Sat May 18th 2024 Frontier Airlines · F9 3302 Depart at 6:15am from Denver (DEN) Fly for 2h 10m Arrive at 9:25am in St. Louis (STL)
Tue May 14th 2024 Frontier Airlines · F9 3302 Depart at 12:45pm from Denver (DEN) Fly for 2h 5m Arrive at 3:50pm in St. Louis (STL)
Fri May 17th 2024 Frontier Airlines · F9 3302 Depart at 6:26am from Denver (DEN) Fly for 2h 10m Arrive at 9:36am in St. Louis (STL)
Sun May 12th 2024 Frontier Airlines · F9 3302 Depart at 11:20am from Denver (DEN) Fly for 2h 9m Arrive at 2:29pm in St. Louis (STL)
Sat May 11th 2024 Frontier Airlines · F9 6 Depart at 6:41am from Denver (DEN) Fly for 2h 6m Arrive at 9:47am in St. Louis (STL)
Wed May 15th 2024 Frontier Airlines · F9 6 Depart at 6:41am from Denver (DEN) Fly for 2h 6m Arrive at 9:47am in St. Louis (STL)
Sun May 19th 2024 Frontier Airlines · F9 4478 Depart at 7:22pm from Denver (DEN) Fly for 2h 10m Arrive at 10:32pm in St. Louis (STL)
Mon May 20th 2024 Frontier Airlines · F9 3302 Depart at 6:26am from Denver (DEN) Fly for 2h 10m Arrive at 9:36am in St. Louis (STL)
Mon May 13th 2024 Frontier Airlines · F9 6 Depart at 6:41am from Denver (DEN) Fly for 2h 6m Arrive at 9:47am in St. Louis (STL)
Thu May 16th 2024 Frontier Airlines · F9 4478 Depart at 6:54pm from Denver (DEN) Fly for 2h 12m Arrive at 10:06pm in St. Louis (STL)
Tue Apr 30th 2024 Frontier Airlines · F9 3302 Depart at 12:45pm from Denver (DEN) Fly for 2h 5m Arrive at 3:50pm in St. Louis (STL)
Wed May 1st 2024 Frontier Airlines · F9 6 Depart at 6:41am from Denver (DEN) Fly for 2h 6m Arrive at 9:47am in St. Louis (STL)
Thu May 9th 2024 Frontier Airlines · F9 3302 Depart at 7:30am from Denver (DEN) Fly for 2h 8m Arrive at 10:38am in St. Louis (STL)
Sat Apr 27th 2024 Frontier Airlines · F9 6 Depart at 6:41am from Denver (DEN) Fly for 2h 6m Arrive at 9:47am in St. Louis (STL)
Mon May 6th 2024 Frontier Airlines · F9 6 Depart at 6:41am from Denver (DEN) Fly for 2h 6m Arrive at 9:47am in St. Louis (STL)
Sun May 5th 2024 Frontier Airlines · F9 3302 Depart at 11:20am from Denver (DEN) Fly for 2h 9m Arrive at 2:29pm in St. Louis (STL)
Mon Apr 29th 2024 Frontier Airlines · F9 6 Depart at 6:41am from Denver (DEN) Fly for 2h 6m Arrive at 9:47am in St. Louis (STL)
Thu May 2nd 2024 Frontier Airlines · F9 3302 Depart at 7:30am from Denver (DEN) Fly for 2h 8m Arrive at 10:38am in St. Louis (STL)
Sun Apr 28th 2024 Frontier Airlines · F9 3302 Depart at 11:20am from Denver (DEN) Fly for 2h 9m Arrive at 2:29pm in St. Louis (STL)
Fri Apr 26th 2024 Frontier Airlines · F9 6 Depart at 6:41am from Denver (DEN) Fly for 2h 6m Arrive at 9:47am in St. Louis (STL)
Sat May 18th 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Wed May 15th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Sat May 18th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Sun May 19th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Tue May 14th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Sat May 11th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Mon Apr 29th 2024 Frontier Airlines · F9 2141 Depart at 12:17pm from Denver (DEN) Fly for 2h 4m Arrive at 1:21pm in Phoenix (PHX)
