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 $54 One Way, $115 Round Trip

Prices starting at $115 for return flights and $54 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.

Tue, Jul 28 - Wed, Aug 5
DEN
Denver
STL
St. Louis
$115 Roundtrip, found 9 hours ago
$115
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Tue, Jul 28 from Denver to St. Louis, returning Wed, Aug 5, priced at $115 found 9 hours ago
Mon, Sep 28 - Mon, Oct 5
DEN
Denver
STL
St. Louis
$118 Roundtrip, found 1 hour ago
$118
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Sep 28 from Denver to St. Louis, returning Mon, Oct 5, priced at $118 found 1 hour ago
Tue, Jul 7 - Wed, Jul 15
DEN
Denver
STL
St. Louis
$119 Roundtrip, found 1 day ago
$119
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jul 7 from Denver to St. Louis, returning Wed, Jul 15, priced at $119 found 1 day ago
Mon, Aug 10 - Wed, Aug 12
DEN
Denver
STL
St. Louis
$130 Roundtrip, found 13 hours ago
$130
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Mon, Aug 10 from Denver to St. Louis, returning Wed, Aug 12, priced at $130 found 13 hours ago
Tue, Jul 28 - Wed, Aug 5
DEN
Denver
STL
St. Louis
$210 Roundtrip, found 9 hours ago
$210
Roundtrip
found 9 hours ago
Select Southwest Airlines flight, departing Tue, Jul 28 from Denver to St. Louis, returning Wed, Aug 5, priced at $210 found 9 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 Jun 29 to Jun 30
$106 total
Jun 29 - Jun 30
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! (3,025 reviews)
"The staff was exceptionally friendly and the rooms were very clean. We enjoyed the complimentary breakfast and were pleasantly surprised that not only was cereal, milk, yogurt, fruit, muffins, etc offered, there was also biscuits, gravy, sausage patties, eggs, and waffles. The only issue we ran into ..."

Reviewed on Jun 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
$123 nightly
The price is $144 total per night from Jul 12 to Jul 13
$144 total
Jul 12 - Jul 13
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! (1,276 reviews)
"The staff was very friendly and helpful. The room was clean and large enough to accommodate two adults and two grandchildren. The free breakfast had lots of options and was tasty. The free pulled pork BBQ dinner was a surprise and it was nice to have the free cocktails. Grandchildren enjoyed the ..."

Reviewed on Jun 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
$115 nightly
The price is $135 total per night from Jul 5 to Jul 6
$135 total
Jul 5 - Jul 6
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 ...
9.2/10 Wonderful! (1,652 reviews)
"Clean installation and friendly staff."

Reviewed on Jun 18, 2026

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

Hyatt Regency St. Louis at The Arch

Hyatt Regency St. Louis at The Arch

4 out of 5
315 Chestnut St St. Louis MO
$143 nightly
The price is $169 total per night from Jun 28 to Jun 29
$169 total
Jun 28 - Jun 29
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 ...
8.6/10 Excellent! (4,120 reviews)
"I loved the location of the property and the view of the St. Louis Arch. The convenience of having a full service Starbucks on property was great."

Reviewed on Jun 19, 2026

Hyatt Regency St. Louis at The Arch
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 Jul 19 to Jul 20
$110 total
Jul 19 - Jul 20
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! (3,236 reviews)
"Such a great stay! Great neighborhood. Great hotel. Great staff. Great breakfast. I’ll definitely book again."

Reviewed on Jun 19, 2026

Clayton Plaza Hotel & Extended Stay
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
$122 nightly
The price is $143 total per night from Jun 28 to Jun 29
$143 total
Jun 28 - Jun 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! (2,010 reviews)
"Room was clean staff were lovely"

Reviewed on Jun 17, 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.

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
$58 nightly
The price is $69 total per night from Jul 19 to Jul 20
$69 total
Jul 19 - Jul 20
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 ...
6.2/10 (1,003 reviews)
"Staff was attentative, room was clean; but seeing used condoms around the property was a but disheartening."

Reviewed on Jun 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
$140 nightly
The price is $167 total per night from Jul 4 to Jul 5
$167 total
Jul 4 - Jul 5
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)
"Great service and responsive to any issues. Carpet in room had a smell. Maintenance was very responsive to address the issue. However, I think corporate should have a better schedule to replace the carpet. It was obvious that it had far passed its useful life."

Reviewed on Jun 11, 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
$157 nightly
The price is $187 total per night from Jun 27 to Jun 28
$187 total
Jun 27 - Jun 28
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! (1,000 reviews)
"We have stayed on this property on numerous occasions over the years. What we have noticed is a steady decline in the cleanliness of the rooms, amenities offered (no coffee available anymore prior to boarding a shuttle (yes, they do have an area you can purchase coffee but for 200+ per night? Jeez....give ..."

Reviewed on Jun 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
$58 nightly
The price is $69 total per night from Jul 19 to Jul 20
$69 total
Jul 19 - Jul 20
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 ...
6.2/10 (1,003 reviews)
"Staff was attentative, room was clean; but seeing used condoms around the property was a but disheartening."

Reviewed on Jun 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
$84 nightly
The price is $98 total per night from Jun 29 to Jun 30
$98 total
Jun 29 - Jun 30
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 (848 reviews)
"Unfortunately, there was an unexpected sinkhole near the property right before we were scheduled to arrive. This made finding a way into the parking lot difficult, but the attendant on staff was very helpful. I would consider this a one star motel in terms of amenities, updates, comfortable beds, ..."

Reviewed on Jun 18, 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 Magic House - St. Louis Children's ...

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
$153 nightly
The price is $179 total per night from Jun 28 to Jun 29
$179 total
Jun 28 - Jun 29
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! (3,483 reviews)
"It was a great stay. The only problem was our room window liked into the hallway looking at the elevator."

Reviewed on Jun 18, 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
$122 nightly
The price is $143 total per night from Jun 28 to Jun 29
$143 total
Jun 28 - Jun 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! (2,010 reviews)
"Room was clean staff were lovely"

Reviewed on Jun 17, 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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