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$797 Cheap Flights from Split (SPU) to Tri-Cities (TRI)

View $797 flight on Sun, Sep 13, 2026Opens in a new window

Popular airlines from Split Airport (SPU) to Tri-Cities, TN (TRI-Tri-Cities Regional)

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Cheap Flights from Split to Tri-Cities (SPU-TRI)

Prices were available within the past 7 days and start at $797 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Split Airport (SPU) to Tri-Cities Regional Airport (TRI) cost?
Lock in a cheap one-way flight from $797 or cheap return flight from Split Airport (SPU) to Tri-Cities Regional Airport (TRI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Split Airport (SPU) to Tri-Cities Regional Airport (TRI)?
The cheapest month to fly from SPU to TRI is , when there's less demand. Off-peak months are generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Split Airport (SPU) to Tri-Cities Regional Airport (TRI)?
To find the cheapest airline flying from SPU to TRI, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Split Airport (SPU) to Tri-Cities Regional Airport (TRI)?
There are no daily nonstop flights from Split Airport (SPU) to Tri-Cities Regional Airport (TRI). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SPU to TRI?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on various factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Split Airport (SPU) to Tri-Cities Regional Airport (TRI)?
Book a flight from Split Airport (SPU) to Tri-Cities Regional Airport (TRI) that leaves before 3 PM to reduce the likelihood of delays. Departures after this time are on average 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 Split Airport (SPU) to Tri-Cities Regional Airport (TRI) last-minute?
Booking your plane ticket from SPU to TRI shortly before your trip is usually more expensive. But if you're flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a SPU to TRI flight and hotel package?
You can save money by securing a SPU to TRI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal flights and accommodations, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from Split Airport (SPU) to Tri-Cities Regional Airport (TRI)?
You can usually reschedule or cancel your SPU to TRI flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Split
Destination airport
Tri-Cities Regional
Distance
4923 mi

Book with confidence

Split to Tri-Cities Flights

The cheapest times to fly from Split to Tri-Cities

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

 

The best time to book a flight from Split to Tri-Cities

Sunday is one of the best days to book for cheap flights from Split to Tri-Cities: 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 Split to Tri-Cities

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 Split to Tri-Cities in 2026. You can also book with separate airlines for your outbound and return journeys, from $797 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 Split to Tri-Cities 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 Split to Tri-Cities 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.

 

Split to Tri-Cities Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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