What are the cheapest airlines to fly from Wyoming to St. Louis one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $59. United Airlines flights start at $79 while deals on Southwest start at $84 one-way.

What is the cheapest month to book a flight from Wyoming to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Wyoming to St. Louis (average of $311). Flying from Wyoming to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the most popular routes from Wyoming to St. Louis?

Most travelers choose Denver Intl - Lambert-St Louis, Salt Lake City - Lambert-St Louis or Jackson Hole - Lambert-St Louis when deciding on the best route from Wyoming to St. Louis.

What is the cheapest time of day to fly from WY to STL?

When flying from Wyoming to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to St. Louis from Wyoming?

Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Wyoming to St. Louis. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

Can I find deals for flights from Wyoming to St. Louis that include hotel bookings?

Yes. In addition to deals on Wyoming to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Wyoming to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wyoming to St. Louis.

Can I find deals for business class flights from Wyoming to St. Louis?

Yes. Cheapflights offers flight deals from Wyoming to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$59+ Flights from Wyoming to St. Louis

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Cheap flight deals from Wyoming to St. Louis

Round-trip from	$136 (Frontier)
One-way from	$59 (Priceline)

From Wyoming to Lambert-St Louis

Search Deals

One-way flight from Wyoming to Lambert-St Louis

Search Deals

Find flight deals from Wyoming to St. Louis

Cheapest flights from Wyoming to St. Louis
Explore the most affordable flight options available from Wyoming to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Wed 10/88:44 pmDEN - STL

1 stop11h 08mFrontier

Sat 10/117:52 pmSTL - DEN

Nonstop2h 28mFrontier

Deal found 7/3

$135

Tue 8/57:10 amDEN - STL

Nonstop2h 00mSouthwest

Mon 8/114:25 pmSTL - DEN

1 stop4h 50mSouthwest

Deal found 7/3

$167

Mon 9/156:45 amSLC - STL

1 stop25h 21mFrontier

Sat 9/207:55 pmSTL - SLC

1 stop12h 37mFrontier

Deal found 7/2

$190

Sun 9/79:45 pmSLC - STL

1 stop10h 21mMultiple Airlines

Wed 9/243:35 pmSTL - SLC

1 stop7h 18mMultiple Airlines

Deal found 7/2

$266

Thu 8/213:02 pmSLC - STL

2 stops21h 30mSpirit Airlines

Sun 8/242:30 pmSTL - SLC

3 stops24h 27mSpirit Airlines

Deal found 7/2

$304

Wed 8/67:55 amSLC - STL

2 stops8h 50mSouthwest

Thu 8/75:35 amSTL - SLC

1 stop5h 55mSouthwest

Deal found 6/30

$322

Tue 9/23:27 pmJAC - STL

1 stop5h 50mAmerican Airlines

Fri 9/56:20 amSTL - JAC

1 stop7h 04mAmerican Airlines

Deal found 7/3

$395

Tue 9/27:30 amJAC - STL

1 stop5h 00mDelta

Fri 9/511:29 amSTL - JAC

2 stops11h 00mDelta

Deal found 7/3

$472

Fri 7/257:50 amJAC - STL

1 stop7h 55mUnited Airlines

Sun 7/2711:25 amSTL - JAC

1 stop8h 40mUnited Airlines

Deal found 7/1

$475

Fri 7/41:02 pmJAC - STL

1 stop24h 24mAlaska Airlines

Sun 7/63:24 pmSTL - JAC

1 stop20h 46mAlaska Airlines

Deal found 7/1

$732

Best flights from Wyoming to St. Louis
Discover carefully curated flight deals from Wyoming to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Mon 8/116:00 amDEN - STL