Layover in Phoenix for 2h 48m
Mon Apr 29th 2024 Frontier Airlines · F9 2076 Depart at 4:09pm from Phoenix (PHX) Fly for 2h 54m Arrive at 9:03pm in St. Louis (STL)
Tue Apr 30th 2024 Frontier Airlines · F9 2349 Depart at 12:31pm from Denver (DEN) Fly for 2h 5m Arrive at 1:36pm in Las Vegas (LAS)
Layover in Las Vegas for 3h 6m
Tue Apr 30th 2024 Frontier Airlines · F9 4416 Depart at 4:42pm from Las Vegas (LAS) Fly for 3h 17m Arrive at 9:59pm in St. Louis (STL)
Mon Apr 29th 2024 Frontier Airlines · F9 4967 Depart at 10:56pm from Denver (DEN) Fly for 2h 8m Arrive at 12:04am in Las Vegas (LAS)
Layover in Las Vegas for 5h 6m
Tue Apr 30th 2024 Frontier Airlines · F9 2018 Depart at 5:10am from Las Vegas (LAS) Fly for 3h 8m Arrive at 10:18am in St. Louis (STL)
Tue Apr 30th 2024 Frontier Airlines · F9 4967 Depart at 10:54pm from Denver (DEN) Fly for 2h 8m Arrive at 12:02am in Las Vegas (LAS)
Layover in Las Vegas for 5h 8m
Wed May 1st 2024 Frontier Airlines · F9 2018 Depart at 5:10am from Las Vegas (LAS) Fly for 3h 8m Arrive at 10:18am in St. Louis (STL)
Mon Apr 29th 2024 Frontier Airlines · F9 1819 Depart at 9:39am from Denver (DEN) Fly for 2h 4m Arrive at 10:43am in Phoenix (PHX)
Layover in Phoenix for 5h 26m
Mon Apr 29th 2024 Frontier Airlines · F9 2076 Depart at 4:09pm from Phoenix (PHX) Fly for 2h 54m Arrive at 9:03pm in St. Louis (STL)
Tue Apr 30th 2024 Frontier Airlines · F9 2015 Depart at 9:55am from Denver (DEN) Fly for 2h 6m Arrive at 11:01am in Las Vegas (LAS)
Layover in Las Vegas for 5h 41m
Tue Apr 30th 2024 Frontier Airlines · F9 4416 Depart at 4:42pm from Las Vegas (LAS) Fly for 3h 17m Arrive at 9:59pm in St. Louis (STL)
Mon Apr 29th 2024 Frontier Airlines · F9 4611 Depart at 7:52pm from Denver (DEN) Fly for 2h 4m Arrive at 8:56pm in Las Vegas (LAS)
Layover in Las Vegas for 8h 14m
Tue Apr 30th 2024 Frontier Airlines · F9 2018 Depart at 5:10am from Las Vegas (LAS) Fly for 3h 8m Arrive at 10:18am in St. Louis (STL)
Tue Apr 30th 2024 Frontier Airlines · F9 4611 Depart at 7:33pm from Denver (DEN) Fly for 2h 4m Arrive at 8:37pm in Las Vegas (LAS)
Layover in Las Vegas for 8h 33m
Wed May 1st 2024 Frontier Airlines · F9 2018 Depart at 5:10am from Las Vegas (LAS) Fly for 3h 8m Arrive at 10:18am in St. Louis (STL)
Sat Apr 27th 2024 Frontier Airlines · F9 4965 Depart at 10:52pm from Denver (DEN) Fly for 2h 7m Arrive at 11:59pm in Las Vegas (LAS)
Layover in Las Vegas for 5h 11m
Sun Apr 28th 2024 Frontier Airlines · F9 2018 Depart at 5:10am from Las Vegas (LAS) Fly for 3h 8m Arrive at 10:18am in St. Louis (STL)
Sat Apr 27th 2024 Frontier Airlines · F9 3312 Depart at 6:41am from Denver (DEN) Fly for 3h 47m Arrive at 12:28pm in Orlando (MCO)
Layover in Orlando for 6h 13m
Sat Apr 27th 2024 Frontier Airlines · F9 1631 Depart at 6:41pm from Orlando (MCO) Fly for 2h 51m Arrive at 8:32pm in St. Louis (STL)
Sat Apr 27th 2024 Frontier Airlines · F9 4611 Depart at 8:02pm from Denver (DEN) Fly for 2h 5m Arrive at 9:07pm in Las Vegas (LAS)
Layover in Las Vegas for 8h 3m
Sun Apr 28th 2024 Frontier Airlines · F9 2018 Depart at 5:10am from Las Vegas (LAS) Fly for 3h 8m Arrive at 10:18am in St. Louis (STL)
