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Cheap flights from St. Louis to Wyoming from $47

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Wyoming departing on 11/18. 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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Find the cheapest flights from St. Louis to Wyoming

Cheap round-trip flights

Frontier Logo
7:52 pm - 9:20 pmSTL-DEN
2h 28mnonstop
Frontier Logo
6:00 am - 9:07 amDEN-STL
2h 07mnonstop
$81Frontier
Find Deal
sáb., oct. 11 - lun., oct. 13
Frontier Logo
7:52 pm - 9:20 pmSTL-DEN
2h 28mnonstop
Frontier Logo
6:00 am - 9:07 amDEN-STL
2h 07mnonstop
$82Frontier
Find Deal
vie., oct. 24 - lun., oct. 27
Multiple Airlines Logo
7:55 pm - 5:52 pmSTL-SLC
22h 57m2 stops
Multiple Airlines Logo
9:45 pm - 9:07 amSLC-STL
10h 22m1 stop
$225Multiple Airlines
Find Deal
dom., sep. 28 - lun., oct. 6
Multiple Airlines Logo
7:00 am - 2:29 pmSTL-SLC
8h 29m1 stop
Multiple Airlines Logo
8:10 pm - 9:07 amSLC-STL
11h 57m1 stop
$262Multiple Airlines
Find Deal
vie., oct. 31 - vie., oct. 31
United Airlines Logo
5:15 am - 10:47 amSTL-CPR
6h 32m1 stop
United Airlines Logo
6:00 pm - 11:58 pmCPR-STL
4h 58m1 stop
$314United Airlines
Find Deal
mié., oct. 1 - dom., oct. 5
United Airlines Logo
11:10 am - 6:47 pmSTL-CPR
8h 37m2 stops
United Airlines Logo
6:00 pm - 11:58 pmCPR-STL
4h 58m1 stop
$319United Airlines
Find Deal
mié., oct. 1 - dom., oct. 5
American Airlines Logo
7:54 pm - 12:29 pmSTL-JAC
17h 35m1 stop
American Airlines Logo
1:25 pm - 10:08 pmJAC-STL
7h 43m1 stop
$362American Airlines
Find Deal
lun., oct. 27 - sáb., nov. 1
American Airlines Logo
6:21 pm - 12:08 pmSTL-JAC
18h 47m1 stop
American Airlines Logo
1:33 pm - 11:59 pmJAC-STL
9h 26m1 stop
$372American Airlines
Find Deal
jue., feb. 5 - lun., feb. 9
Delta Logo
6:50 am - 12:05 pmSTL-JAC
6h 15m1 stop
Delta Logo
1:00 pm - 11:07 pmJAC-STL
9h 07m2 stops
$404Delta
Find Deal
lun., oct. 27 - sáb., nov. 1
Delta Logo
6:30 am - 4:33 pmSTL-JAC
11h 03m2 stops
Delta Logo
1:10 pm - 11:40 pmJAC-STL
9h 30m2 stops
$409Delta
Find Deal
jue., ene. 8 - mar., ene. 13

Frontier flights from St. Louis to Wyoming

Our best Frontier deals on St. Louis to Wyoming flight tickets
Frontier
Oct 11
STL7:52 pmLambert-St Louis
2h 28m
DEN9:20 pmDenver Intl
Oct 13
DEN6:00 amDenver Intl
2h 07m
STL9:07 amLambert-St Louis
$81
Find similar
Frontier
Oct 24
STL7:52 pmLambert-St Louis
2h 28m
DEN9:20 pmDenver Intl
Oct 27
DEN6:00 amDenver Intl
2h 07m
STL9:07 amLambert-St Louis
$82
Find similar
Frontier
Oct 7
STL7:52 pmLambert-St Louis
2h 28m
DEN9:20 pmDenver Intl
Oct 8
DEN6:00 amDenver Intl
2h 07m
STL9:07 amLambert-St Louis
$83
Find similar

Southwest flights from St. Louis to Wyoming

Our best Southwest deals on St. Louis to Wyoming flight tickets
Southwest
Oct 2
STL6:55 pmLambert-St Louis
6h 25m
1 stop
SLC12:20 amSalt Lake City
Oct 4
SLC6:30 amSalt Lake City
11h 10m
2 stops
STL6:40 pmLambert-St Louis
$561
Find similar
Southwest
Oct 2
STL11:50 amLambert-St Louis
7h 50m
2 stops
SLC6:40 pmSalt Lake City
Oct 4
SLC6:30 amSalt Lake City
13h 20m
2 stops
STL8:50 pmLambert-St Louis
$597
Find similar
Southwest
Oct 2
STL11:50 amLambert-St Louis
7h 50m
2 stops
SLC6:40 pmSalt Lake City
Oct 16
SLC5:50 amSalt Lake City
7h 55m
2 stops
STL2:45 pmLambert-St Louis
$617
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Wyoming 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 septiembre 18, 2025.
Use the filters below to find and compare flights from St. Louis to Wyoming that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

