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Cheap flights from Helena to Dublin from €681

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Dublin departing on 17/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Helena to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
06:15 - 07:30
HLN
-
DUB
18h 15m
2 stops
United Airlines Logo
09:30 - 21:16
DUB
-
HLN
18h 46m
2 stops
€681United Airlines
Mon, 17 Aug - Fri, 21 Aug
United Airlines Logo
06:15 - 09:45
HLN
-
DUB
20h 30m
2 stops
United Airlines Logo
09:30 - 21:16
DUB
-
HLN
18h 46m
2 stops
€682United Airlines
Mon, 17 Aug - Fri, 21 Aug
United Airlines Logo
06:15 - 07:20
HLN
-
DUB
18h 05m
2 stops
United Airlines Logo
09:50 - 13:38
DUB
-
HLN
34h 48m
2 stops
€691United Airlines
Tue, 5 May - Tue, 12 May
United Airlines Logo
06:15 - 08:15
HLN
-
DUB
19h 00m
2 stops
United Airlines Logo
09:50 - 13:32
DUB
-
HLN
34h 42m
2 stops
€707United Airlines
Wed, 26 Aug - Tue, 1 Sep
United Airlines Logo
06:15 - 08:15
HLN
-
DUB
19h 00m
2 stops
United Airlines Logo
09:20 - 13:32
DUB
-
HLN
35h 12m
2 stops
€712United Airlines
Wed, 26 Aug - Tue, 1 Sep
United Airlines Logo
06:15 - 09:45
HLN
-
DUB
20h 30m
2 stops
United Airlines Logo
12:30 - 21:16
DUB
-
HLN
15h 46m
2 stops
€724United Airlines
Thu, 10 Sep - Wed, 23 Sep
United Airlines Logo
06:15 - 08:15
HLN
-
DUB
19h 00m
2 stops
United Airlines Logo
09:50 - 21:16
DUB
-
HLN
42h 26m
2 stops
€725United Airlines
Wed, 26 Aug - Mon, 31 Aug
United Airlines Logo
06:15 - 07:20
HLN
-
DUB
18h 05m
2 stops
United Airlines Logo
09:20 - 21:20
DUB
-
HLN
43h 00m
2 stops
€843United Airlines
Mon, 18 May - Mon, 25 May
Delta Logo
12:50 - 16:40
HLN
-
DUB
20h 50m
2 stops
Delta Logo
10:00 - 22:34
DUB
-
HLN
19h 34m
2 stops
€855Delta
Fri, 11 Sep - Wed, 23 Sep
Multiple Airlines Logo
17:11 - 10:15
HLN
-
DUB
34h 04m
2 stops
Multiple Airlines Logo
15:25 - 16:34
DUB
-
HLN
32h 09m
1 stop
€968Multiple Airlines
Wed, 26 Aug - Tue, 1 Sep

United Airlines flights from Helena to Dublin

Our best United Airlines deals on Helena to Dublin flight tickets
United Airlines
17 Aug
HLN06:15Helena
18h 15m
2 stops
DUB07:30Dublin
21 Aug
DUB09:30Dublin
18h 46m
2 stops
HLN21:16Helena
€681
United Airlines
17 Aug
HLN06:15Helena
20h 30m
2 stops
DUB09:45Dublin
21 Aug
DUB09:30Dublin
18h 46m
2 stops
HLN21:16Helena
€682
United Airlines
5 May
HLN06:15Helena
18h 05m
2 stops
DUB07:20Dublin
12 May
DUB09:50Dublin
34h 48m
2 stops
HLN13:38Helena
€691

momondo Fare Finder

 
Customise 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, momondo users made 13,528 searches. Data last updated 20 April 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 return flight

HelenaDublin

HLN - DUB

HLNDUB

Helena

Mon 17/8

06:15-07:30

2 stops18h 15m

Dublin

Fri 21/8

09:30-21:16

2 stops18h 46m

€681

HelenaDublin

HLN - DUB

HLNDUB

Helena

Mon 17/8

06:15-09:45

2 stops20h 30m

Dublin

Fri 21/8

09:30-21:16

2 stops18h 46m

€682

HelenaDublin

HLN - DUB

HLNDUB

Helena

Tue 5/5

06:15-07:20

2 stops18h 05m

Dublin

Tue 12/5

09:50-13:38

2 stops34h 48m

€691

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

06:15-08:15

2 stops19h 00m

Dublin

Tue 1/9

09:50-13:32

2 stops34h 42m

€707

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

06:15-08:15

2 stops19h 00m

Dublin

Tue 1/9

09:20-13:32

2 stops35h 12m

€712
Fastest return journey

HelenaDublin

HLN - DUB

HLNDUB

Helena

Thu 10/9

06:15-09:45

2 stops20h 30m

Dublin

Wed 23/9

12:30-21:16

2 stops15h 46m

€724

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

06:15-08:15

2 stops19h 00m

Dublin

Mon 31/8

09:50-21:16

2 stops42h 26m

€725

HelenaDublin

HLN - DUB

HLNDUB

Helena

Mon 18/5

06:15-07:20

2 stops18h 05m

Dublin

Mon 25/5

09:20-21:20

2 stops43h 00m

€843

HelenaDublin

HLN - DUB

HLNDUB

Helena

Fri 11/9

12:50-16:40

2 stops20h 50m

Dublin

Wed 23/9

10:00-22:34

2 stops19h 34m

€855

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

17:11-10:15

2 stops34h 04m

Dublin

Tue 1/9

15:25-16:34

1 stop32h 09m

€968

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Helena to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Helena to Dublin (HLN to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Dublin

Fastest flight time

18h 05m

Direct flights

None
The fastest flight from Helena to Dublin takes 18h 05m
There are no direct flights from Helena to Dublin. There are no popular flight routes from Helena to Dublin.
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Frequently asked questions about flying from Helena to Dublin

  • How far is Helena to Dublin by plane?

    The straight-line distance from Helena to Dublin is 6876.2 km. By plane, this route typically takes 18h 05m.

  • When did momondo last update prices for flights from Helena Airport to Dublin Airport?

    Prices for flights from Helena Airport to Dublin Airport were last updated today.

  • How old do you have to be to fly from Helena Airport to Dublin Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Helena to Dublin

  • How do I get Price Alerts for flights from Helena to Dublin?

    Price Alerts will notify you by email when the price for flights to Dublin from Helena decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Helena to Dublin with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Cavan
Wicklow
Dundalk
Naas
Tullamore
Kildare
Bray
Swords
Gorey
Leixlip
Mullingar
Malahide
Maynooth
Carlingford
Castleknock
Enniscorthy
Arklow
Thurles

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Dublin?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helena to Dublin. momondo saves you time and could save you money on your trip.

Can I find flights from Helena to Dublin with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Dublin from Helena with this policy.

How can momondo help me find flights from Helena to Dublin?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Helena to Dublin.

I’m not ready to book a flight from Helena to Dublin right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Helena and alert you when they change.

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