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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 9/9. 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
4:05 pm - 5:10 amSTL  Lambert-St Louis-DUB Dublin
31h 05m1 stop Toronto Pearson Intl
Aer Lingus Logo
1:00 pm - 3:26 pmDUB  Dublin-STL Lambert-St Louis
32h 26m1 stop Toronto Pearson Intl
$338Aer Lingus
Sat, Jan 9 - Tue, Jan 19
Aer Lingus Logo
4:05 pm - 5:10 amSTL  Lambert-St Louis-DUB Dublin
31h 05m1 stop Toronto Pearson Intl
Aer Lingus Logo
1:00 pm - 3:26 pmDUB  Dublin-STL Lambert-St Louis
32h 26m1 stop Toronto Pearson Intl
$338Aer Lingus
Sat, Jan 9 - Fri, Feb 12
United Airlines Logo
1:08 pm - 8:10 amSTL  Lambert-St Louis-DUB Dublin
13h 02m1 stop Chicago O'Hare Intl
United Airlines Logo
9:00 am - 12:06 pmDUB  Dublin-STL Lambert-St Louis
33h 06m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$679United Airlines
Tue, Dec 8 - Tue, Dec 15
Iberia Logo
9:33 am - 8:30 amSTL  Lambert-St Louis-DUB Dublin
16h 57m1 stop Philadelphia
Iberia Logo
11:30 am - 10:44 pmDUB  Dublin-STL Lambert-St Louis
17h 14m1 stop Philadelphia
$685Iberia
Wed, Feb 3 - Wed, Feb 10
Multiple Airlines Logo
6:50 pm - 7:10 amSTL  Lambert-St Louis-DUB Dublin
30h 20m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Multiple Airlines Logo
5:10 am - 1:45 pmDUB  Dublin-STL Lambert-St Louis
14h 35m1 stop Frankfurt am Main
$686Multiple Airlines
Tue, Nov 10 - Fri, Nov 20
Air Canada Logo
8:00 am - 7:10 amMCI  Kansas City-DUB Dublin
17h 10m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Air Canada Logo
9:00 am - 9:49 pmDUB  Dublin-MCI Kansas City
42h 49m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$687Air Canada
Sun, Jan 10 - Thu, Jan 21
Air Canada Logo
8:00 am - 7:10 amMCI  Kansas City-DUB Dublin
17h 10m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Air Canada Logo
9:00 am - 9:49 pmDUB  Dublin-MCI Kansas City
42h 49m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$687Air Canada
Wed, Jan 13 - Thu, Jan 21
United Airlines Logo
11:45 am - 7:30 amSTL  Lambert-St Louis-DUB Dublin
13h 45m1 stop Newark
United Airlines Logo
9:00 am - 3:26 pmDUB  Dublin-STL Lambert-St Louis
12h 26m1 stop Toronto Pearson Intl
$692United Airlines
Tue, Dec 8 - Tue, Dec 15
Iberia Logo
11:03 am - 7:15 amMCI  Kansas City-DUB Dublin
14h 12m1 stop Dallas/Fort Worth
Iberia Logo
1:00 pm - 10:02 pmDUB  Dublin-MCI Kansas City
15h 02m1 stop Dallas/Fort Worth
$704Iberia
Tue, Nov 3 - Tue, Nov 10
Multiple Airlines Logo
3:30 pm - 2:30 pmSGF  Springfield-Branson-DUB Dublin
17h 00m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Multiple Airlines Logo
5:15 pm - 4:52 pmDUB  Dublin-SGF Springfield-Branson
29h 37m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$708Multiple Airlines
Tue, Dec 1 - Tue, Dec 15

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American Airlines flights from Missouri to Ireland

Our best American Airlines deals on Missouri to Ireland flight tickets
American Airlines
Feb 8
MCI4:13 pmKansas City
14h 22m
2 stops
DUB12:35 pmDublin
Feb 16
DUB11:30 amDublin
16h 06m
1 stop
MCI9:36 pmKansas City
$696
American Airlines
Feb 8
MCI4:13 pmKansas City
14h 22m
2 stops
DUB12:35 pmDublin
Feb 16
DUB11:30 amDublin
17h 06m
2 stops
MCI10:36 pmKansas City
$701
American Airlines
Nov 4
SGF1:25 pmSpringfield-Branson
11h 50m
1 stop
DUB7:15 amDublin
Nov 14
DUB1:00 pmDublin
14h 51m
1 stop
SGF9:51 pmSpringfield-Branson
$797

