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Ireland

$422+ 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DUB
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. 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 1/28$458
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/176:15 am
HLN
-
DUB
2 stops18h 55m
United Airlines
Fri 3/138:00 am
DUB
-
HLN
2 stops43h 25m
United Airlines
Deal found 1/28$463
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/212:25 pm
HLN
-
DUB
2 stops33h 45m
United Airlines
Fri 3/138:00 am
DUB
-
HLN
2 stops35h 38m
United Airlines
Deal found 1/28$466
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 4/189:24 am
BTM
-
DUB
2 stops41h 21m
United Airlines
Tue 5/59:50 am
DUB
-
BTM
2 stops43h 32m
United Airlines
Deal found 1/27$468
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/152:25 pm
HLN
-
DUB
2 stops34h 45m
United Airlines
Fri 3/138:00 am
DUB
-
HLN
2 stops35h 38m
United Airlines
Deal found 1/28$468
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Sat 4/182:25 pm
HLN
-
DUB
2 stops58h 50m
United Airlines
Tue 5/59:50 am
DUB
-
HLN
2 stops42h 56m
United Airlines
Deal found 1/26$470
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/162:25 pm
HLN
-
DUB
2 stops34h 45m
United Airlines
Fri 3/138:00 am
DUB
-
HLN
2 stops35h 38m
United Airlines
Deal found 1/28$473
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/1710:00 am
BTM
-
DUB
2 stops15h 10m
United Airlines
Wed 3/118:00 am
DUB
-
BTM
2 stops20h 26m
United Airlines
Deal found 1/28$481
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/1812:48 pm
BZN
-
DUB
1 stop12h 22m
United Airlines
Wed 3/118:00 am
DUB
-
BZN
2 stops20h 12m
United Airlines
Deal found 1/28$481
This Delta deal was found by Cheapflights users on 1/28. 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 2/212:00 pm
BZN
-
DUB
1 stop10h 45m
Delta
Sun 3/81:25 pm
DUB
-
BZN
2 stops34h 21m
Delta
Deal found 1/28$484
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/1610:00 am
BTM
-
DUB
2 stops38h 10m
United Airlines
Wed 3/118:00 am
DUB
-
BTM
2 stops20h 26m
United Airlines
Deal found 1/28$485
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/1812:48 pm
BZN
-
DUB
1 stop12h 22m
United Airlines
Tue 3/109:30 am
DUB
-
BZN
2 stops18h 42m
United Airlines
Deal found 1/28$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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$458
(United Airlines)

One-way from

$422
(American Airlines)

Popular in

July

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. 21% potential increase in price ($220 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 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 29, 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

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 2/18

6:15 am-8:10 am

2 stops18h 55m

Dublin

Fri 3/13

8:00 am-1:38 pm

2 stops35h 38m

$463

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sat 2/21

2:25 pm-7:10 am

2 stops33h 45m

Dublin

Fri 3/13

8:00 am-1:38 pm

2 stops35h 38m

$466

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Sat 4/18

9:24 am-9:45 am

2 stops41h 21m

Dublin

Tue 5/5

9:50 am-10:22 pm

2 stops43h 32m

$468

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sun 2/15

2:25 pm-8:10 am

2 stops34h 45m

Dublin

Fri 3/13

8:00 am-1:38 pm

2 stops35h 38m

$468

HelenaDublin

HLN - DUB

HLNDUB

Helena

Sat 4/18

2:25 pm-8:15 am

2 stops58h 50m

Dublin

Tue 5/5

9:50 am-9:46 pm

2 stops42h 56m

$470

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Sat 2/21

2:00 pm-7:45 am

1 stop10h 45m

Dublin

Sun 3/8

1:25 pm-5:46 pm

2 stops34h 21m

$484

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Sat 2/21

6:00 am-7:45 am

1 stop18h 45m

Dublin

Mon 3/9

5:55 am-8:14 pm

2 stops20h 19m

$484

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Mon 2/16

10:00 am-7:10 am

2 stops38h 10m

Dublin

Fri 3/13

8:00 am-10:26 pm

2 stops20h 26m

$485

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Wed 2/18

8:11 am-8:10 am

1 stop16h 59m

Dublin

Tue 3/10

10:40 am-10:12 pm

1 stop17h 32m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 48 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 KLM can get you from Montana to Ireland in just under 10h 45m. Your travel time can differ by up to 9h 19m. 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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O'Hare Intl to Leonardo da Vinci/Fiumicino flights
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LaGuardia to Gatwick flights
Los Angeles to Charles de Gaulle flights
John F Kennedy Intl to Athens flights
Dulles Intl to Charles de Gaulle flights
John F Kennedy Intl to Barcelona-El Prat flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Seattle to Heathrow flights
O'Hare Intl to Charles de Gaulle flights
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Baltimore to Heathrow flights
Boston to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
San Francisco to Charles de Gaulle flights
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Newark to Lisbon flights
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Dallas/Fort Worth to Leonardo da Vinci/Fiumicino 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$385Average$753FlexibilityNo cancel feeOn-time69%
DeltaCheapest$456Average$811FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$1,040FlexibilityNo cancel feeOn-time71%

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