Cheap flights from St. Louis (STL) to Colorado from $39

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — DEN
Apr 2 — Apr 91

How far in advance should I book a flight from St. Louis to Colorado?

To save on the cost of your flight from St. Louis to Colorado, book at least 56 days before your planned departure. Booking around this time can save you about 63% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $128 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $252.

What is the cheapest month to fly from St. Louis to Colorado?

Flights from St. Louis to Colorado lean towards being more expensive in December. Prices are generally better when you fly from St. Louis to Colorado in October, with the cheapest ticket starting at $40.

When is the cheapest time to fly from St. Louis to Colorado (STL - CO)?

When flying from St. Louis to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Delta flights from St. Louis to Colorado

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Colorado. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.
Peruse some of the lowest-priced Delta flights we've found from St. Louis to Colorado. It's recommended that users confirm their flight details before booking.
Wed 5/15:40 pmSTL - DEN
1 stop6h 33mDelta
Mon 5/612:30 amDEN - STL
1 stop7h 35mDelta
Deal found 3/27$158
Fri 4/261:01 pmSTL - DEN
1 stop7h 16mDelta
Thu 5/212:45 amDEN - STL
1 stop7h 11mDelta
Deal found 3/27$198
Sat 4/277:15 amSTL - DEN
1 stop8h 44mDelta
Sun 4/2812:45 amDEN - STL
1 stop7h 11mDelta
Deal found 3/27$213
Fri 4/196:50 pmSTL - DEN
1 stop5h 20mDelta
Sat 4/2712:45 amDEN - STL
1 stop7h 11mDelta
Deal found 3/28$218
Thu 5/1610:20 amSTL - DEN
1 stop4h 43mDelta
Sat 5/1812:30 amDEN - STL
1 stop7h 24mDelta
Deal found 3/27$233
Fri 6/76:30 pmSTL - DEN
1 stop5h 24mDelta
Mon 6/106:36 pmDEN - STL
1 stop5h 03mDelta
Deal found 3/27$238
Wed 4/37:20 amSTL - DEN
1 stop6h 52mDelta
Wed 4/312:59 amDEN - STL
1 stop6h 55mDelta
Deal found 3/27$515
Wed 4/37:20 amSTL - DEN
1 stop8h 43mDelta
Sat 4/612:59 amDEN - STL
1 stop6h 55mDelta
Deal found 3/27$535
Tue 4/27:20 amSTL - DEN
1 stop6h 52mDelta
Tue 4/212:59 amDEN - STL
1 stop6h 55mDelta
Deal found 3/28$587

Cheap Frontier flights from St. Louis to Colorado

Explore cheap flight options specifically provided by Frontier for the route between St. Louis and Colorado. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.
Take a gander at the lowest prices we've found on Frontier flights from St. Louis to Colorado. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Tue 4/164:50 pmSTL - DEN
Nonstop2h 30mFrontier
Thu 4/257:30 amDEN - STL
Nonstop2h 08mFrontier
Deal found 3/27$68
Sat 4/138:04 pmSTL - DEN
Nonstop2h 31mFrontier
Tue 4/1612:45 pmDEN - STL
Nonstop2h 05mFrontier
Deal found 3/27$69
Sat 4/138:04 pmSTL - DEN
Nonstop2h 31mFrontier
Sat 4/206:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/27$72
Tue 4/164:50 pmSTL - DEN
Nonstop2h 30mFrontier
Sat 4/206:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/27$77
Thu 4/2511:38 amSTL - DEN
Nonstop2h 29mFrontier
Mon 4/296:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/26$78
Thu 4/1811:18 amSTL - DEN
Nonstop2h 29mFrontier
Tue 4/2312:45 pmDEN - STL
Nonstop2h 05mFrontier
Deal found 3/27$79
Sat 4/138:04 pmSTL - DEN
Nonstop2h 31mFrontier
Tue 4/1612:45 pmDEN - STL
Nonstop2h 05mFrontier
Deal found 3/27$80
Sat 4/208:04 pmSTL - DEN
Nonstop2h 31mFrontier
Mon 4/226:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/27$81
Sat 5/48:04 pmSTL - DEN
Nonstop2h 31mFrontier
Mon 5/66:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/27$87

