Cheap Flights from Sui (SUL) to Knoxville (TYS)

Popular airlines from Sui (SUL) to McGhee Tyson Airport (TYS)

  • 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 Sui (SUL) to Knoxville (TYS)
Origin airport
Sui
Destination airport
McGhee Tyson
Distance
7653 mi

Sui to Knoxville Flights

The cheapest times to fly from Sui to Knoxville

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 Sui to Knoxville are during the month of . You can find some of the cheapest flights from Sui to Knoxville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sui to Knoxville

Sunday is one of the best days to book for cheap flights from Sui to Knoxville: 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 Sui to Knoxville

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 Sui to Knoxville in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Sui to Knoxville 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 Sui to Knoxville 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 Sui (SUL) to McGhee Tyson Airport (TYS) cost?
Discover the latest flight deals from SUL to TYS 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 SUL to TYS?
The cheapest flights from SUL to TYS 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 SUL to TYS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SUL to TYS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sui (SUL) to McGhee Tyson Airport (TYS)?
Direct flights from Sui (SUL) to McGhee Tyson Airport (TYS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SUL to TYS?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sui (SUL) to McGhee Tyson Airport (TYS)?
To avoid possible delays on the Sui (SUL) to McGhee Tyson Airport (TYS) route, travel before 3 PM. Departures after this time are 22% more likely to be canceled.**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.
Is it cheaper to buy a plane ticket from Sui (SUL) to McGhee Tyson Airport (TYS) last-minute?
Last-minute bookings from SUL to TYS are generally more expensive. For the lowest prices, start looking for flights ahead of time. That said, if you're flexible with your travel dates, you may land a cheap ticket right before your journey.
Is it cheaper to book a SUL to TYS flight and hotel package?
Compared with arranging hotels and flights separately, booking a SUL to TYS flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the stress out of planning your trip. Simply secure your flights and select from our extensive range of stays, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Sui (SUL) to McGhee Tyson Airport (TYS)?
You can usually reschedule or cancel your SUL to TYS flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.