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 66% 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 Bozeman and flying into Dublin (one of the most popular routes), then the duration is 10h 33m on average. Another popular route from Montana to Ireland is flying from Missoula to Dublin, which will take roughly 12h 51m. 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 December 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.

$458 Cheap Flights from Montana to Ireland in 2025/26

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Find the cheapest flights from Montana to Ireland

Round-trip

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 am - 7:10 am

BTM

DUB

14h 10m2 stops

9:00 am - 10:26 pm

DUB

BTM

44h 26m2 stops

$458United Airlines

Thu, Feb 12 - Wed, Feb 18

9:24 am - 7:30 am

BTM

DUB

15h 06m2 stops

9:50 am - 10:22 pm

DUB

BTM

43h 32m2 stops

$460United Airlines

Sun, Apr 19 - Tue, May 5

4:29 pm - 8:10 am

BZN

DUB

32h 41m2 stops

8:00 am - 11:40 am

DUB

BZN

33h 40m2 stops

$460United Airlines

Mon, Mar 2 - Mon, Mar 9

11:40 am - 12:40 pm

BIL

DUB

18h 00m2 stops

9:45 am - 7:39 pm

DUB

BIL

16h 54m1 stop

$471KLM

Mon, Feb 16 - Wed, Mar 4

5:53 pm - 7:10 am

BIL

DUB

30h 17m3 stops

9:00 am - 1:23 pm

DUB

BIL

35h 23m2 stops

$476Multiple Airlines

Mon, Feb 16 - Wed, Mar 4

6:10 pm - 8:45 am

BTM

DUB

31h 35m2 stops

1:25 pm - 5:05 pm

DUB

BTM

34h 40m2 stops

$485Delta

Sat, Apr 18 - Thu, Apr 30

2:22 pm - 7:55 am

BZN

DUB

10h 33m1 stop

1:25 pm - 8:11 pm

DUB

BZN

37h 46m2 stops

$485Delta

Mon, Apr 20 - Thu, Apr 30

6:00 am - 8:45 am

BZN

DUB

19h 45m2 stops

5:15 pm - 8:06 pm

DUB

BZN

33h 51m2 stops

$486Multiple Airlines

Wed, Jan 28 - Tue, Feb 3

3:03 pm - 11:30 am

BZN

SNN

37h 27m2 stops

5:30 pm - 11:56 pm

SNN

BZN

37h 26m2 stops

$807British Airways

Wed, Feb 4 - Sun, Feb 8

3:03 pm - 11:25 pm

BZN

ORK

25h 22m2 stops

4:05 pm - 11:56 pm

ORK

BZN

38h 51m2 stops

$836British Airways

Wed, Feb 4 - Sun, Feb 8

KLM flights from Montana to Ireland

Our best KLM deals on Montana to Ireland flight tickets

KLM

Feb 16

BIL11:40 amBillings Logan Intl

18h 00m

2 stops

DUB12:40 pmDublin

Mar 4

DUB9:45 amDublin

16h 54m

1 stop

BIL7:39 pmBillings Logan Intl

$471

Find similar

KLM

Mar 2

BZN2:39 pmBozeman Gallatin Field

34h 06m

1 stop

DUB7:45 amDublin

Mar 9

DUB9:45 amDublin

16h 29m

1 stop

BZN8:14 pmBozeman Gallatin Field

$541

Find similar

KLM

May 13

MSO8:00 amMissoula Johnson-Bell Field

16h 55m

1 stop

DUB7:55 amDublin

May 26

DUB12:00 pmDublin

15h 07m

1 stop

MSO8:07 pmMissoula Johnson-Bell Field

$585

Find similar

United Airlines flights from Montana to Ireland

Our best United Airlines deals on Montana to Ireland flight tickets

United Airlines

Feb 12

BTM10:00 amButte Silver Bow Co

14h 10m

2 stops

DUB7:10 amDublin

Feb 18

DUB9:00 amDublin

44h 26m

2 stops

BTM10:26 pmButte Silver Bow Co

$458

Find similar

United Airlines

Apr 19

BTM9:24 amButte Silver Bow Co

15h 06m

2 stops

DUB7:30 amDublin

May 5

DUB9:50 amDublin

43h 32m

2 stops

BTM10:22 pmButte Silver Bow Co

$460

Find similar

United Airlines

Mar 2

BZN10:50 amBozeman Gallatin Field

37h 20m

2 stops

DUB7:10 amDublin

Mar 9

DUB8:00 amDublin

44h 11m

2 stops

BZN10:11 pmBozeman Gallatin Field

$462

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Thu 2/12

10:00 am-7:10 am

2 stops14h 10m

Dublin

Wed 2/18

9:00 am-10:26 pm

2 stops44h 26m

$458

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Sun 4/19

9:24 am-7:30 am

2 stops15h 06m

Dublin

Tue 5/5

9:50 am-10:22 pm

2 stops43h 32m

$460

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Mon 3/2

4:29 pm-8:10 am

2 stops32h 41m

Dublin

Mon 3/9

8:00 am-11:40 am

2 stops33h 40m

$460

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Mon 2/16

11:40 am-12:40 pm

2 stops18h 00m

Dublin

Wed 3/4

9:45 am-7:39 pm

1 stop16h 54m

$471

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Mon 2/16

5:53 pm-7:10 am

3 stops30h 17m

Dublin

Wed 3/4

9:00 am-1:23 pm

2 stops35h 23m

$476

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Sat 4/18

6:10 pm-8:45 am

2 stops31h 35m

Dublin

Thu 4/30

1:25 pm-5:05 pm

2 stops34h 40m

$485

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Mon 4/20

2:22 pm-7:55 am

1 stop10h 33m

Dublin

Thu 4/30

1:25 pm-8:11 pm

2 stops37h 46m

$485

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Wed 1/28

6:00 am-8:45 am

2 stops19h 45m

Dublin

Tue 2/3

5:15 pm-8:06 pm

2 stops33h 51m

$486

BozemanShannon

BZN - SNN

BZNSNN

Bozeman Gallatin Field

Wed 2/4

3:03 pm-11:30 am

2 stops37h 27m

Shannon

Sun 2/8

5:30 pm-11:56 pm

2 stops37h 26m

$807

BozemanCork

BZN - ORK

BZNORK

Bozeman Gallatin Field

Wed 2/4

3:03 pm-11:25 pm

2 stops25h 22m

Cork

Sun 2/8

4:05 pm-11:56 pm

2 stops38h 51m

$836

Flights are sorted by cheapest round-trip flights first.

Sorted 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 $532. 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 $574.

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 6% 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	10h 33m
Direct flights	None

The fastest flight from Montana to Ireland takes 10h 33m

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 December 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 9,105 reviews	Search United Airlines flights
Delta	PriceFrom $456	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.2 11,055 reviews	Search American Airlines flights
KLM	PriceFrom $570	Free Cancellation	Rating 7.7 1,434 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.