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$795+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — DUB
sep. 2 — sep. 91
mar. 9/2
mar. 9/9
1 adult, Economy
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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 agosto 28, 2025.

This United Airlines deal was found by Cheapflights users on 8/26. 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.
vie. 10/106:30 amHLN - DUB
2 stops17h 40mUnited Airlines
vie. 10/179:50 amDUB - HLN
2 stops18h 10mUnited Airlines
Deal found 8/26$795
This Expedia deal was found by Cheapflights users on 8/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/106:18 pmHLN - DUB
2 stops16h 57mMultiple Airlines
vie. 10/174:10 pmDUB - HLN
1 stop32h 31mMultiple Airlines
Deal found 8/26$1,300

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 agosto 28, 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

vie. 10/10

6:30 am-7:10 am

2 stops17h 40m

Dublin

vie. 10/17

9:50 am-9:00 pm

2 stops18h 10m

$795

HelenaDublin

HLN - DUB

HLNDUB

Helena

vie. 10/10

6:18 pm-6:15 pm

2 stops16h 57m

Dublin

vie. 10/17

4:10 pm-5:41 pm

1 stop32h 31m

$1,300

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/26

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, November is the cheapest month in which you can book a flight from Helena to Ireland (average of $509). Flying from Helena to Ireland in June is currently the most expensive (average of $925). 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 agosto 28, 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
8,944 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,944 reviews
United Airlines
7.4
Good
8,944 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 40m. 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, November is the cheapest month in which you can book a flight from Helena to Ireland (average of $509). Flying from Helena to Ireland in June is currently the most expensive (average of $925). 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 agosto 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$542Average$628FlexibilityNo cancel feeOn-time69%

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