How long is the flight from Montana to Ireland?

United Airlines and British Airways can get you from Montana to Ireland in just under 15h 56m. Your travel time can differ by up to 46m. There are 4317 mi between Montana and Ireland. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What is the cheapest time of day to fly from MT to IE?

When flying from Montana to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$451+ Flights from Montana to Ireland

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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 December 8, 2025.

Mon 12/810:49 amBZN - DUB

2 stops16h 31mLufthansa

Mon 12/1512:05 pmDUB - BZN

2 stops40h 34mLufthansa

Deal found 12/7

$478

Mon 12/87:45 amMSO - DUB

2 stops25h 00mMultiple Airlines

Mon 12/155:55 amDUB - MSO

2 stops22h 58mMultiple Airlines

Deal found 12/7

$486

Mon 12/86:25 amBIL - DUB

2 stops26h 20mMultiple Airlines

Sat 2/285:55 amDUB - BIL

2 stops20h 44mMultiple Airlines

Deal found 12/7

$486

Mon 12/85:00 amMSO - DUB

2 stops27h 45mDelta

Tue 12/169:45 amDUB - MSO

1 stop19h 08mDelta

Deal found 12/7

$488

Mon 12/87:25 amBZN - DUB

2 stops25h 20mDelta

Mon 12/159:45 amDUB - BZN

1 stop34h 41mDelta

Deal found 12/7

$493

Mon 12/86:15 amMSO - DUB

2 stops45h 05mUnited Airlines

Tue 12/161:35 pmDUB - MSO

3 stops30h 58mUnited Airlines

Deal found 12/7

$493

Mon 12/85:54 pmBIL - DUB

2 stops31h 16mUnited Airlines

Mon 12/2210:40 amDUB - BIL

2 stops33h 44mUnited Airlines

Deal found 12/6

$601

Wed 12/101:13 pmMSO - DUB

2 stops20h 07mKLM

Thu 12/189:45 amDUB - MSO

1 stop19h 08mKLM

Deal found 12/8

$631

Wed 12/101:13 pmMSO - DUB

2 stops20h 07mDelta

Thu 12/189:45 amDUB - MSO

2 stops21h 51mDelta

Deal found 12/7

$636

Tue 12/236:16 pmBZN - DUB

2 stops54h 29mDelta

Tue 12/305:55 amDUB - BZN

2 stops23h 36mDelta

Deal found 12/5

$806

Tue 12/236:16 pmBZN - DUB

2 stops54h 29mDelta

Mon 12/295:55 amDUB - BZN

2 stops23h 36mDelta

Deal found 12/5

$859

Wed 12/106:15 amFCA - DUB

2 stops20h 40mUnited Airlines

Wed 4/89:50 amDUB - FCA

2 stops34h 43mUnited Airlines

Deal found 12/5

$928

Best flights from Montana to Ireland
Discover carefully curated flight deals from Montana to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 8, 2025.