Sun Apr 28th 2024 Frontier Airlines · F9 2349 Depart at 12:31pm from Denver (DEN) Fly for 2h 5m Arrive at 1:36pm in Las Vegas (LAS)
Layover in Las Vegas for 3h 4m
Sun Apr 28th 2024 Frontier Airlines · F9 4442 Depart at 4:40pm from Las Vegas (LAS) Fly for 3h 17m Arrive at 9:57pm in St. Louis (STL)
Sat May 18th 2024 United Airlines · UA 1315 Depart at 1:34pm from Denver (DEN) Fly for 2h 4m Arrive at 4:38pm in St. Louis (STL)
Sat May 11th 2024 United Airlines · UA 1315 Depart at 1:34pm from Denver (DEN) Fly for 2h 4m Arrive at 4:38pm in St. Louis (STL)
Fri May 17th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Sun Apr 28th 2024 Frontier Airlines · F9 4967 Depart at 10:59pm from Denver (DEN) Fly for 2h 8m Arrive at 12:07am in Las Vegas (LAS)
Layover in Las Vegas for 5h 3m
Mon Apr 29th 2024 Frontier Airlines · F9 2018 Depart at 5:10am from Las Vegas (LAS) Fly for 3h 8m Arrive at 10:18am in St. Louis (STL)
Sun Apr 28th 2024 Frontier Airlines · F9 2015 Depart at 9:14am from Denver (DEN) Fly for 2h 6m Arrive at 10:20am in Las Vegas (LAS)
Layover in Las Vegas for 6h 20m
Sun Apr 28th 2024 Frontier Airlines · F9 4442 Depart at 4:40pm from Las Vegas (LAS) Fly for 3h 17m Arrive at 9:57pm in St. Louis (STL)
Fri May 10th 2024 Frontier Airlines · F9 6 Depart at 6:41am from Denver (DEN) Fly for 2h 6m Arrive at 9:47am in St. Louis (STL)
Tue May 7th 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Wed May 8th 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Sat May 4th 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Sun May 12th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Tue May 7th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Wed May 8th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Sat May 4th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Sat May 11th 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Sun May 12th 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Mon May 20th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Sat May 4th 2024 United Airlines · UA 1315 Depart at 1:25pm from Denver (DEN) Fly for 2h 4m Arrive at 4:29pm in St. Louis (STL)
Fri May 3rd 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Wed May 8th 2024 United Airlines · UA 1315 Depart at 1:34pm from Denver (DEN) Fly for 2h 4m Arrive at 4:38pm in St. Louis (STL)
Mon May 6th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Thu May 2nd 2024 United Airlines · UA 1815 Depart at 6:15pm from Denver (DEN) Fly for 2h 4m Arrive at 9:19pm in St. Louis (STL)
Sun May 12th 2024 United Airlines · UA 1315 Depart at 1:34pm from Denver (DEN) Fly for 2h 4m Arrive at 4:38pm in St. Louis (STL)
Tue May 7th 2024 United Airlines · UA 1315 Depart at 1:34pm from Denver (DEN) Fly for 2h 4m Arrive at 4:38pm in St. Louis (STL)
Sun May 5th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Fri May 10th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Tue Apr 23rd 2024 Frontier Airlines · F9 2349 Depart at 12:31pm from Denver (DEN) Fly for 2h 5m Arrive at 1:36pm in Las Vegas (LAS)
Layover in Las Vegas for 3h 6m
Tue Apr 23rd 2024 Frontier Airlines · F9 4416 Depart at 4:42pm from Las Vegas (LAS) Fly for 3h 17m Arrive at 9:59pm in St. Louis (STL)
