Flights from Saint Louis (STL) to Denver (DEN) with Star Alliance

Start your journey with just one click

Airline

1/27

Saint Louis

toDenver

STL-DEN

April 30, 2025

May 3, 2025

Sold byUnited Airlines

From

197USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

2/27

Saint Louis

toDenver

STL-DEN

May 7, 2025

May 14, 2025

Sold byUnited Airlines

From

207USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

3/27

Saint Louis

toDenver

STL-DEN

May 7, 2025

May 13, 2025

Sold byUnited Airlines

From

217USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

4/27

Saint Louis

toDenver

STL-DEN

May 27, 2025

June 3, 2025

Sold byUnited Airlines

From

243USD Price subject to changes

Viewed:an hour ago

Roundtrip

Economy

*Prices have been offered for round trips within the last 48 hours and might not be currently available. Not all Star Alliance Member Airlines or all fares/options are shown. Additional baggage fees, payment fees and fees for other optional services may apply. When booking, please check for restrictions on refunds, rebooking and baggage allowance that may apply. Prices may vary depending on the route and flights selected. Routings may include stopovers. Terms and conditions apply.

Weather in Denver

Thursday

broken clouds

13/03/2025

18°C

13/03/2025

broken clouds

Friday

light rain

14/03/2025

11°C

14/03/2025

light rain

Saturday

overcast clouds

15/03/2025

8°C

15/03/2025

overcast clouds

Sunday

overcast clouds

16/03/2025

14°C

16/03/2025

overcast clouds

Monday

overcast clouds

17/03/2025

17°C

17/03/2025

overcast clouds

Tuesday

light rain

18/03/2025

9°C

18/03/2025

light rain

Wednesday

scattered clouds

19/03/2025

6°C

19/03/2025

scattered clouds

Flight schedules from Saint Louis to Denver with Star Alliance member carriers

Please note that the flight schedules of our member carriers are subject to change on short notice. We recommend using our member airlines information page. for the latest flight updates, details on booking flexibility, as well as specific Frequent Flyer Program information.

Outbound (13)

