How many flights depart from St. Louis to Wyoming on average per week?

As of April 2026, 87 flights take off from St. Louis and land in Wyoming each week. The most common flight departure day for this route is Thu, with 21% of weekly flights taking off on this day.

What airlines fly to Wyoming?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Wyoming from St. Louis according to our data. United Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Wyoming. Keep in mind that there are 3 different airlines that fly to Wyoming on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Lambert-St Louis to Wyoming?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Lambert-St Louis to Wyoming

When did momondo last update prices for flights from Lambert-St Louis Airport to Wyoming?

Prices for flights from Lambert-St Louis Airport to Wyoming refresh daily.

How many operators does momondo search for flights from Lambert-St Louis Airport to Wyoming?

As of April 2026, there are 5 operators available to choose from for flights from Lambert-St Louis Airport to Wyoming.

How old do you have to be to fly from Lambert-St Louis Airport to Wyoming?

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 Wyoming.

What documentation or ID do you need to fly to Wyoming?

The travel and health documents you'll need for your trip to Wyoming may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Wyoming. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$34 Cheap Flights from St. Louis to Wyoming in 2026

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Find the cheapest flights from St. Louis to Wyoming

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:08 pm - 9:41 pm

STL

DEN

2h 33mnonstop

4:15 pm - 7:23 pm

DEN

STL

2h 08mnonstop

$81Frontier

Sat, May 9 - Sat, May 16

8:08 pm - 9:41 pm

STL

DEN

2h 33mnonstop

4:15 pm - 7:23 pm

DEN

STL

2h 08mnonstop

$85Frontier

Sat, May 9 - Mon, May 11

8:08 pm - 9:41 pm

STL

DEN

2h 33mnonstop

4:15 pm - 7:23 pm

DEN

STL

2h 08mnonstop

$86Frontier

Sat, May 9 - Mon, May 11

8:17 pm - 9:50 pm

STL

DEN

2h 33mnonstop

4:20 pm - 7:32 pm

DEN

STL

2h 12mnonstop

$87Frontier

Sat, May 2 - Mon, May 4

8:08 pm - 9:41 pm

STL

DEN

2h 33mnonstop

4:12 pm - 7:23 pm

DEN

STL

2h 11mnonstop

$88Frontier

Mon, Jun 8 - Thu, Jun 11

6:05 pm - 10:07 pm

STL

CPR

5h 02m

1 stop

3:14 pm - 8:43 pm

CPR

STL

4h 29m

1 stop

$318United Airlines

Mon, Apr 27 - Mon, May 4

6:05 pm - 10:07 pm

STL

CPR

5h 02m

1 stop

5:25 am - 2:32 pm

CPR

STL

8h 07m

2 stops

$324United Airlines

Mon, Apr 27 - Sat, May 9

7:30 am - 12:21 pm

STL

WYS

5h 51m

1 stop

11:29 am - 11:37 pm

WYS

STL

11h 08m

2 stops

$334Delta

Mon, Aug 24 - Sat, Aug 29

7:12 am - 12:41 pm

STL

JAC

6h 29m

1 stop

1:25 pm - 10:59 pm

JAC

STL

8h 34m

1 stop

$359American Airlines

Fri, Apr 24 - Mon, Apr 27

6:45 am - 4:59 pm

STL

JAC

11h 14m

2 stops

7:00 am - 2:31 pm

JAC

STL

6h 31m

1 stop

$364Delta

Mon, May 25 - Tue, Jun 2

Frontier flights from St. Louis to Wyoming

Our best Frontier deals on St. Louis to Wyoming flight tickets

Frontier

May 9

STL8:08 pmLambert-St Louis

2h 33m

DEN9:41 pmDenver Intl

May 11

DEN4:15 pmDenver Intl

2h 08m

STL7:23 pmLambert-St Louis

$85

Frontier

May 9

STL8:08 pmLambert-St Louis

2h 33m

DEN9:41 pmDenver Intl

May 11

DEN4:15 pmDenver Intl

2h 08m

STL7:23 pmLambert-St Louis

$86

Frontier

May 2

STL8:17 pmLambert-St Louis

2h 33m

DEN9:50 pmDenver Intl

May 4

DEN4:20 pmDenver Intl

2h 12m

STL7:32 pmLambert-St Louis

$87

Alaska Airlines flights from St. Louis to Wyoming

Our best Alaska Airlines deals on St. Louis to Wyoming flight tickets

Alaska Airlines

Jul 11

STL7:56 pmLambert-St Louis

20h 11m

2 stops

JAC3:07 pmJackson Hole

Jul 15

JAC2:11 pmJackson Hole

22h 44m

2 stops

STL1:55 pmLambert-St Louis

$546

Alaska Airlines

Sep 7

STL7:34 pmLambert-St Louis

16h 48m

1 stop

JAC11:22 amJackson Hole

Sep 12

JAC3:20 pmJackson Hole

21h 56m

2 stops

STL2:16 pmLambert-St Louis

$554

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 5/9

8:08 pm-9:41 pm

Nonstop2h 33m

Denver Intl

Sat 5/16

4:15 pm-7:23 pm

Nonstop2h 08m

$81

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 5/9

8:08 pm-9:41 pm

Nonstop2h 33m

Denver Intl

Mon 5/11

