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$557+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — DUB
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$557
(United Airlines)

Popular in

July

Cheapest in

October

Average price

$755
From Missoula Johnson-Bell Field to Ireland
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($234 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/16. 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 45mUnited Airlines
Fri 10/178:50 amDUB - MSO
2 stops34h 00mUnited Airlines
Deal found 9/16$581
This KLM deal was found by Cheapflights users on 9/16. 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.
Thu 10/168:00 amMSO - DUB
1 stop16h 55mKLM
Thu 10/2310:00 amDUB - MSO
1 stop18h 40mKLM
Deal found 9/16$630
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/166:25 amMSO - DUB
2 stops20h 55mUnited Airlines
Thu 10/238:50 amDUB - MSO
2 stops19h 35mUnited Airlines
Deal found 9/16$631
This KLM deal was found by Cheapflights users on 9/17. 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 10/88:00 amMSO - DUB
1 stop16h 55mKLM
Fri 10/1710:00 amDUB - MSO
1 stop18h 40mKLM
Deal found 9/17$817
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/225:15 pmMSO - DUB
2 stops34h 05mUnited Airlines
Fri 1/21:35 pmDUB - MSO
3 stops39h 06mUnited Airlines
Deal found 9/16$1,260
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 12/227:06 amMSO - DUB
1 stop17h 09mAmerican Airlines
Fri 1/212:55 pmDUB - MSO
1 stop15h 29mAmerican Airlines
Deal found 9/16$1,566

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 September 17, 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 3/4

6:15 am-9:55 am

2 stops20h 40m

Dublin

Sun 3/8

9:30 am-9:26 pm

2 stops17h 56m

$557

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 3/4

5:30 am-8:45 am

2 stops20h 15m

Dublin

Sun 3/8

9:45 am-8:17 pm

1 stop16h 32m

$562

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 10/8

6:25 am-7:10 am

2 stops17h 45m

Dublin

Fri 10/17

8:50 am-11:50 am

2 stops34h 00m

$581

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Thu 10/16

8:00 am-7:55 am

1 stop16h 55m

Dublin

Thu 10/23

10:00 am-9:40 pm

1 stop18h 40m

$630

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Thu 10/16

6:25 am-10:20 am

2 stops20h 55m

Dublin

Thu 10/23

8:50 am-9:25 pm

2 stops19h 35m

$631

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 10/8

8:00 am-7:55 am

1 stop16h 55m

Dublin

Fri 10/17

10:00 am-9:40 pm

1 stop18h 40m

$817

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 $923). 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 September 17, 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
1,386 reviews

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
United Airlines
7.4
Good
8,926 reviews
KLM
7.8
Good
1,386 reviews

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,386 reviews

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 $562, United Airlines can have you in Ireland from Missoula in 20h 15m. 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, 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 $923). 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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Alternative routes for Missoula to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 17, 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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