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Cheap flights from Wyoming to St. Louis from $104

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 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Wyoming to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:12 pm - 7:23 pm
DEN
-
STL
2h 11mnonstop
Frontier Logo
8:08 pm - 9:44 pm
STL
-
DEN
2h 36mnonstop
$170Frontier
Wed, Jun 24 - Tue, Jun 30
Frontier Logo
4:10 pm - 7:23 pm
DEN
-
STL
2h 13mnonstop
Frontier Logo
8:08 pm - 9:44 pm
STL
-
DEN
2h 36mnonstop
$183Frontier
Wed, Jul 15 - Sat, Jul 18
Frontier Logo
4:12 pm - 7:15 pm
DEN
-
STL
2h 03mnonstop
Frontier Logo
8:10 pm - 9:49 pm
STL
-
DEN
2h 39mnonstop
$184Frontier
Wed, Oct 14 - Mon, Oct 19
Frontier Logo
4:12 pm - 7:23 pm
DEN
-
STL
2h 11mnonstop
Frontier Logo
8:08 pm - 9:44 pm
STL
-
DEN
2h 36mnonstop
$186Frontier
Wed, Jun 17 - Wed, Jun 24
Delta Logo
6:05 pm - 12:43 am
JAC
-
STL
5h 38m
1 stop
Delta Logo
2:28 pm - 7:42 pm
STL
-
JAC
6h 14m
1 stop
$359Delta
Mon, Jun 15 - Tue, Jun 23
United Airlines Logo
6:05 pm - 11:45 pm
CPR
-
STL
4h 40m
1 stop
United Airlines Logo
4:40 pm - 8:27 pm
STL
-
CPR
4h 47m
1 stop
$388United Airlines
Sat, Oct 3 - Tue, Oct 6
United Airlines Logo
10:06 am - 10:59 pm
CPR
-
STL
11h 53m
2 stops
United Airlines Logo
5:10 am - 8:50 am
STL
-
CPR
4h 40m
1 stop
$394United Airlines
Sat, Oct 3 - Tue, Oct 6
United Airlines Logo
10:01 am - 10:00 pm
CPR
-
STL
10h 59m
2 stops
United Airlines Logo
7:00 am - 5:18 pm
STL
-
CPR
11h 18m
2 stops
$399United Airlines
Sat, Aug 29 - Tue, Sep 1
Delta Logo
6:05 pm - 12:43 am
JAC
-
STL
5h 38m
1 stop
Delta Logo
6:00 am - 5:00 pm
STL
-
JAC
12h 00m
2 stops
$582Delta
Mon, Jun 15 - Tue, Jun 23
Delta Logo
1:15 pm - 11:23 pm
JAC
-
STL
9h 08m
2 stops
Delta Logo
9:21 am - 7:42 pm
STL
-
JAC
11h 21m
2 stops
$1,329Delta
Mon, Jun 15 - Tue, Jun 23

Delta flights from Wyoming to St. Louis

Our best Delta deals on Wyoming to St. Louis flight tickets
Delta
Aug 14
DEN12:45 amDenver Intl
7h 35m
1 stop
STL9:20 amLambert-St Louis
Aug 17
STL3:39 pmLambert-St Louis
7h 26m
1 stop
DEN10:05 pmDenver Intl
$205
Delta
Aug 11
DEN7:05 amDenver Intl
5h 29m
1 stop
STL1:34 pmLambert-St Louis
Aug 18
STL3:39 pmLambert-St Louis
8h 23m
1 stop
DEN11:02 pmDenver Intl
$237
Delta
Aug 11
DEN6:00 amDenver Intl
7h 33m
1 stop
STL2:33 pmLambert-St Louis
Aug 17
STL6:20 amLambert-St Louis
4h 39m
1 stop
DEN9:59 amDenver Intl
$247

Frontier flights from Wyoming to St. Louis

Our best Frontier deals on Wyoming to St. Louis flight tickets
Frontier
Jun 24
DEN4:12 pmDenver Intl
2h 11m
STL7:23 pmLambert-St Louis
Jun 30
STL8:08 pmLambert-St Louis
2h 36m
DEN9:44 pmDenver Intl
$170
Frontier
Jul 15
DEN4:10 pmDenver Intl
2h 13m
STL7:23 pmLambert-St Louis
Jul 18
STL8:08 pmLambert-St Louis
2h 36m
DEN9:44 pmDenver Intl
$183
Frontier
Oct 14
DEN4:12 pmDenver Intl
2h 03m
STL7:15 pmLambert-St Louis
Oct 19
STL8:10 pmLambert-St Louis
2h 39m
DEN9:49 pmDenver Intl
$184

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 June 2, 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

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Wed 6/24

4:12 pm-7:23 pm

Nonstop2h 11m

Lambert-St Louis

Tue 6/30

8:08 pm-9:44 pm

Nonstop2h 36m

$170

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Wed 7/15

4:10 pm-7:23 pm

Nonstop2h 13m

Lambert-St Louis

Sat 7/18

8:08 pm-9:44 pm

Nonstop2h 36m

$183
Quickest round-trip

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Wed 10/14

4:12 pm-7:15 pm

Nonstop2h 03m

Lambert-St Louis

Mon 10/19

8:10 pm-9:49 pm

Nonstop2h 39m

$184

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Wed 6/17

4:12 pm-7:23 pm

Nonstop2h 11m

Lambert-St Louis

Wed 6/24

8:08 pm-9:44 pm

Nonstop2h 36m

$186

JacksonSt. Louis

JAC - STL

JACSTL

Jackson Hole

Mon 6/15

6:05 pm-12:43 am

1 stop5h 38m

Lambert-St Louis

Tue 6/23

2:28 pm-7:42 pm

1 stop6h 14m

$359

CasperSt. Louis

CPR - STL

CPRSTL

Casper Natrona County

Sat 10/3

6:05 pm-11:45 pm

1 stop4h 40m

Lambert-St Louis

Tue 10/6

4:40 pm-8:27 pm

1 stop4h 47m

$388

CasperSt. Louis

CPR - STL

CPRSTL

Casper Natrona County

Sat 10/3

10:06 am-10:59 pm

2 stops11h 53m

Lambert-St Louis

Tue 10/6

5:10 am-8:50 am

1 stop4h 40m

$394

CasperSt. Louis

CPR - STL

CPRSTL

Casper Natrona County

Sat 8/29

10:01 am-10:00 pm

2 stops10h 59m

Lambert-St Louis

Tue 9/1

7:00 am-5:18 pm

2 stops11h 18m

$399

JacksonSt. Louis

JAC - STL

JACSTL

Jackson Hole

Mon 6/15

6:05 pm-12:43 am

1 stop5h 38m

Lambert-St Louis

Tue 6/23

6:00 am-5:00 pm

2 stops12h 00m

$582

JacksonSt. Louis

JAC - STL

JACSTL

Jackson Hole

Mon 6/15

1:15 pm-11:23 pm

2 stops9h 08m

Lambert-St Louis

Tue 6/23

9:21 am-7:42 pm

2 stops11h 21m

$1,329

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

What is the cheapest month to fly to St. Louis?

In general, April is the cheapest month to fly from Wyoming to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of February is another great option to travel to St. Louis, with average flight prices from Wyoming averaging around $0.

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

You could potentially save up to 18% 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

1h 56m

Direct flights

Every day

Airports in St. Louis

1 airport
The fastest flight from Wyoming to St. Louis takes 1h 56m
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

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
9,778 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
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Fenton
Alton
Wentzville
Farmington
Festus
Eureka
Clayton
Litchfield
Edwardsville
Shrewsbury
Grafton

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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