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Cheap flights from Helena to Dublin from €383

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 30/3. 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 - 21:25
DUB
-
HLN
17h 55m
2 stops
€415United Airlines
Wed, 4 Mar - Sun, 8 Mar
United Airlines Logo
06:15 - 09:55
HLN
-
DUB
20h 40m
2 stops
United Airlines Logo
10:40 - 21:25
DUB
-
HLN
16h 45m
2 stops
€416United Airlines
Wed, 4 Mar - Sun, 8 Mar
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
€482United Airlines
Tue, 7 Apr - Tue, 14 Apr
United Airlines Logo
06:15 - 07:20
HLN
-
DUB
18h 05m
2 stops
United Airlines Logo
08:50 - 20:59
DUB
-
HLN
19h 09m
2 stops
€488United Airlines
Mon, 3 Aug - Fri, 21 Aug
United Airlines Logo
14:20 - 07:20
HLN
-
DUB
34h 00m
2 stops
United Airlines Logo
08:50 - 20:59
DUB
-
HLN
19h 09m
2 stops
€497United Airlines
Sat, 8 Aug - Fri, 21 Aug
United Airlines Logo
14:20 - 07:20
HLN
-
DUB
34h 00m
2 stops
United Airlines Logo
11:35 - 13:27
DUB
-
HLN
32h 52m
2 stops
€508United Airlines
Sat, 8 Aug - Thu, 20 Aug
United Airlines Logo
06:15 - 07:20
HLN
-
DUB
18h 05m
2 stops
United Airlines Logo
09:50 - 13:27
DUB
-
HLN
34h 37m
2 stops
€509United Airlines
Mon, 3 Aug - Tue, 18 Aug
Delta Logo
05:45 - 07:55
HLN
-
DUB
43h 10m
2 stops
Delta Logo
05:55 - 22:34
DUB
-
HLN
23h 39m
2 stops
€512Delta
Sun, 2 Aug - Thu, 20 Aug
Delta Logo
05:45 - 07:55
HLN
-
DUB
43h 10m
2 stops
Delta Logo
11:00 - 12:23
DUB
-
HLN
32h 23m
2 stops
€519Delta
Sun, 2 Aug - Fri, 21 Aug
Delta Logo
05:45 - 07:55
HLN
-
DUB
43h 10m
2 stops
Delta Logo
15:00 - 12:23
DUB
-
HLN
28h 23m
2 stops
€525Delta
Sun, 2 Aug - Wed, 19 Aug

United Airlines flights from Helena to Dublin

Our best United Airlines deals on Helena to Dublin flight tickets
United Airlines
4 Mar
HLN06:15Helena
18h 15m
2 stops
DUB07:30Dublin
8 Mar
DUB09:30Dublin
17h 55m
2 stops
HLN21:25Helena
€415
United Airlines
4 Mar
HLN06:15Helena
20h 40m
2 stops
DUB09:55Dublin
8 Mar
DUB10:40Dublin
16h 45m
2 stops
HLN21:25Helena
€416
United Airlines
7 Apr
HLN06:15Helena
18h 05m
2 stops
DUB07:20Dublin
14 Apr
DUB09:50Dublin
42h 43m
2 stops
HLN21:33Helena
€482

Delta flights from Helena to Dublin

Our best Delta deals on Helena to Dublin flight tickets
Delta
2 Aug
HLN05:45Helena
43h 10m
2 stops
DUB07:55Dublin
20 Aug
DUB05:55Dublin
23h 39m
2 stops
HLN22:34Helena
€512
Delta
2 Aug
HLN05:45Helena
43h 10m
2 stops
DUB07:55Dublin
21 Aug
DUB11:00Dublin
32h 23m
2 stops
HLN12:23Helena
€519
Delta
2 Aug
HLN05:45Helena
43h 10m
2 stops
DUB07:55Dublin
19 Aug
DUB15:00Dublin
28h 23m
2 stops
HLN12:23Helena
€525

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 22 February 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

Wed 4/3

06:15-07:30

2 stops18h 15m

Dublin

Sun 8/3

09:30-21:25

2 stops17h 55m

€415

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 4/3

06:15-09:55

2 stops20h 40m

Dublin

Sun 8/3

10:40-21:25

2 stops16h 45m

€416

HelenaDublin

HLN - DUB

HLNDUB

Helena

Tue 7/4

06:15-07:20

2 stops18h 05m

Dublin

Tue 14/4

09:50-21:33

2 stops42h 43m

€482

HelenaDublin

HLN - DUB

HLNDUB

Helena

Mon 3/8

06:15-07:20

2 stops18h 05m

Dublin

Fri 21/8

08:50-20:59

2 stops19h 09m

€488

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sat 8/8

14:20-07:20

2 stops34h 00m

Dublin

Fri 21/8

08:50-20:59

2 stops19h 09m

€497

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sat 8/8

14:20-07:20

2 stops34h 00m

Dublin

Thu 20/8

11:35-13:27

2 stops32h 52m

€508

HelenaDublin

HLN - DUB

HLNDUB

Helena

Mon 3/8

06:15-07:20

2 stops18h 05m

Dublin

Tue 18/8

09:50-13:27

2 stops34h 37m

€509

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sun 2/8

05:45-07:55

2 stops43h 10m

Dublin

Thu 20/8

05:55-22:34

2 stops23h 39m

€512

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sun 2/8

05:45-07:55

2 stops43h 10m

Dublin

Fri 21/8

11:00-12:23

2 stops32h 23m

€519

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sun 2/8

05:45-07:55

2 stops43h 10m

Dublin

Wed 19/8

15:00-12:23

2 stops28h 23m

€525

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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 and Aer Lingus are the most popular carriers 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
Swords
Tullamore
Kildare
Dundalk
Bray
Enniscorthy
Mullingar
Gorey
Maynooth
Malahide
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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