What are the cheapest airlines flying from Vail to St. Louis round-trip?

Cheapflights users have booked flights from Vail to St. Louis round-trip from $369. Another airline that can offer you cheap pricing is United Airlines. You may be able to fly from Vail to St. Louis for 17% less than the average price by searching for these airlines.

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 21 days in advance to save up to 73% 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 21 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 $160, or $291 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 $215. 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.

$167+ Flights from Vail to St. Louis

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Vail to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Vail to St. Louis

Round-trip from	$369 (American Airlines)
One-way from	$167 (American Airlines)
Popular in	May
Cheapest in	October
Average price	$193

From Vail Eagle County to Lambert-St Louis

Search Deals

One-way flight from Vail Eagle County to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($105 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 July 9, 2025.

Fri 7/112:38 pmEGE - STL

1 stop5h 00mAmerican Airlines

Mon 7/145:30 amSTL - EGE

1 stop5h 12mAmerican Airlines

Deal found 7/7

$369

Fri 7/117:25 amEGE - STL

2 stops10h 35mUnited Airlines

Mon 7/144:45 pmSTL - EGE

1 stop4h 55mUnited Airlines

Deal found 7/7

$467

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 July 9, 2025.

Thu 7/2410:25 amEGE - STL

1 stop7h 08mAmerican Airlines

Mon 7/285:30 amSTL - EGE

1 stop5h 12mAmerican Airlines

Deal found 7/9

$369

Thu 7/311:53 pmEGE - STL

2 stops7h 52mUnited Airlines

Sat 8/24:45 pmSTL - EGE

1 stop4h 55mUnited Airlines

Deal found 7/9

$474

Last-minute flights from Vail to St. Louis
Discover last-minute flight deals from Vail to St. Louis. Data last updated July 9, 2025 and is based on user searches.

Fri 7/112:38 pmEGE - STL

1 stop5h 00mAmerican Airlines

Mon 7/145:30 amSTL - EGE

1 stop5h 12mAmerican Airlines

Deal found 7/7

$369

Fri 7/117:25 amEGE - STL

2 stops10h 35mUnited Airlines

Mon 7/144:45 pmSTL - EGE

1 stop4h 55mUnited Airlines

Deal found 7/7

$467

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 July 9, 2025.

Fri 9/1912:28 pmEGE - STL

1 stop4h 55mAmerican Airlines

Deal found 7/8

$167

Sun 7/208:50 amEGE - STL

1 stop5h 57mUnited Airlines

Deal found 7/7

$427

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

VailSt. Louis

EGE - STL

EGESTL

Vail Eagle County

Thu 7/24

10:25 am-6:33 pm

1 stop7h 08m

Lambert-St Louis

Mon 7/28

5:30 am-9:42 am

1 stop5h 12m

$369

VailSt. Louis

EGE - STL

EGESTL

Vail Eagle County

Thu 7/31

1:53 pm-10:45 pm

2 stops7h 52m

Lambert-St Louis

Sat 8/2

4:45 pm-8:40 pm

1 stop4h 55m

$474

VailSt. Louis

EGE - STL

EGESTL

Vail Eagle County

Fri 9/19

12:28 pm-6:23 pm

1 stop4h 55m

$167

VailSt. Louis

EGE - STL

EGESTL

Vail Eagle County

Sun 7/20

8:50 am-3:47 pm

1 stop5h 57m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

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 and American 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

8,842 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

8,842 reviews

United Airlines

7.4

Good

8,842 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!

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,842 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 are the cheapest airlines flying from Vail to St. Louis round-trip?
Cheapflights users have booked flights from Vail to St. Louis round-trip from $369. Another airline that can offer you cheap pricing is United Airlines. You may be able to fly from Vail to St. Louis for 17% less than the average price by searching for these airlines.
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

Maryland Heights

Fairview Heights

Collinsville

Eureka

St. Peters

Glencoe

Alton

Festus

Chesterfield

Farmington

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Vail to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$354	Average$462	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$167+ Cheap flights from Vail to St. Louis (EGE - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. 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

One-way 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 July 9, 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 July 9, 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 and American 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 are the cheapest airlines flying 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 Vail?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Vail to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Vail to St. Louis

100% Free

Book with Flexibility

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 July 9, 2025.