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Ireland

$235+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DUB
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
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 January 7, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$453
(Expedia)

One-way from

$235
(American Airlines)

Popular in

February

Cheapest in

November

Average price

$637
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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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 7, 2026.

This American Airlines deal was found by Cheapflights users on 1/7. 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 9/11:33 pmBZN - SNN
2 stops19h 37mAmerican Airlines
Thu 9/109:15 pmSNN - BZN
2 stops28h 25mAmerican Airlines
Deal found 1/7$436
This Expedia deal was found by Cheapflights users on 1/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/42:35 pmBIL - DUB
2 stops33h 35mAir Canada
Wed 3/118:00 amDUB - BIL
2 stops35h 23mAir Canada
Deal found 1/6$453
This United Airlines deal was found by Cheapflights users on 1/6. 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 2/2511:45 amBZN - DUB
1 stop12h 45mUnited Airlines
Mon 3/98:00 amDUB - BZN
2 stops44h 11mUnited Airlines
Deal found 1/6$458
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Sat 2/216:15 amHLN - DUB
2 stops21h 05mUnited Airlines
Sat 2/289:00 amDUB - HLN
2 stops43h 16mUnited Airlines
Deal found 1/7$462
This United Airlines deal was found by Cheapflights users on 1/6. 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 3/26:20 amBZN - DUB
2 stops20h 35mUnited Airlines
Mon 3/98:00 amDUB - BZN
2 stops44h 11mUnited Airlines
Deal found 1/6$462
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Sat 2/216:15 amMSO - DUB
3 stops21h 05mUnited Airlines
Sat 2/289:00 amDUB - MSO
2 stops43h 57mUnited Airlines
Deal found 1/7$462
This United Airlines deal was found by Cheapflights users on 1/6. 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 3/47:00 amBIL - DUB
2 stops17h 30mUnited Airlines
Wed 3/118:00 amDUB - BIL
2 stops35h 23mUnited Airlines
Deal found 1/6$462
This United Airlines deal was found by Cheapflights users on 1/5. 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 3/296:34 amBZN - DUB
2 stops42h 41mUnited Airlines
Wed 4/159:50 amDUB - BZN
2 stops34h 44mUnited Airlines
Deal found 1/5$470
This United Airlines deal was found by Cheapflights users on 1/5. 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 1/142:42 pmFCA - DUB
2 stops34h 28mUnited Airlines
Sun 1/189:00 amDUB - FCA
2 stops43h 59mUnited Airlines
Deal found 1/5$473
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Thu 2/1912:33 pmFCA - DUB
1 stop12h 37mUnited Airlines
Wed 3/410:40 amDUB - FCA
2 stops32h 13mUnited Airlines
Deal found 1/6$475
This KLM deal was found by Cheapflights users on 1/7. 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.
Sat 2/217:30 amMSO - DUB
1 stop17h 15mKLM
Sat 2/285:15 pmDUB - MSO
2 stops33h 46mKLM
Deal found 1/7$483
This United Airlines deal was found by Cheapflights users on 1/6. 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 2/2012:48 pmBZN - DUB
2 stops14h 32mUnited Airlines
Fri 2/2710:40 amDUB - BZN
1 stop15h 08mUnited Airlines
Deal found 1/6$485

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 January 7, 2026.
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

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sat 2/21

6:15 am-10:20 am

2 stops21h 05m

Dublin

Sat 2/28

9:00 am-9:16 pm

2 stops43h 16m

$462

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Mon 3/2

6:20 am-10:20 am

2 stops21h 00m

Dublin

Mon 3/9

8:00 am-9:22 pm

2 stops43h 22m

$462

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Wed 2/25

6:20 am-7:30 am

2 stops18h 10m

Dublin

Mon 3/9

8:00 am-3:28 pm

2 stops37h 28m

$462

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Sat 2/21

6:15 am-10:20 am

3 stops21h 05m

Dublin

Sat 2/28

9:00 am-9:57 pm

2 stops43h 57m

$462

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Wed 3/4

7:00 am-7:30 am

2 stops17h 30m

Dublin

Wed 3/11

8:00 am-1:23 pm

2 stops35h 23m

$462

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Thu 2/19

12:33 pm-8:10 am

1 stop12h 37m

Dublin

Wed 3/4

10:40 am-11:53 am

2 stops32h 13m

$475

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Sat 2/21

7:30 am-7:45 am

1 stop17h 15m

Dublin

Sat 2/28

5:15 pm-8:01 pm

2 stops33h 46m

$483

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Mon 3/2

2:39 pm-7:45 am

1 stop34h 06m

Dublin

Mon 3/9

5:55 am-8:14 pm

2 stops20h 19m

$488

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Wed 3/4

5:10 am-3:45 pm

2 stops27h 35m

Dublin

Wed 3/11

9:45 am-8:20 pm

1 stop16h 35m

$489

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Wed 3/4

6:20 am-9:20 am

2 stops20h 00m

Dublin

Wed 3/11

9:45 am-8:20 pm

1 stop16h 35m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 47 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, KLM, and Delta can get you from Montana to Ireland in just under 17h 15m. Your travel time can differ by up to 10h 20m. There are 4315 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, 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

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 3 airlines flying from Montana to Ireland

Discover the top 3 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 January 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$385Average$782FlexibilityNo cancel feeOn-time69%
DeltaCheapest$456Average$829FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$1,107FlexibilityNo cancel feeOn-time71%

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