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Ireland

$417+ Cheap flights from Montana to Ireland

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DUB
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Montana to Ireland

Keep the following information in mind while searching for Montana to Ireland flight deals. Data was last updated August 20, 2025.

Round-trip from

$504
(United Airlines)

One-way from

$417
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$800
From Montana to Ireland
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One-way flight from Montana to Ireland
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Highest demand for flights based on searches. 27% potential increase in price ($334 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Montana to Ireland

Cheapest flights from Montana to Ireland
Explore the most affordable flight options available from Montana to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:35 amBZN - DUB
2 stops18h 55mUnited Airlines
Fri 11/79:00 amDUB - BZN
2 stops37h 30mUnited Airlines
Deal found 8/19$509
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:10 amFCA - DUB
2 stops21h 10mUnited Airlines
Tue 11/189:30 amDUB - FCA
2 stops19h 14mUnited Airlines
Deal found 8/18$537
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:45 pmBZN - DUB
1 stop13h 25mUnited Airlines
Mon 11/39:00 amDUB - BZN
2 stops35h 35mUnited Airlines
Deal found 8/18$554
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:00 amBIL - DUB
2 stops18h 10mUnited Airlines
Sun 11/169:00 amDUB - BIL
2 stops43h 18mUnited Airlines
Deal found 8/19$559
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:10 amFCA - DUB
2 stops21h 10mUnited Airlines
Sun 11/169:00 amDUB - FCA
2 stops43h 44mUnited Airlines
Deal found 8/18$559
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2812:58 pmBZN - DUB
2 stops17h 12mAmerican Airlines
Fri 11/712:55 pmDUB - BZN
1 stop30h 46mAmerican Airlines
Deal found 8/19$586
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:31 pmMSO - DUB
1 stop14h 14mUnited Airlines
Fri 10/179:50 amDUB - MSO
2 stops34h 37mUnited Airlines
Deal found 8/19$613
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:41 pmFCA - DUB
2 stops15h 29mUnited Airlines
Tue 9/239:20 amDUB - FCA
2 stops33h 15mUnited Airlines
Deal found 8/20$620
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:30 pmMSO - DUB
1 stop14h 15mUnited Airlines
Wed 9/249:50 amDUB - MSO
2 stops31h 07mUnited Airlines
Deal found 8/18$630
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/81:45 pmBZN - DUB
1 stop14h 25mUnited Airlines
Wed 9/249:50 amDUB - BZN
2 stops31h 03mUnited Airlines
Deal found 8/18$630
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:45 pmBZN - DUB
1 stop11h 00mDelta
Sat 12/139:45 amDUB - BZN
1 stop21h 13mDelta
Deal found 8/20$632
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:00 amBIL - DUB
1 stop18h 10mAmerican Airlines
Sun 11/1612:55 pmDUB - BIL
1 stop15h 20mAmerican Airlines
Deal found 8/19$632

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Ireland 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 2,558,603 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Montana to Ireland that are best for you.

Fly from

Montana

Fly to

Ireland

Route

Depart

Return

Price

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Tue 10/28

6:35 am-8:10 am

2 stops19h 35m

Dublin

Fri 11/7

9:00 am-1:35 pm

2 stops35h 35m

$509

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Wed 11/12

6:10 am-10:20 am

2 stops21h 10m

Dublin

Tue 11/18

9:30 am-9:44 pm

2 stops19h 14m

$537

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Mon 10/27

12:45 pm-8:10 am

1 stop13h 25m

Dublin

Mon 11/3

9:00 am-1:35 pm

2 stops35h 35m

$554

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Sun 11/9

7:00 am-8:10 am

2 stops18h 10m

Dublin

Sun 11/16

9:00 am-9:18 pm

2 stops43h 18m

$559

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Wed 11/12

6:10 am-10:20 am

2 stops21h 10m

Dublin

Sun 11/16

9:00 am-9:44 pm

2 stops43h 44m

$559

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Tue 10/28

12:58 pm-12:10 pm

2 stops17h 12m

Dublin

Fri 11/7

12:55 pm-12:41 pm

1 stop30h 46m

$586

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Thu 1/15

7:00 am-8:10 am

2 stops18h 10m

Dublin

Mon 1/19

9:00 am-8:51 pm

2 stops42h 51m

$609

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 10/8

12:31 pm-9:45 am

1 stop14h 14m

Dublin

Fri 10/17

9:50 am-1:27 pm

2 stops34h 37m

$613

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Mon 9/8

12:41 pm-11:10 am

2 stops15h 29m

Dublin

Tue 9/23

9:20 am-11:35 am

2 stops33h 15m

$620

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Mon 9/8

12:30 pm-9:45 am

1 stop14h 15m

Dublin

Wed 9/24

9:50 am-9:57 am

2 stops31h 07m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 24 results
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Best time to book a flight from Montana to Ireland

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

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

Currently, November is the cheapest month in which you can book a flight from Montana to Ireland (average of $509). Flying from Montana to Ireland in June is currently the most expensive (average of $925). 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 Montana to Ireland. 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 Montana to Ireland?

    United Airlines, American Airlines, and British Airways can get you from Montana to Ireland in just under 18h 10m. Your travel time can differ by up to 1h 25m. There are 4200 mi between Montana and Ireland. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Montana to Ireland?

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

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

    Yes. Cheapflights offers flight deals from Montana to Ireland 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 Montana to Ireland?

    Currently, November is the cheapest month in which you can book a flight from Montana to Ireland (average of $509). Flying from Montana to Ireland in June is currently the most expensive (average of $925). 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 Montana to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Montana to Ireland

Discover the top 4 airlines that operate flights from Montana to Ireland. 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 2,558,603 searches. Data last updated August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$385Average$791FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$489Average$1,121FlexibilityNo cancel feeOn-time71%
DeltaCheapest$506Average$1,024FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$570Average$855FlexibilityNo cancel feeOn-time75%

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