What airlines fly to Ireland?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Ireland from Montana according to our data. United Airlines is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 4 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Montana to Ireland?

United Airlines, American Airlines, and Delta are the most popular carriers operating from Montana to Ireland

How long is the flight from Montana to Ireland?

Flight times from Montana to Ireland vary, but if you’re flying out of Kalispell and flying into Dublin (one of the most popular routes), then the duration is 12h 25m on average. Another popular route from Montana to Ireland is flying from Bozeman to Dublin, which will take roughly 12h 40m. Keep in mind that layovers or delays could extend your travel time.

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?

As of September 2025, there are 4 operators available to choose from 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.

$294 Cheap Flights from Montana to Ireland in 2025/26

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Find the cheapest flights from Montana to Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

6:35 am - 10:20 amBZN-DUB

21h 45m2 stops

9:00 am - 11:43 amDUB-BZN

33h 43m2 stops

$509United Airlines

Find Deal

Tue, Oct 28 - Fri, Nov 7

6:10 am - 8:10 amFCA-DUB

19h 00m2 stops

9:00 am - 9:44 pmDUB-FCA

43h 44m2 stops

$509United Airlines

Find Deal

Sun, Nov 9 - Wed, Nov 19

7:00 am - 7:10 amBIL-DUB

17h 10m2 stops

8:00 am - 8:51 pmDUB-BIL

18h 51m2 stops

$534Air Canada

Find Deal

Sun, Mar 1 - Wed, Mar 11

5:51 pm - 7:10 amBIL-DUB

30h 19m2 stops

8:00 am - 8:51 pmDUB-BIL

42h 51m2 stops

$566Air Canada

Find Deal

Sat, Feb 28 - Mon, Mar 9

9:47 am - 10:20 amBTM-DUB

17h 33m2 stops

5:00 am - 10:14 pmDUB-BTM

24h 14m2 stops

$579Multiple Airlines

Find Deal

Thu, Nov 6 - Thu, Nov 13

2:31 pm - 7:10 amBIL-DUB

33h 39m2 stops

5:00 am - 9:18 pmDUB-BIL

23h 18m2 stops

$581Multiple Airlines

Find Deal

Thu, Nov 6 - Thu, Nov 13

1:00 pm - 11:15 amBZN-DUB

16h 15m2 stops

12:55 pm - 12:41 pmDUB-BZN

30h 46m1 stop

$586American Airlines

Find Deal

Tue, Oct 28 - Fri, Nov 7

2:51 pm - 7:45 amFCA-DUB

33h 54m1 stop

6:00 am - 11:00 pmDUB-FCA

24h 00m2 stops

$592Delta

Find Deal

Mon, Nov 10 - Thu, Nov 20

3:24 pm - 7:45 amFCA-DUB

33h 21m2 stops

9:45 am - 1:56 pmDUB-FCA

35h 11m1 stop

$593Delta

Find Deal

Sat, Nov 8 - Tue, Nov 18

1:58 pm - 1:35 pmBIL-DUB

16h 37m2 stops

12:55 pm - 9:15 pmDUB-BIL

15h 20m1 stop

$685American Airlines

Find Deal

Fri, Dec 5 - Sun, Dec 14

Delta flights from Montana to Ireland

Our best Delta deals on Montana to Ireland flight tickets

Delta

Nov 10

FCA2:51 pmKalispell Glacier Park

33h 54m

1 stop

DUB7:45 amDublin

Nov 20

DUB6:00 amDublin

24h 00m

2 stops

FCA11:00 pmKalispell Glacier Park

$592

Find similar

Delta

Nov 8

FCA3:24 pmKalispell Glacier Park

33h 21m

2 stops

DUB7:45 amDublin

Nov 18

DUB9:45 amDublin

35h 11m

1 stop

FCA1:56 pmKalispell Glacier Park

$593

Find similar

Delta

Nov 10

FCA2:51 pmKalispell Glacier Park

33h 54m

1 stop

DUB7:45 amDublin

Nov 18

DUB9:45 amDublin

35h 11m

1 stop

FCA1:56 pmKalispell Glacier Park

$594

Find similar

United Airlines flights from Montana to Ireland

Our best United Airlines deals on Montana to Ireland flight tickets

United Airlines

Nov 9

FCA6:10 amKalispell Glacier Park

19h 00m

2 stops

DUB8:10 amDublin

Nov 19

DUB9:00 amDublin

43h 44m

2 stops

FCA9:44 pmKalispell Glacier Park

$509

Find similar

United Airlines

Nov 8

FCA2:38 pmKalispell Glacier Park

33h 32m

2 stops

DUB7:10 amDublin

Nov 19

DUB9:00 amDublin

43h 44m

2 stops

FCA9:44 pmKalispell Glacier Park

$516

Find similar

United Airlines

Feb 28

BIL5:51 pmBillings Logan Intl

31h 19m

2 stops

DUB8:10 amDublin

Mar 11

DUB8:00 amDublin

18h 51m

2 stops

BIL8:51 pmBillings Logan Intl

$532

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Tue 10/28

6:35 am-10:20 am

2 stops21h 45m

Dublin

Fri 11/7

9:00 am-11:43 am

2 stops33h 43m

$509

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Sun 11/9

6:10 am-8:10 am

2 stops19h 00m

Dublin

Wed 11/19

9:00 am-9:44 pm

2 stops43h 44m

$509

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Sun 3/1

7:00 am-7:10 am

2 stops17h 10m

Dublin

Wed 3/11

8:00 am-8:51 pm

2 stops18h 51m

$534

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Sat 2/28

5:51 pm-7:10 am

2 stops30h 19m

Dublin

Mon 3/9

8:00 am-8:51 pm

2 stops42h 51m

$566

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Thu 11/6

9:47 am-10:20 am

2 stops17h 33m

Dublin

Thu 11/13

5:00 am-10:14 pm

2 stops24h 14m

$579

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Thu 11/6

2:31 pm-7:10 am

2 stops33h 39m

Dublin

Thu 11/13

5:00 am-9:18 pm

2 stops23h 18m

$581

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Tue 10/28

1:00 pm-11:15 am

2 stops16h 15m

Dublin

Fri 11/7

12:55 pm-12:41 pm

1 stop30h 46m

$586

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Mon 11/10

2:51 pm-7:45 am

1 stop33h 54m

Dublin

Thu 11/20

6:00 am-11:00 pm

2 stops24h 00m

$592

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Sat 11/8

3:24 pm-7:45 am

2 stops33h 21m

Dublin

Tue 11/18

9:45 am-1:56 pm

1 stop35h 11m

$593

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Fri 12/5

1:58 pm-1:35 pm

2 stops16h 37m

Dublin

Sun 12/14

12:55 pm-9:15 pm

1 stop15h 20m

$685

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Ireland?

In general, November 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 $642. If you aren’t able to travel to Ireland during the month of November, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $675.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as $668. This is often the case because there is less demand to fly during this day of the week. Flights from Montana to Ireland on a Sunday will generally be more expensive and average around $1,160. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ireland?

According to our data, the cheapest time of day to fly to Ireland is in the morning. momondo users have found flights departing from Montana to Ireland in the morning for as low as $870. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around $1,175.

Can stopping save me money on Montana to Ireland flights?

You could potentially save up to 20% 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

Direct flights	None

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?
As of September 2025, there are 4 operators available to choose from 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 Airlines	PriceFrom $385	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $556	Free Cancellation	Rating 7.9 7,974 reviews	Search Delta flights
KLM	PriceFrom $570	Free Cancellation	Rating 7.8 1,387 reviews	Search KLM 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.