The cheapest times to fly from BWI to TYS are

  • April 23rd to May 6th
  • July 9th to August 12th
  • October 15th to March 4th (except the weeks of November 19th, November 26th, and December 17th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BWI to TYS is early August. Prices can be as high as $579 for Sunday flights during early April, or as low as $108 for Tuesday flights around early August.


When to Fly to Knoxville

Flying from Baltimore, MD (BWI) to Knoxville, TN (TYS) will usually cost between $212 to $401 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early August with an average ticket price of $246. Due to high demand the most expensive time to fly is early April, with an average price of $416. Planning your trip to low-cost times can easily save you $170 on economy flights and even more on first-class flights. Generally, any price below $275 can be considered a good price for a round-trip BWI to TYS flight.

See below for a graph of average weekly prices for the BWI to TYS route. All prices are for round-trip tickets in USD.

BWI to TYS Flight Prices

Compared to other flights, the BWI to TYS flight is much cheaper than the average and costs much less than the average flight leaving from Baltimore. The average price per mile (for a direct flight) is $0.37, which is a bit above average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $110 (31%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $240. Return trip prices are from the TYS to BWI flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from BWI to TYS can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 1 hour 49 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from BWI to TYS while comparing.

Destination alternative #1: Greenville-Spartanburg International Airport (GSP) in Greer, SC

  • 118 miles (190 km) away from TYS
  • Usually 21.09% less expensive than TYS
  • Nonstop flights available

See BWI to GSP flights

Destination alternative #2: Asheville Regional Airport (AVL) in Asheville, NC

  • 86 miles (138 km) away from TYS
  • Usually 6.55% less expensive than TYS
  • Nonstop flights available

See BWI to AVL flights

Destination alternative #3: Lovell Field Airport (CHA) in Chattanooga, TN

  • 87 miles (140 km) away from TYS
  • Usually 4.55% less expensive than TYS
  • 1-layover flights available

See BWI to CHA flights


Flight Questions Answered

Still have questions about flying from BWI to TYS? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Allegiant, American, Delta, Frontier, United, and potentially more during busy seasons.

How far away is it from McGhee Tyson Airport to Baltimore/Washington International Thurgood Marshall Airport?

The distance between the two airports is roughly 464 miles or 747 kilometers.

How long does it take to fly from BWI to TYS?

The real-world flight time for a nonstop BWI to TYS flight is about 1 hour 49 minutes.

How many flights go between Baltimore, MD and Knoxville, TN?

It depends on the day of the week and the date, but a typical day might have around 73 available flights from BWI to TYS.


Airport Location Info


Departing Airport

Origination codeBWI
Origination airport nameBaltimore/Washington International Thurgood Marshall Airport
CityBaltimore, MD
Countrythe United States

Return Airport

Destination codeTYS
Destination airport nameMcGhee Tyson Airport
CityKnoxville, TN
Countrythe United States


Late and Early Flight Data

Flights from BWI to TYS tend to depart much later than the average flight. According to our recently updated data, 89% of flights departed 5 or more minutes late, and 11% of flights left 5 or more minutes early. On average you can expect to leave TYS heading for BWI about 85 minutes late. This does significantly impact arrival time, as the average landing time in Knoxville, TN is about 84 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:

  • Allegiant: 85 minutes late
  • Some airlines not reporting


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.