
$111 Cheap American Airlines flights Denver (DEN) to St. Louis (STL)
$111 Cheap American Airlines flights Denver (DEN) to St. Louis (STL)
Prices were available within the past 7 days and start at $111 for one-way flights and $186 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 29 - Wed, May 6
DEN
Denver
STL
St. Louis
$186 Roundtrip, found 1 hour ago
$186
Roundtrip
found 1 hour ago

Wed, Apr 29 - Wed, May 6
DEN
Denver
STL
St. Louis
$221 Roundtrip, found 1 hour ago
$221
Roundtrip
found 1 hour ago

Wed, Apr 29 - Wed, May 6
DEN
Denver
STL
St. Louis
$231 Roundtrip, found 1 hour ago
$231
Roundtrip
found 1 hour ago

Wed, Apr 29 - Wed, May 6
DEN
Denver
STL
St. Louis
$249 Roundtrip, found 1 hour ago
$249
Roundtrip
found 1 hour ago
Find the cheapest month to fly from Denver (DEN) to St. Louis (STL)
January is typically the cheapest month to fly
From $58 - $193 per traveler.
Travel information
Origin airport | Denver Intl. |
|---|---|
Destination airport | Lambert-St. Louis Intl. |
Airlines serving | American Airlines, Delta, Frontier Airlines, Southwest Airlines, United |
Popular airline | Southwest Airlines |
Distance | 1228 km |
Average flight time | 3 hours 2 mins |
Explore a world of travel with Expedia
Most Popular American Airlines Routes from Denver
- American Airlines DEN to BRO
- American Airlines DEN to BOS
- American Airlines DEN to JAX
- American Airlines DEN to PTY
- American Airlines DEN to DCA
- American Airlines DEN to DFW
- American Airlines DEN to LAS
- American Airlines DEN to MYR
- American Airlines DEN to IAD
- American Airlines DEN to PNS
- American Airlines DEN to ALB
Most Popular American Airlines Routes from St. Louis
- Fort Lauderdale to Toronto (FLL - YYZ)
- San Juan to Orlando (SJU - MCO)
- San Juan to Toronto (SJU - YYZ)
- Fort Lauderdale to Toronto (FLL - YYZ)
- Des Moines to Indianapolis (DSM - IND)
- Houston to Miami (IAH - MIA)
- Seattle to Los Angeles (SEA - LAX)
- Carlsbad to Fayetteville (CLD - XNA)
- Newark Liberty Intl. Airport to Tampa (EWR - TPA)
- Seattle to New Orleans (SEA - MSY)
Popular Domestic Routes in Lambert-St. Louis Intl.
- Springfield to Sacramento (SGF - SMF)
- Seattle Paine Field Intl. Airport to Los Angeles (PAE - LAX)
- Orlando to Los Angeles (MCO - LAX)
- Carlsbad to Fayetteville (CLD - XNA)
- San Juan to Toronto (SJU - YYZ)
- Washington to Providence (DCA - PVD)
- New York to Tampa (LGA - TPA)
- Des Moines to Indianapolis (DSM - IND)
- Carlsbad to Fayetteville (CLD - XNA)
- Omaha to Seattle (OMA - SEA)