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$587+ Cheap flights from Missoula (MSO) 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — DUB
Jun 16 — Jun 231
Tue 6/16
Tue 6/23
1 adult, Economy
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Cheap 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 May 17, 2026.

This United Airlines deal was found by Cheapflights users on 5/13. 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 8/111:50 pm
MSO
-
DUB
1 stop12h 55m
United Airlines
Sat 8/229:50 am
DUB
-
MSO
2 stops42h 41m
United Airlines
Deal found 5/13$815
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:24 pm
MSO
-
DUB
2 stops30h 56m
United Airlines
Sun 9/139:20 am
DUB
-
MSO
2 stops43h 11m
United Airlines
Deal found 5/14$827
This Delta deal was found by Cheapflights users on 5/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:30 am
MSO
-
DUB
2 stops26h 55m
Delta
Sat 8/2212:00 pm
DUB
-
MSO
1 stop18h 52m
Delta
Deal found 5/14$852
This American Airlines deal was found by Cheapflights users on 5/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:25 pm
MSO
-
DUB
1 stop13h 20m
American Airlines
Sat 8/2212:40 pm
DUB
-
MSO
1 stop30h 55m
American Airlines
Deal found 5/14$854
This Delta deal was found by Cheapflights users on 5/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:55 am
MSO
-
DUB
1 stop19h 00m
Delta
Tue 7/2112:00 pm
DUB
-
MSO
1 stop18h 44m
Delta
Deal found 5/17$904
This KLM deal was found by Cheapflights users on 5/15. 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.
Sat 7/43:29 pm
MSO
-
DUB
1 stop33h 26m
KLM
Tue 7/1412:00 pm
DUB
-
MSO
1 stop18h 44m
KLM
Deal found 5/15$949

Find flight deals from Missoula to Ireland

Keep the following information in mind while searching for Missoula to Ireland flight deals. Data was last updated May 17, 2026.

Round-trip from

$815
(United Airlines)

One-way from

$587
(KAYAK)

Popular in

June

Cheapest in

February

Average price

$924
From Missoula Johnson-Bell Field to Ireland
Search Deals
One-way flight from Missoula Johnson-Bell Field to Ireland
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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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 May 17, 2026.
Use the filters below to find and compare flights from Missoula to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Tue 8/11

1:50 pm-9:45 am

1 stop12h 55m

Dublin

Sat 8/22

9:50 am-9:31 pm

2 stops42h 41m

$815

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Thu 9/3

2:40 pm-8:15 am

2 stops34h 35m

Dublin

Sun 9/13

9:20 am-9:26 pm

2 stops43h 06m

$837

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Tue 8/11

5:30 am-3:25 pm

2 stops26h 55m

Dublin

Sat 8/22

12:00 pm-11:52 pm

1 stop18h 52m

$852

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Sun 7/5

5:31 am-7:55 am

2 stops19h 24m

Dublin

Tue 7/21

12:00 pm-12:28 am

2 stops19h 28m

$908

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Sat 7/4

3:29 pm-7:55 am

1 stop33h 26m

Dublin

Tue 7/14

12:00 pm-11:44 pm

1 stop18h 44m

$949

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Thu 9/3

5:45 am-7:55 am

1 stop19h 10m

Dublin

Sun 9/13

5:55 am-11:47 pm

2 stops24h 52m

$962
Quickest round-trip

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Sat 7/4

12:34 pm-9:45 am

1 stop14h 11m

Dublin

Tue 7/14

9:20 am-11:56 pm

2 stops21h 36m

$998
Cheapest one-way
Quickest one-way

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Sun 7/26

6:05 am-9:45 am

2 stops20h 40m

$608

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Sun 7/26

6:26 am-7:20 am

3 stops41h 54m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Sorted by cheapest first

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
No data available for this route at this time. Please check back soon.

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 May 17, 2026.
Peruse reviews from past customers who have flown with Delta and United 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.
Delta
7.9
Good
8,447 reviews

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,447 reviews
Delta
7.9
Good
8,447 reviews

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,737 reviews
Delta
7.9
Good
8,447 reviews

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 $815, United Airlines can have you in Ireland from Missoula in 12h 55m. 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.

See more FAQs

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Top 2 airlines flying from Missoula to Ireland

Discover the top 2 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 May 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$484Average$755FlexibilityNo cancel feeOn-time69%
DeltaCheapest$487Average$814FlexibilityNo cancel feeOn-timeN/A

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