4:15 pm-7:23 pm

Nonstop2h 08m

$85

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 5/9

8:08 pm-9:41 pm

Nonstop2h 33m

Denver Intl

Mon 5/11

4:15 pm-7:23 pm

Nonstop2h 08m

$86

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 5/2

8:17 pm-9:50 pm

Nonstop2h 33m

Denver Intl

Mon 5/4

4:20 pm-7:32 pm

Nonstop2h 12m

$87

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Mon 6/8

8:08 pm-9:41 pm

Nonstop2h 33m

Denver Intl

Thu 6/11

4:12 pm-7:23 pm

Nonstop2h 11m

$88

St. LouisCasper

STL - CPR

STLCPR

Lambert-St Louis

Mon 4/27

6:05 pm-10:07 pm

1 stop5h 02m

Casper Natrona County

Mon 5/4

3:14 pm-8:43 pm

1 stop4h 29m

$318

St. LouisCasper

STL - CPR

STLCPR

Lambert-St Louis

Mon 4/27

6:05 pm-10:07 pm

1 stop5h 02m

Casper Natrona County

Sat 5/9

5:25 am-2:32 pm

2 stops8h 07m

$324

St. LouisWest Yellowstone

STL - WYS

STLWYS

Lambert-St Louis

Mon 8/24

7:30 am-12:21 pm

1 stop5h 51m

West Yellowstone

Sat 8/29

11:29 am-11:37 pm

2 stops11h 08m

$334

St. LouisJackson

STL - JAC

STLJAC

Lambert-St Louis

Fri 4/24

7:12 am-12:41 pm

1 stop6h 29m

Jackson Hole

Mon 4/27

1:25 pm-10:59 pm

1 stop8h 34m

$359

St. LouisJackson

STL - JAC

STLJAC

Lambert-St Louis

Mon 5/25

6:45 am-4:59 pm

2 stops11h 14m

Jackson Hole

Tue 6/2

7:00 am-2:31 pm

1 stop6h 31m

$364

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Other information

What is the cheapest month to fly to Wyoming?

The cheapest month to fly to Wyoming from St. Louis is in December. Flight prices, which tend to average around $388, are often lower during this time because this is during the off-season. If you aren’t able to travel to Wyoming during the month of December, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $398.

How far in advance should I book a flight to Wyoming?

You are more likely to see cheaper flights to Wyoming from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Wyoming for around $469 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Wyoming from St. Louis for as low as $304 on momondo.

Cheap St. Louis to Wyoming flight deals and tips

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

Fastest flight time	2h 15m
Direct flights	Every day
Airports in Wyoming	26 airports

The fastest flight from St. Louis to Wyoming takes 2h 15m

Direct flights go from St. Louis to Wyoming every day.

There are 26 airports in Wyoming. From St. Louis there are direct flights to Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from St. Louis to Wyoming

When did momondo last update prices for flights from Lambert-St Louis Airport to Wyoming?
Prices for flights from Lambert-St Louis Airport to Wyoming refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Wyoming?
As of April 2026, there are 5 operators available to choose from for flights from Lambert-St Louis Airport to Wyoming.
How old do you have to be to fly from Lambert-St Louis Airport to Wyoming?
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 Wyoming.
What documentation or ID do you need to fly to Wyoming?
The travel and health documents you'll need for your trip to Wyoming may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Wyoming. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Wyoming

Compare and see reviews for airlines that fly from St. Louis to Wyoming with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $237	Free Cancellation	Rating 7.9 8,370 reviews	Search Delta flights
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 9,533 reviews	Search United Airlines flights
American Airlines	PriceFrom $362	Free Cancellation	Rating 7.1 11,549 reviews	Search American Airlines flights

Why use momondo?

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

It is quick and easy to find St. Louis to Wyoming flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Wyoming that suits you.

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

momondo does allow users to show only those flights to Wyoming from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Wyoming.

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

If you are simply researching potential flights to Wyoming, momondo offers a useful price alert feature which will track prices for flights to Wyoming from St. Louis and alert you when they change.