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Cheap flights from Boston to Ireland from €136

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 9/9. 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

Logo
15:19 - 07:55BOS-DUB
11h 36m1 stop
Logo
12:00 - 14:10DUB-BOS
7h 10mdirect
€302
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Tue, 2 Sep - Wed, 17 Sep
Delta Logo
06:00 - 08:45BOS-DUB
22h 45m1 stop
Delta Logo
09:45 - 21:29DUB-BOS
16h 44m2 stops
€303Delta
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Wed, 29 Oct - Tue, 18 Nov
United Airlines Logo
20:02 - 11:10BOS-DUB
10h 08m1 stop
United Airlines Logo
08:00 - 22:37DUB-BOS
18h 37m1 stop
€304United Airlines
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Fri, 24 Oct - Sat, 1 Nov
United Airlines Logo
05:30 - 10:20BOS-DUB
23h 50m1 stop
United Airlines Logo
09:20 - 09:30DUB-BOS
29h 10m1 stop
€305United Airlines
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Wed, 10 Sep - Mon, 15 Sep
Aer Lingus Logo
17:30 - 04:30BOS-DUB
6h 00mdirect
Aer Lingus Logo
11:40 - 14:55DUB-BOS
7h 15mdirect
€312Aer Lingus
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Wed, 22 Oct - Mon, 27 Oct
Iberia Logo
16:30 - 08:30BOS-DUB
11h 00m1 stop
Iberia Logo
09:50 - 21:15DUB-BOS
16h 25m1 stop
€313Iberia
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Wed, 8 Oct - Wed, 15 Oct
American Airlines Logo
07:30 - 11:10BOS-ORK
22h 40m1 stop
American Airlines Logo
07:40 - 21:55ORK-BOS
19h 15m1 stop
€316American Airlines
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Tue, 11 Nov - Tue, 18 Nov
American Airlines Logo
15:52 - 11:10BOS-ORK
14h 18m2 stops
American Airlines Logo
07:40 - 14:20ORK-BOS
11h 40m1 stop
€319American Airlines
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Tue, 11 Nov - Tue, 18 Nov
Iberia Logo
16:30 - 17:40BOS-DUB
20h 10m1 stop
Iberia Logo
09:15 - 19:50DUB-BOS
15h 35m1 stop
€336Iberia
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Tue, 23 Sep - Wed, 1 Oct
Aer Lingus Logo
21:25 - 08:25BOS-DUB
6h 00mdirect
Aer Lingus Logo
16:45 - 18:45DUB-BOS
7h 00mdirect
€339Aer Lingus
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Wed, 8 Oct - Wed, 15 Oct

United Airlines flights from Boston to Ireland

Our best United Airlines deals on Boston to Ireland flight tickets
United Airlines
2 Sept
BOS05:30Boston Logan Intl
23h 50m
1 stop
DUB10:20Dublin
9 Sept
DUB09:20Dublin
29h 10m
1 stop
BOS09:30Boston Logan Intl
€303
Find similar
United Airlines
24 Oct
BOS20:02Boston Logan Intl
10h 08m
1 stop
DUB11:10Dublin
1 Nov
DUB08:00Dublin
18h 37m
1 stop
BOS22:37Boston Logan Intl
€304
Find similar
United Airlines
2 Sept
BOS19:12Boston Logan Intl
30h 58m
1 stop
DUB07:10Dublin
8 Sept
DUB09:20Dublin
29h 10m
1 stop
BOS09:30Boston Logan Intl
€305
Find similar

Iberia flights from Boston to Ireland

Our best Iberia deals on Boston to Ireland flight tickets
Iberia
8 Oct
BOS16:30Boston Logan Intl
11h 00m
1 stop
DUB08:30Dublin
15 Oct
DUB09:50Dublin
16h 25m
1 stop
BOS21:15Boston Logan Intl
€313
Find similar
Iberia
23 Sept
BOS16:30Boston Logan Intl
20h 10m
1 stop
DUB17:40Dublin
1 Oct
DUB09:15Dublin
15h 35m
1 stop
BOS19:50Boston Logan Intl
€336
Find similar
Iberia
22 Aug
BOS18:32Boston Logan Intl
30h 58m
1 stop
DUB06:30Dublin
27 Aug
DUB09:30Dublin
10h 37m
1 stop
BOS15:07Boston Logan Intl
€337
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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 20 August 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

Tue 2/9

15:19-07:55

1 stop11h 36m

Dublin

Wed 17/9

12:00-14:10

Nonstop7h 10m

€302

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 29/10

06:00-08:45

1 stop22h 45m

Dublin

Tue 18/11

09:45-21:29

2 stops16h 44m

€303

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 24/10

20:02-11:10

1 stop10h 08m

Dublin

Sat 1/11

08:00-22:37

1 stop18h 37m

€304

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 10/9

05:30-10:20

1 stop23h 50m

Dublin

Mon 15/9

09:20-09:30

1 stop29h 10m

€305

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 22/10

17:30-04:30

Nonstop6h 00m

Dublin

Mon 27/10

11:40-14:55

Nonstop7h 15m

€312

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 8/10

16:30-08:30

1 stop11h 00m

Dublin

Wed 15/10

09:50-21:15

1 stop16h 25m

€313

BostonCork

BOS - ORK

BOSORK

Boston Logan Intl

Tue 11/11

07:30-11:10

1 stop22h 40m

Cork

Tue 18/11

07:40-21:55

1 stop19h 15m

€316

BostonCork

BOS - ORK

BOSORK

Boston Logan Intl

Tue 11/11

15:52-11:10

2 stops14h 18m

Cork

Tue 18/11

07:40-14:20

1 stop11h 40m

€319

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 23/9

16:30-17:40

1 stop20h 10m

Dublin

Wed 1/10

09:15-19:50

1 stop15h 35m

€336

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 8/10

21:25-08:25

Nonstop6h 00m

Dublin

Wed 15/10

16:45-18:45

Nonstop7h 00m

€339

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 November is another great option to travel to Ireland, with average flight prices from Boston averaging around €418.

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 €427. 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 €813. 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 evening is the cheapest time of day to fly from Boston to Ireland when you can find flight prices for as low as €600. Flying to Ireland in the evening 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 afternoon when prices are around €640.

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 €491 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 €434 on momondo.

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

There are 2 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

€136

Fastest flight time

5h 50m

Direct flights

Every day

Airports in Ireland

3 airports
The best one-way flight to Ireland from Boston in the past 72 hours is €136. The best return flight deal from Boston to Ireland found on momondo in the last 72 hours is €302.
The fastest flight from Boston to Ireland takes 5h 50m
Direct flights go from Boston to Ireland every day.
There are 3 airports near Ireland: Dublin (DUB), Shannon (SNN), Cork (ORK)
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  • 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 €369Free CancellationRating
7.2
1,225 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 €39
Flights to Corkfrom €120
Flights to Shannon, Clarefrom €114
Flights to Donegalfrom €58
Flights to Milltown (Kerry)from €40