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Cheap flights from Wyoming to St. Louis from $43

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Wyoming to St. Louis departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Wyoming to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:25 am - 7:15 pmSLC  Salt Lake City-STL Lambert-St Louis
10h 50m1 stop Denver Intl
Frontier Logo
8:10 pm - 8:03 amSTL  Lambert-St Louis-SLC Salt Lake City
12h 53m1 stop Denver Intl
$162Frontier
Fri, Nov 6 - Sun, Nov 8
Frontier Logo
4:16 pm - 7:17 pmSLC  Salt Lake City-STL Lambert-St Louis
26h 01m1 stop Denver Intl
Frontier Logo
8:10 pm - 8:03 amSTL  Lambert-St Louis-SLC Salt Lake City
12h 53m1 stop Denver Intl
$164Frontier
Thu, Oct 1 - Wed, Oct 7
Southwest Logo
7:00 am - 10:00 amDEN  Denver Intl-STL Lambert-St Louis
2h 00mnonstop
Southwest Logo
6:05 pm - 7:20 pmSTL  Lambert-St Louis-DEN Denver Intl
2h 15mnonstop
$197Southwest
Thu, Sep 10 - Fri, Sep 11
Southwest Logo
6:20 pm - 9:40 pmDEN  Denver Intl-STL Lambert-St Louis
2h 20mnonstop
Southwest Logo
12:20 pm - 1:35 pmSTL  Lambert-St Louis-DEN Denver Intl
2h 15mnonstop
$200Southwest
Sat, Sep 5 - Wed, Sep 9
United Airlines Logo
5:59 pm - 8:59 pmDEN  Denver Intl-STL Lambert-St Louis
2h 00mnonstop
United Airlines Logo
1:30 pm - 3:00 pmSTL  Lambert-St Louis-DEN Denver Intl
2h 30mnonstop
$204United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
5:52 pm - 8:59 pmDEN  Denver Intl-STL Lambert-St Louis
2h 07mnonstop
United Airlines Logo
4:39 pm - 6:10 pmSTL  Lambert-St Louis-DEN Denver Intl
2h 31mnonstop
$204United Airlines
Wed, Nov 4 - Sat, Nov 7
Multiple Airlines Logo
4:12 pm - 7:17 pmDEN  Denver Intl-STL Lambert-St Louis
2h 05mnonstop
Multiple Airlines Logo
2:00 pm - 9:49 pmSTL  Lambert-St Louis-DEN Denver Intl
8h 49m2 stops Jonesboro Nashville Intl
$211Multiple Airlines
Fri, Sep 11 - Thu, Oct 8
American Airlines Logo
12:39 pm - 7:51 pmDEN  Denver Intl-STL Lambert-St Louis
6h 12m1 stop Dallas/Fort Worth
American Airlines Logo
8:36 am - 3:29 pmSTL  Lambert-St Louis-DEN Denver Intl
7h 53m1 stop Dallas/Fort Worth
$232American Airlines
Thu, Sep 3 - Sun, Sep 6
Delta Logo
1:55 pm - 5:44 pmSLC  Salt Lake City-STL Lambert-St Louis
2h 49mnonstop
Delta Logo
7:00 pm - 9:17 pmSTL  Lambert-St Louis-SLC Salt Lake City
3h 17mnonstop
$449Delta
Thu, Oct 22 - Sun, Oct 25
Delta Logo
9:35 am - 1:30 pmSLC  Salt Lake City-STL Lambert-St Louis
2h 55mnonstop
Delta Logo
2:22 pm - 4:38 pmSTL  Lambert-St Louis-SLC Salt Lake City
3h 16mnonstop
$449Delta
Thu, Oct 1 - Wed, Oct 7

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Southwest flights from Wyoming to St. Louis

Our best Southwest deals on Wyoming to St. Louis flight tickets
Southwest
Sep 10
DEN7:00 amDenver Intl
2h 00m
STL10:00 amLambert-St Louis
Sep 11
STL6:05 pmLambert-St Louis
2h 15m
DEN7:20 pmDenver Intl
$197
Southwest
Sep 5
DEN6:20 pmDenver Intl
2h 20m
STL9:40 pmLambert-St Louis
Sep 9
STL12:20 pmLambert-St Louis
2h 15m
DEN1:35 pmDenver Intl
$200
Southwest
Sep 5
DEN1:25 pmDenver Intl
8h 00m
1 stop
STL10:25 pmLambert-St Louis
Sep 8
STL8:50 pmLambert-St Louis
2h 20m
DEN10:10 pmDenver Intl
$201

