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Cheap flights from Helena to Dublin from €403

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Dublin departing on 16/6. 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
09:20 - 21:16
DUB
-
HLN
42h 56m
2 stops
€531United Airlines
Sun, 23 Aug - Thu, 27 Aug
United Airlines Logo
06:15 - 07:20
HLN
-
DUB
18h 05m
2 stops
United Airlines Logo
09:20 - 21:16
DUB
-
HLN
42h 56m
2 stops
€532United Airlines
Sun, 23 Aug - Thu, 27 Aug
United Airlines Logo
06:15 - 07:20
HLN
-
DUB
18h 05m
2 stops
United Airlines Logo
09:50 - 21:46
DUB
-
HLN
42h 56m
2 stops
€549United Airlines
Sun, 19 Apr - Fri, 1 May
United Airlines Logo
06:15 - 07:45
HLN
-
DUB
18h 30m
2 stops
United Airlines Logo
09:30 - 21:16
DUB
-
HLN
18h 46m
2 stops
€566United Airlines
Wed, 26 Aug - Tue, 1 Sep
United Airlines Logo
06:15 - 07:45
HLN
-
DUB
18h 30m
2 stops
United Airlines Logo
09:50 - 21:16
DUB
-
HLN
42h 26m
2 stops
€569United Airlines
Wed, 26 Aug - Mon, 31 Aug
United Airlines Logo
06:15 - 10:40
HLN
-
DUB
21h 25m
2 stops
United Airlines Logo
11:35 - 21:46
DUB
-
HLN
17h 11m
2 stops
€572United Airlines
Tue, 14 Apr - Fri, 1 May
United Airlines Logo
06:15 - 09:45
HLN
-
DUB
20h 30m
2 stops
United Airlines Logo
09:50 - 21:16
DUB
-
HLN
42h 26m
2 stops
€579United Airlines
Wed, 26 Aug - Mon, 31 Aug
Delta Logo
05:40 - 07:55
HLN
-
DUB
19h 15m
2 stops
Delta Logo
05:55 - 22:30
DUB
-
HLN
23h 35m
2 stops
€612Delta
Sun, 19 Apr - Sun, 3 May
United Airlines Logo
06:15 - 07:30
HLN
-
DUB
18h 15m
2 stops
United Airlines Logo
08:50 - 21:46
DUB
-
HLN
19h 56m
2 stops
€615United Airlines
Wed, 15 Apr - Sat, 2 May
KLM Logo
13:04 - 22:25
HLN
-
DUB
26h 21m
2 stops
KLM Logo
05:55 - 22:30
DUB
-
HLN
23h 35m
2 stops
€617KLM
Tue, 14 Apr - Sun, 3 May

United Airlines flights from Helena to Dublin

Our best United Airlines deals on Helena to Dublin flight tickets
United Airlines
23 Aug
HLN06:15Helena
18h 05m
2 stops
DUB07:20Dublin
27 Aug
DUB09:20Dublin
42h 56m
2 stops
HLN21:16Helena
€531
United Airlines
23 Aug
HLN06:15Helena
18h 05m
2 stops
DUB07:20Dublin
27 Aug
DUB09:20Dublin
42h 56m
2 stops
HLN21:16Helena
€532
United Airlines
19 Apr
HLN06:15Helena
18h 05m
2 stops
DUB07:20Dublin
1 May
DUB09:50Dublin
42h 56m
2 stops
HLN21:46Helena
€549

KLM flights from Helena to Dublin

Our best KLM deals on Helena to Dublin flight tickets
KLM
14 Apr
HLN13:04Helena
26h 21m
2 stops
DUB22:25Dublin
3 May
DUB05:55Dublin
23h 35m
2 stops
HLN22:30Helena
€617
KLM
18 Apr
HLN13:05Helena
35h 50m
2 stops
DUB07:55Dublin
3 May
DUB08:55Dublin
20h 35m
2 stops
HLN22:30Helena
€618
KLM
17 Apr
HLN13:04Helena
26h 21m
2 stops
DUB22:25Dublin
3 May
DUB05:55Dublin
23h 35m
2 stops
HLN22:30Helena
€660

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 9 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

Cheapest return flight

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sun 23/8

06:15-07:20

2 stops18h 05m

Dublin

Thu 27/8

09:20-21:16

2 stops42h 56m

€531

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sun 23/8

06:15-07:20

2 stops18h 05m

Dublin

Thu 27/8

09:20-21:16

2 stops42h 56m

€532

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sun 19/4

06:15-07:20

2 stops18h 05m

Dublin

Fri 1/5

09:50-21:46

2 stops42h 56m

€549
Fastest return journey

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

06:15-07:45

2 stops18h 30m

Dublin

Tue 1/9

09:30-21:16

2 stops18h 46m

€566

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

06:15-07:45

2 stops18h 30m

Dublin

Mon 31/8

09:50-21:16

2 stops42h 26m

€569

HelenaDublin

HLN - DUB

HLNDUB

Helena

Tue 14/4

06:15-10:40

2 stops21h 25m

Dublin

Fri 1/5

11:35-21:46

2 stops17h 11m

€572

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 26/8

06:15-09:45

2 stops20h 30m

Dublin

Mon 31/8

09:50-21:16

2 stops42h 26m

€579

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sun 19/4

05:40-07:55

2 stops19h 15m

Dublin

Sun 3/5

05:55-22:30

2 stops23h 35m

€612

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 15/4

06:15-07:30

2 stops18h 15m

Dublin

Sat 2/5

08:50-21:46

2 stops19h 56m

€615

HelenaDublin

HLN - DUB

HLNDUB

Helena

Tue 14/4

13:04-22:25

2 stops26h 21m

Dublin

Sun 3/5

05:55-22:30

2 stops23h 35m

€617

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Dublin from

How to get the cheapest flight ticket from Helena to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Helena to Dublin?

United Airlines is the most popular carrier operating from Helena to Dublin

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.

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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