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$365+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DUB
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
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 November 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$460
(United Airlines)

One-way from

$365
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$948
Provider with most accurate pricing for Bozeman Gallatin Field-Dublin flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Dublin flights.
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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. 15% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 17, 2025.

This Delta deal was found by Cheapflights users on 11/17. 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 12/46:00 amBZN - DUB
1 stop18h 45mDelta
Sat 12/139:45 amDUB - BZN
1 stop20h 52mDelta
Deal found 11/17$483
This United Airlines deal was found by Cheapflights users on 11/15. 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.
Fri 12/510:00 amBTM - DUB
2 stops16h 55mUnited Airlines
Tue 12/910:40 amDUB - BTM
2 stops18h 49mUnited Airlines
Deal found 11/15$488
This Delta deal was found by Cheapflights users on 11/15. 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.
Wed 12/33:00 pmBZN - ORK
2 stops60h 45mDelta
Sun 12/75:15 pmORK - BZN
2 stops37h 22mDelta
Deal found 11/15$495
This KLM deal was found by Cheapflights users on 11/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:25 amBZN - ORK
2 stops44h 20mKLM
Sun 12/711:15 amORK - BZN
2 stops37h 38mKLM
Deal found 11/16$548
This American Airlines deal was found by Cheapflights users on 11/16. 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.
Fri 12/51:46 pmBZN - SNN
2 stops18h 59mAmerican Airlines
Tue 12/97:50 amSNN - BZN
2 stops36h 04mAmerican Airlines
Deal found 11/16$691
This Delta deal was found by Cheapflights users on 11/16. 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.
Wed 12/315:20 amBZN - DUB
2 stops19h 25mDelta
Wed 1/710:45 amDUB - BZN
2 stops31h 15mDelta
Deal found 11/16$693
This United Airlines deal was found by Cheapflights users on 11/16. 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 12/317:15 amBZN - DUB
1 stop17h 55mUnited Airlines
Wed 1/79:00 amDUB - BZN
2 stops33h 44mUnited Airlines
Deal found 11/16$708
This Delta deal was found by Cheapflights users on 11/15. 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.
Mon 12/2212:36 pmBZN - DUB
1 stop12h 09mDelta
Wed 12/315:55 amDUB - BZN
2 stops24h 51mDelta
Deal found 11/15$978
This American Airlines deal was found by Cheapflights users on 11/16. 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.
Wed 12/311:34 pmBZN - DUB
1 stop12h 26mAmerican Airlines
Wed 1/71:00 pmDUB - BZN
1 stop31h 19mAmerican Airlines
Deal found 11/16$1,063
This Ovago deal was found by Cheapflights users on 11/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:15 amBZN - DUB
1 stop17h 55mLufthansa
Wed 12/3110:40 amDUB - BZN
1 stop18h 49mLufthansa
Deal found 11/15$1,069
This United Airlines deal was found by Cheapflights users on 11/15. 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 12/224:25 pmBZN - DUB
2 stops34h 55mUnited Airlines
Wed 12/3112:05 pmDUB - BZN
2 stops28h 40mUnited Airlines
Deal found 11/15$1,097
This Ovago deal was found by Cheapflights users on 11/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/152:40 pmBIL - DUB
2 stops19h 30mLufthansa
Tue 12/3010:40 amDUB - BIL
2 stops17h 44mLufthansa
Deal found 11/17$1,128

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 November 17, 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

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Sun 2/8

4:13 pm-8:10 am

2 stops32h 57m

Dublin

Sat 2/21

9:00 am-9:21 pm

2 stops43h 21m

$460

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Thu 12/4

6:00 am-7:45 am

1 stop18h 45m

Dublin

Sat 12/13

9:45 am-11:37 pm

1 stop20h 52m

$483

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Mon 3/2

4:29 pm-8:10 am

2 stops32h 41m

Dublin

Mon 3/9

8:00 am-3:28 pm

2 stops37h 28m

$485

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Thu 1/15

5:15 am-7:50 am

2 stops43h 35m

Dublin

Mon 1/19

8:50 am-10:33 pm

2 stops44h 43m

$485

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Fri 12/5

10:00 am-9:55 am

2 stops16h 55m

Dublin

Tue 12/9

10:40 am-10:29 pm

2 stops18h 49m

$488

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Thu 12/4

12:50 pm-8:10 am

1 stop12h 20m

Dublin

Sat 12/13

10:40 am-9:39 pm

2 stops17h 59m

$488

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Fri 1/23

6:00 am-8:10 am

2 stops19h 10m

Dublin

Tue 1/27

10:40 am-9:59 pm

2 stops18h 19m

$488

BozemanCork

BZN - ORK

BZNORK

Bozeman Gallatin Field

Wed 12/3

3:00 pm-10:45 am

2 stops60h 45m

Cork

Sun 12/7

5:15 pm-11:37 pm

2 stops37h 22m

$495

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 3/4

6:15 am-9:55 am

2 stops20h 40m

Dublin

Sun 3/8

12:05 pm-1:33 pm

2 stops31h 28m

$513

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 3/4

5:05 am-4:20 pm

2 stops28h 15m

Dublin

Sun 3/8

9:45 am-8:17 pm

1 stop16h 32m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 35 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, October is the cheapest month in which you can book a flight from Montana to Ireland (average of $385). Flying from Montana to Ireland in June is currently the most expensive (average of $881). 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, Delta, and KLM can get you from Montana to Ireland in just under 18h 45m. Your travel time can differ by up to 25h 35m. There are 4285 mi between Montana and Ireland. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Montana to Ireland one-way?

    $391 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Air France and United Airlines, with prices starting from $415 and $418, respectively.

  • 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, October is the cheapest month in which you can book a flight from Montana to Ireland (average of $385). Flying from Montana to Ireland in June is currently the most expensive (average of $881). 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

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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 November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$385Average$756FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$489Average$1,089FlexibilityNo cancel feeOn-time71%
DeltaCheapest$551Average$800FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$570Average$856FlexibilityNo cancel feeOn-time75%

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