Sort by

Saint Louis US
STL08:20
2h 33m
No stops
Denver US
DEN09:53
Saint Louis - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2135
  Saint Louis. US
  STL 08:20
  2h 33m
  772 Miles
  Denver. US
  DEN 09:53
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Saint Louis US
STL13:45
2h 29m
No stops
Denver US
DEN15:14
Saint Louis - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2625
  Saint Louis. US
  STL 13:45
  2h 29m
  772 Miles
  Denver. US
  DEN 15:14
  Airbus A319 Passenger
  Operated by United Airlines
Saint Louis US
STL16:30
2h 36m
No stops
Denver US
DEN18:06
Saint Louis - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1004
  Saint Louis. US
  STL 16:30
  2h 36m
  772 Miles
  Denver. US
  DEN 18:06
  Airbus A319 Passenger
  Operated by United Airlines
Saint Louis US
STL06:30
5h 5m
1 Stop
Denver US
DEN10:35
Saint Louis - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4428
  Saint Louis. US
  STL 06:30
  1h 31m
  259 Miles
  Chicago. US
  ORD 08:01
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
2. Flight 2United Airlines UA 1599
  Chicago. US
  ORD 08:45
  2h 50m
  891 Miles
  Denver. US
  DEN 10:35
  Boeing 777 Passenger
  Operated by United Airlines
Saint Louis US
STL17:33
5h 27m
1 Stop
Denver US
DEN22:00
Saint Louis - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1156
  Saint Louis. US
  STL 17:33
  1h 22m
  259 Miles
  Chicago. US
  ORD 18:55
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2485
  Chicago. US
  ORD 20:04
  2h 56m
  891 Miles
  Denver. US
  DEN 22:00
  Boeing 737-900 Passenger
  Operated by United Airlines
Saint Louis US
STL15:25
5h 30m
1 Stop
Denver US
DEN19:55
Saint Louis - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2424
  Saint Louis. US
  STL 15:25
  1h 22m
  259 Miles
  Chicago. US
  ORD 16:47
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2654
  Chicago. US
  ORD 18:03
  2h 52m
  891 Miles
  Denver. US
  DEN 19:55
  Airbus A321neo
  Operated by United Airlines
Saint Louis US
STL08:00
5h 45m
1 Stop
Denver US
DEN12:45
Saint Louis - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4183
  Saint Louis. US
  STL 08:00
  1h 36m
  259 Miles
  Chicago. US
  ORD 09:36
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
2. Flight 2United Airlines UA 1803
  Chicago. US
  ORD 10:50
  2h 55m
  891 Miles
  Denver. US
  DEN 12:45
  Boeing 737-900 Passenger
  Operated by United Airlines
Saint Louis US
STL10:03
5h 56m
1 Stop
Denver US
DEN14:59
Saint Louis - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4432
  Saint Louis. US
  STL 10:03
  1h 36m
  259 Miles
  Chicago. US
  ORD 11:39
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
2. Flight 2United Airlines UA 1113
  Chicago. US
  ORD 13:05
  2h 54m
  891 Miles
  Denver. US
  DEN 14:59
  Airbus A321neo
  Operated by United Airlines
Saint Louis US
STL13:05
6h 1m
1 Stop
Denver US
DEN18:06
Saint Louis - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 5721
  Saint Louis. US
  STL 13:05
  1h 32m
  259 Miles
  Chicago. US
  ORD 14:37
  Canadair (Bombardier) Regional Jet 700 and Challenger 870
  Operated by United Airlines
2. Flight 2United Airlines UA 1801
  Chicago. US
  ORD 16:10
  2h 56m
  891 Miles
  Denver. US
  DEN 18:06
  Airbus A321neo
  Operated by United Airlines
Saint Louis US
STL11:05
6h 23m
1 Stop
Denver US
DEN16:28
Saint Louis - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4383
  Saint Louis. US
  STL 11:05
  1h 37m
  259 Miles
  Chicago. US
  ORD 12:42
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
2. Flight 2United Airlines UA 1823
  Chicago. US
  ORD 14:35
  2h 53m
  891 Miles
  Denver. US
  DEN 16:28
  Boeing 757-300 Passenger
  Operated by United Airlines
Saint Louis US
STL17:33
6h 57m
1 Stop
Denver US
DEN23:30
Saint Louis - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1156
  Saint Louis. US
  STL 17:33
  1h 22m
  259 Miles
  Chicago. US
  ORD 18:55
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 767
  Chicago. US
  ORD 21:38
  2h 52m
  891 Miles
  Denver. US
  DEN 23:30
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Saint Louis US
STL06:30
7h 15m
1 Stop
Denver US
DEN12:45
Saint Louis - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4428
  Saint Louis. US
  STL 06:30
  1h 31m
  259 Miles
  Chicago. US
  ORD 08:01
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
2. Flight 2United Airlines UA 1803
  Chicago. US
  ORD 10:50
  2h 55m
  891 Miles
  Denver. US
  DEN 12:45
  Boeing 737-900 Passenger
  Operated by United Airlines
Saint Louis US
STL10:03
7h 25m
1 Stop
Denver US
DEN16:28
Saint Louis - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4432
  Saint Louis. US
  STL 10:03
  1h 36m
  259 Miles
  Chicago. US
  ORD 11:39
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
2. Flight 2United Airlines UA 1823
  Chicago. US
  ORD 14:35
  2h 53m
  891 Miles
  Denver. US
  DEN 16:28
  Boeing 757-300 Passenger
  Operated by United Airlines

Start your journey with just one click

Saint Louis - Denver

Saint Louis - Denver

Saint Louis - Denver

Saint Louis - Denver

Saint Louis - Denver

Saint Louis - Denver

Saint Louis - Denver

Saint Louis - Denver

Saint Louis - Denver

Saint Louis - Denver

Saint Louis - Denver

Saint Louis - Denver

Saint Louis - Denver