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Cheap flights from Helena to Ireland from €648

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 Ireland departing on 7/12. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Helena to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
07:00 - 09:55HLN  Helena-DUB Dublin
19h 55m2 stops Denver Intl Newark
United Airlines Logo
09:30 - 20:59DUB  Dublin-HLN Helena
18h 29m2 stops Newark Denver Intl
€648United Airlines
Mon, 7 Dec - Fri, 11 Dec
United Airlines Logo
06:25 - 09:45HLN  Helena-DUB Dublin
20h 20m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
08:00 - 13:40DUB  Dublin-HLN Helena
35h 40m2 stops Toronto Pearson Intl Denver Intl
€703United Airlines
Mon, 12 Oct - Mon, 26 Oct
United Airlines Logo
06:15 - 07:45HLN  Helena-DUB Dublin
18h 30m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
09:50 - 21:30DUB  Dublin-HLN Helena
42h 40m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl
€727United Airlines
Wed, 26 Aug - Tue, 1 Sep
United Airlines Logo
06:15 - 07:20HLN  Helena-DUB Dublin
18h 05m2 stops Denver Intl Washington, D.C. Dulles Intl
United Airlines Logo
09:50 - 21:30DUB  Dublin-HLN Helena
42h 40m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl
€728United Airlines
Wed, 26 Aug - Tue, 1 Sep
United Airlines Logo
06:15 - 07:45HLN  Helena-DUB Dublin
18h 30m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
09:50 - 13:45DUB  Dublin-HLN Helena
34h 55m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl
€770United Airlines
Wed, 26 Aug - Mon, 31 Aug
United Airlines Logo
06:15 - 07:20HLN  Helena-DUB Dublin
18h 05m2 stops Denver Intl Washington, D.C. Dulles Intl
United Airlines Logo
09:50 - 21:30DUB  Dublin-HLN Helena
42h 40m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl
€771United Airlines
Wed, 26 Aug - Mon, 31 Aug
Aer Lingus Logo
14:35 - 11:45HLN  Helena-DUB Dublin
14h 10m1 stop Denver Intl
Aer Lingus Logo
15:25 - 21:30DUB  Dublin-HLN Helena
13h 05m1 stop Denver Intl
€964Aer Lingus
Wed, 26 Aug - Mon, 31 Aug
Aer Lingus Logo
14:35 - 11:45HLN  Helena-DUB Dublin
14h 10m1 stop Denver Intl
Aer Lingus Logo
15:25 - 21:30DUB  Dublin-HLN Helena
13h 05m1 stop Denver Intl
€983Aer Lingus
Wed, 26 Aug - Mon, 31 Aug
Multiple Airlines Logo
14:35 - 11:45HLN  Helena-DUB Dublin
14h 10m1 stop Denver Intl
Multiple Airlines Logo
15:25 - 16:34DUB  Dublin-HLN Helena
32h 09m1 stop Seattle/Tacoma Intl
€1,008Multiple Airlines
Wed, 26 Aug - Tue, 1 Sep
Multiple Airlines Logo
14:35 - 11:45HLN  Helena-DUB Dublin
14h 10m1 stop Denver Intl
Multiple Airlines Logo
15:15 - 16:34DUB  Dublin-HLN Helena
32h 19m2 stops London Heathrow Seattle/Tacoma Intl
€1,047Multiple Airlines
Wed, 26 Aug - Mon, 31 Aug

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United Airlines flights from Helena to Ireland

Our best United Airlines deals on Helena to Ireland flight tickets
United Airlines
7 Dec
HLN07:00Helena
19h 55m
2 stops
DUB09:55Dublin
11 Dec
DUB09:30Dublin
18h 29m
2 stops
HLN20:59Helena
€648
United Airlines
12 Oct
HLN06:25Helena
20h 20m
2 stops
DUB09:45Dublin
26 Oct
DUB08:00Dublin
35h 40m
2 stops
HLN13:40Helena
€703
United Airlines
26 Aug
HLN06:15Helena
18h 30m
2 stops
DUB07:45Dublin
1 Sept
DUB09:50Dublin
42h 40m
2 stops
HLN21:30Helena
€727

