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Ireland

$258+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DUB
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
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 February 18, 2026.

This United Airlines deal was found by Cheapflights users on 2/17. 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 stops16h 55m
United Airlines
Sun 3/19:00 am
DUB
-
BTM
2 stops44h 26m
United Airlines
Deal found 2/17$458
This United Airlines deal was found by Cheapflights users on 2/15. 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 stops21h 05m
United Airlines
Sun 3/88:00 am
DUB
-
HLN
2 stops35h 38m
United Airlines
Deal found 2/15$463
This United Airlines deal was found by Cheapflights users on 2/15. 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 2/15$463
This United Airlines deal was found by Cheapflights users on 2/17. 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 4/159:24 am
BTM
-
DUB
2 stops17h 21m
United Airlines
Tue 5/59:50 am
DUB
-
BTM
2 stops43h 32m
United Airlines
Deal found 2/17$464
This United Airlines deal was found by Cheapflights users on 2/17. 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 4/1912:32 pm
BZN
-
DUB
1 stop14h 13m
United Airlines
Fri 5/19:50 am
DUB
-
BZN
2 stops32h 36m
United Airlines
Deal found 2/17$464
This United Airlines deal was found by Cheapflights users on 2/17. 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 4/64:19 pm
BZN
-
DUB
2 stops32h 01m
United Airlines
Tue 4/289:50 am
DUB
-
BZN
2 stops42h 42m
United Airlines
Deal found 2/17$469
This United Airlines deal was found by Cheapflights users on 2/17. 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 4/55:15 pm
MSO
-
DUB
2 stops33h 30m
United Airlines
Wed 4/159:50 am
DUB
-
MSO
2 stops42h 40m
United Airlines
Deal found 2/17$469
This United Airlines deal was found by Cheapflights users on 2/17. 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 4/189:24 am
BTM
-
DUB
2 stops38h 56m
United Airlines
Wed 5/69:20 am
DUB
-
BTM
2 stops44h 02m
United Airlines
Deal found 2/17$470
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Mon 4/131:08 pm
MSO
-
DUB
2 stops18h 22m
American Airlines
Wed 4/229:30 am
DUB
-
MSO
1 stop19h 15m
American Airlines
Deal found 2/18$473
This United Airlines deal was found by Cheapflights users on 2/14. 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 2/245:53 pm
BIL
-
DUB
2 stops31h 17m
United Airlines
Mon 3/98:00 am
DUB
-
BIL
2 stops55h 53m
United Airlines
Deal found 2/14$473
This United Airlines deal was found by Cheapflights users on 2/17. 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 4/182:40 pm
BZN
-
DUB
2 stops36h 05m
United Airlines
Fri 5/19:50 am
DUB
-
BZN
2 stops32h 36m
United Airlines
Deal found 2/17$475
This United Airlines deal was found by Cheapflights users on 2/17. 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 2/192:41 pm
FCA
-
DUB
2 stops34h 29m
United Airlines
Wed 3/410:40 am
DUB
-
FCA
1 stop32h 54m
United Airlines
Deal found 2/17$476

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 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$463
(United Airlines)

One-way from

$258
(United Airlines)

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 18, 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

Wed 3/4

6:15 am-10:20 am

2 stops21h 05m

Dublin

Sun 3/8

8:00 am-12:38 pm

2 stops35h 38m

$463

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Wed 4/15

9:24 am-9:45 am

2 stops17h 21m

Dublin

Tue 5/5

9:50 am-10:22 pm

2 stops43h 32m

$464

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Wed 4/15

9:24 am-11:10 am

2 stops18h 46m

Dublin

Wed 5/6

9:20 am-10:22 pm

2 stops44h 02m

$464

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Sun 4/19

9:24 am-9:45 am

2 stops17h 21m

Dublin

Wed 5/6

9:20 am-10:22 pm

2 stops44h 02m

$464

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Sun 4/19

9:24 am-11:10 am

2 stops18h 46m

Dublin

Tue 5/5

9:50 am-10:22 pm

2 stops43h 32m

$464

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Tue 4/7

6:15 am-9:45 am

2 stops20h 30m

Dublin

Wed 4/15

9:50 am-9:30 pm

2 stops42h 40m

$469

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Tue 4/7

6:15 am-9:45 am

2 stops20h 30m

Dublin

Tue 4/14

9:50 am-9:30 pm

2 stops42h 40m

$469

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Mon 4/6

5:15 pm-9:45 am

2 stops33h 30m

Dublin

Thu 4/16

9:50 am-9:30 pm

2 stops42h 40m

$469

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Sat 4/18

9:24 am-7:20 am

2 stops38h 56m

Dublin

Wed 5/6

9:20 am-10:22 pm

2 stops44h 02m

$470

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Sat 4/18

9:24 am-7:20 am

2 stops38h 56m

Dublin

Tue 5/5

9:50 am-10:22 pm

2 stops43h 32m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

Showing 1-10 of 43 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, American Airlines, and Delta can get you from Montana to Ireland in just under 11h 10m. Your travel time can differ by up to 9h 55m. 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, 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 18, 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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