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$335+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DUB
dic. 20 — dic. 271
sáb. 12/20
sáb. 12/27
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 noviembre 20, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$431
(Cheapflightsfares)

One-way from

$335
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$600
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. 22% potential increase in price ($249 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 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 noviembre 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/212:45 pmMCI - DUB
1 stop15h 35mLufthansa
jue. 12/1110:40 amDUB - MCI
1 stop12h 45mLufthansa
Deal found 11/17$431
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/411:50 amSTL - DUB
1 stop13h 40mAustrian Airlines
lun. 12/89:30 amDUB - STL
1 stop20h 12mAustrian Airlines
Deal found 11/19$431
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:20 pmSGF - DUB
1 stop31h 50mLufthansa
jue. 1/2910:40 amDUB - SGF
1 stop17h 18mLufthansa
Deal found 11/19$432
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/26:27 pmMCI - DUB
1 stop31h 43mLufthansa
mar. 12/910:40 amDUB - MCI
1 stop12h 45mLufthansa
Deal found 11/19$432
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/51:00 pmSTL - DUB
1 stop13h 10mLufthansa
mié. 12/1010:40 amDUB - STL
1 stop12h 23mLufthansa
Deal found 11/19$432
This United Airlines deal was found by Cheapflights users on 11/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/212:45 pmMCI - DUB
2 stops15h 10mUnited Airlines
jue. 12/1110:40 amDUB - MCI
1 stop17h 18mUnited Airlines
Deal found 11/17$438
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/279:58 amMCI - DUB
1 stop16h 12mLufthansa
mié. 12/310:40 amDUB - MCI
1 stop12h 45mLufthansa
Deal found 11/19$441
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/265:11 pmMCI - DUB
1 stop10h 44mLufthansa
mié. 12/310:40 amDUB - MCI
1 stop17h 18mLufthansa
Deal found 11/20$442
This lastminute.com deal was found by Cheapflights users on 11/18. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/2311:36 amMCI - DUB
2 stops13h 34mAir Canada
sáb. 12/69:00 amDUB - MCI
2 stops17h 47mAir Canada
Deal found 11/18$447
This Justfly.com deal was found by Cheapflights users on 11/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/29:02 amMCI - DUB
2 stops16h 08mAir Canada
mié. 12/109:00 amDUB - MCI
2 stops37h 05mAir Canada
Deal found 11/19$452
This United Airlines deal was found by Cheapflights users on 11/19. 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.
mar. 12/23:25 pmMCI - DUB
1 stop10h 45mUnited Airlines
mié. 12/109:00 amDUB - MCI
2 stops43h 30mUnited Airlines
Deal found 11/19$455
This United Airlines deal was found by Cheapflights users on 11/19. 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.
jue. 12/48:00 amSTL - DUB
1 stop18h 10mUnited Airlines
lun. 12/89:00 amDUB - STL
2 stops37h 28mUnited Airlines
Deal found 11/19$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 noviembre 20, 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

mar. 12/2

3:25 pm-10:20 am

2 stops12h 55m

Dublin

jue. 12/11

10:40 am-10:30 pm

2 stops17h 50m

$438

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

mar. 12/2

3:25 pm-8:10 am

1 stop10h 45m

Dublin

mié. 12/10

9:00 am-10:30 pm

2 stops43h 30m

$455

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

jue. 1/22

9:57 am-8:10 am

1 stop16h 13m

Dublin

lun. 1/26

9:00 am-10:00 pm

2 stops43h 00m

$455

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

vie. 12/5

1:00 pm-8:10 am

1 stop13h 10m

Dublin

mié. 12/10

9:00 am-9:58 pm

2 stops42h 58m

$455

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

jue. 12/4

8:00 am-8:10 am

1 stop18h 10m

Dublin

lun. 12/8

9:00 am-4:28 pm

2 stops37h 28m

$455

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

vie. 1/30

11:29 am-8:10 am

1 stop14h 41m

Dublin

mar. 2/3

10:40 am-5:41 pm

1 stop13h 01m

$458

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

jue. 12/4

1:00 pm-10:20 am

2 stops15h 20m

Dublin

mié. 12/10

9:00 am-9:58 pm

2 stops42h 58m

$460

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

mié. 2/4

5:49 pm-5:00 pm

2 stops17h 11m

Dublin

lun. 2/9

10:45 am-10:39 pm

2 stops17h 54m

$462

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

vie. 1/30

8:05 am-8:45 am

2 stops18h 40m

Dublin

mar. 2/3

10:45 am-7:19 pm

1 stop14h 34m

$463

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

jue. 1/8

9:57 am-8:10 am

1 stop16h 13m

Dublin

mié. 1/21

9:00 am-11:59 pm

2 stops20h 59m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 45 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 noviembre 20, 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 $438, United Airlines can have you in Ireland from Missouri in 12h 55m. There are 4046 mi between Missouri and Ireland. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Missouri to Ireland one-way?

    The cheapest airlines for a one-way flight from Missouri to Ireland are Lufthansa ($381), Austrian Airlines ($392), and United Airlines ($399).

  • 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 noviembre 20, 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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