What airlines fly to Wyoming?

United Airlines, Delta and American Airlines 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 73% 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.

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

As of September 2026, 85 flights take off from St. Louis and land in Wyoming each week. The most common flight departure day for this route is Tue, with 20% of weekly flights taking off on this day.

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

Southwest, Delta, and Frontier 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 September 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.

$77 Cheap Flights from St. Louis to Wyoming in 2026

Discover deals from 900+ travel sites with momondo.

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.

5:19 pm - 7:52 amSTL Lambert-St Louis-DEN Denver Intl

15h 33m1 stop Orlando

8:50 pm - 11:59 pmDEN Denver Intl-STL Lambert-St Louis

2h 09mnonstop

$128Frontier

Fri, Oct 2 - Wed, Oct 7

1:30 pm - 7:50 pmSTL Lambert-St Louis-DEN Denver Intl

7h 20m1 stop Las Vegas Harry Reid Intl

4:12 pm - 7:15 pmDEN Denver Intl-STL Lambert-St Louis

2h 03mnonstop

$128Frontier

Fri, Oct 23 - Mon, Oct 26

9:13 am - 10:35 amSTL Lambert-St Louis-DEN Denver Intl

2h 22mnonstop

5:59 pm - 8:59 pmDEN Denver Intl-STL Lambert-St Louis

2h 00mnonstop

$177United Airlines

Tue, Jan 26 - Sat, Jan 30

8:50 pm - 10:15 pmSTL Lambert-St Louis-DEN Denver Intl

2h 25mnonstop

6:35 am - 9:35 amDEN Denver Intl-STL Lambert-St Louis

2h 00mnonstop

$177Southwest

Tue, Oct 6 - Tue, Oct 13

9:50 pm - 11:15 pmSTL Lambert-St Louis-DEN Denver Intl

2h 25mnonstop

6:30 am - 9:35 amDEN Denver Intl-STL Lambert-St Louis

2h 05mnonstop

$177Southwest

Thu, Oct 29 - Mon, Nov 2

4:39 pm - 6:10 pmSTL Lambert-St Louis-DEN Denver Intl

2h 31mnonstop

6:00 am - 12:12 pmDEN Denver Intl-STL Lambert-St Louis

5h 12m1 stop Chicago O'Hare Intl

$187United Airlines

Mon, Oct 26 - Sat, Nov 7

2:00 pm - 5:21 pmSTL Lambert-St Louis-DEN Denver Intl

28h 21m2 stops Jonesboro Nashville Intl

3:54 pm - 6:57 pmDEN Denver Intl-STL Lambert-St Louis

2h 03mnonstop

$190Multiple Airlines

Sun, Oct 18 - Sat, Oct 24

5:27 pm - 12:36 amSTL Lambert-St Louis-DEN Denver Intl

8h 09m1 stop Chicago O'Hare Intl

6:09 pm - 12:19 amDEN Denver Intl-STL Lambert-St Louis

5h 10m1 stop Chicago O'Hare Intl

$197American Airlines

Mon, Oct 5 - Sat, Oct 10

6:29 am - 6:56 pmSTL Lambert-St Louis-SLC Salt Lake City

13h 27m2 stops Seattle/Tacoma Intl San Diego

4:16 pm - 11:59 pmSLC Salt Lake City-STL Lambert-St Louis

6h 43m1 stop Denver Intl

$323Multiple Airlines

Tue, Sep 29 - Wed, Oct 7

5:00 am - 3:01 pmSTL Lambert-St Louis-JAC Jackson Hole

11h 01m2 stops Chicago O'Hare Intl Dallas/Fort Worth

1:43 pm - 8:57 pmJAC Jackson Hole-STL Lambert-St Louis

6h 14m1 stop Chicago O'Hare Intl

$430American Airlines

Thu, Oct 1 - Thu, Oct 22

Cheap last minute flights

Enter your travel dates to find the best prices.

