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Ireland

$277+ Cheap flights from Missouri 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DUB
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Cheap flight deals from Missouri to Ireland

Keep the following information in mind while searching for Missouri to Ireland flight deals. Data was last updated November 5, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$424
(KLM)

One-way from

$277
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$563
Provider with most accurate pricing for Lambert-St Louis-Dublin flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Dublin flights.
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From Missouri to Ireland
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One-way flight from Missouri to Ireland
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Highest demand for flights based on searches. 23% potential increase in price ($261 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Missouri to Ireland

Cheapest flights from Missouri to Ireland
Explore the most affordable flight options available from Missouri to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

This KLM deal was found by Cheapflights users on 11/5. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:12 pmMCI - DUB
1 stop32h 33mKLM
Tue 11/259:45 amDUB - MCI
1 stop14h 34mKLM
Deal found 11/5$424
This KLM deal was found by Cheapflights users on 11/5. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/94:30 pmSTL - DUB
1 stop10h 15mMultiple Airlines
Tue 11/2510:45 amDUB - STL
1 stop11h 48mMultiple Airlines
Deal found 11/5$424
This KLM deal was found by Cheapflights users on 11/4. 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.
Tue 12/210:45 amMCI - DUB
1 stop15h 00mKLM
Wed 12/109:45 amDUB - MCI
1 stop18h 39mKLM
Deal found 11/4$433
This KLM deal was found by Cheapflights users on 11/4. 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.
Tue 12/29:00 amSTL - DUB
1 stop16h 45mKLM
Tue 12/99:45 amDUB - STL
1 stop13h 04mKLM
Deal found 11/4$433
This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:00 amSGF - DUB
2 stops19h 45mDelta
Thu 12/49:45 amDUB - SGF
2 stops31h 05mDelta
Deal found 11/5$438
This Delta deal was found by Cheapflights users on 11/4. 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 12/29:00 amSTL - DUB
1 stop16h 45mDelta
Tue 12/910:45 amDUB - STL
2 stops16h 02mDelta
Deal found 11/4$438
This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/91:35 pmSTL - DUB
2 stops13h 45mDelta
Tue 11/255:55 amDUB - STL
2 stops16h 12mDelta
Deal found 11/5$443
This KLM deal was found by Cheapflights users on 11/2. 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 11/134:30 pmSTL - DUB
1 stop10h 15mMultiple Airlines
Thu 11/2010:45 amDUB - STL
1 stop11h 48mMultiple Airlines
Deal found 11/2$448
This Delta deal was found by Cheapflights users on 11/4. 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 11/305:50 amMCI - DUB
1 stop19h 55mDelta
Fri 12/126:00 amDUB - MCI
2 stops21h 13mDelta
Deal found 11/4$452
This KLM deal was found by Cheapflights users on 11/3. 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.
Tue 12/29:00 amSTL - DUB
1 stop16h 45mMultiple Airlines
Thu 12/116:00 amDUB - STL
2 stops17h 10mMultiple Airlines
Deal found 11/3$452
This Delta deal was found by Cheapflights users on 11/4. 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 11/45:51 pmMCI - DUB
2 stops15h 54mDelta
Wed 11/1911:30 amDUB - MCI
1 stop12h 37mDelta
Deal found 11/4$453
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/33:05 pmCOU - DUB
1 stop11h 05mUnited Airlines
Sun 12/79:00 amDUB - COU
2 stops35h 26mUnited Airlines
Deal found 11/4$455

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri 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 5, 2025.
Use the filters below to find and compare flights from Missouri to Ireland that are best for you.

Fly from

Missouri

Fly to

Ireland

Route

Depart

Return

Price

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Sun 11/9

8:05 am-7:45 am

1 stop17h 40m

Dublin

Tue 11/25

9:45 am-11:06 pm

1 stop19h 21m

$424

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 11/9

4:30 pm-8:45 am

1 stop10h 15m

Dublin

Tue 11/25

10:45 am-4:33 pm

1 stop11h 48m

$424

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 11/9

4:30 pm-8:45 am

1 stop10h 15m

Dublin

Tue 11/25

10:45 am-4:33 pm

1 stop11h 48m

$424

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Tue 12/2

3:33 pm-7:45 am

1 stop10h 12m

Dublin

Wed 12/10

9:45 am-11:47 pm

1 stop20h 02m

$433

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Tue 11/25

10:37 am-7:45 am

1 stop15h 08m

Dublin

Tue 12/9

10:45 am-4:50 pm

1 stop12h 05m

$433

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 11/9

4:30 pm-8:45 am

1 stop10h 15m

Dublin

Tue 11/25

9:45 am-4:49 pm

1 stop13h 04m

$433

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Tue 11/25

9:59 am-9:20 am

1 stop17h 21m

Dublin

Thu 12/4

9:45 am-11:10 pm

1 stop19h 25m

$433

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 12/2

9:00 am-7:45 am

1 stop16h 45m

Dublin

Tue 12/9

9:45 am-4:49 pm

1 stop13h 04m

$433

SpringfieldDublin

SGF - DUB

SGFDUB

Springfield-Branson

Tue 11/25

6:00 am-7:45 am

2 stops19h 45m

Dublin

Thu 12/4

9:45 am-10:50 am

2 stops31h 05m

$438

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Tue 12/2

6:29 am-7:45 am

2 stops19h 16m

Dublin

Wed 12/10

10:45 am-9:13 pm

2 stops16h 28m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 48 results
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Best time to book a flight from Missouri to Ireland

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

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

Currently, October is the cheapest month in which you can book a flight from Missouri to Ireland (average of $397). Flying from Missouri to Ireland in June is currently the most expensive (average of $718). 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.

What is the cheapest time of day to fly from MO to IE?

Find hourly flight availability from Missouri to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 5, 2025.

It’s optimal to fly from Missouri to Ireland in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at noon.

Related info for your journey

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

  • How long is the flight from Missouri to Ireland?

    For as low as $433, Delta can have you in Ireland from Missouri in 10h 12m. There are 4046 mi between Missouri and Ireland. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Missouri to Ireland (average of $397). Flying from Missouri to Ireland in June is currently the most expensive (average of $718). 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 Missouri to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Missouri to Ireland

Discover the top 10 airlines that operate flights from Missouri 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 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$412Average$601FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$455Average$825FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$463Average$718FlexibilityNo cancel feeOn-time70%
IberiaCheapest$482Average$778FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$501Average$854FlexibilityNo cancel feeOn-time69%
DeltaCheapest$502Average$854FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$526Average$837FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$533Average$894FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$551Average$952FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$677Average$781FlexibilityNo cancel feeOn-time77%

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