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Cheap flights from Helena to Ireland from $754

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 8/17. 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 - 9:45 am
HLN
-
DUB
20h 30m
2 stops
United Airlines Logo
8:50 am - 9:16 pm
DUB
-
HLN
19h 26m
2 stops
$754United Airlines
Mon, Aug 17 - Fri, Aug 21
United Airlines Logo
6:15 am - 8:15 am
HLN
-
DUB
43h 00m
2 stops
United Airlines Logo
9:20 am - 9:16 pm
DUB
-
HLN
18h 56m
2 stops
$804United Airlines
Wed, Aug 26 - Tue, Sep 1
United Airlines Logo
2:29 pm - 8:15 am
HLN
-
DUB
34h 46m
2 stops
United Airlines Logo
9:50 am - 9:16 pm
DUB
-
HLN
42h 26m
2 stops
$826United Airlines
Wed, Aug 26 - Mon, Aug 31
United Airlines Logo
2:29 pm - 9:45 am
HLN
-
DUB
36h 16m
2 stops
United Airlines Logo
9:20 am - 1:32 pm
DUB
-
HLN
59h 12m
2 stops
$888United Airlines
Wed, Aug 26 - Mon, Aug 31
United Airlines Logo
2:29 pm - 8:15 am
HLN
-
DUB
34h 46m
2 stops
United Airlines Logo
9:50 am - 1:32 pm
DUB
-
HLN
34h 42m
2 stops
$911United Airlines
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
5:11 pm - 5:15 pm
HLN
-
DUB
17h 04m
2 stops
Multiple Airlines Logo
3:25 pm - 4:34 pm
DUB
-
HLN
32h 09m
1 stop
$1,103Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
5:11 pm - 5:15 pm
HLN
-
DUB
17h 04m
2 stops
Multiple Airlines Logo
3:25 pm - 4:34 pm
DUB
-
HLN
32h 09m
1 stop
$1,152Multiple Airlines
Wed, Aug 26 - Mon, Aug 31
Multiple Airlines Logo
5:11 pm - 5:15 pm
HLN
-
DUB
17h 04m
2 stops
Multiple Airlines Logo
3:25 pm - 4:34 pm
DUB
-
HLN
32h 09m
1 stop
$1,167Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
5:11 pm - 6:30 am
HLN
-
DUB
30h 19m
2 stops
Multiple Airlines Logo
3:25 pm - 4:34 pm
DUB
-
HLN
32h 09m
1 stop
$1,177Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
5:11 pm - 5:15 pm
HLN
-
DUB
17h 04m
2 stops
Multiple Airlines Logo
3:25 pm - 4:34 pm
DUB
-
HLN
32h 09m
1 stop
$1,206Multiple Airlines
Wed, Aug 26 - Mon, Aug 31

United Airlines flights from Helena to Ireland

Our best United Airlines deals on Helena to Ireland flight tickets
United Airlines
Aug 17
HLN6:15 amHelena
20h 30m
2 stops
DUB9:45 amDublin
Aug 21
DUB8:50 amDublin
19h 26m
2 stops
HLN9:16 pmHelena
$754
United Airlines
Aug 26
HLN6:15 amHelena
43h 00m
2 stops
DUB8:15 amDublin
Sep 1
DUB9:20 amDublin
18h 56m
2 stops
HLN9:16 pmHelena
$804
United Airlines
Aug 26
HLN2:29 pmHelena
34h 46m
2 stops
DUB8:15 amDublin
Aug 31
DUB9:50 amDublin
42h 26m
2 stops
HLN9:16 pmHelena
$826

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 April 4, 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 round-trip
Quickest round-trip

HelenaDublin

HLN - DUB

HLNDUB

Helena

Mon 8/17

6:15 am-9:45 am

2 stops20h 30m

Dublin

Fri 8/21

8:50 am-9:16 pm

2 stops19h 26m

$754

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

6:15 am-8:15 am

2 stops43h 00m

Dublin

Tue 9/1

9:20 am-9:16 pm

2 stops18h 56m

$804

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

2:29 pm-8:15 am

2 stops34h 46m

Dublin

Mon 8/31

9:50 am-9:16 pm

2 stops42h 26m

$826

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

2:29 pm-9:45 am

2 stops36h 16m

Dublin

Mon 8/31

9:20 am-1:32 pm

2 stops59h 12m

$888

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

2:29 pm-8:15 am

2 stops34h 46m

Dublin

Tue 9/1

9:50 am-1:32 pm

2 stops34h 42m

$911

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

5:11 pm-5:15 pm

2 stops17h 04m

Dublin

Tue 9/1

3:25 pm-4:34 pm

1 stop32h 09m

$1,103

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

5:11 pm-5:15 pm

2 stops17h 04m

Dublin

Mon 8/31

3:25 pm-4:34 pm

1 stop32h 09m

$1,152

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

5:11 pm-5:15 pm

2 stops17h 04m

Dublin

Tue 9/1

3:25 pm-4:34 pm

1 stop32h 09m

$1,167

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

5:11 pm-6:30 am

2 stops30h 19m

Dublin

Tue 9/1

3:25 pm-4:34 pm

1 stop32h 09m

$1,177

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

5:11 pm-5:15 pm

2 stops17h 04m

Dublin

Mon 8/31

3:25 pm-4:34 pm

1 stop32h 09m

$1,206

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, Delta and American Airlines 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 66% 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

19h 00m

Direct flights

None
The fastest flight from Helena to Ireland takes 19h 00m
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 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
9,541 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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