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 69% 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?

American Airlines and Delta 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 November 2026, there are 3 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.

$265 Cheap Flights from St. Louis to Wyoming in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Wyoming

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:40 am - 2:48 pmSTL Lambert-St Louis-CPR Casper Natrona County

7h 08m1 stop Denver Intl

5:00 am - 12:56 pmCPR Casper Natrona County-STL Lambert-St Louis

6h 56m1 stop Denver Intl

$348United Airlines

Thu, Dec 3 - Tue, Dec 8

2:45 pm - 6:56 pmSTL Lambert-St Louis-CPR Casper Natrona County

5h 11m1 stop Denver Intl

3:15 pm - 8:54 pmCPR Casper Natrona County-STL Lambert-St Louis

4h 39m1 stop Denver Intl

$348United Airlines

Mon, Feb 22 - Wed, Mar 3

2:50 pm - 6:59 pmSTL Lambert-St Louis-CPR Casper Natrona County

5h 09m1 stop Denver Intl

7:00 am - 12:56 pmCPR Casper Natrona County-STL Lambert-St Louis

4h 56m1 stop Denver Intl

$348United Airlines

Wed, Dec 2 - Tue, Dec 8

8:24 pm - 12:42 pmSTL Lambert-St Louis-JAC Jackson Hole

17h 18m2 stops Chicago O'Hare Intl Dallas/Fort Worth

1:32 pm - 12:02 amJAC Jackson Hole-STL Lambert-St Louis

9h 30m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$480American Airlines

Fri, Dec 11 - Tue, Dec 15

6:00 am - 1:39 pmSTL Lambert-St Louis-JAC Jackson Hole

8h 39m1 stop Chicago O'Hare Intl

1:10 pm - 10:23 pmJAC Jackson Hole-STL Lambert-St Louis

8h 13m1 stop Chicago O'Hare Intl

$489American Airlines

Mon, Mar 1 - Tue, Mar 9

7:00 am - 12:14 pmSTL Lambert-St Louis-JAC Jackson Hole

6h 14m1 stop Salt Lake City

1:09 pm - 9:42 pmJAC Jackson Hole-STL Lambert-St Louis

7h 33m1 stop Salt Lake City

$499Delta

Mon, Jan 18 - Tue, Jan 26

7:00 am - 12:14 pmSTL Lambert-St Louis-JAC Jackson Hole

6h 14m1 stop Salt Lake City

1:09 pm - 9:42 pmJAC Jackson Hole-STL Lambert-St Louis

7h 33m1 stop Salt Lake City

$499Delta

Tue, Jan 19 - Fri, Jan 29

8:02 pm - 12:29 pmSTL Lambert-St Louis-JAC Jackson Hole

17h 27m2 stops Chicago O'Hare Intl Dallas/Fort Worth

1:10 pm - 10:23 pmJAC Jackson Hole-STL Lambert-St Louis

8h 13m1 stop Chicago O'Hare Intl

$507American Airlines

Mon, Mar 1 - Tue, Mar 9

2:50 pm - 11:18 amSTL Lambert-St Louis-JAC Jackson Hole

21h 28m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

11:58 am - 9:27 amJAC Jackson Hole-STL Lambert-St Louis

20h 29m2 stops Seattle/Tacoma Intl Dallas/Fort Worth

$1,499Alaska Airlines

Wed, Dec 30 - Sun, Jan 3

6:01 am - 11:18 amSTL Lambert-St Louis-JAC Jackson Hole

30h 17m2 stops Los Angeles Seattle/Tacoma Intl

11:58 am - 9:27 amJAC Jackson Hole-STL Lambert-St Louis

20h 29m2 stops Seattle/Tacoma Intl Dallas/Fort Worth

$1,553Alaska Airlines

Tue, Dec 29 - Sun, Jan 3

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Delta flights from St. Louis to Wyoming

