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$101+ Cheap flights from Kentucky 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
Aug 15 — Aug 221
Sat 8/15
Sat 8/22
1 adult, Economy
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Cheap flight deals from Kentucky to Seattle

Cheapest flights from Kentucky to Seattle
Explore the most affordable flight options available from Kentucky to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:34 pm
BNA
-
SEA
Nonstop5h 01m
Alaska Airlines
Sun 9/1311:08 pm
SEA
-
BNA
Nonstop4h 29m
Alaska Airlines
Deal found 7/13$347
This CheapOair deal was found by Cheapflights users on 7/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/243:41 pm
BNA
-
SEA
1 stop20h 58m
Frontier
Sun 8/309:29 pm
SEA
-
BNA
1 stop14h 17m
Frontier
Deal found 7/11$348
This American Airlines deal was found by Cheapflights users on 7/11. 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 8/86:59 pm
LEX
-
SEA
1 stop8h 14m
American Airlines
Wed 8/125:50 am
SEA
-
LEX
1 stop9h 35m
American Airlines
Deal found 7/11$349
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Tue 7/219:25 am
BNA
-
SEA
Nonstop5h 01m
Multiple Airlines
Tue 7/287:06 pm
SEA
-
BNA
1 stop14h 26m
Multiple Airlines
Deal found 7/15$349
This Booking.com deal was found by Cheapflights users on 7/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:55 pm
BNA
-
SEA
1 stop22h 24m
Multiple Airlines
Wed 8/269:33 am
SEA
-
BNA
Nonstop4h 31m
Multiple Airlines
Deal found 7/13$350
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 7/318:47 pm
BNA
-
SEA
2 stops39h 52m
Multiple Airlines
Sun 8/98:53 pm
SEA
-
BNA
1 stop15h 53m
Multiple Airlines
Deal found 7/13$351
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Mon 7/277:02 am
BNA
-
SEA
Nonstop5h 02m
Multiple Airlines
Tue 8/47:06 pm
SEA
-
BNA
1 stop14h 34m
Multiple Airlines
Deal found 7/15$352
This Southwest deal was found by Cheapflights users on 7/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:00 am
BNA
-
SEA
Nonstop4h 55m
Southwest
Mon 8/3111:00 pm
SEA
-
BNA
Nonstop4h 25m
Southwest
Deal found 7/15$353
This United Airlines deal was found by Cheapflights users on 7/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:15 am
LEX
-
SEA
2 stops12h 14m
United Airlines
Sat 8/297:00 am
SEA
-
LEX
1 stop7h 35m
United Airlines
Deal found 7/11$354
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Tue 8/1812:55 pm
BNA
-
SEA
1 stop22h 24m
Multiple Airlines
Wed 8/265:28 pm
SEA
-
BNA
Nonstop4h 24m
Multiple Airlines
Deal found 7/11$354
This CheapOair deal was found by Cheapflights users on 7/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/319:30 pm
CVG
-
SEA
1 stop16h 09m
Frontier
Sun 8/98:53 pm
SEA
-
CVG
1 stop20h 29m
Frontier
Deal found 7/11$354
This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:25 am
SDF
-
SEA
1 stop8h 23m
United Airlines
Sat 9/55:00 am
SEA
-
SDF
1 stop6h 29m
United Airlines
Deal found 7/14$355

Find flight deals from Kentucky to Seattle

Keep the following information in mind while searching for Kentucky to Seattle flight deals. Data was last updated July 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$347
(Alaska Airlines)

One-way from

$101
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$567
Provider with most accurate pricing for Louisville Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Seattle/Tacoma Intl flights.
Search Deals
From Kentucky to Seattle/Tacoma Intl
Search Deals
One-way flight from Kentucky to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky 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 July 16, 2026.
Use the filters below to find and compare flights from Kentucky to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

