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Ireland

$350+ 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
May 2 — May 91
Sat 5/2
Sat 5/9
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 April 2, 2026.

This United Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 8/178:30 am
BZN
-
SNN
1 stop16h 00m
United Airlines
Fri 8/219:30 am
SNN
-
BZN
1 stop15h 53m
United Airlines
Deal found 3/30$719
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Mon 11/96:15 am
MSO
-
DUB
2 stops20h 40m
United Airlines
Fri 11/139:00 am
DUB
-
MSO
2 stops38h 10m
United Airlines
Deal found 3/31$722
This United Airlines deal was found by Cheapflights users on 3/29. 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 8/164:05 pm
BZN
-
DUB
1 stop34h 40m
United Airlines
Thu 8/209:50 am
DUB
-
BZN
2 stops39h 33m
United Airlines
Deal found 3/29$723
This United Airlines deal was found by Cheapflights users on 3/30. 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 12/17:00 am
BIL
-
DUB
2 stops17h 30m
United Airlines
Wed 12/99:00 am
DUB
-
BIL
2 stops35h 13m
United Airlines
Deal found 3/30$723
This KLM deal was found by Cheapflights users on 3/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:45 pm
BZN
-
DUB
1 stop11h 00m
KLM
Wed 12/95:55 am
DUB
-
BZN
2 stops19h 00m
KLM
Deal found 3/30$741
This Air France deal was found by Cheapflights users on 3/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:15 am
BIL
-
DUB
1 stop18h 30m
Multiple Airlines
Wed 12/95:55 am
DUB
-
BIL
2 stops18h 54m
Multiple Airlines
Deal found 3/30$741
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Mon 11/96:31 am
FCA
-
DUB
2 stops18h 39m
United Airlines
Thu 11/129:30 am
DUB
-
FCA
2 stops19h 00m
United Airlines
Deal found 3/29$749
This Delta deal was found by Cheapflights users on 3/29. 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.
Sat 9/126:10 pm
MSO
-
DUB
2 stops33h 35m
Delta
Fri 9/185:55 am
DUB
-
MSO
2 stops15h 42m
Delta
Deal found 3/29$762
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Wed 12/210:00 am
BTM
-
DUB
2 stops16h 55m
United Airlines
Sun 12/69:00 am
DUB
-
BTM
2 stops44h 27m
United Airlines
Deal found 3/29$768
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Mon 9/288:30 am
BZN
-
DUB
1 stop18h 15m
United Airlines
Thu 10/159:50 am
DUB
-
BZN
2 stops34h 38m
United Airlines
Deal found 4/1$769
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Fri 8/218:30 am
BZN
-
SNN
1 stop16h 00m
United Airlines
Tue 8/259:30 am
SNN
-
BZN
1 stop12h 52m
United Airlines
Deal found 3/29$769
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 10/1212:40 pm
MSO
-
DUB
1 stop14h 05m
United Airlines
Tue 10/209:50 am
DUB
-
MSO
2 stops42h 36m
United Airlines
Deal found 3/30$770

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 April 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$719
(United Airlines)

One-way from

$350
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$590
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 ($236 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 April 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 April 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

BozemanShannon

BZN - SNN

BZNSNN

Bozeman Gallatin Field

Mon 8/17

8:30 am-7:30 am

1 stop16h 00m

Shannon

Fri 8/21

9:30 am-6:23 pm

1 stop15h 53m

$719

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Sun 8/16

4:05 pm-9:45 am

1 stop34h 40m

Dublin

Thu 8/20

9:50 am-6:23 pm

2 stops39h 33m

$723

BozemanShannon

BZN - SNN

BZNSNN

Bozeman Gallatin Field

Fri 8/21

8:30 am-7:30 am

1 stop16h 00m

Shannon

Tue 8/25

9:30 am-3:22 pm

1 stop12h 52m

$769

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Sat 8/15

4:05 pm-7:45 am

2 stops32h 40m

Dublin

Sat 8/22

9:50 am-1:28 pm

2 stops34h 38m

$771

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Tue 8/11

12:40 pm-8:15 am

2 stops36h 35m

Dublin

Sat 8/22

9:50 am-9:26 pm

2 stops42h 36m

$776

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Tue 9/1

5:00 pm-7:20 am

2 stops31h 20m

Dublin

Tue 9/15

9:20 am-6:48 pm

2 stops16h 28m

$788

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Sat 8/15

12:30 pm-9:45 am

1 stop14h 15m

Dublin

Wed 8/19

9:20 am-6:23 pm

2 stops16h 03m

$796

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

2:29 pm-8:15 am

2 stops34h 46m

Dublin

Tue 9/1

9:20 am-9:16 pm

2 stops18h 56m

$804

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Fri 7/31

6:00 pm-8:15 am

2 stops55h 15m

Dublin

Fri 8/14

9:20 am-11:02 am

2 stops32h 42m

$812

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Tue 9/1

5:00 pm-7:45 am

2 stops31h 45m

Dublin

Fri 9/4

11:35 am-6:48 pm

1 stop14h 13m

$814

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 44 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 $413). Flying from Montana to Ireland in June is currently the most expensive (average of $882). 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 and British Airways can get you from Montana to Ireland in just under 12h. Your travel time can differ by up to 12h 46m. 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, August is the cheapest month in which you can book a flight from Montana to Ireland (average of $413). Flying from Montana to Ireland in June is currently the most expensive (average of $882). 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 April 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$456Average$759FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$484Average$741FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$489Average$838FlexibilityNo cancel feeOn-time71%

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