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Cheap flights from St. Louis (STL) to Colorado from $45

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 5/28. 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
May 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
1 adult, Economy
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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 28 days before your planned departure. Booking around this time can save you about 84% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $135 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $281.

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 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 2,752,338 searches. Data last updated May 8, 2024.
Peruse some of the lowest-priced Frontier flights we've found from St. Louis to Colorado. It's recommended that users confirm their flight details before booking.
Tue 6/410:44 pmSTL - DEN
Nonstop2h 36mFrontier
Sat 6/86:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/7$57
Sat 6/298:02 pmSTL - DEN
Nonstop2h 30mFrontier
Tue 7/211:39 amDEN - STL
Nonstop2h 08mFrontier
Deal found 5/8$68
Tue 5/2110:44 pmSTL - DEN
Nonstop2h 36mFrontier
Wed 5/226:26 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/7$69
Wed 5/228:04 pmSTL - DEN
Nonstop2h 31mFrontier
Wed 5/296:26 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/8$70
Sat 6/18:04 pmSTL - DEN
Nonstop2h 31mFrontier
Wed 6/56:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/7$73
Tue 5/2110:44 pmSTL - DEN
Nonstop2h 36mFrontier
Tue 5/2810:00 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/8$79
Tue 6/113:47 pmSTL - DEN
Nonstop2h 29mFrontier
Sat 6/226:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/6$80
Tue 7/910:32 pmSTL - DEN
Nonstop2h 29mFrontier
Fri 7/126:26 amDEN - STL
Nonstop2h 11mFrontier
Deal found 5/7$82
Tue 5/2110:44 pmSTL - DEN
Nonstop2h 36mFrontier
Tue 5/2810:00 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/7$84

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 2,752,338 searches. Data last updated May 8, 2024.
Take a gander at the lowest prices we've found on Delta 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.
Sat 6/15:30 pmSTL - DEN
1 stop6h 44mDelta
Wed 6/56:10 pmDEN - STL
1 stop5h 46mDelta
Deal found 5/7$192
Wed 6/53:05 pmSTL - DEN
1 stop5h 44mDelta
Sat 6/82:26 pmDEN - STL
1 stop6h 29mDelta
Deal found 5/8$196
Sat 6/155:26 pmSTL - DEN
1 stop6h 16mDelta
Wed 6/196:36 pmDEN - STL
1 stop5h 22mDelta
Deal found 5/6$208
Fri 6/75:25 pmSTL - DEN
1 stop8h 03mDelta
Tue 6/112:26 pmDEN - STL
1 stop6h 29mDelta
Deal found 5/7$216
Mon 6/106:25 pmSTL - DEN
1 stop5h 29mDelta
Wed 6/196:36 pmDEN - STL
1 stop5h 22mDelta
Deal found 5/6$228
Thu 6/137:55 amSTL - DEN
1 stop8h 41mDelta
Mon 6/1712:55 amDEN - STL
1 stop7h 15mDelta
Deal found 5/8$232
Fri 5/246:50 pmSTL - DEN
1 stop5h 24mDelta
Tue 5/2812:30 amDEN - STL
1 stop7h 35mDelta
Deal found 5/8$234
Tue 5/213:05 pmSTL - DEN
1 stop5h 44mDelta
Wed 5/2212:30 amDEN - STL
1 stop7h 24mDelta
Deal found 5/7$254
Tue 5/215:30 pmSTL - DEN
1 stop6h 44mDelta
Fri 5/246:10 pmDEN - STL
1 stop5h 36mDelta
Deal found 5/7$268

Cheap St. Louis to Colorado flights in May & June 2024

Find cheap flight options from St. Louis to Colorado specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 8, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Colorado in May and June 2024. For more flight deals, be sure to check back very soon.
Tue 6/410:44 pmSTL - DEN
Nonstop2h 36mFrontier
Sat 6/86:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/7$57
Tue 5/2110:44 pmSTL - DEN
Nonstop2h 36mFrontier
Wed 5/226:26 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/7$69
Wed 5/228:04 pmSTL - DEN
Nonstop2h 31mFrontier
Wed 5/296:26 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/8$70
Sat 6/18:04 pmSTL - DEN
Nonstop2h 31mFrontier
Wed 6/56:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/7$73
Sat 6/228:02 pmSTL - DEN
Nonstop2h 30mFrontier
Sat 6/296:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/6$79
Tue 6/113:47 pmSTL - DEN
Nonstop2h 29mFrontier
Sat 6/226:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/6$80
Tue 5/2110:44 pmSTL - DEN
Nonstop2h 36mFrontier
Tue 5/2810:00 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/7$84
Sat 5/258:04 pmSTL - DEN
Nonstop2h 31mFrontier
Wed 5/296:26 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/7$88
Wed 6/268:02 pmSTL - DEN
Nonstop2h 30mFrontier
Tue 7/308:44 amDEN - STL
Nonstop2h 06mFrontier
Deal found 5/6$89

