Cheap flights from SEA to TRI (Seattle - Tacoma Intl. to Tri-Cities Regional)

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Cheap Flights from SEA to TRI starting at $185 One Way, $369 Round Trip

Prices starting at $369 for return flights and $185 for one-way flights to Tri-Cities Regional were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 14 - Sun, Aug 24
SEA
Seattle
TRI
Tri-Cities
$369 Roundtrip, found 1 hour ago
$369
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Aug 14 from Seattle to Tri-Cities, returning Sun, Aug 24, priced at $369 found 1 hour ago
Thu, Aug 14 - Sun, Aug 24
SEA
Seattle
TRI
Tri-Cities
$374 Roundtrip, found 1 hour ago
$374
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Aug 14 from Seattle to Tri-Cities, returning Sun, Aug 24, priced at $374 found 1 hour ago
Tue, Jul 15 - Sat, Aug 2
SEA
Seattle
TRI
Tri-Cities
$377 Roundtrip, found 5 days ago
$377
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jul 15 from Seattle to Tri-Cities, returning Sat, Aug 2, priced at $377 found 5 days ago
Wed, Oct 22 - Sat, Oct 25
SEA
Seattle
TRI
Tri-Cities
$379 Roundtrip, found 6 days ago
$379
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 22 from Seattle to Tri-Cities, returning Sat, Oct 25, priced at $379 found 6 days ago
Fri, Jul 25 - Tue, Jul 29
SEA
Seattle
TRI
Tri-Cities
$382 Roundtrip, found 5 days ago
$382
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Jul 25 from Seattle to Tri-Cities, returning Tue, Jul 29, priced at $382 found 5 days ago

Hotel Ideas near Tri-Cities Regional

Airport Hotels near Tri-Cities Regional

Sleep Inn & Suites Kingsport TriCities Airport
Sleep Inn & Suites Kingsport TriCities Airport
2.5 out of 5
200 Hospitality Pl, Blountville, TN
The price is $87 total per night from Jun 29 to Jun 30
$87 total
per night
Jun 29 - Jun 30
Book a stay at this business-friendly hotel in Blountville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
8.2/10 Very Good! (896 reviews)
"I always enjoy staying here. The people are all so nice. The bed is so so comfortable and the free shuttle to the airport is fantastic! I always stay here the night before a flight."

Reviewed on Jun 6, 2025

Sleep Inn & Suites Kingsport TriCities Airport
La Quinta Inn and Suites
La Quinta Inn and Suites
3 out of 5
10150 Airport Pkwy, Blountville, TN
The price is $104 total per night from Jul 1 to Jul 2
$104 total
per night
Jul 1 - Jul 2
Stay at this 3-star business-friendly hotel in Blountville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7.8/10 Good! (1,002 reviews)
"Close to interstate for east access to work.."

Reviewed on Jun 5, 2025

La Quinta Inn and Suites
Econo Lodge
Econo Lodge
2 out of 5
9980 Airport Pkwy, Blountville, TN
The price is $85 total per night from Jun 9 to Jun 10
$85 total
per night
Jun 9 - Jun 10
Book a stay at this business-friendly hotel in Blountville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
7.6/10 Good! (465 reviews)
"Room was teeny-tiny. Two people could not pass each other in area between bed and cabinet. Circuit breaker popped and no one on site could fix it. Lost use of microwave. Learned at that point there were no GFI switches. Room was poorly finished with nail holes snd mollies just left in the walls. ..."

Reviewed on May 29, 2025

Econo Lodge
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Hotels In Tri-Cities

Sleep Inn & Suites Kingsport TriCities Airport
Sleep Inn & Suites Kingsport TriCities Airport
2.5 out of 5
200 Hospitality Pl, Blountville, TN
The price is $87 total per night from Jun 29 to Jun 30
$87 total
per night
Jun 29 - Jun 30
Book a stay at this business-friendly hotel in Blountville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
8.2/10 Very Good! (896 reviews)
"I always enjoy staying here. The people are all so nice. The bed is so so comfortable and the free shuttle to the airport is fantastic! I always stay here the night before a flight."

Reviewed on Jun 6, 2025

Sleep Inn & Suites Kingsport TriCities Airport
La Quinta Inn and Suites
La Quinta Inn and Suites
3 out of 5
10150 Airport Pkwy, Blountville, TN
The price is $104 total per night from Jul 1 to Jul 2
$104 total
per night
Jul 1 - Jul 2
Stay at this 3-star business-friendly hotel in Blountville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7.8/10 Good! (1,002 reviews)
"Close to interstate for east access to work.."

Reviewed on Jun 5, 2025

La Quinta Inn and Suites
Econo Lodge
Econo Lodge
2 out of 5
9980 Airport Pkwy, Blountville, TN
The price is $85 total per night from Jun 9 to Jun 10
$85 total
per night
Jun 9 - Jun 10
Book a stay at this business-friendly hotel in Blountville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
7.6/10 Good! (465 reviews)
"Room was teeny-tiny. Two people could not pass each other in area between bed and cabinet. Circuit breaker popped and no one on site could fix it. Lost use of microwave. Learned at that point there were no GFI switches. Room was poorly finished with nail holes snd mollies just left in the walls. ..."

Reviewed on May 29, 2025

Econo Lodge
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Tri-Cities Hotels With Airport Transportation

La Quinta Inn and Suites
La Quinta Inn and Suites
3 out of 5
10150 Airport Pkwy, Blountville, TN
The price is $104 total per night from Jul 1 to Jul 2
$104 total
per night
Jul 1 - Jul 2
Stay at this 3-star business-friendly hotel in Blountville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7.8/10 Good! (1,002 reviews)
"Close to interstate for east access to work.."

