$137 Cheap Flights to Saint Louis, OK
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How much is the cheapest flight to Saint Louis?
Find the cheapest month to fly from Columbus (CMH) to Oklahoma City (OKC)
February is typically the cheapest month to flyFebruary is typically the cheapest month to fly
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Tips to find the cheapest flights to Saint Louis
The cheapest day to fly
Get started finding a cheap flight to Saint Louis on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.
The cheapest month to fly
October is the cheapest month to fly to Saint Louis. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Saint Louis. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.
The most affordable time to book a flight
Typically, a Sunday can be the cheapest time to book a flight to Saint Louis, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.
The cheapest round-trip tickets to Saint Louis
The lowest price for round-trip flights to Saint Louis in 2026 starts from $291, while one-way tickets start from from $137. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Saint Louis. If you have a preferred departure time or airline, you can use the handy filters to customize your search.
The cheapest airlines flying to Saint Louis
Frontier Airlines, Delta, Southwest Airlines, American Airlines, United are just some of the airlines that can typically offer cheap tickets to Saint Louis. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Saint Louis and countless more destinations worldwide.
The most affordable airports to fly into
To view the cheapest airports to fly into for Saint Louis, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Saint Louis. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.
Save with a package
With Expedia's amazing package deals, you could save hundreds of dollars by booking your Saint Louis plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.
Date flexibility for the cheapest flights to Saint Louis
If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Saint Louis.
Stopover savings
The cheapest tickets to Saint Louis are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Saint Louis. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.
Get Expedia's Price Drop Protection
Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Saint Louis for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.
*Terms apply.
Use our Price Tracking feature
Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Saint Louis. Simply download the free Expedia app to your smart device and activate Saint Louis flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.
Book with Expedia
As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Saint Louis. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently Asked Questions
What month is the cheapest to fly to Saint Louis?
Schedule your trip for October if you want to get a good price on your fare. It's the cheapest month to fly to Saint Louis. If possible, avoid traveling during busy periods such as school vacation time or public holidays.
Which US cities have the cheapest flights to Saint Louis?
Houston, Dallas and Denver usually offer cheap flights to Saint Louis. Bear in mind that fares may vary based on factors such as time of year, demand and number of stopovers.
Which US cities fly direct to Saint Louis?
You can fly to Saint Louis without a stopover from 21 US destinations. To find a nonstop trip, use the "Direct flights only" filter when organizing your flights to Saint Louis on Expedia. Then, explore your choices and pick the best departure out of one of these cities:
- Houston
- Dallas
- Denver
- Chicago
- Atlanta
How to find a cheap flight to Saint Louis?
If you're looking for cheap flights to Saint Louis, consider traveling outside of peak season. Booking ahead of time may also save you money. Or, look for departures on a different day — Thursday flights are on average 16% cheaper than Sunday options.* Opt to receive flight price alerts on the Expedia app and you'll be instantly notified when fares drop.
*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Saint Louis?
While booking in advance is generally the easiest way to save cash, don't panic if your Saint Louis getaway is last minute. It's still possible to find cheap flights to Saint Louis, especially if your plans have a little wiggle room. Try switching up your trip dates, looking at different ticket types or flying out of another hub.
How far in advance should I book a flight to Saint Louis?
For some of the biggest savings on domestic journeys, book your flight to Saint Louis 28 days ahead of your travel dates. For international flights, it's two to four months in advance. This boosts your chances of securing your preferred departure times and seats.*
*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Saint Louis?
Sundays are generally the best day to book a cheap flight to Saint Louis, with savings of about 8% on average compared to Fridays. If you choose to purchase on a Friday, expect to pay more as this is often the most expensive day.*
*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Saint Louis?
There are 5 carriers connecting Saint Louis with 15 airports worldwide. The key point of arrival to this city is Will Rogers World Airport (OKC). Book a fare with any of these well-known airlines to Saint Louis:
- American Airlines
- United Airlines
- Delta Air Lines
- Alaska Airlines
Where do you fly into Saint Louis?
The main airport to fly to Saint Louis is Will Rogers World Airport (OKC). You also have the option to touch down at Ada, OK (ADT-Ada Municipal) when flying to Saint Louis.
How far is the airport from central Saint Louis?
Jetting into Will Rogers World Airport (OKC) puts you about 45 mi northwest of central Saint Louis.
Can I save money by booking a Saint Louis trip package?
Bundle your flights and accommodations and you could save hundreds of dollars. What’s more, you can add extras like activities and car rentals to your Saint Louis flight and hotel package deal. With Expedia, it's a breeze to look after all your Saint Louis travel plans in the same place.
Can I change or cancel my flight to Saint Louis?
You can typically change or cancel your flight to Saint Louis within 24 hours of booking. However, be mindful that some fares are non-refundable. In those cases, you may receive credit for future flights instead of a direct refund. Make sure you check the airline's terms of service in your itinerary for exact details. You can use Expedia's "No cancel fee" or "Changes included" filters during your search to find cheap flights to Saint Louis with flexible change policies. For more information, visit our Customer Service Portal.
Travel information
Destination city name | Oklahoma City |
|---|---|
Destination airport | Will Rogers World Airport |
Destination airport IATA code | OKC |
Airlines serving | American Airlines, United, Delta, Southwest Airlines, Alaska Airlines, Frontier Airlines, WestJet, Air Canada, Lufthansa, KLM, British Airways, Air France, Iberia, Finnair, Virgin Atlantic, Qatar Airways, Aer Lingus, Japan Airlines, Aeromexico, Allegiant Air, LATAM Airlines Group, SAS, Korean Air, All Nippon Airways, Qantas Airways, Air New Zealand, Air Tahiti Nui, Emirates, Royal Jordanian |
Popular airline | American Airlines |
Roundtrip price | $320 |
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