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 2,752,338 searches. Data last updated May 8, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Colorado in May and June 2024. For more flight deals, be sure to check back very soon.
Tue 5/2110:44 pmSTL - DEN
Nonstop2h 36mFrontier
Wed 5/226:26 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/7$69
Wed 5/228:04 pmSTL - DEN
Nonstop2h 31mFrontier
Wed 5/296:26 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/8$70
Sat 6/18:04 pmSTL - DEN
Nonstop2h 31mFrontier
Wed 6/56:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/7$73
Sat 6/228:02 pmSTL - DEN
Nonstop2h 30mFrontier
Sat 6/296:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/6$79
Tue 6/113:47 pmSTL - DEN
Nonstop2h 29mFrontier
Sat 6/226:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/6$80
Tue 7/910:32 pmSTL - DEN
Nonstop2h 29mFrontier
Fri 7/126:26 amDEN - STL
Nonstop2h 11mFrontier
Deal found 5/7$82
Tue 5/2110:44 pmSTL - DEN
Nonstop2h 36mFrontier
Tue 5/2810:00 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/7$84
Sat 5/258:04 pmSTL - DEN
Nonstop2h 31mFrontier
Wed 5/296:26 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/7$88
Wed 6/268:02 pmSTL - DEN
Nonstop2h 30mFrontier
Tue 7/308:44 amDEN - STL
Nonstop2h 06mFrontier
Deal found 5/6$89

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 2,752,338 searches. Data last updated May 8, 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 6/410:44 pmSTL - DEN
Nonstop2h 36mFrontier
Sat 6/86:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/7$57
Tue 5/2110:44 pmSTL - DEN
Nonstop2h 36mFrontier
Wed 5/226:26 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/7$69
Wed 5/228:04 pmSTL - DEN
Nonstop2h 31mFrontier
Wed 5/296:26 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/8$70
Sat 6/18:04 pmSTL - DEN
Nonstop2h 31mFrontier
Wed 6/56:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/7$73
Tue 5/2110:44 pmSTL - DEN
Nonstop2h 36mFrontier
Tue 5/2810:00 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/8$79
Tue 6/113:47 pmSTL - DEN
Nonstop2h 29mFrontier
Sat 6/226:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/6$80
Tue 7/910:32 pmSTL - DEN
Nonstop2h 29mFrontier
Fri 7/126:26 amDEN - STL
Nonstop2h 11mFrontier
Deal found 5/7$82
Tue 5/2110:44 pmSTL - DEN
Nonstop2h 36mFrontier
Tue 5/2810:00 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/7$84
Tue 5/2110:44 pmSTL - DEN
Nonstop2h 36mFrontier
Sat 5/256:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/8$86

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 2,752,338 searches. Data last updated May 8, 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.
Tue 5/2110:44 pmSTL - DEN
Nonstop2h 36mFrontier
Tue 5/2810:00 amDEN - STL
Nonstop2h 09mFrontier
Deal found 5/7$84
Tue 5/144:50 pmSTL - DEN
Nonstop2h 30mFrontier
Sat 5/186:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/6$128
Tue 5/144:50 pmSTL - DEN
Nonstop2h 30mFrontier
Sat 5/186:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/6$129
Wed 5/228:04 pmSTL - DEN
Nonstop2h 31mFrontier
Thu 5/236:54 pmDEN - STL
Nonstop2h 12mFrontier
Deal found 5/7$137
Tue 5/2110:44 pmSTL - DEN
Nonstop2h 36mFrontier
Thu 5/236:54 pmDEN - STL
Nonstop2h 12mFrontier
Deal found 5/7$138
Tue 5/144:50 pmSTL - DEN
Nonstop2h 30mFrontier
Sat 5/186:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/8$144
Fri 5/178:45 pmSTL - DEN
Nonstop2h 31mFrontier
Mon 5/206:26 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/7$145
Thu 5/1611:06 pmSTL - DEN
Nonstop2h 27mFrontier
Mon 5/206:26 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/7$148
Tue 5/144:50 pmSTL - DEN
Nonstop2h 30mFrontier
Fri 5/176:26 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/6$149

