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Cheap flights from Ireland to Montana from £337

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BZN
15 May — 22 May1
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 15 April 2026.

Fri 20/1109:00
DUB
-
BZN
2 stops35h 28m
United Airlines
Tue 24/1110:41
BZN
-
DUB
2 stops14h 29m
United Airlines
Deal found 13/4£793
Wed 29/408:50
DUB
-
BZN
2 stops19h 42m
Lufthansa
Fri 29/114:37
BZN
-
DUB
2 stops18h 48m
Lufthansa
Deal found 15/4£802
Wed 29/405:55
DUB
-
BZN
2 stops21h 16m
Delta
Fri 29/106:00
BZN
-
DUB
1 stop18h 55m
Delta
Deal found 15/4£818
Tue 28/411:10
DUB
-
BZN
2 stops16h 01m
KLM
Fri 29/113:05
BZN
-
DUB
2 stops16h 35m
KLM
Deal found 15/4£821
Fri 1/509:50
DUB
-
BZN
2 stops31h 11m
United Airlines
Fri 29/107:00
BZN
-
DUB
2 stops18h 10m
United Airlines
Deal found 15/4£824
Mon 27/408:50
DUB
-
BZN
2 stops19h 42m
United Airlines
Fri 29/107:00
BZN
-
DUB
2 stops18h 10m
United Airlines
Deal found 15/4£826
Thu 23/408:55
DUB
-
BZN
2 stops20h 45m
Delta
Mon 27/411:59
BZN
-
DUB
2 stops23h 26m
Delta
Deal found 14/4£832
Mon 20/405:55
DUB
-
BZN
2 stops18h 59m
KLM
Sun 26/414:53
BZN
-
DUB
1 stop34h 52m
KLM
Deal found 13/4£835
Wed 27/508:55
DUB
-
BZN
2 stops21h 26m
Delta
Wed 3/605:35
BZN
-
DUB
2 stops21h 25m
Delta
Deal found 12/4£836
Tue 1/905:55
DUB
-
BZN
2 stops23h 29m
Delta
Tue 15/905:45
BZN
-
DUB
2 stops26h 40m
Delta
Deal found 15/4£838

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 15 April 2026.

Round-trip from

£836

Popular in

July

Cheapest in

February

Average price

£713
Delta
  • Delta
  • 27/5-3/6
  • 4 total stops
  • 42h 51m total
  • Ireland to Montana
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£211 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% 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 15 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

Tue 28/4

09:50-11:31

2 stops32h 41m

Bozeman Gallatin Field

Fri 29/1

12:30-08:10

1 stop12h 40m

£824

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Wed 29/4

11:35-11:26

1 stop30h 51m

Bozeman Gallatin Field

Fri 29/1

12:30-08:10

1 stop12h 40m

£826
Fastest return journey

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Sat 2/5

09:30-21:37

2 stops19h 07m

Bozeman Gallatin Field

Fri 29/1

12:30-08:10

1 stop12h 40m

£826

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Sun 26/4

08:50-21:32

2 stops19h 42m

Bozeman Gallatin Field

Fri 29/1

10:41-08:10

2 stops14h 29m

£826

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Wed 27/5

08:55-23:21

2 stops21h 26m

Bozeman Gallatin Field

Wed 3/6

05:35-10:00

2 stops21h 25m

£836

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Thu 30/4

08:50-22:39

3 stops20h 49m

Bozeman Gallatin Field

Mon 4/5

08:30-07:30

2 stops16h 00m

£842

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Sun 17/5

05:55-17:55

2 stops19h 00m

Bozeman Gallatin Field

Sun 31/5

16:02-16:40

2 stops17h 38m

£931

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Thu 30/4

19:05-00:09

3 stops36h 04m

Bozeman Gallatin Field

Mon 4/5

05:59-11:50

3 stops22h 51m

£1,263

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Tue 23/6

09:50-15:27

2 stops36h 37m

Bozeman Gallatin Field

Wed 24/6

17:33-08:15

2 stops31h 42m

£1,408

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Wed 27/5

19:05-23:44

3 stops35h 39m

Bozeman Gallatin Field

Wed 3/6

13:00-18:20

3 stops22h 20m

£1,667

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 16 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 £633). Flying from Ireland to Montana in July is currently the most expensive (average of £1,879). 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.

Reviews of airlines servicing Montana

Get insights into the airlines that provide service to Montana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montana. Reviews last updated 15 April 2026.
Read through reviews of airlines operating flights from Ireland to Montana, such as KLM and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,499 reviews
Check prices

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,499 reviews
KLM
7.8
Good
1,499 reviews
Check prices

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,592 reviews
KLM
7.8
Good
1,499 reviews
Check prices

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 21h 16m. 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 £633). Flying from Ireland to Montana in July is currently the most expensive (average of £1,879). 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

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

Top 2 airlines flying from Ireland to Montana

Discover the top 2 airlines that operate flights from Ireland to Montana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 April 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£629Average£683FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£645Average£741FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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