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 2/2. 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 return flights

Enter your travel dates to find the best prices.
KLM Logo
23:15 - 09:20
BOS
-
DUB
6h 05mdirect
KLM Logo
11:30 - 14:40
DUB
-
BOS
7h 10mdirect
€297KLM
Fri, 20 Mar - Tue, 24 Mar
United Airlines Logo
09:30 - 07:30
BOS
-
DUB
17h 00m2 stops
United Airlines Logo
09:00 - 13:13
DUB
-
BOS
33h 13m2 stops
€298United Airlines
Wed, 28 Jan - Mon, 2 Feb
Austrian Airlines Logo
13:55 - 07:30
BOS
-
DUB
12h 35m1 stop
Austrian Airlines Logo
09:30 - 17:19
DUB
-
BOS
12h 49m1 stop
€299Austrian Airlines
Sun, 1 Mar - Fri, 6 Mar
Multiple Airlines Logo
10:15 - 12:05
BOS
-
DUB
20h 50m2 stops
Multiple Airlines Logo
08:00 - 22:37
DUB
-
BOS
18h 37m1 stop
€300Multiple Airlines
Wed, 4 Mar - Sat, 14 Mar
Delta Logo
11:10 - 07:45
BOS
-
DUB
16h 35m1 stop
Delta Logo
11:30 - 14:40
DUB
-
BOS
7h 10mdirect
€301Delta
Wed, 18 Mar - Mon, 23 Mar
KLM Logo
13:03 - 08:45
BOS
-
DUB
14h 42m1 stop
KLM Logo
11:30 - 14:40
DUB
-
BOS
7h 10mdirect
€302KLM
Tue, 3 Mar - Tue, 10 Mar
Multiple Airlines Logo
13:24 - 07:30
BOS
-
DUB
13h 06m1 stop
Multiple Airlines Logo
09:00 - 15:57
DUB
-
BOS
11h 57m1 stop
€304Multiple Airlines
Sun, 25 Jan - Sat, 31 Jan
Aer Lingus Logo
18:35 - 05:25
BOS
-
SNN
5h 50mdirect
Aer Lingus Logo
13:45 - 15:30
SNN
-
BOS
6h 45mdirect
€323Aer Lingus
Mon, 27 Apr - Sun, 3 May
Aer Lingus Logo
19:25 - 06:20
BOS
-
SNN
5h 55mdirect
Aer Lingus Logo
14:45 - 16:50
SNN
-
BOS
7h 05mdirect
€336Aer Lingus
Sun, 8 Feb - Sun, 15 Feb
Delta Logo
08:00 - 15:00
BOS
-
ORK
26h 00m2 stops
Delta Logo
17:20 - 13:25
ORK
-
BOS
25h 05m1 stop
€336Delta
Sat, 17 Jan - Sat, 31 Jan

KLM flights from Boston to Ireland

Our best KLM deals on Boston to Ireland flight tickets
KLM
20 Mar
BOS23:15Boston Logan Intl
6h 05m
DUB09:20Dublin
24 Mar
DUB11:30Dublin
7h 10m
BOS14:40Boston Logan Intl
KLM
3 Mar
BOS13:03Boston Logan Intl
14h 42m
1 stop
DUB08:45Dublin
10 Mar
DUB11:30Dublin
7h 10m
BOS14:40Boston Logan Intl
KLM
27 Feb
BOS22:15Boston Logan Intl
6h 05m
DUB09:20Dublin
8 Mar
DUB10:45Dublin
11h 42m
1 stop
BOS18:27Boston Logan Intl

United Airlines flights from Boston to Ireland

Our best United Airlines deals on Boston to Ireland flight tickets
United Airlines
28 Jan
BOS09:30Boston Logan Intl
17h 40m
2 stops
DUB08:10Dublin
2 Feb
DUB09:00Dublin
33h 13m
2 stops
BOS13:13Boston Logan Intl
United Airlines
18 Feb
BOS14:20Boston Logan Intl
36h 50m
2 stops
DUB08:10Dublin
22 Feb
DUB09:00Dublin
32h 12m
1 stop
BOS12:12Boston Logan Intl
United Airlines
17 Feb
BOS12:35Boston Logan Intl
14h 35m
1 stop
DUB08:10Dublin
21 Feb
DUB09:00Dublin
11h 57m
1 stop
BOS15:57Boston Logan Intl

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 14 December 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

Fri 20/3

23:15-09:20

Nonstop6h 05m

Dublin

Tue 24/3

11:30-14:40

Nonstop7h 10m

€297

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 28/1

09:30-07:30

2 stops17h 00m

Dublin

Mon 2/2

09:00-13:13

2 stops33h 13m

€298

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 1/3

13:55-07:30

1 stop12h 35m

Dublin

Fri 6/3

09:30-17:19

1 stop12h 49m

€299

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 4/3

10:15-12:05

2 stops20h 50m

Dublin

Sat 14/3

08:00-22:37

1 stop18h 37m

€300

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 18/3

11:10-07:45

1 stop16h 35m

Dublin

Mon 23/3

11:30-14:40

Nonstop7h 10m

€301

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 3/3

13:03-08:45

1 stop14h 42m

Dublin

Tue 10/3

11:30-14:40

Nonstop7h 10m

€302

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 25/1

13:24-07:30

1 stop13h 06m

Dublin

Sat 31/1

09:00-15:57

1 stop11h 57m

€304

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Mon 27/4

18:35-05:25

Nonstop5h 50m

Shannon

Sun 3/5

13:45-15:30

Nonstop6h 45m

€323

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sun 8/2

19:25-06:20

Nonstop5h 55m

Shannon

Sun 15/2

14:45-16:50

Nonstop7h 05m

€336

BostonCork

BOS - ORK

BOSORK

Boston Logan Intl

Sat 17/1

08:00-15:00

2 stops26h 00m

Cork

Sat 31/1

17:20-13:25

1 stop25h 05m

€336

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 €402.

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 Saturday when prices can be found for as low as €432. 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 Monday because tickets tend to average around €831. 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 €558. 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 €632.

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 €472 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 €445 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

Best price found

€271

Fastest flight time

5h 50m

Direct flights

Every day

Airports in Ireland

77 airports
The best one-way flight to Ireland from Boston in the past 72 hours is €271. The best return flight deal from Boston to Ireland found on momondo in the last 72 hours is €1,258.
The fastest flight from Boston to Ireland takes 5h 50m
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).
  • 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 €305Free CancellationRating
7.2
1,394 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.

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1 adult
Tue 13/1
Tue 20/1

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