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Cheap flights from Oklahoma City to St. Louis from $125

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oklahoma City to St. Louis departing on 6/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Oklahoma City to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:49 pm - 7:23 pm
OKC
-
STL
27h 34m
1 stop
Frontier Logo
8:08 pm - 6:33 pm
STL
-
OKC
22h 25m
1 stop
$162Frontier
Tue, Jun 16 - Tue, Jun 23
Frontier Logo
3:49 pm - 7:23 pm
OKC
-
STL
27h 34m
1 stop
Frontier Logo
5:06 pm - 6:33 pm
STL
-
OKC
49h 27m
2 stops
$218Frontier
Tue, Jun 16 - Mon, Jun 22
Frontier Logo
3:49 pm - 7:23 pm
OKC
-
STL
27h 34m
1 stop
Frontier Logo
7:38 pm - 3:04 pm
STL
-
OKC
19h 26m
1 stop
$221Frontier
Tue, Jun 16 - Mon, Jun 22
Frontier Logo
3:49 pm - 7:23 pm
OKC
-
STL
27h 34m
1 stop
Frontier Logo
5:06 pm - 12:56 pm
STL
-
OKC
19h 50m
1 stop
$228Frontier
Tue, Jun 16 - Mon, Jun 22
Multiple Airlines Logo
3:49 pm - 7:23 pm
OKC
-
STL
27h 34m
1 stop
Multiple Airlines Logo
8:08 pm - 10:38 am
STL
-
OKC
38h 30m
2 stops
$234Multiple Airlines
Tue, Jun 16 - Tue, Jun 23
Frontier Logo
7:29 pm - 6:51 pm
OKC
-
STL
23h 22m
1 stop
Frontier Logo
7:38 pm - 3:04 pm
STL
-
OKC
19h 26m
1 stop
$240Frontier
Mon, Jun 15 - Mon, Jun 22
Frontier Logo
7:29 pm - 2:06 pm
OKC
-
STL
18h 37m
1 stop
Frontier Logo
8:08 pm - 6:33 pm
STL
-
OKC
22h 25m
1 stop
$261Frontier
Thu, Jun 18 - Tue, Jun 23
Frontier Logo
7:29 pm - 2:06 pm
OKC
-
STL
18h 37m
1 stop
Frontier Logo
8:08 pm - 6:31 pm
STL
-
OKC
22h 23m
1 stop
$262Frontier
Fri, Jul 3 - Tue, Jul 7
Frontier Logo
7:29 pm - 2:06 pm
OKC
-
STL
18h 37m
1 stop
Frontier Logo
8:08 pm - 3:04 pm
STL
-
OKC
18h 56m
1 stop
$263Frontier
Fri, Jun 12 - Wed, Jun 17
Frontier Logo
7:16 pm - 7:23 pm
OKC
-
STL
24h 07m
1 stop
Frontier Logo
8:08 pm - 6:31 pm
STL
-
OKC
22h 23m
1 stop
$266Frontier
Sat, Jul 25 - Tue, Jul 28

Delta flights from Oklahoma City to St. Louis

Our best Delta deals on Oklahoma City to St. Louis flight tickets
Delta
Jun 17
OKC5:14 pmOklahoma City Will Rogers World
6h 42m
1 stop
STL11:56 pmLambert-St Louis
Jun 18
STL6:00 amLambert-St Louis
6h 11m
1 stop
OKC12:11 pmOklahoma City Will Rogers World
$350
Delta
Jun 19
OKC5:14 pmOklahoma City Will Rogers World
6h 42m
1 stop
STL11:56 pmLambert-St Louis
Jun 26
STL6:00 amLambert-St Louis
4h 29m
1 stop
OKC10:29 amOklahoma City Will Rogers World
$381
Delta
May 23
OKC5:00 pmOklahoma City Will Rogers World
6h 59m
1 stop
STL11:59 pmLambert-St Louis
May 25
STL7:01 pmLambert-St Louis
4h 58m
1 stop
OKC11:59 pmOklahoma City Will Rogers World
$459

United Airlines flights from Oklahoma City to St. Louis

Our best United Airlines deals on Oklahoma City to St. Louis flight tickets
United Airlines
May 30
OKC4:19 pmOklahoma City Will Rogers World
5h 02m
1 stop
STL9:21 pmLambert-St Louis
May 31
STL8:35 amLambert-St Louis
5h 15m
1 stop
OKC1:50 pmOklahoma City Will Rogers World
$474
United Airlines
May 23
OKC7:10 amOklahoma City Will Rogers World
4h 57m
1 stop
STL12:07 pmLambert-St Louis
May 25
STL5:29 pmLambert-St Louis
4h 43m
1 stop
OKC10:12 pmOklahoma City Will Rogers World
$479
United Airlines
May 23
OKC1:53 pmOklahoma City Will Rogers World
8h 57m
2 stops
STL10:50 pmLambert-St Louis
May 25
STL8:35 amLambert-St Louis
7h 40m
1 stop
OKC4:15 pmOklahoma City Will Rogers World
$484

momondo Fare Finder

 
Customize your flight search to find flights from Oklahoma City 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 May 22, 2026.
Use the filters below to find and compare flights from Oklahoma City to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Oklahoma CitySt. Louis