Tue 2/109:14 amBTM - DUB

2 stops15h 56mUnited Airlines

Wed 2/189:00 amDUB - BTM

2 stops44h 26mUnited Airlines

Deal found 12/7

$456

Sat 4/186:10 pmBTM - DUB

2 stops30h 45mDelta

Thu 4/301:25 pmDUB - BTM

2 stops34h 40mDelta

Deal found 12/7

$545

Sat 4/1812:50 pmHLN - DUB

2 stops36h 05mMultiple Airlines

Tue 5/56:00 amDUB - HLN

2 stops23h 34mMultiple Airlines

Deal found 12/7

$622

Fri 1/234:03 pmBZN - SNN

2 stops16h 42mBritish Airways

Tue 1/278:05 pmSNN - BZN

2 stops34h 51mBritish Airways

Deal found 12/5

$686

Tue 5/52:03 pmBIL - DUB

2 stops17h 47mAmerican Airlines

Fri 5/1511:45 amDUB - BIL

1 stop16h 01mAmerican Airlines

Deal found 12/5

$773

Mon 3/26:20 amBZN - DUB

2 stops21h 00mUnited Airlines

Mon 3/98:00 amDUB - BZN

2 stops43h 22mUnited Airlines

Deal found 12/6

$460

Thu 1/226:30 amBIL - DUB

2 stops18h 40mUnited Airlines

Mon 1/269:00 amDUB - BIL

2 stops37h 20mUnited Airlines

Deal found 12/5

$460

Fri 4/176:10 pmBTM - DUB

2 stops56h 05mDelta

Thu 4/301:25 pmDUB - BTM

2 stops34h 40mDelta

Deal found 12/7

$545

Thu 1/226:00 amFCA - DUB

2 stops18h 30mUnited Airlines

Mon 1/269:00 amDUB - FCA

2 stops43h 59mUnited Airlines

Deal found 12/6

$460

Fri 1/96:00 amMSO - DUB

2 stops18h 10mUnited Airlines

Fri 1/169:00 amDUB - MSO

2 stops19h 51mUnited Airlines

Deal found 12/6

$485

Thu 4/166:15 amBIL - DUB

1 stop18h 40mMultiple Airlines

Wed 4/2910:00 amDUB - BIL

1 stop17h 07mMultiple Airlines

Deal found 12/6

$662

Sun 4/191:45 pmBZN - DUB

1 stop11h 10mDelta

Thu 4/308:55 amDUB - BZN

2 stops20h 29mDelta

Deal found 12/7

$609

Thu 2/53:03 pmBZN - ORK

2 stops22h 57mBritish Airways

Mon 2/911:55 amORK - BZN

2 stops19h 01mBritish Airways

Deal found 12/5

$687

Wed 1/219:14 amBTM - DUB

2 stops15h 56mUnited Airlines

Sun 1/2510:40 amDUB - BTM

2 stops19h 05mUnited Airlines

Deal found 12/5

$488

Sun 4/191:45 pmBZN - DUB

1 stop11h 10mDelta

Thu 5/78:55 amDUB - BZN

2 stops21h 58mDelta

Deal found 12/7

$609

Fri 1/236:15 amHLN - DUB

2 stops18h 15mUnited Airlines

Tue 1/279:30 amDUB - HLN

2 stops18h 56mUnited Airlines

Deal found 12/5

$488

Mon 4/206:00 amBZN - DUB

1 stop18h 55mDelta

Thu 4/308:55 amDUB - BZN

2 stops21h 58mDelta

Deal found 12/7

$609

Wed 1/216:00 amMSO - DUB

2 stops18h 30mUnited Airlines

Sun 1/259:30 amDUB - MSO

2 stops19h 21mUnited Airlines

Deal found 12/5

$488

Sun 4/195:45 amHLN - DUB

2 stops19h 10mDelta

Mon 5/49:15 amDUB - HLN

2 stops44h 19mDelta

Deal found 12/7

$633

Wed 1/216:00 amFCA - DUB

2 stops19h 10mUnited Airlines

Sun 1/2510:40 amDUB - FCA

2 stops18h 19mUnited Airlines

Deal found 12/5

$488

Tue 5/57:00 amBIL - DUB

3 stops18h 15mMultiple Airlines

Fri 5/159:50 amDUB - BIL

2 stops18h 01mMultiple Airlines

Deal found 12/5

$924

Wed 1/2112:05 pmBZN - DUB

1 stop12h 25mUnited Airlines

Sun 1/259:30 amDUB - BZN

2 stops33h 14mUnited Airlines

Deal found 12/6

$493

Wed 3/184:00 pmFCA - DUB

1 stop15h 10mMultiple Airlines

Tue 3/248:50 amDUB - FCA

2 stops21h 08mMultiple Airlines