United Airlines flights from Wyoming to St. Louis

Our best United Airlines deals on Wyoming to St. Louis flight tickets
United Airlines
Sep 10
DEN8:25 pmDenver Intl
2h 06m
STL11:31 pmLambert-St Louis
Sep 14
STL4:40 pmLambert-St Louis
2h 30m
DEN6:10 pmDenver Intl
$216
United Airlines
Nov 14
CPR11:24 amCasper Natrona County
4h 33m
1 stop
STL4:57 pmLambert-St Louis
Nov 18
STL1:40 pmLambert-St Louis
6h 13m
1 stop
CPR6:53 pmCasper Natrona County
$388
United Airlines
Nov 14
CPR3:13 pmCasper Natrona County
4h 46m
1 stop
STL8:59 pmLambert-St Louis
Nov 18
STL9:40 amLambert-St Louis
11h 52m
2 stops
CPR8:32 pmCasper Natrona County
$394

momondo Fare Finder

 
Customize your flight search to find flights from Wyoming to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 11, 2026.
Use the filters below to find and compare flights from Wyoming to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Salt Lake CitySt. Louis

SLC Salt Lake City - STL Lambert-St Louis

SLCSTL

Salt Lake City

Fri 11/6

7:25 am-7:15 pm

1 stop10h 50m

Lambert-St Louis

Sun 11/8

8:10 pm-8:03 am

1 stop12h 53m

$162

Salt Lake CitySt. Louis

SLC Salt Lake City - STL Lambert-St Louis

SLCSTL

Salt Lake City

Thu 10/1

4:16 pm-7:17 pm

1 stop26h 01m

Lambert-St Louis

Wed 10/7

8:10 pm-8:03 am

1 stop12h 53m

$164
Quickest round-trip

DenverSt. Louis

DEN Denver Intl - STL Lambert-St Louis

DENSTL

Denver Intl

Thu 9/10

7:00 am-10:00 am

Nonstop2h 00m

Lambert-St Louis

Fri 9/11

6:05 pm-7:20 pm

Nonstop2h 15m

$197

DenverSt. Louis

DEN Denver Intl - STL Lambert-St Louis

DENSTL

Denver Intl

Sat 9/5

6:20 pm-9:40 pm

Nonstop2h 20m

Lambert-St Louis

Wed 9/9

12:20 pm-1:35 pm

Nonstop2h 15m

$200

DenverSt. Louis

DEN Denver Intl - STL Lambert-St Louis

DENSTL

Denver Intl

Sat 1/23

5:59 pm-8:59 pm

Nonstop2h 00m

Lambert-St Louis

Wed 1/27

1:30 pm-3:00 pm

Nonstop2h 30m

$204

DenverSt. Louis

DEN Denver Intl - STL Lambert-St Louis

DENSTL

Denver Intl

Wed 11/4

5:52 pm-8:59 pm

Nonstop2h 07m

Lambert-St Louis

Sat 11/7

4:39 pm-6:10 pm

Nonstop2h 31m

$204

DenverSt. Louis

DEN Denver Intl - STL Lambert-St Louis

DENSTL

Denver Intl

Fri 9/11

4:12 pm-7:17 pm

Nonstop2h 05m

Lambert-St Louis

Thu 10/8

2:00 pm-9:49 pm

2 stops8h 49m

$211

DenverSt. Louis

DEN Denver Intl - STL Lambert-St Louis

DENSTL

Denver Intl

Thu 9/3

12:39 pm-7:51 pm

1 stop6h 12m

Lambert-St Louis

Sun 9/6

8:36 am-3:29 pm

1 stop7h 53m

$232

Salt Lake CitySt. Louis

SLC Salt Lake City - STL Lambert-St Louis

SLCSTL

Salt Lake City

Thu 10/22

1:55 pm-5:44 pm

Nonstop2h 49m

Lambert-St Louis

Sun 10/25

7:00 pm-9:17 pm

Nonstop3h 17m

$449

Salt Lake CitySt. Louis

SLC Salt Lake City - STL Lambert-St Louis

SLCSTL

Salt Lake City

Thu 10/1

9:35 am-1:30 pm

Nonstop2h 55m

Lambert-St Louis

Wed 10/7

2:22 pm-4:38 pm

Nonstop3h 16m

$449

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

You could potentially save up to 54% 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).
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Frequently asked questions about flying from Wyoming to St. Louis

  • 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?

  • 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 AirlinesPriceFrom $248Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
St. Peters
Maryland Heights
Collinsville
Florissant
Alton
O'Fallon
Farmington
Clayton
Fenton
Festus
Wentzville
Eureka
Edwardsville
Litchfield
Grafton
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.

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