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Ireland

$329+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DUB
May 2 — May 91
Sat 5/2
Sat 5/9
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 April 2, 2026.

This Gotogate deal was found by Cheapflights users on 4/1. 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.
Mon 8/1712:10 pm
STL
-
DUB
1 stop13h 35m
Multiple Airlines
Wed 8/265:55 am
DUB
-
STL
1 stop13h 30m
Multiple Airlines
Deal found 4/1$673
This United Airlines deal was found by Cheapflights users on 3/31. 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 8/115:10 am
STL
-
DUB
2 stops20h 35m
United Airlines
Thu 8/209:50 am
DUB
-
STL
2 stops32h 59m
United Airlines
Deal found 3/31$674
This United Airlines deal was found by Cheapflights users on 3/31. 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 8/1712:00 pm
MCI
-
DUB
1 stop16h 40m
United Airlines
Tue 9/19:50 am
DUB
-
MCI
2 stops30h 31m
United Airlines
Deal found 3/31$679
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Sun 9/66:55 pm
STL
-
DUB
2 stops30h 50m
Air Canada
Tue 9/159:20 am
DUB
-
STL
2 stops32h 53m
Air Canada
Deal found 3/31$682
This United Airlines deal was found by Cheapflights users on 4/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/164:50 pm
MCI
-
DUB
1 stop10h 55m
United Airlines
Thu 8/279:20 am
DUB
-
MCI
2 stops31h 01m
United Airlines
Deal found 4/2$683
This United Airlines deal was found by Cheapflights users on 4/1. 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 7/229:23 am
STL
-
DUB
1 stop18h 22m
United Airlines
Wed 8/199:20 am
DUB
-
STL
2 stops38h 29m
United Airlines
Deal found 4/1$683
This United Airlines deal was found by Cheapflights users on 3/28. 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 8/164:50 pm
MCI
-
DUB
1 stop10h 55m
United Airlines
Fri 8/289:20 am
DUB
-
MCI
2 stops35h 44m
United Airlines
Deal found 3/28$684
This Gotogate deal was found by Cheapflights users on 4/1. 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.
Mon 8/178:55 am
STL
-
DUB
2 stops16h 50m
Multiple Airlines
Tue 8/256:00 am
DUB
-
STL
1 stop13h 25m
Multiple Airlines
Deal found 4/1$686
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Mon 11/161:45 pm
MCI
-
DUB
2 stops35h 25m
Air Canada
Fri 11/209:00 am
DUB
-
MCI
2 stops37h 24m
Air Canada
Deal found 3/30$688
This United Airlines deal was found by Cheapflights users on 3/31. 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 9/55:45 pm
MCI
-
DUB
1 stop31h 35m
United Airlines
Fri 9/119:20 am
DUB
-
MCI
2 stops31h 01m
United Airlines
Deal found 3/31$690
This Air Canada deal was found by Cheapflights users on 3/31. 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 9/82:40 pm
STL
-
DUB
2 stops35h 05m
Air Canada
Thu 9/179:50 am
DUB
-
STL
2 stops35h 48m
Air Canada
Deal found 3/31$690
This Justfly.com deal was found by Cheapflights users on 3/30. 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.
Tue 8/112:40 pm
STL
-
DUB
2 stops35h 05m
Air Canada
Wed 8/199:20 am
DUB
-
STL
2 stops32h 53m
Air Canada
Deal found 3/30$691

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 April 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$673
(Gotogate)

One-way from

$329
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$721
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 ($211 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 2, 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

Cheapest round-trip

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Mon 8/17

6:00 am-9:45 am

1 stop21h 45m

Dublin

Tue 9/1

9:50 am-10:21 am

2 stops30h 31m

$679

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 8/11

5:10 am-7:45 am

2 stops20h 35m

Dublin

Wed 8/19

9:20 am-8:07 pm

1 stop16h 47m

$692

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Sun 9/6

4:50 pm-9:45 am

1 stop10h 55m

Dublin

Tue 9/15

9:20 am-9:40 pm

2 stops18h 20m

$702

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Mon 8/17

5:45 pm-10:40 am

1 stop10h 55m

Dublin

Fri 8/28

9:20 am-7:17 pm

2 stops15h 57m

$707

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

$708

SpringfieldDublin

SGF - DUB

SGFDUB

Springfield-Branson

Mon 8/17

3:10 pm-9:45 am

1 stop12h 35m

Dublin

Fri 8/21

9:20 am-6:00 pm

2 stops14h 40m

$708

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Tue 9/1

8:30 pm-7:30 am

1 stop29h 00m

Shannon

Fri 9/4

9:30 am-8:37 am

1 stop29h 07m

$709

Kansas CityShannon

MCI - SNN

MCISNN

Kansas City

Mon 8/17

9:50 am-7:30 am

1 stop15h 40m

Shannon

Wed 8/19

9:30 am-12:48 am

1 stop21h 18m

$709

SpringfieldShannon

SGF - SNN

SGFSNN

Springfield-Branson

Mon 8/17

6:00 am-7:30 am

1 stop19h 30m

Shannon

Thu 8/20

9:30 am-9:58 pm

1 stop18h 28m

$709

ColumbiaShannon

COU - SNN

COUSNN

Columbia Regional

Mon 8/17

3:05 pm-7:30 am

1 stop10h 25m

Shannon

Thu 8/20

9:30 am-10:55 am

1 stop31h 25m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 54 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 $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 $767, United Airlines can have you in Ireland from Missouri in 14h 41m. There are 3862 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 ($314), and United Airlines ($318).

  • 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

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 April 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$412Average$645FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$418Average$681FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$424Average$630FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$456Average$730FlexibilityNo cancel feeOn-time67%
IberiaCheapest$466Average$657FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$468Average$770FlexibilityNo cancel feeOn-time69%
DeltaCheapest$481Average$758FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$483Average$801FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$533Average$894FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$684Average$942FlexibilityNo cancel feeOn-timeN/A

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