Cheap Flights from Knoxville (TYS) to St. Louis (CPS)

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Flights from Knoxville (TYS) to St. Louis (CPS)
Origin airport
McGhee Tyson
Destination airport
St. Louis Downtown
Distance
623 km

Knoxville to St. Louis Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Knoxville to St. Louis offer the perfect respite. Not only does exploring St. Louis provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Knoxville to St. Louis may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of St. Louis are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to St. Louis more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to St. Louis is now!

Frequently asked questions

Is it cheaper to buy a plane ticket from McGhee Tyson Airport (TYS) to CPS last minute?
Booking your flight from TYS to St. Louis Downtown Airport at the last minute could save you cash if you get lucky and find an epic deal. However, airfares typically don't come down in price as the date of departure nears. If you hold out, flights could also be booked out or the best seats long gone. If you don't want to risk it, book well in advance of your departure date. In fact, Expedia has some of the biggest deals up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back regularly as offers are updated on Expedia constantly.
What airports do you fly into for East St. Louis from Knoxville?
From Knoxville, you can get to East St. Louis via St. Louis Downtown Airport (CPS), Lambert-St. Louis Intl. Airport (STL) and MidAmerica-St. Louis Airport (BLV). Check which terminal is best for you before making your decision. If you go with St. Louis Downtown Airport (CPS), it's around 3 kilometers south of the downtown area. Use the money you save when booking your trip with Expedia to tour the city's popular attractions, such as Busch Stadium and Gateway Arch.
Can I change the date of my flight from Knoxville Airport to St. Louis Downtown Airport (CPS)?
You can quickly and easily make changes to your Knoxville Airport to CPS flight via the Expedia Trips portal. But before amending dates or times, read over the rules and conditions in your itinerary to see what you're allowed to do and whether fees apply. Some airlines charge a change fee per person, in addition to any difference in fares. However, if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also check out our Customer Service portal for further details and to connect with our Virtual Agent.

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