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Ireland

$274+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DUB
Apr 2 — Apr 91
Thu 4/2
Thu 4/9
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 March 3, 2026.

This American Airlines deal was found by Cheapflights users on 2/25. 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.
Tue 10/272:02 pm
BIL
-
DUB
2 stops18h 18m
American Airlines
Tue 11/101:00 pm
DUB
-
BIL
1 stop15h 15m
American Airlines
Deal found 2/25$516
This United Airlines deal was found by Cheapflights users on 2/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:15 am
MSO
-
DUB
3 stops21h 05m
United Airlines
Wed 3/118:00 am
DUB
-
MSO
2 stops43h 57m
United Airlines
Deal found 2/27$531
This Delta deal was found by Cheapflights users on 2/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:15 am
BIL
-
DUB
1 stop19h 30m
Delta
Tue 11/109:45 am
DUB
-
BIL
1 stop19h 58m
Delta
Deal found 2/26$545
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/199:37 am
BTM
-
DUB
2 stops18h 33m
United Airlines
Tue 5/59:50 am
DUB
-
BTM
2 stops19h 32m
United Airlines
Deal found 3/2$557
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/199:37 am
BTM
-
DUB
2 stops18h 33m
United Airlines
Fri 5/19:30 am
DUB
-
BTM
2 stops19h 52m
United Airlines
Deal found 3/2$565
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/296:15 am
MSO
-
DUB
2 stops21h 55m
United Airlines
Tue 5/128:50 am
DUB
-
MSO
2 stops19h 40m
United Airlines
Deal found 3/2$565
This United Airlines deal was found by Cheapflights users on 2/26. 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 9/27:00 am
BIL
-
DUB
2 stops17h 45m
United Airlines
Wed 9/99:20 am
DUB
-
BIL
2 stops34h 53m
United Airlines
Deal found 2/26$566
This Delta deal was found by Cheapflights users on 3/2. 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.
Fri 4/176:10 pm
BTM
-
DUB
2 stops55h 35m
Delta
Tue 5/58:55 am
DUB
-
BTM
2 stops39h 13m
Delta
Deal found 3/2$568
This American Airlines deal was found by Cheapflights users on 2/25. 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 11/121:52 pm
BZN
-
DUB
2 stops17h 18m
American Airlines
Wed 11/181:00 pm
DUB
-
BZN
1 stop31h 01m
American Airlines
Deal found 2/25$572
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/189:37 am
BTM
-
DUB
2 stops41h 08m
United Airlines
Fri 5/19:30 am
DUB
-
BTM
2 stops19h 52m
United Airlines
Deal found 3/2$576
This United Airlines deal was found by Cheapflights users on 3/2. 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 5/35:08 pm
MSO
-
DUB
2 stops31h 12m
United Airlines
Wed 5/138:50 am
DUB
-
MSO
2 stops19h 40m
United Airlines
Deal found 3/2$576
This Air France deal was found by Cheapflights users on 2/25. 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.
Thu 11/122:00 pm
BZN
-
DUB
2 stops18h 45m
Multiple Airlines
Wed 11/185:15 pm
DUB
-
BZN
2 stops31h 40m
Multiple Airlines
Deal found 2/25$577

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 March 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$557
(United Airlines)

One-way from

$274
(United Airlines)

Popular in

July

Cheapest in

February

Average price

$715
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 ($237 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 3, 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

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Tue 4/21

9:24 am-10:40 am

2 stops18h 16m

Dublin

Tue 5/5

9:50 am-10:22 pm

2 stops19h 32m

$557

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Mon 4/20

9:37 am-9:45 am

2 stops17h 08m

Dublin

Tue 5/5

9:50 am-10:22 pm

2 stops19h 32m

$557

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Tue 4/21

9:24 am-10:40 am

2 stops18h 16m

Dublin

Fri 5/1

8:50 am-10:22 pm

2 stops20h 32m

$565

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Mon 5/4

6:15 am-10:40 am

2 stops21h 25m

Dublin

Wed 5/13

9:30 am-9:30 pm

2 stops19h 00m

$565

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Fri 4/17

6:10 pm-8:45 am

2 stops55h 35m

Dublin

Fri 5/1

1:15 pm-5:08 pm

2 stops34h 53m

$581

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Tue 8/11

5:32 pm-7:20 am

2 stops30h 48m

Dublin

Sat 8/22

9:50 am-9:26 pm

2 stops42h 36m

$583

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Tue 4/21

9:24 am-8:15 am

2 stops15h 51m

Dublin

Sat 5/2

9:50 am-10:22 pm

2 stops43h 32m

$587

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Sun 4/19

9:37 am-8:15 am

2 stops39h 38m

Dublin

Mon 5/4

9:50 am-10:22 pm

2 stops43h 32m

$587

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Wed 4/8

6:34 am-7:20 am

2 stops17h 46m

Dublin

Wed 4/15

9:50 am-1:34 pm

2 stops34h 44m

$588

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Tue 3/31

7:00 am-9:45 am

2 stops19h 45m

Dublin

Tue 4/14

9:50 am-1:23 pm

2 stops34h 33m

$588

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/1

Showing 1-10 of 47 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, 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 $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, Delta, and British Airways can get you from Montana to Ireland in just under 17h 19m. Your travel time can differ by up to 38h 16m. There are 4283 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 $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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San Francisco to Charles de Gaulle flights
Boston to Dublin flights
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Dallas/Fort Worth to Charles de Gaulle flights

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 March 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$385Average$760FlexibilityNo cancel feeOn-time69%
DeltaCheapest$456Average$811FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$930FlexibilityNo cancel feeOn-time71%

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