Cheap flights from Boston to Dublin from $238

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 1/12. 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.
Delta Logo
10:15 pm - 9:20 am
BOS
-
DUB
6h 05mnonstop
Delta Logo
11:30 am - 2:40 pm
DUB
-
BOS
7h 10mnonstop
$349Delta
mar., mar. 3 - mar., mar. 10
United Airlines Logo
6:15 am - 6:10 am
BOS
-
DUB
18h 55m1 stop
United Airlines Logo
8:00 am - 5:50 pm
DUB
-
BOS
37h 50m2 stops
$350United Airlines
sáb., mar. 7 - sáb., mar. 14
Air Canada Logo
1:00 pm - 7:10 am
BOS
-
DUB
13h 10m1 stop
Air Canada Logo
8:00 am - 10:37 pm
DUB
-
BOS
18h 37m1 stop
$351Air Canada
vie., feb. 27 - dom., mar. 8
Multiple Airlines Logo
6:15 am - 7:10 am
BOS
-
DUB
19h 55m1 stop
Multiple Airlines Logo
10:50 am - 6:35 pm
DUB
-
BOS
12h 45m1 stop
$352Multiple Airlines
jue., ene. 8 - jue., ene. 15
Icelandair Logo
7:50 pm - 10:15 am
BOS
-
DUB
9h 25m1 stop
Icelandair Logo
11:30 am - 5:50 pm
DUB
-
BOS
11h 20m1 stop
$353Icelandair
mié., ene. 7 - mié., ene. 21
Air Canada Logo
1:00 pm - 7:10 am
BOS
-
DUB
13h 10m1 stop
Air Canada Logo
9:00 am - 7:42 pm
DUB
-
BOS
15h 42m2 stops
$354Air Canada
vie., ene. 16 - sáb., ene. 24
United Airlines Logo
2:27 pm - 7:10 am
BOS
-
DUB
35h 43m2 stops
United Airlines Logo
9:00 am - 5:50 pm
DUB
-
BOS
37h 50m2 stops
$355United Airlines
sáb., ene. 10 - dom., ene. 18
Multiple Airlines Logo
6:15 am - 6:10 am
BOS
-
DUB
18h 55m1 stop
Multiple Airlines Logo
8:00 am - 10:02 am
DUB
-
BOS
30h 02m1 stop
$356Multiple Airlines
sáb., mar. 7 - dom., mar. 15
Air Canada Logo
10:15 am - 7:10 am
BOS
-
DUB
15h 55m2 stops
Air Canada Logo
9:00 am - 7:42 pm
DUB
-
BOS
15h 42m2 stops
$357Air Canada
mar., feb. 17 - lun., feb. 23
United Airlines Logo
4:05 pm - 7:30 am
BOS
-
DUB
10h 25m1 stop
United Airlines Logo
9:00 am - 3:57 pm
DUB
-
BOS
11h 57m1 stop
$358United Airlines
sáb., ene. 17 - mié., ene. 21

Delta flights from Boston to Dublin

Our best Delta deals on Boston to Dublin flight tickets
Delta
Mar 20
BOS11:15 pmBoston Logan Intl
6h 05m
DUB9:20 amDublin
Mar 23
DUB11:30 amDublin
7h 10m
BOS2:40 pmBoston Logan Intl
Delta
Mar 2
BOS10:15 pmBoston Logan Intl
6h 05m
DUB9:20 amDublin
Mar 8
DUB10:45 amDublin
16h 09m
1 stop
BOS10:54 pmBoston Logan Intl
Delta
Mar 20
BOS11:15 pmBoston Logan Intl
6h 05m
DUB9:20 amDublin
Mar 23
DUB5:55 amDublin
18h 00m
1 stop
BOS7:55 pmBoston Logan Intl

