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Flights to Lambert-St Louis

€327 Cheap flights to St. Louis

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to St. Louis departing on 28/5. 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
0 bags

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Find the cheapest flights from Ireland to St. Louis

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:45 - 20:25
DUB
-
STL
30h 40m
3 stops
Multiple Airlines Logo
08:40 - 18:40
STL
-
DUB
28h 00m
3 stops
€757Multiple Airlines
Tue, 2 Jun - Wed, 10 Jun
Finnair Logo
09:30 - 23:54
DUB
-
STL
20h 24m
1 stop
Finnair Logo
17:14 - 11:50
STL
-
DUB
12h 36m
1 stop
€816Finnair
Thu, 28 May - Sat, 6 Jun
Finnair Logo
09:30 - 22:19
DUB
-
STL
18h 49m
1 stop
Finnair Logo
17:00 - 11:50
STL
-
DUB
12h 50m
1 stop
€820Finnair
Sat, 9 May - Sun, 24 May
Finnair Logo
09:30 - 22:19
DUB
-
STL
18h 49m
1 stop
Finnair Logo
17:00 - 11:50
STL
-
DUB
12h 50m
1 stop
€821Finnair
Sat, 9 May - Sun, 24 May
Finnair Logo
09:30 - 22:19
DUB
-
STL
18h 49m
1 stop
Finnair Logo
17:00 - 11:50
STL
-
DUB
12h 50m
1 stop
€822Finnair
Sat, 9 May - Sun, 24 May
Finnair Logo
09:30 - 23:54
DUB
-
STL
20h 24m
1 stop
Finnair Logo
17:14 - 11:50
STL
-
DUB
12h 36m
1 stop
€825Finnair
Thu, 28 May - Sat, 6 Jun
Multiple Airlines Logo
10:40 - 20:09
DUB
-
STL
15h 29m
1 stop
Multiple Airlines Logo
08:40 - 09:20
STL
-
DUB
18h 40m
1 stop
€831Multiple Airlines
Thu, 4 Jun - Thu, 11 Jun
Multiple Airlines Logo
09:40 - 20:09
DUB
-
STL
16h 29m
2 stops
Multiple Airlines Logo
14:15 - 09:20
STL
-
DUB
13h 05m
1 stop
€833Multiple Airlines
Thu, 4 Jun - Thu, 11 Jun
WestJet Logo
10:40 - 21:09
DUB
-
STL
16h 29m
2 stops
WestJet Logo
18:04 - 08:20
STL
-
DUB
32h 16m
2 stops
€841WestJet
Thu, 28 May - Sat, 6 Jun
WestJet Logo
10:40 - 21:09
DUB
-
STL
16h 29m
2 stops
WestJet Logo
18:04 - 08:20
STL
-
DUB
32h 16m
2 stops
€849WestJet
Thu, 28 May - Sat, 6 Jun

momondo Fare Finder

 
Locate flights to Lambert-St Louis that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 24 April 2026.
Use the filters below to find and compare flights to St. Louis that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Tue 2/6

19:45-20:25

3 stops30h 40m

Lambert-St Louis

Wed 10/6

08:40-18:40

3 stops28h 00m

€757

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 28/5

09:30-23:54

1 stop20h 24m

Lambert-St Louis

Sat 6/6

17:14-11:50

1 stop12h 36m

€816

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 9/5

09:30-22:19

1 stop18h 49m

Lambert-St Louis

Sun 24/5

17:00-11:50

1 stop12h 50m

€820

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 9/5

09:30-22:19

1 stop18h 49m

Lambert-St Louis

Sun 24/5

17:00-11:50

1 stop12h 50m

€821

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 9/5

09:30-22:19

1 stop18h 49m

Lambert-St Louis

Sun 24/5

17:00-11:50

1 stop12h 50m

€822

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 28/5

09:30-23:54

1 stop20h 24m

Lambert-St Louis

Sat 6/6

17:14-11:50

1 stop12h 36m

€825

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 4/6

10:40-20:09

1 stop15h 29m

Lambert-St Louis

Thu 11/6

08:40-09:20

1 stop18h 40m

€831
Fastest return journey

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 4/6

09:40-20:09

2 stops16h 29m

Lambert-St Louis

Thu 11/6

14:15-09:20

1 stop13h 05m

€833

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 28/5

10:40-21:09

2 stops16h 29m

Lambert-St Louis

Sat 6/6

18:04-08:20

2 stops32h 16m

€841

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 28/5

10:40-21:09

2 stops16h 29m

Lambert-St Louis

Sat 6/6

18:04-08:20

2 stops32h 16m

€849

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Cheapest flights to Lambert-St Louis

Find the cheapest flights to Lambert-St Louis from your nearest city or airport

Cheap St. Louis flight deals and tips

Summary info about St. Louis flight prices, duration and airlines

Best One-Way Price

€327

Best Round-Trip Price

€757

Fastest flight time

31h 10m

Popular in

January
The best one-way flight price to St. Louis from Ireland in the last 72 hours is €327 (Dublin to Lambert-St Louis).
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The best round-trip flight price to St. Louis from Ireland in the last 72 hours is €757 (Dublin to Lambert-St Louis).
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The fastest flight to St. Louis from Ireland takes 31h 10m (Dublin to Lambert-St Louis).
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January has the highest demand for flights to St. Louis, with a 4% price increase on average.
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Frequently asked questions about flying to St. Louis

What is the cheapest month to fly to St. Louis?

The cheapest month to fly to St. Louis from Ireland is in August. Flight prices, which tend to average around €702, are often lower during this time because this is during the off-season. The month of September is another great option to travel to St. Louis, with average flight prices from Ireland averaging around €769.

Is there an alternative airport near St. Louis?

Belleville Airport, Marion Williamson County Airport or Springfield Capital Airport can be an alternative airport used for travel to St. Louis.

How long does it take to fly to St. Louis?

If you’re flying from a popular airport in Ireland, such as Dublin or Cork, and flying into St. Louis, then you can expect flight times to average 18h 49m and , respectively.

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

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

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

The number of operators available for flights to Lambert-St Louis Airport is 1 as of April 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Lambert-St Louis Airport.

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

The travel and health documents you'll need for your trip to Lambert-St Louis Airport 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 licence and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis.

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

Flights to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential St. Louis 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 to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis 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.

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Find better results for your trip to St. Louis

Popular Flights to St. Louis

Popular routes according to searches in the past day on momondo
Dublin to Lambert-St Louis Flightsfrom €837