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$488+ Cheap flights from Missoula (MSO) to Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — DUB
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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Find flight deals from Missoula to Ireland

Cheapest flights from Missoula to Ireland
Explore the most affordable flight options available from Missoula to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 19, 2025.

This United Airlines deal was found by Cheapflights users on 11/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:20 amMSO - DUB
2 stops18h 50mUnited Airlines
Sun 11/3012:05 pmDUB - MSO
2 stops59h 05mUnited Airlines
Deal found 11/18$2,019
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Thu 11/277:00 amMSO - DUB
2 stops26h 35mMultiple Airlines
Sun 11/3011:30 amDUB - MSO
2 stops40h 04mMultiple Airlines
Deal found 11/18$2,043
This Delta deal was found by Cheapflights users on 11/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:00 amMSO - DUB
1 stop16h 45mDelta
Sun 11/305:55 amDUB - MSO
2 stops22h 51mDelta
Deal found 11/18$2,082

Cheap flight deals from Missoula to Ireland

Keep the following information in mind while searching for Missoula to Ireland flight deals. Data was last updated November 19, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$488
(United Airlines)

Popular in

July

Cheapest in

November

Average price

$501
Provider with most accurate pricing for Missoula Johnson-Bell Field-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Dublin flights.
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From Missoula Johnson-Bell Field to Ireland
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($240 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Missoula 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 November 19, 2025.
Use the filters below to find and compare flights from Missoula to Ireland that are best for you.

Fly from

Missoula

Fly to

Ireland

Route

Depart

Return

Price

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Fri 2/20

6:15 am-10:20 am

2 stops21h 05m

Dublin

Tue 2/24

9:30 am-9:57 pm

2 stops19h 27m

$488

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 3/4

6:15 am-9:55 am

2 stops20h 40m

Dublin

Sun 3/8

12:05 pm-1:33 pm

2 stops31h 28m

$513

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 3/4

5:05 am-12:40 pm

2 stops24h 35m

Dublin

Sun 3/8

9:45 am-8:17 pm

1 stop16h 32m

$515

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Fri 2/20

1:24 pm-10:20 am

1 stop13h 56m

Dublin

Tue 2/24

1:00 pm-12:54 pm

2 stops30h 54m

$655

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Sun 3/15

1:05 pm-1:35 pm

2 stops18h 30m

Dublin

Sat 3/21

8:55 am-11:55 pm

2 stops21h 00m

$978

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Sun 3/15

1:05 pm-9:00 am

1 stop13h 55m

Dublin

Sat 3/21

3:20 pm-12:25 pm

1 stop27h 05m

$1,413

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Best time to book a flight from Missoula to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Missoula 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 Missoula to Ireland

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

Currently, October is the cheapest month in which you can book a flight from Missoula to Ireland (average of $385). Flying from Missoula 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.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated November 19, 2025.
Peruse reviews from past customers who have flown with KLM, United Airlines, and American Airlines from Missoula to Ireland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,412 reviews

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,412 reviews
KLM
7.7
Good
1,412 reviews

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,024 reviews
KLM
7.7
Good
1,412 reviews

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
American Airlines
7.2
Good
11,046 reviews
KLM
7.7
Good
1,412 reviews

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Missoula to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Missoula to Ireland?

    Missoula Johnson-Bell Field (MSO), located 5.5 mi from the city center, is the airport you fly out of when you book flights from Missoula to Ireland.

  • How long is the flight from Missoula to Ireland?

    For as low as $655, United Airlines can have you in Ireland from Missoula in 13h 56m. The distance from Missoula to Ireland is about 4315 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Yes. In addition to deals on Missoula to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missoula to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missoula to Ireland.

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

    Yes. Cheapflights offers flight deals from Missoula 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 Missoula to Ireland?

    Currently, October is the cheapest month in which you can book a flight from Missoula to Ireland (average of $385). Flying from Missoula 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

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Top 3 airlines flying from Missoula to Ireland

Discover the top 3 airlines that operate flights from Missoula 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 November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$385Average$755FlexibilityNo cancel feeOn-time69%
KLMCheapest$570Average$856FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$631Average$1,212FlexibilityNo cancel feeOn-time71%

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