$984 Cheap Flights from Perth (PER) to Tri-Cities (TRI)

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Popular airlines from Perth Airport (PER) to Tri-Cities, TN (TRI-Tri-Cities Regional)

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Cheap Flights from Perth to Tri-Cities (PER-TRI)

Prices were available within the past 7 days and start at $984 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 Perth Airport (PER) to Tri-Cities Regional Airport (TRI) cost?
Lock in a cheap one-way flight from $984 or cheap return flight from Perth Airport (PER) to Tri-Cities Regional Airport (TRI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Perth Airport (PER) to Tri-Cities Regional Airport (TRI)?
is the most affordable month to fly from PER to TRI. Planning your trip for the off-season is often the key to finding better fares.
What is the cheapest airline that flies from Perth Airport (PER) to Tri-Cities Regional Airport (TRI)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PER to TRI flight.
How many flights per day from Perth Airport (PER) to Tri-Cities Regional Airport (TRI)?
There are no daily direct flights departing from Perth Airport (PER) to Tri-Cities Regional Airport (TRI). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from PER to TRI?
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 peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Perth Airport (PER) to Tri-Cities Regional Airport (TRI)?
To avoid possible delays on the Perth Airport (PER) to Tri-Cities Regional Airport (TRI) route, aim to travel before 3 PM. Later departures 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 Perth Airport (PER) to Tri-Cities Regional Airport (TRI) last-minute?
Last-minute fares from PER to TRI are usually more expensive. To lock in the lowest rates, start searching for flights as early as possible. That said, if your travel plans are flexible, you may find a cheap fare right before your trip.
Is it cheaper to book a PER to TRI flight and hotel package?
Booking a PER to TRI flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our wide range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Perth Airport (PER) to Tri-Cities Regional Airport (TRI)?
You can usually reschedule or cancel your PER to TRI 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 allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Perth
Destination airport
Tri-Cities Regional
Distance
11342 mi

Book with confidence

Perth to Tri-Cities Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Perth 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 Perth 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 Perth to Tri-Cities in 2025. You can also book with separate airlines for your outbound and return journeys, from $984 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 Perth 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 Perth 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.

 

Perth to Tri-Cities Flights

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*Available to One Key members.