Cheap St. Louis to Colorado flights in March & April 2024

Find cheap flight options from St. Louis to Colorado specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,228,805 searches. Prices were last updated on March 28, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Colorado in March and April 2024. For more flight deals, be sure to check back very soon.
Tue 4/234:50 pmSTL - DEN
Nonstop2h 30mFrontier
Tue 4/3012:45 pmDEN - STL
Nonstop2h 05mFrontier
Deal found 3/28$48
Tue 4/164:50 pmSTL - DEN
Nonstop2h 30mFrontier
Sat 4/276:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/27$58
Sat 4/278:04 pmSTL - DEN
Nonstop2h 31mFrontier
Sat 5/46:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/28$60
Tue 4/164:50 pmSTL - DEN
Nonstop2h 30mFrontier
Thu 4/257:30 amDEN - STL
Nonstop2h 08mFrontier
Deal found 3/27$68
Sat 4/138:04 pmSTL - DEN
Nonstop2h 31mFrontier
Tue 4/1612:45 pmDEN - STL
Nonstop2h 05mFrontier
Deal found 3/27$69
Sat 4/138:04 pmSTL - DEN
Nonstop2h 31mFrontier
Sat 4/206:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/27$72
Tue 4/164:50 pmSTL - DEN
Nonstop2h 30mFrontier
Sat 4/206:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/27$77
Thu 4/2511:38 amSTL - DEN
Nonstop2h 29mFrontier
Mon 4/296:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/26$78
Thu 4/1811:18 amSTL - DEN
Nonstop2h 29mFrontier
Tue 4/2312:45 pmDEN - STL
Nonstop2h 05mFrontier
Deal found 3/27$79

St. Louis to Colorado 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Colorado in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Colorado in March and April 2024. For more flight deals, be sure to check back very soon.
Tue 4/164:50 pmSTL - DEN
Nonstop2h 30mFrontier
Thu 4/257:30 amDEN - STL
Nonstop2h 08mFrontier
Deal found 3/27$68
Sat 4/138:04 pmSTL - DEN
Nonstop2h 31mFrontier
Tue 4/1612:45 pmDEN - STL
Nonstop2h 05mFrontier
Deal found 3/27$69
Sat 4/138:04 pmSTL - DEN
Nonstop2h 31mFrontier
Sat 4/206:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/27$72
Wed 5/158:04 pmSTL - DEN
Nonstop2h 31mFrontier
Sat 5/186:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 3/28$73
Tue 4/164:50 pmSTL - DEN
Nonstop2h 30mFrontier
Sat 4/206:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/27$77
Thu 4/2511:38 amSTL - DEN
Nonstop2h 29mFrontier
Mon 4/296:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/26$78
Thu 4/1811:18 amSTL - DEN
Nonstop2h 29mFrontier
Tue 4/2312:45 pmDEN - STL
Nonstop2h 05mFrontier
Deal found 3/27$79
Sat 4/138:04 pmSTL - DEN
Nonstop2h 31mFrontier
Tue 4/1612:45 pmDEN - STL
Nonstop2h 05mFrontier
Deal found 3/27$80
Sat 4/208:04 pmSTL - DEN
Nonstop2h 31mFrontier
Mon 4/226:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/27$81

Non-stop flights to Colorado from St. Louis

Discover non-stop flight options from St. Louis to Colorado. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.
Consider booking one of these non-stop flights heading from St. Louis to Colorado. Those looking to potentially save on 1 or 2-stop flights from St. Louis to Colorado should utilize the search form at the the top of the page.
Tue 4/234:50 pmSTL - DEN
Nonstop2h 30mFrontier
Tue 4/3012:45 pmDEN - STL
Nonstop2h 05mFrontier
Deal found 3/28$48
Wed 5/18:04 pmSTL - DEN
Nonstop2h 31mFrontier
Tue 5/712:45 pmDEN - STL
Nonstop2h 05mFrontier
Deal found 3/28$58
Sat 4/278:04 pmSTL - DEN
Nonstop2h 31mFrontier
Sat 5/46:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/28$60
Tue 4/164:50 pmSTL - DEN
Nonstop2h 30mFrontier
Thu 4/257:30 amDEN - STL
Nonstop2h 08mFrontier
Deal found 3/27$68
Sat 4/138:04 pmSTL - DEN
Nonstop2h 31mFrontier
Tue 4/1612:45 pmDEN - STL
Nonstop2h 05mFrontier
Deal found 3/27$69
Sat 4/138:04 pmSTL - DEN
Nonstop2h 31mFrontier
Sat 4/206:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/27$72
Wed 5/158:04 pmSTL - DEN
Nonstop2h 31mFrontier
Sat 5/186:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 3/28$73
Tue 4/164:50 pmSTL - DEN
Nonstop2h 30mFrontier
Sat 4/206:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/27$77
Thu 4/2511:38 amSTL - DEN
Nonstop2h 29mFrontier
Mon 4/296:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/26$78

