$346+ Cheap flights from Kingsport, TN to Seattle (SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SEA
Jun 6 — Jun 131
Round-trip
1 adult, Economy
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Find cheap flights from Kingsport to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kingsport to Seattle
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Best
Last-minute
One-way
Cheapest flights from Kingsport to SeattleExplore the most affordable flight options available from Kingsport to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
Explore the most affordable flight options available from Kingsport to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:24 am
TRI
- SEA
1 stop10h 08m
American Airlines
Wed 8/1210:17 am
SEA
- TRI
1 stop9h 33m
American Airlines
Deal found 5/2![American Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:30 pm
TRI
- SEA
1 stop9h 18m
American Airlines
Tue 8/255:05 am
SEA
- TRI
1 stop8h 48m
American Airlines
Deal found 5/6![American Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:23 pm
TRI
- SEA
1 stop10h 36m
American Airlines
Wed 6/105:15 am
SEA
- TRI
1 stop7h 32m
American Airlines
Deal found 5/6![American Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:30 pm
TRI
- SEA
2 stops10h 40m
American Airlines
Fri 8/289:42 pm
SEA
- TRI
1 stop9h 59m
American Airlines
Deal found 5/4![American Airlines logo]()
$456
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:23 pm
TRI
- SEA
1 stop10h 36m
American Airlines
Tue 6/309:35 pm
SEA
- TRI
1 stop10h 07m
American Airlines
Deal found 5/3![American Airlines logo]()
$465
Best flights from Kingsport to SeattleDiscover carefully curated flight deals from Kingsport to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
Discover carefully curated flight deals from Kingsport to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:55 pm
TRI
- SEA
1 stop8h 08m
Delta
Sat 10/39:20 pm
SEA
- TRI
1 stop9h 15m
Delta
Deal found 5/2![Delta logo]()
$426
This American Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:30 pm
TRI
- SEA
1 stop9h 18m
American Airlines
Wed 8/1210:17 am
SEA
- TRI
1 stop9h 33m
American Airlines
Deal found 5/7![American Airlines logo]()
$426
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:46 pm
TRI
- SEA
1 stop7h 37m
Delta
Fri 8/287:16 am
SEA
- TRI
1 stop8h 12m
Delta
Deal found 5/4![Delta logo]()
$444
This American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:30 pm
TRI
- SEA
1 stop9h 18m
American Airlines
Tue 8/255:05 am
SEA
- TRI
1 stop8h 48m
American Airlines
Deal found 5/4![American Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:15 am
TRI
- SEA
1 stop7h 35m
American Airlines
Fri 6/195:15 am
SEA
- TRI
1 stop7h 32m
American Airlines
Deal found 5/2![American Airlines logo]()
$587
Last-minute flights from Kingsport to SeattleDiscover last-minute flight deals from Kingsport to Seattle. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Kingsport to Seattle. Data last updated May 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:19 pm
TRI
- SEA
1 stop7h 57m
Delta
Fri 5/159:35 pm
SEA
- TRI
1 stop8h 56m
Delta
Deal found 5/6![Delta logo]()
$555
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/64:20 pm
TRI
- SEA
2 stops11h 24m
American Airlines
Fri 5/1510:25 am
SEA
- TRI
1 stop9h 26m
American Airlines
Deal found 5/5![American Airlines logo]()
$560
This American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:08 pm
TRI
- SEA
1 stop8h 50m
American Airlines
Sat 5/235:15 am
SEA
- TRI
1 stop7h 32m
American Airlines
Deal found 5/4![American Airlines logo]()
$599
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:14 pm
TRI
- SEA
1 stop7h 45m
American Airlines
Mon 5/255:15 am
SEA
- TRI
1 stop7h 32m
American Airlines
Deal found 5/6![American Airlines logo]()
$636
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:23 pm
TRI
- SEA
1 stop10h 36m
American Airlines
Wed 6/105:15 am
SEA
- TRI
1 stop7h 32m
American Airlines
Deal found 5/6![American Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:23 pm
TRI
- SEA
1 stop10h 36m
American Airlines
Tue 6/309:35 pm
SEA
- TRI
1 stop10h 07m
American Airlines
Deal found 5/3![American Airlines logo]()
$465
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:12 pm
TRI
- SEA
1 stop9h 47m
American Airlines
Sat 6/139:35 pm
SEA
- TRI
1 stop10h 07m
American Airlines
Deal found 5/2![American Airlines logo]()
$518
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:15 am
TRI
- SEA
1 stop7h 35m
American Airlines
Fri 6/199:35 pm
SEA
- TRI
1 stop10h 07m
American Airlines
Deal found 5/6![American Airlines logo]()
$587
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:14 pm
TRI
- SEA
1 stop7h 45m
American Airlines
Mon 6/2910:23 am
SEA
- TRI
1 stop10h 03m
American Airlines