Nonstop2h 11mFrontier

Sat 8/162:52 pmSTL - DEN

1 stop7h 25mFrontier

Deal found 7/3

$136

Tue 8/57:10 amDEN - STL

Nonstop2h 00mSouthwest

Mon 8/114:25 pmSTL - DEN

1 stop4h 50mSouthwest

Deal found 7/3

$167

Sun 9/79:45 pmSLC - STL

1 stop10h 21mMultiple Airlines

Wed 9/243:35 pmSTL - SLC

1 stop7h 18mMultiple Airlines

Deal found 7/2

$266

Thu 8/213:02 pmSLC - STL

2 stops21h 30mSpirit Airlines

Sun 8/242:30 pmSTL - SLC

3 stops24h 27mSpirit Airlines

Deal found 7/2

$304

Sun 8/312:18 amSLC - STL

1 stop6h 56mAmerican Airlines

Thu 8/75:27 amSTL - SLC

1 stop7h 36mAmerican Airlines

Deal found 6/30

$317

Mon 9/156:45 amSLC - STL

1 stop25h 21mFrontier

Sat 9/207:55 pmSTL - SLC

1 stop12h 37mFrontier

Deal found 7/2

$190

Tue 9/27:30 amJAC - STL

1 stop5h 00mDelta

Fri 9/511:29 amSTL - JAC

2 stops11h 00mDelta

Deal found 7/3

$472

Fri 7/257:50 amJAC - STL

1 stop7h 55mUnited Airlines

Sun 7/2711:25 amSTL - JAC

1 stop8h 40mUnited Airlines

Deal found 7/1

$475

Wed 8/67:55 amSLC - STL

2 stops8h 50mSouthwest

Thu 8/75:35 amSTL - SLC

1 stop5h 55mSouthwest

Deal found 6/30

$322

Tue 9/23:27 pmJAC - STL

1 stop5h 50mAmerican Airlines

Fri 9/56:20 amSTL - JAC

1 stop7h 04mAmerican Airlines

Deal found 7/3

$395

Last-minute flights from Wyoming to St. Louis
Discover last-minute flight deals from Wyoming to St. Louis. Data last updated July 3, 2025 and is based on user searches.

Fri 7/41:02 pmJAC - STL

1 stop24h 24mAlaska Airlines

Sun 7/63:24 pmSTL - JAC

1 stop20h 46mAlaska Airlines

Deal found 7/1

$732

Wed 7/96:00 amDEN - STL

Nonstop2h 11mFrontier

Wed 7/97:29 pmSTL - DEN

Nonstop2h 29mFrontier

Deal found 7/3

$144

Wed 7/96:35 amDEN - STL

1 stop6h 55mDelta

Sat 7/125:23 pmSTL - DEN

1 stop6h 06mDelta

Deal found 7/2

$357

Wed 7/912:33 pmSLC - STL

1 stop20h 19mMultiple Airlines

Fri 7/117:29 pmSTL - SLC

1 stop5h 35mMultiple Airlines

Deal found 7/1

$398

Wed 7/912:18 amSLC - STL

1 stop10h 40mAmerican Airlines

Tue 7/1512:41 pmSTL - SLC

1 stop11h 32mAmerican Airlines

Deal found 7/2

$704

Thu 7/108:42 pmSLC - STL

1 stop11h 29mFrontier

Thu 7/178:44 pmSTL - SLC

2 stops20h 54mFrontier

Deal found 7/3

$283

Thu 7/108:22 pmDEN - STL

3 stops21h 19mMultiple Airlines

Sat 7/128:40 amSTL - DEN

1 stop13h 16mMultiple Airlines

Deal found 7/2

$359

Thu 7/109:52 pmSLC - STL

2 stops11h 00mSpirit Airlines

Thu 7/175:26 pmSTL - SLC

2 stops21h 22mSpirit Airlines

Deal found 7/2

$518

Sat 7/128:40 pmDEN - STL

Nonstop2h 19mUnited Airlines

Sun 7/205:15 amSTL - DEN

Nonstop2h 37mUnited Airlines

Deal found 7/2

$352

Sat 7/1211:20 amSLC - STL

Nonstop2h 50mSouthwest

Sun 7/205:50 amSTL - SLC

1 stop9h 00mSouthwest

Deal found 7/2

$654

Sun 7/136:06 pmSLC - STL

1 stop4h 53mUnited Airlines

Thu 7/245:00 amSTL - SLC

1 stop7h 40mUnited Airlines

Deal found 7/3

$673

Sun 7/138:50 pmSLC - STL

Nonstop2h 48mDelta

Thu 7/247:15 pmSTL - SLC

Nonstop3h 06mDelta

Deal found 7/3

$689

One-way flights from Wyoming to St. Louis
Search for one-way flight options from Wyoming to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Fri 9/512:40 pmSLC - STL