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 2,752,338 searches. Data last updated May 8, 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.
Tue 5/2810:44 pmSTL - DEN
Nonstop2h 36mFrontier
Deal found 5/7$45
Thu 8/83:53 pmSTL - DEN
Nonstop2h 24mFrontier
Deal found 5/7$55
Wed 6/58:02 pmSTL - DEN
Nonstop2h 30mFrontier
Deal found 5/7$64
Wed 5/158:04 pmSTL - DEN
Nonstop2h 31mFrontier
Deal found 5/7$65
Mon 6/38:04 pmSTL - DEN
Nonstop2h 31mFrontier
Deal found 5/7$70
Thu 6/63:32 pmSTL - DEN
Nonstop2h 29mFrontier
Deal found 5/7$75
Fri 5/178:45 pmSTL - DEN
Nonstop2h 31mFrontier
Deal found 5/7$84
Fri 5/178:45 pmSTL - DEN
Nonstop2h 31mFrontier
Deal found 5/7$85
Wed 6/53:05 pmSTL - DEN
1 stop5h 44mDelta
Deal found 5/7$88

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 2,752,338 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$57 - $195

Route

Depart

Return

Price

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Tue 6/4

Nonstop2h 36m

Denver Intl

Sat 6/8

Nonstop2h 09m

$57

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Sat 6/29

Nonstop2h 30m

Denver Intl

Tue 7/2

Nonstop2h 08m

$68

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Tue 5/21

Nonstop2h 36m

Denver Intl

Wed 5/22

Nonstop2h 10m

$69

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Wed 5/22

Nonstop2h 31m

Denver Intl

Wed 5/29

Nonstop2h 10m

$70

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Sat 6/1

Nonstop2h 31m

Denver Intl

Wed 6/5

Nonstop2h 09m

$73

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Tue 5/21

Nonstop2h 36m

Denver Intl

Tue 5/28

Nonstop2h 09m

$79

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Sun 5/26

1 stop15h 40m

Denver Intl

Tue 5/28

Nonstop2h 09m

$121

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Sat 6/1

1 stop6h 44m

Denver Intl

Wed 6/5

1 stop5h 46m

$192

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Wed 8/14

1 stop7h 18m

Denver Intl

Sat 8/17

1 stop7h 12m

$195

Flights are sorted by cheapest first

Deals found on 5/7

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 May 8, 2024.
Read through reviews of airlines operating flights from St. Louis to Colorado, such as Frontier, Delta and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,141 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,141 reviews
Alaska Airlines
8.1
Very good
9,141 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
10,789 reviews
Alaska Airlines
8.1
Very good
9,141 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,043 reviews
Alaska Airlines
8.1
Very good
9,141 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,677 reviews
Alaska Airlines
8.1
Very good
9,141 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Sun Country Air
7.2
Good
640 reviews
Alaska Airlines
8.1
Very good
9,141 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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 $57, but on average you can expect to pay $84.

  • 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 $86.

  • Are there last-minute flights available from St. Louis to Colorado for under $100?

    There are currently 20+ open flights from St. Louis to Colorado within the next 7 days for less than $100.

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

    Nonstop flights are available for this route on the following days: Wednesday, Thursday, Saturday.

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

    This flight path from Lambert-St Louis to Colorado was viewed by 209 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    3 flight departures from St. Louis to Colorado per day on average.
    Morning (6am - Noon) - 33% of flight departures
    Afternoon (Noon - 6pm) - 67% 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 36m. 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 $45. Users have also found prices from $88 and $100 on Delta and United Airlines, respectively.

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

    When deciding which route to take from St. Louis to Colorado consider Lambert-St Louis - Denver Intl, Lambert-St Louis - Colorado Springs or Lambert-St Louis - Aspen Pitkin County as they are the most popular.

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

    The most popular airlines flying from St. Louis to Colorado are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

  • 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 United Airlines (83%), Air Canada (81%) and Frontier (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 $967. The most popular route, (Lambert-St Louis - Denver Intl), can usually be booked for $74.

  • 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), Durango La Plata County Airport (DRO), Aspen Pitkin County Airport (ASE), Montrose County Airport (MTJ) 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 on your St. Louis to Colorado flight 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 St. Louis to Colorado 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 find direct flights from St. Louis to Colorado.

  • 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 flying from St. Louis to Colorado 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.

  • 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 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 5/8.

See more FAQs

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See prices for flight routes from nearby airports that may be better suited for you.

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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 2,752,338 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$39Average$123FlexibilityNo cancel feeOn-time62%
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United AirlinesCheapest$119Average$517FlexibilityNo cancel feeOn-time69%
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DeltaCheapest$193Average$299FlexibilityNo cancel feeOn-timeN/A
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American AirlinesCheapest$193Average$467FlexibilityNo cancel feeOn-time71%
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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.
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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 May 8, 2024.
7%of flight departuresEarly morningMidnight to 6 am
35%of flight departuresMorning6 am to noon
44%of flight departuresAfternoonNoon to 6 pm
14%of flight departuresEvening6 pm to midnight
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6 AM
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6 PM

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