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Cheap flights from Boston to Ireland from €189

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 22/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
18:30 - 05:25
BOS
-
SNN
5h 55mdirect
Aer Lingus Logo
13:45 - 15:40
SNN
-
BOS
6h 55mdirect
€291Aer Lingus
Wed, 22 Apr - Wed, 29 Apr
Aer Lingus Logo
18:30 - 05:25
BOS
-
SNN
5h 55mdirect
Aer Lingus Logo
13:45 - 15:40
SNN
-
BOS
6h 55mdirect
€294Aer Lingus
Wed, 8 Apr - Wed, 15 Apr
Delta Logo
22:15 - 09:20
BOS
-
DUB
6h 05mdirect
Delta Logo
11:30 - 13:40
DUB
-
BOS
7h 10mdirect
€295Delta
Wed, 25 Feb - Sun, 1 Mar
United Airlines Logo
16:15 - 07:30
BOS
-
DUB
10h 15m
1 stop
United Airlines Logo
09:00 - 18:02
DUB
-
BOS
14h 02m
1 stop
€296United Airlines
Sat, 21 Feb - Sat, 28 Feb
Delta Logo
11:50 - 07:45
BOS
-
DUB
14h 55m
1 stop
Delta Logo
11:30 - 13:40
DUB
-
BOS
7h 10mdirect
€296Delta
Sat, 21 Feb - Sun, 1 Mar
United Airlines Logo
16:15 - 10:20
BOS
-
DUB
13h 05m
2 stops
United Airlines Logo
09:00 - 21:51
DUB
-
BOS
17h 51m
2 stops
€297United Airlines
Sat, 21 Feb - Sun, 1 Mar
JetBlue Logo
21:02 - 08:20
BOS
-
DUB
6h 18mdirect
JetBlue Logo
10:40 - 12:39
DUB
-
BOS
6h 59mdirect
€298JetBlue
Wed, 22 Apr - Wed, 29 Apr
Aer Lingus Logo
18:30 - 05:25
BOS
-
SNN
5h 55mdirect
Aer Lingus Logo
13:45 - 15:40
SNN
-
BOS
6h 55mdirect
€298Aer Lingus
Wed, 8 Apr - Wed, 15 Apr
United Airlines Logo
06:15 - 07:10
BOS
-
DUB
19h 55m
1 stop
United Airlines Logo
08:00 - 17:50
DUB
-
BOS
37h 50m
2 stops
€299United Airlines
Fri, 27 Feb - Sun, 8 Mar
Air Canada Logo
18:40 - 07:10
BOS
-
DUB
31h 30m
2 stops
Air Canada Logo
08:00 - 12:12
DUB
-
BOS
32h 12m
1 stop
€301Air Canada
Wed, 4 Mar - Sun, 8 Mar

United Airlines flights from Boston to Ireland

Our best United Airlines deals on Boston to Ireland flight tickets
United Airlines
21 Feb
BOS16:15Boston Logan Intl
13h 05m
2 stops
DUB10:20Dublin
1 Mar
DUB09:00Dublin
17h 51m
2 stops
BOS21:51Boston Logan Intl
€297
United Airlines
21 Feb
BOS16:15Boston Logan Intl
13h 05m
2 stops
DUB10:20Dublin
1 Mar
DUB09:00Dublin
17h 51m
2 stops
BOS21:51Boston Logan Intl
€298
United Airlines
27 Feb
BOS13:00Boston Logan Intl
13h 10m
1 stop
DUB07:10Dublin
6 Mar
DUB09:00Dublin
37h 50m
2 stops
BOS17:50Boston Logan Intl
€299

KLM flights from Boston to Ireland

Our best KLM deals on Boston to Ireland flight tickets
KLM
23 Feb
BOS22:15Boston Logan Intl
6h 05m
DUB09:20Dublin
4 Mar
DUB11:30Dublin
7h 10m
BOS13:40Boston Logan Intl
€295
KLM
23 Feb
BOS17:05Boston Logan Intl
10h 40m
1 stop
DUB08:45Dublin
2 Mar
DUB11:30Dublin
7h 10m
BOS13:40Boston Logan Intl
€299
KLM
21 Feb
BOS22:15Boston Logan Intl
6h 05m
DUB09:20Dublin
28 Feb
DUB10:45Dublin
12h 36m
1 stop
BOS18:21Boston Logan Intl
€303

momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 10 February 2026.
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

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 22/4

18:30-05:25

Nonstop5h 55m

Shannon

Wed 29/4

13:45-15:40

Nonstop6h 55m

€291

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 8/4

18:30-05:25

Nonstop5h 55m

Shannon

Wed 15/4

13:45-15:40

Nonstop6h 55m

€294

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 25/2

22:15-09:20

Nonstop6h 05m

Dublin

Sun 1/3

11:30-13:40

Nonstop7h 10m

€295

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 21/2

16:15-07:30

1 stop10h 15m

Dublin

Sat 28/2

09:00-18:02

1 stop14h 02m

€296

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 21/2

11:50-07:45

1 stop14h 55m

Dublin

Sun 1/3

11:30-13:40

Nonstop7h 10m

€296

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 21/2

16:15-10:20

2 stops13h 05m

Dublin

Sun 1/3

09:00-21:51

2 stops17h 51m

€297

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 22/4

21:02-08:20

Nonstop6h 18m

Dublin

Wed 29/4

10:40-12:39

Nonstop6h 59m

€298

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 8/4

18:30-05:25

Nonstop5h 55m

Shannon

Wed 15/4

13:45-15:40

Nonstop6h 55m

€298

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 27/2

06:15-07:10

1 stop19h 55m

Dublin

Sun 8/3

08:00-17:50

2 stops37h 50m

€299

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 4/3

18:40-07:10

2 stops31h 30m

Dublin

Sun 8/3

08:00-12:12

1 stop32h 12m

€301

Flights are sorted by cheapest return 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?

The month of February is another great option to travel to Ireland, with average flight prices from Boston averaging around €357.

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 Sunday when prices can be found for as low as €410. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around €796. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

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

In the afternoon is the cheapest time of day to fly from Boston to Ireland when you can find flight prices for as low as €483. Flying to Ireland in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the evening when prices are around €590.

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

Fly from Boston Logan Intl to Dublin 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 €444 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Boston for as low as €437 on momondo.

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

There are 3 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

Fastest flight time

5h 55m

Direct flights

Every day

Airports in Ireland

77 airports
The fastest flight from Boston to Ireland takes 5h 55m
Direct flights go from Boston to Ireland every day.
There are 77 airports in Ireland. From Boston there are direct flights to 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 were last updated today.

  • 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Ireland.

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

    The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable 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
Aer LingusPriceFrom €289Free CancellationRating
7.2
1,447 reviews
Search Aer Lingus flights

Why use momondo?

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

It is quick and easy to find Boston to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

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

Yes. momondo allows you to filter the results for Boston to Ireland flights to just show those with 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?

If you are simply researching potential flights to Ireland, momondo offers a useful price alert feature which will track prices for flights to Ireland from Boston and alert you when they change.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
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Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €37
Flights to Corkfrom €85
Flights to Shannon, Clarefrom €87
Flights to Donegalfrom €147
Flights to Milltown (Kerry)from €37