$319 Cheap Alaska Airlines flights Seattle (SEA) to Knoxville (TYS)

View $319 flight on Tue, Nov 25, 2025Opens in a new window

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$319 Cheap Alaska Airlines flights Seattle (SEA) to Knoxville (TYS)

Prices were available within the past 7 days and start at $319 for one-way flights and $409 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Sep 10 - Wed, Sep 17
SEA
Seattle
TYS
Knoxville
$409 Roundtrip, just found
$409
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Sep 10 from Seattle to Knoxville, returning Wed, Sep 17, priced at $409 just found
Alaska Airlines
Mon, Nov 24 - Tue, Dec 2
PAE
Seattle
TYS
Knoxville
$1,020 Roundtrip, found 4 days ago
$1,020
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Nov 24 from Seattle to Knoxville, returning Tue, Dec 2, priced at $1,020 found 4 days ago
Alaska Airlines
Mon, Nov 24 - Tue, Dec 2
PAE
Seattle
TYS
Knoxville
$1,024 Roundtrip, found 4 days ago
$1,024
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Nov 24 from Seattle to Knoxville, returning Tue, Dec 2, priced at $1,024 found 4 days ago
Alaska Airlines
Mon, Nov 24 - Tue, Dec 2
PAE
Seattle
TYS
Knoxville
$1,040 Roundtrip, found 4 days ago
$1,040
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Nov 24 from Seattle to Knoxville, returning Tue, Dec 2, priced at $1,040 found 4 days ago
Alaska Airlines
Sun, Nov 23 - Tue, Dec 9
PAE
Seattle
TYS
Knoxville
$1,045 Roundtrip, found 4 days ago
$1,045
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sun, Nov 23 from Seattle to Knoxville, returning Tue, Dec 9, priced at $1,045 found 4 days ago
Alaska Airlines
Fri, Oct 24 - Sun, Oct 26
PAE
Seattle
TYS
Knoxville
$1,050 Roundtrip, found 4 days ago
$1,050
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Oct 24 from Seattle to Knoxville, returning Sun, Oct 26, priced at $1,050 found 4 days ago
Flights from Seattle (SEA) to Knoxville (TYS)
Origin airport
Seattle - Tacoma Intl.
Destination airport
McGhee Tyson
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Popular airline
Alaska Airlines
Distance
2109 mi

Frequently asked questions

How much is an Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to McGhee Tyson Airport (TYS)?
You'll find budget-friendly return Alaska Airlines flights from $409 from SEA to TYS by sorting your results from "Price (lowest to highest)" on Expedia. Or look for deals from $319 for a one-way trip.**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 SEA to TYS with Alaska Airlines?
Search for return or one-way flights to Knoxville in January or December. You could find cheaper fares with Alaska Airlines during these off-peak times.
What is the cheapest time to book flights from Seattle - Tacoma Intl. Airport (SEA) to McGhee Tyson Airport (TYS) with Alaska Airlines?
Start searching one to three months ahead of your travel date to find cheaper fares on Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to McGhee Tyson Airport (TYS). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic journeys.*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 Alaska Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to McGhee Tyson Airport (TYS)?
Select our "Nonstop" filter when looking for direct Alaska Airlines flights from SEA to TYS. You'll also be able to compare other carriers servicing the same nonstop journey.
What is the earliest Alaska Airlines flight from SEA to TYS?
Browse Alaska Airlines's earliest flights from SEA to TYS by using our "Morning" and "Early Morning" filters. Not only will you arrive at your destination sooner, early departures also have a 20% less chance of being canceled.**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 Alaska Airlines fly into in Knoxville?
McGhee Tyson Airport (TYS) is the primary Knoxville gateway for Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA).
Why fly with Alaska Airlines from SEA to TYS?
Alaska Airlines makes flying from SEA to TYS enjoyable with top-tier customer service and a rewarding loyalty program. You could even start collecting points with Mileage Plan. Don't forget to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed 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 Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to McGhee Tyson Airport (TYS)?
Depending on your ticket type, a fee generally applies if you modify or cancel your booking more than 24 hours after it's been confirmed. To find flexible plane tickets, select our "Changes included" or "No cancel fee" filter while searching for flights. For additional information on changing or canceling your reservation, head to "Trips," select your flight and tick "Manage Booking."

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