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$753+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — DUB
Aug 16 — Aug 231
Sun 8/16
Sun 8/23
1 adult, Economy
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Cheap 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 July 17, 2026.

This KLM deal was found by Cheapflights users on 7/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:45 am
HLN
-
DUB
2 stops20h 00m
Multiple Airlines
Wed 12/166:00 am
DUB
-
HLN
2 stops23h 41m
Multiple Airlines
Deal found 7/13$753
This Air France deal was found by Cheapflights users on 7/14. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:03 pm
HLN
-
DUB
2 stops19h 22m
Air France
Mon 11/23:30 pm
DUB
-
HLN
2 stops37h 54m
Air France
Deal found 7/14$765
This United Airlines deal was found by Cheapflights users on 7/12. 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.
Wed 8/266:15 am
HLN
-
DUB
2 stops18h 30m
United Airlines
Tue 9/19:50 am
DUB
-
HLN
2 stops42h 40m
United Airlines
Deal found 7/12$781
This United Airlines deal was found by Cheapflights users on 7/12. 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.
Wed 8/266:15 am
HLN
-
DUB
2 stops18h 30m
United Airlines
Mon 8/319:50 am
DUB
-
HLN
2 stops34h 55m
United Airlines
Deal found 7/12$831
This Air Canada deal was found by Cheapflights users on 7/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:35 pm
HLN
-
DUB
2 stops34h 40m
Multiple Airlines
Thu 9/39:20 am
DUB
-
HLN
2 stops43h 10m
Multiple Airlines
Deal found 7/13$897
This KLM deal was found by Cheapflights users on 7/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:55 pm
HLN
-
DUB
2 stops36h 00m
KLM
Sat 9/51:25 pm
DUB
-
HLN
2 stops40h 05m
KLM
Deal found 7/13$913
This United Airlines deal was found by Cheapflights users on 7/13. 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 8/296:15 am
HLN
-
DUB
2 stops21h 25m
United Airlines
Sat 9/59:50 am
DUB
-
HLN
2 stops34h 55m
United Airlines
Deal found 7/13$939
This BusinessClass deal was found by Cheapflights users on 7/14. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:48 pm
HLN
-
DUB
2 stops17h 27m
Multiple Airlines
Mon 11/24:30 pm
DUB
-
HLN
1 stop30h 34m
Multiple Airlines
Deal found 7/14$1,030
This Ovago deal was found by Cheapflights users on 7/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:11 pm
HLN
-
DUB
2 stops17h 04m
Multiple Airlines
Tue 9/13:25 pm
DUB
-
HLN
1 stop32h 09m
Multiple Airlines
Deal found 7/12$1,036

Find 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 July 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$753
(KLM)
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
Search Deals

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 July 17, 2026.
Use the filters below to find and compare flights from Helena to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaDublin

HLN - DUB

HLNDUB

Helena

Mon 10/19

1:03 pm-3:25 pm

2 stops19h 22m

Dublin

Mon 11/2

3:30 pm-10:24 pm

2 stops37h 54m

$765

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

6:15 am-7:45 am

2 stops18h 30m

Dublin

Tue 9/1

9:50 am-9:30 pm

2 stops42h 40m

$781

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

6:15 am-7:45 am

2 stops18h 30m

Dublin

Mon 8/31

9:50 am-1:45 pm

2 stops34h 55m

$831

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sat 8/29

6:15 am-7:30 am

2 stops18h 15m

Dublin

Sat 9/5

9:50 am-1:45 pm

2 stops34h 55m

$939

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 12/9

4:08 pm-1:10 pm

1 stop14h 02m

Dublin

Wed 12/16

4:30 pm-3:31 pm

1 stop30h 01m

$998
Quickest round-trip

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

2:35 pm-11:45 am

1 stop14h 10m

Dublin

Mon 8/31

3:25 pm-9:30 pm

1 stop13h 05m

$1,068

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Sorted by cheapest first

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Dublin flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 Air France and United Airlines fly from Helena to Dublin in about 18h 30m. The time it takes to get you to your destination can typically vary by up to 52m. There are 4267 mi between Helena and Dublin. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

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Castleknock

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