When did momondo last update prices for flights from Ireland to Lambert-St Louis Airport?

Prices for flights from Ireland to Lambert-St Louis Airport were last updated today.

How many operators does momondo search for flights from Ireland to Lambert-St Louis Airport?

The number of operators available for flights from Ireland to Lambert-St Louis Airport is 1 as of December 2025.

How old do you have to be to fly from Ireland to Lambert-St Louis Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

€562 Cheap Flights from Ireland to St. Louis in 2025/26

1 adult

0 bags

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Find the cheapest flights from Ireland to St. Louis

Round-trip

One-way

Recent return flight deals from Ireland to St. Louis

Enter your travel dates to find the best prices.

10:10 - 23:42

DUB

STL

42h 32m2 stops

17:00 - 10:50

STL

DUB

36h 50m2 stops

€681Scandinavian Airlines

Sat, 14 Mar - Sat, 28 Mar

10:30 - 23:59

DUB

STL

42h 29m2 stops

13:30 - 05:05

STL

DUB

10h 35m1 stop

€724Multiple Airlines

Sat, 14 Mar - Sat, 28 Mar

10:30 - 23:28

DUB

STL

18h 58m2 stops

10:04 - 09:50

STL

DUB

17h 46m2 stops

€751American Airlines

Thu, 26 Feb - Mon, 2 Mar

10:30 - 23:28

DUB

STL

18h 58m2 stops

10:04 - 09:50

STL

DUB

17h 46m2 stops

€752American Airlines

Thu, 26 Feb - Mon, 2 Mar

10:55 - 21:15

DUB

STL

16h 20m2 stops

18:46 - 14:20

STL

DUB

13h 34m2 stops

€754British Airways

Tue, 3 Feb - Tue, 10 Feb

13:10 - 23:28

DUB

STL

16h 18m2 stops

14:00 - 08:40

STL

DUB

12h 40m1 stop

€768American Airlines

Thu, 26 Feb - Mon, 2 Mar

10:55 - 21:15

DUB

STL

16h 20m2 stops

09:33 - 08:40

STL

DUB

17h 07m1 stop

€769Multiple Airlines

Tue, 3 Feb - Tue, 10 Feb

11:30 - 22:44

DUB

STL

17h 14m1 stop

09:33 - 08:40

STL

DUB

17h 07m1 stop

€770Iberia

Sun, 1 Feb - Sun, 8 Feb

11:30 - 22:44

DUB

STL

17h 14m1 stop

09:33 - 08:40

STL

DUB

17h 07m1 stop

€771Iberia

Sun, 1 Feb - Sun, 8 Feb

10:45 - 23:12

DUB

STL

18h 27m2 stops

15:54 - 15:05

STL

DUB

17h 11m2 stops

€777British Airways

Sun, 1 Feb - Sun, 8 Feb

American Airlines flights from Ireland to St. Louis

Our best American Airlines deals on Ireland to St. Louis flight tickets

American Airlines

26 Feb

DUB10:30Dublin

18h 58m

2 stops

STL23:28Lambert-St Louis

2 Mar

STL10:04Lambert-St Louis

17h 46m

2 stops

DUB09:50Dublin

€751

Find similar

American Airlines

26 Feb

DUB10:30Dublin

18h 58m

2 stops

STL23:28Lambert-St Louis

2 Mar

STL10:04Lambert-St Louis

17h 46m

2 stops

DUB09:50Dublin

€752

Find similar

American Airlines

26 Feb

DUB13:10Dublin

16h 18m

2 stops

STL23:28Lambert-St Louis

2 Mar

STL14:00Lambert-St Louis

12h 40m

1 stop

DUB08:40Dublin

€768

Find similar

British Airways flights from Ireland to St. Louis

Our best British Airways deals on Ireland to St. Louis flight tickets

British Airways

3 Feb

DUB10:55Dublin

16h 20m

2 stops

STL21:15Lambert-St Louis

10 Feb

STL18:46Lambert-St Louis

13h 34m

2 stops

DUB14:20Dublin

€754

Find similar

British Airways

1 Feb

DUB10:45Dublin

18h 27m

2 stops

STL23:12Lambert-St Louis

8 Feb

STL15:54Lambert-St Louis

17h 11m

2 stops

DUB15:05Dublin

€777

Find similar

British Airways

1 Feb

DUB10:45Dublin

18h 27m

2 stops

STL23:12Lambert-St Louis

8 Feb

STL15:54Lambert-St Louis

17h 11m

2 stops

DUB15:05Dublin

€778

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 14/3

10:10-23:42

2 stops42h 32m

Lambert-St Louis

Sat 28/3

17:00-10:50

2 stops36h 50m

€681

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 14/3

10:30-23:59

2 stops42h 29m

Lambert-St Louis

Sat 28/3

