How long is the flight from Helena to Ireland?

Departing from Helena to Ireland will take you 18h 15m. The distance from Helena to Ireland is about 4267 mi.

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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

When flying from Helena to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$488+ Flights from Helena to Ireland

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Cheap flight deals from Helena to Ireland

Best flights from Helena to Ireland
Discover carefully curated flight deals from Helena to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Fri 1/236:15 amHLN - DUB

2 stops18h 15mUnited Airlines

Tue 1/279:30 amDUB - HLN

2 stops18h 56mUnited Airlines

Deal found 12/9

$488

Last-minute flights from Helena to Ireland
Discover last-minute flight deals from Helena to Ireland. Data last updated December 12, 2025 and is based on user searches.

Fri 1/236:15 amHLN - DUB

2 stops18h 15mUnited Airlines

Tue 1/279:30 amDUB - HLN

2 stops18h 56mUnited Airlines

Deal found 12/9

$488

Find flight deals from Helena to Ireland

Most accurate provider	eDreams 3 stars
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Round-trip from	$488 (United Airlines)

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From Helena to Ireland

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Fly from

Fly to

Route

Depart

Return

Price

HelenaDublin

HLN - DUB

HLNDUB

Helena

Fri 1/23

6:15 am-7:30 am

2 stops18h 15m

Dublin

Tue 1/27

9:30 am-9:26 pm

2 stops18h 56m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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

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

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,095 reviews

United Airlines

7.4

Good

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

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 18h 15m. The distance from Helena to Ireland is about 4267 mi.
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.

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Top airline flying from Helena to Ireland

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$487	Average$621	FlexibilityNo cancel fee	On-time69%

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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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Helena to Ireland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Helena to Ireland

Best flights from Helena to IrelandDiscover carefully curated flight deals from Helena to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Discover carefully curated flight deals from Helena to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Find flight deals from Helena to Ireland

Keep the following information in mind while searching for Helena to Ireland flight deals. Data was last updated December 12, 2025.

Most accurate provider

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Round-trip from

Cheapflights Fare Finder

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

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.

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?

Reviews of airlines servicing Ireland

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.

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?

How long is the flight from Helena to Ireland?

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

How can I find direct flights from Helena to Ireland?

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

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

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 Helena to Ireland

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

Top airline flying from Helena to Ireland

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Book with Flexibility

Travel Smart

Best flights from Helena to Ireland
Discover carefully curated flight deals from Helena to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.