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STL

Find cheap Southwest flights to St. Louis from $84

1 adult
0 bags

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Good to know

Low season

January

High season

May

Cheapest flight

$84

Average price round-trip

$317
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly and prices are also 0% lower on average.
Flight from Denver to St. Louis
(price for this month)

When to book flights with Southwest to St. Louis

Average price per month
Flight prices as travel date approaches

FAQs for flying to St. Louis with Southwest

  • Which other airlines fly to St. Louis?

    Along with Southwest, you can also fly to St. Louis with Delta, American Airlines, United Airlines, United Airlines, Spirit Airlines, Avelo Airlines, Frontier, Delta and Southern / Mokulele.

  • How much is a flight to St. Louis with Southwest?

    On average, Southwest flights to St. Louis cost $239 one-way.

  • Which airport do Southwest flights to St. Louis fly into?

    You’ll fly into St. Louis Lambert Airport when flying to St. Louis with Southwest.

Top tips for your flights to St. Louis with Southwest

  • The cheapest flight to St. Louis with Southwest found on KAYAK in the last 2 weeks departed from Chicago Midway Airport and cost $44.

Southwest customer reviews

8.1
Very goodBased on 5,333 verified guest reviews
8.1Comfort
8.7Crew
7.3Food
8.3Boarding
7.8Entertainment
Pros +
Cons -
Show reviews that mention
Traveler rating:
Sort by:
D
8.0 Very good
Cons:Plane was a little older. But the staff was terrific
J
10.0 Wonderful
Pros:Crew was amazing, seats were very comfortable
Cons:To leave on time
C
8.3 Very good
Pros:Happy attitudes of crew and gate assistants - efficiency and politeness with a good sense of humor.
Cons:Maybe a new kind of snack?
G
9.3 Wonderful
Cons:In-flight wifi service was flaky and was unable to watch on-demand movies until an hour into the flight.
R
5.0 Fair
Pros:Nothing in particular. Vouchers for future flights
Cons:Not having a 5-hour delay.
호
3.6 Poor
Cons:Complicate ways and direction to gates
D
8.6 Very good
Cons:Steak
E
7.0 Good
Cons:More space for the legs
I
8.3 Very good
Cons:More snack options than pretzels
D
8.0 Very good
Pros:Nonstop flight. Pilot or co-pilot were very nice and communicated well. Our flight was delayed an hour due to too much air traffic.
Read more about Southwest

Book Cheap flights with Southwest to St. Louis

Recent round-trip flight deals

10/22Tue
1 stopSouthwest
5h 25mDEN-STL
10/26Sat
nonstopSouthwest
2h 25mSTL-DEN
$163
11/7Thu
nonstopSouthwest
1h 45mMSP-STL
11/11Mon
nonstopSouthwest
1h 30mSTL-MSP
$182
10/15Tue
nonstopSouthwest
2h 15mDCA-STL
10/15Tue
nonstopSouthwest
2h 00mSTL-DCA
$185
11/1Fri
nonstopSouthwest
1h 30mMSP-STL
11/4Mon
1 stopSouthwest
5h 55mSTL-MSP
$191
11/2Sat
nonstopSouthwest
2h 15mDCA-STL
11/6Wed
1 stopSouthwest
4h 15mSTL-DCA
$199
11/1Fri
1 stopSouthwest
8h 15mMSP-STL
11/3Sun
1 stopSouthwest
7h 00mSTL-MSP
$200
11/6Wed
nonstopSouthwest
2h 55mLGA-STL
11/10Sun
nonstopSouthwest
2h 25mSTL-LGA
$206
11/2Sat
nonstopSouthwest
2h 20mDCA-STL
11/7Thu
1 stopSouthwest
3h 55mSTL-DCA
$209
10/19Sat
nonstopSouthwest
2h 15mDCA-STL
10/23Wed
nonstopSouthwest
1h 55mSTL-DCA
$210
11/7Thu
nonstopSouthwest
2h 35mDCA-STL
11/13Wed
1 stopSouthwest
6h 30mSTL-DCA
$213
10/15Tue
1 stopSouthwest
5h 45mDCA-STL
10/15Tue
nonstopSouthwest
2h 00mSTL-DCA
$214
11/6Wed
1 stopSouthwest
5h 35mLGA-STL
11/8Fri
nonstopSouthwest
2h 20mSTL-LGA
$215
10/13Sun
1 stopSouthwest
3h 30mMSP-STL
10/16Wed
nonstopSouthwest
1h 30mSTL-MSP
$219
11/1Fri
nonstopSouthwest
2h 15mDCA-STL
11/6Wed
1 stopSouthwest
4h 15mSTL-DCA
$219
10/12Sat
nonstopSouthwest
2h 15mDCA-STL
10/15Tue
nonstopSouthwest
1h 55mSTL-DCA
$220
11/14Thu
nonstopSouthwest
2h 20mDCA-STL
11/17Sun
nonstopSouthwest
1h 55mSTL-DCA
$224
10/13Sun
1 stopSouthwest
4h 35mMSP-STL
10/16Wed
1 stopSouthwest
6h 20mSTL-MSP
$228
11/16Sat
2 stopsSouthwest
10h 25mLGA-STL
11/17Sun
1 stopSouthwest
6h 55mSTL-LGA
$229
10/19Sat
nonstopSouthwest
2h 15mDCA-STL
10/21Mon
nonstopSouthwest
1h 55mSTL-DCA
$229
11/15Fri
nonstopSouthwest
2h 20mDCA-STL
11/17Sun
nonstopSouthwest
1h 55mSTL-DCA
$230

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Recent one-way flight deals

11/16Sat
2 stopsSouthwest
8h 15mDEN-STL
$84
11/3Sun
nonstopSouthwest
1h 45mMSP-STL
$91
10/16Wed
nonstopSouthwest
2h 15mDCA-STL
$95
11/16Sat
nonstopSouthwest
2h 55mLGA-STL
$103
11/16Sat
2 stopsSouthwest
11h 20mMSP-STL
$105
11/16Sat
2 stopsSouthwest
8h 10mDCA-STL
$109
11/16Sat
2 stopsSouthwest
10h 25mLGA-STL
$117
11/4Mon
1 stopSouthwest
7h 10mIAD-STL
$118
10/13Sun
nonstopSouthwest
1h 30mMSP-STL
$119
1/11Sat
nonstopSouthwest
3h 00mLGA-STL
$125
12/14Sat
2 stopsSouthwest
8h 15mDEN-STL
$127
10/17Thu
1 stopSouthwest
4h 00mMSP-STL
$128
10/7Mon
2 stopsSouthwest
8h 10mMSP-STL
$133
10/17Thu
nonstopSouthwest
2h 20mDCA-STL
$134
10/19Sat
nonstopSouthwest
2h 45mLGA-STL
$138
1/11Sat
2 stopsSouthwest
10h 55mLGA-STL
$139
12/17Tue
2 stopsSouthwest
7h 35mDCA-STL
$139
1/10Fri
nonstopSouthwest
3h 00mLGA-STL
$140
10/18Fri
2 stopsSouthwest
11h 30mMSP-STL
$140
11/17Sun
nonstopSouthwest
3h 40mLAX-STL
$146

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Everything you need to know for your flight to St. Louis

Other airlines flying to St. Louis
Flight deals from the most popular airlines with KAYAK users flying the route

Frontier flights to St. Louis
American Airlines flights to St. Louis
Delta flights to St. Louis
United Airlines flights to St. Louis
Alaska Airlines flights to St. Louis