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Cheap flights from St. Louis to Denver from $217

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Denver departing on 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:48 pm - 8:30 pm
STL
-
EGE
4h 42m
1 stop
United Airlines Logo
1:25 pm - 8:43 pm
EGE
-
STL
6h 18m
1 stop
$329United Airlines
Wed, May 27 - Wed, Jun 3
United Airlines Logo
6:00 am - 2:23 pm
STL
-
EGE
9h 23m
2 stops
United Airlines Logo
3:25 pm - 11:57 pm
EGE
-
STL
7h 32m
1 stop
$334United Airlines
Wed, May 27 - Wed, Jun 3
United Airlines Logo
1:18 pm - 6:05 pm
STL
-
EGE
5h 47m
1 stop
United Airlines Logo
7:15 am - 12:40 pm
EGE
-
STL
4h 25m
1 stop
$409United Airlines
Sat, Aug 29 - Wed, Sep 2
United Airlines Logo
8:00 am - 8:05 pm
STL
-
EGE
13h 05m
2 stops
United Airlines Logo
7:15 am - 12:40 pm
EGE
-
STL
4h 25m
1 stop
$414United Airlines
Sat, Aug 29 - Wed, Sep 2
United Airlines Logo
6:00 am - 8:30 pm
STL
-
EGE
15h 30m
2 stops
United Airlines Logo
7:15 am - 9:16 pm
EGE
-
STL
13h 01m
2 stops
$471United Airlines
Sat, Jun 13 - Sat, Jun 20
United Airlines Logo
8:54 am - 12:28 pm
STL
-
EGE
4h 34m
1 stop
United Airlines Logo
3:15 pm - 8:54 pm
EGE
-
STL
4h 39m
1 stop
$515United Airlines
Tue, Apr 7 - Sat, Apr 11
United Airlines Logo
11:15 am - 8:22 pm
STL
-
EGE
10h 07m
2 stops
United Airlines Logo
3:15 pm - 8:54 pm
EGE
-
STL
4h 39m
1 stop
$520United Airlines
Tue, Apr 7 - Sat, Apr 11
United Airlines Logo
6:00 am - 2:34 pm
STL
-
EGE
9h 34m
2 stops
United Airlines Logo
1:30 pm - 11:00 pm
EGE
-
STL
8h 30m
2 stops
$555United Airlines
Sat, Aug 29 - Wed, Sep 2
United Airlines Logo
6:30 am - 11:16 am
STL
-
EGE
5h 46m
1 stop
United Airlines Logo
1:38 pm - 8:54 pm
EGE
-
STL
6h 16m
1 stop
$581United Airlines
Sun, Apr 5 - Thu, Apr 9
United Airlines Logo
10:00 am - 8:25 pm
STL
-
EGE
11h 25m
2 stops
United Airlines Logo
1:38 pm - 8:54 pm
EGE
-
STL
6h 16m
1 stop
$586United Airlines
Sun, Apr 5 - Thu, Apr 9

American Airlines flights from St. Louis to Vail

Our best American Airlines deals on St. Louis to Vail flight tickets
American Airlines
Mar 27
STL5:12 amLambert-St Louis
5h 43m
1 stop
EGE9:55 amVail Eagle County
Mar 31
EGE12:30 pmVail Eagle County
5h 59m
1 stop
STL7:29 pmLambert-St Louis
$459
American Airlines
Mar 27
STL5:12 amLambert-St Louis
11h 35m
2 stops
EGE3:47 pmVail Eagle County
Mar 31
EGE11:42 amVail Eagle County
6h 10m
1 stop
STL6:52 pmLambert-St Louis
$464
American Airlines
Mar 27
STL5:12 amLambert-St Louis
11h 35m
2 stops
EGE3:47 pmVail Eagle County
Mar 31
EGE12:24 pmVail Eagle County
10h 20m
2 stops
STL11:44 pmLambert-St Louis
$519

United Airlines flights from St. Louis to Vail

Our best United Airlines deals on St. Louis to Vail flight tickets
United Airlines
May 27
STL4:48 pmLambert-St Louis
4h 42m
1 stop
EGE8:30 pmVail Eagle County
Jun 3
EGE1:25 pmVail Eagle County
6h 18m
1 stop
STL8:43 pmLambert-St Louis
$329
United Airlines
May 27
STL6:00 amLambert-St Louis
9h 23m
2 stops
EGE2:23 pmVail Eagle County
Jun 3
EGE3:25 pmVail Eagle County
7h 32m
1 stop
STL11:57 pmLambert-St Louis
$334
United Airlines
Aug 29
STL1:18 pmLambert-St Louis
5h 47m
1 stop
EGE6:05 pmVail Eagle County
Sep 2
EGE7:15 amVail Eagle County
4h 25m
1 stop
STL12:40 pmLambert-St Louis
$409

