What is the cheapest airline to fly from Vail to St. Louis round-trip?

Cheapflights users have booked flights from Vail to St. Louis round-trip from $306. You may be able to fly from Vail to St. Louis for 36% less than the average price by searching for this airline.

What is the cheapest day to fly from Vail to St. Louis?

Travelers seeking maximum savings on their Vail to St. Louis flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

How far in advance should I book a flight from Vail to St. Louis?

Travelers have found it’s best to book a flight 61 days in advance to save up to 120% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Vail to St. Louis 1-2 weeks in advance for as low as $168, or $280 for flights within the next 24 hours.

What is the cheapest month to fly from Vail to St. Louis?

January can be a great time to fly to St. Louis from Vail with a flight ticket averaging about $224. Cheapflights users have found deals in the month of January for as cheap as $44. The most expensive prices can be found in the month of June.

What is the cheapest time of day to fly from EGE to STL?

When flying from Vail to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Vail to St. Louis that include hotel bookings?

Yes. In addition to deals on Vail to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Vail to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Vail to St. Louis.

Can I find deals for business class flights from Vail to St. Louis?

Yes. Cheapflights offers flight deals from Vail to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$249+ Flights from Vail to St. Louis

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Cheap flight deals from Vail to St. Louis

Round-trip from	$249 (United Airlines)
Popular in	August
Cheapest in	September
Average price	$810

From Vail Eagle County to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($80 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

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Find flight deals from Vail to St. Louis

Cheapest flights from Vail to St. Louis
Explore the most affordable flight options available from Vail to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on août 14, 2025.

jeu. 8/287:20 amEGE - STL

1 stop4h 23mUnited Airlines

lun. 9/19:00 amSTL - EGE

1 stop6h 26mUnited Airlines

Deal found 8/13

$249

mer. 8/2710:30 amEGE - STL

1 stop5h 17mAmerican Airlines

ven. 8/297:01 amSTL - EGE

1 stop7h 56mAmerican Airlines

Deal found 8/14

$561

mer. 8/277:20 amEGE - STL

2 stops10h 39mUnited Airlines

ven. 8/295:30 pmSTL - EGE

1 stop25h 23mUnited Airlines

Deal found 8/14

$629

Best flights from Vail to St. Louis
Discover carefully curated flight deals from Vail to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated août 14, 2025.

jeu. 8/287:20 amEGE - STL

1 stop4h 23mUnited Airlines

lun. 9/19:00 amSTL - EGE

1 stop6h 26mUnited Airlines

Deal found 8/13

$249

mer. 8/2710:30 amEGE - STL

1 stop5h 17mAmerican Airlines

ven. 8/297:01 amSTL - EGE

1 stop7h 56mAmerican Airlines

Deal found 8/14

$561

mer. 8/277:20 amEGE - STL

2 stops10h 39mUnited Airlines

ven. 8/295:30 pmSTL - EGE

1 stop25h 23mUnited Airlines

Deal found 8/14

$629

Last-minute flights from Vail to St. Louis
Discover last-minute flight deals from Vail to St. Louis. Data last updated août 14, 2025 and is based on user searches.

mer. 8/2710:30 amEGE - STL

1 stop5h 17mAmerican Airlines

ven. 8/297:01 amSTL - EGE

1 stop7h 56mAmerican Airlines

Deal found 8/14

$561

mer. 8/277:20 amEGE - STL

2 stops10h 39mUnited Airlines

ven. 8/295:30 pmSTL - EGE

1 stop25h 23mUnited Airlines

Deal found 8/14

$629

jeu. 8/287:20 amEGE - STL

1 stop4h 23mUnited Airlines

lun. 9/19:00 amSTL - EGE

1 stop6h 26mUnited Airlines

Deal found 8/13

$249

One-way flights from Vail to St. Louis
Search for one-way flight options from Vail to St. Louis. Find affordable one-way fares based on user searches. Data last updated août 14, 2025.

dim. 1/43:21 pmEGE - STL

1 stop6h 01mUnited Airlines

Deal found 8/13

$436

dim. 1/41:21 pmEGE - STL

2 stops33h 38mAlaska Airlines

Deal found 8/13

$618

Fly from

Fly to

Route

Depart

Return

Price

VailSt. Louis

EGE - STL

EGESTL

Vail Eagle County

jeu. 8/28

7:20 am-12:43 pm

1 stop4h 23m

Lambert-St Louis

lun. 9/1

9:00 am-2:26 pm

1 stop6h 26m

$249

VailSt. Louis

EGE - STL

EGESTL

Vail Eagle County

mer. 8/27

10:30 am-4:47 pm

1 stop5h 17m

Lambert-St Louis

ven. 8/29

7:01 am-1:57 pm

1 stop7h 56m

$561

VailSt. Louis

EGE - STL

EGESTL

Vail Eagle County

mer. 8/27

7:20 am-6:59 pm

2 stops10h 39m

Lambert-St Louis

ven. 8/29

5:30 pm-5:53 pm

1 stop25h 23m

$629

VailSt. Louis

EGE - STL

EGESTL

Vail Eagle County

dim. 1/4

3:21 pm-10:22 pm

1 stop6h 01m

$436

VailSt. Louis

EGE - STL

EGESTL

Vail Eagle County

dim. 1/4

1:21 pm-11:59 pm

2 stops33h 38m

$618

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Best time to book a flight from Vail to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Vail with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Vail to St. Louis

What is the cheapest month to book a flight from Vail to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Vail to St. Louis (average of $311). Flying from Vail to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing St. Louis

See what other customers who have flown with United Airlines from Vail to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,916 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,916 reviews

United Airlines

7.4

Good

8,916 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

What is the cheapest airline to fly from Vail to St. Louis round-trip?
Cheapflights users have booked flights from Vail to St. Louis round-trip from $306. You may be able to fly from Vail to St. Louis for 36% less than the average price by searching for this airline.
Can I find deals for flights from Vail to St. Louis that include hotel bookings?
Yes. In addition to deals on Vail to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Vail to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Vail to St. Louis.
Can I find deals for business class flights from Vail to St. Louis?
Yes. Cheapflights offers flight deals from Vail to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Vail to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Vail to St. Louis (average of $311). Flying from Vail to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

O'Fallon

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Maryland Heights

Collinsville

Eureka

St. Peters

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Chesterfield

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Top airline flying from Vail to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$306	Average$483	FlexibilityNo cancel fee	On-time69%

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$249+ Cheap flights from Vail to St. Louis (EGE - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Vail to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Vail to St. Louis

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Vail to St. Louis

Cheapest flights from Vail to St. LouisExplore the most affordable flight options available from Vail to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on août 14, 2025.

Explore the most affordable flight options available from Vail to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on août 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Vail to St. Louis that are best for you.

Best time to book a flight from Vail to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Vail with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Vail to St. Louis

What is the cheapest month to book a flight from Vail to St. Louis?

Reviews of airlines servicing St. Louis

See what other customers who have flown with United Airlines from Vail to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Vail to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Vail to St. Louis round-trip?

Can I find deals for flights from Vail to St. Louis that include hotel bookings?

How can I find direct flights from Vail to St. Louis?

Can I find deals for business class flights from Vail to St. Louis?

What is the cheapest month to book a flight from Vail to St. Louis?

Traveling to a place near St. Louis?

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Alternative routes for Vail to St. Louis

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Top airline flying from Vail to St. Louis

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Travel Smart

Cheapest flights from Vail to St. Louis
Explore the most affordable flight options available from Vail to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on août 14, 2025.