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Cheap flights from Helena to Dublin from $479

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 11/19. 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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Cheap round-trip flights

United Airlines Logo
6:40 am - 9:55 amHLN-DUB
20h 15m2 stops
United Airlines Logo
9:00 am - 1:27 pmDUB-HLN
35h 27m2 stops
$479United Airlines
Find Deal
Wed, Nov 19 - Wed, Nov 26
United Airlines Logo
6:15 am - 7:30 amHLN-DUB
18h 15m2 stops
United Airlines Logo
9:00 am - 8:59 pmDUB-HLN
18h 59m2 stops
$502United Airlines
Find Deal
Wed, Feb 11 - Fri, Feb 27
Multiple Airlines Logo
6:40 am - 7:30 amHLN-DUB
17h 50m2 stops
Multiple Airlines Logo
5:00 am - 9:22 pmDUB-HLN
23h 22m2 stops
$553Multiple Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 4
United Airlines Logo
6:20 am - 9:55 amHLN-DUB
20h 35m2 stops
United Airlines Logo
12:05 pm - 1:27 pmDUB-HLN
31h 22m2 stops
$557United Airlines
Find Deal
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
6:10 am - 7:10 amHLN-DUB
42h 00m2 stops
Multiple Airlines Logo
5:00 am - 9:26 pmDUB-HLN
23h 26m2 stops
$560Multiple Airlines
Find Deal
Wed, Dec 24 - Thu, Jan 15
Multiple Airlines Logo
6:10 am - 7:10 amHLN-DUB
18h 00m2 stops
Multiple Airlines Logo
5:00 am - 9:26 pmDUB-HLN
23h 26m2 stops
$630Multiple Airlines
Find Deal
Thu, Dec 25 - Thu, Jan 8
Multiple Airlines Logo
6:40 am - 7:10 amHLN-DUB
17h 30m3 stops
Multiple Airlines Logo
5:00 am - 9:22 pmDUB-HLN
23h 22m2 stops
$665Multiple Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 4
United Airlines Logo
7:00 am - 6:10 amHLN-DUB
17h 10m2 stops
United Airlines Logo
8:00 am - 1:27 pmDUB-HLN
35h 27m2 stops
$890United Airlines
Find Deal
Sat, Mar 14 - Sat, Mar 21
United Airlines Logo
7:00 am - 6:10 amHLN-DUB
17h 10m2 stops
United Airlines Logo
8:00 am - 8:59 pmDUB-HLN
18h 59m3 stops
$1,036United Airlines
Find Deal
Sat, Mar 14 - Sat, Mar 21

United Airlines flights from Helena to Dublin

Our best United Airlines deals on Helena to Dublin flight tickets
United Airlines
Nov 19
HLN6:40 amHelena
20h 15m
2 stops
DUB9:55 amDublin
Nov 26
DUB9:00 amDublin
35h 27m
2 stops
HLN1:27 pmHelena
$479
Find similar
United Airlines
Feb 11
HLN6:15 amHelena
18h 15m
2 stops
DUB7:30 amDublin
Feb 27
DUB9:00 amDublin
18h 59m
2 stops
HLN8:59 pmHelena
$502
Find similar
United Airlines
Mar 4
HLN6:20 amHelena
20h 35m
2 stops
DUB9:55 amDublin
Mar 8
DUB12:05 pmDublin
31h 22m
2 stops
HLN1:27 pmHelena
$557
Find similar

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 September 17, 2025.
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 11/19

6:40 am-9:55 am

2 stops20h 15m

Dublin

Wed 11/26

9:00 am-1:27 pm

2 stops35h 27m

$479

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 2/11

6:15 am-7:30 am

2 stops18h 15m

Dublin

Fri 2/27

9:00 am-8:59 pm

2 stops18h 59m

$502

HelenaDublin

HLN - DUB

HLNDUB

Helena

Thu 11/27

6:40 am-7:30 am

2 stops17h 50m

Dublin

Thu 12/4

5:00 am-9:22 pm

2 stops23h 22m

$553

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 3/4

6:20 am-9:55 am

2 stops20h 35m

Dublin

Sun 3/8

12:05 pm-1:27 pm

2 stops31h 22m

$557

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 12/24

6:10 am-7:10 am

2 stops42h 00m

Dublin

Thu 1/15

5:00 am-9:26 pm

2 stops23h 26m

$560

HelenaDublin

HLN - DUB

HLNDUB

Helena

Thu 12/25

6:10 am-7:10 am

2 stops18h 00m

Dublin

Thu 1/8

5:00 am-9:26 pm

2 stops23h 26m

$630

HelenaDublin

HLN - DUB

HLNDUB

Helena

Thu 11/27

6:40 am-7:10 am

3 stops17h 30m

Dublin

Thu 12/4

5:00 am-9:22 pm

2 stops23h 22m

$665

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sat 3/14

7:00 am-6:10 am

2 stops17h 10m

Dublin

Sat 3/21

8:00 am-1:27 pm

2 stops35h 27m

$890

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sat 3/14

7:00 am-6:10 am

2 stops17h 10m

Dublin

Sat 3/21

8:00 am-8:59 pm

3 stops18h 59m

$1,036

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 is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from Helena to Dublin is on a Thursday. Travelers who choose to depart for Dublin on a Thursday will often find tickets for as low as $1,001. Flights from Helena to Dublin on a Wednesday will generally be more expensive and average around $1,186. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Direct flights

None
There are no direct flights from Helena to Dublin. There are no popular flight routes from Helena to Dublin.
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  • 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 17h 10m.

  • 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 $542Free CancellationRating
7.4
8,926 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
Athlone
Swords
Dundalk
Malahide
Maynooth
Bray
Leixlip
Castleknock
Kildare
Naas
Mullingar
Arklow
Cavan
Drogheda
Enniscorthy
Wicklow
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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