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Vail that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from St. Louis to Vail that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisVail

STL - EGE

STLEGE

Lambert-St Louis

Wed 5/27

4:48 pm-8:30 pm

1 stop4h 42m

Vail Eagle County

Wed 6/3

1:25 pm-8:43 pm

1 stop6h 18m

$329

St. LouisVail

STL - EGE

STLEGE

Lambert-St Louis

Wed 5/27

6:00 am-2:23 pm

2 stops9h 23m

Vail Eagle County

Wed 6/3

3:25 pm-11:57 pm

1 stop7h 32m

$334

St. LouisVail

STL - EGE

STLEGE

Lambert-St Louis

Sat 8/29

1:18 pm-6:05 pm

1 stop5h 47m

Vail Eagle County

Wed 9/2

7:15 am-12:40 pm

1 stop4h 25m

$409

St. LouisVail

STL - EGE

STLEGE

Lambert-St Louis

Sat 8/29

8:00 am-8:05 pm

2 stops13h 05m

Vail Eagle County

Wed 9/2

7:15 am-12:40 pm

1 stop4h 25m

$414

St. LouisVail

STL - EGE

STLEGE

Lambert-St Louis

Sat 6/13

6:00 am-8:30 pm

2 stops15h 30m

Vail Eagle County

Sat 6/20

7:15 am-9:16 pm

2 stops13h 01m

$471
Quickest round-trip

St. LouisVail

STL - EGE

STLEGE

Lambert-St Louis

Tue 4/7

8:54 am-12:28 pm

1 stop4h 34m

Vail Eagle County

Sat 4/11

3:15 pm-8:54 pm

1 stop4h 39m

$515

St. LouisVail

STL - EGE

STLEGE

Lambert-St Louis

Tue 4/7

11:15 am-8:22 pm

2 stops10h 07m

Vail Eagle County

Sat 4/11

3:15 pm-8:54 pm

1 stop4h 39m

$520

St. LouisVail

STL - EGE

STLEGE

Lambert-St Louis

Sat 8/29

6:00 am-2:34 pm

2 stops9h 34m

Vail Eagle County

Wed 9/2

1:30 pm-11:00 pm

2 stops8h 30m

$555

St. LouisVail

STL - EGE

STLEGE

Lambert-St Louis

Sun 4/5

6:30 am-11:16 am

1 stop5h 46m

Vail Eagle County

Thu 4/9

1:38 pm-8:54 pm

1 stop6h 16m

$581

St. LouisVail

STL - EGE

STLEGE

Lambert-St Louis

Sun 4/5

10:00 am-8:25 pm

2 stops11h 25m

Vail Eagle County

Thu 4/9

1:38 pm-8:54 pm

1 stop6h 16m

$586

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from St. Louis to Vail

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Vail?

What is the cheapest month to fly to Vail?

The cheapest month to fly to Vail from St. Louis is in November. Flight prices, which tend to average around $271, are often lower during this time because this is during the off-season. If you aren’t able to travel to Vail during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $276.

When to book flights from St. Louis to Vail

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Vail according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Vail (STL to EGE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Vail

Fastest flight time

4h 25m

Direct flights

None
The fastest flight from St. Louis to Vail takes 4h 25m
There are no direct flights from St. Louis to Vail. There are no popular flight routes from St. Louis to Vail.
Search flight deals

  • How far is Lambert-St Louis to Vail Eagle County by plane?

    Lambert-St Louis and Vail Eagle County are 868.0 mi apart from one another. By plane, this route typically takes 4h 25m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Vail Eagle County Airport?

    Prices for flights from Lambert-St Louis Airport to Vail Eagle County Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Vail Eagle County Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Vail Eagle County Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Vail Eagle County Airport.

  • What documentation or ID do you need to fly to Vail Eagle County Airport?

    The necessary travel and health documents for your Vail Eagle County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Vail?

Best airlines flying from St. Louis to Vail

Compare and see reviews for airlines that fly from St. Louis to Vail with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $228Free CancellationRating
7.1
11,492 reviews
Search American Airlines flights
United AirlinesPriceFrom $284Free CancellationRating
7.4
9,467 reviews
Search United Airlines flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Glenwood Springs
Avon
Beaver Creek
Eagle
Rifle

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Vail?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Vail from St. Louis.

Can I find flights from St. Louis to Vail with flexible booking policies on momondo?

All flight searches from St. Louis to Vail on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Vail?

momondo helps you find the best flight between St. Louis and Vail by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Vail right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Vail flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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