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

Popular airlines from Alcoa - Knoxville Airport (TYS) to Lambert-St. Louis International Airport (STL)

  • 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 25% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards

Find the cheapest month to fly from Knoxville (TYS) to St. Louis (STL)

May is typically the cheapest month to fly

From ₹17,479 - ₹42,151 per traveller.

Frequently asked questions

How much is a flight from McGhee Tyson Airport (TYS) to Lambert Field?
Round-trip journeys from Knoxville Airport to Lambert Field start from . This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from TYS to Lambert-St. Louis Intl. Airport (STL)?
Most flights can be conveniently cancelled online, but whether you incur a fee differs between airlines. If you do have to cancel your break, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from TYS to STL that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for TYS to Lambert-St. Louis Intl. Airport (STL) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from TYS to Lambert Field?
That new movie you've been wanting to see will have to wait — the flight distance between TYS and St. Louis Lambert International Airport is only 650 kilometres. The captain will be asking you to buckle up for touchdown before you know it.
Which airlines fly direct from McGhee Tyson Airport (TYS) to Lambert Field?
There are no direct flights, so you'll have to make at least one stop between McGhee Tyson Airport (TYS) and Lambert Field. Use the layover time to stretch your legs and freshen up.
Are TYS to St. Louis Lambert International Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so there are no guarantees. While last-minute flight deals between McGhee Tyson Airport (TYS) and Lambert-St. Louis Intl. Airport (STL) are possible, it's also a good idea to monitor prices well before you fly. In fact, some carriers advertise their prices up to 12 months before the departure date. Expedia is continuously updating the best bargains around, so check back often and be ready to grab your seat when the price is low.

Travel information

Travel information

Origin airport
McGhee Tyson
Destination airport
Lambert-St. Louis Intl.
Distance
647 km

Book with confidence

Book with confidence

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to Expedia members.