Aer Lingus flights from Helena to Ireland

Our best Aer Lingus deals on Helena to Ireland flight tickets
Aer Lingus
26 Aug
HLN14:35Helena
14h 10m
1 stop
DUB11:45Dublin
31 Aug
DUB15:25Dublin
13h 05m
1 stop
HLN21:30Helena
€964
Aer Lingus
26 Aug
HLN14:35Helena
14h 10m
1 stop
DUB11:45Dublin
31 Aug
DUB15:25Dublin
13h 05m
1 stop
HLN21:30Helena
€983
Aer Lingus
26 Aug
HLN14:35Helena
14h 10m
1 stop
DUB11:45Dublin
31 Aug
DUB15:25Dublin
13h 05m
1 stop
HLN21:30Helena
€1,053

momondo Fare Finder

 
Customise your flight search to find flights from Helena to Ireland 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 15 August 2026.
Use the filters below to find and compare flights from Helena to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HelenaDublin

HLN Helena - DUB Dublin

HLNDUB

Helena

Mon 7/12

07:00-09:55

2 stops19h 55m

Dublin

Fri 11/12

09:30-20:59

2 stops18h 29m

€648

HelenaDublin

HLN Helena - DUB Dublin

HLNDUB

Helena

Mon 12/10

06:25-09:45

2 stops20h 20m

Dublin

Mon 26/10

08:00-13:40

2 stops35h 40m

€703

HelenaDublin

HLN Helena - DUB Dublin

HLNDUB

Helena

Wed 26/8

06:15-07:45

2 stops18h 30m

Dublin

Tue 1/9

09:50-21:30

2 stops42h 40m

€727

HelenaDublin

HLN Helena - DUB Dublin

HLNDUB

Helena

Wed 26/8

06:15-07:20

2 stops18h 05m

Dublin

Tue 1/9

09:50-21:30

2 stops42h 40m

€728

HelenaDublin

HLN Helena - DUB Dublin

HLNDUB

Helena

Wed 26/8

06:15-07:45

2 stops18h 30m

Dublin

Mon 31/8

09:50-13:45

2 stops34h 55m

€770

HelenaDublin

HLN Helena - DUB Dublin

HLNDUB

Helena

Wed 26/8

06:15-07:20

2 stops18h 05m

Dublin

Mon 31/8

09:50-21:30

2 stops42h 40m

€771
Fastest return journey

HelenaDublin

HLN Helena - DUB Dublin

HLNDUB

Helena

Wed 26/8

14:35-11:45

1 stop14h 10m

Dublin

Mon 31/8

15:25-21:30

1 stop13h 05m

€964

HelenaDublin

HLN Helena - DUB Dublin

HLNDUB

Helena

Wed 26/8

14:35-11:45

1 stop14h 10m

Dublin

Mon 31/8

15:25-21:30

1 stop13h 05m

€983

HelenaDublin

HLN Helena - DUB Dublin

HLNDUB

Helena

Wed 26/8

14:35-11:45

1 stop14h 10m

Dublin

Tue 1/9

15:25-16:34

1 stop32h 09m

€1,008

HelenaDublin

HLN Helena - DUB Dublin

HLNDUB

Helena

Wed 26/8

14:35-11:45

1 stop14h 10m

Dublin

Mon 31/8

15:15-16:34

2 stops32h 19m

€1,047

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Helena to Ireland flight deals and tips

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

Fastest flight time

19h 55m

Direct flights

None
The fastest flight from Helena to Ireland takes 19h 55m
There are no direct flights from Helena to Ireland. There are no popular flight routes from Helena to Ireland.
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Frequently asked questions about flying from Helena to Ireland

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

    Prices for flights from Helena Airport to Ireland are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents required for your trip to Ireland 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 Ireland. 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 Ireland

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

    Price Alerts will notify you by email when the price for flights to Ireland 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 Ireland with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

It is quick and easy to find Helena to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

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

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

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

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 Ireland.

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

Of course. momondo tracks the price of Helena to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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