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Cheap flights from Missouri to Ireland from $225

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Ireland departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
8:55 am - 5:10 am
STL
-
DUB
14h 15m
1 stop
Aer Lingus Logo
1:20 pm - 2:02 pm
DUB
-
STL
30h 42m
1 stop
$353Aer Lingus
Tue, Aug 11 - Wed, Aug 19
Aer Lingus Logo
8:55 am - 5:10 am
STL
-
DUB
14h 15m
1 stop
Aer Lingus Logo
1:20 pm - 2:02 pm
DUB
-
STL
30h 42m
1 stop
$354Aer Lingus
Tue, Aug 11 - Wed, Aug 19
KLM Logo
6:00 am - 7:45 am
SGF
-
DUB
19h 45m
1 stop
KLM Logo
5:45 am - 6:10 pm
DUB
-
SGF
18h 25m
2 stops
$702KLM
Mon, Nov 9 - Tue, Nov 17
Delta Logo
12:04 pm - 7:45 am
MCI
-
DUB
14h 41m
1 stop
Delta Logo
8:50 am - 9:18 pm
DUB
-
MCI
18h 28m
2 stops
$702Delta
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
1:13 pm - 8:45 am
MCI
-
DUB
13h 32m
1 stop
Multiple Airlines Logo
8:50 am - 7:09 pm
DUB
-
MCI
16h 19m
2 stops
$703Multiple Airlines
Mon, Oct 19 - Wed, Nov 4
British Airways Logo
6:00 pm - 4:50 pm
SGF
-
DUB
16h 50m
2 stops
British Airways Logo
10:55 am - 9:09 pm
DUB
-
SGF
16h 14m
2 stops
$705British Airways
Sun, Nov 8 - Tue, Nov 17
Multiple Airlines Logo
12:04 pm - 7:45 am
MCI
-
DUB
14h 41m
1 stop
Multiple Airlines Logo
9:45 am - 10:26 pm
DUB
-
MCI
18h 41m
1 stop
$705Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
KLM Logo
6:45 pm - 7:45 am
SGF
-
DUB
31h 00m
1 stop
KLM Logo
5:45 am - 6:10 pm
DUB
-
SGF
18h 25m
2 stops
$707KLM
Sun, Nov 8 - Tue, Nov 17
Delta Logo
6:45 am - 10:40 am
STL
-
ORK
22h 55m
2 stops
Delta Logo
11:15 am - 11:18 pm
ORK
-
STL
18h 03m
2 stops
$713Delta
Tue, Oct 27 - Wed, Nov 11
British Airways Logo
9:40 pm - 11:50 pm
STL
-
ORK
20h 10m
1 stop
British Airways Logo
11:25 am - 8:44 pm
ORK
-
STL
15h 19m
2 stops
$957British Airways
Sun, Aug 23 - Wed, Sep 9

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Aer Lingus flights from Missouri to Ireland

Our best Aer Lingus deals on Missouri to Ireland flight tickets
Aer Lingus
Aug 11
STL8:55 amLambert-St Louis
14h 15m
1 stop
DUB5:10 amDublin
Aug 19
DUB1:20 pmDublin
30h 42m
1 stop
STL2:02 pmLambert-St Louis
$353
Aer Lingus
Aug 11
STL8:55 amLambert-St Louis
14h 15m
1 stop
DUB5:10 amDublin
Aug 19
DUB1:20 pmDublin
30h 42m
1 stop
STL2:02 pmLambert-St Louis
$354
Aer Lingus
Aug 9
STL8:55 amLambert-St Louis
14h 15m
1 stop
DUB5:10 amDublin
Aug 25
DUB1:20 pmDublin
13h 04m
1 stop
STL8:24 pmLambert-St Louis
$355

Finnair flights from Missouri to Ireland

Our best Finnair deals on Missouri to Ireland flight tickets
Finnair
Aug 3
MCI5:21 pmKansas City
12h 29m
1 stop
DUB11:50 amDublin
Aug 19
DUB9:30 amDublin
21h 05m
1 stop
MCI12:35 amKansas City
$707
Finnair
Aug 3
MCI5:21 pmKansas City
12h 29m
1 stop
DUB11:50 amDublin
Aug 19
DUB9:30 amDublin
21h 05m
1 stop
MCI12:35 amKansas City
$737
Finnair
Aug 3
MCI5:21 pmKansas City
12h 29m
1 stop
DUB11:50 amDublin
Aug 19
DUB9:40 amDublin
20h 55m
2 stops
MCI12:35 amKansas City
$755

momondo 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, momondo users made 832,500 searches. Data last updated June 29, 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 8/11

