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 65% 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.

How long is the flight from Montana to Ireland?

Flight times from Montana to Ireland vary, but if you’re flying out of Missoula and flying into Dublin (one of the most popular routes), then the duration is 16h 45m on average. Another popular route from Montana to Ireland is flying from Bozeman to Dublin, which will take roughly 17h 36m. Keep in mind that layovers or delays could extend your travel time.

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

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

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 November 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.

$389 Cheap Flights from Montana to Ireland in 2025/26

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Find the cheapest flights from Montana to Ireland

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One-way

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Cheap round-trip flights

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6:04 am - 7:45 amBZN-DUB

18h 41m1 stop

9:45 am - 11:34 pmDUB-BZN

20h 49m1 stop

$433Delta

Find Deal

Tue, Nov 18 - Tue, Nov 25

6:04 am - 7:45 amBZN-DUB

18h 41m1 stop

11:30 am - 10:45 amDUB-BZN

30h 15m2 stops

$438Delta

Find Deal

Tue, Nov 18 - Wed, Nov 26

6:04 am - 7:45 amBZN-DUB

18h 41m1 stop

5:15 pm - 5:54 pmDUB-BZN

31h 39m2 stops

$453Multiple Airlines

Find Deal

Tue, Nov 18 - Tue, Nov 25

12:45 pm - 8:10 amBZN-DUB

12h 25m1 stop

9:00 am - 1:36 pmDUB-BZN

35h 36m2 stops

$455United Airlines

Find Deal

Mon, Nov 17 - Wed, Nov 26

7:25 am - 7:45 amBZN-DUB

17h 20m2 stops

1:25 pm - 5:54 pmDUB-BZN

35h 29m2 stops

$458Multiple Airlines

Find Deal

Tue, Nov 18 - Tue, Nov 25

5:00 am - 8:10 amBIL-DUB

20h 10m2 stops

9:00 am - 9:21 pmDUB-BIL

43h 21m2 stops

$460United Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 8

7:00 am - 6:10 amBIL-DUB

41h 10m2 stops

9:50 am - 10:41 pmDUB-BIL

43h 51m2 stops

$590Air Canada

Find Deal

Mon, Mar 23 - Tue, Apr 14

2:40 pm - 5:10 pmBIL-DUB

20h 30m2 stops

5:45 pm - 8:51 pmDUB-BIL

34h 06m2 stops

$616Lufthansa

Find Deal

Mon, Mar 23 - Mon, Apr 13

2:40 pm - 4:25 pmBIL-DUB

19h 45m2 stops

5:40 pm - 8:51 pmDUB-BIL

34h 11m2 stops

$646Lufthansa

Find Deal

Tue, Mar 24 - Mon, Apr 13

5:57 pm - 7:10 amBIL-DUB

30h 13m3 stops

9:00 am - 9:21 pmDUB-BIL

19h 21m3 stops

$1,357Air Canada

Find Deal

Mon, Dec 1 - Mon, Dec 8

Delta flights from Montana to Ireland

Our best Delta deals on Montana to Ireland flight tickets

Delta

Nov 18

BZN6:04 amBozeman Gallatin Field

18h 41m

1 stop

DUB7:45 amDublin

Nov 25

DUB9:45 amDublin

20h 49m

1 stop

BZN11:34 pmBozeman Gallatin Field

$433

Find similar

Delta

Nov 18

BZN6:04 amBozeman Gallatin Field

18h 41m

1 stop

DUB7:45 amDublin

Nov 26

DUB11:30 amDublin

30h 15m

2 stops

BZN10:45 amBozeman Gallatin Field

$438

Find similar

Delta

Nov 17

BZN6:34 pmBozeman Gallatin Field

31h 46m

2 stops

DUB9:20 amDublin

Nov 26

DUB11:30 amDublin

30h 15m

2 stops

BZN10:45 amBozeman Gallatin Field

$443

Find similar

United Airlines flights from Montana to Ireland

Our best United Airlines deals on Montana to Ireland flight tickets

United Airlines

Nov 17

BZN12:45 pmBozeman Gallatin Field

12h 25m

1 stop

DUB8:10 amDublin

Nov 26

DUB9:00 amDublin

35h 36m

2 stops

BZN1:36 pmBozeman Gallatin Field

$455

Find similar

United Airlines

Dec 1

BIL5:00 amBillings Logan Intl

20h 10m

2 stops

DUB8:10 amDublin

Dec 8

DUB9:00 amDublin

43h 21m

2 stops

BIL9:21 pmBillings Logan Intl

$460

Find similar

United Airlines

Nov 17

BZN12:45 pmBozeman Gallatin Field

12h 25m

1 stop

DUB8:10 amDublin

Nov 24

DUB9:00 amDublin

32h 00m

2 stops

BZN10:00 amBozeman Gallatin Field

$478

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Tue 11/18

6:04 am-7:45 am

1 stop18h 41m

Dublin

Tue 11/25

9:45 am-11:34 pm

1 stop20h 49m

$433

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Tue 11/18

6:04 am-7:45 am

1 stop18h 41m

Dublin

Wed 11/26

11:30 am-10:45 am

2 stops30h 15m

$438

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Tue 11/18

6:04 am-7:45 am

1 stop18h 41m

Dublin

Tue 11/25

5:15 pm-5:54 pm

2 stops31h 39m

$453

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Mon 11/17

12:45 pm-8:10 am

1 stop12h 25m

Dublin

Wed 11/26

9:00 am-1:36 pm

2 stops35h 36m

$455

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Tue 11/18

7:25 am-7:45 am

2 stops17h 20m

Dublin

Tue 11/25

1:25 pm-5:54 pm

2 stops35h 29m

$458

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Mon 12/1

5:00 am-8:10 am

2 stops20h 10m

Dublin

Mon 12/8

9:00 am-9:21 pm

2 stops43h 21m

$460

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Mon 3/23

7:00 am-6:10 am

2 stops41h 10m

Dublin

Tue 4/14

9:50 am-10:41 pm

2 stops43h 51m

$590

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Mon 3/23

2:40 pm-5:10 pm

2 stops20h 30m

Dublin

Mon 4/13

5:45 pm-8:51 pm

2 stops34h 06m

$616

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Tue 3/24

2:40 pm-4:25 pm

2 stops19h 45m

Dublin

Mon 4/13

5:40 pm-8:51 pm

2 stops34h 11m

$646

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Mon 12/1

5:57 pm-7:10 am

3 stops30h 13m

Dublin

Mon 12/8

9:00 am-9:21 pm

3 stops19h 21m

$1,357

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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, March 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 $594. If you aren’t able to travel to Ireland during the month of March, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $640.

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 26% 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.

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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 November 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 9,003 reviews	Search United Airlines flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
Delta	PriceFrom $551	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
KLM	PriceFrom $570	Free Cancellation	Rating 7.7 1,405 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.