Tue 8/25

5:20 pm-8:19 pm

Nonstop4h 59m

Seattle/Tacoma Intl

Wed 9/2

5:30 pm-11:55 pm

Nonstop4h 25m

$347

LexingtonSeattle

LEX - SEA

LEXSEA

Lexington Blue Grass

Fri 10/2

6:05 pm-10:56 pm

1 stop7h 51m

Seattle/Tacoma Intl

Tue 10/6

1:56 pm-11:55 pm

1 stop6h 59m

$349

LexingtonSeattle

LEX - SEA

LEXSEA

Lexington Blue Grass

Sat 8/22

7:35 am-2:34 pm

1 stop9h 59m

Seattle/Tacoma Intl

Mon 8/31

7:16 am-7:46 pm

1 stop9h 30m

$349

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Mon 8/10

7:10 pm-11:55 pm

1 stop7h 45m

Seattle/Tacoma Intl

Tue 8/18

12:40 pm-11:00 pm

1 stop7h 20m

$355
Quickest round-trip

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

Sat 8/22

7:00 am-9:57 am

Nonstop4h 57m

Seattle/Tacoma Intl

Tue 8/25

5:28 pm-11:52 pm

Nonstop4h 24m

$357

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

Thu 8/27

7:00 am-9:57 am

Nonstop4h 57m

Seattle/Tacoma Intl

Wed 9/2

5:28 pm-11:52 pm

Nonstop4h 24m

$357

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Wed 9/9

6:45 pm-11:35 pm

1 stop7h 50m

Seattle/Tacoma Intl

Tue 9/15

11:05 pm-12:40 pm

2 stops10h 35m

$360

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Sat 10/3

5:35 pm-10:20 pm

1 stop7h 45m

Seattle/Tacoma Intl

Mon 10/5

8:40 pm-10:05 am

2 stops10h 25m

$360

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

Tue 9/1

7:11 am-10:05 am

Nonstop4h 54m

Seattle/Tacoma Intl

Fri 9/11

5:30 pm-11:58 pm

Nonstop4h 28m

$367

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

Fri 9/4

5:20 pm-8:19 pm

Nonstop4h 59m

Seattle/Tacoma Intl

Sun 9/6

9:27 am-3:53 pm

Nonstop4h 26m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Kentucky to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Kentucky with our price prediction graph.
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 Kentucky to Seattle

What is the cheapest month to book a flight from Kentucky to Seattle?

Currently, April is the cheapest month in which you can book a flight from Kentucky to Seattle (average of $157). Flying from Kentucky to Seattle in June is currently the most expensive (average of $317). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Kentucky to Seattle?

How far ahead should I book a flight from Kentucky to Seattle?

Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from Kentucky to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Kentucky?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Kentucky to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • How long is the flight from Kentucky to Seattle?

    There are many flights that can get you from Kentucky to Seattle in 4h 59m. Fly via United Airlines, Delta, or American Airlines to get the fastest option. There are 1972 mi between Kentucky and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Kentucky to Seattle one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $128. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Kentucky to Seattle for a low price.

  • What are the most popular routes from Kentucky to Seattle?

    The most popular route from Kentucky to Seattle is Cincinnati Cinci./N. Kentucky - Seattle/Tacoma Intl. You may also consider Nashville Intl - Seattle/Tacoma Intl or Knoxville McGhee Tyson - Seattle/Tacoma Intl.

  • Can I find deals for flights from Kentucky to Seattle that include hotel bookings?

    Yes. In addition to deals on Kentucky to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Seattle.

  • Can I find deals for business class flights from Kentucky to Seattle?

    Yes. Cheapflights offers flight deals from Kentucky to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kentucky to Seattle?

    Currently, April is the cheapest month in which you can book a flight from Kentucky to Seattle (average of $157). Flying from Kentucky to Seattle in June is currently the most expensive (average of $317). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Lacey
Leavenworth
Olympia
Ocean Shores
Edmonds
Snoqualmie
Tumwater
Tukwila
Renton
Kent
Lynnwood
Puyallup
Ellensburg
Fife
Marysville
Lakewood
Issaquah
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kentucky to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Kentucky to Seattle

Discover the top 5 airlines that operate flights from Kentucky 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 July 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$247Average$462FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$480FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$291Average$483FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$327Average$598FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$350Average$511FlexibilityNo cancel feeOn-time63%

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