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$488+ Cheap flights from Helena (HLN) to Dublin (DUB)

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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Find flight deals from Helena to Dublin

Cheapest flights from Helena to Dublin
Explore the most affordable flight options available from Helena to Dublin. 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

Cheap flight deals from Helena to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data 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.
Search Deals
From Helena to Dublin
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to Dublin 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 Dublin that are best for you.

Fly from

Helena

Fly to

Dublin

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

Compare providers for flights from Helena to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Helena to Dublin in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Helena-Dublin flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Helena-Dublin flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Helena-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-Dublin flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Helena to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin 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 Dublin

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

Currently, October is the cheapest month in which you can book a flight from Helena to Dublin (average of $385). Flying from Helena to Dublin 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 Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated October 29, 2025.
Read reviews from past customers who have flown United Airlines from Helena to Dublin. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,999 reviews

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Comfort

7.3

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

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Comfort

7.3

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 Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Helena to Dublin?

    Airlines like Delta and United Airlines fly from Helena to Dublin in about 17h 20m. The time it takes to get you to your destination can typically vary by up to 2h 50m. There are 4267 mi between Helena and Dublin. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Helena to Dublin round-trip?

    Flying on United Airlines is currently your cheapest option to Dublin, with prices starting at $542.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Helena to Dublin (average of $385). Flying from Helena to Dublin 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

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
Castleknock
Swords
Wicklow
Leixlip

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Alternative routes for Helena to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Helena to Dublin

Discover the top airline that operate flights from Helena to Dublin. 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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