Cheap flights from DEN to STL (Denver Intl. to Lambert-St. Louis Intl.)

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Cheap Flights from DEN to STL starting at $43 One Way, $80 Round Trip

Prices starting at $80 for return flights and $43 for one-way flights to Lambert-St. Louis Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Dec 7 - Mon, Dec 14
DEN
Denver
STL
St. Louis
$80 Roundtrip, found 5 days ago
$80
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Mon, Dec 7 from Denver to St. Louis, returning Mon, Dec 14, priced at $80 found 5 days ago
Wed, Nov 18 - Wed, Dec 2
DEN
Denver
STL
St. Louis
$86 Roundtrip, found 7 hours ago
$86
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Wed, Nov 18 from Denver to St. Louis, returning Wed, Dec 2, priced at $86 found 7 hours ago
Fri, Dec 11 - Mon, Dec 14
DEN
Denver
STL
St. Louis
$88 Roundtrip, found 1 hour ago
$88
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Dec 11 from Denver to St. Louis, returning Mon, Dec 14, priced at $88 found 1 hour ago
Fri, Nov 13 - Sat, Nov 14
DEN
Denver
STL
St. Louis
$95 Roundtrip, found 6 days ago
$95
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Nov 13 from Denver to St. Louis, returning Sat, Nov 14, priced at $95 found 6 days ago
Mon, Feb 1 - Wed, Feb 3
DEN
Denver
STL
St. Louis
$98 Roundtrip, found 2 hours ago
$98
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Feb 1 from Denver to St. Louis, returning Wed, Feb 3, priced at $98 found 2 hours ago

Hotel Ideas near Lambert-St. Louis Intl.

Airport Hotels near Lambert-St. Louis Intl.

Pear Tree Inn St. Louis Airport

Pear Tree Inn St. Louis Airport

2.5 out of 5
10810 Pear Tree Ln St. Ann MO
$87 nightly
The price is $104 total per night from Nov 4 to Nov 5
$104 total
Nov 4 - Nov 5
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.2/10 Wonderful! (3,290 reviews)
"The property was great but the breakfast menu was the same every morning. I would’ve liked a little more variety. The happy hour cocktails were nice. The room and property were clean. I would’ve liked highly recommend thus property."

Reviewed on Oct 14, 2026

Pear Tree Inn St. Louis Airport
Drury Inn & Suites St. Louis Airport

Drury Inn & Suites St. Louis Airport

3 out of 5
10490 Natural Bridge Rd St. Louis MO
$112 nightly
The price is $133 total per night from Oct 18 to Oct 19
$133 total
Oct 18 - Oct 19
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
Drury Inn & Suites St. Louis Airport
Wingate by Wyndham St. Louis Airport

Wingate by Wyndham St. Louis Airport

3 out of 5
10820 Pear Tree Lane St. Ann MO
$97 nightly
The price is $115 total per night from Oct 20 to Oct 21
$115 total
Oct 20 - Oct 21
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
Wingate by Wyndham St. Louis Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Hotels In St. Louis

Clayton Plaza Hotel & Extended Stay

Clayton Plaza Hotel & Extended Stay

3.5 out of 5
7750 Carondelet Avenue St. Louis MO
$89 nightly
The price is $104 total per night from Oct 25 to Oct 26
$104 total
Oct 25 - Oct 26
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast and ...
8.8/10 Excellent! (3,487 reviews)
"Hotel staff were excellent, friendly, professional and by far the best reason to re-book. The hotel itself was very clean, located near professional buildings/courts and some eateries within walking distance. The room was clean as well and nicely proportioned with some of the best mattresses/bedding ..."

Reviewed on Oct 13, 2026

Clayton Plaza Hotel & Extended Stay
Pear Tree Inn St. Louis Airport

Pear Tree Inn St. Louis Airport

2.5 out of 5
10810 Pear Tree Ln St. Ann MO
$87 nightly
The price is $104 total per night from Nov 4 to Nov 5
$104 total
Nov 4 - Nov 5
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.2/10 Wonderful! (3,290 reviews)
"The property was great but the breakfast menu was the same every morning. I would’ve liked a little more variety. The happy hour cocktails were nice. The room and property were clean. I would’ve liked highly recommend thus property."

Reviewed on Oct 14, 2026

Pear Tree Inn St. Louis Airport
Drury Plaza Hotel St. Louis at the Arch

Drury Plaza Hotel St. Louis at the Arch

3 out of 5
2 South 4th Street St. Louis MO
$134 nightly
The price is $157 total per night from Oct 26 to Oct 27
$157 total
Oct 26 - Oct 27
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and 2 hot tubs. Our guests praise the breakfast and the pool in our ...
9.6/10 Exceptional! (3,797 reviews)
"I loved the happy hour, you get a voucher for 3 free alcoholic beverages and the food was delicious."

Reviewed on Oct 13, 2026

Drury Plaza Hotel St. Louis at the Arch
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

St. Louis Hotels With Airport Transportation

Quality Inn Saint Louis Airport

Quality Inn Saint Louis Airport

2.5 out of 5
10232 Natural Bridge Rd St. Louis MO
$59 nightly
The price is $69 total per night from Nov 1 to Nov 2
$69 total
Nov 1 - Nov 2
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, a free airport shuttle, and parking (surcharge). Our guests praise the helpful staff ...
6/10 (1,006 reviews)
"Our stay was short and accommodating"

Reviewed on Oct 11, 2026

Quality Inn Saint Louis Airport
Marriott St. Louis Airport

Marriott St. Louis Airport

4 out of 5
10700 Pear Tree Lane St. Louis MO
$143 nightly
The price is $172 total per night from Oct 30 to Oct 31
$172 total
Oct 30 - Oct 31
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy breakfast (surcharge), a free airport shuttle, and room service. Our guests praise the helpful ...
8/10 Very Good! (1,003 reviews)
"n/a"

