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Cheap flights from Helena to Dublin from $804

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 Dublin departing on 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Helena to Dublin

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:29 pm - 8:15 am
HLN
-
DUB
34h 46m
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
6:15 am - 8:15 am
HLN
-
DUB
43h 00m
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
KLM Logo
12:50 pm - 10:25 pm
HLN
-
DUB
26h 35m
2 stops
KLM Logo
1:25 pm - 10:34 pm
DUB
-
HLN
40h 09m
2 stops
$900KLM
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
4:08 pm - 12:20 pm
HLN
-
DUB
13h 12m
1 stop
Multiple Airlines Logo
3:25 pm - 3:31 pm
DUB
-
HLN
31h 06m
1 stop
$1,043Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
4:08 pm - 12:20 pm
HLN
-
DUB
13h 12m
1 stop
Multiple Airlines Logo
7:00 pm - 3:31 pm
DUB
-
HLN
51h 31m
2 stops
$1,052Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
4:08 pm - 12:20 pm
HLN
-
DUB
13h 12m
1 stop
Multiple Airlines Logo
3:25 pm - 3:31 pm
DUB
-
HLN
31h 06m
1 stop
$1,093Multiple 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
$1,103Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
4:08 pm - 12:20 pm
HLN
-
DUB
13h 12m
1 stop
Multiple Airlines Logo
9:30 am - 3:31 pm
DUB
-
HLN
37h 01m
2 stops
$1,111Multiple 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
$1,152Multiple 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
$1,206Multiple Airlines
Wed, Aug 26 - Mon, Aug 31

United Airlines flights from Helena to Dublin

Our best United Airlines deals on Helena to Dublin flight tickets
United Airlines
Aug 26
HLN2:29 pmHelena
34h 46m
2 stops
DUB8:15 amDublin
Sep 1
DUB9:20 amDublin
18h 56m
2 stops
HLN9:16 pmHelena
$804
United Airlines
Aug 26
HLN6:15 amHelena
43h 00m
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 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 832,500 searches. Data last updated March 31, 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 round-trip

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

2:29 pm-8:15 am

2 stops34h 46m

Dublin

Tue 9/1

9:20 am-9:16 pm

2 stops18h 56m

$804

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

6:15 am-8:15 am

2 stops43h 00m

Dublin

Mon 8/31

9:50 am-9:16 pm

2 stops42h 26m

$826

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

12:50 pm-10:25 pm

2 stops26h 35m

Dublin

Tue 9/1

1:25 pm-10:34 pm

2 stops40h 09m

$900
Quickest round-trip

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

4:08 pm-12:20 pm

1 stop13h 12m

Dublin

Tue 9/1

3:25 pm-3:31 pm

1 stop31h 06m

$1,043

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

4:08 pm-12:20 pm

1 stop13h 12m

Dublin

Tue 9/1

7:00 pm-3:31 pm

2 stops51h 31m

$1,052

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

4:08 pm-12:20 pm

1 stop13h 12m

Dublin

Mon 8/31

3:25 pm-3:31 pm

1 stop31h 06m

$1,093

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

4:08 pm-12:20 pm

1 stop13h 12m

Dublin

Mon 8/31

9:30 am-3:31 pm

2 stops37h 01m

$1,111

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

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 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 airlines fly to Dublin?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Dublin from Helena according to our data. United Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 3 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

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 round-trip 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

43h 00m

Direct flights

None
The fastest flight from Helena to Dublin takes 43h 00m
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?

    There are 4272.7 mi between Helena and Dublin. In terms of flight time, this usually takes a little over 43h 00m.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Helena to Dublin?

Best airlines flying from Helena to Dublin

Compare and see reviews for airlines that fly from Helena to Dublin with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $487Free CancellationRating
7.4
9,525 reviews
Search United Airlines flights

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Swords
Athlone
Dundalk
Bray
Kildare
Mullingar
Wicklow
Drogheda
Portmarnock
Arklow
Castleknock
Leixlip
Carlingford
Cavan
Malahide
Maynooth
Naas
Slane
Thurles

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Helena to Dublin. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Helena to Dublin on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Helena and Dublin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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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