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Cheap flights from Missouri to Ireland from $354

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 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Missouri to Ireland

Cheap round-trip flights

Iberia Logo
10:36 am - 6:30 amSTL-DUB
13h 54m1 stop
Iberia Logo
11:30 am - 8:55 pmDUB-STL
15h 25m1 stop
$408Iberia
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Tue, Oct 21 - Wed, Nov 5
Logo
11:49 am - 9:55 amSTL-DUB
17h 06m1 stop
Logo
9:00 am - 2:25 pmDUB-STL
35h 25m2 stops
$412
Find Deal
Wed, Oct 29 - Wed, Nov 5
Air Canada Logo
4:05 pm - 8:15 amSTL-DUB
10h 10m1 stop
Air Canada Logo
9:00 am - 2:25 pmDUB-STL
35h 25m2 stops
$415Air Canada
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Tue, Oct 21 - Wed, Nov 5
United Airlines Logo
8:20 am - 9:55 amSTL-DUB
19h 35m2 stops
United Airlines Logo
12:05 pm - 10:51 amDUB-STL
28h 46m2 stops
$416United Airlines
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Wed, Nov 5 - Thu, Nov 13
Delta Logo
6:40 am - 7:55 amSTL-DUB
19h 15m2 stops
Delta Logo
10:45 am - 10:04 pmDUB-STL
17h 19m2 stops
$417Delta
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Tue, Oct 21 - Wed, Nov 5
Air Canada Logo
1:30 pm - 7:45 amSTL-DUB
12h 15m1 stop
Air Canada Logo
9:20 am - 7:57 pmDUB-STL
16h 37m1 stop
$432Air Canada
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Mon, Aug 18 - Tue, Sep 2
United Airlines Logo
8:25 am - 10:20 amSTL-DUB
19h 55m1 stop
United Airlines Logo
9:00 am - 9:59 pmDUB-STL
42h 59m2 stops
$434United Airlines
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Wed, Nov 5 - Sun, Nov 9
Lufthansa Logo
11:49 am - 9:55 amSTL-DUB
16h 06m1 stop
Lufthansa Logo
9:20 am - 1:55 pmDUB-STL
34h 35m1 stop
$452Lufthansa
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Wed, Nov 5 - Thu, Nov 13
Delta Logo
6:00 pm - 3:00 pmSTL-DUB
15h 00m2 stops
Delta Logo
6:00 am - 7:01 pmDUB-STL
19h 01m2 stops
$454Delta
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Wed, Aug 20 - Tue, Aug 26
Lufthansa Logo
3:50 pm - 11:00 amSTL-DUB
13h 10m1 stop
Lufthansa Logo
5:10 am - 11:44 pmDUB-STL
24h 34m2 stops
$523Lufthansa
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Wed, Nov 5 - Sun, Nov 9

Iberia flights from Missouri to Ireland

Our best Iberia deals on Missouri to Ireland flight tickets
Iberia
Oct 21
STL10:36 amLambert-St Louis
13h 54m
1 stop
DUB6:30 amDublin
Nov 5
DUB11:30 amDublin
15h 25m
1 stop
STL8:55 pmLambert-St Louis
$408
Find similar
Iberia
Aug 12
STL1:24 pmLambert-St Louis
16h 16m
1 stop
DUB11:40 amDublin
Aug 26
DUB12:40 pmDublin
16h 34m
1 stop
STL11:14 pmLambert-St Louis
$416
Find similar
Iberia
Aug 12
STL8:01 pmLambert-St Louis
15h 39m
2 stops
DUB5:40 pmDublin
Aug 26
DUB12:40 pmDublin
16h 34m
1 stop
STL11:14 pmLambert-St Louis
$430
Find similar

Air Canada flights from Missouri to Ireland

Our best Air Canada deals on Missouri to Ireland flight tickets
Air Canada
Oct 21
STL4:05 pmLambert-St Louis
10h 10m
1 stop
DUB8:15 amDublin
Nov 5
DUB9:00 amDublin
35h 25m
2 stops
STL2:25 pmLambert-St Louis
$415
Find similar
Air Canada
Aug 18
STL1:30 pmLambert-St Louis
12h 15m
1 stop
DUB7:45 amDublin
Sep 2
DUB9:20 amDublin
16h 37m
1 stop
STL7:57 pmLambert-St Louis
$432
Find similar
Air Canada
Aug 18
STL1:30 pmLambert-St Louis
12h 15m
1 stop
DUB7:45 amDublin
Sep 2
DUB9:20 amDublin
16h 18m
2 stops
STL7:38 pmLambert-St Louis
$438
Find similar

