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Cheap flights from Helena to Dublin from $402

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 5/15. 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 round-trip flights

Enter your travel dates to find the best prices.
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
$462United 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
8:00 am - 8:25 pm
DUB
-
HLN
19h 25m
3 stops
$689United Airlines
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
4:36 pm - 1:10 pm
HLN
-
DUB
13h 34m
1 stop
Multiple Airlines Logo
4:30 pm - 3:59 pm
DUB
-
HLN
29h 29m
1 stop
$721Multiple Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
6:15 am - 7:20 am
HLN
-
DUB
18h 05m
2 stops
United Airlines Logo
9:50 am - 9:05 pm
DUB
-
HLN
42h 15m
2 stops
$777United Airlines
Thu, May 28 - Mon, Jun 8
Multiple Airlines Logo
4:36 pm - 11:15 am
HLN
-
DUB
35h 39m
2 stops
Multiple Airlines Logo
4:30 pm - 3:59 pm
DUB
-
HLN
29h 29m
1 stop
$819Multiple Airlines
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
4:43 pm - 6:30 am
HLN
-
DUB
30h 47m
2 stops
Multiple Airlines Logo
5:15 pm - 4:06 pm
DUB
-
HLN
29h 51m
2 stops
$831Multiple Airlines
Thu, May 28 - Mon, Jun 8
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
$1,396United Airlines
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
5:30 am - 11:45 am
HLN
-
DUB
23h 15m
3 stops
Multiple Airlines Logo
10:10 am - 12:21 pm
DUB
-
HLN
32h 11m
3 stops
$2,321Multiple Airlines
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
1:00 pm - 6:20 pm
HLN
-
DUB
22h 20m
3 stops
Multiple Airlines Logo
7:05 pm - 12:23 pm
DUB
-
HLN
48h 18m
3 stops
$2,488Multiple Airlines
Thu, May 28 - Mon, Jun 8

United Airlines flights from Helena to Dublin

Our best United Airlines deals on Helena to Dublin flight tickets
United Airlines
Mar 4
HLN6:15 amHelena
18h 55m
2 stops
DUB8:10 amDublin
Mar 8
DUB8:00 amDublin
35h 38m
2 stops
HLN12:38 pmHelena
$462
United Airlines
Mar 4
HLN6:15 amHelena
18h 15m
2 stops
DUB7:30 amDublin
Mar 8
DUB8:00 amDublin
19h 25m
3 stops
HLN8:25 pmHelena
$689
United Airlines
May 28
HLN6:15 amHelena
18h 05m
2 stops
DUB7:20 amDublin
Jun 8
DUB9:50 amDublin
42h 15m
2 stops
HLN9:05 pmHelena
$777

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 February 11, 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 3/4

6:15 am-8:10 am

2 stops18h 55m

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-7:30 am

2 stops18h 15m

Dublin

Sun 3/8

8:00 am-8:25 pm

3 stops19h 25m

$689

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 3/4

4:36 pm-1:10 pm

1 stop13h 34m

Dublin

Sun 3/8

4:30 pm-3:59 pm

1 stop29h 29m

$721

HelenaDublin

HLN - DUB

HLNDUB

Helena

Thu 5/28

6:15 am-7:20 am

2 stops18h 05m

Dublin

Mon 6/8

9:50 am-9:05 pm

2 stops42h 15m

$777

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 3/4

4:36 pm-11:15 am

2 stops35h 39m

Dublin

Sun 3/8

4:30 pm-3:59 pm

1 stop29h 29m

$819

HelenaDublin

HLN - DUB

HLNDUB

Helena

Thu 5/28

4:43 pm-6:30 am

2 stops30h 47m

Dublin

Mon 6/8

5:15 pm-4:06 pm

2 stops29h 51m

$831

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

$1,396

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 3/4

5:30 am-11:45 am

3 stops23h 15m

Dublin

Sun 3/8

10:10 am-12:21 pm

3 stops32h 11m

$2,321

HelenaDublin

HLN - DUB

HLNDUB

Helena

Thu 5/28

1:00 pm-6:20 pm

3 stops22h 20m

Dublin

Mon 6/8

7:05 pm-12:23 pm

3 stops48h 18m

$2,488

HelenaDublin

HLN - DUB

HLNDUB

Helena

Fri 5/15

2:30 pm-7:20 am

2 stops33h 50m

$402

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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 is the most popular carrier operating from Helena to Dublin

What airlines fly to Dublin?

United Airlines, American Airlines and Delta 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 62% 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

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?

    There are 4272.7 mi between Helena and Dublin. In terms of flight time, this usually takes a little over 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 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
9,276 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
Mullingar
Bray
Kildare
Wicklow
Drogheda
Portmarnock
Arklow
Castleknock
Malahide
Leixlip
Carlingford
Cavan
Maynooth
Naas
Thurles
Slane

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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