What are the cheapest airlines to fly from Ireland to New Hampshire one-way?

For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $396. Users have also found prices from $398 and $405 on Icelandair and TAP AIR PORTUGAL, respectively.

What is the cheapest month to book a flight from Ireland to New Hampshire?

Currently, January is the cheapest month in which you can book a flight from Ireland to New Hampshire (average of $334). Flying from Ireland to New Hampshire in June is currently the most expensive (average of $421). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find a great deal and save up to 26% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ireland to New Hampshire within the next two weeks, with the cheapest ticket starting at $458.

What is the cheapest month to fly from Ireland to New Hampshire?

February can be a great time to fly to New Hampshire from Ireland with a flight ticket averaging about $513. Cheapflights users have found deals in the month of February for as cheap as $288. The most expensive prices can be found in the month of July.

What is the cheapest time of day to fly from IE to NH?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to New Hampshire as you normally would.

Can I find deals for flights from Ireland to New Hampshire that include hotel bookings?

Yes. In addition to deals on Ireland to New Hampshire flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ireland to New Hampshire?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to New Hampshire.

Can I find deals for business class flights from Ireland to New Hampshire?

Yes. Cheapflights offers flight deals from Ireland to New Hampshire by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$527+ Flights from Ireland to New Hampshire

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Cheap flight deals from Ireland to New Hampshire

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$419 (KLM)
One-way from	$298 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$536

Provider with most accurate pricing for Dublin-Boston Logan Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Dublin-Boston Logan Intl flights.

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From Ireland to New Hampshire

Search Deals

One-way flight from Ireland to New Hampshire

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($106 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in May 2025

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Find flight deals from Ireland to New Hampshire

Cheapest flights from Ireland to New Hampshire
Explore the most affordable flight options available from Ireland to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Sun 5/186:00 amORK - BOS

1 stop12h 35mKLM

Sun 5/257:20 pmBOS - ORK

1 stop14h 20mKLM

Deal found 5/1

$419

Thu 5/291:05 pmSNN - BOS

1 stop23h 21mDelta

Sat 6/76:05 amBOS - SNN

1 stop24h 05mDelta

Deal found 5/1

$437

Tue 6/171:05 pmSNN - BOS

2 stops15h 46mMultiple Airlines

Tue 6/248:40 pmBOS - SNN

1 stop9h 30mMultiple Airlines

Deal found 5/1

$438

Fri 6/611:35 amDUB - BOS

1 stop11h 15mPLAY

Mon 6/237:15 pmBOS - DUB

1 stop9h 50mPLAY

Deal found 4/30

$441

Fri 11/217:05 pmDUB - BOS

1 stop25h 45mScandinavian Airlines

Sun 11/305:35 pmBOS - DUB

2 stops13h 10mScandinavian Airlines

Deal found 5/1

$443

Wed 6/43:30 pmDUB - BOS

1 stop12h 05mBritish Airways

Mon 8/47:45 pmBOS - DUB

1 stop11h 05mBritish Airways

Deal found 5/1

$445

Fri 5/912:40 pmDUB - BOS

Nonstop7h 00mAer Lingus

Sat 5/179:25 pmBOS - DUB

Nonstop6h 00mAer Lingus

Deal found 4/30

$448

Tue 5/612:35 pmDUB - BOS

2 stops34h 15mMultiple Airlines

Tue 5/137:15 pmBOS - DUB

2 stops18h 20mMultiple Airlines

Deal found 4/29

$468

Thu 6/52:15 pmDUB - BOS

1 stop12h 45mIcelandair

Sat 8/28:50 pmBOS - DUB

1 stop9h 15mIcelandair

Deal found 5/1

$469

Thu 6/263:00 pmDUB - BOS

Nonstop7h 10mDelta

Tue 7/18:15 pmBOS - DUB

1 stop15h 25mDelta

Deal found 5/1

$470

Thu 11/204:25 amDUB - BOS

1 stop20h 40mTAP AIR PORTUGAL

Sun 11/306:10 pmBOS - DUB

1 stop11h 10mTAP AIR PORTUGAL

Deal found 5/1

$478

Mon 6/29:20 amDUB - BOS

1 stop17h 37mUnited Airlines

Mon 8/45:50 amBOS - DUB

1 stop20h 55mUnited Airlines

Deal found 5/1

$483

Best flights from Ireland to New Hampshire
Discover carefully curated flight deals from Ireland to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Sun 5/186:00 amORK - BOS

