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Cheap flights from New Hampshire to Ireland from $222

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to Ireland departing on 1/19. 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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Find the cheapest flights from New Hampshire to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
10:03 am - 8:45 am
BOS
-
DUB
17h 42m1 stop
KLM Logo
11:30 am - 1:55 pm
DUB
-
BOS
7h 25mnonstop
$349KLM
Sat, Feb 21 - Sat, Feb 28
Delta Logo
6:53 pm - 8:45 am
BOS
-
DUB
8h 52m1 stop
Delta Logo
11:30 am - 1:55 pm
DUB
-
BOS
7h 25mnonstop
$350Delta
Sat, Feb 21 - Sat, Feb 28
United Airlines Logo
10:45 am - 6:10 am
BOS
-
DUB
14h 25m1 stop
United Airlines Logo
8:00 am - 10:37 pm
DUB
-
BOS
18h 37m1 stop
$351United Airlines
Sat, Mar 7 - Sat, Mar 14
Air Canada Logo
7:55 pm - 7:10 am
BOS
-
DUB
30h 15m1 stop
Air Canada Logo
8:00 am - 12:12 pm
DUB
-
BOS
32h 12m1 stop
$352Air Canada
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
5:45 am - 6:10 am
BOS
-
DUB
19h 25m2 stops
United Airlines Logo
8:00 am - 5:50 pm
DUB
-
BOS
37h 50m2 stops
$355United Airlines
Sat, Mar 7 - Sat, Mar 14
Multiple Airlines Logo
10:15 am - 7:10 am
BOS
-
DUB
15h 55m2 stops
Multiple Airlines Logo
5:00 am - 1:35 pm
DUB
-
BOS
13h 35m1 stop
$356Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Air Canada Logo
3:35 pm - 7:10 am
BOS
-
DUB
34h 35m2 stops
Air Canada Logo
9:00 am - 9:27 pm
DUB
-
BOS
17h 27m2 stops
$357Air Canada
Wed, Feb 25 - Sun, Mar 1
Multiple Airlines Logo
9:45 pm - 2:40 pm
BOS
-
ORK
11h 55m1 stop
Multiple Airlines Logo
5:10 pm - 6:30 pm
ORK
-
BOS
30h 20m1 stop
$392Multiple Airlines
Mon, Apr 20 - Tue, Apr 28
Aer Lingus Logo
7:25 pm - 6:20 am
BOS
-
SNN
5h 55mnonstop
Aer Lingus Logo
2:45 pm - 4:50 pm
SNN
-
BOS
7h 05mnonstop
$405Aer Lingus
Mon, Jan 12 - Sun, Jan 18
Aer Lingus Logo
7:25 pm - 6:20 am
BOS
-
SNN
5h 55mnonstop
Aer Lingus Logo
2:45 pm - 5:50 pm
SNN
-
BOS
7h 05mnonstop
$407Aer Lingus
Fri, Feb 27 - Tue, Mar 10

Air Canada flights from New Hampshire to Ireland

Our best Air Canada deals on New Hampshire to Ireland flight tickets
Air Canada
Mar 4
BOS7:55 pmBoston Logan Intl
30h 15m
1 stop
DUB7:10 amDublin
Mar 8
DUB8:00 amDublin
32h 12m
1 stop
BOS12:12 pmBoston Logan Intl
$352
Find similar
Air Canada
Feb 25
BOS3:35 pmBoston Logan Intl
34h 35m
2 stops
DUB7:10 amDublin
Mar 4
DUB9:00 amDublin
17h 27m
2 stops
BOS9:27 pmBoston Logan Intl
$357
Find similar
Air Canada
Jan 5
BOS7:45 amBoston Logan Intl
19h 25m
1 stop
DUB8:10 amDublin
Jan 13
DUB9:30 amDublin
17h 22m
1 stop
BOS9:52 pmBoston Logan Intl
$380
Find similar

