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$271+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DUB
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:05 amSTL - DUB
1 stop15h 05mMultiple Airlines
Wed 1/149:30 amDUB - STL
1 stop20h 29mMultiple Airlines
Deal found 12/21$429
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:05 amSTL - DUB
1 stop15h 05mLufthansa
Wed 1/1410:40 amDUB - STL
1 stop13h 03mLufthansa
Deal found 12/21$432
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/295:02 pmSTL - DUB
1 stop33h 08mUnited Airlines
Sat 1/179:00 amDUB - STL
2 stops33h 29mUnited Airlines
Deal found 12/21$456
This Air Canada deal was found by Cheapflights users on 12/21. 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 12/318:05 amSTL - DUB
2 stops41h 05mAir Canada
Wed 1/149:00 amDUB - STL
2 stops35h 30mAir Canada
Deal found 12/21$462
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/299:55 amSTL - DUB
2 stops18h 25mUnited Airlines
Wed 1/149:00 amDUB - STL
1 stop12h 29mUnited Airlines
Deal found 12/21$463
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/3112:29 pmSTL - DUB
2 stops15h 51mUnited Airlines
Sun 1/189:00 amDUB - STL
1 stop12h 29mUnited Airlines
Deal found 12/21$473
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/303:10 pmSTL - DUB
1 stop11h 00mUnited Airlines
Wed 1/149:00 amDUB - STL
2 stops20h 59mUnited Airlines
Deal found 12/21$479
This FlightHub deal was found by Cheapflights users on 12/21. 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.
Wed 12/3112:29 pmSTL - DUB
1 stop13h 01mAustrian Airlines
Thu 1/159:30 amDUB - STL
1 stop20h 29mAustrian Airlines
Deal found 12/21$480
This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 12/297:06 pmSTL - DUB
1 stop30h 39mDelta
Tue 1/135:55 amDUB - STL
2 stops23h 30mDelta
Deal found 12/21$482
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/293:10 pmSTL - DUB
1 stop11h 00mUnited Airlines
Tue 1/139:30 amDUB - STL
1 stop13h 48mUnited Airlines
Deal found 12/21$484
This Finnair deal was found by Cheapflights users on 12/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:04 amMCI - DUB
1 stop20h 06mMultiple Airlines
Sun 12/2812:55 pmDUB - MCI
1 stop15h 59mMultiple Airlines
Deal found 12/22$642
This Finnair deal was found by Cheapflights users on 12/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:04 amMCI - DUB
1 stop20h 06mMultiple Airlines
Wed 12/3111:30 amDUB - MCI
2 stops14h 46mMultiple Airlines
Deal found 12/21$716

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 December 23, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$432
(Kiwi.com)

One-way from

$271
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$853
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.
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From Missouri to Ireland
Search Deals
One-way flight from Missouri to Ireland
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($258 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 23, 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

SpringfieldDublin

SGF - DUB

SGFDUB

Springfield-Branson

Sun 1/18

3:14 pm-8:10 am

1 stop10h 56m

Dublin

Sun 1/25

10:40 am-9:58 pm

1 stop17h 18m

$432

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Thu 1/22

11:22 am-7:30 am

1 stop14h 08m

Dublin

Sat 1/31

9:00 am-2:30 pm

2 stops35h 30m

$452

ColumbiaDublin

COU - DUB

COUDUB

Columbia Regional

Wed 2/11

11:17 am-8:10 am

1 stop14h 53m

Dublin

Sun 2/15

9:00 am-9:33 pm

2 stops42h 33m

$456

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Wed 2/25

11:32 am-8:10 am

1 stop14h 38m

Dublin

Mon 3/2

9:00 am-2:02 pm

2 stops35h 02m

$456

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Thu 1/22

8:05 am-8:10 am

1 stop18h 05m

Dublin

Mon 1/26

9:00 am-10:00 pm

2 stops43h 00m

$456

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 1/21

11:20 am-8:10 am

1 stop14h 50m

Dublin

Wed 1/28

9:00 am-5:43 pm

2 stops38h 43m

$456

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 1/19

3:11 pm-8:10 am

1 stop10h 59m

Dublin

Mon 1/26

9:00 am-2:30 pm

2 stops35h 30m

$456

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Fri 1/2

6:30 am-8:10 am

1 stop19h 40m

Dublin

Sat 1/17

9:00 am-12:29 pm

2 stops33h 29m

$456

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Wed 4/8

5:45 pm-10:40 am

1 stop10h 55m

Dublin

Tue 4/14

9:50 am-4:16 pm

2 stops36h 26m

$457

SpringfieldDublin

SGF - DUB

SGFDUB

Springfield-Branson

Wed 2/4

3:00 pm-8:10 am

2 stops35h 10m

Dublin

Sun 2/8

9:00 am-9:58 pm

2 stops42h 58m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 53 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.

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 December 23, 2025.

It’s optimal to fly from Missouri to Ireland in the evening. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight at noon.

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 $432, Lufthansa can have you in Ireland from Missouri in 10h 56m. There are 4098 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

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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$412Average$579FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$432Average$805FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$455Average$691FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$463Average$718FlexibilityNo cancel feeOn-time70%
IberiaCheapest$482Average$780FlexibilityNo cancel feeOn-time77%
DeltaCheapest$483Average$841FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$485Average$904FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$485Average$833FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$533Average$894FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$693Average$1,026FlexibilityNo cancel feeOn-timeN/A

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