1 stop12h 35mKLM

Sun 5/257:20 pmBOS - ORK

1 stop14h 20mKLM

Deal found 5/1

$419

Thu 5/291:05 pmSNN - BOS

1 stop23h 21mDelta

Sat 6/76:05 amBOS - SNN

1 stop24h 05mDelta

Deal found 5/1

$437

Tue 6/171:05 pmSNN - BOS

2 stops15h 46mMultiple Airlines

Tue 6/248:40 pmBOS - SNN

1 stop9h 30mMultiple Airlines

Deal found 5/1

$438

Fri 6/611:35 amDUB - BOS

1 stop11h 15mPLAY

Mon 6/237:15 pmBOS - DUB

1 stop9h 50mPLAY

Deal found 4/30

$441

Wed 6/43:30 pmDUB - BOS

1 stop12h 05mBritish Airways

Mon 8/47:45 pmBOS - DUB

1 stop11h 05mBritish Airways

Deal found 5/1

$445

Sun 5/114:45 pmDUB - BOS

Nonstop7h 00mAer Lingus

Mon 5/199:25 pmBOS - DUB

Nonstop6h 00mAer Lingus

Deal found 4/30

$448

Fri 5/237:05 pmDUB - BOS

1 stop25h 30mScandinavian Airlines

Thu 5/295:40 pmBOS - DUB

1 stop13h 10mScandinavian Airlines

Deal found 4/29

$464

Thu 6/52:15 pmDUB - BOS

1 stop12h 45mIcelandair

Sat 8/28:50 pmBOS - DUB

1 stop9h 15mIcelandair

Deal found 5/1

$469

Mon 6/29:20 amDUB - BOS

1 stop17h 37mUnited Airlines

Fri 8/15:50 amBOS - DUB

1 stop20h 55mUnited Airlines

Deal found 5/1

$483

Wed 5/289:15 amDUB - BOS

1 stop15h 35mIberia

Wed 6/41:20 pmBOS - DUB

2 stops14h 10mIberia

Deal found 4/30

$491

Wed 9/1012:00 pmDUB - BOS

Nonstop7h 10mAir France

Wed 9/245:20 pmBOS - DUB

1 stop9h 55mAir France

Deal found 4/30

$492

Thu 9/119:20 amDUB - BOS

1 stop13h 32mAir Canada

Wed 9/1712:15 pmBOS - DUB

2 stops14h 30mAir Canada

Deal found 4/30

$522

Last-minute flights from Ireland to New Hampshire
Discover last-minute flight deals from Ireland to New Hampshire. Data last updated May 1, 2025 and is based on user searches.