2:29 pm - 9:24 pmSTL Lambert-St Louis-DEN Denver Intl

7h 55m1 stop Atlanta Hartsfield-Jackson

4:12 pm - 7:17 pmDEN Denver Intl-STL Lambert-St Louis

2h 05mnonstop

$204Frontier

Mon, Sep 14 - Sat, Sep 26

12:17 pm - 6:33 pmSTL Lambert-St Louis-DEN Denver Intl

7h 16m1 stop Las Vegas Harry Reid Intl

4:12 pm - 7:17 pmDEN Denver Intl-STL Lambert-St Louis

2h 05mnonstop

$206Frontier

Tue, Sep 15 - Sat, Sep 26

1:02 pm - 2:26 pmSTL Lambert-St Louis-DEN Denver Intl

2h 24mnonstop

10:50 pm - 1:31 pmDEN Denver Intl-STL Lambert-St Louis

37h 41m3 stops Las Vegas Harry Reid Intl Nashville Intl Jonesboro

$482Multiple Airlines

Sun, Sep 13 - Sun, Sep 20

8:10 pm - 9:39 pmSTL Lambert-St Louis-DEN Denver Intl

2h 29mnonstop

10:40 am - 1:31 pmDEN Denver Intl-STL Lambert-St Louis

25h 51m3 stops Dallas/Fort Worth Nashville Intl Jonesboro

$492Multiple Airlines

Sat, Sep 12 - Sun, Sep 13

9:00 am - 4:06 pmSTL Lambert-St Louis-WYS West Yellowstone

8h 06m1 stop Denver Intl

1:55 pm - 8:38 pmWYS West Yellowstone-STL Lambert-St Louis

5h 43m1 stop Denver Intl

$524United Airlines

Sat, Sep 12 - Mon, Sep 14

9:00 am - 4:06 pmSTL Lambert-St Louis-WYS West Yellowstone

8h 06m1 stop Denver Intl

1:55 pm - 10:59 pmWYS West Yellowstone-STL Lambert-St Louis

8h 04m2 stops Denver Intl Chicago O'Hare Intl

$530United Airlines

Sat, Sep 12 - Mon, Sep 14

5:00 am - 3:01 pmSTL Lambert-St Louis-JAC Jackson Hole

11h 01m2 stops Chicago O'Hare Intl Dallas/Fort Worth

4:11 pm - 11:43 pmJAC Jackson Hole-STL Lambert-St Louis

6h 32m1 stop Dallas/Fort Worth

$600American Airlines

Sat, Sep 12 - Mon, Sep 14

5:30 pm - 6:45 pmSTL Lambert-St Louis-DEN Denver Intl

2h 15mnonstop

8:35 am - 11:40 amDEN Denver Intl-STL Lambert-St Louis

2h 05mnonstop

$622Southwest

Mon, Sep 14 - Tue, Sep 22

6:45 am - 8:00 amSTL Lambert-St Louis-DEN Denver Intl

2h 15mnonstop

10:00 am - 1:15 pmDEN Denver Intl-STL Lambert-St Louis

2h 15mnonstop

$622Southwest

Sun, Sep 13 - Tue, Sep 22

2:25 pm - 4:38 pmSTL Lambert-St Louis-SLC Salt Lake City

3h 13mnonstop

8:50 pm - 12:44 amSLC Salt Lake City-STL Lambert-St Louis

2h 54mnonstop

$769Delta

Tue, Sep 15 - Sun, Sep 20

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Frontier flights from St. Louis to Wyoming