Deal found 5/2![American Airlines logo]()
$530
One-way flights from Kingsport to SeattleSearch for one-way flight options from Kingsport to Seattle. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
Search for one-way flight options from Kingsport to Seattle. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:20 am
TRI
- SEA
1 stop15h 13m
American Airlines
Deal found 5/6![American Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/224:22 pm
TRI
- SEA
2 stops45h 14m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:59 am
TRI
- SEA
1 stop15h 34m
American Airlines
Deal found 5/6![American Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:41 pm
TRI
- SEA
1 stop7h 18m
Delta
Deal found 5/6![Delta logo]()
$475
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:05 am
TRI
- SEA
2 stops12h 22m
American Airlines
Deal found 5/6![American Airlines logo]()
$540
Find flight deals from Kingsport to Seattle
Keep the following information in mind while searching for Kingsport to Seattle flight deals. Data was last updated May 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $389 (American Airlines) |
One-way from | $346 (American Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $615 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kingsport to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
Use the filters below to find and compare flights from Kingsport to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BlountvilleSeattle
TRI - SEA
TRISEA
Blountville Tri Cities TN/VA
Fri 9/25
6:55 pm-12:03 am
1 stop8h 08m
Seattle/Tacoma Intl
Sat 10/3
9:20 pm-9:35 am
1 stop9h 15m
$426
BlountvilleSeattle
TRI - SEA
TRISEA
Blountville Tri Cities TN/VA
Wed 8/5
12:30 pm-6:48 pm
1 stop9h 18m
Seattle/Tacoma Intl
Wed 8/12
10:17 am-10:50 pm
1 stop9h 33m
$426
BlountvilleSeattle
TRI - SEA
TRISEA
Blountville Tri Cities TN/VA
Tue 8/18
3:46 pm-8:23 pm
1 stop7h 37m
Seattle/Tacoma Intl
Fri 8/28
7:16 am-6:28 pm
1 stop8h 12m
$444
BlountvilleSeattle
TRI - SEA
TRISEA
Blountville Tri Cities TN/VA
Mon 8/17
12:30 pm-6:48 pm
1 stop9h 18m
Seattle/Tacoma Intl
Tue 8/25
5:05 am-4:53 pm
1 stop8h 48m
$444
Quickest round-trip
BlountvilleSeattle
TRI - SEA
TRISEA
Blountville Tri Cities TN/VA
Wed 6/10
5:15 am-9:50 am
1 stop7h 35m
Seattle/Tacoma Intl
Fri 6/19
5:15 am-3:47 pm
1 stop7h 32m
$587
Cheapest one-way
BlountvilleSeattle
TRI - SEA
TRISEA
Blountville Tri Cities TN/VA
Fri 5/22
4:22 pm-10:36 am
2 stops45h 14m
$380
BlountvilleSeattle
TRI - SEA
TRISEA
Blountville Tri Cities TN/VA
Wed 6/3
4:12 pm-12:16 am
2 stops11h 04m
$399
BlountvilleSeattle
TRI - SEA
TRISEA
Blountville Tri Cities TN/VA
Fri 5/22
7:59 am-8:33 pm
1 stop15h 34m
$447
Quickest one-way
BlountvilleSeattle
TRI - SEA
TRISEA
Blountville Tri Cities TN/VA
Wed 5/20
7:41 pm-11:59 pm
1 stop7h 18m
$475
BlountvilleSeattle
TRI - SEA
TRISEA
Blountville Tri Cities TN/VA
Wed 5/20
5:05 am-2:27 pm
2 stops12h 22m
$540
Sorted by cheapest first
Best time to book a flight from Kingsport to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Kingsport with our price prediction graph.
TRI-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Kingsport to Seattle
K1N-SEA
TRI-SEA
How much does it cost to fly round-trip from Kingsport to Seattle?
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated May 7, 2026.
Peruse reviews from past customers who have flown with Delta and American Airlines from Kingsport to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Overall
7.9
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Overall
7.9
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Overall
7.9
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Related info for your journey
Find useful and relevant information for your journey from Kingsport to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
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Alternative routes for Kingsport to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kingsport to Seattle by cabin class
Find flights from Kingsport to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kingsport and Seattle flights
Browse other Kingsport and Seattle flight options. Last updated on May 7, 2026.
Popular flight searches
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Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 7, 2026.
Kingsport to Seattle flights
Consider these flights traveling from Kingsport to Seattle.
Top 4 airlines flying from Kingsport to Seattle
Discover the top 4 airlines that operate flights from Kingsport to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$308 | Average$512 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$308 | Average$511 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$308 | Average$516 | FlexibilityNo cancel fee | On-timeN/A |