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

Delta

Jan 17

STL2:16 pmLambert-St Louis

6h 05m

1 stop

JAC7:21 pmJackson Hole

Jan 22

JAC1:09 pmJackson Hole

7h 33m

1 stop

STL9:42 pmLambert-St Louis

$499

Delta

Jan 21

STL2:16 pmLambert-St Louis

6h 05m

1 stop

JAC7:21 pmJackson Hole

Jan 27

JAC1:09 pmJackson Hole

7h 33m

1 stop

STL9:42 pmLambert-St Louis

$504

Delta

Jan 21

STL2:16 pmLambert-St Louis

6h 05m

1 stop

JAC7:21 pmJackson Hole

Jan 29

JAC1:09 pmJackson Hole

7h 33m

1 stop

STL9:42 pmLambert-St Louis

$514

American Airlines flights from St. Louis to Wyoming

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

American Airlines

Dec 11

STL8:24 pmLambert-St Louis

17h 18m

2 stops

JAC12:42 pmJackson Hole

Dec 15

JAC1:32 pmJackson Hole

9h 30m

2 stops

STL12:02 amLambert-St Louis

$480

American Airlines

Mar 1

STL6:00 amLambert-St Louis

8h 39m

1 stop

JAC1:39 pmJackson Hole

Mar 9

JAC1:10 pmJackson Hole

8h 13m

1 stop

STL10:23 pmLambert-St Louis

$489

American Airlines

Mar 1

STL8:02 pmLambert-St Louis

17h 27m

2 stops

JAC12:29 pmJackson Hole

Mar 9

JAC1:10 pmJackson Hole

8h 13m

1 stop

STL10:23 pmLambert-St Louis

$507

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCasper

STL Lambert-St Louis - CPR Casper Natrona County

STLCPR

Lambert-St Louis

Thu 12/3

8:40 am-2:48 pm

1 stop7h 08m

Casper Natrona County

Tue 12/8

5:00 am-12:56 pm

1 stop6h 56m

$348

Quickest round-trip

St. LouisCasper

STL Lambert-St Louis - CPR Casper Natrona County

STLCPR

Lambert-St Louis

Mon 2/22

2:45 pm-6:56 pm

1 stop5h 11m

Casper Natrona County

Wed 3/3

3:15 pm-8:54 pm

1 stop4h 39m

$348

St. LouisCasper

STL Lambert-St Louis - CPR Casper Natrona County

STLCPR

Lambert-St Louis

Wed 12/2

2:50 pm-6:59 pm

1 stop5h 09m

Casper Natrona County

Tue 12/8

7:00 am-12:56 pm

1 stop4h 56m

$348

St. LouisJackson

STL Lambert-St Louis - JAC Jackson Hole

STLJAC

Lambert-St Louis

Fri 12/11

8:24 pm-12:42 pm

2 stops17h 18m

Jackson Hole

Tue 12/15

1:32 pm-12:02 am

2 stops9h 30m

$480

St. LouisJackson

STL Lambert-St Louis - JAC Jackson Hole

STLJAC

Lambert-St Louis

Mon 3/1

6:00 am-1:39 pm

1 stop8h 39m

Jackson Hole

Tue 3/9

1:10 pm-10:23 pm

1 stop8h 13m

$489

St. LouisJackson

STL Lambert-St Louis - JAC Jackson Hole

STLJAC

Lambert-St Louis

Mon 1/18

7:00 am-12:14 pm

1 stop6h 14m

Jackson Hole

Tue 1/26

1:09 pm-9:42 pm

1 stop7h 33m

$499

St. LouisJackson

STL Lambert-St Louis - JAC Jackson Hole

STLJAC

Lambert-St Louis

Tue 1/19

7:00 am-12:14 pm

1 stop6h 14m

Jackson Hole

Fri 1/29

1:09 pm-9:42 pm

1 stop7h 33m

$499

St. LouisJackson

STL Lambert-St Louis - JAC Jackson Hole

STLJAC

Lambert-St Louis

Mon 3/1

8:02 pm-12:29 pm

2 stops17h 27m

Jackson Hole

Tue 3/9

1:10 pm-10:23 pm

1 stop8h 13m

$507

St. LouisJackson

STL Lambert-St Louis - JAC Jackson Hole

STLJAC

Lambert-St Louis

Wed 12/30

2:50 pm-11:18 am

2 stops21h 28m

Jackson Hole

Sun 1/3

11:58 am-9:27 am

2 stops20h 29m

$1,499

St. LouisJackson

STL Lambert-St Louis - JAC Jackson Hole

STLJAC

Lambert-St Louis

Tue 12/29

6:01 am-11:18 am

2 stops30h 17m

Jackson Hole

Sun 1/3

11:58 am-9:27 am

2 stops20h 29m

$1,553

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

What is the cheapest month to fly to Wyoming?

The cheapest month to fly to Wyoming from St. Louis is in March. Flight prices, which tend to average around $405, 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 March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $437.

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	$265
Fastest flight time	2h 20m
Direct flights	None

The best one-way flight to Wyoming from St. Louis in the past 72 hours is $265. The best round-trip flight deal from St. Louis to Wyoming found on momondo in the last 72 hours is $348.

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

There are no direct flights from St. Louis to Wyoming. There are no popular flight routes from St. Louis to Wyoming.

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 November 2026, there are 3 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 $275	Free Cancellation	Rating 7.3 10,470 reviews	Search United Airlines flights
Delta	PriceFrom $280	Free Cancellation	Rating 7.8 8,701 reviews	Search Delta flights
American Airlines	PriceFrom $437	Free Cancellation	Rating 7.0 12,233 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.