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Cheap flights from Montana to Ireland from $287

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Ireland departing on 5/30. 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 Montana to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:00 am - 8:10 am
BTM
-
DUB
15h 10m
2 stops
United Airlines Logo
9:00 am - 10:26 pm
DUB
-
BTM
44h 26m
2 stops
$458United Airlines
Wed, Feb 25 - Sun, Mar 1
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 - 9:55 am
MSO
-
DUB
20h 40m
3 stops
United Airlines Logo
9:00 am - 9:57 pm
DUB
-
MSO
43h 57m
2 stops
$462United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
12:39 pm - 9:45 am
BZN
-
DUB
14h 06m
1 stop
United Airlines Logo
9:50 am - 9:37 pm
DUB
-
BZN
42h 47m
2 stops
$464United Airlines
Tue, Mar 31 - Fri, May 1
American Airlines Logo
1:08 pm - 2:35 pm
MSO
-
DUB
18h 27m
2 stops
American Airlines Logo
9:30 am - 9:45 pm
DUB
-
MSO
19h 15m
1 stop
$482American Airlines
Wed, Apr 15 - Fri, Apr 24
Multiple Airlines Logo
6:20 am - 7:45 am
BIL
-
DUB
18h 25m
1 stop
Multiple Airlines Logo
5:15 pm - 8:19 pm
DUB
-
BIL
33h 04m
2 stops
$483Multiple Airlines
Sun, Mar 1 - Sun, Mar 8
Multiple Airlines Logo
6:20 am - 7:45 am
BIL
-
DUB
18h 25m
1 stop
Multiple Airlines Logo
9:45 am - 8:19 pm
DUB
-
BIL
16h 34m
1 stop
$485Multiple Airlines
Sun, Mar 1 - Sun, Mar 8
Delta Logo
5:59 am - 7:55 am
BZN
-
DUB
18h 56m
1 stop
Delta Logo
8:55 am - 11:09 pm
DUB
-
BZN
21h 14m
2 stops
$488Delta
Wed, May 6 - Wed, May 13
Air Europa Logo
8:32 am - 7:55 am
MSO
-
DUB
16h 23m
1 stop
Air Europa Logo
1:25 pm - 11:37 pm
DUB
-
MSO
41h 12m
2 stops
$538Air Europa
Tue, Apr 28 - Wed, May 6
Air Europa Logo
8:32 am - 7:55 am
MSO
-
DUB
16h 23m
1 stop
Air Europa Logo
10:00 am - 8:02 pm
DUB
-
MSO
17h 02m
1 stop
$590Air Europa
Tue, Apr 28 - Wed, May 6

KLM flights from Montana to Ireland

Our best KLM deals on Montana to Ireland flight tickets
KLM
Feb 12
MSO1:16 pmMissoula Johnson-Bell Field
25h 54m
2 stops
DUB10:10 pmDublin
Feb 21
DUB5:55 amDublin
21h 06m
2 stops
MSO8:01 pmMissoula Johnson-Bell Field
$493
KLM
Apr 16
BZN1:45 pmBozeman Gallatin Field
11h 10m
1 stop
DUB7:55 amDublin
Apr 25
DUB10:00 amDublin
17h 11m
1 stop
BZN8:11 pmBozeman Gallatin Field
$591
KLM
May 26
BIL6:25 pmBillings Logan Intl
15h 15m
2 stops
DUB4:40 pmDublin
Jun 4
DUB11:10 amDublin
18h 53m
2 stops
BIL11:03 pmBillings Logan Intl
$630

Air Canada flights from Montana to Ireland

Our best Air Canada deals on Montana to Ireland flight tickets
Air Canada
Jul 31
BIL5:55 pmBillings Logan Intl
55h 20m
2 stops
DUB8:15 amDublin
Aug 14
DUB9:20 amDublin
42h 31m
2 stops
BIL8:51 pmBillings Logan Intl
$614
Air Canada
Jul 31
BIL5:55 pmBillings Logan Intl
55h 20m
2 stops
DUB8:15 amDublin
Aug 14
DUB9:20 amDublin
42h 31m
2 stops
BIL8:51 pmBillings Logan Intl
$624
Air Canada
Jul 31
BIL5:55 pmBillings Logan Intl
55h 20m
2 stops
DUB8:15 amDublin
Aug 14
DUB9:20 amDublin
42h 31m
2 stops
BIL8:51 pmBillings Logan Intl
$643

momondo Fare Finder

 
Customize your flight search to find flights from Montana 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 9, 2026.
Use the filters below to find and compare flights from Montana to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Wed 2/25

10:00 am-8:10 am

2 stops15h 10m

Dublin

Sun 3/1

9:00 am-10:26 pm

2 stops44h 26m

$458

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

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 2/25

6:15 am-9:55 am

3 stops20h 40m

Dublin

Sun 3/1

9:00 am-9:57 pm

2 stops43h 57m

$462

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Tue 3/31

12:39 pm-9:45 am

1 stop14h 06m

Dublin

Fri 5/1

9:50 am-9:37 pm

2 stops42h 47m

$464

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 4/15

1:08 pm-2:35 pm

2 stops18h 27m

Dublin

Fri 4/24

9:30 am-9:45 pm

1 stop19h 15m

$482

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Sun 3/1

6:20 am-7:45 am

1 stop18h 25m

Dublin

Sun 3/8

5:15 pm-8:19 pm

2 stops33h 04m

$483

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Sun 3/1

6:20 am-7:45 am

1 stop18h 25m

Dublin

Sun 3/8

9:45 am-8:19 pm

1 stop16h 34m

$485

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Wed 5/6

5:59 am-7:55 am

1 stop18h 56m

Dublin

Wed 5/13

8:55 am-11:09 pm

2 stops21h 14m

$488

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Tue 4/28

8:32 am-7:55 am

1 stop16h 23m

Dublin

Wed 5/6

1:25 pm-11:37 pm

2 stops41h 12m

$538

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Tue 4/28

8:32 am-7:55 am

1 stop16h 23m

Dublin

Wed 5/6

10:00 am-8:02 pm

1 stop17h 02m

$590

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Montana 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 is the cheapest month to fly to Ireland?

In general, February is the cheapest month to fly from Montana to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $494. If you aren’t able to travel to Ireland during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $532.

Can stopping save me money on Montana to Ireland flights?

You could potentially save up to 2% on your flight if you consider stops on a Montana to Ireland flight.

Cheap Montana to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Ireland

Fastest flight time

12h 37m

Direct flights

None
The fastest flight from Montana to Ireland takes 12h 37m
There are no direct flights from Montana to Ireland. There are no popular flight routes from Montana to Ireland.
Search flight deals

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

    Prices for flights from Montana to Ireland are refreshed on a daily basis.

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

  • How old do you have to be to fly from Montana to Ireland?

    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 Montana to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Montana to Ireland

Compare and see reviews for airlines that fly from Montana to Ireland with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $385Free CancellationRating
7.4
9,263 reviews
Search United Airlines flights
DeltaPriceFrom $456Free CancellationRating
7.9
8,176 reviews
Search Delta flights
American AirlinesPriceFrom $489Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ireland from Montana.

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

momondo does allow users to show only those flights to Ireland from Montana which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Montana to Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Montana 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.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Ireland

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Popular flights according to clicks in the last 7 days on momondo
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