Tue 5/612:35 pmDUB - BOS

2 stops34h 15mMultiple Airlines

Tue 5/137:15 pmBOS - DUB

2 stops18h 20mMultiple Airlines

Deal found 4/29

$468

Tue 5/69:50 amDUB - BOS

2 stops13h 07mAir Canada

Tue 5/136:00 amBOS - DUB

1 stop21h 15mAir Canada

Deal found 4/29

$507

Tue 5/67:05 pmDUB - BOS

1 stop25h 30mScandinavian Airlines

Tue 5/275:40 pmBOS - DUB

1 stop13h 10mScandinavian Airlines

Deal found 5/1

$592

Wed 5/711:35 amDUB - BOS

1 stop11h 15mPLAY

Wed 5/147:15 pmBOS - DUB

1 stop10h 00mPLAY

Deal found 4/30

$444

Wed 5/79:50 amDUB - BOS

2 stops14h 42mUnited Airlines

Wed 5/1411:07 amBOS - DUB

2 stops15h 03mUnited Airlines

Deal found 4/30

$495

Thu 5/88:45 pmDUB - BOS

1 stop21h 50mKLM

Sat 5/1711:25 pmBOS - DUB

Nonstop6h 20mKLM

Deal found 4/30

$539

Thu 5/812:40 pmDUB - BOS

Nonstop7h 00mAmerican Airlines

Wed 5/141:20 pmBOS - DUB

1 stop10h 05mAmerican Airlines

Deal found 5/1

$618

Fri 5/912:40 pmDUB - BOS

Nonstop7h 00mAer Lingus

Sun 5/189:25 pmBOS - DUB

Nonstop6h 00mAer Lingus

Deal found 4/30

$448

Fri 5/912:45 pmDUB - BOS

1 stop12h 25mBritish Airways

Sun 5/188:05 pmBOS - DUB

1 stop10h 50mBritish Airways

Deal found 4/30

$449

Fri 5/912:00 pmDUB - BOS

Nonstop7h 10mDelta

Sun 5/1811:25 pmBOS - DUB

Nonstop6h 20mDelta

Deal found 5/1

$494

Fri 5/910:40 amDUB - BOS

1 stop12h 00mLufthansa

Sun 5/188:05 pmBOS - DUB

1 stop15h 50mLufthansa

Deal found 5/1

$503

Fri 5/912:40 pmDUB - BOS

Nonstop7h 00mAer Lingus

Sat 5/179:25 pmBOS - DUB

Nonstop6h 00mAer Lingus

Deal found 4/30

$448

One-way flights from Ireland to New Hampshire
Search for one-way flight options from Ireland to New Hampshire. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Wed 5/144:25 pmSNN - BOS

