$46 Cheap Flights to De Soto, MO

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How much is the cheapest flight to De Soto?

Prices were available within the past 7 days and start at $46 for one-way flights and $87 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Southwest Airlines
American Airlines
United
Delta

Find the cheapest month to fly from Columbus (CMH) to St. Louis (STL)

August is typically the cheapest month to fly

From $144 - $637 per traveler.

Graph displaying average flight prices per month

Tips to find the cheapest flights to De Soto

The cheapest day to fly

Get started finding a cheap flight to De Soto 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

September is the cheapest month to fly to De Soto. 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 De Soto. 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 De Soto, 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 De Soto

The lowest price for round-trip flights to De Soto in 2025 starts from from $87, while one-way tickets start from from $46. 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 De Soto. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to De Soto

Frontier Airlines, Southwest Airlines, American Airlines, United, Delta are just some of the airlines that can typically offer cheap tickets to De Soto. 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 De Soto and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for De Soto, 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 De Soto. 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 De Soto 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 De Soto

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 De Soto.

Stopover savings

The cheapest tickets to De Soto are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to De Soto. 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 De Soto 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 De Soto. Simply download the free Expedia app to your smart device and activate De Soto 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 De Soto. 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 De Soto?
September is the cheapest month to travel to De Soto. Demand is lower then, so you're likely to score a great deal. Organizing your trip outside of school and public holidays can also help you save.
Which US cities have the cheapest flights to De Soto?
Land cheap flights to De Soto from Chicago, Dallas and Denver. These cities usually offer the lowest fares to this popular destination. But remember that holiday periods, demand and stopovers also influence rates, so remain flexible and book when you see a bargain.
Which US cities fly direct to De Soto?
There are 55 US cities you're able to fly to De Soto directly from. Explore the options by selecting the "Direct flights only" filter on Expedia and pick the best departure point for you. Here are a handful of the leading cities to take off from:

  • Chicago
  • Dallas
  • Denver
  • New York
  • Atlanta

How to find a cheap flight to De Soto?
Book early or search for cheap flights to De Soto during off-peak months like October and December. Jetting off on a Thursday could also save you 16% on average compared to a Sunday departure.* The Expedia app makes it even easier to know the right time to book. Just activate the toggle for "Watch prices" and get notified as soon as there's a better deal.*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 De Soto?
Although booking in advance is typically the best way to save cash, don't panic if your De Soto getaway is last minute. You can still find cheap flights to De Soto, especially if your plans have some flexibility. Try switching up your travel dates, exploring different ticket options or flying out of another airport.
How far in advance should I book a flight to De Soto?
Book your flight to De Soto two to four months ahead if you're taking off from an international destination. For domestic travel, the usual timeframe is 28 days in advance. Cheaper tickets and a wider variety of travel dates, schedules and seating options are some of the great reasons to book early.**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 De Soto?
Sundays are typically the best day to book a cheap flight to De Soto, with savings of about 8% on average compared to a Friday. If you choose to purchase on a Friday, be ready to pay a higher price as this is typically 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 De Soto?
There are 10 airlines that connect De Soto with 33 airports across the world. The major entry point to this city is Lambert-St. Louis Intl. Airport (STL). Travel with any of these top airlines to De Soto:

  • Delta Air Lines
  • American Airlines
  • United Airlines
  • Southern Airways Express

Where do you fly into De Soto?
If you're flying to De Soto, the main hub to disembark at is Lambert-St. Louis Intl. Airport (STL). You could also fly to De Soto via Spirit of St. Louis Airport (SUS).
How far is the airport from central De Soto?
Landing at Lambert-St. Louis Intl. Airport (STL) puts you approximately 45 mi north of central De Soto.
Can I save money by booking a De Soto trip package?
Book a De Soto flight and hotel package deal on Expedia, and you can make significant savings. It's easy to bundle your accommodations and flights, and you can add tours and car rentals to create your own personalized De Soto trip. Plus, there's nothing like the convenience of booking everything in the same place.
Can I change or cancel my flight to De Soto?
It's usually possible to change or cancel your flight to De Soto. Many airlines allow you to cancel your flights for free within 24 hours of making your booking. However, some flights are non-refundable, and airlines may offer you a credit toward a future trip rather than a direct refund. To find cheap flights to De Soto with flexible change policies, check "No cancel fee" or "Changes included" when you search. Looking for more information? Visit our Customer Service Portal.
Flights to De Soto information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Destination city name
St. Louis
Roundtrip price
$86

Trending flights to De Soto

Prices were available within the past 7 days and start at $46 for one-way flights and $87 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines

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*Available to One Key members.