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$488+ Cheap flights from Helena (HLN) to Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — DUB
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Helena to Ireland

Keep the following information in mind while searching for Helena to Ireland flight deals. Data was last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$488
(Delta)
Provider with most accurate pricing for Helena-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helena-Dublin flights.
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From Helena to Ireland
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Find flight deals from Helena to Ireland

Cheapest flights from Helena to Ireland
Explore the most affordable flight options available from Helena to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/152:22 pmHLN - DUB
2 stops34h 48mUnited Airlines
Fri 11/2810:40 amDUB - HLN
2 stops17h 42mUnited Airlines
Deal found 10/27$623
This Orbitz deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:13 pmHLN - DUB
2 stops29h 57mMultiple Airlines
Fri 11/284:30 pmDUB - HLN
1 stop33h 22mMultiple Airlines
Deal found 10/27$1,769

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena 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, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Helena to Ireland that are best for you.

Fly from

Helena

Fly to

Ireland

Route

Depart

Return

Price

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 3/4

5:35 am-8:45 am

2 stops20h 10m

Dublin

Sun 3/8

9:45 am-10:38 pm

2 stops18h 53m

$488

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 4/15

7:00 am-7:20 am

2 stops17h 20m

Dublin

Wed 4/22

9:50 am-8:59 pm

2 stops42h 09m

$563

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sat 11/15

2:22 pm-8:10 am

2 stops34h 48m

Dublin

Fri 11/28

10:40 am-9:22 pm

2 stops17h 42m

$623

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sat 11/15

6:13 pm-7:10 am

2 stops29h 57m

Dublin

Fri 11/28

4:30 pm-6:52 pm

1 stop33h 22m

$1,769

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Best time to book a flight from Helena to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Helena 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 Helena to Ireland

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

Currently, October is the cheapest month in which you can book a flight from Helena to Ireland (average of $385). Flying from Helena to Ireland in June is currently the most expensive (average of $881). 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.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated October 29, 2025.
See what other customers who have flown with United Airlines from Helena to Ireland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,999 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,999 reviews
United Airlines
7.4
Good
8,999 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

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

  • What airport do you fly from for flights from Helena to Ireland?

    Helena (HLN) is the airport you will fly out of if you book a flight from Helena to Ireland. It is only a 2.7 mi journey to Helena (HLN) from Helena’s city center.

  • How long is the flight from Helena to Ireland?

    Departing from Helena to Ireland will take you 17h 20m. The distance from Helena to Ireland is about 4267 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Helena to Ireland that include hotel bookings?

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

  • How can I find direct flights from Helena to Ireland?

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

  • Can I find deals for business class flights from Helena to Ireland?

    Yes. Cheapflights offers flight deals from Helena to Ireland 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 Helena to Ireland?

    Currently, October is the cheapest month in which you can book a flight from Helena to Ireland (average of $385). Flying from Helena to Ireland in June is currently the most expensive (average of $881). 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

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Top airline flying from Helena to Ireland

Discover the top airline that operate flights from Helena to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$542Average$628FlexibilityNo cancel feeOn-time69%

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