TRI to SEA (Tri-Cities to Seattle) Flights

Last Minute Flights from TRI to SEA

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
TRISeattleMay 3 to May 21$510
*Prices include taxes and fees

Cheapest TRI to SEA Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
TRISeattleMay 29 to June 7$393
TRISeattleMay 27 to June 4$418
TRISeattleJune 3 to June 17$445
TRIEverettJuly 23 to August 5$2,099
*Prices include taxes and fees
TRI to SEA Flight Details
Origin airport
Tri-Cities Regional
Origin airport IATA code
TRI
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Distance
2157 mi

Frequently asked questions

What airlines fly direct from TRI to Sea-Tac Airport?
To get from Tri-Cities Regional Airport (TRI) to Sea-Tac Airport, you’ll have to hop on a flight with at least one stop in between. At the moment, there are no nonstop services on this route.
How many flights are there from TRI to SEA?
There are no less than 10 daily flights from Tri-Cities, TN (TRI-Tri-Cities Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.), so you have no shortage of ways to get to SeaTac. Just pick out a time and date that works for you and lock in your seat.
How long does it take to fly from Tri-Cities, TN (TRI-Tri-Cities Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Tri-Cities, TN (TRI-Tri-Cities Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) takes on average 6 hours and 56 minutes. That’s an ideal length of time to binge-watch a gripping TV series, get absorbed in a podcast or settle back and have a snooze.
What is the flight distance from Tri-Cities, TN (TRI-Tri-Cities Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Covering a distance of 2,200 miles (3,500 1), you’ll be flying for some time during this medium-haul flight. Need leg space? Purchase an aisle seat. Otherwise, choose the window and stare out at the landscapes between Blountville and SeaTac.
How many morning flights are there from TRI to SEA?
The TRI to SEA route has good connections, with 35 morning flights a week.

  • Jet out with American Airlines (AA). It lists 21 flights weekly that depart before midday. The first one takes to the skies at 5:10AM.
  • Alternatively, reserve a ticket with Delta Air Lines (DL) and take off as early as 6:05AM. This carrier offers 14 morning flights per week between TRI and SEA.

How many afternoon flights are there from TRI to SEA?
Ditch the super early check in and select one of the 40 weekly afternoon and evening flights from TRI to SEA. Afternoon and evening services operated by American Airlines (AA) start at 2:34PM. In total, AA operates 27 flights during the week departing after midday.
What is the earliest departure time out of Blountville to SeaTac?
The earliest flight leaves TRI at 5:10AM and hits the runway at SEA at 1:10AM. Be sure to give yourself ample time in the morning to make it to your gate.
What is the latest departure time out of Blountville to SeaTac?
The latest flight leaves the runway at TRI at 8:40PM and arrives at SEA at 2:08PM. You’ll have more than enough time to prepare for this journey.
What is the average price from Blountville to SeaTac?
Flights from TRI to SEA start at around $393. Get in quick, because fares this hot wait for no one! This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Tri-Cities to Seattle Flights

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