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$205+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DUB
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
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 enero 8, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$370
(Ticket)

One-way from

$205
(oojo)

Popular in

June

Cheapest in

November

Average price

$639
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. 24% potential increase in price ($260 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 enero 8, 2026.

This Ticket deal was found by Cheapflights users on 1/8. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/196:40 pmSTL - DUB
2 stops30h 30mAir Canada
mié. 2/49:00 amDUB - STL
1 stop12h 15mAir Canada
Deal found 1/8$370
This KAYAK deal was found by Cheapflights users on 1/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/2210:00 pmSTL - DUB
1 stop15h 35mBritish Airways
jue. 4/305:30 pmDUB - STL
1 stop32h 00mBritish Airways
Deal found 1/6$401
This KAYAK deal was found by Cheapflights users on 1/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/141:29 pmSTL - DUB
2 stops14h 46mBritish Airways
mié. 4/228:40 amDUB - STL
1 stop16h 50mBritish Airways
Deal found 1/8$406
This United Airlines deal was found by Cheapflights users on 1/8. 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. 2/310:00 amMCI - DUB
1 stop16h 10mUnited Airlines
vie. 2/139:00 amDUB - MCI
2 stops35h 02mUnited Airlines
Deal found 1/8$408
This Ticket deal was found by Cheapflights users on 1/8. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/191:35 pmSTL - DUB
2 stops15h 40mBritish Airways
mié. 2/410:00 amDUB - STL
2 stops16h 13mBritish Airways
Deal found 1/8$408
This KAYAK deal was found by Cheapflights users on 1/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/45:15 pmMCI - DUB
2 stops17h 20mBritish Airways
mié. 3/118:45 amDUB - MCI
2 stops20h 26mBritish Airways
Deal found 1/7$410
This KAYAK deal was found by Cheapflights users on 1/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/12:00 pmSTL - DUB
2 stops15h 15mBritish Airways
mar. 3/1010:55 amDUB - STL
2 stops15h 16mBritish Airways
Deal found 1/6$411
This KAYAK deal was found by Cheapflights users on 1/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/251:18 pmMCI - DUB
2 stops14h 57mBritish Airways
mar. 3/1010:55 amDUB - MCI
2 stops17h 59mBritish Airways
Deal found 1/7$412
This KAYAK deal was found by Cheapflights users on 1/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/21:35 pmSTL - DUB
2 stops15h 40mBritish Airways
lun. 2/96:30 pmDUB - STL
2 stops30h 04mBritish Airways
Deal found 1/6$412
This Ovago deal was found by Cheapflights users on 1/6. 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.
mar. 2/311:05 amSTL - DUB
2 stops16h 30mBritish Airways
mar. 2/108:45 amDUB - STL
2 stops17h 28mBritish Airways
Deal found 1/6$413
This KAYAK deal was found by Cheapflights users on 1/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/61:50 pmMCI - SNN
2 stops15h 30mBritish Airways
mar. 9/157:40 amSNN - MCI
2 stops22h 29mBritish Airways
Deal found 1/7$414
This KAYAK deal was found by Cheapflights users on 1/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/241:58 pmMCI - DUB
2 stops16h 17mBritish Airways
mar. 4/146:30 amDUB - MCI
2 stops18h 51mBritish Airways
Deal found 1/7$414

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 enero 8, 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

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

mar. 3/24

5:40 pm-10:20 am

1 stop11h 40m

Dublin

mar. 4/14

9:50 am-2:25 pm

2 stops34h 35m

$412

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

lun. 2/9

12:11 pm-11:30 am

2 stops17h 19m

Shannon

mar. 3/3

7:50 am-11:22 pm

2 stops21h 32m

$415

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

mar. 4/7

6:15 am-9:45 am

1 stop21h 30m

Dublin

mar. 4/28

9:50 am-10:27 am

2 stops30h 37m

$418

Kansas CityCork

MCI - ORK

MCIORK

Kansas City

mar. 3/31

7:57 pm-3:10 pm

2 stops13h 13m

Cork

lun. 4/13

8:30 pm-5:32 pm

2 stops27h 02m

$421

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

mar. 2/3

10:00 am-8:10 am

1 stop16h 10m

Dublin

vie. 2/13

9:00 am-2:24 pm

2 stops35h 24m

$424

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

mar. 4/21

9:35 pm-5:00 pm

1 stop13h 25m

Dublin

jue. 4/30

8:20 pm-7:30 pm

1 stop29h 10m

$424

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

dom. 4/19

9:40 pm-4:20 pm

1 stop12h 40m

Dublin

mié. 4/29

10:30 am-7:30 pm

1 stop15h 00m

$424

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

mié. 4/22

9:35 pm-2:40 pm

1 stop11h 05m

Dublin

vie. 5/1

7:30 am-7:30 pm

1 stop18h 00m

$424

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

mar. 4/21

9:35 pm-5:00 pm

1 stop13h 25m

Dublin

mié. 4/29

12:50 pm-7:30 pm

1 stop12h 40m

$424

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

mié. 3/4

1:23 pm-7:45 am

1 stop12h 22m

Dublin

mié. 3/11

9:45 am-7:56 pm

1 stop15h 11m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 60 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 $721). 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 $412, United Airlines can have you in Ireland from Missouri in 11h 40m. 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 Aer Lingus ($324), United Airlines ($408), and American Airlines ($422).

  • 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 $721). 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 enero 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$412Average$599FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$432Average$799FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$455Average$690FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$463Average$678FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$481Average$815FlexibilityNo cancel feeOn-time69%
IberiaCheapest$482Average$780FlexibilityNo cancel feeOn-time77%
DeltaCheapest$483Average$839FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$485Average$901FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$533Average$855FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$693Average$1,028FlexibilityNo cancel feeOn-timeN/A

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