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 $45 One Way, $86 Round Trip

Prices starting at $86 for return flights and $45 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.

Sat, Dec 5 - Mon, Dec 7
DEN
Denver
STL
St. Louis
$86 Roundtrip, found 1 day ago
$86
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Dec 5 from Denver to St. Louis, returning Mon, Dec 7, priced at $86 found 1 day ago
Sat, Dec 5 - Mon, Dec 7
DEN
Denver
STL
St. Louis
$88 Roundtrip, found 1 day ago
$88
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Dec 5 from Denver to St. Louis, returning Mon, Dec 7, priced at $88 found 1 day ago
Sat, Oct 31 - Mon, Nov 2
DEN
Denver
STL
St. Louis
$90 Roundtrip, found 4 hours ago
$90
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, Oct 31 from Denver to St. Louis, returning Mon, Nov 2, priced at $90 found 4 hours ago
Thu, Nov 19 - Sat, Nov 21
DEN
Denver
STL
St. Louis
$100 Roundtrip, found 4 hours ago
$100
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Nov 19 from Denver to St. Louis, returning Sat, Nov 21, priced at $100 found 4 hours ago
Wed, Oct 14 - Mon, Oct 19
DEN
Denver
STL
St. Louis
$108 Roundtrip, found 4 hours ago
$108
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, Oct 14 from Denver to St. Louis, returning Mon, Oct 19, priced at $108 found 4 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
$90 nightly
The price is $106 total per night from Sep 28 to Sep 29
$106 total
Sep 28 - Sep 29
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 ...
Pear Tree Inn St. Louis Airport
Renaissance St. Louis Airport Hotel

Renaissance St. Louis Airport Hotel

4 out of 5
9801 Natural Bridge Road St. Louis MO
$118 nightly
The price is $138 total per night from Oct 11 to Oct 12
$138 total
Oct 11 - Oct 12
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy an outdoor pool, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful ...
8.4/10 Very Good! (1,185 reviews)
"We had a great experience at the hotel. The Internet you do have to pay extra for if you hook up your devices. Also parking is about $25 a night before taxes. All and all a good experience"

Reviewed on Sep 24, 2026

Renaissance St. Louis Airport Hotel
Drury Inn & Suites St. Louis Airport

Drury Inn & Suites St. Louis Airport

3 out of 5
10490 Natural Bridge Rd St. Louis MO
$115 nightly
The price is $135 total per night from Oct 4 to Oct 5
$135 total
Oct 4 - Oct 5
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! (1,424 reviews)
"Great breakfast great staff kept room cleaned and working air conditioning"

Reviewed on Sep 23, 2026

Drury Inn & Suites 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
$94 nightly
The price is $110 total per night from Oct 11 to Oct 12
$110 total
Oct 11 - Oct 12
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! (3,417 reviews)
"The staff is friendly and helpful. The place is very clean. Excellent breakfast. Highly recommend this hotel."

Reviewed on Sep 24, 2026

Clayton Plaza Hotel & Extended Stay
Hyatt Regency St. Louis at The Arch

Hyatt Regency St. Louis at The Arch

4 out of 5
315 Chestnut St St. Louis MO
$134 nightly
The price is $158 total per night from Oct 2 to Oct 3
$158 total
Oct 2 - Oct 3
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
Hyatt Regency St. Louis at The Arch
Pear Tree Inn St. Louis Airport

Pear Tree Inn St. Louis Airport

2.5 out of 5
10810 Pear Tree Ln St. Ann MO
$90 nightly
The price is $106 total per night from Sep 28 to Sep 29
$106 total
Sep 28 - Sep 29
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 ...
Pear Tree Inn 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.

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
$62 nightly
The price is $73 total per night from Oct 4 to Oct 5
$73 total
Oct 4 - Oct 5
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 (1,000 reviews)
"The owner and his wife at the front desk were incredibly rude to me. I had called from the airport and they told me they had a room available immediately for me to check in. Once I got there, I had to wait another hour and a half to check in because they said all of a sudden they didn’t have any ..."

Reviewed on Sep 22, 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 $170 total per night from Oct 2 to Oct 3
$170 total
Oct 2 - Oct 3
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! (1,000 reviews)
"On the first stay everything was great. On the second stay the room was about 95 degrees and took it 3 hours to cool off. Tried to contact desk and no answer twice. So fell asleep after 3am due to the heat. Was miserable"

Reviewed on Sep 22, 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 $164 total per night from Sep 26 to Sep 27
$164 total
Sep 26 - Sep 27
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! (1,003 reviews)
"If you want to stay in a dirty, rundown hotel, this is the place for you. My room was by far the dirtiest room I have ever stayed in. The carpet had not been vacuumed, and the bathtub was filthy. I was traveling from GA to MO and booked the room last minute so I could get some sleep before finishing ..."

Reviewed on Sep 21, 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
$62 nightly
The price is $73 total per night from Oct 4 to Oct 5
$73 total
Oct 4 - Oct 5
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 (1,000 reviews)
"The owner and his wife at the front desk were incredibly rude to me. I had called from the airport and they told me they had a room available immediately for me to check in. Once I got there, I had to wait another hour and a half to check in because they said all of a sudden they didn’t have any ..."

Reviewed on Sep 22, 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 Sep 27 to Sep 28
$98 total
Sep 27 - Sep 28
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 Gateway Arch and Busch Stadium are located ...
5.6/10 (858 reviews)
"Close to Down town and Americas Dome. Staff accommodated us to early check in and a freshly renovated room."

Reviewed on Sep 11, 2026

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 2 to Oct 3
$158 total
Oct 2 - Oct 3
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! (3,773 reviews)
"Great over all!!"

Reviewed on Sep 24, 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
$117 nightly
The price is $137 total per night from Sep 28 to Sep 29
$137 total
Sep 28 - Sep 29
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! (2,205 reviews)
"Very pleasant and helpful staff."

Reviewed on Sep 23, 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

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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