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Ireland

$368+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DUB
Jul 2 — Jul 91
Thu 7/2
Thu 7/9
1 adult, Economy
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Cheap 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 June 2, 2026.

This Delta deal was found by Cheapflights users on 5/31. 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.
Sun 11/85:45 am
BZN
-
ORK
2 stops26h 15m
Delta
Wed 12/25:15 pm
ORK
-
BZN
2 stops36h 06m
Delta
Deal found 5/31$749
This Delta deal was found by Cheapflights users on 5/31. 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 11/43:15 pm
BZN
-
ORK
2 stops25h 10m
Delta
Wed 12/25:15 pm
ORK
-
BZN
2 stops37h 43m
Delta
Deal found 5/31$753
This Delta deal was found by Cheapflights users on 5/31. 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.
Sat 11/77:00 pm
BZN
-
ORK
2 stops37h 00m
Delta
Wed 12/25:15 pm
ORK
-
BZN
2 stops31h 40m
Delta
Deal found 5/31$755
This United Airlines deal was found by Cheapflights users on 5/29. 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 9/134:23 pm
BZN
-
DUB
2 stops32h 07m
United Airlines
Sat 9/199:20 am
DUB
-
BZN
2 stops33h 50m
United Airlines
Deal found 5/29$772
This United Airlines deal was found by Cheapflights users on 5/30. 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 9/16:15 am
MSO
-
DUB
2 stops18h 15m
United Airlines
Mon 9/79:50 am
DUB
-
MSO
2 stops42h 41m
United Airlines
Deal found 5/30$772
This United Airlines deal was found by Cheapflights users on 5/29. 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 11/17:00 am
HLN
-
DUB
2 stops17h 30m
United Airlines
Sat 11/149:00 am
DUB
-
HLN
2 stops42h 59m
United Airlines
Deal found 5/29$773
This United Airlines deal was found by Cheapflights users on 5/31. 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 10/306:31 am
FCA
-
DUB
2 stops21h 24m
United Airlines
Fri 11/69:00 am
DUB
-
FCA
2 stops43h 30m
United Airlines
Deal found 5/31$773
This United Airlines deal was found by Cheapflights users on 5/30. 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 9/64:17 pm
FCA
-
DUB
2 stops32h 13m
United Airlines
Thu 9/249:50 am
DUB
-
FCA
2 stops32h 47m
United Airlines
Deal found 5/30$774
This United Airlines deal was found by Cheapflights users on 6/1. 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 9/26:30 am
BZN
-
DUB
2 stops18h 45m
United Airlines
Sat 9/129:20 am
DUB
-
BZN
2 stops37h 10m
United Airlines
Deal found 6/1$776
This United Airlines deal was found by Cheapflights users on 6/1. 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 9/26:15 am
MSO
-
DUB
2 stops19h 00m
United Airlines
Sat 9/129:20 am
DUB
-
MSO
2 stops43h 11m
United Airlines
Deal found 6/1$776
This United Airlines deal was found by Cheapflights users on 6/1. 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 9/106:20 am
FCA
-
DUB
2 stops18h 10m
United Airlines
Thu 9/179:50 am
DUB
-
FCA
2 stops32h 39m
United Airlines
Deal found 6/1$777
This Delta deal was found by Cheapflights users on 5/29. 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 10/128:00 am
MSO
-
DUB
1 stop16h 55m
Delta
Tue 10/275:45 am
DUB
-
MSO
2 stops24h 46m
Delta
Deal found 5/29$789

Find flight deals from Montana to Ireland

Keep the following information in mind while searching for Montana to Ireland flight deals. Data was last updated June 2, 2026.

Most accurate provider

BusinessClass
3 stars

Most trusted provider

BusinessClass
3 stars

Round-trip from

$749
(Delta)

One-way from

$368
(United Airlines)

Popular in

July

Cheapest in

February

Average price

$1,155
Provider with most accurate pricing for Bozeman Gallatin Field-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Dublin flights.
Search Deals
From Montana to Ireland
Search Deals
One-way flight from Montana to Ireland
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($263 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 2, 2026.
Use the filters below to find and compare flights from Montana to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanCork

BZN - ORK

BZNORK

Bozeman Gallatin Field

Wed 11/4

3:15 pm-11:25 pm

2 stops25h 10m

Cork

Wed 12/2

5:15 pm-11:58 pm

2 stops37h 43m

$753

BozemanCork

BZN - ORK

BZNORK

Bozeman Gallatin Field

Sat 11/7

7:00 pm-3:00 pm

2 stops37h 00m

Cork

Fri 12/4

5:45 am-5:55 pm

2 stops19h 10m

$755

BozemanCork

BZN - ORK

BZNORK

Bozeman Gallatin Field

Sat 11/7

7:00 pm-3:00 pm

2 stops37h 00m

Cork

Wed 12/2

5:15 pm-5:55 pm

2 stops31h 40m

$755

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sun 11/1

7:00 am-7:30 am

2 stops17h 30m

Dublin

Sat 11/14

9:00 am-8:59 pm

2 stops42h 59m

$773

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Sun 9/13

4:23 pm-9:45 am

1 stop34h 22m

Dublin

Sat 9/19

9:20 am-9:19 pm

2 stops42h 59m

$773

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Fri 10/30

6:31 am-9:55 am

2 stops21h 24m

Dublin

Fri 11/6

9:00 am-9:30 pm

2 stops43h 30m

$773

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Thu 9/10

6:20 am-7:30 am

2 stops18h 10m

Dublin

Thu 9/17

9:50 am-11:29 am

2 stops32h 39m

$777

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Mon 11/2

1:29 pm-7:55 am

1 stop11h 26m

Dublin

Sat 11/14

5:45 am-5:45 pm

2 stops19h 00m

$792

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Mon 10/12

8:00 am-7:55 am

1 stop16h 55m

Dublin

Thu 10/22

5:55 am-5:27 pm

2 stops18h 32m

$793

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

6:15 am-7:45 am

2 stops18h 30m

Dublin

Tue 9/1

9:20 am-9:30 pm

2 stops19h 10m

$796

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 35 resultsSorted by cheapest first
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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, August is the cheapest month in which you can book a flight from Montana to Ireland (average of $299). Flying from Montana to Ireland in June is currently the most expensive (average of $880). 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?

    Delta, United Airlines, and KLM can get you from Montana to Ireland in just under 12h 26m. Your travel time can differ by up to 12h 44m. There are 4246 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, August is the cheapest month in which you can book a flight from Montana to Ireland (average of $299). Flying from Montana to Ireland in June is currently the most expensive (average of $880). 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 June 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$430Average$723FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$484Average$762FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$584Average$889FlexibilityNo cancel feeOn-time71%

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