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Ireland

$234+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DUB
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/21. 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 1/2212:05 pm
BZN
-
DUB
1 stop12h 25m
United Airlines
Wed 1/289:00 am
DUB
-
BZN
2 stops43h 33m
United Airlines
Deal found 1/21$458
This United Airlines deal was found by Cheapflights users on 1/20. 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 1/216:00 am
MSO
-
DUB
2 stops18h 30m
United Airlines
Wed 1/289:00 am
DUB
-
MSO
2 stops43h 51m
United Airlines
Deal found 1/20$462
This United Airlines deal was found by Cheapflights users on 1/20. 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 3/45:53 pm
BIL
-
DUB
2 stops31h 17m
United Airlines
Wed 3/118:00 am
DUB
-
BIL
2 stops43h 07m
United Airlines
Deal found 1/20$462
This United Airlines deal was found by Cheapflights users on 1/21. 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 4/296:34 am
BZN
-
DUB
2 stops21h 06m
United Airlines
Wed 5/139:20 am
DUB
-
BZN
2 stops43h 17m
United Airlines
Deal found 1/21$466
This Flighttix deal was found by Cheapflights users on 1/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/177:00 am
BIL
-
DUB
2 stops17h 10m
Multiple Airlines
Tue 2/249:10 am
DUB
-
BIL
2 stops19h 11m
Multiple Airlines
Deal found 1/20$466
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/217:00 am
BIL
-
DUB
2 stops20h 20m
United Airlines
Fri 3/69:00 am
DUB
-
BIL
2 stops31h 51m
United Airlines
Deal found 1/21$475
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/712:45 pm
FCA
-
DUB
1 stop12h 25m
United Airlines
Sat 2/219:00 am
DUB
-
FCA
2 stops44h 12m
United Airlines
Deal found 1/21$475
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/177:00 am
BIL
-
DUB
2 stops18h 10m
United Airlines
Tue 2/2410:40 am
DUB
-
BIL
2 stops17h 41m
United Airlines
Deal found 1/20$477
This Air France deal was found by Cheapflights users on 1/21. 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.
Sat 2/216:20 am
BIL
-
DUB
1 stop18h 25m
Multiple Airlines
Fri 3/69:45 am
DUB
-
BIL
1 stop16h 54m
Multiple Airlines
Deal found 1/21$479
This KLM deal was found by Cheapflights users on 1/21. 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.
Sun 3/17:30 am
MSO
-
DUB
1 stop17h 15m
KLM
Sun 3/85:15 pm
DUB
-
MSO
2 stops32h 47m
KLM
Deal found 1/21$483
This United Airlines deal was found by Cheapflights users on 1/21. 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 3/15:08 pm
MSO
-
DUB
2 stops34h 12m
United Airlines
Sun 3/88:00 am
DUB
-
MSO
2 stops38h 08m
United Airlines
Deal found 1/21$485
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/66:30 am
BIL
-
DUB
2 stops18h 00m
United Airlines
Fri 2/139:00 am
DUB
-
BIL
2 stops39h 12m
United Airlines
Deal found 1/19$485

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$462
(United Airlines)

One-way from

$234
(American Airlines)

Popular in

February

Cheapest in

November

Average price

$637
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. 0% potential increase in price ($4 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 January 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 January 21, 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

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Sun 2/1

5:15 pm-8:10 am

2 stops31h 55m

Dublin

Sun 3/1

9:00 am-9:57 pm

2 stops43h 57m

$462

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Wed 3/4

5:53 pm-8:10 am

2 stops31h 17m

Dublin

Wed 3/11

8:00 am-9:07 pm

2 stops43h 07m

$462

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Tue 2/17

7:00 am-7:10 am

2 stops17h 10m

Dublin

Tue 2/24

9:10 am-9:21 pm

2 stops19h 11m

$466

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Wed 4/29

6:34 am-10:40 am

2 stops21h 06m

Dublin

Wed 5/13

9:20 am-9:37 pm

2 stops43h 17m

$466

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Sat 2/21

7:00 am-10:20 am

2 stops20h 20m

Dublin

Fri 3/6

9:00 am-9:51 am

2 stops31h 51m

$475

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Sat 2/7

12:45 pm-8:10 am

1 stop12h 25m

Dublin

Sat 2/21

9:00 am-10:12 pm

2 stops44h 12m

$475

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Sat 2/21

6:20 am-7:45 am

1 stop18h 25m

Dublin

Fri 3/6

5:55 am-7:39 pm

2 stops20h 44m

$477

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Tue 2/17

7:00 am-8:10 am

2 stops18h 10m

Dublin

Tue 2/24

10:40 am-9:21 pm

2 stops17h 41m

$477

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Sun 3/1

7:30 am-7:45 am

1 stop17h 15m

Dublin

Sun 3/8

5:15 pm-8:02 pm

2 stops32h 47m

$483

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Fri 2/6

6:30 am-7:30 am

2 stops18h 00m

Dublin

Fri 2/13

9:00 am-5:12 pm

2 stops39h 12m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 44 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 American Airlines can get you from Montana to Ireland in just under 15h 41m. Your travel time can differ by up to 16h 14m. There are 4231 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 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$385Average$770FlexibilityNo cancel feeOn-time69%
DeltaCheapest$456Average$811FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$1,085FlexibilityNo cancel feeOn-time71%

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