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

Frontier, Southwest, and American Airlines 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 125 per week as of August 2025. The most frequent departure day is Wed, with 18% of weekly flights leaving on this day.

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 29m on average. Another popular route from Wyoming to St. Louis is flying from Casper to St. Louis, which will take roughly 5h 03m. Keep in mind that layovers or delays could extend your travel time.

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 August 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.

$45 Cheap Flights from Wyoming to St. Louis in 2025

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Find the cheapest flights from Wyoming to St. Louis

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:00 am - 9:06 amDEN-STL

2h 06mnonstop

7:55 pm - 9:20 pmSTL-DEN

2h 25mnonstop

$77Frontier

Find Deal

vie., sep. 19 - dom., sep. 21

6:00 am - 9:06 amDEN-STL

2h 06mnonstop

7:55 pm - 9:20 pmSTL-DEN

2h 25mnonstop

$90Frontier

Find Deal

sáb., sep. 20 - lun., sep. 22

1:42 pm - 9:06 amSLC-STL

18h 24m1 stop

7:55 pm - 6:40 pmSTL-SLC

23h 45m2 stops

$210

Find Deal

mar., sep. 9 - mié., sep. 17

9:29 am - 9:54 amSLC-STL

23h 25m2 stops

7:55 pm - 12:46 pmSTL-SLC

17h 51m1 stop

$223

Find Deal

sáb., sep. 6 - mar., sep. 9

5:20 pm - 11:55 pmSLC-STL

5h 35m1 stop

6:40 pm - 11:25 pmSTL-SLC

5h 45m1 stop

$227Southwest

Find Deal

jue., sep. 11 - lun., sep. 15

9:55 am - 6:40 pmSLC-STL

7h 45m1 stop

10:30 am - 5:30 pmSTL-SLC

8h 00m2 stops

$232Southwest

Find Deal

lun., sep. 29 - mar., sep. 30

3:29 pm - 11:59 pmSLC-STL

7h 30m1 stop

6:30 pm - 10:19 amSTL-SLC

16h 49m1 stop

$257Alaska Airlines

Find Deal

jue., sep. 11 - dom., sep. 14

5:50 pm - 11:53 pmCPR-STL

5h 03m1 stop

5:15 am - 10:50 amSTL-CPR

6h 35m1 stop

$338United Airlines

Find Deal

jue., sep. 11 - dom., sep. 14

5:30 am - 6:23 pmCPR-STL

11h 53m2 stops

5:15 am - 10:50 amSTL-CPR

6h 35m1 stop

$454United Airlines

Find Deal

jue., sep. 11 - dom., sep. 14

12:19 pm - 3:01 pmJAC-STL

25h 42m3 stops

6:33 am - 11:47 amSTL-JAC

30h 14m3 stops

$1,086Alaska Airlines

Find Deal

mar., oct. 14 - mar., oct. 21

American Airlines flights from Wyoming to St. Louis

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

American Airlines

Nov 7

JAC1:06 pmJackson Hole

18h 04m

2 stops

STL8:10 amLambert-St Louis

Nov 9

STL5:17 amLambert-St Louis

7h 57m

1 stop

JAC12:14 pmJackson Hole

$398

Find similar

American Airlines

Nov 7

JAC1:06 pmJackson Hole

18h 04m

2 stops

STL8:10 amLambert-St Louis

Nov 9

STL4:48 pmLambert-St Louis

20h 28m

2 stops

JAC12:16 pmJackson Hole

$432

Find similar

American Airlines

Sep 2

JAC12:55 pmJackson Hole

9h 14m

1 stop

STL11:09 pmLambert-St Louis

Sep 5

STL6:20 amLambert-St Louis

7h 04m

1 stop

JAC12:24 pmJackson Hole

$497

Find similar

Frontier flights from Wyoming to St. Louis

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

Frontier

Sep 19

DEN6:00 amDenver Intl

2h 06m

STL9:06 amLambert-St Louis

Sep 21

STL7:55 pmLambert-St Louis

2h 25m

DEN9:20 pmDenver Intl

$77

Find similar

Frontier

Sep 20

DEN6:00 amDenver Intl

2h 06m

STL9:06 amLambert-St Louis

Sep 22

STL7:55 pmLambert-St Louis

2h 25m

DEN9:20 pmDenver Intl

$90

Find similar

Frontier

Oct 10

DEN6:00 amDenver Intl

2h 07m

STL9:07 amLambert-St Louis

Oct 14

STL7:52 pmLambert-St Louis

2h 28m

DEN9:20 pmDenver Intl

$94

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

vie. 9/19

6:00 am-9:06 am

Nonstop2h 06m

Lambert-St Louis

dom. 9/21

7:55 pm-9:20 pm

Nonstop2h 25m

$77

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

sáb. 9/20

6:00 am-9:06 am

Nonstop2h 06m

Lambert-St Louis

lun. 9/22

7:55 pm-9:20 pm

Nonstop2h 25m

$90

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

mar. 9/9

1:42 pm-9:06 am

1 stop18h 24m

Lambert-St Louis

mié. 9/17

7:55 pm-6:40 pm

2 stops23h 45m

$210

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

sáb. 9/6

9:29 am-9:54 am

2 stops23h 25m

Lambert-St Louis

mar. 9/9

7:55 pm-12:46 pm

1 stop17h 51m

$223

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

jue. 9/11

5:20 pm-11:55 pm

1 stop5h 35m

Lambert-St Louis

lun. 9/15

6:40 pm-11:25 pm

1 stop5h 45m

$227

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

lun. 9/29

9:55 am-6:40 pm

1 stop7h 45m

Lambert-St Louis

mar. 9/30

10:30 am-5:30 pm

2 stops8h 00m

$232

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

jue. 9/11

3:29 pm-11:59 pm

1 stop7h 30m

Lambert-St Louis

dom. 9/14

6:30 pm-10:19 am

1 stop16h 49m

$257

CasperSt. Louis

CPR - STL

CPRSTL

Casper Natrona County

jue. 9/11

5:50 pm-11:53 pm

1 stop5h 03m

Lambert-St Louis

dom. 9/14

5:15 am-10:50 am

1 stop6h 35m

$338

CasperSt. Louis

CPR - STL

CPRSTL

Casper Natrona County

jue. 9/11

5:30 am-6:23 pm

2 stops11h 53m

Lambert-St Louis

dom. 9/14

5:15 am-10:50 am

1 stop6h 35m

$454

JacksonSt. Louis

JAC - STL

JACSTL

Jackson Hole

mar. 10/14

12:19 pm-3:01 pm

3 stops25h 42m

Lambert-St Louis

mar. 10/21

6:33 am-11:47 am

3 stops30h 14m

$1,086

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 4% 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

Best Price Found	$45
Fastest flight time	2h 05m
Direct flights	Every day
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from Wyoming in the past 72 hours is $45. The best round-trip flight deal from Wyoming to St. Louis found on momondo in the last 72 hours is $77.

The fastest flight from Wyoming to St. Louis takes 2h 05m

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

There is 1 airport near St. Louis: 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 August 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
Delta	PriceFrom $299	Free Cancellation	Rating 8.0 7,980 reviews		Search Delta flights
United Airlines	PriceFrom $301	Free Cancellation	Rating 7.4 8,916 reviews		Search United Airlines flights

St. Charles

Chesterfield

Fairview Heights

Hermann

Maryland Heights

Florissant

O'Fallon

Fenton

Wentzville

Collinsville

Alton

St. Peters

Farmington

Festus

Glencoe

Eureka

Clayton

Edwardsville

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.