Cheap Sun Country Airlines flights St. Louis (STL) to Cincinnati (CVG)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Flights from St. Louis (STL) to Cincinnati (CVG)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Cincinnati - Northern Kentucky Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
American Airlines
Distance
307 mi

Frequently asked questions

How much is a Sun Country Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Set the "Price (lowest to highest)" filter on Expedia to find cheap Sun Country Airlines round-trip flights from STL to CVG. Affordable one-way fares are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from STL to CVG with Sun Country Airlines?
Sun Country Airlines flights to Cincinnati are generally more affordable in the low-season months of January and February. Whether you need a one-way or round-trip ticket, you could score a better deal then.
What is the cheapest time to book flights from Lambert-St. Louis Intl. Airport (STL) to Cincinnati - Northern Kentucky Intl. Airport (CVG) with Sun Country Airlines?
Search for cheap Sun Country Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Cincinnati - Northern Kentucky Intl. Airport (CVG) one to three months prior to your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Sun Country Airlines fly nonstop from Lambert-St. Louis Intl. Airport (STL) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Simply enter your dates, hit search and check "Nonstop" on Expedia to browse any direct flights from STL to CVG with Sun Country Airlines or other airlines.
What is the earliest Sun Country Airlines flight from STL to CVG?
Filter your results by "Morning" and "Early Morning" to browse the earliest flights from STL to CVG. Jetting off early means you're 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Sun Country Airlines fly into in Cincinnati?
Jump on a Sun Country Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Cincinnati, and you're most likely to land at Cincinnati - Northern Kentucky Intl. Airport (CVG). This is the airline's primary hub here.
What kind of luggage can I take on a Sun Country Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
A standard economy ticket with Sun Country Airlines from STL to CVG allows 1 cabin bag and a small personal article. Your carry-on allowance is 1 cabin bag up to 33 lb with maximum dimensions of 23 inches x 10 inches x 15 inches. Weight and size limits can vary according to your cabin class and fare type. To avoid extra charges at the terminal, check your Sun Country Airlines booking or visit the airline's website before you pack.
Why fly with Sun Country Airlines from STL to CVG?
With a rewarding loyalty program and top-tier customer service, Sun Country Airlines is the leading choice for many travelers heading from STL to CVG. Also, if you're a Sun Country Rewards and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Sun Country Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Depending on the ticket type you purchased, a fee will generally apply if you change or cancel your flight more than 24 hours after confirmation. To secure plane tickets with more flexibility, select our "Changes included" or "No cancel fee" filter when you look for flights. For more details on modifying or canceling your reservation, head to "Trips," select your flight and click on "Manage Booking."

Explore a world of travel with Expedia

*Available to One Key members.