Reviewed on Jun 5, 2025

La Quinta Inn and Suites
Econo Lodge
Econo Lodge
2 out of 5
9980 Airport Pkwy, Blountville, TN
The price is $85 total per night from Jun 9 to Jun 10
$85 total
per night
Jun 9 - Jun 10
Book a stay at this business-friendly hotel in Blountville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
7.6/10 Good! (465 reviews)
"Room was teeny-tiny. Two people could not pass each other in area between bed and cabinet. Circuit breaker popped and no one on site could fix it. Lost use of microwave. Learned at that point there were no GFI switches. Room was poorly finished with nail holes snd mollies just left in the walls. ..."

Reviewed on May 29, 2025

Econo Lodge
Sleep Inn & Suites Kingsport TriCities Airport
Sleep Inn & Suites Kingsport TriCities Airport
2.5 out of 5
200 Hospitality Pl, Blountville, TN
The price is $87 total per night from Jun 29 to Jun 30
$87 total
per night
Jun 29 - Jun 30
Book a stay at this business-friendly hotel in Blountville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
8.2/10 Very Good! (896 reviews)
"I always enjoy staying here. The people are all so nice. The bed is so so comfortable and the free shuttle to the airport is fantastic! I always stay here the night before a flight."

Reviewed on Jun 6, 2025

Sleep Inn & Suites Kingsport TriCities Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Low Priced Tri-Cities Hotels

Econo Lodge
Econo Lodge
2 out of 5
9980 Airport Pkwy, Blountville, TN
The price is $85 total per night from Jun 9 to Jun 10
$85 total
per night
Jun 9 - Jun 10
Book a stay at this business-friendly hotel in Blountville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
7.6/10 Good! (465 reviews)
"Room was teeny-tiny. Two people could not pass each other in area between bed and cabinet. Circuit breaker popped and no one on site could fix it. Lost use of microwave. Learned at that point there were no GFI switches. Room was poorly finished with nail holes snd mollies just left in the walls. ..."

Reviewed on May 29, 2025

Econo Lodge
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Family Friendly Hotels in Tri-Cities

La Quinta Inn and Suites
La Quinta Inn and Suites
3 out of 5
10150 Airport Pkwy, Blountville, TN
The price is $104 total per night from Jul 1 to Jul 2
$104 total
per night
Jul 1 - Jul 2
Stay at this 3-star business-friendly hotel in Blountville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7.8/10 Good! (1,002 reviews)
"Close to interstate for east access to work.."

Reviewed on Jun 5, 2025

La Quinta Inn and Suites
Sleep Inn & Suites Kingsport TriCities Airport
Sleep Inn & Suites Kingsport TriCities Airport
2.5 out of 5
200 Hospitality Pl, Blountville, TN
The price is $87 total per night from Jun 29 to Jun 30
$87 total
per night
Jun 29 - Jun 30
Book a stay at this business-friendly hotel in Blountville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
8.2/10 Very Good! (896 reviews)
"I always enjoy staying here. The people are all so nice. The bed is so so comfortable and the free shuttle to the airport is fantastic! I always stay here the night before a flight."

Reviewed on Jun 6, 2025

Sleep Inn & Suites Kingsport TriCities Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

SEA to TRI Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date

Frequently asked questions

Am I able to catch a flight from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Tri-Cities, TN Airport (TRI-Tri-Cities Regional) now?
If you’re wondering about quarantine and travel restrictions when flying from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Tri-Cities, TN Airport (TRI-Tri-Cities Regional), check out our Covid-19 Travel Advisor.
Are there non-stop flights from Sea-Tac Airport to Tri-Cities, TN Airport (TRI-Tri-Cities Regional)?
Traveling from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to TRI? Breaking up the trip is the only option you’ve got as there are no carriers that run nonstop on this route. However, American Airlines, Delta and Qatar Airways offer the next best thing — a flight with only one stopover.
What is the shortest flight from Sea-Tac Airport to TRI?
The quickest flight from Sea-Tac Airport to Tri-Cities Regional Airport (TRI) is 5 hours and 55 minutes. Slip a few things into your carry-on to stop you from getting bored, like a gripping read or your travel journal.
How many hours flight from Sea-Tac Airport to TRI?
It takes an average of 6 hours and 6 minutes to travel from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to TRI. Breeze through this medium-haul journey by watching some films and getting stuck into a good book. Alternatively, catch up on some Zs.
If I am not able to travel due to COVID-19, can I cancel my flight to Tri-Cities, TN Airport (TRI-Tri-Cities Regional)?
We get that traveling right now has its challenges, so it’s good to know that many reservations booked through us are able to be cancelled or changed. If your travel plans to Tri-Cities, TN Airport (TRI-Tri-Cities Regional) have been affected by COVID-19, a lot of airlines are making things easier by offering credits to use at a later date. Just sign in to your account and you’ll quickly see what options are available. Our Customer Service Portal is the place to go for more information.
Are there flights to Tri-Cities, TN Airport (TRI-Tri-Cities Regional) with flexible change policies?
In most cases you’ll have the option to reschedule your flight to Tri-Cities, TN Airport (TRI-Tri-Cities Regional) without a change fee. All you have to do then is pay the difference between the old flight and the new one. Look for the “no change fees” filter and book with confidence.
What airlines have the most flights from Sea-Tac Airport to Tri-Cities, TN Airport (TRI-Tri-Cities Regional)?
Unfortunately, there are no direct flights between Northgate and Eastern Tennessee. However, you will be able to book flights with at least one stop. Look on the bright side — use the time to stretch your travel-weary legs or grab a nice coffee!

Map To Nearby Hotels

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.