Cheap flights from Boston to Ireland from $199

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 10/24. 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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Lufthansa Logo
8:40 pm - 5:10 pmBOS-DUB
15h 30m1 stop
Lufthansa Logo
10:50 am - 6:35 pmDUB-BOS
12h 45m1 stop
$340Lufthansa
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Mon, Nov 3 - Mon, Nov 10
Multiple Airlines Logo
10:15 am - 12:30 pmBOS-DUB
21h 15m2 stops
Multiple Airlines Logo
9:00 am - 7:12 pmDUB-BOS
15h 12m2 stops
$341Multiple Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 23
Aer Lingus Logo
7:25 pm - 6:20 amBOS-SNN
5h 55mnonstop
Aer Lingus Logo
2:45 pm - 4:50 pmSNN-BOS
7h 05mnonstop
$342Aer Lingus
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Sun, Jan 18 - Sun, Jan 25
Aer Lingus Logo
8:15 am - 5:15 amBOS-DUB
16h 00m1 stop
Aer Lingus Logo
11:40 am - 1:55 pmDUB-BOS
7h 15mnonstop
$345Aer Lingus
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Sun, Nov 9 - Mon, Nov 17
Delta Logo
11:15 pm - 9:20 amBOS-DUB
6h 05mnonstop
Delta Logo
11:30 am - 1:40 pmDUB-BOS
7h 10mnonstop
$349Delta
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Tue, Oct 28 - Wed, Nov 12
Delta Logo
5:40 am - 7:45 amBOS-DUB
21h 05m1 stop
Delta Logo
11:30 am - 1:40 pmDUB-BOS
7h 10mnonstop
$353Delta
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Wed, Dec 3 - Wed, Dec 10
American Airlines Logo
8:10 pm - 3:15 pmBOS-ORK
14h 05m1 stop
American Airlines Logo
11:55 am - 7:45 pmORK-BOS
12h 50m1 stop
$397American Airlines
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Tue, Oct 21 - Wed, Dec 3
American Airlines Logo
8:10 pm - 7:50 pmBOS-ORK
18h 40m1 stop
American Airlines Logo
7:40 am - 9:55 pmORK-BOS
19h 15m1 stop
$398American Airlines
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Fri, Oct 17 - Sun, Nov 2
KLM Logo
8:50 pm - 4:45 pmBOS-ORK
14h 55m1 stop
KLM Logo
11:15 am - 6:55 pmORK-BOS
12h 40m1 stop
$405KLM
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Wed, Dec 3 - Wed, Dec 10
KLM Logo
8:50 pm - 4:45 pmBOS-ORK
14h 55m1 stop
KLM Logo
5:15 pm - 1:20 pmORK-BOS
25h 05m1 stop
$415KLM
Find Deal
Fri, Nov 7 - Tue, Nov 11

Aer Lingus flights from Boston to Ireland

Our best Aer Lingus deals on Boston to Ireland flight tickets
Aer Lingus
Jan 18
BOS7:25 pmBoston Logan Intl
5h 55m
SNN6:20 amShannon
Jan 25
SNN2:45 pmShannon
7h 05m
BOS4:50 pmBoston Logan Intl
Aer Lingus
Nov 9
BOS8:15 amBoston Logan Intl
16h 00m
1 stop
DUB5:15 amDublin
Nov 17
DUB11:40 amDublin
7h 15m
BOS1:55 pmBoston Logan Intl
Aer Lingus
Nov 11
BOS10:25 amBoston Logan Intl
13h 50m
1 stop
DUB5:15 amDublin
Nov 16
DUB4:45 pmDublin
7h 10m
BOS6:55 pmBoston Logan Intl