Reviewed on Oct 9, 2026

Marriott St. Louis Airport
Hilton St. Louis Airport

Hilton St. Louis Airport

3.5 out of 5
10330 Natural Bridge Rd St. Louis MO
$137 nightly
The price is $165 total per night from Nov 13 to Nov 14
$165 total
Nov 13 - Nov 14
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy 2 restaurants, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful ...
Hilton St. Louis Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Low Priced St. Louis Hotels

Quality Inn Saint Louis Airport

Quality Inn Saint Louis Airport

2.5 out of 5
10232 Natural Bridge Rd St. Louis MO
$59 nightly
The price is $69 total per night from Nov 1 to Nov 2
$69 total
Nov 1 - Nov 2
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, a free airport shuttle, and parking (surcharge). Our guests praise the helpful staff ...
6/10 (1,006 reviews)
"Our stay was short and accommodating"

Reviewed on Oct 11, 2026

Quality Inn Saint Louis Airport
Americas Best Value Inn St. Louis Downtown

Americas Best Value Inn St. Louis Downtown

2 out of 5
1100 Lumiere Place Boulevard St. Louis MO
$84 nightly
The price is $98 total per night from Oct 18 to Oct 19
$98 total
Oct 18 - Oct 19
Total with taxes and fees
Stay at this motel in St. Louis. Enjoy free WiFi, free parking, and a 24-hour front desk. Popular attractions Enterprise Center and St. Louis Union Station are ...
Americas Best Value Inn St. Louis Downtown
OYO Hotel St. Louis Downtown City Center MO

OYO Hotel St. Louis Downtown City Center MO

3.5 out of 5
400 S 14th St St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, a fitness center, and parking (surcharge). Our guests praise the helpful staff and ...
6.6/10 (1,000 reviews)
"Definitely an older hotel. Overall the room was kinda dingy."

Reviewed on Apr 11, 2024

Get rates
OYO Hotel St. Louis Downtown City Center MO
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Family Friendly Hotels in St. Louis

Days Inn by Wyndham St. Louis Lindbergh Boulevard

Days Inn by Wyndham St. Louis Lindbergh Boulevard

2.5 out of 5
South Lindbergh Boulevard, 3660 St. Louis MO
Book a stay at this family-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Laumeier Sculpture Park and Powder ...

Families like: Indoor pool, playground, game room, cribs

Get rates
Days Inn by Wyndham St. Louis Lindbergh Boulevard
Drury Plaza Hotel St. Louis at the Arch

Drury Plaza Hotel St. Louis at the Arch

3 out of 5
2 South 4th Street St. Louis MO
$134 nightly
The price is $157 total per night from Oct 26 to Oct 27
$157 total
Oct 26 - Oct 27
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and 2 hot tubs. Our guests praise the breakfast and the pool in our ...
9.6/10 Exceptional! (3,797 reviews)
"I loved the happy hour, you get a voucher for 3 free alcoholic beverages and the food was delicious."

Reviewed on Oct 13, 2026

Drury Plaza Hotel St. Louis at the Arch
Pear Tree Inn St. Louis Near Union Station

Pear Tree Inn St. Louis Near Union Station

3 out of 5
2211 Market Street St. Louis MO
$103 nightly
The price is $120 total per night from Oct 18 to Oct 19
$120 total
Oct 18 - Oct 19
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the restaurant ...
8.8/10 Excellent! (2,245 reviews)
"The property itself was maintained ok. It does need to be updated as the carpets and bathrooms are old. Our ceiling in the bathroom was peeling due to the humidity from the shower over the years. The carpet in the rooms and common areas is older. As for the staff everyone was nice and did what was ..."

Reviewed on Oct 13, 2026

Pear Tree Inn St. Louis Near Union Station
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

DEN to STL Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
DEN Address & GPS
Address:
8500 Pena Boulevard
Denver CO, 80249-6340
United States
IATA Code:
DEN
Longitude:
-104.673098
Latitude:
39.851382
Time Zone:
America/Denver
STL Address & GPS
Address:
10701 Lambert International Blvd.
Saint Louis MO, 63145
United States
IATA Code:
STL
Longitude:
-90.379002
Latitude:
38.748707
Time Zone:
America/Chicago

Frequently asked questions

Are there non-stop flights from DEN to Lambert Field?
Yep, your unforgettable vacation is just one simple flight away. Wonderful news, isn't it? Travel comfortably on board one of 3 reputable carriers that fly direct from DEN to STL. Popular picks include:

  • Southwest Airlines
  • United Airlines
  • Frontier Airlines

What is the shortest flight from Denver Airport to St. Louis Lambert International Airport?
Few things are better than a spontaneous getaway. With the flight from Denver to St. Louis being just 2 hours, there's no excuse not to take one.
How many hours flight from DEN to Lambert Field?
It takes a leisurely 2 hours and 5 minutes on average to get from DIA airport to Lambert Field. Pull out your guide book and start circling the spots you want to visit. It won't be long before you'll be seeing them for yourself.
What airlines have the most flights from Denver Airport to St. Louis Lambert International Airport?
Escaping on vacation is one of life's greatest pleasures, but how you arrive at your destination should be just as enjoyable. Look into booking your flight from Denver Intl. Airport (DEN) to Lambert Field with Frontier Airlines (F9). One of the most popular carriers, it offers 26 flights on this route each month. Alternatively, secure your favorite aisle (or window) seat with United Airlines (UA). You'll have 152 monthly flights between Denver and St. Louis to select from with this company.

Map To Nearby Hotels

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.

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