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

Frontier

Oct 2

STL5:19 pmLambert-St Louis

15h 33m

1 stop

DEN7:52 amDenver Intl

Oct 7

DEN8:50 pmDenver Intl

2h 09m

STL11:59 pmLambert-St Louis

$128

Frontier

Oct 23

STL1:30 pmLambert-St Louis

7h 20m

1 stop

DEN7:50 pmDenver Intl

Oct 26

DEN4:12 pmDenver Intl

2h 03m

STL7:15 pmLambert-St Louis

$130

Frontier

Dec 2

STL7:49 pmLambert-St Louis

2h 31m

DEN9:20 pmDenver Intl

Dec 7

DEN3:50 pmDenver Intl

2h 04m

STL6:54 pmLambert-St Louis

$131

Southwest flights from St. Louis to Wyoming

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

Southwest

Oct 12

STL9:50 pmLambert-St Louis

2h 25m

DEN11:15 pmDenver Intl

Oct 14

DEN8:10 pmDenver Intl

2h 05m

STL11:15 pmLambert-St Louis

$177

Southwest

Oct 12

STL9:50 pmLambert-St Louis

2h 25m

DEN11:15 pmDenver Intl

Oct 20

DEN6:20 amDenver Intl

5h 45m

1 stop

STL1:05 pmLambert-St Louis

$187

Southwest

Sep 23

STL2:50 pmLambert-St Louis

6h 45m

2 stops

SLC8:35 pmSalt Lake City

Sep 29

SLC7:00 amSalt Lake City

9h 55m

2 stops

STL5:55 pmLambert-St Louis

$541

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisDenver

STL Lambert-St Louis - DEN Denver Intl

STLDEN

Lambert-St Louis

Fri 10/2

5:19 pm-7:52 am

1 stop15h 33m

Denver Intl

Wed 10/7

8:50 pm-11:59 pm

Nonstop2h 09m

$128

St. LouisDenver

STL Lambert-St Louis - DEN Denver Intl

STLDEN

Lambert-St Louis

Fri 10/23

1:30 pm-7:50 pm

1 stop7h 20m

Denver Intl

Mon 10/26

4:12 pm-7:15 pm

Nonstop2h 03m

$128

Quickest round-trip

St. LouisDenver

STL Lambert-St Louis - DEN Denver Intl

STLDEN

Lambert-St Louis

Tue 1/26

9:13 am-10:35 am

Nonstop2h 22m

Denver Intl

Sat 1/30

5:59 pm-8:59 pm

Nonstop2h 00m

$177

St. LouisDenver

STL Lambert-St Louis - DEN Denver Intl

STLDEN

Lambert-St Louis

Tue 10/6

8:50 pm-10:15 pm

Nonstop2h 25m

Denver Intl

Tue 10/13

6:35 am-9:35 am

Nonstop2h 00m

$177

St. LouisDenver

STL Lambert-St Louis - DEN Denver Intl

STLDEN

Lambert-St Louis

Thu 10/29

9:50 pm-11:15 pm

Nonstop2h 25m

Denver Intl

Mon 11/2

6:30 am-9:35 am

Nonstop2h 05m

$177

St. LouisDenver

STL Lambert-St Louis - DEN Denver Intl

STLDEN

Lambert-St Louis

Mon 10/26

4:39 pm-6:10 pm

Nonstop2h 31m

Denver Intl

Sat 11/7

6:00 am-12:12 pm

1 stop5h 12m

$187

St. LouisDenver

STL Lambert-St Louis - DEN Denver Intl

STLDEN

Lambert-St Louis

Sun 10/18

2:00 pm-5:21 pm

2 stops28h 21m

Denver Intl

Sat 10/24

3:54 pm-6:57 pm

Nonstop2h 03m

$190

St. LouisDenver

STL Lambert-St Louis - DEN Denver Intl

STLDEN

Lambert-St Louis

Mon 10/5

5:27 pm-12:36 am

1 stop8h 09m

Denver Intl

Sat 10/10

6:09 pm-12:19 am

1 stop5h 10m

$197

St. LouisSalt Lake City

STL Lambert-St Louis - SLC Salt Lake City

STLSLC

Lambert-St Louis

Tue 9/29

6:29 am-6:56 pm

2 stops13h 27m

Salt Lake City

Wed 10/7

4:16 pm-11:59 pm

1 stop6h 43m

$323

St. LouisJackson

STL Lambert-St Louis - JAC Jackson Hole

STLJAC

Lambert-St Louis

Thu 10/1

5:00 am-3:01 pm

2 stops11h 01m

Jackson Hole

Thu 10/22

1:43 pm-8:57 pm

1 stop6h 14m

$430

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 $405.

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

Best Price Found	$77
Fastest flight time	2h 20m
Direct flights	Every day
Airports in Wyoming	26 airports

The best one-way flight to Wyoming from St. Louis in the past 72 hours is $77. The best round-trip flight deal from St. Louis to Wyoming found on momondo in the last 72 hours is $128.

The fastest flight from St. Louis to Wyoming takes 2h 20m

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 September 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
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 10,190 reviews	Search United Airlines flights
Delta	PriceFrom $297	Free Cancellation	Rating 7.8 8,554 reviews	Search Delta flights
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.1 12,045 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.