KLM flights from New Hampshire to Ireland

Our best KLM deals on New Hampshire to Ireland flight tickets
KLM
Feb 20
BOS1:04 pmBoston Logan Intl
14h 41m
1 stop
DUB8:45 amDublin
Feb 23
DUB11:30 amDublin
7h 25m
BOS1:55 pmBoston Logan Intl
$354
Find similar
KLM
Mar 20
BOS11:15 pmBoston Logan Intl
6h 05m
DUB9:20 amDublin
Mar 29
DUB3:00 pmDublin
7h 04m
BOS5:04 pmBoston Logan Intl
$379
Find similar
KLM
Mar 11
BOS9:50 pmBoston Logan Intl
14h 30m
1 stop
DUB4:20 pmDublin
Mar 16
DUB9:45 amDublin
13h 49m
1 stop
BOS7:34 pmBoston Logan Intl
$391
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from New Hampshire 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 December 29, 2025.
Use the filters below to find and compare flights from New Hampshire to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 2/21

10:03 am-8:45 am

1 stop17h 42m

Dublin

Sat 2/28

11:30 am-1:55 pm

Nonstop7h 25m

$349

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 2/21

6:53 pm-8:45 am

1 stop8h 52m

Dublin

Sat 2/28

11:30 am-1:55 pm

Nonstop7h 25m

$350

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 3/7

10:45 am-6:10 am

1 stop14h 25m

Dublin

Sat 3/14

8:00 am-10:37 pm

1 stop18h 37m

$351

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 3/4

7:55 pm-7:10 am

1 stop30h 15m

Dublin

Sun 3/8

8:00 am-12:12 pm

1 stop32h 12m

$352

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 3/7

5:45 am-6:10 am

2 stops19h 25m

Dublin

Sat 3/14

8:00 am-5:50 pm

2 stops37h 50m

$355

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 1/20

10:15 am-7:10 am

2 stops15h 55m

Dublin

Tue 1/27

5:00 am-1:35 pm

1 stop13h 35m

$356

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 2/25

3:35 pm-7:10 am

2 stops34h 35m

Dublin

Sun 3/1

9:00 am-9:27 pm

2 stops17h 27m

$357

BostonCork

BOS - ORK

BOSORK

Boston Logan Intl

Mon 4/20

9:45 pm-2:40 pm

1 stop11h 55m

Cork

Tue 4/28

5:10 pm-6:30 pm

1 stop30h 20m

$392

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Mon 1/12

7:25 pm-6:20 am

Nonstop5h 55m

Shannon

Sun 1/18

2:45 pm-4:50 pm

Nonstop7h 05m

$405

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Fri 2/27

7:25 pm-6:20 am

Nonstop5h 55m

Shannon

Tue 3/10

2:45 pm-5:50 pm

Nonstop7h 05m

$407

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 New Hampshire 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, November is the cheapest month to fly from New Hampshire to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $449. If you aren’t able to travel to Ireland during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $465.

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

You are more likely to see cheaper flights to Ireland from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $554 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from New Hampshire for as low as $523 on momondo.

Cheap New Hampshire to Ireland flight deals and tips

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

Fastest flight time

5h 50m

Direct flights

Every day

Airports in Ireland

77 airports
The fastest flight from New Hampshire to Ireland takes 5h 50m
Direct flights go from New Hampshire to Ireland every day.
There are 77 airports in Ireland. From New Hampshire there are direct flights to Dublin (DUB), Shannon (SNN).
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  • When did momondo last update prices for flights from New Hampshire to Ireland?

    Prices for flights from New Hampshire to Ireland are refreshed on a daily basis.

  • How many operators does momondo search for flights from New Hampshire to Ireland?

  • How old do you have to be to fly from New Hampshire to Ireland?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New Hampshire to Ireland.

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

    The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from New Hampshire to Ireland for you.

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

Flights from New Hampshire to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from New Hampshire to Ireland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New Hampshire to Ireland.

I’m not ready to book a flight from New Hampshire 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 New Hampshire and alert you when they change.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Wed 1/28
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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 $311
Flights to Shannon, Clarefrom $353
Flights to Corkfrom $393
Flights to Knockfrom $608
Flights to Milltown (Kerry)from $529
Flights to Donegalfrom $754