Deal found 12/6

$940

Mon 2/96:15 amHLN - DUB

2 stops18h 15mUnited Airlines

Mon 2/1610:40 amDUB - HLN

2 stops34h 00mUnited Airlines

Deal found 12/6

$499

Thu 2/125:05 pmMSO - DUB

2 stops55h 05mUnited Airlines

Sat 2/2112:05 pmDUB - MSO

2 stops56h 27mUnited Airlines

Deal found 12/6

$500

Sun 4/1910:00 amBTM - DUB

2 stops16h 45mUnited Airlines

Fri 5/19:50 amDUB - BTM

2 stops43h 32mUnited Airlines

Deal found 12/7

$509

Mon 4/2010:00 amBTM - DUB

2 stops16h 45mUnited Airlines

Fri 5/19:50 amDUB - BTM

2 stops43h 32mUnited Airlines

Deal found 12/7

$509

Sun 4/1910:00 amBTM - DUB

2 stops16h 45mUnited Airlines

Tue 5/59:50 amDUB - BTM

2 stops43h 32mUnited Airlines

Deal found 12/7

$509

Tue 4/146:15 amMSO - DUB

3 stops21h 25mUnited Airlines

Fri 4/249:50 amDUB - MSO

2 stops42h 49mUnited Airlines

Deal found 12/7

$513

Tue 4/146:15 amMSO - DUB

3 stops21h 25mUnited Airlines

Wed 4/229:50 amDUB - MSO

2 stops37h 14mUnited Airlines

Deal found 12/6

$513

Last-minute flights from Montana to Ireland
Discover last-minute flight deals from Montana to Ireland. Data last updated December 8, 2025 and is based on user searches.

Mon 12/810:49 amBZN - DUB

2 stops16h 31mLufthansa

Mon 12/1512:05 pmDUB - BZN

2 stops40h 34mLufthansa

Deal found 12/7

$478

Mon 12/87:45 amMSO - DUB

2 stops25h 00mMultiple Airlines

Mon 12/155:55 amDUB - MSO

2 stops22h 58mMultiple Airlines

Deal found 12/7

$486

Mon 12/86:25 amBIL - DUB

2 stops26h 20mMultiple Airlines

Sat 2/285:55 amDUB - BIL

2 stops20h 44mMultiple Airlines

Deal found 12/7

$486

Mon 12/86:15 amMSO - DUB

2 stops21h 05mUnited Airlines

Tue 12/1610:40 amDUB - MSO

2 stops17h 38mUnited Airlines

Deal found 12/7

$488

Fri 1/96:00 amMSO - DUB

2 stops18h 10mUnited Airlines

Fri 1/169:00 amDUB - MSO

2 stops19h 51mUnited Airlines

Deal found 12/6

$485

Wed 1/219:14 amBTM - DUB

2 stops15h 56mUnited Airlines

Sun 1/259:30 amDUB - BTM

2 stops20h 15mUnited Airlines

Deal found 12/7

$488

Wed 1/216:00 amFCA - DUB

2 stops19h 10mUnited Airlines

Sun 1/2510:40 amDUB - FCA

2 stops18h 19mUnited Airlines

Deal found 12/5

$488

Wed 1/2110:45 amBZN - DUB

2 stops14h 25mUnited Airlines

Sun 1/259:30 amDUB - BZN

2 stops33h 14mUnited Airlines

Deal found 12/7

$493

Wed 1/216:00 amMSO - DUB

2 stops19h 10mUnited Airlines

Sun 1/2510:40 amDUB - MSO

2 stops18h 11mUnited Airlines

Deal found 12/7

$563

Thu 1/226:30 amBIL - DUB

2 stops18h 40mUnited Airlines

Mon 1/269:00 amDUB - BIL

2 stops37h 20mUnited Airlines

Deal found 12/5

$460

Thu 1/226:00 amFCA - DUB

2 stops19h 10mUnited Airlines

Mon 1/269:00 amDUB - FCA

2 stops43h 59mUnited Airlines

Deal found 12/7

$460

Fri 1/236:15 amHLN - DUB

2 stops18h 15mUnited Airlines

Tue 1/2710:40 amDUB - HLN

2 stops17h 46mUnited Airlines

Deal found 12/6

$488

One-way flights from Montana to Ireland
Search for one-way flight options from Montana to Ireland. Find affordable one-way fares based on user searches. Data last updated December 8, 2025.