OKC - STL

OKCSTL

Oklahoma City Will Rogers World

Tue 6/16

3:49 pm-7:23 pm

1 stop27h 34m

Lambert-St Louis

Tue 6/23

8:08 pm-6:33 pm

1 stop22h 25m

$162

Oklahoma CitySt. Louis

OKC - STL

OKCSTL

Oklahoma City Will Rogers World

Tue 6/16

3:49 pm-7:23 pm

1 stop27h 34m

Lambert-St Louis

Mon 6/22

5:06 pm-6:33 pm

2 stops49h 27m

$218

Oklahoma CitySt. Louis

OKC - STL

OKCSTL

Oklahoma City Will Rogers World

Tue 6/16

3:49 pm-7:23 pm

1 stop27h 34m

Lambert-St Louis

Mon 6/22

7:38 pm-3:04 pm

1 stop19h 26m

$221

Oklahoma CitySt. Louis

OKC - STL

OKCSTL

Oklahoma City Will Rogers World

Tue 6/16

3:49 pm-7:23 pm

1 stop27h 34m

Lambert-St Louis

Mon 6/22

5:06 pm-12:56 pm

1 stop19h 50m

$228

Oklahoma CitySt. Louis

OKC - STL

OKCSTL

Oklahoma City Will Rogers World

Tue 6/16

3:49 pm-7:23 pm

1 stop27h 34m

Lambert-St Louis

Tue 6/23

8:08 pm-10:38 am

2 stops38h 30m

$234

Oklahoma CitySt. Louis

OKC - STL

OKCSTL

Oklahoma City Will Rogers World

Mon 6/15

7:29 pm-6:51 pm

1 stop23h 22m

Lambert-St Louis

Mon 6/22

7:38 pm-3:04 pm

1 stop19h 26m

$240

Oklahoma CitySt. Louis

OKC - STL

OKCSTL

Oklahoma City Will Rogers World

Thu 6/18

7:29 pm-2:06 pm

1 stop18h 37m

Lambert-St Louis

Tue 6/23

8:08 pm-6:33 pm

1 stop22h 25m

$261

Oklahoma CitySt. Louis

OKC - STL

OKCSTL

Oklahoma City Will Rogers World

Fri 7/3

7:29 pm-2:06 pm

1 stop18h 37m

Lambert-St Louis

Tue 7/7

8:08 pm-6:31 pm

1 stop22h 23m

$262
Quickest round-trip

Oklahoma CitySt. Louis

OKC - STL

OKCSTL

Oklahoma City Will Rogers World

Fri 6/12

7:29 pm-2:06 pm

1 stop18h 37m

Lambert-St Louis

Wed 6/17

8:08 pm-3:04 pm

1 stop18h 56m

$263

Oklahoma CitySt. Louis

OKC - STL

OKCSTL

Oklahoma City Will Rogers World

Sat 7/25

7:16 pm-7:23 pm

1 stop24h 07m

Lambert-St Louis

Tue 7/28

8:08 pm-6:31 pm

1 stop22h 23m

$266

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 St. Louis from

How to get the cheapest flight ticket from Oklahoma City 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

What is the typical price of a round-trip flight between Oklahoma City and St. Louis?

What is the cheapest month to fly to St. Louis?

In general, February is the cheapest month to fly from Oklahoma City to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $222. The month of August is another great option to travel to St. Louis, with average flight prices from Oklahoma City averaging around $259.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $376. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $470. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Oklahoma City in the morning is the least expensive time of day to depart. momondo users have found prices as low as $397 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $404 per ticket.

What is the cheapest Oklahoma City Will Rogers World to Lambert-St Louis flight route?

Fly from Oklahoma City Will Rogers World to Lambert-St Louis for the best Oklahoma City Will Rogers World - Lambert-St Louis flight prices

What cabin class options are available on Oklahoma City to St. Louis flights?

There is only 1 cabin class available to choose from on Oklahoma City to St. Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 50% on your flight if you consider stops on a Oklahoma City to St. Louis flight.

How have Oklahoma City to St. Louis flight prices changed over time?

As of May 2026, prices for Oklahoma City to St. Louis flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Oklahoma City to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Oklahoma City to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Oklahoma City to St. Louis (OKC to STL) flight deals and tips

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

Best Price Found

$265

Fastest flight time

3h 40m

Direct flights

None
The best one-way flight to St. Louis from Oklahoma City in the past 72 hours is $265. The best round-trip flight deal from Oklahoma City to St. Louis found on momondo in the last 72 hours is $809.
The fastest flight from Oklahoma City to St. Louis takes 3h 40m
There are no direct flights from Oklahoma City to St. Louis. Popular non-direct route for this connection is Oklahoma City Will Rogers World Airport - Lambert-St Louis Airport.
Search flight deals

Frequently asked questions about flying from Oklahoma City to St. Louis

  • How far is Oklahoma City Will Rogers World to Lambert-St Louis by plane?

    Lambert-St Louis is 458.3 mi away from Oklahoma City Will Rogers World. By plane, this route typically takes 3h 40m.

  • When did momondo last update prices for flights from Oklahoma City Will Rogers World Airport to Lambert-St Louis Airport?

    Prices for flights from Oklahoma City Will Rogers World Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Oklahoma City Will Rogers World Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Oklahoma City Will Rogers World Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Oklahoma City Will Rogers World Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport 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 Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Oklahoma City to St. Louis?

  • What is the most popular airline from Oklahoma City to St. Louis?

Best airlines flying from Oklahoma City to St. Louis

Compare and see reviews for airlines that fly from Oklahoma City to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $70Free CancellationRating
5.6
2,945 reviews
Search Frontier flights
American AirlinesPriceFrom $196Free CancellationRating
7.1
11,643 reviews
Search American Airlines flights
SouthwestPriceFrom $257Free CancellationRating
7.9
4,278 reviews
Search Southwest 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
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Alton
Wentzville
Fenton
Farmington
Festus
Eureka
Clayton
Litchfield
Edwardsville
Shrewsbury
Grafton

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Oklahoma City.

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

All flight searches from Oklahoma City to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Oklahoma City to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to St. Louis from Oklahoma City are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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