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$58+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Kentucky to Seattle

Keep the following information in mind while searching for Kentucky to Seattle flight deals. Data was last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$175
(Kiwi.com)

One-way from

$58
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$376
Provider with most accurate pricing for Louisville Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Seattle/Tacoma Intl flights.
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From Kentucky to Seattle/Tacoma Intl
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One-way flight from Kentucky to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 12% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 12/74:52 pmTYS - SEA
1 stop22h 01mFrontier
Sat 12/1312:48 pmSEA - TYS
1 stop24h 09mFrontier
Deal found 10/27$175
This Delta deal was found by Cheapflights users on 10/27. 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.
Sat 12/66:55 amCVG - SEA
Nonstop5h 00mDelta
Tue 12/911:25 amSEA - CVG
Nonstop4h 18mDelta
Deal found 10/27$177
This Booking.com deal was found by Cheapflights users on 10/27. 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.
Tue 11/1110:24 amCVG - SEA
1 stop28h 43mFrontier
Sat 11/1512:58 pmSEA - CVG
1 stop8h 01mFrontier
Deal found 10/27$178
This Frontier deal was found by Cheapflights users on 10/26. 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.
Fri 11/146:05 amCVG - SEA
1 stop9h 08mFrontier
Mon 11/172:22 pmSEA - CVG
1 stop8h 17mFrontier
Deal found 10/26$182
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Thu 11/139:30 pmCVG - SEA
1 stop24h 02mFrontier
Sun 11/162:22 pmSEA - CVG
1 stop26h 58mFrontier
Deal found 10/28$184
This Delta deal was found by Cheapflights users on 10/28. 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 12/36:30 amCVG - SEA
Nonstop5h 01mDelta
Mon 12/811:25 amSEA - CVG
Nonstop4h 18mDelta
Deal found 10/28$187
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 11/166:05 amCVG - SEA
1 stop9h 08mFrontier
Wed 11/191:37 pmSEA - CVG
2 stops23h 26mFrontier
Deal found 10/27$189
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 11/206:30 amTYS - SEA
1 stop8h 26mMultiple Airlines
Fri 11/211:01 pmSEA - TYS
1 stop27h 09mMultiple Airlines
Deal found 10/26$191
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/66:00 pmCVG - SEA
1 stop8h 25mAmerican Airlines
Tue 12/95:18 amSEA - CVG
1 stop7h 48mAmerican Airlines
Deal found 10/27$196
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 12/156:23 pmCVG - SEA
Nonstop5h 12mAlaska Airlines
Thu 1/110:14 amSEA - CVG
Nonstop4h 25mAlaska Airlines
Deal found 10/27$197
This Priceline deal was found by Cheapflights users on 10/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:05 amCVG - SEA
1 stop9h 08mFrontier
Mon 11/102:22 pmSEA - CVG
1 stop8h 17mFrontier
Deal found 10/25$202
This Frontier deal was found by Cheapflights users on 10/27. 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.
Thu 11/136:05 amCVG - SEA
1 stop9h 08mFrontier
Thu 11/201:01 pmSEA - CVG
1 stop7h 41mFrontier
Deal found 10/27$206

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 October 28, 2025.
Use the filters below to find and compare flights from Kentucky to Seattle that are best for you.

Fly from

Kentucky

Fly to

Seattle

Route

Depart

Return

Price

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 12/3

6:30 am-8:31 am

Nonstop5h 01m

Seattle/Tacoma Intl

Mon 12/8

11:25 am-6:43 pm

Nonstop4h 18m

$187

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sun 2/15

8:00 am-10:20 am

Nonstop5h 20m

Seattle/Tacoma Intl

Sat 2/21

10:00 am-5:10 pm

Nonstop4h 10m

$187

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 1/7

6:45 am-8:52 am

Nonstop5h 07m

Seattle/Tacoma Intl

Mon 1/12

11:45 am-7:04 pm

Nonstop4h 19m

$187

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 1/14

6:45 am-8:52 am

Nonstop5h 07m

Seattle/Tacoma Intl

Sun 1/18

11:45 am-7:04 pm

Nonstop4h 19m

$187

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Sun 12/7

4:52 pm-2:45 pm

2 stops24h 53m

Seattle/Tacoma Intl

Sat 12/13

12:48 pm-3:57 pm

1 stop24h 09m

$209

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sun 3/1

8:00 am-10:20 am

Nonstop5h 20m

Seattle/Tacoma Intl

Tue 3/3

10:00 am-5:10 pm

Nonstop4h 10m

$227

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 2/18

7:00 am-9:16 am

Nonstop5h 16m

Seattle/Tacoma Intl

Sun 2/22

11:20 am-6:46 pm

Nonstop4h 26m

$228

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sat 1/3

6:55 am-8:55 am

Nonstop5h 00m

Seattle/Tacoma Intl

Wed 1/7

11:45 am-7:04 pm

Nonstop4h 19m

$228

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Thu 11/20

6:30 am-11:56 am

1 stop8h 26m

Seattle/Tacoma Intl

Mon 11/24

1:01 pm-1:54 pm

1 stop21h 53m

$230

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Thu 12/11

6:30 am-8:30 am

Nonstop5h 00m

Seattle/Tacoma Intl

Tue 12/16

11:25 am-6:43 pm

Nonstop4h 18m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 60 results
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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, August is the cheapest month in which you can book a flight from Kentucky to Seattle (average of $208). Flying from Kentucky to Seattle in June is currently the most expensive (average of $347). 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.

What is the cheapest time of day to fly from KY to SEA?

Find hourly flight availability from Kentucky to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 13% on flights from Kentucky to Seattle by exploring options for tickets in the evening.

What is the cheapest day to fly from Kentucky to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Kentucky to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Kentucky to Seattle flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 5h 01m. Fly via Delta, Alaska Airlines, or Frontier 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 Delta, with whom users have recently found tickets for as low as $109. However, be on the lookout for offers from United Airlines and Alaska 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 Nashville Intl - Seattle/Tacoma Intl. You may also consider Cincinnati Cinci./N. Kentucky - 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, August is the cheapest month in which you can book a flight from Kentucky to Seattle (average of $208). Flying from Kentucky to Seattle in June is currently the most expensive (average of $347). 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
Tukwila
Tacoma
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$206Average$430FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$237Average$497FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$270Average$504FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$294Average$467FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$353Average$505FlexibilityNo cancel feeOn-time63%

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