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$110+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
Jun 16 — Jun 231
Tue 6/16
Tue 6/23
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 May 17, 2026.

This Expedia deal was found by Cheapflights users on 5/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:42 pm
BNA
-
SEA
1 stop6h 45m
Frontier
Sat 10/37:00 am
SEA
-
BNA
1 stop9h 47m
Frontier
Deal found 5/16$298
This Mytrip deal was found by Cheapflights users on 5/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:20 pm
BNA
-
SEA
1 stop15h 46m
Frontier
Mon 6/87:50 pm
SEA
-
BNA
1 stop13h 34m
Frontier
Deal found 5/13$300
This Booking.com deal was found by Cheapflights users on 5/12. 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.
Wed 8/2611:59 am
BNA
-
SEA
1 stop23h 49m
Frontier
Wed 9/28:13 pm
SEA
-
BNA
1 stop22h 16m
Frontier
Deal found 5/12$301
This Booking.com deal was found by Cheapflights users on 5/13. 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.
Thu 7/26:35 pm
BNA
-
SEA
1 stop18h 00m
Frontier
Sun 7/58:12 pm
SEA
-
BNA
1 stop19h 28m
Frontier
Deal found 5/13$302
This Trip.com deal was found by Cheapflights users on 5/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:35 pm
BNA
-
SEA
1 stop18h 00m
Frontier
Wed 7/88:12 pm
SEA
-
BNA
1 stop19h 28m
Frontier
Deal found 5/16$303
This Frontier deal was found by Cheapflights users on 5/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:42 pm
BNA
-
SEA
1 stop6h 45m
Frontier
Sun 10/117:41 pm
SEA
-
BNA
1 stop12h 01m
Frontier
Deal found 5/14$304
This Trip.com deal was found by Cheapflights users on 5/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1012:09 pm
BNA
-
SEA
1 stop23h 39m
Frontier
Mon 6/157:41 pm
SEA
-
BNA
1 stop13h 43m
Frontier
Deal found 5/12$305
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/44:23 pm
BNA
-
SEA
Nonstop5h 03m
Delta
Sat 6/65:40 pm
SEA
-
BNA
Nonstop4h 28m
Delta
Deal found 5/11$307
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 8/102:47 pm
TYS
-
SEA
1 stop22h 52m
Multiple Airlines
Wed 8/197:41 pm
SEA
-
TYS
1 stop15h 08m
Multiple Airlines
Deal found 5/15$309
This Booking.com deal was found by Cheapflights users on 5/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:24 pm
BNA
-
SEA
1 stop15h 11m
Frontier
Mon 8/317:41 pm
SEA
-
BNA
1 stop13h 23m
Frontier
Deal found 5/15$309
This Frontier deal was found by Cheapflights users on 5/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:42 pm
BNA
-
SEA
1 stop6h 45m
Frontier
Thu 9/107:41 pm
SEA
-
BNA
1 stop12h 56m
Frontier
Deal found 5/14$310
This Booking.com deal was found by Cheapflights users on 5/12. 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.
Mon 6/18:20 pm
BNA
-
SEA
1 stop15h 46m
Frontier
Fri 6/127:41 pm
SEA
-
BNA
1 stop13h 43m
Frontier
Deal found 5/12$313

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 May 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$242
(Booking.com)

One-way from

$110
(Super.com)

Popular in

June

Cheapest in

January

Average price

$463
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. 16% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 17, 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

PaducahSeattle

PAH - SEA

PAHSEA

Paducah Barkley Regional

Wed 10/28

2:05 pm-10:38 pm

1 stop10h 33m

Seattle/Tacoma Intl

Tue 11/3

10:45 pm-1:30 pm

2 stops12h 45m

$344

BlountvilleSeattle

TRI - SEA

TRISEA

Blountville Tri Cities TN/VA

Fri 9/25

12:49 pm-6:52 pm

1 stop9h 03m

Seattle/Tacoma Intl

Sat 10/3

9:20 pm-9:35 am

1 stop9h 15m

$369

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sat 9/19

6:07 pm-8:00 pm

Nonstop4h 53m

Seattle/Tacoma Intl

Mon 9/28

9:30 am-5:04 pm

Nonstop4h 34m

$377

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 11/4

8:36 am-10:40 am

Nonstop5h 04m

Seattle/Tacoma Intl

Wed 11/11

1:45 pm-9:06 pm

Nonstop4h 21m

$377

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Thu 11/5

6:53 am-9:03 am

Nonstop5h 10m

Seattle/Tacoma Intl

Tue 11/17

11:45 am-7:07 pm

Nonstop4h 22m

$377
Quickest round-trip

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sat 8/29

6:02 pm-7:55 pm

Nonstop4h 53m

Seattle/Tacoma Intl

Wed 9/2

9:30 am-4:59 pm

Nonstop4h 29m

$377

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

Wed 7/8

7:00 am-9:59 am

Nonstop4h 59m

Seattle/Tacoma Intl

Sat 7/11

5:30 pm-11:54 pm

Nonstop4h 24m

$387

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Wed 10/7

7:00 am-11:40 am

1 stop7h 40m

Seattle/Tacoma Intl

Tue 10/13

11:50 pm-9:59 am

1 stop7h 09m

$389

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Wed 7/8

7:43 pm-11:59 pm

1 stop7h 16m

Seattle/Tacoma Intl

Wed 7/15

11:59 pm-11:05 am

1 stop8h 06m

$389

LexingtonSeattle

LEX - SEA

LEXSEA

Lexington Blue Grass

Wed 8/26

5:56 pm-11:57 pm

1 stop9h 01m

Seattle/Tacoma Intl

Sun 8/30

10:35 pm-9:24 am

1 stop7h 49m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

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

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

Booking 77 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.

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

Currently, July is the cheapest month in which you can book a flight from Kentucky to Seattle (average of $122). Flying from Kentucky to Seattle in March is currently the most expensive (average of $308). 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?

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 53m. Fly via United Airlines, Delta, or Alaska Airlines to get the fastest option. There are 1959 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 Alaska Airlines, with whom users have recently found tickets for as low as $118. However, be on the lookout for offers from Delta and American 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 Louisville Intl - 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, July is the cheapest month in which you can book a flight from Kentucky to Seattle (average of $122). Flying from Kentucky to Seattle in March is currently the most expensive (average of $308). 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
Ocean Shores
Olympia
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Marysville

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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 May 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$206Average$420FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$237Average$492FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$264Average$472FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$270Average$440FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$342Average$487FlexibilityNo cancel feeOn-time63%

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