8:55 am-5:10 am

1 stop14h 15m

Dublin

Wed 8/19

1:20 pm-2:02 pm

1 stop30h 42m

$353

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 8/11

8:55 am-5:10 am

1 stop14h 15m

Dublin

Wed 8/19

1:20 pm-2:02 pm

1 stop30h 42m

$354

SpringfieldDublin

SGF - DUB

SGFDUB

Springfield-Branson

Mon 11/9

6:00 am-7:45 am

1 stop19h 45m

Dublin

Tue 11/17

5:45 am-6:10 pm

2 stops18h 25m

$702

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Wed 10/28

12:04 pm-7:45 am

1 stop14h 41m

Dublin

Wed 11/4

8:50 am-9:18 pm

2 stops18h 28m

$702
Quickest round-trip

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Mon 10/19

1:13 pm-8:45 am

1 stop13h 32m

Dublin

Wed 11/4

8:50 am-7:09 pm

2 stops16h 19m

$703

SpringfieldDublin

SGF - DUB

SGFDUB

Springfield-Branson

Sun 11/8

6:00 pm-4:50 pm

2 stops16h 50m

Dublin

Tue 11/17

10:55 am-9:09 pm

2 stops16h 14m

$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

SpringfieldDublin

SGF - DUB

SGFDUB

Springfield-Branson

Sun 11/8

6:45 pm-7:45 am

1 stop31h 00m

Dublin

Tue 11/17

5:45 am-6:10 pm

2 stops18h 25m

$707

St. LouisCork

STL - ORK

STLORK

Lambert-St Louis

Tue 10/27

6:45 am-10:40 am

2 stops22h 55m

Cork

Wed 11/11

11:15 am-11:18 pm

2 stops18h 03m

$713

St. LouisCork

STL - ORK

STLORK

Lambert-St Louis

Sun 8/23

9:40 pm-11:50 pm

1 stop20h 10m

Cork

Wed 9/9

11:25 am-8:44 pm

2 stops15h 19m

$957

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Missouri to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

In general, September is the cheapest month to fly from Missouri to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $322. If you aren’t able to travel to Ireland during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $334.

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

You are more likely to see cheaper flights to Ireland from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $720 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Missouri for as low as $581 on momondo.

Can stopping save me money on Missouri to Ireland flights?

You could potentially save up to 46% on your flight if you consider stops on a Missouri to Ireland flight.

Cheap Missouri to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Ireland

Fastest flight time

9h 58m

Direct flights

None
The fastest flight from Missouri to Ireland takes 9h 58m
There are no direct flights from Missouri to Ireland. There are no popular flight routes from Missouri to Ireland.
Search flight deals

Frequently asked questions about flying from Missouri to Ireland

  • When did momondo last update prices for flights from Missouri to Ireland?

    Prices for flights from Missouri to Ireland were last updated today.

  • How many operators does momondo search for flights from Missouri to Ireland?

  • How old do you have to be to fly from Missouri to Ireland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Ireland

Compare and see reviews for airlines that fly from Missouri to Ireland with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $325Free CancellationRating
7.3
1,631 reviews
Search Aer Lingus flights
Air CanadaPriceFrom $403Free CancellationRating
7.1
11,270 reviews
Search Air Canada flights
KLMPriceFrom $412Free CancellationRating
7.8
1,531 reviews
Search KLM flights
British AirwaysPriceFrom $418Free CancellationRating
6.7
8,080 reviews
Search British Airways flights
LufthansaPriceFrom $424Free CancellationRating
6.8
8,108 reviews
Search Lufthansa flights
United AirlinesPriceFrom $456Free CancellationRating
7.4
9,896 reviews
Search United Airlines flights
IberiaPriceFrom $466Free CancellationRating
7.0
3,250 reviews
Search Iberia flights
DeltaPriceFrom $481Free CancellationRating
7.8
8,451 reviews
Search Delta flights
American AirlinesPriceFrom $482Free CancellationRating
7.1
11,772 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Ireland?

Finding the right flight to Ireland from Missouri is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ireland quick and easy, saving you time and money.

Can I find flights from Missouri to Ireland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Missouri to Ireland flights to just show those with flexible booking policies.

How can momondo help me find flights from Missouri to Ireland?

Once all potential Missouri to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Missouri to Ireland right now. Can momondo alert me if prices change?

Price alerts on flights to Ireland from Missouri are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ireland trip

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Find better results for your trip to Ireland

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