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 7, 2025.
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

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 10/21

10:36 am-6:30 am

1 stop13h 54m

Dublin

Wed 11/5

11:30 am-8:55 pm

1 stop15h 25m

$408

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 10/29

11:49 am-9:55 am

1 stop17h 06m

Dublin

Wed 11/5

9:00 am-2:25 pm

2 stops35h 25m

$412

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 10/21

4:05 pm-8:15 am

1 stop10h 10m

Dublin

Wed 11/5

9:00 am-2:25 pm

2 stops35h 25m

$415

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 11/5

8:20 am-9:55 am

2 stops19h 35m

Dublin

Thu 11/13

12:05 pm-10:51 am

2 stops28h 46m

$416

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 10/21

6:40 am-7:55 am

2 stops19h 15m

Dublin

Wed 11/5

10:45 am-10:04 pm

2 stops17h 19m

$417

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 8/18

1:30 pm-7:45 am

1 stop12h 15m

Dublin

Tue 9/2

9:20 am-7:57 pm

1 stop16h 37m

$432

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 11/5

8:25 am-10:20 am

1 stop19h 55m

Dublin

Sun 11/9

9:00 am-9:59 pm

2 stops42h 59m

$434

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 11/5

11:49 am-9:55 am

1 stop16h 06m

Dublin

Thu 11/13

9:20 am-1:55 pm

1 stop34h 35m

$452

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 8/20

6:00 pm-3:00 pm

2 stops15h 00m

Dublin

Tue 8/26

6:00 am-7:01 pm

2 stops19h 01m

$454

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 11/5

3:50 pm-11:00 am

1 stop13h 10m

Dublin

Sun 11/9

5:10 am-11:44 pm

2 stops24h 34m

$523

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, February 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 $698. If you aren’t able to travel to Ireland during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $698.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as $865. This is often the case because there is less demand to fly during this day of the week. Flights from Missouri to Ireland on a Saturday will generally be more expensive and average around $972. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ireland?

According to our data, the cheapest time of day to fly to Ireland is in the evening. momondo users have found flights departing from Missouri to Ireland in the evening for as low as $556. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is at noon when prices are around $1,057.

How far in advance should I book a flight 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 $887 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 $673 on momondo.

Can stopping save me money on Missouri to Ireland flights?

You could potentially save up to 16% 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

Best Price Found

$354

Fastest flight time

10h 07m

Direct flights

None

Airports in Ireland

2 airports
The best one-way flight to Ireland from Missouri in the past 72 hours is $354. The best round-trip flight deal from Missouri to Ireland found on momondo in the last 72 hours is $408.
The fastest flight from Missouri to Ireland takes 10h 07m
There are no direct flights from Missouri to Ireland. Popular non-direct routes for this connection are Kansas City Airport - Shannon Airport, Lambert-St Louis Airport - Dublin Airport and Kansas City Airport - Dublin Airport.
There are 2 airports near Ireland: Dublin (DUB), Shannon (SNN)
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  • 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
British AirwaysPriceFrom $383Free CancellationRating
6.6
7,251 reviews
Search British Airways flights
Air CanadaPriceFrom $462Free CancellationRating
7.1
9,893 reviews
Search Air Canada flights
KLMPriceFrom $478Free CancellationRating
7.8
1,381 reviews
Search KLM flights
IberiaPriceFrom $482Free CancellationRating
7.0
2,865 reviews
Search Iberia flights
United AirlinesPriceFrom $495Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights
American AirlinesPriceFrom $503Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $518Free CancellationRating
8.0
7,985 reviews
Search Delta flights
Air FrancePriceFrom $536Free CancellationRating
7.4
1,465 reviews
Search Air France flights
Scandinavian AirlinesPriceFrom $597Free CancellationRating
7.4
1,465 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $604Free CancellationRating
6.8
7,296 reviews
Search Lufthansa 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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Popular flights according to clicks in the last 7 days on momondo
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