How long is the flight from Ireland to Montana?

Departing from Ireland to Montana will take you 21h 33m. Ireland and Montana are separated by a distance of 4285 mi.

In terms of precipitation, rainfall in Montana ranges from 10.0 - 50.0 inches per month. May is typically the wettest month, when rainfall can reach 50.0 mm. January is typically the driest time to visit Montana when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Montana, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

What is the cheapest time of day to fly from IE to MT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Montana as you normally would.

Can I find deals for flights from Ireland to Montana that include hotel bookings?

Yes. In addition to deals on Ireland to Montana flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Ireland to Montana?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Montana.

Can I find deals for business class flights from Ireland to Montana?

Yes. Cheapflights offers flight deals from Ireland to Montana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£547+ Cheap Flights from Ireland to Montana

Cheap flight deals from Ireland to Montana

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Ireland to Montana
Explore the most affordable flight options available from Ireland to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Mon 23/1108:50 -

2 stops21h 33m

Sun 29/1113:39 -

1 stop11h 16m

Deal found 18/9£722

Mon 9/1105:45 -

2 stops25h 14m

Sun 15/1105:20 -

2 stops26h 05m

Deal found 16/9£724

Thu 29/1006:00 -

2 stops23h 57m

Wed 4/1113:12 -

2 stops18h 18m

Deal found 17/9£728

Sat 31/1006:00 -

2 stops22h 38m

Sat 7/1105:30 -

2 stops25h 40m

Deal found 16/9£728

Thu 22/1010:00 -

2 stops21h 27m

Sun 25/1005:30 -

2 stops21h 15m

Deal found 16/9£737

Find flight deals from Ireland to Montana

Round-trip from	£722
One-way from	£547
Popular in	June
Cheapest in	February
Average price	£855

Delta
23/11-29/11
3 total stops
32h 49m total
Ireland to Montana

Search Deals

Delta
21/12-31/12
2 total stops
21h 26m total
Ireland to Montana

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£44 potential increase over avg. return price).

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Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

DublinBozeman

DUB Dublin - BZN Bozeman Gallatin Field

DUBBZN

Dublin

Mon 21/12

09:55-00:21

2 stops21h 26m

Bozeman Gallatin Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£547

DublinBozeman

DUB Dublin - BZN Bozeman Gallatin Field

DUBBZN

Dublin

Mon 23/11

08:50-23:23

2 stops21h 33m

Bozeman Gallatin Field

Sun 29/11

13:39-07:55

1 stop11h 16m

£722

DublinBozeman

DUB Dublin - BZN Bozeman Gallatin Field

DUBBZN

Dublin

Thu 29/10

09:55-23:57

1 stop20h 02m

Bozeman Gallatin Field

Wed 4/11

14:00-07:55

1 stop10h 55m

£732

DublinBozeman

DUB Dublin - BZN Bozeman Gallatin Field

DUBBZN

Dublin

Thu 22/10

10:00-00:27

2 stops21h 27m

Bozeman Gallatin Field

Sun 25/10

05:30-08:45

2 stops21h 15m

£737

DublinBozeman

DUB Dublin - BZN Bozeman Gallatin Field

DUBBZN

Dublin

Mon 23/11

09:00-11:45

2 stops33h 45m

Bozeman Gallatin Field

Sun 29/11

06:30-08:10

2 stops18h 40m

£798

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Sorted by cheapest first

Best time to book a flight from Ireland to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana from Ireland with our price prediction graph.

DUB-BZN

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Montana

IE0-USMT

DUB-BZN

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Ireland to Montana?
Departing from Ireland to Montana will take you 21h 33m. Ireland and Montana are separated by a distance of 4285 mi.
Can I find deals for flights from Ireland to Montana that include hotel bookings?
Yes. In addition to deals on Ireland to Montana flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland to Montana?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Montana.
Can I find deals for business class flights from Ireland to Montana?
Yes. Cheapflights offers flight deals from Ireland to Montana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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How does Cheapflights help users find flights from Ireland to Montana?

Cheapflights makes it easy to find Ireland to Montana flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ireland to Montana?

Cheapflights helps you find that perfect flight to Montana from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ireland to Montana with no change fees?

Certainly. Search results for flights to Montana from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ireland to Montana become cheaper?

Not ready to book yet? You can track prices for flights from Ireland to Montana on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Ireland to Montana from £547

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to Montana

Cheapest flights from Ireland to MontanaExplore the most affordable flight options available from Ireland to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Explore the most affordable flight options available from Ireland to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Best flights from Ireland to MontanaDiscover carefully curated flight deals from Ireland to Montana that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Discover carefully curated flight deals from Ireland to Montana that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Last-minute flights from Ireland to MontanaDiscover last-minute flight deals from Ireland to Montana. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from Ireland to Montana. Data last updated 19 September 2026 and is based on user searches.

One-way flights from Ireland to MontanaSearch for one-way flight options from Ireland to Montana. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Search for one-way flight options from Ireland to Montana. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

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Best time to book a flight from Ireland to Montana

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Related info for your journey

How long is the flight from Ireland to Montana?

Can I find deals for flights from Ireland to Montana that include hotel bookings?

How can I find direct flights from Ireland to Montana?

Can I find deals for business class flights from Ireland to Montana?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Airlines flying to Montana

Alternative routes for Ireland to Montana

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Montana by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Ireland to Montana by cabin class

Find flights from Ireland to Montana, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ireland and Montana flights

Browse other Ireland and Montana flight options. Last updated on 19 September 2026.

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How does Cheapflights help users find flights from Ireland to Montana?

Why should you use Cheapflights to find cheap flight tickets from Ireland to Montana?

Can Cheapflights find flights from Ireland to Montana with no change fees?

Can Cheapflights notify me if prices for flights from Ireland to Montana become cheaper?

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Book with Flexibility

Travel Smart

Cheapest flights from Ireland to Montana
Explore the most affordable flight options available from Ireland to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Best flights from Ireland to Montana
Discover carefully curated flight deals from Ireland to Montana that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Last-minute flights from Ireland to Montana
Discover last-minute flight deals from Ireland to Montana. Data last updated 19 September 2026 and is based on user searches.

One-way flights from Ireland to Montana
Search for one-way flight options from Ireland to Montana. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.