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St. Louis

$39+ Cheap flights from Oklahoma 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — STL
Aug 18 — Aug 251
Mo 8/18
Mo 8/25
1 adult, Economy
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Cheap flight deals from Oklahoma to St. Louis

Keep the following information in mind while searching for Oklahoma to St. Louis flight deals. Data was last updated August 13, 2025.

Round-trip from

$105
(Kiwi.com)

One-way from

$39
(Southwest)

Popular in

January

Cheapest in

April

Average price

$414

Good round-trip deal

$251 or less

Good one-way deal

$109 or less
From Oklahoma to Lambert-St Louis
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One-way flight from Oklahoma to Lambert-St Louis
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Highest demand for flights based on searches. 8% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Oklahoma to Lambert-St Louis.
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Price to beat on a one-way flight from Oklahoma to Lambert-St Louis.
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Find flight deals from Oklahoma to St. Louis

Cheapest flights from Oklahoma to St. Louis
Explore the most affordable flight options available from Oklahoma to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 11/67:25 amDFW - STL
Nonstop1h 52mFrontier
So 11/910:17 amSTL - DFW
Nonstop1h 57mFrontier
Deal found 8/10$105
This Frontier deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 9/258:00 amDFW - STL
Nonstop1h 54mFrontier
So 9/2810:39 amSTL - DFW
Nonstop1h 50mFrontier
Deal found 8/11$109
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 8/287:25 amDFW - STL
Nonstop1h 53mFrontier
So 8/3110:17 amSTL - DFW
Nonstop1h 56mFrontier
Deal found 8/10$113
This Frontier deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 8/217:25 amDFW - STL
Nonstop1h 53mFrontier
Do 8/2810:17 amSTL - DFW
Nonstop1h 56mFrontier
Deal found 8/11$116
This Cheapflightsfares deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 9/118:00 amDFW - STL
Nonstop1h 54mFrontier
Do 9/1810:49 amSTL - DFW
Nonstop1h 50mFrontier
Deal found 8/12$117
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 8/317:25 amDFW - STL
Nonstop1h 53mFrontier
So 9/710:39 amSTL - DFW
Nonstop1h 50mFrontier
Deal found 8/10$119
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 9/195:15 pmTUL - STL
Nonstop1h 20mSouthwest
Mo 9/225:10 amSTL - TUL
1 stop4h 05mSouthwest
Deal found 8/11$124
This Mytrip deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 9/116:00 amDFW - STL
1 stop9h 04mFrontier
So 9/1410:39 amSTL - DFW
Nonstop1h 50mFrontier
Deal found 8/12$136
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 10/46:30 pmDFW - STL
Nonstop1h 45mAmerican Airlines
Di 10/75:09 pmSTL - DFW
Nonstop1h 56mAmerican Airlines
Deal found 8/10$139
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 9/241:27 pmDFW - STL
Nonstop1h 42mAmerican Airlines
Mi 10/17:16 amSTL - DFW
Nonstop1h 58mAmerican Airlines
Deal found 8/10$140
This Frontier deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 8/217:25 amDFW - STL
Nonstop1h 53mFrontier
Sa 8/233:02 pmSTL - DFW
1 stop7h 31mFrontier
Deal found 8/11$147
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 10/74:25 pmOKC - STL
Nonstop1h 25mSouthwest
Di 10/79:25 pmSTL - OKC
Nonstop1h 30mSouthwest
Deal found 8/12$155

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oklahoma 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, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2025.
Use the filters below to find and compare flights from Oklahoma to St. Louis that are best for you.

Fly from

Oklahoma

Fly to

St. Louis

Route

Depart

Return

Price

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Do 9/25

8:00 am-9:54 am

Nonstop1h 54m

Lambert-St Louis

So 9/28

10:39 am-12:29 pm

Nonstop1h 50m

$109

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Do 9/25

8:00 am-9:54 am

Nonstop1h 54m

Lambert-St Louis

Do 10/2

10:49 am-12:39 pm

Nonstop1h 50m

$116

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Do 9/11

8:00 am-9:54 am

Nonstop1h 54m

Lambert-St Louis

So 9/14

10:39 am-12:29 pm

Nonstop1h 50m

$117

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Do 10/2

8:00 am-9:54 am

Nonstop1h 54m

Lambert-St Louis

So 10/5

10:39 am-12:29 pm

Nonstop1h 50m

$117

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Do 9/11

8:00 am-9:54 am

Nonstop1h 54m

Lambert-St Louis

Do 9/18

10:49 am-12:39 pm

Nonstop1h 50m

$117

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Do 10/16

7:30 am-9:22 am

Nonstop1h 52m

Lambert-St Louis

So 10/19

10:17 am-12:14 pm

Nonstop1h 57m

$117

TulsaSt. Louis

TUL - STL

TULSTL

Tulsa

Fr 9/19

5:15 pm-6:35 pm

Nonstop1h 20m

Lambert-St Louis

Mo 9/22

5:10 am-9:15 am

1 stop4h 05m

$124

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sa 10/11

9:29 pm-11:18 pm

Nonstop1h 49m

Lambert-St Louis

Di 10/14

9:43 am-11:36 am

Nonstop1h 53m

$139

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Di 11/11

7:08 am-8:57 am

Nonstop1h 49m

Lambert-St Louis

Di 11/18

5:58 pm-8:05 pm

Nonstop2h 07m

$139

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Do 9/4

8:00 am-9:54 am

Nonstop1h 54m

Lambert-St Louis

Do 9/4

4:00 pm-10:08 pm

1 stop6h 08m

$152

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 60 results
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Best time to book a flight from Oklahoma to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Oklahoma 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 Oklahoma to St. Louis

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

Currently, August is the cheapest month in which you can book a flight from Oklahoma to St. Louis (average of $311). Flying from Oklahoma 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.

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

Find hourly flight availability from Oklahoma to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oklahoma to St. Louis as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Oklahoma 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 Oklahoma?

    For a flight from Oklahoma to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • How popular is this Oklahoma to St. Louis flight route?

    This flight path from Oklahoma to Lambert-St Louis was viewed by 28 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    The most popular route from Oklahoma to St. Louis is Dallas/Fort Worth - Lambert-St Louis. You may also consider Oklahoma City Will Rogers World - Lambert-St Louis or Fayetteville Northwest Arkansas - Lambert-St Louis.

  • What are the cheapest flights from Oklahoma to St. Louis?

    Looking for the cheapest flight from Oklahoma to St. Louis? While on average our users pay $289, our data indicates the cheapest price to be $85. The most popular route (Dallas/Fort Worth - Lambert-St Louis), is priced around $139.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oklahoma 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 Oklahoma to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Oklahoma to St. Louis (average of $311). Flying from Oklahoma 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Farmington
Festus

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Alternative routes for Oklahoma to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Oklahoma to St. Louis

Discover the top 3 airlines that operate flights from Oklahoma to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$97Average$342FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$158Average$326FlexibilityNo cancel feeOn-time71%
FrontierCheapest$166Average$329FlexibilityNo cancel feeOn-time62%

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