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$618+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — DUB
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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 August 14, 2025.

Round-trip from

$618
(United Airlines)

Popular in

July

Cheapest in

October

Average price

$745
From Missoula Johnson-Bell Field to Ireland
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($239 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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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 August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/12. 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 10/86:25 amMSO - DUB
2 stops17h 55mUnited Airlines
Fri 10/179:50 amDUB - MSO
2 stops37h 54mUnited Airlines
Deal found 8/12$618
This KLM deal was found by Cheapflights users on 8/14. 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.
Wed 10/86:20 pmMSO - DUB
2 stops15h 20mKLM
Fri 10/1710:00 amDUB - MSO
1 stop18h 40mKLM
Deal found 8/14$716
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Fri 8/151:51 pmMSO - DUB
1 stop12h 54mAmerican Airlines
Sun 8/171:45 pmDUB - MSO
1 stop16h 44mAmerican Airlines
Deal found 8/11$1,227
This United Airlines deal was found by Cheapflights users on 8/11. 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 8/1510:37 amMSO - DUB
2 stops16h 08mUnited Airlines
Sun 8/1711:35 amDUB - MSO
2 stops35h 37mUnited Airlines
Deal found 8/11$1,259

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 August 14, 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

Wed 10/8

6:25 am-7:20 am

2 stops17h 55m

Dublin

Fri 10/17

9:50 am-4:44 pm

2 stops37h 54m

$618

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 10/8

8:00 am-12:35 pm

2 stops21h 35m

Dublin

Fri 10/17

10:00 am-9:40 pm

1 stop18h 40m

$716

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 10/8

6:20 pm-4:40 pm

2 stops15h 20m

Dublin

Fri 10/17

10:00 am-9:18 pm

1 stop18h 18m

$716

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

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, November is the cheapest month in which you can book a flight from Missoula to Ireland (average of $509). Flying from Missoula to Ireland in June is currently the most expensive (average of $925). 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 August 14, 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
7.8
Good
1,381 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,381 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,916 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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, November is the cheapest month in which you can book a flight from Missoula to Ireland (average of $509). Flying from Missoula to Ireland in June is currently the most expensive (average of $925). 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.

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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$385Average$733FlexibilityNo cancel feeOn-time69%
KLMCheapest$570Average$856FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$866Average$1,239FlexibilityNo cancel feeOn-time71%

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