How long does it take to fly to St. Louis?

Flight times from Wyoming to St. Louis vary, but if you’re flying out of Jackson and flying into St. Louis (one of the most popular routes), then the duration is 4h 34m on average. Another popular route from Wyoming to St. Louis is flying from Casper to St. Louis, which will take roughly 4h 41m. Keep in mind that layovers or delays could extend your travel time.

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

Frontier and Delta are the most popular carriers operating from Wyoming to Lambert-St Louis

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

The number of flights available between Wyoming and St. Louis is 77 per week as of December 2025. The most frequent departure day is Fri, with 23% of weekly flights leaving on this day.

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

Prices for flights from Wyoming to Lambert-St Louis Airport are refreshed on a daily basis.

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

The number of operators available for flights from Wyoming to Lambert-St Louis Airport is 5 as of December 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wyoming to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$28 Cheap Flights from Wyoming to St. Louis in 2025/26

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Find the cheapest flights from Wyoming to St. Louis

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:50 am - 10:02 am

DEN

STL

2h 12mnonstop

7:43 pm - 9:15 pm

STL

DEN

2h 32mnonstop

$104Frontier

Fri, Jan 9 - Mon, Jan 12

3:38 pm - 6:44 pm

DEN

STL

2h 06mnonstop

9:45 pm - 10:32 am

STL

DEN

13h 47m1 stop

$108Frontier

Fri, Jan 23 - Mon, Jan 26

6:50 am - 10:02 am

DEN

STL

2h 12mnonstop

7:43 pm - 9:15 pm

STL

DEN

2h 32mnonstop

$109Frontier

Mon, Jan 5 - Wed, Jan 7

9:50 pm - 11:39 am

DEN

STL

12h 49m1 stop

3:43 pm - 5:20 pm

STL

DEN

2h 37mnonstop

$110Frontier

Sat, Jan 10 - Sat, Jan 17

6:00 am - 2:48 pm

DEN

STL

7h 48m1 stop

7:43 pm - 9:15 pm

STL

DEN

2h 32mnonstop

$121Frontier

Thu, Jan 8 - Mon, Jan 12

3:17 pm - 8:58 pm

CPR

STL

4h 41m1 stop

6:00 pm - 10:14 pm

STL

CPR

5h 14m1 stop

$328United Airlines

Sat, Jan 17 - Wed, Jan 21

1:16 pm - 8:58 pm

CPR

STL

6h 42m1 stop

9:57 am - 8:40 pm

STL

CPR

11h 43m2 stops

$334United Airlines

Sat, Jan 17 - Wed, Jan 21

11:35 am - 6:00 pm

JAC

STL

5h 25m1 stop

2:15 pm - 6:57 pm

STL

JAC

5h 42m1 stop

$564Delta

Fri, May 8 - Mon, May 11

2:03 pm - 10:29 pm

JAC

STL

7h 26m1 stop

4:32 pm - 12:01 pm

STL

JAC

20h 29m2 stops

$685American Airlines

Fri, May 8 - Mon, May 11

2:03 pm - 8:05 am

JAC

STL

17h 02m2 stops

4:32 pm - 12:01 pm

STL

JAC

20h 29m2 stops

$760American Airlines

Fri, May 8 - Mon, May 11

Frontier flights from Wyoming to St. Louis

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

Frontier

Jan 9

DEN6:50 amDenver Intl

2h 12m

STL10:02 amLambert-St Louis

Jan 12

STL7:43 pmLambert-St Louis

2h 32m

DEN9:15 pmDenver Intl

$102

Find similar

Frontier

Jan 9

DEN6:50 amDenver Intl

2h 12m

STL10:02 amLambert-St Louis

Jan 12

STL7:43 pmLambert-St Louis

2h 32m

DEN9:15 pmDenver Intl

$104

Find similar

Frontier

Jan 23

DEN3:38 pmDenver Intl

2h 06m

STL6:44 pmLambert-St Louis

Jan 26

STL9:45 pmLambert-St Louis

13h 47m

1 stop

DEN10:32 amDenver Intl

$108

Find similar

United Airlines flights from Wyoming to St. Louis

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

United Airlines

Jan 31

DEN10:10 amDenver Intl

2h 06m

STL1:16 pmLambert-St Louis

Feb 7

STL4:15 pmLambert-St Louis

2h 38m

DEN5:53 pmDenver Intl

$157

Find similar

United Airlines

Jan 17

CPR3:17 pmCasper Natrona County

4h 41m

1 stop

STL8:58 pmLambert-St Louis

Jan 21

STL2:45 pmLambert-St Louis

5h 21m

1 stop

CPR7:06 pmCasper Natrona County

$328

Find similar

United Airlines

Jan 17

CPR1:16 pmCasper Natrona County

6h 42m

1 stop

STL8:58 pmLambert-St Louis

Jan 21

STL9:57 amLambert-St Louis

11h 43m

2 stops

CPR8:40 pmCasper Natrona County

