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Ireland

$304+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DUB
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$504
(United Airlines)

One-way from

$304
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$923
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. 24% potential increase in price ($279 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:45 pmMCI - DUB
1 stop10h 35mUnited Airlines
Wed 12/109:00 amDUB - MCI
2 stops35h 21mUnited Airlines
Deal found 8/20$504
This Air Canada deal was found by Cheapflights users on 8/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/49:58 amMCI - DUB
2 stops15h 12mAir Canada
Wed 11/199:00 amDUB - MCI
2 stops35h 21mAir Canada
Deal found 8/18$511
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/214:05 pmSTL - DUB
1 stop10h 10mMultiple Airlines
Wed 11/55:10 amDUB - STL
1 stop14h 45mMultiple Airlines
Deal found 8/18$525
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Tue 11/45:30 pmMCI - DUB
1 stop10h 50mUnited Airlines
Wed 11/199:00 amDUB - MCI
2 stops18h 50mUnited Airlines
Deal found 8/19$527
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:21 pmMCI - DUB
1 stop12h 19mIberia
Wed 12/1011:30 amDUB - MCI
1 stop15h 21mIberia
Deal found 8/19$531
This Air Canada deal was found by Cheapflights users on 8/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:00 amMCI - DUB
2 stops19h 10mAir Canada
Wed 12/109:00 amDUB - MCI
2 stops18h 58mAir Canada
Deal found 8/19$534
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 11/199:05 amMCI - DUB
2 stops16h 25mUnited Airlines
Tue 11/2512:05 pmDUB - MCI
2 stops15h 45mUnited Airlines
Deal found 8/19$537
This Ovago deal was found by Cheapflights users on 8/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/232:31 pmMCI - DUB
2 stops13h 19mBritish Airways
Tue 12/28:40 pmDUB - MCI
2 stops29h 37mBritish Airways
Deal found 8/18$542
This American Airlines deal was found by Cheapflights users on 8/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:27 pmMCI - SNN
2 stops17h 03mAmerican Airlines
Wed 12/107:50 amSNN - MCI
2 stops19h 58mAmerican Airlines
Deal found 8/18$548
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:33 pmMCI - ORK
2 stops14h 52mAmerican Airlines
Wed 12/107:40 amORK - MCI
2 stops20h 29mAmerican Airlines
Deal found 8/19$549
This Booking.com deal was found by Cheapflights users on 8/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/238:00 amMCI - DUB
2 stops17h 10mMultiple Airlines
Tue 12/29:10 amDUB - MCI
2 stops42h 48mMultiple Airlines
Deal found 8/19$550
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 12/38:00 amCOU - DUB
1 stop18h 10mUnited Airlines
Sun 12/79:00 amDUB - COU
2 stops35h 26mUnited Airlines
Deal found 8/19$554

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 August 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

Tue 11/4

12:45 pm-10:20 am

1 stop15h 35m

Dublin

Wed 11/19

9:00 am-10:40 am

2 stops31h 40m

$504

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Tue 11/4

9:58 am-7:10 am

2 stops15h 12m

Dublin

Wed 11/19

9:00 am-2:21 pm

2 stops35h 21m

$511

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 10/21

4:05 pm-8:15 am

1 stop10h 10m

Dublin

Wed 11/5

5:10 am-1:55 pm

1 stop14h 45m

$525

Kansas CityShannon

MCI - SNN

MCISNN

Kansas City

Wed 12/3

12:27 pm-11:30 am

2 stops17h 03m

Shannon

Wed 12/10

7:50 am-9:48 pm

2 stops19h 58m

$548

Kansas CityCork

MCI - ORK

MCIORK

Kansas City

Wed 12/3

2:05 pm-11:10 am

2 stops15h 05m

Cork

Wed 12/10

7:40 am-10:09 pm

2 stops20h 29m

$549

ColumbiaDublin

COU - DUB

COUDUB

Columbia Regional

Wed 12/3

3:05 pm-8:10 am

1 stop11h 05m

Dublin

Sun 12/7

9:00 am-2:26 pm

2 stops35h 26m

$554

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Fri 11/7

5:00 pm-9:55 am

1 stop10h 55m

Dublin

Wed 11/12

9:00 am-4:02 pm

2 stops37h 02m

$554

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Mon 10/20

7:30 am-9:45 am

1 stop20h 15m

Dublin

Mon 11/3

9:00 am-2:21 pm

2 stops35h 21m

$554

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Tue 11/4

12:45 pm-10:20 am

1 stop15h 35m

Dublin

Sun 11/16

9:00 am-10:28 pm

2 stops43h 28m

$554

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 11/5

8:20 am-7:30 am

2 stops17h 10m

Dublin

Sun 11/9

9:00 am-3:29 pm

1 stop12h 29m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 51 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, November is the cheapest month in which you can book a flight from Missouri to Ireland (average of $509). Flying from Missouri to Ireland in June is currently the most expensive (average of $925). 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 August 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Ireland as you normally would.

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 $511, United Airlines can have you in Ireland from Missouri in 15h 12m. 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 Air Canada ($408), Aer Lingus ($486), and United Airlines ($562).

  • 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, November is the cheapest month in which you can book a flight from Missouri to Ireland (average of $509). Flying from Missouri to Ireland in June is currently the most expensive (average of $925). 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

Browse thousands of different options on Cheapflights for your next trip

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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$383Average$719FlexibilityNo cancel feeOn-time70%
KLMCheapest$412Average$618FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$462Average$827FlexibilityNo cancel feeOn-time67%
IberiaCheapest$482Average$776FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$490Average$879FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$518Average$955FlexibilityNo cancel feeOn-time71%
DeltaCheapest$518Average$926FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$570Average$987FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$597Average$781FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$604Average$838FlexibilityNo cancel feeOn-time76%

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