$150 Cheap Delta flights Baltimore (BWI) to Tri-Cities (TRI)

View $150 flight on Tue, Aug 26, 2025Opens in a new window

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$150 Cheap Delta flights Baltimore (BWI) to Tri-Cities (TRI)

Prices were available within the past 7 days and start at $150 for one-way flights and $294 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jul 29 - Thu, Aug 14
BWI
Baltimore
TRI
Tri-Cities
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jul 29 from Baltimore to Tri-Cities, returning Thu, Aug 14, priced at $294 found 2 days ago
Delta
Tue, Aug 19 - Tue, Aug 26
BWI
Baltimore
TRI
Tri-Cities
$297 Roundtrip, found 17 hours ago
$297
Roundtrip
found 17 hours ago
Select Delta flight, departing Tue, Aug 19 from Baltimore to Tri-Cities, returning Tue, Aug 26, priced at $297 found 17 hours ago
Delta
Sat, Aug 16 - Wed, Aug 20
BWI
Baltimore
TRI
Tri-Cities
$298 Roundtrip, found 13 hours ago
$298
Roundtrip
found 13 hours ago
Select Delta flight, departing Sat, Aug 16 from Baltimore to Tri-Cities, returning Wed, Aug 20, priced at $298 found 13 hours ago
Delta
Thu, Jul 31 - Wed, Aug 13
BWI
Baltimore
TRI
Tri-Cities
$303 Roundtrip, found 1 day ago
$303
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Jul 31 from Baltimore to Tri-Cities, returning Wed, Aug 13, priced at $303 found 1 day ago
Delta
Thu, Jul 31 - Thu, Aug 7
BWI
Baltimore
TRI
Tri-Cities
$304 Roundtrip, found 1 day ago
$304
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Jul 31 from Baltimore to Tri-Cities, returning Thu, Aug 7, priced at $304 found 1 day ago
Delta
Fri, Jul 25 - Tue, Jul 29
BWI
Baltimore
TRI
Tri-Cities
$324 Roundtrip, found 16 hours ago
$324
Roundtrip
found 16 hours ago
Select Delta flight, departing Fri, Jul 25 from Baltimore to Tri-Cities, returning Tue, Jul 29, priced at $324 found 16 hours ago
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
Popular airline
Delta
Distance
364 mi

Frequently asked questions

How much is a Delta Air Lines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Tri-Cities Regional Airport (TRI)?
You can find budget-friendly return Delta Air Lines flights from $294 from BWI to TRI by sorting your results from "Price (lowest to highest)" on Expedia. Or search for options from $150 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BWI to TRI with Delta Air Lines?
Browse for return or one-way flights to Blountville in January or February. You could find cheaper fares with Delta Air Lines during these off-peak travel months.
What is the cheapest time to book flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Tri-Cities Regional Airport (TRI) with Delta Air Lines?
Search for cheap Delta Air Lines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Tri-Cities Regional Airport (TRI) one to three months ahead of your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Tri-Cities Regional Airport (TRI)?
To figure out if there's a direct trip from BWI to TRI with Delta Air Lines or another airline, use our "Nonstop" filter when browsing for flights.
What is the earliest Delta Air Lines flight from BWI to TRI?
Sort your results by "Early Morning" and "Morning" to find the earliest flights from BWI to TRI. Heading off early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Blountville?
Tri-Cities Regional Airport (TRI) is the main Blountville gateway for Delta Air Lines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
Why fly with Delta Air Lines from BWI to TRI?
Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is the leading choice for many travelers heading from BWI to TRI. What's more, if you're a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Tri-Cities Regional Airport (TRI)?
You can usually cancel or reschedule your flight, although additional charges may apply if you made your booking more than 24 hours ago. Need to keep your options open? Use Expedia's "No cancel fee" and "Changes included" filters to find flights that won't charge you extra if you have to alter your plans. To make changes, visit "Trips," select your flight and click on "Manage Booking" for more information.

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