Wed May 1st 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Tue Apr 30th 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Tue Apr 30th 2024 United Airlines · UA 1815 Depart at 6:48pm from Denver (DEN) Fly for 2h 4m Arrive at 9:52pm in St. Louis (STL)
Wed May 1st 2024 United Airlines · UA 1815 Depart at 6:48pm from Denver (DEN) Fly for 2h 4m Arrive at 9:52pm in St. Louis (STL)
Sat Apr 27th 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Sat Apr 27th 2024 United Airlines · UA 1815 Depart at 6:48pm from Denver (DEN) Fly for 2h 4m Arrive at 9:52pm in St. Louis (STL)
Thu May 2nd 2024 United Airlines · UA 1315 Depart at 1:34pm from Denver (DEN) Fly for 2h 4m Arrive at 4:38pm in St. Louis (STL)
Sun May 5th 2024 United Airlines · UA 1315 Depart at 1:34pm from Denver (DEN) Fly for 2h 4m Arrive at 4:38pm in St. Louis (STL)
Fri May 3rd 2024 United Airlines · UA 1315 Depart at 1:34pm from Denver (DEN) Fly for 2h 4m Arrive at 4:38pm in St. Louis (STL)
Wed May 15th 2024 United Airlines · UA 1315 Depart at 1:34pm from Denver (DEN) Fly for 2h 4m Arrive at 4:38pm in St. Louis (STL)
Mon May 13th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Tue Apr 30th 2024 United Airlines · UA 1811 Depart at 7:50am from Denver (DEN) Fly for 2h 30m Arrive at 11:20am in Chicago (ORD)
Layover in Chicago for 1h 37m
Tue Apr 30th 2024 United Airlines · UA 3618 Depart at 12:57pm from Chicago (ORD) Fly for 1h 26m Arrive at 2:23pm in St. Louis (STL)
Sat Apr 27th 2024 United Airlines · UA 2329 Depart at 9:43am from Denver (DEN) Fly for 2h 32m Arrive at 1:15pm in Chicago (ORD)
Layover in Chicago for 1h 9m
Sat Apr 27th 2024 United Airlines · UA 2618 Depart at 2:24pm from Chicago (ORD) Fly for 1h 22m Arrive at 3:46pm in St. Louis (STL)
Sat Apr 27th 2024 United Airlines · UA 1811 Depart at 7:50am from Denver (DEN) Fly for 2h 30m Arrive at 11:20am in Chicago (ORD)
Layover in Chicago for 1h 37m
Sat Apr 27th 2024 United Airlines · UA 3618 Depart at 12:57pm from Chicago (ORD) Fly for 1h 26m Arrive at 2:23pm in St. Louis (STL)
Sat Apr 27th 2024 United Airlines · UA 2329 Depart at 9:43am from Denver (DEN) Fly for 2h 32m Arrive at 1:15pm in Chicago (ORD)
Layover in Chicago for 2h 30m
Sat Apr 27th 2024 United Airlines · UA 4518 Depart at 3:45pm from Chicago (ORD) Fly for 1h 29m Arrive at 5:14pm in St. Louis (STL)
Fri May 3rd 2024 Frontier Airlines · F9 6 Depart at 6:41am from Denver (DEN) Fly for 2h 6m Arrive at 9:47am in St. Louis (STL)
Mon Apr 29th 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Wed May 1st 2024 United Airlines · UA 1315 Depart at 1:34pm from Denver (DEN) Fly for 2h 4m Arrive at 4:38pm in St. Louis (STL)
Mon Apr 29th 2024 United Airlines · UA 1815 Depart at 6:48pm from Denver (DEN) Fly for 2h 4m Arrive at 9:52pm in St. Louis (STL)
Tue Apr 30th 2024 United Airlines · UA 1315 Depart at 1:34pm from Denver (DEN) Fly for 2h 4m Arrive at 4:38pm in St. Louis (STL)
Sun Apr 28th 2024 United Airlines · UA 1815 Depart at 6:48pm from Denver (DEN) Fly for 2h 4m Arrive at 9:52pm in St. Louis (STL)
