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Cheap flights from Boston to Ireland from $214

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 Ireland departing on 12/5. 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 round-trip flights

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Multiple Airlines Logo
10:15 am - 7:10 amBOS-DUB
15h 55m2 stops
Multiple Airlines Logo
10:50 am - 6:35 pmDUB-BOS
12h 45m1 stop
$340Multiple Airlines
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Sun, Dec 7 - Thu, Dec 11
Multiple Airlines Logo
10:45 am - 7:10 amBOS-DUB
15h 25m1 stop
Multiple Airlines Logo
12:55 pm - 8:00 pmDUB-BOS
12h 05m1 stop
$341Multiple Airlines
Find Deal
Fri, Nov 28 - Thu, Dec 4
JetBlue Logo
9:03 pm - 8:20 amBOS-DUB
6h 17mnonstop
JetBlue Logo
10:40 am - 12:52 pmDUB-BOS
7h 12mnonstop
$343JetBlue
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Sun, Apr 26 - Sun, May 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 28 - Thu, Dec 4
Aer Lingus Logo
5:10 pm - 4:15 amBOS-DUB
6h 05mnonstop
Aer Lingus Logo
4:45 pm - 6:55 pmDUB-BOS
7h 10mnonstop
$346Aer Lingus
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Fri, Nov 28 - Fri, Dec 5
JetBlue Logo
6:40 pm - 9:00 amBOS-DUB
9h 20m1 stop
JetBlue Logo
10:40 am - 12:52 pmDUB-BOS
7h 12mnonstop
$347JetBlue
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Sun, May 3 - Wed, May 13
Delta Logo
10:05 pm - 9:20 amBOS-DUB
6h 15mnonstop
Delta Logo
11:30 am - 1:40 pmDUB-BOS
7h 10mnonstop
$349Delta
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Thu, Dec 4 - Mon, Dec 8
American Airlines Logo
9:50 pm - 3:10 pmBOS-ORK
12h 20m1 stop
American Airlines Logo
7:20 am - 7:50 pmORK-BOS
17h 30m2 stops
$391American Airlines
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Tue, Apr 14 - Thu, Apr 30
American Airlines Logo
7:30 pm - 3:10 pmBOS-ORK
14h 40m1 stop
American Airlines Logo
11:45 am - 8:05 pmORK-BOS
13h 20m1 stop
$396American Airlines
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Tue, Apr 14 - Thu, Apr 30
Delta Logo
9:59 am - 10:45 amBOS-ORK
19h 46m2 stops
Delta Logo
5:15 pm - 1:20 pmORK-BOS
25h 05m1 stop
$404Delta
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Mon, Nov 24 - Sun, Dec 7

JetBlue flights from Boston to Ireland

Our best JetBlue deals on Boston to Ireland 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
$343
Find similar
JetBlue
May 3
BOS6:40 pmBoston Logan Intl
9h 20m
1 stop
DUB9:00 amDublin
May 13
DUB10:40 amDublin
7h 12m
BOS12:52 pmBoston Logan Intl
$347
Find similar
JetBlue
Apr 25
BOS9:03 pmBoston Logan Intl
6h 17m
DUB8:20 amDublin
May 3
DUB10:40 amDublin
7h 12m
BOS12:52 pmBoston Logan Intl
$356
Find similar

United Airlines flights from Boston to Ireland

Our best United Airlines deals on Boston to Ireland flight tickets
United Airlines
May 4
BOS6:00 amBoston Logan Intl
23h 20m
1 stop
DUB10:20 amDublin
May 10
DUB9:50 amDublin
36h 47m
2 stops
BOS5:37 pmBoston Logan Intl
$342
Find similar
United Airlines
Nov 18
BOS3:10 pmBoston Logan Intl
12h 00m
1 stop
DUB8:10 amDublin
Nov 23
DUB9:00 amDublin
18h 37m
1 stop
BOS10:37 pmBoston Logan Intl
$344
Find similar
United Airlines
Nov 28
BOS5:14 pmBoston Logan Intl
11h 41m
1 stop
DUB9:55 amDublin
Dec 3
DUB9:00 amDublin
11h 57m
1 stop
BOS3:57 pmBoston Logan Intl
$348
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momondo Fare Finder

 
Customize your flight search to find flights from Boston to Ireland 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 November 13, 2025.
Use the filters below to find and compare flights from Boston to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 12/7

