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$269+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DUB
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
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 17, 2026.

This United Airlines deal was found by Cheapflights users on 2/14. 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 4/226:30 am
STL
-
DUB
1 stop21h 15m
United Airlines
Wed 5/139:20 am
DUB
-
STL
1 stop32h 46m
United Airlines
Deal found 2/14$460
This United Airlines deal was found by Cheapflights users on 2/15. 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 4/218:30 am
STL
-
DUB
1 stop16h 50m
United Airlines
Tue 4/289:50 am
DUB
-
STL
2 stops42h 38m
United Airlines
Deal found 2/15$464
This Gotogate deal was found by Cheapflights users on 2/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:40 pm
STL
-
DUB
1 stop11h 35m
Multiple Airlines
Tue 8/255:55 am
DUB
-
STL
1 stop13h 30m
Multiple Airlines
Deal found 2/13$465
This American Airlines deal was found by Cheapflights users on 2/16. 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.
Thu 2/194:29 pm
SGF
-
DUB
2 stops15h 41m
American Airlines
Wed 3/411:30 am
DUB
-
SGF
2 stops17h 04m
American Airlines
Deal found 2/16$467
This United Airlines deal was found by Cheapflights users on 2/13. 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
Tue 8/259:50 am
DUB
-
STL
1 stop14h 42m
United Airlines
Deal found 2/13$468
This United Airlines deal was found by Cheapflights users on 2/15. 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 2/211:11 pm
STL
-
DUB
1 stop12h 59m
United Airlines
Sun 3/19:00 am
DUB
-
STL
1 stop12h 29m
United Airlines
Deal found 2/15$471
This oojo deal was found by Cheapflights users on 2/16. 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.
Tue 4/148:03 pm
STL
-
DUB
2 stops16h 47m
British Airways
Wed 4/228:35 am
DUB
-
STL
1 stop16h 55m
British Airways
Deal found 2/16$472
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Thu 2/197:55 am
SGF
-
DUB
1 stop18h 15m
United Airlines
Wed 3/49:00 am
DUB
-
SGF
2 stops31h 46m
United Airlines
Deal found 2/16$473
This United Airlines deal was found by Cheapflights users on 2/15. 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
1 stop10h 42m
United Airlines
Deal found 2/15$473
This United Airlines deal was found by Cheapflights users on 2/16. 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 11/231:27 pm
STL
-
DUB
1 stop12h 43m
United Airlines
Wed 11/259:00 am
DUB
-
STL
1 stop12h 30m
United Airlines
Deal found 2/16$474
This oojo deal was found by Cheapflights users on 2/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:13 am
MCI
-
DUB
2 stops18h 27m
British Airways
Tue 9/18:35 am
DUB
-
MCI
2 stops19h 20m
British Airways
Deal found 2/17$475
This British Airways deal was found by Cheapflights users on 2/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:40 pm
STL
-
DUB
1 stop12h 40m
British Airways
Mon 8/248:30 pm
DUB
-
STL
1 stop29h 00m
British Airways
Deal found 2/13$477

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 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$460
(United Airlines)

One-way from

$269
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$587
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. 22% potential increase in price ($220 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($44 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 17, 2026.
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

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 4/21

6:30 am-9:45 am

1 stop21h 15m

Dublin

Tue 4/28

9:50 am-10:28 pm

2 stops42h 38m

$464

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Thu 2/26

11:25 am-8:10 am

1 stop14h 45m

Dublin

Mon 3/2

9:00 am-3:29 pm

1 stop12h 29m

$471

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 2/21

1:11 pm-8:10 am

1 stop12h 59m

Dublin

Sun 3/1

9:00 am-3:29 pm

1 stop12h 29m

$471

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Tue 3/10

12:17 pm-7:45 am

1 stop14h 28m

Dublin

Tue 3/17

9:45 am-7:56 pm

1 stop15h 11m

$485

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Wed 3/4

8:05 am-7:45 am

1 stop17h 40m

Dublin

Sun 3/8

9:45 am-11:03 pm

1 stop18h 18m

$485

ColumbiaDublin

COU - DUB

COUDUB

Columbia Regional

Wed 3/4

3:10 pm-8:10 am

1 stop11h 00m

Dublin

Sun 3/8

10:40 am-9:33 pm

1 stop15h 53m

$485

ColumbiaDublin

COU - DUB

COUDUB

Columbia Regional

Wed 3/18

11:15 am-8:10 am

1 stop15h 55m

Dublin

Mon 3/23

10:40 am-10:33 am

1 stop28h 53m

$485

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Wed 3/4

5:30 pm-10:20 am

1 stop10h 50m

Dublin

Sun 3/8

10:40 am-9:59 pm

1 stop16h 19m

$485

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Wed 3/4

5:30 pm-10:20 am

1 stop10h 50m

Dublin

Wed 3/11

12:05 pm-8:41 pm

1 stop13h 36m

$485

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Mon 3/2

3:22 pm-8:10 am

1 stop10h 48m

Dublin

Thu 3/12

12:05 pm-8:41 pm

1 stop13h 36m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 57 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.

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 $485, United Airlines can have you in Ireland from Missouri in 14h 28m. 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 $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 February 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$412Average$599FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$418Average$676FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$430Average$718FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$455Average$674FlexibilityNo cancel feeOn-time67%
IberiaCheapest$466Average$682FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$468Average$767FlexibilityNo cancel feeOn-time69%
DeltaCheapest$483Average$766FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$483Average$839FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$533Average$855FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$662Average$969FlexibilityNo cancel feeOn-timeN/A

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