Wed May 15th 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Tue May 14th 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Sun Apr 28th 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Sat Apr 27th 2024 United Airlines · UA 1315 Depart at 1:50pm from Denver (DEN) Fly for 2h 4m Arrive at 4:54pm in St. Louis (STL)
Thu May 2nd 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Thu May 16th 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Thu May 16th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Thu May 16th 2024 United Airlines · UA 1315 Depart at 1:34pm from Denver (DEN) Fly for 2h 4m Arrive at 4:38pm in St. Louis (STL)
Sun May 19th 2024 United Airlines · UA 652 Depart at 9:41am from Denver (DEN) Fly for 2h 0m Arrive at 12:41pm in St. Louis (STL)
Thu May 9th 2024 United Airlines · UA 1815 Depart at 6:05pm from Denver (DEN) Fly for 2h 4m Arrive at 9:09pm in St. Louis (STL)
Tue May 14th 2024 United Airlines · UA 1315 Depart at 1:34pm from Denver (DEN) Fly for 2h 4m Arrive at 4:38pm in St. Louis (STL)
Tue Apr 30th 2024 United Airlines · UA 2329 Depart at 9:43am from Denver (DEN) Fly for 2h 32m Arrive at 1:15pm in Chicago (ORD)
Layover in Chicago for 1h 9m
Tue Apr 30th 2024 United Airlines · UA 2618 Depart at 2:24pm from Chicago (ORD) Fly for 1h 22m Arrive at 3:46pm in St. Louis (STL)
Mon Apr 29th 2024 United Airlines · UA 1315 Depart at 1:34pm from Denver (DEN) Fly for 2h 4m Arrive at 4:38pm in St. Louis (STL)
Sun Apr 28th 2024 United Airlines · UA 1315 Depart at 1:25pm from Denver (DEN) Fly for 2h 4m Arrive at 4:29pm in St. Louis (STL)
Tue Apr 23rd 2024 Frontier Airlines · F9 3302 Depart at 12:45pm from Denver (DEN) Fly for 2h 5m Arrive at 3:50pm in St. Louis (STL)
Have flexible travel plans or looking for alternative routes given the chaos? Check out all the connection possibilities via a super helpful site created by @ismaelyws flightlist.io thanks to @andy_travels for the recommendation #travel #flights
There seem to be lots of sites launching at the moment that promise to find you cheap flights but not many have the professional finish of Flightlist by @ismaelyws #travel #flights
@ismaelyws Just tried out Flightlist for the first time. Really nice idea, well made, and just what I need at the moment 👍
Did you spot my recent article about how to score cheap one way flights? ✈️ FlightList is my new secret tool for discovering cheap routes, within a departure date range. Plus you can also search by country/region for departures & destinations. Powerful! 💪
Tips to help you find the cheapest flights from Denver to St. Louis (DEN to STL).
❝As someone who works remotely & travels frequently, I always book one way flights and I'm flexible on my departure dates. I look for the best deals. Most sites require you to enter a specific departure date and clutter the page with uneccessary options, images and ads. I want something simple and minimal which allows me to search by departure date range & display a list of flights with the ability to filter according to my needs. So, I built FlightList to solve my own problem & help other travelers who may have the same frustration. It's how I imagine a flight booking site should be.❞