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Cheap flights from Helena to Ireland from $462

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Ireland departing on 3/4. 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 Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 10:20 am
HLN
-
DUB
21h 05m
2 stops
United Airlines Logo
8:00 am - 12:38 pm
DUB
-
HLN
35h 38m
2 stops
$462United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
6:15 am - 10:20 am
HLN
-
DUB
21h 05m
2 stops
United Airlines Logo
8:00 am - 12:38 pm
DUB
-
HLN
35h 38m
2 stops
$463United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
6:15 am - 7:30 am
HLN
-
DUB
18h 15m
2 stops
United Airlines Logo
9:50 am - 9:33 pm
DUB
-
HLN
42h 43m
2 stops
$568United Airlines
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
6:15 am - 8:10 am
HLN
-
DUB
18h 55m
2 stops
United Airlines Logo
8:00 am - 12:38 pm
DUB
-
HLN
35h 38m
2 stops
$600United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
2:25 pm - 7:20 am
HLN
-
DUB
33h 55m
2 stops
United Airlines Logo
9:50 am - 9:33 pm
DUB
-
HLN
42h 43m
2 stops
$706United Airlines
Sun, Mar 29 - Sun, Apr 5
Multiple Airlines Logo
6:22 pm - 12:15 pm
HLN
-
DUB
34h 53m
1 stop
Multiple Airlines Logo
6:30 am - 5:45 pm
DUB
-
HLN
18h 15m
2 stops
$763Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
6:22 pm - 12:15 pm
HLN
-
DUB
34h 53m
1 stop
Multiple Airlines Logo
3:25 pm - 5:45 pm
DUB
-
HLN
33h 20m
1 stop
$765Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
6:15 am - 7:20 am
HLN
-
DUB
18h 05m
2 stops
United Airlines Logo
9:30 am - 9:20 pm
DUB
-
HLN
18h 50m
2 stops
$809United Airlines
Thu, May 28 - Mon, Jun 8
Multiple Airlines Logo
4:43 pm - 6:30 am
HLN
-
DUB
30h 47m
2 stops
Multiple Airlines Logo
1:45 pm - 4:06 pm
DUB
-
HLN
33h 21m
2 stops
$819Multiple Airlines
Thu, May 28 - Mon, Jun 8
Multiple Airlines Logo
6:22 pm - 11:20 am
HLN
-
DUB
33h 58m
2 stops
Multiple Airlines Logo
3:25 pm - 5:45 pm
DUB
-
HLN
33h 20m
1 stop
$908Multiple Airlines
Sun, Mar 29 - Sun, Apr 5

United Airlines flights from Helena to Ireland

Our best United Airlines deals on Helena to Ireland flight tickets
United Airlines
Mar 4
HLN6:15 amHelena
21h 05m
2 stops
DUB10:20 amDublin
Mar 8
DUB8:00 amDublin
35h 38m
2 stops
HLN12:38 pmHelena
$462
United Airlines
Mar 4
HLN6:15 amHelena
21h 05m
2 stops
DUB10:20 amDublin
Mar 8
DUB8:00 amDublin
35h 38m
2 stops
HLN12:38 pmHelena
$463
United Airlines
Apr 15
HLN6:15 amHelena
18h 15m
2 stops
DUB7:30 amDublin
Apr 22
DUB9:50 amDublin
42h 43m
2 stops
HLN9:33 pmHelena
$568

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 14, 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

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 3/4

6:15 am-10:20 am

2 stops21h 05m

Dublin

Sun 3/8

8:00 am-12:38 pm

2 stops35h 38m

$462

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 3/4

6:15 am-10:20 am

2 stops21h 05m

Dublin

Sun 3/8

8:00 am-12:38 pm

2 stops35h 38m

$463

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 4/15

6:15 am-7:30 am

2 stops18h 15m

Dublin

Wed 4/22

9:50 am-9:33 pm

2 stops42h 43m

$568

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 3/4

6:15 am-8:10 am

2 stops18h 55m

Dublin

Sun 3/8

8:00 am-12:38 pm

2 stops35h 38m

$600

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sun 3/29

2:25 pm-7:20 am

2 stops33h 55m

Dublin

Sun 4/5

9:50 am-9:33 pm

2 stops42h 43m

$706

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 4/15

6:22 pm-12:15 pm

1 stop34h 53m

Dublin

Wed 4/22

6:30 am-5:45 pm

2 stops18h 15m

$763

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 4/15

6:22 pm-12:15 pm

1 stop34h 53m

Dublin

Wed 4/22

3:25 pm-5:45 pm

1 stop33h 20m

$765

HelenaDublin

HLN - DUB

HLNDUB

Helena

Thu 5/28

6:15 am-7:20 am

2 stops18h 05m

Dublin

Mon 6/8

9:30 am-9:20 pm

2 stops18h 50m

$809

HelenaDublin

HLN - DUB

HLNDUB

Helena

Thu 5/28

4:43 pm-6:30 am

2 stops30h 47m

Dublin

Mon 6/8

1:45 pm-4:06 pm

2 stops33h 21m

$819

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sun 3/29

6:22 pm-11:20 am

2 stops33h 58m

Dublin

Sun 4/5

3:25 pm-5:45 pm

1 stop33h 20m

$908

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Ireland from

How to get the cheapest flight ticket from Helena to Ireland

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 airlines fly to Ireland?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Ireland from Helena according to our data. United Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 3 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

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

17h 45m

Direct flights

None
The fastest flight from Helena to Ireland takes 17h 45m
There are no direct flights from Helena to Ireland. There are no popular flight routes from Helena to Ireland.
Search flight deals

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

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

  • How many operators does momondo search for flights from Helena Airport to Ireland?

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers 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 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 license, 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.

Best airlines flying from Helena to Ireland

Compare and see reviews for airlines that fly from Helena to Ireland with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $487Free CancellationRating
7.4
9,289 reviews
Search United Airlines flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Helena to Ireland flights to just show those with flexible booking policies.

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

Once all potential Helena to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Helena to Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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