Iberia flights from Missouri to Ireland

Our best Iberia deals on Missouri to Ireland flight tickets
Iberia
Nov 3
MCI11:03 amKansas City
14h 12m
1 stop
DUB7:15 amDublin
Nov 10
DUB1:00 pmDublin
15h 02m
1 stop
MCI10:02 pmKansas City
$704
Iberia
Oct 15
SGF12:59 pmSpringfield-Branson
14h 46m
1 stop
DUB9:45 amDublin
Oct 22
DUB12:40 pmDublin
12h 41m
1 stop
SGF7:21 pmSpringfield-Branson
$786
Iberia
Aug 13
MCI7:39 pmKansas City
10h 11m
1 stop
DUB11:50 amDublin
Sep 9
DUB12:40 pmDublin
13h 29m
1 stop
MCI8:09 pmKansas City
$911

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 August 12, 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 Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Sat 1/9

4:05 pm-5:10 am

1 stop31h 05m

Dublin

Tue 1/19

1:00 pm-3:26 pm

1 stop32h 26m

$338

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Sat 1/9

4:05 pm-5:10 am

1 stop31h 05m

Dublin

Fri 2/12

1:00 pm-3:26 pm

1 stop32h 26m

$338

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Tue 12/8

1:08 pm-8:10 am

1 stop13h 02m

Dublin

Tue 12/15

9:00 am-12:06 pm

2 stops33h 06m

$679

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Wed 2/3

9:33 am-8:30 am

1 stop16h 57m

Dublin

Wed 2/10

11:30 am-10:44 pm

1 stop17h 14m

$685

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Tue 11/10

6:50 pm-7:10 am

2 stops30h 20m

Dublin

Fri 11/20

5:10 am-1:45 pm

1 stop14h 35m

$686

Kansas CityDublin

MCI Kansas City - DUB Dublin

MCIDUB

Kansas City

Sun 1/10

8:00 am-7:10 am

2 stops17h 10m

Dublin

Thu 1/21

9:00 am-9:49 pm

2 stops42h 49m

$687

Kansas CityDublin

MCI Kansas City - DUB Dublin

MCIDUB

Kansas City

Wed 1/13

8:00 am-7:10 am

2 stops17h 10m

Dublin

Thu 1/21

9:00 am-9:49 pm

2 stops42h 49m

$687
Quickest round-trip

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Tue 12/8

11:45 am-7:30 am

1 stop13h 45m

Dublin

Tue 12/15

9:00 am-3:26 pm

1 stop12h 26m

$692

Kansas CityDublin

MCI Kansas City - DUB Dublin

MCIDUB

Kansas City

Tue 11/3

11:03 am-7:15 am

1 stop14h 12m

Dublin

Tue 11/10

1:00 pm-10:02 pm

1 stop15h 02m

$704

SpringfieldDublin

SGF Springfield-Branson - DUB Dublin

SGFDUB

Springfield-Branson

Tue 12/1

3:30 pm-2:30 pm

2 stops17h 00m

Dublin

Tue 12/15

5:15 pm-4:52 pm

2 stops29h 37m

$708

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, January 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 $504. If you aren’t able to travel to Ireland during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $522.

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 $710 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 45% 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

10h 37m

Direct flights

None
The fastest flight from Missouri to Ireland takes 10h 37m
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
1,697 reviews
Search Aer Lingus flights
LufthansaPriceFrom $424Free CancellationRating
6.8
8,182 reviews
Search Lufthansa flights
British AirwaysPriceFrom $429Free CancellationRating
6.7
8,161 reviews
Search British Airways flights
DeltaPriceFrom $433Free CancellationRating
7.8
8,503 reviews
Search Delta flights
American AirlinesPriceFrom $482Free CancellationRating
7.1
11,920 reviews
Search American Airlines flights
United AirlinesPriceFrom $483Free CancellationRating
7.4
10,112 reviews
Search United Airlines flights
KLMPriceFrom $485Free CancellationRating
7.8
1,557 reviews
Search KLM flights
Air CanadaPriceFrom $523Free CancellationRating
7.1
11,466 reviews
Search Air Canada flights
IberiaPriceFrom $540Free CancellationRating
7.0
3,262 reviews
Search Iberia 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Ireland

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