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, $74 Round Trip

Prices starting at $74 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.

Fri, Nov 13 - Sat, Nov 14
DEN
Denver
STL
St. Louis
$74 Roundtrip, found 15 hours ago
$74
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Fri, Nov 13 from Denver to St. Louis, returning Sat, Nov 14, priced at $74 found 15 hours ago
Fri, Dec 11 - Mon, Dec 14
DEN
Denver
STL
St. Louis
$80 Roundtrip, found 10 hours ago
$80
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Fri, Dec 11 from Denver to St. Louis, returning Mon, Dec 14, priced at $80 found 10 hours ago
Wed, Dec 16 - Mon, Dec 21
DEN
Denver
STL
St. Louis
$111 Roundtrip, found 3 days ago
$111
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Dec 16 from Denver to St. Louis, returning Mon, Dec 21, priced at $111 found 3 days ago
Fri, Dec 4 - Mon, Dec 7
DEN
Denver
STL
St. Louis
$112 Roundtrip, found 2 hours ago
$112
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Dec 4 from Denver to St. Louis, returning Mon, Dec 7, priced at $112 found 2 hours ago
Sat, Nov 14 - Sat, Nov 21
DEN
Denver
STL
St. Louis
$113 Roundtrip, found 10 hours ago
$113
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, Nov 14 from Denver to St. Louis, returning Sat, Nov 21, priced at $113 found 10 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
$88 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. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.4/10 Exceptional! (3,312 reviews)
"A night lite in the bathroom would have been helpful. The bracket holding the ironing board in the closet is too low and the stored board goes across the closet making it difficult to hang clothes."

Reviewed on Oct 19, 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
$113 nightly
The price is $134 total per night from Oct 25 to Oct 26
$134 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 free parking. Our guests praise the breakfast and the helpful ...
9.2/10 Wonderful! (1,440 reviews)
"Very hospitable staff, The breakfast was good and the evening kickback snacks and drink was a great option as well. I will definitely stay here again in the future"

Reviewed on Oct 18, 2026

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 $114 total per night from Oct 26 to Oct 27
$114 total
Oct 26 - Oct 27
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

Pear Tree Inn St. Louis Airport

Pear Tree Inn St. Louis Airport

2.5 out of 5
10810 Pear Tree Ln St. Ann MO
$88 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. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.4/10 Exceptional! (3,312 reviews)
"A night lite in the bathroom would have been helpful. The bracket holding the ironing board in the closet is too low and the stored board goes across the closet making it difficult to hang clothes."

Reviewed on Oct 19, 2026

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

Clayton Plaza Hotel & Extended Stay

3.5 out of 5
7750 Carondelet Avenue St. Louis MO
$92 nightly
The price is $108 total per night from Nov 1 to Nov 2
$108 total
Nov 1 - Nov 2
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 ...
9/10 Wonderful! (3,506 reviews)
"Very nice experience. The hotel was older, but it was clean."

Reviewed on Oct 19, 2026

Clayton Plaza Hotel & Extended Stay
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
$135 nightly
The price is $158 total per night from Oct 25 to Oct 26
$158 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 2 hot tubs. Our guests praise the breakfast and the pool in our ...
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)
"For the price and the proximity to the airport, one can overlook various issues (electrical outlets without covers, loose faucet, worn furniture, etc). Just don't expect the Hilton. Thats next door."

Reviewed on Oct 18, 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! (1,002 reviews)
"Ordered food that took 2 hours and several calls to the management. Even then the food was clearly overdone and almost inedible."

Reviewed on Oct 18, 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
$128 nightly
The price is $154 total per night from Nov 19 to Nov 20
$154 total
Nov 19 - Nov 20
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 ...
7.6/10 Good! (1,002 reviews)
"Lighting fixtures and tower two is not maintained as well as tower one"

Reviewed on Oct 18, 2026

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)
"For the price and the proximity to the airport, one can overlook various issues (electrical outlets without covers, loose faucet, worn furniture, etc). Just don't expect the Hilton. Thats next door."

Reviewed on Oct 18, 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
$79 nightly
The price is $92 total per night from Nov 16 to Nov 17
$92 total
Nov 16 - Nov 17
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
$135 nightly
The price is $158 total per night from Oct 25 to Oct 26
$158 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 2 hot tubs. Our guests praise the breakfast and the pool in our ...
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
$106 nightly
The price is $124 total per night from Oct 26 to Oct 27
$124 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 free parking. Our guests praise the breakfast and the restaurant ...
8.8/10 Excellent! (2,248 reviews)
"The staff is great and tries their best to make the experience pleasant for the guests. Unfortunately the property is very run down which makes things difficult for the staff. The rooms smell like sewer gas and are dirty. Our HVAC unit didn’t work but luckily the weather was nice. Upper management ..."

Reviewed on Oct 18, 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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