St. Louis to Colorado flights leaving soon

Find last-minute flight options from St. Louis to Colorado for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.
Consider one of these great deals we found on last-minute flights from St. Louis to Colorado. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 4/38:45 pmSTL - DEN
Nonstop2h 32mFrontier
Thu 4/47:07 pmDEN - STL
Nonstop2h 08mFrontier
Deal found 3/27$118
Sun 4/711:15 pmSTL - DEN
Nonstop2h 35mFrontier
Sat 4/136:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/27$129
Sat 4/67:04 pmSTL - DEN
Nonstop2h 34mFrontier
Tue 4/96:05 pmDEN - STL
Nonstop2h 09mFrontier
Deal found 3/28$138
Sat 4/67:37 pmSTL - DEN
1 stop9h 19mFrontier
Tue 4/96:05 pmDEN - STL
Nonstop2h 09mFrontier
Deal found 3/28$148
Wed 4/38:45 pmSTL - DEN
Nonstop2h 32mFrontier
Thu 4/47:07 pmDEN - STL
Nonstop2h 08mFrontier
Deal found 3/28$149
Wed 4/38:45 pmSTL - DEN
Nonstop2h 32mFrontier
Thu 4/42:45 pmDEN - STL
1 stop16h 36mFrontier
Deal found 3/27$153
Fri 4/56:18 pmSTL - DEN
Nonstop2h 32mFrontier
Mon 4/86:55 amDEN - STL
Nonstop2h 17mFrontier
Deal found 3/26$157
Sun 4/78:24 pmSTL - DEN
1 stop27h 59mFrontier
Sat 4/136:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/27$168
Sun 4/711:15 pmSTL - DEN
Nonstop2h 35mFrontier
Fri 4/1212:21 amDEN - STL
1 stop19h 11mFrontier
Deal found 3/27$177

One-way flights to Colorado from St. Louis

Search for one-way flight options from St. Louis to Colorado. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Colorado, be sure to check out these deals, which are updated often. Those seeking round-trip flights from St. Louis to Colorado should utilize the search form at the the top of the page.
Mon 4/298:04 pmSTL - DEN
Nonstop2h 31mFrontier
Deal found 3/27$39
Tue 5/144:50 pmSTL - DEN
Nonstop2h 30mFrontier
Deal found 3/26$44
Wed 5/158:04 pmSTL - DEN
Nonstop2h 31mFrontier
Deal found 3/27$45
Tue 5/2810:44 pmSTL - DEN
Nonstop2h 36mFrontier
Deal found 3/27$49
Mon 4/228:04 pmSTL - DEN
Nonstop2h 31mFrontier
Deal found 3/27$50
Fri 5/178:45 pmSTL - DEN
Nonstop2h 31mFrontier
Deal found 3/27$59
Mon 4/227:51 pmSTL - DEN
1 stop14h 09mFrontier
Deal found 3/27$65
Thu 4/411:15 pmSTL - DEN
Nonstop2h 35mFrontier
Deal found 3/27$69
Thu 4/1111:18 amSTL - DEN
Nonstop2h 29mFrontier
Deal found 3/27$70

Find flights from St. Louis to Colorado within your budget

Customize your flight search to find flights from St. Louis to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$68 - $158

Route

Depart

Return

Price

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Tue 4/16

Nonstop2h 30m

Denver Intl

Thu 4/25

Nonstop2h 08m

$68

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Sat 4/13

Nonstop2h 31m

Denver Intl

Tue 4/16

Nonstop2h 05m

$69

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Sat 4/13

Nonstop2h 31m

Denver Intl

Sat 4/20

Nonstop2h 06m

$72

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Tue 4/16

Nonstop2h 30m

Denver Intl

Sat 4/20

Nonstop2h 06m

$77

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Thu 4/25

Nonstop2h 29m

Denver Intl

Mon 4/29

Nonstop2h 06m

$78

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Thu 4/18

Nonstop2h 29m

Denver Intl

Tue 4/23

Nonstop2h 05m

$79

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Sat 4/13

Nonstop2h 31m

Denver Intl

Tue 4/16

Nonstop2h 05m

$80

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Wed 4/17

1 stop7h 30m

Denver Intl

Tue 4/23

Nonstop2h 05m

$114

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Wed 5/1

1 stop6h 33m

Denver Intl

Mon 5/6

1 stop7h 35m

$158

Flights are sorted by cheapest first

Deals found on 3/27

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated March 28, 2024.
Read through reviews of airlines operating flights from St. Louis to Colorado, such as Delta, Frontier and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,402 reviews

Boarding

8.2

Food

7.5

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,402 reviews
8.1
Very good
11,402 reviews

Boarding

8.2

Food

7.5

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
11,481 reviews
8.1
Very good
11,402 reviews

Boarding

8.2

Food

7.5

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
15,181 reviews
8.1
Very good
11,402 reviews

Boarding

8.2

Food

7.5

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
696 reviews
8.1
Very good
11,402 reviews

Boarding

8.2

Food

7.5

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

6.3
Okay
4,263 reviews
8.1
Very good
11,402 reviews

Boarding

8.2

Food

7.5

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from St. Louis to Colorado?

