
Fly to
Route
Depart
Return
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Mon 4/13
6:05 pm-7:39 pm
Nonstop2h 34m
Denver Intl
Wed 4/15
1:48 pm-4:56 pm
Nonstop2h 08m
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Mon 4/20
6:05 pm-7:39 pm
Nonstop2h 34m
Denver Intl
Sat 4/25
5:45 pm-8:54 pm
Nonstop2h 09m
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Thu 4/9
6:05 pm-7:39 pm
Nonstop2h 34m
Denver Intl
Thu 4/16
5:45 pm-8:54 pm
Nonstop2h 09m
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Wed 5/13
6:35 am-7:55 am
Nonstop2h 20m
Denver Intl
Sun 5/17
8:35 pm-11:45 pm
Nonstop2h 10m
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Mon 4/20
9:40 pm-11:00 pm
Nonstop2h 20m
Denver Intl
Sat 4/25
5:55 pm-9:15 pm
Nonstop2h 20m
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Sat 4/11
6:10 am-9:45 am
1 stop4h 35m
Denver Intl
Sat 4/18
7:15 am-3:20 pm
2 stops7h 05m
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Sun 5/17
5:25 am-9:50 am
1 stop5h 25m
Denver Intl
Wed 5/20
8:40 am-1:00 pm
1 stop3h 20m
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Sat 4/18
8:54 am-10:27 am
Nonstop2h 33m
Denver Intl
Wed 4/22
5:45 pm-8:54 pm
Nonstop2h 09m
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Sat 4/18
6:10 am-9:45 am
1 stop4h 35m
Denver Intl
Sat 4/25
7:15 am-3:20 pm
2 stops7h 05m
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Fri 4/24
6:45 pm-8:05 pm
Nonstop2h 20m
Denver Intl
Tue 4/28
8:05 pm-11:10 pm
Nonstop2h 05m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from St. Louis, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, February is the cheapest month in which you can book a flight from St. Louis (average of $68). Flying from St. Louis in July will prove the most costly (average of $195). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
Those who are seeking the cheapest fare on flights departing from St. Louis would be wise to consider leaving during Monday evenings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Thursday mornings when fares are usually the most expensive.
For flights departing from St. Louis check dates and pricing for the following: Frontier, Southwest, American Airlines, United Airlines, Delta. These airlines depart to the following popular destinations: Las Vegas.
Some of the most frequent flights departing from St. Louis everyday are: Chicago (848 flights per day), Atlanta (220 flights per day), and New York (219 flights per day).
The cheapest city to fly to from St. Louis is Las Vegas Harry Reid Intl, with prices starting at $69. Explore other affordable destinations below.
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Mar 2026
KOA - HNL
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Mar 2026
KOA - HNL
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Mar 2026
KOA - HNL
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Mar 2026
KOA - HNL
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Mar 2026
KOA - HNL
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Mar 2026
KOA - HNL