$334

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Fri 1/9

6:50 am-10:02 am

Nonstop2h 12m

Lambert-St Louis

Mon 1/12

7:43 pm-9:15 pm

Nonstop2h 32m

$104

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Fri 1/23

3:38 pm-6:44 pm

Nonstop2h 06m

Lambert-St Louis

Mon 1/26

9:45 pm-10:32 am

1 stop13h 47m

$108

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Mon 1/5

6:50 am-10:02 am

Nonstop2h 12m

Lambert-St Louis

Wed 1/7

7:43 pm-9:15 pm

Nonstop2h 32m

$109

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Sat 1/10

9:50 pm-11:39 am

1 stop12h 49m

Lambert-St Louis

Sat 1/17

3:43 pm-5:20 pm

Nonstop2h 37m

$110

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Thu 1/8

6:00 am-2:48 pm

1 stop7h 48m

Lambert-St Louis

Mon 1/12

7:43 pm-9:15 pm

Nonstop2h 32m

$121

CasperSt. Louis

CPR - STL

CPRSTL

Casper Natrona County

Sat 1/17

3:17 pm-8:58 pm

1 stop4h 41m

Lambert-St Louis

Wed 1/21

6:00 pm-10:14 pm

1 stop5h 14m

$328

CasperSt. Louis

CPR - STL

CPRSTL

Casper Natrona County

Sat 1/17

1:16 pm-8:58 pm

1 stop6h 42m

Lambert-St Louis

Wed 1/21

9:57 am-8:40 pm

2 stops11h 43m

$334

JacksonSt. Louis

JAC - STL

JACSTL

Jackson Hole

Fri 5/8

11:35 am-6:00 pm

1 stop5h 25m

Lambert-St Louis

Mon 5/11

2:15 pm-6:57 pm

1 stop5h 42m

$564

JacksonSt. Louis

JAC - STL

JACSTL

Jackson Hole

Fri 5/8

2:03 pm-10:29 pm

1 stop7h 26m

Lambert-St Louis

Mon 5/11

4:32 pm-12:01 pm

2 stops20h 29m

$685

JacksonSt. Louis

JAC - STL

JACSTL

Jackson Hole

Fri 5/8

2:03 pm-8:05 am

2 stops17h 02m

Lambert-St Louis

Mon 5/11

4:32 pm-12:01 pm

2 stops20h 29m

$760

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 Wyoming to St. Louis

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 day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $406. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $688. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Wyoming in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $370 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $600 per ticket.

Can stopping save me money on Wyoming to St. Louis flights?

You could potentially save up to 15% on your flight if you consider stops on a Wyoming to St. Louis flight.

Cheap Wyoming to St. Louis flight deals and tips

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

Fastest flight time	2h 00m
Direct flights	Every day
Airports in St. Louis	1 airport

The fastest flight from Wyoming to St. Louis takes 2h 00m

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

There is 1 airport in St. Louis. From Wyoming there are direct flights to Lambert-St Louis (STL).

Search flight deals

When did momondo last update prices for flights from Wyoming to Lambert-St Louis Airport?
Prices for flights from Wyoming to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Wyoming to Lambert-St Louis Airport?
The number of operators available for flights from Wyoming to Lambert-St Louis Airport is 5 as of December 2025.
How old do you have to be to fly from Wyoming to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wyoming to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Wyoming to St. Louis

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 9,094 reviews		Search United Airlines flights
Delta	PriceFrom $299	Free Cancellation	Rating 7.9 8,007 reviews		Search Delta flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

Wentzville

St. Peters

Collinsville

Alton

Farmington

Festus

Clayton

Glencoe

Edwardsville

Eureka

Litchfield

Shrewsbury

Why use momondo?

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

It is quick and easy to find Wyoming to St. Louis 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 St. Louis that suits you.

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

All flight searches from Wyoming to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Wyoming to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Wyoming to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.