1 stop7h 04mFrontier

Deal found 7/2

$59

Wed 7/96:00 amDEN - STL

Nonstop2h 11mFrontier

Deal found 7/2

$75

Thu 8/148:40 pmDEN - STL

Nonstop2h 19mUnited Airlines

Deal found 7/2

$79

Mon 8/182:10 pmDEN - STL

1 stop3h 25mSouthwest

Deal found 7/2

$84

Tue 9/3011:59 pmDEN - STL

1 stop8h 17mAmerican Airlines

Deal found 7/3

$89

Fri 8/112:59 amDEN - STL

1 stop7h 02mDelta

Deal found 7/3

$99

Sat 8/233:02 pmSLC - STL

2 stops21h 30mSpirit Airlines

Deal found 6/30

$121

Sun 8/312:18 amSLC - STL

1 stop6h 56mAmerican Airlines

Deal found 7/2

$159

Wed 8/67:55 amSLC - STL

2 stops8h 55mSouthwest

Deal found 7/3

$164

Sun 8/317:30 amJAC - STL

1 stop4h 59mDelta

Deal found 7/3

$175

Sat 8/167:00 amSLC - STL

2 stops7h 47mUnited Airlines

Deal found 7/2

$182

Wed 8/68:00 amJAC - STL

2 stops13h 45mUnited Airlines

Deal found 7/3

$295

Cheapflights Fare Finder

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

Wed 8/6

6:00 am-9:11 am

Nonstop2h 11m

Lambert-St Louis

Wed 8/13

7:29 pm-8:58 pm

Nonstop2h 29m

$135

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Thu 8/7

5:30 am-8:30 am

Nonstop2h 00m

Lambert-St Louis

Tue 8/12

10:45 am-4:05 pm

2 stops6h 20m

$168

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Mon 9/15

6:45 am-9:06 am

1 stop25h 21m

Lambert-St Louis

Sat 9/20

7:55 pm-7:32 am

1 stop12h 37m

$190

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sun 9/7

9:45 pm-9:06 am

1 stop10h 21m

Lambert-St Louis

Wed 9/24

3:35 pm-9:53 pm

1 stop7h 18m

$266

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 8/21

3:02 pm-1:32 pm

2 stops21h 30m

Lambert-St Louis

Sun 8/24

2:30 pm-1:57 pm

3 stops24h 27m

$304

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sun 8/3

12:18 am-8:14 am

1 stop6h 56m

Lambert-St Louis

Thu 8/7

5:27 am-12:03 pm

1 stop7h 36m

$317

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 8/6

7:55 am-5:45 pm

2 stops8h 50m

Lambert-St Louis

Thu 8/7

5:35 am-10:30 am

1 stop5h 55m

$322

JacksonSt. Louis

JAC - STL

JACSTL

Jackson Hole

Tue 9/2

3:27 pm-10:17 pm

1 stop5h 50m

Lambert-St Louis

Fri 9/5

6:20 am-12:24 pm

1 stop7h 04m

$395

JacksonSt. Louis

JAC - STL

JACSTL

Jackson Hole

Tue 9/2

7:30 am-1:30 pm

1 stop5h 00m

Lambert-St Louis

Fri 9/5

11:29 am-9:29 pm

2 stops11h 00m

$472

JacksonSt. Louis

JAC - STL

JACSTL

Jackson Hole

Fri 7/25

7:50 am-4:45 pm

1 stop7h 55m

Lambert-St Louis

Sun 7/27

11:25 am-7:05 pm

1 stop8h 40m

$475

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 22 results

Best time to book a flight from Wyoming to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Wyoming with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Wyoming to St. Louis

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing St. Louis

Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Wyoming to St. Louis by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,270 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,270 reviews

Southwest

8.0

Very good

4,270 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,970 reviews

Southwest

8.0

Very good

4,270 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,845 reviews

Southwest

8.0

Very good

4,270 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,270 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Spirit Airlines

6.3

Okay

8,094 reviews

Southwest

8.0

Very good

4,270 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What airport do you fly into for flights to St. Louis from Wyoming?
Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Wyoming to St. Louis. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.
What are the cheapest airlines to fly from Wyoming to St. Louis one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $59. United Airlines flights start at $79 while deals on Southwest start at $84 one-way.
What are the most popular routes from Wyoming to St. Louis?
Most travelers choose Denver Intl - Lambert-St Louis, Salt Lake City - Lambert-St Louis or Jackson Hole - Lambert-St Louis when deciding on the best route from Wyoming to St. Louis.
Can I find deals for flights from Wyoming to St. Louis that include hotel bookings?
Yes. In addition to deals on Wyoming to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Wyoming to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wyoming to St. Louis.
Can I find deals for business class flights from Wyoming to St. Louis?
Yes. Cheapflights offers flight deals from Wyoming to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Wyoming to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Wyoming to St. Louis (average of $311). Flying from Wyoming to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

O'Fallon

Maryland Heights

Fairview Heights

Collinsville

Eureka

St. Peters

Glencoe

Alton

Festus

Chesterfield

Farmington

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Wyoming to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$299	Average$414	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$301	Average$522	FlexibilityNo cancel fee	On-time69%

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$59+ Cheap flights from Wyoming to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Wyoming to St. Louis with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Wyoming to St. Louis

Keep the following information in mind while searching for Wyoming to St. Louis flight deals. Data was last updated July 3, 2025.

Round-trip from

One-way from

Find flight deals from Wyoming to St. Louis

Cheapest flights from Wyoming to St. LouisExplore the most affordable flight options available from Wyoming to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Wyoming to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Wyoming to St. Louis that are best for you.

Best time to book a flight from Wyoming to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Wyoming with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Wyoming to St. Louis

Reviews of airlines servicing St. Louis

Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Wyoming to St. Louis by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Wyoming to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to St. Louis from Wyoming?

What are the cheapest airlines to fly from Wyoming to St. Louis one-way?

What are the most popular routes from Wyoming to St. Louis?

Can I find deals for flights from Wyoming to St. Louis that include hotel bookings?

How can I find direct flights from Wyoming to St. Louis?

Can I find deals for business class flights from Wyoming to St. Louis?

What is the cheapest month to book a flight from Wyoming to St. Louis?

Traveling to a place near Wyoming?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Wyoming to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Wyoming to St. Louis

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Travel Smart

Cheapest flights from Wyoming to St. Louis
Explore the most affordable flight options available from Wyoming to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.