2 stops33h 40mMultiple Airlines

Deal found 4/30

$298

Wed 9/39:15 pmSNN - BOS

2 stops22h 25mAer Lingus

Deal found 4/30

$396

Thu 6/52:15 pmDUB - BOS

1 stop9h 35mIcelandair

Deal found 4/30

$398

Mon 10/279:40 pmDUB - BOS

2 stops24h 20mMultiple Airlines

Deal found 4/30

$402

Mon 9/86:50 pmDUB - BOS

1 stop30h 15mTAP AIR PORTUGAL

Deal found 4/30

$405

Sat 8/98:15 amDUB - BOS

1 stop18h 00mVueling

Deal found 4/29

$410

Fri 5/1612:40 pmDUB - BOS

Nonstop7h 00mAer Lingus

Deal found 4/30

$417

Wed 7/3011:35 amDUB - BOS

1 stop11h 15mPLAY

Deal found 4/30

$423

Tue 5/2010:40 amDUB - BOS

Nonstop7h 00mJetBlue

Deal found 5/1

$450

Wed 7/3011:35 amDUB - BOS

1 stop11h 15mWorldTicket

Deal found 4/30

$456

Tue 5/2711:45 amDUB - BOS

1 stop12h 33mIberia

Deal found 4/30

$487

Tue 5/277:05 pmDUB - BOS

1 stop25h 30mScandinavian Airlines

Deal found 4/29

$502

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CorkBoston

ORK - BOS

ORKBOS

Cork

Sun 5/18

6:00 am-1:35 pm

1 stop12h 35m

Boston Logan Intl

Sun 5/25

7:20 pm-2:40 pm

1 stop14h 20m

$419

ShannonBoston

SNN - BOS

SNNBOS

Shannon

Thu 5/29

1:05 pm-7:26 am

1 stop23h 21m

Boston Logan Intl

Sat 6/7

6:05 am-11:10 am

1 stop24h 05m

$437

ShannonBoston

SNN - BOS

SNNBOS

Shannon

Tue 6/17

1:05 pm-11:51 pm

2 stops15h 46m

Boston Logan Intl

Tue 6/24

8:40 pm-11:10 am

1 stop9h 30m

$438

DublinBoston

DUB - BOS

DUBBOS

Dublin

Fri 6/6

11:35 am-5:50 pm

1 stop11h 15m

Boston Logan Intl

Mon 6/23

7:15 pm-10:05 am

1 stop9h 50m

$441

DublinBoston

DUB - BOS

DUBBOS

Dublin

Wed 6/4

3:30 pm-10:35 pm

1 stop12h 05m

Boston Logan Intl

Mon 8/4

7:45 pm-11:50 am

1 stop11h 05m

$445

DublinBoston

DUB - BOS

DUBBOS

Dublin

Sun 5/11

4:45 pm-6:45 pm

Nonstop7h 00m

Boston Logan Intl

Mon 5/19

9:25 pm-8:25 am

Nonstop6h 00m

$448

DublinBoston

DUB - BOS

DUBBOS

Dublin

Fri 5/23

7:05 pm-3:35 pm

1 stop25h 30m

Boston Logan Intl

Thu 5/29

5:40 pm-11:50 am

1 stop13h 10m

$464

DublinBoston

DUB - BOS

DUBBOS

Dublin

Thu 6/5

2:15 pm-10:00 pm

1 stop12h 45m

Boston Logan Intl

Sat 8/2

8:50 pm-11:05 am

1 stop9h 15m

$469

DublinBoston

DUB - BOS

DUBBOS

Dublin

Thu 6/26

3:00 pm-5:10 pm

Nonstop7h 10m

Boston Logan Intl

Tue 7/1

8:15 pm-4:40 pm

1 stop15h 25m

$470

DublinBoston

DUB - BOS

DUBBOS

Dublin

Tue 5/20

11:10 am-6:20 pm

1 stop12h 10m

Boston Logan Intl

Tue 5/27

5:20 pm-8:15 am

1 stop9h 55m

$482

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 53 results

...

Best time to book a flight from Ireland to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Ireland with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to New Hampshire

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing New Hampshire

See what other customers who have flown with Delta, KLM and Air France from Ireland to New Hampshire have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,934 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.4

Good

1,448 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

JetBlue

7.3

Good

2,923 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from Ireland to New Hampshire one-way?
For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $396. Users have also found prices from $398 and $405 on Icelandair and TAP AIR PORTUGAL, respectively.
Can I find deals for flights from Ireland to New Hampshire that include hotel bookings?
Yes. In addition to deals on Ireland to New Hampshire flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ireland to New Hampshire?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to New Hampshire.
Can I find deals for business class flights from Ireland to New Hampshire?
Yes. Cheapflights offers flight deals from Ireland to New Hampshire by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ireland to New Hampshire?
Currently, January is the cheapest month in which you can book a flight from Ireland to New Hampshire (average of $334). Flying from Ireland to New Hampshire in June is currently the most expensive (average of $421). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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$298+ Cheap flights from Ireland to New Hampshire

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ireland to New Hampshire with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ireland to New Hampshire

Keep the following information in mind while searching for Ireland to New Hampshire flight deals. Data was last updated May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ireland to New Hampshire

Cheapest flights from Ireland to New HampshireExplore the most affordable flight options available from Ireland to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Ireland to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to New Hampshire that are best for you.

Best time to book a flight from Ireland to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Ireland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ireland to New Hampshire

Reviews of airlines servicing New Hampshire

See what other customers who have flown with Delta, KLM and Air France from Ireland to New Hampshire have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ireland to New Hampshire. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Ireland to New Hampshire one-way?

Can I find deals for flights from Ireland to New Hampshire that include hotel bookings?

How can I find direct flights from Ireland to New Hampshire?

Can I find deals for business class flights from Ireland to New Hampshire?

What is the cheapest month to book a flight from Ireland to New Hampshire?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to New Hampshire

See prices for flight routes from nearby airports that may be better suited for you.

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Travel Smart

Cheapest flights from Ireland to New Hampshire
Explore the most affordable flight options available from Ireland to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.