$199 Cheap Flights from Baltimore (BWI) to Tri-Cities (TRI)

View $199 flight on Thu, Jan 1, 2026Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Tri-Cities, TN (TRI-Tri-Cities Regional)

Cheap Flights from Baltimore to Tri-Cities (BWI-TRI)

Prices were available within the past 7 days and start at $199 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Feb 5 - Sun, Feb 8
BWI
Baltimore
TRI
Tri-Cities
$277 Roundtrip, found 23 hours ago
$277
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Thu, Feb 5 from Baltimore to Tri-Cities, returning Sun, Feb 8, priced at $277 found 23 hours ago
Delta
Thu, Feb 5 - Sun, Feb 8
BWI
Baltimore
TRI
Tri-Cities
$277 Roundtrip, found 23 hours ago
$277
Roundtrip
found 23 hours ago
Select Delta flight, departing Thu, Feb 5 from Baltimore to Tri-Cities, returning Sun, Feb 8, priced at $277 found 23 hours ago
Delta
Mon, Nov 24 - Wed, Dec 3
BWI
Baltimore
TRI
Tri-Cities
$287 Roundtrip, found 18 hours ago
$287
Roundtrip
found 18 hours ago
Select Delta flight, departing Mon, Nov 24 from Baltimore to Tri-Cities, returning Wed, Dec 3, priced at $287 found 18 hours ago
Delta
Mon, Nov 24 - Thu, Nov 27
BWI
Baltimore
TRI
Tri-Cities
$297 Roundtrip, found 18 hours ago
$297
Roundtrip
found 18 hours ago
Select Delta flight, departing Mon, Nov 24 from Baltimore to Tri-Cities, returning Thu, Nov 27, priced at $297 found 18 hours ago
Delta
Fri, Nov 28 - Thu, Dec 4
BWI
Baltimore
TRI
Tri-Cities
$302 Roundtrip, found 4 days ago
$302
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Nov 28 from Baltimore to Tri-Cities, returning Thu, Dec 4, priced at $302 found 4 days ago
Delta
Sat, Nov 15 - Thu, Dec 4
BWI
Baltimore
TRI
Tri-Cities
$308 Roundtrip, found 3 days ago
$308
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Nov 15 from Baltimore to Tri-Cities, returning Thu, Dec 4, priced at $308 found 3 days ago
Delta
Sun, Nov 23 - Wed, Dec 3
BWI
Baltimore
TRI
Tri-Cities
$312 Roundtrip, found 18 hours ago
$312
Roundtrip
found 18 hours ago
Select Delta flight, departing Sun, Nov 23 from Baltimore to Tri-Cities, returning Wed, Dec 3, priced at $312 found 18 hours ago
Delta
Mon, Nov 10 - Mon, Nov 17
BWI
Baltimore
TRI
Tri-Cities
$318 Roundtrip, found 3 days ago
$318
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Nov 10 from Baltimore to Tri-Cities, returning Mon, Nov 17, priced at $318 found 3 days ago
Delta
Mon, Nov 24 - Fri, Nov 28
BWI
Baltimore
TRI
Tri-Cities
$322 Roundtrip, found 18 hours ago
$322
Roundtrip
found 18 hours ago
Select Delta flight, departing Mon, Nov 24 from Baltimore to Tri-Cities, returning Fri, Nov 28, priced at $322 found 18 hours ago
Delta
Sat, Nov 8 - Thu, Nov 27
BWI
Baltimore
TRI
Tri-Cities
$323 Roundtrip, found 4 days ago
$323
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Nov 8 from Baltimore to Tri-Cities, returning Thu, Nov 27, priced at $323 found 4 days ago

Alternative airports near Blountville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Tri-Cities Regional TRI. Cheapest option available. Flights from $397
TRI
Tri-Cities Regional
Cheapest
Flights from $397
Flights from Baltimore (BWI) to Tri-Cities (TRI)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Tri-Cities Regional
Airlines serving
American Airlines, Delta
Roundtrip price
$276
Distance
364 mi

Baltimore to Tri-Cities Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore to Tri-Cities in 2025. You can also book with separate airlines for your outbound and return journeys, from $199 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 Baltimore 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 Baltimore 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Tri-Cities Regional Airport (TRI) cost?
Grab a cheap one-way flight from $199 or cheap return flight from $277 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Tri-Cities Regional Airport (TRI)?
The cheapest month to fly from BWI to TRI is February, when demand is low. Off-peak months are typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Tri-Cities Regional Airport (TRI)?
To find the cheapest airline that'll fly you from BWI to TRI, use Expedia's filter tool. Customize 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Tri-Cities Regional Airport (TRI)?
There are no daily nonstop flights available from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Tri-Cities Regional Airport (TRI). But you can opt for flights with layovers. Filter your search 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 BWI to TRI?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the airline, season 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Tri-Cities Regional Airport (TRI)?
To touch down at Tri-Cities Regional Airport (TRI) on schedule, book a flight that takes off from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Tri-Cities Regional Airport (TRI) last-minute?
Last-minute bookings from BWI to TRI are usually more expensive. To secure the best rates, start searching for flights as early as possible. That said, if your travel plans are flexible, you may score a cheap ticket right before your trip.
Is it cheaper to book a BWI to TRI flight and hotel package?
Securing a BWI to TRI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Tri-Cities Regional Airport (TRI)?
If you reserved your BWI to TRI flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.