Ireland

$222+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — DUB
Jul 31 — Aug 71
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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 July 1, 2026.

This KAYAK deal was found by Cheapflights users on 6/29. 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.
Mon 11/94:05 pm
STL
-
DUB
1 stop31h 05m
Aer Lingus
Wed 11/181:00 pm
DUB
-
STL
1 stop32h 26m
Aer Lingus
Deal found 6/29$349
This KAYAK deal was found by Cheapflights users on 6/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:55 am
STL
-
DUB
1 stop14h 15m
Aer Lingus
Wed 8/191:20 pm
DUB
-
STL
1 stop30h 42m
Aer Lingus
Deal found 6/27$353
This KAYAK deal was found by Cheapflights users on 6/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:55 am
STL
-
DUB
1 stop14h 15m
Aer Lingus
Thu 8/201:20 pm
DUB
-
STL
1 stop13h 04m
Aer Lingus
Deal found 6/28$367
This KAYAK deal was found by Cheapflights users on 6/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:55 am
STL
-
DUB
1 stop14h 15m
Aer Lingus
Wed 9/91:20 pm
DUB
-
STL
1 stop13h 00m
Aer Lingus
Deal found 6/30$374
This Ovago deal was found by Cheapflights users on 6/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:55 am
STL
-
DUB
1 stop14h 15m
Aer Lingus
Tue 9/81:20 pm
DUB
-
STL
1 stop13h 00m
Aer Lingus
Deal found 6/27$375
This BusinessClass deal was found by Cheapflights users on 6/30. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:55 am
STL
-
DUB
1 stop14h 15m
Aer Lingus
Fri 8/211:20 pm
DUB
-
STL
1 stop30h 44m
Aer Lingus
Deal found 6/30$382
This KAYAK deal was found by Cheapflights users on 7/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:55 am
STL
-
DUB
1 stop15h 15m
Aer Lingus
Wed 11/41:00 pm
DUB
-
STL
1 stop32h 26m
Aer Lingus
Deal found 7/1$399
This KAYAK deal was found by Cheapflights users on 6/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:55 am
STL
-
DUB
1 stop14h 15m
Aer Lingus
Sun 8/231:20 pm
DUB
-
STL
1 stop30h 42m
Aer Lingus
Deal found 6/28$403
This BusinessClass deal was found by Cheapflights users on 6/28. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:55 am
STL
-
DUB
1 stop14h 15m
Aer Lingus
Fri 9/111:20 pm
DUB
-
STL
1 stop13h 00m
Aer Lingus
Deal found 6/28$406
This Air Canada deal was found by Cheapflights users on 6/29. 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 10/285:45 am
MCI
-
DUB
2 stops19h 25m
Air Canada
Fri 11/69:00 am
DUB
-
MCI
2 stops38h 19m
Air Canada
Deal found 6/29$686
This Air Canada deal was found by Cheapflights users on 6/29. 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.
Mon 10/265:11 pm
MCI
-
DUB
2 stops55h 59m
Air Canada
Fri 11/69:00 am
DUB
-
MCI
2 stops38h 19m
Air Canada
Deal found 6/29$692
This United deal was found by Cheapflights users on 6/30. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:11 pm
MCI
-
DUB
2 stops33h 19m
Multiple Airlines
Fri 11/69:00 am
DUB
-
MCI
2 stops55h 50m
Multiple Airlines
Deal found 6/30$694

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 July 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(KAYAK)

One-way from

$222
(KAYAK)

Popular in

June

Cheapest in

January

Average price

$906
Provider with most accurate pricing for Lambert-St Louis-Dublin flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Dublin flights.
From Missouri to Ireland
One-way flight from Missouri to Ireland
Highest demand for flights based on searches. 26% potential increase in price ($257 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($49 potential savings vs. average RT price).
Average for round-trip flights in July 2026

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 July 1, 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

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 12/8

11:25 am-9:55 am

2 stops16h 30m

Dublin

Tue 12/15

9:00 am-3:26 pm

1 stop12h 26m

$696

SpringfieldDublin

SGF - DUB

SGFDUB

Springfield-Branson

Wed 11/11

3:30 pm-7:45 am

1 stop10h 15m

Dublin

Fri 11/20

8:50 am-10:32 pm

2 stops19h 42m

$702

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/17

4:13 pm-8:45 am

1 stop10h 32m

Dublin

Tue 11/24

8:50 am-8:49 pm

2 stops17h 59m

$702

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 11/9

3:45 pm-7:55 am

1 stop10h 10m

Dublin

Wed 11/18

5:45 am-3:58 pm

2 stops16h 13m

$702

SpringfieldDublin

SGF - DUB

SGFDUB

Springfield-Branson

Wed 11/11

2:16 pm-7:15 am

1 stop10h 59m

Dublin

Fri 11/20

1:00 pm-10:28 pm

1 stop15h 28m

$705

ColumbiaDublin

COU - DUB

COUDUB

Columbia Regional

Tue 10/20

6:15 am-7:45 am

2 stops19h 30m

Dublin

Tue 11/3

10:40 am-2:29 pm

1 stop33h 49m

$705

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/17

2:50 pm-12:10 pm

2 stops15h 20m

Dublin

Tue 11/24

10:55 am-9:08 pm

2 stops16h 13m

$705

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Tue 12/1

2:45 pm-9:45 am

1 stop13h 00m

Dublin

Thu 12/10

9:40 am-9:05 pm

1 stop17h 25m

$705

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Wed 10/28

12:04 pm-7:45 am

1 stop14h 41m

Dublin

Wed 11/4

9:45 am-10:26 pm

1 stop18h 41m

$705
Quickest round-trip

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 11/9

3:15 pm-10:20 am

2 stops13h 05m

Dublin

Wed 11/18

10:40 am-3:41 pm

1 stop11h 01m

$705

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 50 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, September is the cheapest month in which you can book a flight from Missouri to Ireland (average of $322). Flying from Missouri to Ireland in June is currently the most expensive (average of $608). 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.

How far ahead should I book a flight from Missouri to Ireland?

The best time to book flights from Missouri to Ireland is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $702, KLM can have you in Ireland from Missouri in 10h 15m. 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 United Airlines ($219), Aer Lingus ($225), and American Airlines ($269).

  • 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, September is the cheapest month in which you can book a flight from Missouri to Ireland (average of $322). Flying from Missouri to Ireland in June is currently the most expensive (average of $608). 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.

Top 9 airlines flying from Missouri to Ireland

Discover the top 9 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 July 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$325Average$744FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$403Average$712FlexibilityNo cancel feeOn-time67%
KLMCheapest$412Average$676FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$418Average$681FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$424Average$589FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$456Average$840FlexibilityNo cancel feeOn-time69%
IberiaCheapest$466Average$692FlexibilityNo cancel feeOn-time77%
DeltaCheapest$481Average$749FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$482Average$872FlexibilityNo cancel feeOn-time71%

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