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Ireland

$236+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DUB
Mar 30 — Apr 61
Mon 3/30
Mon 4/6
1 adult, Economy
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Cheap 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 February 28, 2026.

This United Airlines deal was found by Cheapflights users on 2/23. 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 8/115:20 am
STL
-
DUB
2 stops20h 25m
United Airlines
Wed 8/199:20 am
DUB
-
STL
2 stops33h 00m
United Airlines
Deal found 2/23$460
This oojo deal was found by Cheapflights users on 2/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:35 pm
STL
-
DUB
1 stop11h 00m
British Airways
Mon 8/248:30 pm
DUB
-
STL
1 stop29h 00m
British Airways
Deal found 2/26$471
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Sun 8/163:05 pm
COU
-
DUB
1 stop12h 40m
United Airlines
Tue 9/19:50 am
DUB
-
COU
2 stops40h 40m
United Airlines
Deal found 2/27$479
This Mytrip deal was found by Cheapflights users on 2/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:30 pm
STL
-
DUB
1 stop19h 20m
Multiple Airlines
Wed 8/199:20 am
DUB
-
STL
1 stop16h 42m
Multiple Airlines
Deal found 2/26$482
This Air Canada deal was found by Cheapflights users on 2/25. 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.
Wed 8/1212:10 pm
STL
-
DUB
1 stop13h 35m
Air Canada
Wed 8/199:20 am
DUB
-
STL
2 stops33h 00m
Air Canada
Deal found 2/25$483
This United Airlines deal was found by Cheapflights users on 2/27. 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 8/178:00 am
COU
-
DUB
1 stop19h 45m
United Airlines
Wed 9/29:20 am
DUB
-
COU
2 stops31h 35m
United Airlines
Deal found 2/27$484
This KLM deal was found by Cheapflights users on 2/24. 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.
Wed 10/283:36 pm
MCI
-
DUB
1 stop11h 09m
KLM
Wed 11/49:45 am
DUB
-
MCI
1 stop13h 47m
KLM
Deal found 2/24$486
This Iberia deal was found by Cheapflights users on 2/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:42 am
STL
-
DUB
1 stop16h 33m
Iberia
Thu 11/51:00 pm
DUB
-
STL
1 stop15h 29m
Iberia
Deal found 2/24$486
This United Airlines deal was found by Cheapflights users on 2/24. 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 8/173:22 pm
MCI
-
DUB
2 stops13h 18m
United Airlines
Tue 9/19:50 am
DUB
-
MCI
2 stops13h 45m
United Airlines
Deal found 2/24$487
This Delta deal was found by Cheapflights users on 2/23. 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 8/165:40 am
MCI
-
DUB
1 stop21h 05m
Delta
Fri 8/288:55 am
DUB
-
MCI
2 stops19h 57m
Delta
Deal found 2/23$488
This United Airlines deal was found by Cheapflights users on 2/25. 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 8/115:20 am
STL
-
DUB
2 stops20h 25m
United Airlines
Thu 8/209:50 am
DUB
-
STL
1 stop14h 37m
United Airlines
Deal found 2/25$488
This KLM deal was found by Cheapflights users on 2/24. 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.
Mon 8/109:59 am
MCI
-
SNN
1 stop19h 11m
Multiple Airlines
Fri 8/211:05 pm
SNN
-
MCI
1 stop12h 08m
Multiple Airlines
Deal found 2/24$489

Find flight deals from Missouri to Ireland

Keep the following information in mind while searching for Missouri to Ireland flight deals. Data was last updated February 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$471
(oojo)

One-way from

$236
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$569
Provider with most accurate pricing for Lambert-St Louis-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Dublin flights.
Search Deals
From Missouri to Ireland
Search Deals
One-way flight from Missouri to Ireland
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($223 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 28, 2026.
Use the filters below to find and compare flights from Missouri to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ColumbiaDublin

COU - DUB

COUDUB

Columbia Regional

Mon 8/17

11:30 am-7:45 am

2 stops14h 15m

Dublin

Tue 9/1

9:50 am-8:30 pm

2 stops40h 40m

$483

ColumbiaDublin

COU - DUB

COUDUB

Columbia Regional

Mon 8/17

8:00 am-9:45 am

1 stop19h 45m

Dublin

Wed 9/2

9:20 am-10:55 am

2 stops31h 35m

$484

Kansas CityShannon

MCI - SNN

MCISNN

Kansas City

Mon 8/10

9:59 am-11:10 am

1 stop19h 11m

Shannon

Fri 8/21

1:05 pm-7:13 pm

1 stop12h 08m

$489

Kansas CityCork

MCI - ORK

MCIORK

Kansas City

Sat 8/15

6:37 pm-4:30 pm

2 stops39h 53m

Cork

Thu 8/27

5:05 pm-4:24 pm

2 stops29h 19m

$506

ColumbiaDublin

COU - DUB

COUDUB

Columbia Regional

Tue 8/18

3:05 pm-9:45 am

1 stop12h 40m

Dublin

Thu 9/3

11:35 am-5:45 pm

1 stop12h 10m

$511

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 4/7

8:30 am-7:20 am

1 stop16h 50m

Dublin

Thu 4/16

9:50 am-10:27 pm

2 stops42h 37m

$513

ColumbiaDublin

COU - DUB

COUDUB

Columbia Regional

Fri 8/21

8:00 am-9:45 am

1 stop19h 45m

Dublin

Tue 9/1

9:50 am-2:29 pm

2 stops34h 39m

$529

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Wed 4/22

12:40 pm-7:20 am

1 stop12h 40m

Dublin

Tue 4/28

9:50 am-10:27 am

2 stops30h 37m

$533

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Sun 4/19

8:00 am-7:30 am

2 stops17h 30m

Dublin

Tue 4/28

9:50 am-2:25 pm

2 stops34h 35m

$538

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Tue 3/24

1:25 pm-7:45 am

1 stop13h 20m

Dublin

Tue 4/14

11:00 am-11:50 pm

1 stop18h 50m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 58 resultsSorted by cheapest first
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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 $720). 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.

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 $540, United Airlines can have you in Ireland from Missouri in 13h 20m. 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 American Airlines ($269), Aer Lingus ($323), and Delta ($334).

  • 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 $720). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$412Average$603FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$418Average$672FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$430Average$718FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$455Average$673FlexibilityNo cancel feeOn-time67%
IberiaCheapest$466Average$664FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$468Average$771FlexibilityNo cancel feeOn-time69%
DeltaCheapest$483Average$764FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$483Average$849FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$533Average$855FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$684Average$981FlexibilityNo cancel feeOn-timeN/A

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