sáb. 10/11

7:52 pm-9:20 pm

Nonstop2h 28m

Denver Intl

lun. 10/13

6:00 am-9:07 am

Nonstop2h 07m

$81

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

vie. 10/24

7:52 pm-9:20 pm

Nonstop2h 28m

Denver Intl

lun. 10/27

6:00 am-9:07 am

Nonstop2h 07m

$82

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

dom. 9/28

7:55 pm-5:52 pm

2 stops22h 57m

Salt Lake City

lun. 10/6

9:45 pm-9:07 am

1 stop10h 22m

$225

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

vie. 10/31

7:00 am-2:29 pm

1 stop8h 29m

Salt Lake City

vie. 10/31

8:10 pm-9:07 am

1 stop11h 57m

$262

St. LouisCasper

STL - CPR

STLCPR

Lambert-St Louis

mié. 10/1

5:15 am-10:47 am

1 stop6h 32m

Casper Natrona County

dom. 10/5

6:00 pm-11:58 pm

1 stop4h 58m

$314

St. LouisCasper

STL - CPR

STLCPR

Lambert-St Louis

mié. 10/1

11:10 am-6:47 pm

2 stops8h 37m

Casper Natrona County

dom. 10/5

6:00 pm-11:58 pm

1 stop4h 58m

$319

St. LouisJackson

STL - JAC

STLJAC

Lambert-St Louis

lun. 10/27

7:54 pm-12:29 pm

1 stop17h 35m

Jackson Hole

sáb. 11/1

1:25 pm-10:08 pm

1 stop7h 43m

$362

St. LouisJackson

STL - JAC

STLJAC

Lambert-St Louis

jue. 2/5

6:21 pm-12:08 pm

1 stop18h 47m

Jackson Hole

lun. 2/9

1:33 pm-11:59 pm

1 stop9h 26m

$372

St. LouisJackson

STL - JAC

STLJAC

Lambert-St Louis

lun. 10/27

6:50 am-12:05 pm

1 stop6h 15m

Jackson Hole

sáb. 11/1

1:00 pm-11:07 pm

2 stops9h 07m

$404

St. LouisJackson

STL - JAC

STLJAC

Lambert-St Louis

jue. 1/8

6:30 am-4:33 pm

2 stops11h 03m

Jackson Hole

mar. 1/13

1:10 pm-11:40 pm

2 stops9h 30m

$409

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 Wyoming from

How to get the cheapest flight ticket from St. Louis to Wyoming

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 Wyoming?

The cheapest month to fly to Wyoming from St. Louis is in April. Flight prices, which tend to average around $414, are often lower during this time because this is during the off-season. If you aren’t able to travel to Wyoming during the month of April, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $445.

What is the cheapest day to depart on your flight to Wyoming?

The cheapest day to depart from St. Louis to Wyoming is on a Wednesday. Travelers who choose to depart for Wyoming on a Wednesday will often find tickets for as low as $496. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Wyoming for around $604.

What is the cheapest time of day to depart on your flight to Wyoming?

Our most recent data shows that the best time of day to fly to Wyoming is at noon. Flights from St. Louis to Wyoming during this time can be as low as $532. In the afternoon is when there is more demand to fly to Wyoming, so prices are often more expensive at around $545 per ticket.

How far in advance should I book a flight to Wyoming?

You are more likely to see cheaper flights to Wyoming from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Wyoming for around $524 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Wyoming from St. Louis for as low as $418 on momondo.

Cheap St. Louis to Wyoming flight deals and tips

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

Fastest flight time

2h 15m

Direct flights

Every day

Airports in Wyoming

1 airport
The fastest flight from St. Louis to Wyoming takes 2h 15m
Direct flights go from St. Louis to Wyoming every day.
There is 1 airport near Wyoming: Denver Intl (DEN)
Search flight deals

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

    Prices for flights from Lambert-St Louis Airport to Wyoming refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Wyoming.

  • What documentation or ID do you need to fly to Wyoming?

    The travel and health documents you'll need for your trip to Wyoming may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Wyoming. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Wyoming

Compare and see reviews for airlines that fly from St. Louis to Wyoming with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $226Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $249Free CancellationRating
7.9
7,964 reviews
Search Delta flights
American AirlinesPriceFrom $352Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Wyoming from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Wyoming.

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

If you are simply researching potential flights to Wyoming, momondo offers a useful price alert feature which will track prices for flights to Wyoming from St. Louis and alert you when they change.

An easier way to manage your Wyoming trip

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