    For a flight from St. Louis to Colorado, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • Can I find flights from St. Louis to Colorado for under $100 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Colorado for under $100. The cheapest flight booked recently is on Frontier for just $68, but on average you can expect to pay $87.

  • Are there nonstop flights from St. Louis to Colorado for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Colorado under $100. A good price for a nonstop flight from St. Louis to Colorado is less than $79.

  • Are there last-minute flights available from St. Louis to Colorado for under $200?

    There are currently 20+ open flights from St. Louis to Colorado within the next 7 days for less than $200.

  • What days are nonstop flights available from St. Louis to Colorado?

    Nonstop flights are available for this route on the following days: Monday, Tuesday, Thursday, Friday.

  • How popular is this St. Louis to Colorado flight route?

  • How many flights depart from St. Louis to Colorado on average per day?

    5 flight departures from St. Louis to Colorado per day on average.
    Morning (6am - Noon) - 60% of flight departures
    Afternoon (Noon - 6pm) - 40% of flight departures

  • How long is the flight from St. Louis to Colorado?

    Airlines like Frontier fly from St. Louis to Colorado in about 2h 30m. The time it takes to get you to your destination is usually consistent. The distance between St. Louis and Colorado is about 772 mi. All flights are typically nonstop.

  • What are the cheapest airlines to fly from St. Louis to Colorado one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $39. Users have also found prices from $91 and $93 on Sun Country Air and Delta, respectively.

  • What are the most popular routes from St. Louis to Colorado?

  • What are the most popular airlines that fly from St. Louis to Colorado?

  • What are the most reliable airlines from St. Louis to Colorado?

    The top 3 most reliable airlines when flying from St. Louis to Colorado are Frontier (92%), United Airlines (82%) and Air Canada (81%).

  • What are the cheapest flights from St. Louis to Colorado?

    The cheapest flight price from St. Louis to Colorado is $39. On average you can expect to pay $688. The most popular route, (Lambert-St Louis - Denver Intl), can usually be booked for $104.

  • What does STL to DEN mean?

    Lambert-St Louis Airport is STL and Denver Intl Airport is DEN. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Colorado Springs Airport (COS), Grand Junction Regnl Airport (GJT), Aspen Pitkin County Airport (ASE), Durango La Plata County Airport (DRO), Vail Eagle County Airport (EGE) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from St. Louis to Colorado that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Colorado with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Colorado that include hotel bookings?

    Yes. In addition to deals on St. Louis to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

  • Can I find deals for business class flights from St. Louis to Colorado?

    Yes. Cheapflights offers flight deals from St. Louis to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Colorado that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • How recently were the St. Louis to Colorado flight deals updated?

    The St. Louis to Colorado flight deals you see on this page were last updated on 3/28.

See more FAQs

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Alternative routes for St. Louis to Colorado
See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from St. Louis to Colorado

Discover the top 4 airlines that operate flights from St. Louis to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$40Average$124FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$119Average$518FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$189Average$354FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$193Average$477FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from St. Louis to Colorado by cabin class

Find flights from St. Louis to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from St. Louis to Colorado

Find hourly flight availability from St. Louis to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2024.
9%of flight departuresEarly morningMidnight to 6 am
45%of flight departuresMorning6 am to noon
36%of flight departuresAfternoonNoon to 6 pm
10%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Colorado?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Colorado from St. Louis today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Colorado?

Cheapflights helps you find that perfect flight to Colorado from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from St. Louis to Colorado with no change fees?

Yes, we can. To see specific flights from St. Louis to Colorado with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St. Louis to Colorado become cheaper?

Yes! Start tracking prices for St. Louis to Colorado flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Can I find deals on last-minute flights from St. Louis to Colorado?

Yes, you can often find last-minute deals on St. Louis to Colorado flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

How can I compare prices from different travel booking sites for flights from St. Louis to Colorado?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from St. Louis to Colorado that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.

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