JetBlue flights from Boston to Dublin

Our best JetBlue deals on Boston to Dublin flight tickets
JetBlue
Apr 26
BOS9:03 pmBoston Logan Intl
6h 17m
DUB8:20 amDublin
May 3
DUB10:40 amDublin
7h 12m
BOS12:52 pmBoston Logan Intl
JetBlue
May 25
BOS9:05 pmBoston Logan Intl
6h 15m
DUB8:20 amDublin
Jun 2
DUB10:40 amDublin
7h 12m
BOS12:52 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 diciembre 11, 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

mar. 3/3

10:15 pm-9:20 am

Nonstop6h 05m

Dublin

mar. 3/10

11:30 am-2:40 pm

Nonstop7h 10m

$349

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

sáb. 3/7

6:15 am-6:10 am

1 stop18h 55m

Dublin

sáb. 3/14

8:00 am-5:50 pm

2 stops37h 50m

$350

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

vie. 2/27

1:00 pm-7:10 am

1 stop13h 10m

Dublin

dom. 3/8

8:00 am-10:37 pm

1 stop18h 37m

$351

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

jue. 1/8

6:15 am-7:10 am

1 stop19h 55m

Dublin

jue. 1/15

10:50 am-6:35 pm

1 stop12h 45m

$352

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

mié. 1/7

7:50 pm-10:15 am

1 stop9h 25m

Dublin

mié. 1/21

11:30 am-5:50 pm

1 stop11h 20m

$353

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

vie. 1/16

1:00 pm-7:10 am

1 stop13h 10m

Dublin

sáb. 1/24

9:00 am-7:42 pm

2 stops15h 42m

$354

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

sáb. 1/10

2:27 pm-7:10 am

2 stops35h 43m

Dublin

dom. 1/18

9:00 am-5:50 pm

2 stops37h 50m

$355

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

sáb. 3/7

6:15 am-6:10 am

1 stop18h 55m

Dublin

dom. 3/15

8:00 am-10:02 am

1 stop30h 02m

$356

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

mar. 2/17

10:15 am-7:10 am

2 stops15h 55m

Dublin

lun. 2/23

9:00 am-7:42 pm

2 stops15h 42m

$357

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

sáb. 1/17

4:05 pm-7:30 am

1 stop10h 25m

Dublin

mié. 1/21

9:00 am-3:57 pm

1 stop11h 57m

$358

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, November 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 $449. If you’re not able to fly to Dublin in November, then February is your next best option. Flight prices from Boston to Dublin during February average around $472.

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 $610. Flights from Boston to Dublin on a Friday will generally be more expensive and average around $705. 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 $694.

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 $555 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 $523 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 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 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

$317

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 $317. The best round-trip flight deal from Boston to Dublin found on momondo in the last 72 hours is $436.
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).
  • 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 5h 55m 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
7,626 reviews
Search Lufthansa flights
PLAYPriceFrom $292Free CancellationRating
7.0
103 reviews
Search PLAY flights
Air CanadaPriceFrom $347Free CancellationRating
7.1
10,517 reviews
Search Air Canada flights
Aer LingusPriceFrom $348Free CancellationRating
7.2
1,394 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $350Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
Air FrancePriceFrom $352Free CancellationRating
7.4
1,504 reviews
Search Air France flights
IcelandairPriceFrom $356Free CancellationRating
7.0
589 reviews
Search Icelandair flights
JetBluePriceFrom $367Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights
DeltaPriceFrom $373Free CancellationRating
7.9
8,007 reviews
Search Delta flights
SWISSPriceFrom $376Free CancellationRating
7.5
1,810 reviews
Search SWISS flights
  • Delta Flights From Boston to Dublin

    Delta flight deals from Boston to Dublin start from $373 round-trip. Over the 3 Delta flights for this route in a normal week, average airfare is usually $595 round-trip - but some users have found much cheaper deals with momondo.

  • KLM Flights From Boston to Dublin

    The best KLM deal for Boston to Dublin flight tickets found on momondo in the last 72 hours was $437, round-trip. It should be noted that an average KLM flight deal for this route in this time was higher, at $655 round-trip. KLM operates 3 flights out of Boston into Dublin in an average week, so prices vary by time and availability. 1,432 KLM reviews by users on momondo have scored the airline at 7.7/10.

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
Kildare
Mullingar
Drogheda
Naas
Arklow
Cavan
Castleknock
Wicklow
Leixlip
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
sáb. 1/10
sáb. 1/17

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