13:30-05:05

1 stop10h 35m

€724

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 26/2

10:30-23:28

2 stops18h 58m

Lambert-St Louis

Mon 2/3

10:04-09:50

2 stops17h 46m

€751

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 26/2

10:30-23:28

2 stops18h 58m

Lambert-St Louis

Mon 2/3

10:04-09:50

2 stops17h 46m

€752

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Tue 3/2

10:55-21:15

2 stops16h 20m

Lambert-St Louis

Tue 10/2

18:46-14:20

2 stops13h 34m

€754

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 26/2

13:10-23:28

2 stops16h 18m

Lambert-St Louis

Mon 2/3

14:00-08:40

1 stop12h 40m

€768

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Tue 3/2

10:55-21:15

2 stops16h 20m

Lambert-St Louis

Tue 10/2

09:33-08:40

1 stop17h 07m

€769

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sun 1/2

11:30-22:44

1 stop17h 14m

Lambert-St Louis

Sun 8/2

09:33-08:40

1 stop17h 07m

€770

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sun 1/2

11:30-22:44

1 stop17h 14m

Lambert-St Louis

Sun 8/2

09:33-08:40

1 stop17h 07m

€771

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sun 1/2

10:45-23:12

2 stops18h 27m

Lambert-St Louis

Sun 8/2

15:54-15:05

2 stops17h 11m

€777

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ireland to St. Louis

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 St. Louis?

The cheapest month to fly to St. Louis from Ireland is in February. Flight prices, which tend to average around €684, are often lower during this time because this is during the off-season. The month of August is another great option to travel to St. Louis, with average flight prices from Ireland averaging around €701.

What is the cheapest day to depart on your flight to St. Louis?

On average, the least expensive day to fly to St. Louis from Ireland is on a Thursday. momondo users have found tickets for Thursday departures for as low as €727. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to St. Louis for around €905.

What is the cheapest time of day to depart on your flight to St. Louis?

At midday is the cheapest time of day to fly from Ireland to St. Louis when you can find flight prices for as low as €680. Flying to St. Louis at midday is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of €836.

Cheap Ireland to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to St. Louis

Fastest flight time	16h 20m
Direct flights	None

The fastest flight from Ireland to St. Louis takes 16h 20m

There are no direct flights from Ireland to St. Louis. There are no popular flight routes from Ireland to St. Louis.

Search flight deals

When did momondo last update prices for flights from Ireland to Lambert-St Louis Airport?
Prices for flights from Ireland to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Ireland to Lambert-St Louis Airport?
The number of operators available for flights from Ireland to Lambert-St Louis Airport is 1 as of December 2025.
How old do you have to be to fly from Ireland to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ireland to St. Louis

Compare and see reviews for airlines that fly from Ireland to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom €126	Free Cancellation	Rating 7.2 11,050 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from Ireland to St. Louis with flexible booking policies on momondo?

momondo does allow users to show only those flights to St. Louis from Ireland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ireland to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Ireland to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.