Wed 5/137:00 amBZN - DUB

2 stops17h 20mUnited Airlines

Deal found 12/8

$451

Wed 5/136:15 amBIL - DUB

1 stop18h 40mDelta

Deal found 12/8

$451

Wed 5/137:24 pmBIL - DUB

3 stops40h 06mMultiple Airlines

Deal found 12/8

$508

Wed 5/137:33 pmBZN - DUB

3 stops39h 57mMultiple Airlines

Deal found 12/8

$544

Find flight deals from Montana to Ireland

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$456 (United Airlines)
One-way from	$451 (United Airlines)
Popular in	July
Cheapest in	November
Average price	$574

Provider with most accurate pricing for Bozeman Gallatin Field-Dublin flight deals.

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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Dublin flights.

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From Montana to Ireland

Search Deals

One-way flight from Montana to Ireland

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($221 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Tue 2/10

9:14 am-8:10 am

2 stops15h 56m

Dublin

Wed 2/18

9:00 am-10:26 pm

2 stops44h 26m

$456

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Mon 3/2

6:20 am-10:20 am

2 stops21h 00m

Dublin

Mon 3/9

8:00 am-9:22 pm

2 stops43h 22m

$460

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Thu 1/22

6:30 am-8:10 am

2 stops18h 40m

Dublin

Mon 1/26

9:00 am-3:20 pm

2 stops37h 20m

$460

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Thu 1/22

6:00 am-7:30 am

2 stops18h 30m

Dublin

Mon 1/26

9:00 am-9:59 pm

2 stops43h 59m

$460

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Fri 1/9

6:00 am-7:10 am

2 stops18h 10m

Dublin

Fri 1/16

9:00 am-9:51 pm

2 stops19h 51m

$485

ButteDublin

BTM - DUB

BTMDUB

Butte Silver Bow Co

Wed 1/21

9:14 am-8:10 am

2 stops15h 56m

Dublin

Sun 1/25

10:40 am-10:45 pm

2 stops19h 05m

$488

HelenaDublin

HLN - DUB

HLNDUB

Helena

Fri 1/23

6:15 am-7:30 am

2 stops18h 15m

Dublin

Tue 1/27

9:30 am-9:26 pm

2 stops18h 56m

$488

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 1/21

6:00 am-7:30 am

2 stops18h 30m

Dublin

Sun 1/25

9:30 am-9:51 pm

2 stops19h 21m

$488

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Wed 1/21

6:00 am-8:10 am

2 stops19h 10m

Dublin

Sun 1/25

10:40 am-9:59 pm

2 stops18h 19m

$488

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Wed 1/21

12:05 pm-7:30 am

1 stop12h 25m

Dublin

Sun 1/25

9:30 am-11:44 am

2 stops33h 14m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 36 results

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

How long is the flight from Montana to Ireland?
United Airlines and British Airways can get you from Montana to Ireland in just under 15h 56m. Your travel time can differ by up to 46m. There are 4317 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

Alternative routes for Montana to Ireland

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Top 4 airlines flying from Montana to Ireland

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$385	Average$756	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$489	Average$1,098	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$551	Average$800	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$570	Average$856	FlexibilityNo cancel fee	On-time75%

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$451+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Montana to Ireland

Cheapest flights from Montana to IrelandExplore 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 December 8, 2025.

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 December 8, 2025.

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 December 8, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montana to Ireland that are best for you.

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.

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?

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?

Can I find deals for flights from Montana to Ireland that include hotel bookings?

How can I find direct flights from Montana to Ireland?

Can I find deals for business class flights from Montana to Ireland?

What is the cheapest month to book a flight from Montana to Ireland?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Montana to Ireland

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Top 4 airlines flying from Montana to Ireland

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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 December 8, 2025.