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Ireland

$348+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DUB
Jul 29 — Aug 51
Wed 7/29
Wed 8/5
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 29, 2026.

This United Airlines deal was found by Cheapflights users on 6/28. 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 11/86:15 am
FCA
-
DUB
2 stops21h 05m
United Airlines
Thu 11/129:00 am
DUB
-
FCA
2 stops43h 42m
United Airlines
Deal found 6/28$722
This Air Canada deal was found by Cheapflights users on 6/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:00 am
BIL
-
DUB
2 stops19h 10m
Air Canada
Fri 11/139:00 am
DUB
-
BIL
2 stops43h 04m
Air Canada
Deal found 6/28$725
This KLM deal was found by Cheapflights users on 6/27. 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 10/282:07 pm
BZN
-
DUB
1 stop11h 48m
KLM
Wed 11/45:45 am
DUB
-
BZN
2 stops25h 13m
KLM
Deal found 6/27$741
This Air France deal was found by Cheapflights users on 6/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:05 pm
BZN
-
DUB
2 stops19h 25m
Multiple Airlines
Wed 11/45:45 am
DUB
-
BZN
2 stops25h 13m
Multiple Airlines
Deal found 6/27$745
This United Airlines deal was found by Cheapflights users on 6/24. 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 12/67:00 am
HLN
-
DUB
2 stops20h 20m
United Airlines
Wed 12/910:40 am
DUB
-
HLN
2 stops17h 19m
United Airlines
Deal found 6/24$749
This United Airlines deal was found by Cheapflights users on 6/24. 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 11/115:00 am
BIL
-
DUB
2 stops19h 30m
United Airlines
Fri 11/1310:40 am
DUB
-
BIL
2 stops17h 24m
United Airlines
Deal found 6/24$749
This United Airlines deal was found by Cheapflights users on 6/24. 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 10/1212:21 pm
MSO
-
DUB
1 stop14h 24m
United Airlines
Tue 10/209:50 am
DUB
-
MSO
2 stops42h 42m
United Airlines
Deal found 6/24$753
This Ticket deal was found by Cheapflights users on 6/24. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:00 am
BIL
-
DUB
2 stops42h 15m
Air Canada
Wed 8/199:20 am
DUB
-
BIL
2 stops42h 40m
Air Canada
Deal found 6/24$753
This United Airlines deal was found by Cheapflights users on 6/26. 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 11/412:30 pm
BZN
-
DUB
2 stops14h 50m
United Airlines
Sat 11/219:00 am
DUB
-
BZN
2 stops33h 33m
United Airlines
Deal found 6/26$768
This KLM deal was found by Cheapflights users on 6/24. 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.
Mon 10/128:00 am
MSO
-
DUB
1 stop16h 55m
KLM
Tue 10/2010:00 am
DUB
-
MSO
1 stop17h 12m
KLM
Deal found 6/24$780
This United Airlines deal was found by Cheapflights users on 6/24. 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 8/266:15 am
HLN
-
DUB
2 stops18h 30m
United Airlines
Tue 9/19:50 am
DUB
-
HLN
2 stops42h 40m
United Airlines
Deal found 6/24$781
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 10/291:52 pm
BZN
-
DUB
2 stops18h 58m
American Airlines
Tue 11/31:00 pm
DUB
-
BZN
1 stop31h 01m
American Airlines
Deal found 6/27$790

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 29, 2026.

Most accurate provider

BusinessClass
3 stars

Most trusted provider

BusinessClass
3 stars

Round-trip from

$722
(United Airlines)

One-way from

$348
(Delta)

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. 28% potential increase in price ($330 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($58 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 29, 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

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Sun 11/8

6:15 am-10:20 am

2 stops21h 05m

Dublin

Thu 11/12

9:00 am-9:42 pm

2 stops43h 42m

$722

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Wed 10/28

2:07 pm-7:55 am

1 stop11h 48m

Dublin

Wed 11/4

5:45 am-11:58 pm

2 stops25h 13m

$741

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sun 12/6

7:00 am-10:20 am

2 stops20h 20m

Dublin

Wed 12/9

10:40 am-8:59 pm

2 stops17h 19m

$749

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Wed 11/11

5:00 am-7:30 am

2 stops19h 30m

Dublin

Fri 11/13

10:40 am-9:04 pm

2 stops17h 24m

$749

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Mon 10/12

12:21 pm-9:45 am

1 stop14h 24m

Dublin

Tue 10/20

9:50 am-9:32 pm

2 stops42h 42m

$753

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Mon 10/12

8:00 am-7:55 am

1 stop16h 55m

Dublin

Tue 10/20

10:00 am-8:12 pm

1 stop17h 12m

$780

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

6:15 am-7:45 am

2 stops18h 30m

Dublin

Tue 9/1

9:50 am-9:30 pm

2 stops42h 40m

$781

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Fri 8/7

5:26 pm-8:15 am

2 stops55h 49m

Dublin

Fri 8/21

9:20 am-9:19 pm

2 stops42h 59m

$796

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Fri 8/7

5:26 pm-8:15 am

2 stops55h 49m

Dublin

Thu 8/20

9:20 am-6:42 pm

2 stops40h 22m

$796

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Fri 12/4

10:00 am-10:20 am

2 stops17h 20m

Dublin

Tue 12/8

9:30 am-10:27 pm

2 stops19h 57m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 41 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?

    United Airlines, Air Canada, and KLM can get you from Montana to Ireland in just under 11h 48m. Your travel time can differ by up to 9h 17m. There are 4285 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$430Average$723FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$478Average$769FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$600Average$918FlexibilityNo cancel feeOn-time71%

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