10:15 am-7:10 am

2 stops15h 55m

Dublin

Thu 12/11

10:50 am-6:35 pm

1 stop12h 45m

$340

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 11/28

10:45 am-7:10 am

1 stop15h 25m

Dublin

Thu 12/4

12:55 pm-8:00 pm

1 stop12h 05m

$341

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 4/26

9:03 pm-8:20 am

Nonstop6h 17m

Dublin

Sun 5/3

10:40 am-12:52 pm

Nonstop7h 12m

$343

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 11/28

9:20 pm-8:20 am

Nonstop6h 00m

Dublin

Thu 12/4

4:45 pm-6:55 pm

Nonstop7h 10m

$344

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 11/28

5:10 pm-4:15 am

Nonstop6h 05m

Dublin

Fri 12/5

4:45 pm-6:55 pm

Nonstop7h 10m

$346

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 5/3

6:40 pm-9:00 am

1 stop9h 20m

Dublin

Wed 5/13

10:40 am-12:52 pm

Nonstop7h 12m

$347

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 12/4

10:05 pm-9:20 am

Nonstop6h 15m

Dublin

Mon 12/8

11:30 am-1:40 pm

Nonstop7h 10m

$349

BostonCork

BOS - ORK

BOSORK

Boston Logan Intl

Tue 4/14

9:50 pm-3:10 pm

1 stop12h 20m

Cork

Thu 4/30

7:20 am-7:50 pm

2 stops17h 30m

$391

BostonCork

BOS - ORK

BOSORK

Boston Logan Intl

Tue 4/14

7:30 pm-3:10 pm

1 stop14h 40m

Cork

Thu 4/30

11:45 am-8:05 pm

1 stop13h 20m

$396

BostonCork

BOS - ORK

BOSORK

Boston Logan Intl

Mon 11/24

9:59 am-10:45 am

2 stops19h 46m

Cork

Sun 12/7

5:15 pm-1:20 pm

1 stop25h 05m

$404

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 Ireland from

How to get the cheapest flight ticket from Boston to Ireland

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 Ireland?

In general, February is the cheapest month to fly from Boston to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $476. If you aren’t able to travel to Ireland during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $483.

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

The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as $617. This is often the case because there is less demand to fly during this day of the week. Flights from Boston to Ireland on a Friday will generally be more expensive and average around $710. 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 Ireland?

According to our data, the cheapest time of day to fly to Ireland is at noon. momondo users have found flights departing from Boston to Ireland at noon for as low as $476. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around $703.

What is the cheapest Boston Logan Intl to Ireland flight route?

Fly from Boston Logan Intl to Shannon for the best Boston Logan Intl - Ireland flight prices

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $560 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Boston for as low as $513 on momondo.

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

There are 4 cabin classes available to choose from on Boston Logan Intl to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Boston to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Ireland

Best Price Found

$268

Fastest flight time

5h 50m

Direct flights

Every day

Airports in Ireland

2 airports
The best one-way flight to Ireland from Boston in the past 72 hours is $268. The best round-trip flight deal from Boston to Ireland found on momondo in the last 72 hours is $402.
The fastest flight from Boston to Ireland takes 5h 50m
Direct flights go from Boston to Ireland every day.
There are 2 airports near Ireland: Dublin (DUB), Shannon (SNN)
Search flight deals

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

    Prices for flights from Boston Logan Intl Airport to Ireland are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Ireland?

  • How old do you have to be to fly from Boston Logan Intl Airport to Ireland?

    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 Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Ireland?

Best airlines flying from Boston to Ireland

Compare and see reviews for airlines that fly from Boston to Ireland with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $244Free CancellationRating
7.9
8,007 reviews
Search Delta flights
PLAYPriceFrom $292Free CancellationRating
7.0
103 reviews
Search PLAY flights
Air CanadaPriceFrom $347Free CancellationRating
7.1
10,444 reviews
Search Air Canada flights
Aer LingusPriceFrom $349Free CancellationRating
7.2
1,370 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $351Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom $354Free CancellationRating
7.1
2,059 reviews
Search TAP AIR PORTUGAL flights
Air FrancePriceFrom $355Free CancellationRating
7.4
1,486 reviews
Search Air France flights
IcelandairPriceFrom $358Free CancellationRating
7.1
578 reviews
Search Icelandair flights
JetBluePriceFrom $375Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
SWISSPriceFrom $376Free CancellationRating
7.5
1,784 reviews
Search SWISS flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Ireland. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once all potential Boston to Ireland 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 Ireland right now. Can momondo alert me if prices change?

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

An easier way to manage your Ireland trip

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