Feb 8
DUB9:00 amDublin
11h 57m
1 stop
BOS3:57 pmBoston Logan Intl
$356

Aer Lingus flights from Boston to Dublin

Our best Aer Lingus deals on Boston to Dublin flight tickets
Aer Lingus
Feb 5
BOS5:10 pmBoston Logan Intl
6h 05m
DUB4:15 amDublin
Feb 9
DUB11:40 amDublin
7h 15m
BOS1:55 pmBoston Logan Intl
$423
Aer Lingus
Feb 2
BOS9:15 pmBoston Logan Intl
6h 05m
DUB8:20 amDublin
Feb 9
DUB4:45 pmDublin
7h 14m
BOS6:59 pmBoston Logan Intl
$424
Aer Lingus
Feb 2
BOS5:10 pmBoston Logan Intl
6h 05m
DUB4:15 amDublin
Feb 9
DUB4:45 pmDublin
7h 14m
BOS6:59 pmBoston Logan Intl
$434

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 January 26, 2026.
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

Sat 2/21

10:15 pm-9:20 am

Nonstop6h 05m

Dublin

Sat 2/28

11:30 am-1:55 pm

Nonstop7h 25m

$350

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 2/10

9:30 am-8:10 am

1 stop17h 40m

Dublin

Sun 2/15

9:00 am-5:50 pm

2 stops37h 50m

$351

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 2/21

11:50 am-7:45 am

1 stop14h 55m

Dublin

Sat 2/28

11:30 am-1:55 pm

Nonstop7h 25m

$352

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 3/19

6:40 pm-6:10 am

2 stops31h 30m

Dublin

Wed 3/25

6:35 pm-9:20 pm

1 stop30h 45m

$353

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 3/30

11:30 pm-10:45 am

Nonstop6h 15m

Dublin

Tue 4/7

3:00 pm-5:04 pm

Nonstop7h 04m

$354

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 5/4

5:45 am-7:20 am

1 stop20h 35m

Dublin

Tue 5/12

9:50 am-5:59 pm

1 stop13h 09m

$355

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 4/12

10:40 am-8:15 am

2 stops16h 35m

Dublin

Mon 4/20

6:35 pm-3:10 pm

1 stop25h 35m

$356

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 2/21

7:19 pm-10:20 am

1 stop10h 01m

Dublin

Sat 2/28

12:05 pm-10:46 pm

2 stops15h 41m

$357

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 2/26

1:00 pm-7:10 am

1 stop13h 10m

Dublin

Mon 3/2

9:00 am-7:12 pm

2 stops15h 12m

$358

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 4/12

8:05 am-7:55 am

1 stop18h 50m

Dublin

Tue 4/21

3:00 pm-5:04 pm

Nonstop7h 04m

$359

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 $445. 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 $452.

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 $590. Flights from Boston to Dublin on a Friday will generally be more expensive and average around $683. 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?

In the evening is the cheapest time of day to fly from Boston to Dublin when you can find flight prices for as low as $600. Flying to Dublin in the evening 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 $677.

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 $541 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 $516 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 January 2026, prices for Boston to Dublin flights are approximately 2% 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

$325

Fastest flight time

6h 00m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from Boston in the past 72 hours is $325. The best round-trip flight deal from Boston to Dublin found on momondo in the last 72 hours is $452.
The fastest flight from Boston to Dublin takes 6h 00m
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?

    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
LufthansaPriceFrom $246Free CancellationRating
6.8
7,748 reviews
Search Lufthansa flights
PLAYPriceFrom $296Free CancellationRating
7.0
103 reviews
Search PLAY flights
JetBluePriceFrom $345Free CancellationRating
7.2
2,890 reviews
Search JetBlue flights
Aer LingusPriceFrom $347Free CancellationRating
7.2
1,442 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $347Free CancellationRating
7.4
9,204 reviews
Search United Airlines flights
Air CanadaPriceFrom $347Free CancellationRating
7.1
10,660 reviews
Search Air Canada flights
Air FrancePriceFrom $349Free CancellationRating
7.4
1,526 reviews
Search Air France flights
DeltaPriceFrom $354Free CancellationRating
7.9
8,118 reviews
Search Delta flights
IcelandairPriceFrom $354Free CancellationRating
7.1
603 reviews
Search Icelandair flights
SWISSPriceFrom $376Free CancellationRating
7.6
1,861 reviews
Search SWISS flights
  • JetBlue Flights From Boston to Dublin

    JetBlue flight deals from Boston to Dublin start from $345 round-trip. Over the 14 JetBlue flights for this route in a normal week, average airfare is usually $596 round-trip - but some users have found much cheaper deals with momondo.

  • Aer Lingus Flights From Boston to Dublin

    The best Aer Lingus deal for Boston to Dublin flight tickets found on momondo in the last 72 hours was $347, round-trip. It should be noted that an average Aer Lingus flight deal for this route in this time was higher, at $561 round-trip. Aer Lingus operates 14 flights out of Boston into Dublin in an average week, so prices vary by time and availability. 1,442 Aer Lingus 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
Swords
Athlone
Dundalk
Malahide
Mullingar
Bray
Kildare
Wicklow
Drogheda
Portmarnock
Arklow
Castleknock
Naas
Leixlip
Carlingford
Cavan
Maynooth
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
Wed 2/25
Wed 3/4

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