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Ireland

$362+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DUB
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
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 February 12, 2026.

This United Airlines deal was found by Cheapflights users on 2/10. 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 2/2510:00 am
BTM
-
DUB
2 stops17h 20m
United Airlines
Sun 3/19:00 am
DUB
-
BTM
2 stops44h 26m
United Airlines
Deal found 2/10$458
This United Airlines deal was found by Cheapflights users on 2/10. 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 2/2611:45 am
BZN
-
DUB
1 stop12h 45m
United Airlines
Sun 3/88:00 am
DUB
-
BZN
2 stops43h 22m
United Airlines
Deal found 2/10$458
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/46:15 am
HLN
-
DUB
2 stops18h 55m
United Airlines
Sun 3/88:00 am
DUB
-
HLN
2 stops35h 38m
United Airlines
Deal found 2/8$462
This United Airlines deal was found by Cheapflights users on 2/8. 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 2/256:15 am
MSO
-
DUB
3 stops20h 40m
United Airlines
Sun 3/19:00 am
DUB
-
MSO
2 stops43h 57m
United Airlines
Deal found 2/8$462
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/318:10 am
BZN
-
DUB
1 stop18h 35m
United Airlines
Fri 5/19:50 am
DUB
-
BZN
2 stops42h 47m
United Airlines
Deal found 2/11$464
This United Airlines deal was found by Cheapflights users on 2/11. 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 4/286:15 am
MSO
-
DUB
2 stops21h 25m
United Airlines
Tue 5/129:50 am
DUB
-
MSO
2 stops42h 40m
United Airlines
Deal found 2/11$469
This United Airlines deal was found by Cheapflights users on 2/11. 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 2/242:35 pm
BIL
-
DUB
2 stops36h 45m
United Airlines
Mon 3/98:00 am
DUB
-
BIL
2 stops55h 53m
United Airlines
Deal found 2/11$473
This United Airlines deal was found by Cheapflights users on 2/10. 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 5/46:30 am
BZN
-
DUB
2 stops41h 50m
United Airlines
Tue 5/129:50 am
DUB
-
BZN
2 stops55h 11m
United Airlines
Deal found 2/10$474
This United Airlines deal was found by Cheapflights users on 2/10. 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 2/1912:48 pm
BZN
-
DUB
2 stops14h 32m
United Airlines
Thu 3/510:40 am
DUB
-
BZN
1 stop18h 32m
United Airlines
Deal found 2/10$479
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Sat 2/281:36 pm
BZN
-
DUB
2 stops16h 09m
American Airlines
Mon 3/911:30 am
DUB
-
BZN
2 stops16h 08m
American Airlines
Deal found 2/11$480
This American Airlines deal was found by Cheapflights users on 2/9. 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 2/271:48 pm
BIL
-
DUB
2 stops17h 32m
American Airlines
Tue 3/311:30 am
DUB
-
BIL
2 stops17h 42m
American Airlines
Deal found 2/9$480
This United Airlines deal was found by Cheapflights users on 2/10. 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 2/278:11 am
BZN
-
DUB
1 stop16h 59m
United Airlines
Mon 3/98:00 am
DUB
-
BZN
2 stops20h 12m
United Airlines
Deal found 2/10$481

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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$458
(United Airlines)

One-way from

$362
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$494
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. 23% potential increase in price ($238 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 12, 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

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Wed 2/25

10:00 am-10:20 am

2 stops17h 20m

Dublin

Sun 3/1

9:00 am-10:26 pm

2 stops44h 26m

$458

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Thu 2/26

12:48 pm-8:10 am

1 stop12h 22m

Dublin

Sun 3/8

8:00 am-10:40 am

2 stops33h 40m

$458

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 3/4

6:15 am-8:10 am

2 stops18h 55m

Dublin

Sun 3/8

8:00 am-12:38 pm

2 stops35h 38m

$462

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 2/25

6:15 am-8:10 am

2 stops18h 55m

Dublin

Sun 3/1

9:00 am-9:57 pm

2 stops43h 57m

$462

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Tue 3/31

8:10 am-9:45 am

1 stop18h 35m

Dublin

Fri 5/1

9:50 am-9:37 pm

2 stops42h 47m

$464

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Tue 2/24

2:35 pm-10:20 am

2 stops36h 45m

Dublin

Mon 3/9

8:00 am-9:53 am

2 stops55h 53m

$473

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Fri 2/27

6:20 am-9:55 am

2 stops20h 35m

Dublin

Tue 3/3

10:40 am-6:59 pm

1 stop15h 19m

$489

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Fri 2/27

7:00 am-7:30 am

2 stops17h 30m

Dublin

Tue 3/3

10:40 am-9:50 am

2 stops30h 10m

$489

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Sun 4/26

5:20 am-7:55 am

2 stops19h 35m

Dublin

Mon 5/11

8:55 am-2:40 pm

2 stops36h 45m

$493

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Mon 4/27

5:20 am-7:55 am

2 stops19h 35m

Dublin

Tue 5/12

5:55 am-2:40 pm

2 stops15h 45m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 45 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 British Airways can get you from Montana to Ireland in just under 17h 20m. Your travel time can differ by up to 20h 08m. There are 4317 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$385Average$733FlexibilityNo cancel feeOn-time69%
DeltaCheapest$456Average$811FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$1,010FlexibilityNo cancel feeOn-time71%

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