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Cheap flights from Helena to Dublin from €540

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 12/4. 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 - 07:20
HLN
-
DUB
18h 05m
2 stops
United Airlines Logo
09:50 - 21:33
DUB
-
HLN
42h 43m
2 stops
€540United Airlines
Sun, 12 Apr - Sun, 19 Apr
United Airlines Logo
06:15 - 08:15
HLN
-
DUB
43h 00m
2 stops
United Airlines Logo
09:30 - 21:16
DUB
-
HLN
18h 46m
2 stops
€561United Airlines
Wed, 26 Aug - Tue, 1 Sep
United Airlines Logo
14:29 - 09:45
HLN
-
DUB
36h 16m
2 stops
United Airlines Logo
11:35 - 21:16
DUB
-
HLN
16h 41m
2 stops
€564United Airlines
Wed, 26 Aug - Tue, 1 Sep
United Airlines Logo
14:29 - 08:15
HLN
-
DUB
34h 46m
2 stops
United Airlines Logo
09:50 - 13:32
DUB
-
HLN
34h 42m
2 stops
€569United Airlines
Wed, 26 Aug - Mon, 31 Aug
United Airlines Logo
14:29 - 08:15
HLN
-
DUB
34h 46m
2 stops
United Airlines Logo
09:20 - 13:32
DUB
-
HLN
35h 12m
2 stops
€587United Airlines
Wed, 26 Aug - Mon, 31 Aug
United Airlines Logo
14:29 - 08:15
HLN
-
DUB
34h 46m
2 stops
United Airlines Logo
09:30 - 21:16
DUB
-
HLN
18h 46m
2 stops
€646United Airlines
Wed, 26 Aug - Tue, 1 Sep
Multiple Airlines Logo
16:08 - 12:15
HLN
-
DUB
13h 07m
1 stop
Multiple Airlines Logo
15:25 - 15:31
DUB
-
HLN
31h 06m
1 stop
€669Multiple Airlines
Wed, 26 Aug - Tue, 1 Sep
Multiple Airlines Logo
16:08 - 12:15
HLN
-
DUB
13h 07m
1 stop
Multiple Airlines Logo
15:25 - 15:31
DUB
-
HLN
31h 06m
1 stop
€673Multiple Airlines
Wed, 26 Aug - Tue, 1 Sep
Multiple Airlines Logo
16:08 - 12:15
HLN
-
DUB
13h 07m
1 stop
Multiple Airlines Logo
15:25 - 15:31
DUB
-
HLN
31h 06m
1 stop
€681Multiple Airlines
Wed, 26 Aug - Tue, 1 Sep
Multiple Airlines Logo
16:08 - 12:15
HLN
-
DUB
13h 07m
1 stop
Multiple Airlines Logo
15:55 - 15:31
DUB
-
HLN
54h 36m
2 stops
€707Multiple 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
12 Apr
HLN06:15Helena
18h 05m
2 stops
DUB07:20Dublin
19 Apr
DUB09:50Dublin
42h 43m
2 stops
HLN21:33Helena
€540
United Airlines
26 Aug
HLN06:15Helena
43h 00m
2 stops
DUB08:15Dublin
1 Sept
DUB09:30Dublin
18h 46m
2 stops
HLN21:16Helena
€561
United Airlines
26 Aug
HLN14:29Helena
36h 16m
2 stops
DUB09:45Dublin
1 Sept
DUB11:35Dublin
16h 41m
2 stops
HLN21:16Helena
€564

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 1 March 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

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sun 12/4

06:15-07:20

2 stops18h 05m

Dublin

Sun 19/4

09:50-21:33

2 stops42h 43m

€540

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

06:15-08:15

2 stops43h 00m

Dublin

Tue 1/9

09:30-21:16

2 stops18h 46m

€561

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

14:29-09:45

2 stops36h 16m

Dublin

Tue 1/9

11:35-21:16

2 stops16h 41m

€564

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

14:29-08:15

2 stops34h 46m

Dublin

Mon 31/8

09:50-13:32

2 stops34h 42m

€569

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

14:29-08:15

2 stops34h 46m

Dublin

Mon 31/8

09:20-13:32

2 stops35h 12m

€587

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

14:29-08:15

2 stops34h 46m

Dublin

Tue 1/9

09:30-21:16

2 stops18h 46m

€646

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

16:08-12:15

1 stop13h 07m

Dublin

Tue 1/9

15:25-15:31

1 stop31h 06m

€669

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

16:08-12:15

1 stop13h 07m

Dublin

Tue 1/9

15:25-15:31

1 stop31h 06m

€673

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

16:08-12:15

1 stop13h 07m

Dublin

Tue 1/9

15:25-15:31

1 stop31h 06m

€681

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

16:08-12:15

1 stop13h 07m

Dublin

Tue 1/9

15:55-15:31

2 stops54h 36m

€706

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.
Search flight deals

  • 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.

  • 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
Wicklow
Cavan
Naas
Tullamore
Dundalk
Kildare
Swords
Bray
Gorey
Mullingar
Maynooth
Malahide
Enniscorthy
Carlingford
Leixlip
Arklow
Castleknock
Drogheda

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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