$150 Cheap Flights from Miami (MIA) to Tri-Cities (TRI)

View $150 flight on Sat, May 31, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

Cheap Flights from Miami to Tri-Cities (MIA-TRI)

Prices were available within the past 7 days and start at $150 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, May 28 - Sat, May 31
MIA
Miami
TRI
Tri-Cities
$299 Roundtrip, found 1 hour ago
$299
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, May 28 from Miami to Tri-Cities, returning Sat, May 31, priced at $299 found 1 hour ago
Delta
Sat, May 24 - Wed, May 28
MIA
Miami
TRI
Tri-Cities
$329 Roundtrip, found 11 hours ago
$329
Roundtrip
found 11 hours ago
Select Delta flight, departing Sat, May 24 from Miami to Tri-Cities, returning Wed, May 28, priced at $329 found 11 hours ago
American Airlines
Sat, May 31 - Sun, Jun 1
MIA
Miami
TRI
Tri-Cities
$334 Roundtrip, found 1 hour ago
$334
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, May 31 from Miami to Tri-Cities, returning Sun, Jun 1, priced at $334 found 1 hour ago
American Airlines
Sat, May 24 - Sun, Jun 1
MIA
Miami
TRI
Tri-Cities
$337 Roundtrip, found 7 hours ago
$337
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, May 24 from Miami to Tri-Cities, returning Sun, Jun 1, priced at $337 found 7 hours ago
Delta
Sat, May 31 - Sun, Jun 1
MIA
Miami
TRI
Tri-Cities
$339 Roundtrip, found 1 hour ago
$339
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, May 31 from Miami to Tri-Cities, returning Sun, Jun 1, priced at $339 found 1 hour ago
Delta
Sat, Jun 28 - Wed, Jul 2
MIA
Miami
TRI
Tri-Cities
$354 Roundtrip, found 1 day ago
$354
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Jun 28 from Miami to Tri-Cities, returning Wed, Jul 2, priced at $354 found 1 day ago
Delta
Tue, May 27 - Tue, Jun 10
MIA
Miami
TRI
Tri-Cities
$359 Roundtrip, found 5 days ago
$359
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, May 27 from Miami to Tri-Cities, returning Tue, Jun 10, priced at $359 found 5 days ago
Delta
Mon, Jun 16 - Tue, Jul 1
MIA
Miami
TRI
Tri-Cities
$360 Roundtrip, found 14 hours ago
$360
Roundtrip
found 14 hours ago
Select Delta flight, departing Mon, Jun 16 from Miami to Tri-Cities, returning Tue, Jul 1, priced at $360 found 14 hours ago
Delta
Sat, May 24 - Tue, May 27
MIA
Miami
TRI
Tri-Cities
$363 Roundtrip, found 11 hours ago
$363
Roundtrip
found 11 hours ago
Select Delta flight, departing Sat, May 24 from Miami to Tri-Cities, returning Tue, May 27, priced at $363 found 11 hours ago
Delta
Wed, May 7 - Mon, Jun 30
MIA
Miami
TRI
Tri-Cities
$364 Roundtrip, found 1 hour ago
$364
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, May 7 from Miami to Tri-Cities, returning Mon, Jun 30, priced at $364 found 1 hour ago
Flights from Miami (MIA) to Tri-Cities (TRI)
Origin airport
Miami Intl.
Destination airport
Tri-Cities Regional
Airlines serving
American Airlines, Delta
Roundtrip price
$298
Distance
748 mi

Miami to Tri-Cities Flights

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

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

Sunday is one of the best days to book for cheap flights from Miami 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 Miami 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 Miami to Tri-Cities in 2025. You can also book with separate airlines for your outbound and return journeys, from $150 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 Miami 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 Miami 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 Miami Intl. Airport (MIA) to Tri-Cities Regional Airport (TRI) cost?
Discover the latest flight deals from MIA to TRI 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 MIA to TRI?
The cheapest flights from MIA to TRI 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 MIA to TRI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from MIA to TRI. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Miami Intl. Airport (MIA) to Tri-Cities Regional Airport (TRI)?
Nonstop flights from Miami Intl. Airport (MIA) 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 details and select either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from MIA to TRI?
Typically you’ll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary 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 Miami Intl. Airport (MIA) to Tri-Cities Regional Airport (TRI)?
Book a flight from Miami Intl. Airport (MIA) to Tri-Cities Regional Airport (TRI) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour 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 Miami Intl. Airport (MIA) to Tri-Cities Regional Airport (TRI) last-minute?
Waiting until just before your trip to book a flight from MIA to TRI often results in higher prices. Although you may find some last-minute discounts, there’s no guarantee. Keep your travel schedule open to maximize your chances of scoring a bargain.
Is it cheaper to book a MIA to TRI flight and hotel package?
Securing a MIA to TRI flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our extensive range of stays 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 Miami Intl. Airport (MIA) to Tri-Cities Regional Airport (TRI)?
If you reserved your MIA to TRI flight within the last 24 hours, you may be able to modify or cancel it without fees. 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 for more information.

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*Available to One Key members.