Latest deals
Insights
FAQs
Reviews
Price Alerts

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 5/10. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Wyoming to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:40 am - 9:48 am
DEN
-
STL
2h 08mnonstop
Frontier Logo
8:06 pm - 9:39 pm
STL
-
DEN
2h 33mnonstop
$87Frontier
Mon, Apr 13 - Fri, Apr 17
Frontier Logo
6:40 am - 9:48 am
DEN
-
STL
2h 08mnonstop
Frontier Logo
8:16 pm - 9:49 pm
STL
-
DEN
2h 33mnonstop
$88Frontier
Wed, Apr 1 - Sat, Apr 4
Frontier Logo
4:20 pm - 7:32 pm
DEN
-
STL
2h 12mnonstop
Frontier Logo
8:17 pm - 9:50 pm
STL
-
DEN
2h 33mnonstop
$89Frontier
Sat, Apr 18 - Mon, Apr 27
Frontier Logo
6:40 am - 9:48 am
DEN
-
STL
2h 08mnonstop
Frontier Logo
8:17 pm - 9:50 pm
STL
-
DEN
2h 33mnonstop
$91Frontier
Mon, Apr 13 - Sat, Apr 18
Frontier Logo
6:40 am - 9:48 am
DEN
-
STL
2h 08mnonstop
Frontier Logo
8:16 pm - 9:49 pm
STL
-
DEN
2h 33mnonstop
$97Frontier
Mon, Apr 6 - Wed, Apr 8
United Airlines Logo
3:15 pm - 8:41 pm
CPR
-
STL
4h 26m
1 stop
United Airlines Logo
5:15 am - 10:51 am
STL
-
CPR
6h 36m
1 stop
$310United Airlines
Fri, Mar 13 - Tue, Mar 17
United Airlines Logo
3:15 pm - 8:41 pm
CPR
-
STL
4h 26m
1 stop
United Airlines Logo
11:25 am - 6:57 pm
STL
-
CPR
8h 32m
2 stops
$315United Airlines
Fri, Mar 13 - Tue, Mar 17
Delta Logo
5:59 pm - 12:30 am
JAC
-
STL
5h 31m
1 stop
Delta Logo
3:11 pm - 8:15 pm
STL
-
JAC
6h 04m
1 stop
$489Delta
Fri, May 8 - Mon, May 11
Delta Logo
5:59 pm - 12:30 am
JAC
-
STL
5h 31m
1 stop
Delta Logo
10:15 am - 8:15 pm
STL
-
JAC
11h 00m
2 stops
$562Delta
Fri, May 8 - Mon, May 11
American Airlines Logo
1:25 pm - 10:59 pm
JAC
-
STL
8h 34m
1 stop
American Airlines Logo
8:03 pm - 12:41 pm
STL
-
JAC
17h 38m
2 stops
$569American 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
Apr 13
DEN6:40 amDenver Intl
2h 08m
STL9:48 amLambert-St Louis
Apr 17
STL8:06 pmLambert-St Louis
2h 33m
DEN9:39 pmDenver Intl
$87
Frontier
Apr 1
DEN6:40 amDenver Intl
2h 08m
STL9:48 amLambert-St Louis
Apr 4
STL8:16 pmLambert-St Louis
2h 33m
DEN9:49 pmDenver Intl
$88
Frontier
Apr 18
DEN4:20 pmDenver Intl
2h 12m
STL7:32 pmLambert-St Louis
Apr 27
STL8:17 pmLambert-St Louis
2h 33m
DEN9:50 pmDenver Intl
$89

United Airlines flights from Wyoming to St. Louis

Our best United Airlines deals on Wyoming to St. Louis flight tickets
United Airlines
Apr 25
DEN5:45 pmDenver Intl
2h 09m
STL8:54 pmLambert-St Louis
May 2
STL4:15 pmLambert-St Louis
2h 34m
DEN5:49 pmDenver Intl
$157
United Airlines
Mar 13
CPR3:15 pmCasper Natrona County
4h 26m
1 stop
STL8:41 pmLambert-St Louis
Mar 17
STL5:15 amLambert-St Louis
6h 36m
1 stop
CPR10:51 amCasper Natrona County
$310
United Airlines
Mar 13
CPR3:15 pmCasper Natrona County
4h 26m
1 stop
STL8:41 pmLambert-St Louis
Mar 17
STL11:25 amLambert-St Louis
8h 32m
2 stops
CPR6:57 pmCasper Natrona County
$315

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 March 3, 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

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Mon 4/13

6:40 am-9:48 am

Nonstop2h 08m

Lambert-St Louis

Fri 4/17

8:06 pm-9:39 pm

Nonstop2h 33m

$87

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Wed 4/1

6:40 am-9:48 am

Nonstop2h 08m

Lambert-St Louis

Sat 4/4

8:16 pm-9:49 pm

Nonstop2h 33m

$88

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Sat 4/18

4:20 pm-7:32 pm

Nonstop2h 12m

Lambert-St Louis

Mon 4/27

8:17 pm-9:50 pm

Nonstop2h 33m

$89

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Mon 4/13

6:40 am-9:48 am

Nonstop2h 08m

Lambert-St Louis

Sat 4/18

8:17 pm-9:50 pm

Nonstop2h 33m

$91

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Mon 4/6

6:40 am-9:48 am

Nonstop2h 08m

Lambert-St Louis

Wed 4/8

8:16 pm-9:49 pm

Nonstop2h 33m

$97

CasperSt. Louis

CPR - STL

CPRSTL

Casper Natrona County

Fri 3/13

3:15 pm-8:41 pm

1 stop4h 26m

Lambert-St Louis

Tue 3/17

5:15 am-10:51 am

1 stop6h 36m

$310

CasperSt. Louis

CPR - STL

CPRSTL

Casper Natrona County

Fri 3/13

3:15 pm-8:41 pm

1 stop4h 26m

Lambert-St Louis

Tue 3/17

11:25 am-6:57 pm

2 stops8h 32m

$315

JacksonSt. Louis

JAC - STL

JACSTL

Jackson Hole

Fri 5/8

5:59 pm-12:30 am

1 stop5h 31m

Lambert-St Louis

Mon 5/11

3:11 pm-8:15 pm

1 stop6h 04m

$489

JacksonSt. Louis

JAC - STL

JACSTL

Jackson Hole

Fri 5/8

5:59 pm-12:30 am

1 stop5h 31m

Lambert-St Louis

Mon 5/11

10:15 am-8:15 pm

2 stops11h 00m

$562

JacksonSt. Louis

JAC - STL

JACSTL

Jackson Hole

Fri 5/8

1:25 pm-10:59 pm

1 stop8h 34m

Lambert-St Louis

Mon 5/11

8:03 pm-12:41 pm

2 stops17h 38m

$569

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

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

You could potentially save up to 17% 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 58m

Direct flights

Every day

Airports in St. Louis

1 airport
The fastest flight from Wyoming to St. Louis takes 1h 58m
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?

  • 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 $238Free CancellationRating
7.4
9,377 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
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
St. Peters
Wentzville
Collinsville
Alton
Fenton
Farmington
Edwardsville
Festus
Clayton
Eureka
Litchfield
Glencoe
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.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/2
Thu 4/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States