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$785+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — DUB
Aug 9 — Aug 161
Sun 8/9
Sun 8/16
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 July 10, 2026.

This United Airlines deal was found by Cheapflights users on 7/5. 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.
Sat 9/59:15 am
MSO
-
DUB
2 stops39h 30m
United Airlines
Wed 9/169:20 am
DUB
-
MSO
2 stops43h 11m
United Airlines
Deal found 7/5$785
This United Airlines deal was found by Cheapflights users on 7/7. 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 8/1012:34 pm
MSO
-
DUB
1 stop14h 11m
United Airlines
Tue 8/259:20 am
DUB
-
MSO
2 stops19h 11m
United Airlines
Deal found 7/7$797
This Delta deal was found by Cheapflights users on 7/7. 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.
Mon 8/106:00 am
MSO
-
DUB
1 stop18h 55m
Delta
Tue 8/2512:00 pm
DUB
-
MSO
1 stop18h 47m
Delta
Deal found 7/7$809
This United Airlines deal was found by Cheapflights users on 7/6. 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 8/116:15 am
MSO
-
DUB
2 stops20h 30m
United Airlines
Sat 8/229:50 am
DUB
-
MSO
2 stops42h 41m
United Airlines
Deal found 7/6$832
This United Airlines deal was found by Cheapflights users on 7/8. 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 9/15:24 pm
MSO
-
DUB
2 stops31h 06m
United Airlines
Fri 9/259:20 am
DUB
-
MSO
2 stops33h 04m
United Airlines
Deal found 7/8$834
This Ovago deal was found by Cheapflights users on 7/7. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:21 pm
MSO
-
DUB
1 stop14h 24m
Brussels Airlines
Tue 10/2011:35 am
DUB
-
MSO
2 stops16h 57m
Brussels Airlines
Deal found 7/7$835
This Ovago deal was found by Cheapflights users on 7/7. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:21 pm
MSO
-
DUB
1 stop14h 24m
Multiple Airlines
Tue 10/2011:35 am
DUB
-
MSO
1 stop30h 49m
Multiple Airlines
Deal found 7/7$836
This Gurufare deal was found by Cheapflights users on 7/6. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:15 am
MSO
-
DUB
2 stops18h 15m
Brussels Airlines
Thu 10/811:35 am
DUB
-
MSO
1 stop30h 49m
Brussels Airlines
Deal found 7/6$841
This United Airlines deal was found by Cheapflights users on 7/8. 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 8/315:24 pm
MSO
-
DUB
2 stops31h 51m
United Airlines
Fri 9/259:20 am
DUB
-
MSO
2 stops33h 04m
United Airlines
Deal found 7/8$843

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 July 10, 2026.

Round-trip from

$785
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$756
From Missoula Johnson-Bell Field to Ireland
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($183 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 10, 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

Sat 9/5

9:15 am-7:45 am

2 stops39h 30m

Dublin

Wed 9/16

9:20 am-9:31 pm

2 stops43h 11m

$785

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Mon 8/10

6:00 am-10:00 am

2 stops21h 00m

Dublin

Tue 8/25

5:55 am-11:47 pm

2 stops24h 52m

$797

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Mon 8/10

12:34 pm-9:45 am

1 stop14h 11m

Dublin

Tue 8/25

9:20 am-9:31 pm

2 stops19h 11m

$797

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Tue 8/11

6:15 am-9:45 am

2 stops20h 30m

Dublin

Sat 8/22

9:50 am-9:31 pm

2 stops42h 41m

$832
Quickest round-trip

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Tue 10/13

12:21 pm-9:45 am

1 stop14h 24m

Dublin

Tue 10/20

11:35 am-9:32 pm

2 stops16h 57m

$835

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Sat 9/5

6:00 am-7:55 am

1 stop18h 55m

Dublin

Wed 9/16

11:10 am-11:35 pm

2 stops19h 25m

$855

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/5

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 July 10, 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
7.8
Good
8,458 reviews

Crew

8.5

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.8

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
7.8
Good
8,458 reviews
Delta
7.8
Good
8,458 reviews

Crew

8.5

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.8

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
9,967 reviews
Delta
7.8
Good
8,458 reviews

Crew

8.5

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.8

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 $797, United Airlines can have you in Ireland from Missoula in 21h. 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

Browse thousands of different options on Cheapflights for your next trip

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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 July 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$484Average$755FlexibilityNo cancel feeOn-time69%
DeltaCheapest$487Average$798FlexibilityNo cancel feeOn-timeN/A

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