Cheap flights from St. Louis from $28

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis departing on 1/24. 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 flights from St. Louis within your budget

 
Find flights departing from St. Louis that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on January 6, 2026. In the last 7 days, momondo users made a total of 832,500 searches

Fly to

Route

Depart

Return

Price

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 1/24

3:46 pm-5:23 pm

Nonstop2h 37m

$28

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 2/7

3:46 pm-5:23 pm

Nonstop2h 37m

$29

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 1/31

3:46 pm-5:23 pm

Nonstop2h 37m

$32

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Tue 2/3

2:50 pm-5:25 pm

Nonstop4h 35m

$74

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Tue 2/3

10:17 am-7:04 pm

1 stop10h 47m

$80

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Thu 2/5

2:50 pm-5:25 pm

Nonstop4h 35m

$81

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Fri 3/6

6:40 pm-12:09 am

1 stop7h 29m

$89

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Sat 2/7

7:05 am-10:29 am

Nonstop2h 24m

$121

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Sat 5/2

6:00 am-9:20 am

Nonstop2h 20m

$124

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Sat 4/11

7:05 am-1:30 pm

1 stop5h 25m

$126

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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Cheap one-way flights from St. Louis

Enter your travel dates to find the best prices.
Frontier Logo
3:46 pm - 5:23 pm
STL
-
DEN
2h 37mnonstop
$28Frontier
Sat, Jan 24
Frontier Logo
3:46 pm - 5:23 pm
STL
-
DEN
2h 37mnonstop
$29Frontier
Sat, Feb 7
Frontier Logo
3:46 pm - 5:23 pm
STL
-
DEN
2h 37mnonstop
$32Frontier
Sat, Jan 31
Alaska Airlines Logo
2:50 pm - 5:25 pm
STL
-
SEA
4h 35mnonstop
$74Alaska Airlines
Tue, Feb 3
American Airlines Logo
10:17 am - 7:04 pm
STL
-
SEA
10h 47m1 stop
$80American Airlines
Tue, Feb 3
Alaska Airlines Logo
2:50 pm - 5:25 pm
STL
-
SEA
4h 35mnonstop
$81Alaska Airlines
Thu, Feb 5
Delta Logo
6:40 pm - 12:09 am
STL
-
SEA
7h 29m1 stop
$89Delta
Fri, Mar 6
Delta Logo
7:05 am - 10:29 am
STL
-
LGA
2h 24mnonstop
$121Delta
Sat, Feb 7
Southwest Logo
6:00 am - 9:20 am
STL
-
LGA
2h 20mnonstop
$124Southwest
Sat, May 2
Southwest Logo
7:05 am - 1:30 pm
STL
-
LGA
5h 25m1 stop
$126Southwest
Sat, Apr 11

Flights from St. Louis - Travel Insights & Trends

Get data-powered insights and trends into flights from St. Louis to help you craft the best travel plan.

What are the most popular domestic flights out of Lambert-St Louis?

Departing from Lambert-St Louis, the top domestic flight destinations, based on momondo users' searches, include Fort Lauderdale, Tampa, Los Angeles, Jacksonville, and Charlotte.

What are the cheapest cities to fly to from St. Louis?

The cheapest city to fly to from St. Louis currently is Orlando at $29. The next cheapest destinations are Tampa, Seattle, Las Vegas, Atlanta and Fort Lauderdale.

Frequently asked questions regarding flights from St. Louis

Which airlines are currently offering the cheapest flights from St. Louis?

Our data suggests that currently, the cheapest flights from St. Louis are being offered by Delta, American Airlines, and Southern / Mokulele. For example, Delta flights from St. Louis to Detroit Metropolitan Wayne County Airport, start at $41, American Airlines flights from St. Louis to Denver cost around $50, and Southern / Mokulele flights from St. Louis to Burlington, Iowa are around $57.

What is the cheapest flight available from St. Louis?

Currently, the cheapest flight from St. Louis found by our users is for $29 to Orlando Airport. Prices will vary according to several factors such as the departure date and time, but on average you can expect to pay around $209 to travel from St. Louis to Orlando Airport.

Which destinations have the most frequent flights from St. Louis?

Chicago, Chicago O'Hare Intl Airport and Dallas/Fort Worth Airport are currently the destinations served most frequently from St. Louis, with 38, 35 and 19 flights per day on average, respectively.

Which airlines can you fly with from St. Louis?

Airlines including American Airlines, Delta and Lufthansa frequently fly from St. Louis. You can view other airlines by performing a quick search in the form above.

What is the cheapest first class flight from St. Louis?

If you are looking for a cheap first class flight, consider flights to Dallas/Fort Worth Airport, for which the starting price of a first class seat can be as low as $435.

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

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

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

How old do you have to be to fly from 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 layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport.

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

The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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