$100 Cheap Flights from Knoxville (TYS) to Baltimore (BWI)

View $100 flight on Fri, May 30, 2025Opens in a new window

Popular airlines from McGhee Tyson Airport (TYS) to Baltimore Washington Intl. Airport (BWI)

  • 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
Find available prices by choosing your travel dates.

Cheap Flights from Knoxville to Baltimore (TYS-BWI)

Prices were available within the past 7 days and start at $100 for one-way flights and $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, May 29 - Tue, Jul 1
TYS
Knoxville
BWI
Baltimore
$199 Roundtrip, found 3 days ago
$199
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, May 29 from Knoxville to Baltimore, returning Tue, Jul 1, priced at $199 found 3 days ago
Delta
Wed, Jul 2 - Fri, Jul 4
TYS
Knoxville
BWI
Baltimore
$199 Roundtrip, found 5 hours ago
$199
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, Jul 2 from Knoxville to Baltimore, returning Fri, Jul 4, priced at $199 found 5 hours ago
Delta
Thu, May 29 - Tue, Jul 1
TYS
Knoxville
BWI
Baltimore
$202 Roundtrip, found 3 days ago
$202
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, May 29 from Knoxville to Baltimore, returning Tue, Jul 1, priced at $202 found 3 days ago
Delta
Wed, Jul 2 - Mon, Jul 14
TYS
Knoxville
BWI
Baltimore
$214 Roundtrip, found 5 hours ago
$214
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, Jul 2 from Knoxville to Baltimore, returning Mon, Jul 14, priced at $214 found 5 hours ago
Delta
Sun, May 25 - Fri, May 30
TYS
Knoxville
BWI
Baltimore
$217 Roundtrip, found 4 days ago
$217
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, May 25 from Knoxville to Baltimore, returning Fri, May 30, priced at $217 found 4 days ago
Delta
Wed, May 14 - Wed, May 28
TYS
Knoxville
BWI
Baltimore
$219 Roundtrip, found 18 hours ago
$219
Roundtrip
found 18 hours ago
Select Delta flight, departing Wed, May 14 from Knoxville to Baltimore, returning Wed, May 28, priced at $219 found 18 hours ago
Delta
Tue, May 13 - Sun, May 25
TYS
Knoxville
BWI
Baltimore
$223 Roundtrip, found 3 days ago
$223
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, May 13 from Knoxville to Baltimore, returning Sun, May 25, priced at $223 found 3 days ago
Delta
Sun, Aug 31 - Tue, Sep 2
TYS
Knoxville
BWI
Baltimore
$225 Roundtrip, found 1 day ago
$225
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Aug 31 from Knoxville to Baltimore, returning Tue, Sep 2, priced at $225 found 1 day ago
United
Thu, Sep 11 - Mon, Sep 15
TYS
Knoxville
BWI
Baltimore
$229 Roundtrip, found 3 days ago
$229
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 11 from Knoxville to Baltimore, returning Mon, Sep 15, priced at $229 found 3 days ago
Frontier Airlines
Thu, May 22 - Sat, May 31
TYS
Knoxville
BWI
Baltimore
$230 Roundtrip, found 11 hours ago
$230
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Thu, May 22 from Knoxville to Baltimore, returning Sat, May 31, priced at $230 found 11 hours ago
Flights from Knoxville (TYS) to Baltimore (BWI)
Origin airport
McGhee Tyson
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$198
Distance
463 mi

Knoxville to Baltimore Flights

The cheapest times to fly from Knoxville to Baltimore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Knoxville to Baltimore are during the month of May. You can find some of the cheapest flights from Knoxville to Baltimore with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Knoxville to Baltimore

Sunday is one of the best days to book for cheap flights from Knoxville to Baltimore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Knoxville to Baltimore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Knoxville to Baltimore in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Knoxville to Baltimore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Knoxville to Baltimore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

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

How much does a flight from McGhee Tyson Airport (TYS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Discover the latest flight deals from TYS to BWI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from TYS to BWI?
The cheapest flights from TYS to BWI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from TYS to BWI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from TYS to BWI. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from McGhee Tyson Airport (TYS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
There aren’t any daily direct flights from McGhee Tyson Airport (TYS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you’ll be soaring above the clouds in no time at all.
What day of the week has the most flights from TYS to BWI?
Generally you’ll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from McGhee Tyson Airport (TYS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To avoid potential delays on the McGhee Tyson Airport (TYS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) route, fly before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Baltimore from McGhee Tyson Airport (TYS)?
If you’re leaving on a direct flight from McGhee Tyson Airport (TYS) to Baltimore, you can arrive at either Ronald Reagan Washington National Airport (DCA) or Washington Dulles Intl. Airport (IAD).
Is it cheaper to buy a plane ticket from McGhee Tyson Airport (TYS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Holding off until just before your departure to book a ticket from TYS to BWI often results in higher prices. While you may come across some last-minute deals, there’s no guarantee. Allow some flexibility in your schedule to boost your chances of landing a bargain.
Is it cheaper to book a TYS to BWI flight and hotel package?
Securing a TYS to BWI flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our wide range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from McGhee Tyson Airport (TYS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
If you booked your TYS to BWI flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.