Find flights
When to book
Airlines
FAQs

Cheap flights from Ireland to Montana from £649

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BZN
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Ireland to Montana

Keep the following information in mind while searching for Ireland to Montana flight deals. Data was last updated 18 September 2025.

Round-trip from

£649

Popular in

June

Cheapest in

March

Average price

£672
Delta
  • Delta
  • 31/10-7/11
  • 4 total stops
  • 50h 17m total
  • Ireland to Montana
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£65 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Ireland to Montana

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 18 September 2025.

Fri 31/1005:55DUB - BZN
2 stops23h 42mDelta
Fri 7/1106:10BZN - DUB
2 stops26h 35mDelta
Deal found 16/9£649
Thu 2/1008:55DUB - BZN
2 stops20h 28mDelta
Mon 6/1011:40BZN - DUB
2 stops20h 20mDelta
Deal found 16/9£653
Thu 2/1005:55DUB - BZN
2 stops17h 50mMultiple Airlines
Mon 6/1006:10BZN - DUB
1 stop18h 45mMultiple Airlines
Deal found 16/9£655
Thu 6/1105:55DUB - BZN
2 stops23h 19mDelta
Tue 11/1105:45BZN - DUB
2 stops19h 00mDelta
Deal found 17/9£656
Tue 14/1008:55DUB - BZN
2 stops20h 19mDelta
Tue 21/1011:40BZN - DUB
2 stops20h 20mDelta
Deal found 16/9£656
Thu 2/1012:00DUB - BZN
1 stop18h 56mKLM
Mon 6/1014:01BZN - DUB
1 stop10h 54mKLM
Deal found 16/9£724

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 18 September 2025.
Use the filters below to find and compare flights from Ireland to Montana that are best for you.

Fly from

Ireland

Fly to

Montana

Route

Depart

Return

Price

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Fri 31/10

05:55-23:37

2 stops23h 42m

Bozeman Gallatin Field

Fri 7/11

06:10-15:45

2 stops26h 35m

£649

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Sat 24/1

05:55-22:19

2 stops23h 24m

Bozeman Gallatin Field

Sun 8/2

12:50-12:40

2 stops16h 50m

£653

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Thu 2/10

08:55-22:23

2 stops20h 28m

Bozeman Gallatin Field

Mon 6/10

11:40-15:00

2 stops20h 20m

£653

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Thu 2/10

05:55-16:45

2 stops17h 50m

Bozeman Gallatin Field

Mon 6/10

06:10-07:55

1 stop18h 45m

£655

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Thu 6/11

05:55-22:14

2 stops23h 19m

Bozeman Gallatin Field

Tue 11/11

14:30-07:45

1 stop34h 15m

£656

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Thu 6/11

05:55-22:14

2 stops23h 19m

Bozeman Gallatin Field

Tue 11/11

05:45-07:45

2 stops19h 00m

£656

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Tue 14/10

08:55-22:14

2 stops20h 19m

Bozeman Gallatin Field

Tue 21/10

11:40-15:00

2 stops20h 20m

£656

DublinBozeman

DUB - BZN

DUBBZN

Dublin

Sat 24/1

09:00-13:20

2 stops35h 20m

Bozeman Gallatin Field

Sun 8/2

10:50-08:10

2 stops14h 20m

£692

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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, March is the cheapest month in which you can book a flight from Ireland to Montana (average of £808). Flying from Ireland to Montana in July is currently the most expensive (average of £1,298). 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 18 September 2025.
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
1,386 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
United Airlines
7.4
Good
8,926 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 23h 24m. 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, March is the cheapest month in which you can book a flight from Ireland to Montana (average of £808). Flying from Ireland to Montana in July is currently the most expensive (average of £1,298). 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.

Alternative routes for Ireland to Montana

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Gatwick to John F Kennedy Intl flights
Gatwick to LaGuardia flights
London City to Newark flights
Stansted to John F Kennedy Intl flights
Heathrow to Orlando flights
Luton to John F Kennedy Intl flights
Heathrow to Miami flights
Stansted to Newark flights
Heathrow to Los Angeles flights
Manchester to John F Kennedy Intl flights
Luton to Newark flights
London City to LaGuardia flights
Heathrow to Boston flights
Heathrow to San Francisco flights
Heathrow to Dallas/Fort Worth flights
Heathrow to O'Hare Intl flights
Gatwick to Orlando flights
Heathrow to Las Vegas flights
Heathrow to Dulles Intl flights
Manchester to Orlando flights
Heathrow to Tampa flights
London City to Orlando flights
Manchester to Newark flights
London City to Miami flights
Heathrow to Baltimore flights
Gatwick to Miami flights
Heathrow to Hobby flights
Heathrow to Atlanta flights
Manchester to LaGuardia flights
Heathrow to Seattle flights
Edinburgh to Newark flights
Gatwick to Boston flights
London City to Boston flights
London City to Los Angeles flights
Heathrow to George Bush Intcntl flights
Gatwick to Las Vegas flights
Gatwick to San Francisco flights
Stansted to Miami flights
Gatwick to Los Angeles flights
Gatwick to O'Hare Intl flights
Heathrow to Sky Harbor Intl flights
Heathrow to Austin flights
Heathrow to Midway flights
London City to O'Hare Intl flights
Heathrow to Philadelphia flights

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 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£578Average£719FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£625Average£732FlexibilityNo cancel feeOn-time75%
Search KLM 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.