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

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The best prices from Denver to Lambert-St Louis Intl are usually found in October or September, booked 14 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

How to find the cheapest flight from
Denver (DEN) to Lambert-St Louis Intl (STL)

DEN - STL
Price
$121 - $261
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches

Popular in

December

High demand for flights, 37% potential price rise

Cheapest in

October

Best time to find cheap flights, 26% potential price drop

Round-trip from

$121

From Denver to Lambert-St Louis Intl

One-way from

$66

One-way flight from Denver to Lambert-St Louis Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Denver to Lambert-St Louis Intl?

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Lambert-St Louis Intl. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Denver to Lambert-St Louis Intl?

To save up to 33% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Denver to Lambert-St Louis Intl from $143 1-2 weeks out and tickets from $179 for flights departing within the next 72 hours.

What is the cheapest month to fly from Denver to Lambert-St Louis Intl?

Flights from Denver to Lambert-St Louis Intl lean towards being more expensive in July. Prices are generally better when you fly from Denver to Lambert-St Louis Intl in June, with the cheapest ticket starting at $77.

When is the cheapest time to fly from Denver to Lambert-St Louis Intl (DEN - STL)?

It’s optimal to fly from Denver to Lambert-St Louis Intl in the evening. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight in the afternoon.

Cheap flights from Denver to Lambert-St Louis Intl in February, March 2021

5 Mar - 8 Mar
$50pp
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
4 Mar - 5 Mar
$54pp
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
12 Mar - 16 Mar
$55pp
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl

Denver to Lambert-St Louis Intl 2021 flight deals

5 Mar - 8 Mar
$50pp
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
21 May - 23 May
$54pp
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
12 Mar - 16 Mar
$55pp
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl

Non-stop flights to Lambert-St Louis Intl from Denver

5 Mar - 8 Mar
$50pp
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
21 May - 23 May
$54pp
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
12 Mar - 16 Mar
$55pp
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl

Last minute flights from Denver to Lambert-St Louis Intl

5 Mar - 8 Mar
$50pp
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
4 Mar - 5 Mar
$54pp
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
5 Mar - 7 Mar
$55pp
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl

One-way flights to Lambert-St Louis Intl from Denver

10:41 am - 4:22 pm
American Airlines
1 Stop
4h 41m
DEN - STL
American Airlines
2:10 am - 12:40 pm
Delta
1 Stop
9h 30m
DEN - STL
Delta
$84
Delta
3:00 am - 3:41 am
Multiple Airlines
3 Stops
23h 41m
DEN - STL
Multiple Airlines
$95
mytrip.com

Related info for your journey

Flight FAQs

From Denver to Lambert-St Louis Intl

Are flight prices decreasing from Denver to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Denver and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Denver Intl to Lambert-St Louis to control the spread of COVID-19?

New policies can now be found on Delta to help keep travelers safe while flying. Some of the new policies that have been implemented to accommodate travelers flying from Denver Intl to Lambert-St Louis are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Denver Intl to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Denver Intl to Lambert-St Louis that may be offering flexible cancellation policies are Frontier, United Airlines, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Denver to Lambert-St Louis Intl for under $100 on Cheapflights?

Yes, there are multiple flights from Denver to Lambert-St Louis Intl for under $100. The cheapest flight booked recently is on Frontier for just $50, but on average you can expect to pay $79.

Are there nonstop flights from Denver to Lambert-St Louis Intl for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Denver to Lambert-St Louis Intl under $100. A good price for a nonstop flight from Denver to Lambert-St Louis Intl is less than $80.

Are there last-minute flights available from Denver to Lambert-St Louis Intl for under $100?

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

What days are nonstop flights available from Denver to St Louis?

You can find nonstop flights on the following days: Friday, Saturday.

How popular is this flight route?

Within the past month, 130 users have taken a look at flights from Denver Intl to Lambert-St Louis.

How many flights depart from Denver to Lambert-St Louis Intl on average per day?

Travelers can expect 3 flights from Denver Intl to Lambert-St Louis on average per day.
Morning (6am - Noon) - 67% of flight departures
Afternoon (Noon - 6pm) - 33% of flight departures

Does it rain more in Denver or St Louis?

In Denver, there will be less rainfall in Denver compared to St Louis over the next 6 days.

Is Denver weather warmer or cooler than St Louis?

We forecast the temperature to be around the 90 °F's in July, on average. The temperature in St Louis is generally the same as in Denver. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Denver to Lambert-St Louis Intl?

Airlines like Frontier and American Airlines fly from Denver to Lambert-St Louis Intl in about 1h 57m. The time it takes to get you to your destination can typically vary by up to 3h 12m. The distance between Denver and Lambert-St Louis Intl is about 772 mi. This flight may include one or multiple stops.

What is the cheapest airline to fly from Denver to Lambert-St Louis Intl round-trip?

Our cheapest airline available from Denver to Lambert-St Louis Intl is Frontier. Our recent data shows that you can find tickets from as low as $50 on this airline. Users have found that Frontier is 69% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Denver to Lambert-St Louis Intl one-way?

$25 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $64 and $79, respectively.

Alternative routes for Denver to Lambert-St Louis Intl

Destination information for Lambert-St Louis Intl

Flight duration
2h 15m
Average temperature for February in Lambert-St Louis Intl
48.2 °F
Avg rainfall for February in Lambert-St Louis Intl
2.2 ″

Airports servicing Denver

Airports servicing St. Louis

Top 5 airlines flying from Denver to Lambert-St Louis Intl

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$51 $144 No cancel fee 62%
American Airlines
$57 $156 No cancel fee 71%
Delta
$77 $225 No cancel fee N/A
Southwest
$63 $250 No cancel fee 63%
United Airlines
$85 $260 No cancel fee 69%

Hourly flight availability from Denver to Lambert-St Louis Intl

Afternoon Noon to 6 PM 56% of DEN to STL departures
Morning 6 AM to noon 42% of DEN to STL departures
Early morning Midnight to 6 AM 2% of DEN to STL departures
Evening 6 PM to midnight 0% of DEN to STL departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Denver to Lambert-St Louis Intl
Sunday
9 daily flights
Monday
10 daily flights
Tuesday
9 daily flights
Wednesday
10 daily flights
Thursday
9 daily flights
Friday
9 daily flights
Saturday
4 daily flights
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