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Cheap flights from Ireland to Montana from £627

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BZN
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Montana

Enter your travel dates to find the best prices.

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 29 April 2026.

Wed 10/611:30
DUB
-
BZN
1 stop29h 56m
JetBlue
Wed 17/612:42
BZN
-
DUB
1 stop12h 38m
JetBlue
Deal found 26/4£731
Fri 12/611:30
DUB
-
BZN
1 stop29h 56m
JetBlue
Fri 19/612:42
BZN
-
DUB
1 stop12h 38m
JetBlue
Deal found 27/4£744
Thu 5/1110:40
DUB
-
BZN
2 stops30h 07m
United Airlines
Mon 9/1112:30
BZN
-
DUB
1 stop12h 40m
United Airlines
Deal found 26/4£799
Thu 29/1013:35
DUB
-
BZN
2 stops29h 53m
United Airlines
Mon 2/1112:30
BZN
-
DUB
2 stops14h 50m
United Airlines
Deal found 29/4£819
Thu 7/511:10
DUB
-
BZN
2 stops19h 34m
Delta
Mon 11/506:00
BZN
-
DUB
2 stops26h 25m
Delta
Deal found 28/4£837
Thu 7/511:10
DUB
-
BZN
2 stops19h 34m
KLM
Mon 11/514:19
BZN
-
DUB
1 stop35h 26m
KLM
Deal found 28/4£839
Wed 10/605:55
DUB
-
BZN
2 stops15h 53m
KLM
Wed 17/615:53
BZN
-
DUB
1 stop33h 02m
KLM
Deal found 26/4£840
Sat 13/609:15
DUB
-
BZN
2 stops20h 33m
Delta
Sat 20/611:27
BZN
-
DUB
2 stops15h 33m
Delta
Deal found 29/4£842

Find flight deals from Ireland to Montana

Keep the following information in mind while searching for Ireland to Montana flight deals. Data was last updated 29 April 2026.

Round-trip from

£731

One-way from

£627

Popular in

July

Cheapest in

February

Average price

£716
JetBlue
  • JetBlue
  • 10/6-17/6
  • 2 total stops
  • 42h 34m total
  • Ireland to Montana
Search Deals
8/9
  • 8/9
  • 1 total stop
  • 14h 34m total
  • Ireland to Montana
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£213 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (£69 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to Montana 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, Cheapflights users made 858,174 searches. Data last updated 29 April 2026.
Use the filters below to find and compare flights from Ireland to Montana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Fri 12/6

11:30-10:26

1 stop29h 56m

Bozeman Gallatin Field

Fri 19/6

12:42-08:20

1 stop12h 38m

£744

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Wed 10/6

05:55-14:48

2 stops15h 53m

Bozeman Gallatin Field

Wed 17/6

15:53-07:55

1 stop33h 02m

£840

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Sat 13/6

09:15-22:48

2 stops20h 33m

Bozeman Gallatin Field

Sat 20/6

11:27-10:00

2 stops15h 33m

£842
Fastest return journey

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Wed 10/6

09:30-20:43

2 stops18h 13m

Bozeman Gallatin Field

Wed 17/6

06:45-06:30

2 stops16h 45m

£877

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Fri 12/6

09:20-22:38

2 stops20h 18m

Bozeman Gallatin Field

Fri 19/6

16:20-07:20

2 stops32h 00m

£931

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Sat 13/6

10:15-11:18

3 stops32h 03m

Bozeman Gallatin Field

Sat 20/6

06:00-18:20

3 stops29h 20m

£1,454

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Wed 10/6

19:05-23:58

3 stops35h 53m

Bozeman Gallatin Field

Wed 17/6

06:00-11:50

3 stops22h 50m

£1,576

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Fri 12/6

19:05-22:08

3 stops34h 03m

Bozeman Gallatin Field

Fri 19/6

08:25-18:20

2 stops26h 55m

£1,668
Cheapest one-way
Fastest single journey

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Tue 8/9

15:25-22:59

1 stop14h 34m

£627

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Mon 7/9

09:50-15:22

3 stops36h 32m

£1,079

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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.
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

What is the cheapest month to book a flight from Ireland to Montana?

Currently, September is the cheapest month in which you can book a flight from Ireland to Montana (average of £632). Flying from Ireland to Montana in June is currently the most expensive (average of £884). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ireland to Montana?

    Departing from Ireland to Montana will take you 15h 53m. Ireland and Montana are separated by a distance of 4285 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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.

  • What is the cheapest month to book a flight from Ireland to Montana?

    Currently, September is the cheapest month in which you can book a flight from Ireland to Montana (average of £632). Flying from Ireland to Montana in June is currently the most expensive (average of £884). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ireland to Montana

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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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