Air Canada flights from Boston to Ireland

Our best Air Canada deals on Boston to Ireland flight tickets
Air Canada
Nov 14
BOS10:45 amBoston Logan Intl
15h 25m
1 stop
DUB7:10 amDublin
Nov 17
DUB9:00 amDublin
18h 37m
1 stop
BOS10:37 pmBoston Logan Intl
Air Canada
Nov 13
BOS10:15 amBoston Logan Intl
15h 55m
2 stops
DUB7:10 amDublin
Nov 22
DUB9:00 amDublin
14h 02m
1 stop
BOS6:02 pmBoston Logan Intl
Air Canada
Mar 22
BOS5:30 amBoston Logan Intl
20h 40m
2 stops
DUB6:10 amDublin
Apr 2
DUB9:50 amDublin
11h 06m
1 stop
BOS3:56 pmBoston Logan Intl

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 October 1, 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

Mon 11/3

8:40 pm-5:10 pm

1 stop15h 30m

Dublin

Mon 11/10

10:50 am-6:35 pm

1 stop12h 45m

$340

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 11/13

10:15 am-12:30 pm

2 stops21h 15m

Dublin

Sun 11/23

9:00 am-7:12 pm

2 stops15h 12m

$341

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sun 1/18

7:25 pm-6:20 am

Nonstop5h 55m

Shannon

Sun 1/25

2:45 pm-4:50 pm

Nonstop7h 05m

$342

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 11/9

8:15 am-5:15 am

1 stop16h 00m

Dublin

Mon 11/17

11:40 am-1:55 pm

Nonstop7h 15m

$345

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 10/28

11:15 pm-9:20 am

Nonstop6h 05m

Dublin

Wed 11/12

11:30 am-1:40 pm

Nonstop7h 10m

$349

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 12/3

5:40 am-7:45 am

1 stop21h 05m

Dublin

Wed 12/10

11:30 am-1:40 pm

Nonstop7h 10m

$353

BostonCork

BOS - ORK

BOSORK

Boston Logan Intl

Tue 10/21

8:10 pm-3:15 pm

1 stop14h 05m

Cork

Wed 12/3

11:55 am-7:45 pm

1 stop12h 50m

$397

BostonCork

BOS - ORK

BOSORK

Boston Logan Intl

Fri 10/17

8:10 pm-7:50 pm

1 stop18h 40m

Cork

Sun 11/2

7:40 am-9:55 pm

1 stop19h 15m

$398

BostonCork

BOS - ORK

BOSORK

Boston Logan Intl

Wed 12/3

8:50 pm-4:45 pm

1 stop14h 55m

Cork

Wed 12/10

11:15 am-6:55 pm

1 stop12h 40m

$405

BostonCork

BOS - ORK

BOSORK

Boston Logan Intl

Fri 11/7

8:50 pm-4:45 pm

1 stop14h 55m

Cork

Tue 11/11

5:15 pm-1:20 pm

1 stop25h 05m

$415

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 $472. If you aren’t able to travel to Ireland during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $476.

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 $625. 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 $719. 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 $711.

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 $565 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 $508 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.

Can stopping save me money on Boston to Ireland flights?

No. A direct flight is the cheapest option for a flight between Boston to Ireland.

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 $401.
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)
  • 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
7,961 reviews
Search Delta flights
PLAYPriceFrom $282Free CancellationRating
7.0
103 reviews
Search PLAY flights
Air CanadaPriceFrom $347Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $353Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom $354Free CancellationRating
7.1
1,997 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $359Free CancellationRating
7.0
546 reviews
Search Icelandair flights
Aer LingusPriceFrom $368Free CancellationRating
7.2
1,307 reviews
Search Aer Lingus flights
Air FrancePriceFrom $370Free CancellationRating
7.4
1,468 reviews
Search Air France flights
SWISSPriceFrom $376Free CancellationRating
7.5
1,754 reviews
Search SWISS flights
JetBluePriceFrom $379Free CancellationRating
7.2
2,912 reviews
Search JetBlue 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.

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1 adult
Fri 10/31
Fri 11/7

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Popular flights according to clicks in the last 7 days on momondo