$902 Cheap Flights from Athens (ATH) to Tri-Cities (TRI)

View $902 flight on Thu, Apr 30, 2026Opens in a new window

Popular airlines from Athens Intl. Airport (ATH) to Tri-Cities, TN (TRI-Tri-Cities Regional)

  • 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

Cheap Flights from Athens to Tri-Cities (ATH-TRI)

Prices were available within the past 7 days and start at $902 for one-way flights and $1,056 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Oct 16 - Wed, Oct 22
ATH
Athens
TRI
Tri-Cities
$1,056 Roundtrip, found 5 days ago
$1,056
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Oct 16 from Athens to Tri-Cities, returning Wed, Oct 22, priced at $1,056 found 5 days ago
American Airlines
Thu, Oct 16 - Wed, Oct 22
ATH
Athens
TRI
Tri-Cities
$1,073 Roundtrip, found 5 days ago
$1,073
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Oct 16 from Athens to Tri-Cities, returning Wed, Oct 22, priced at $1,073 found 5 days ago
American Airlines
Thu, Oct 16 - Wed, Oct 22
ATH
Athens
TRI
Tri-Cities
$1,085 Roundtrip, found 5 days ago
$1,085
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Oct 16 from Athens to Tri-Cities, returning Wed, Oct 22, priced at $1,085 found 5 days ago
Scandinavian Airlines
Thu, Oct 16 - Wed, Oct 22
ATH
Athens
TRI
Tri-Cities
$1,095 Roundtrip, found 5 days ago
$1,095
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Thu, Oct 16 from Athens to Tri-Cities, returning Wed, Oct 22, priced at $1,095 found 5 days ago
American Airlines
Thu, Oct 16 - Wed, Oct 22
ATH
Athens
TRI
Tri-Cities
$1,102 Roundtrip, found 5 days ago
$1,102
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Oct 16 from Athens to Tri-Cities, returning Wed, Oct 22, priced at $1,102 found 5 days ago
American Airlines
Thu, Oct 16 - Wed, Oct 22
ATH
Athens
TRI
Tri-Cities
$1,123 Roundtrip, found 5 days ago
$1,123
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Oct 16 from Athens to Tri-Cities, returning Wed, Oct 22, priced at $1,123 found 5 days ago
American Airlines
Thu, Oct 16 - Wed, Oct 22
ATH
Athens
TRI
Tri-Cities
$1,136 Roundtrip, found 5 days ago
$1,136
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Oct 16 from Athens to Tri-Cities, returning Wed, Oct 22, priced at $1,136 found 5 days ago
KLM
Thu, Oct 16 - Wed, Oct 22
ATH
Athens
TRI
Tri-Cities
$1,158 Roundtrip, found 5 days ago
$1,158
Roundtrip
found 5 days ago
Select KLM flight, departing Thu, Oct 16 from Athens to Tri-Cities, returning Wed, Oct 22, priced at $1,158 found 5 days ago
Air France
Thu, Oct 16 - Wed, Oct 22
ATH
Athens
TRI
Tri-Cities
$1,170 Roundtrip, found 5 days ago
$1,170
Roundtrip
found 5 days ago
Select Air France flight, departing Thu, Oct 16 from Athens to Tri-Cities, returning Wed, Oct 22, priced at $1,170 found 5 days ago
Delta
Thu, Oct 16 - Wed, Oct 22
ATH
Athens
TRI
Tri-Cities
$1,275 Roundtrip, found 5 days ago
$1,275
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Oct 16 from Athens to Tri-Cities, returning Wed, Oct 22, priced at $1,275 found 5 days ago
Flights from Athens (ATH) to Tri-Cities (TRI)
Origin airport
Eleftherios Venizelos
Destination airport
Tri-Cities Regional
Roundtrip price
$1,055
Distance
5473 mi

Athens to Tri-Cities Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Athens 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 Athens 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 Athens to Tri-Cities in 2025. You can also book with separate airlines for your outbound and return journeys, from $902 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 Athens 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 Athens 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.

 

Frequently asked questions

How much does a flight from Eleftherios Venizelos Airport (ATH) to Tri-Cities Regional Airport (TRI) cost?
Get a cheap one-way flight from $902 or cheap return flight from $1,056 from Eleftherios Venizelos Airport (ATH) to Tri-Cities Regional Airport (TRI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Eleftherios Venizelos Airport (ATH) to Tri-Cities Regional Airport (TRI)?
Planning your getaway for October is a great way to save, as it's the cheapest month for flights between ATH and TRI. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Eleftherios Venizelos Airport (ATH) to Tri-Cities Regional Airport (TRI)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ATH to TRI flight.
How many flights per day from Eleftherios Venizelos Airport (ATH) to Tri-Cities Regional Airport (TRI)?
Nonstop flights from Eleftherios Venizelos Airport (ATH) to Tri-Cities Regional Airport (TRI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ATH to TRI?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, 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 Eleftherios Venizelos Airport (ATH) to Tri-Cities Regional Airport (TRI)?
Book a flight from Eleftherios Venizelos Airport (ATH) to Tri-Cities Regional Airport (TRI) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Eleftherios Venizelos Airport (ATH) to Tri-Cities Regional Airport (TRI) last-minute?
Last-minute bookings from ATH to TRI are generally more expensive. To lock in the lowest rates, start looking for flights as early as possible. That said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book an ATH to TRI flight and hotel package?
You can save money by securing an ATH to TRI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your preferred flights and accommodations, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Eleftherios Venizelos Airport (ATH) to Tri-Cities Regional Airport (TRI)?
It's generally possible to reschedule or cancel your ATH 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 if any costs are involved. You'll also find more details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.