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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
des. 11 — des. 181
to. 12/11
to. 12/18
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 November 11, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(Orbitz)

One-way from

$58
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$412
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. 11% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 11, 2025.

This Orbitz deal was found by Cheapflights users on 11/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
on. 12/36:23 pmCVG - SEA
Nonstop5h 12mMultiple Airlines
ma. 12/89:45 amSEA - CVG
1 stop9h 49mMultiple Airlines
Deal found 11/9$179
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
to. 12/46:10 amCVG - SEA
1 stop9h 04mFrontier
to. 12/1112:48 pmSEA - CVG
2 stops19h 44mFrontier
Deal found 11/9$182
This Frontier deal was found by Cheapflights users on 11/9. 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.
to. 11/276:00 amCVG - SEA
1 stop8h 56mFrontier
to. 12/411:01 amSEA - CVG
1 stop9h 57mFrontier
Deal found 11/9$183
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
lø. 12/209:30 pmCVG - SEA
1 stop15h 41mFrontier
fr. 1/92:54 pmSEA - CVG
2 stops19h 49mFrontier
Deal found 11/9$184
This Delta deal was found by Cheapflights users on 11/9. 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.
on. 12/36:30 amCVG - SEA
Nonstop5h 01mDelta
ma. 12/811:25 amSEA - CVG
Nonstop4h 18mDelta
Deal found 11/9$187
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
to. 12/44:52 pmTYS - SEA
1 stop22h 01mFrontier
sø. 12/712:48 pmSEA - TYS
1 stop24h 09mFrontier
Deal found 11/9$190
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
to. 12/42:15 pmBNA - SEA
1 stop20h 31mFrontier
sø. 12/712:48 pmSEA - BNA
1 stop27h 58mFrontier
Deal found 11/10$190
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
fr. 12/56:10 amCVG - SEA
1 stop8h 43mFrontier
fr. 12/123:40 pmSEA - CVG
2 stops16h 12mFrontier
Deal found 11/10$191
This Expedia deal was found by Cheapflights users on 11/10. 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.
fr. 12/56:23 pmCVG - SEA
Nonstop5h 12mMultiple Airlines
fr. 12/129:45 amSEA - CVG
1 stop8h 38mMultiple Airlines
Deal found 11/10$192
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
to. 12/46:10 amCVG - SEA
1 stop9h 04mFrontier
lø. 12/65:21 pmSEA - CVG
1 stop15h 11mFrontier
Deal found 11/9$193
This Cheapflightsfares deal was found by Cheapflights users on 11/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma. 12/86:23 pmCVG - SEA
Nonstop5h 12mAlaska Airlines
ma. 12/159:59 amSEA - CVG
Nonstop4h 24mAlaska Airlines
Deal found 11/10$195
This American Airlines deal was found by Cheapflights users on 11/8. 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.
lø. 12/67:16 amCVG - SEA
1 stop9h 49mAmerican Airlines
lø. 12/136:00 amSEA - CVG
1 stop8h 15mAmerican Airlines
Deal found 11/8$196

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 November 11, 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

fr. 12/12

6:23 pm-8:35 pm

Nonstop5h 12m

Seattle/Tacoma Intl

ti. 12/16

9:59 am-5:23 pm

Nonstop4h 24m

$187

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

fr. 1/30

6:45 am-8:52 am

Nonstop5h 07m

Seattle/Tacoma Intl

on. 2/4

11:45 am-7:04 pm

Nonstop4h 19m

$187

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

lø. 1/24

6:45 am-8:52 am

Nonstop5h 07m

Seattle/Tacoma Intl

fr. 2/6

11:45 am-7:04 pm

Nonstop4h 19m

$187

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

to. 1/29

8:00 am-10:10 am

Nonstop5h 10m

Seattle/Tacoma Intl

ti. 2/3

12:21 pm-7:49 pm

Nonstop4h 28m

$187

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

to. 1/29

8:00 am-10:10 am

Nonstop5h 10m

Seattle/Tacoma Intl

on. 2/4

12:21 pm-7:49 pm

Nonstop4h 28m

$187

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

ma. 12/8

6:30 am-8:30 am

Nonstop5h 00m

Seattle/Tacoma Intl

ma. 12/15

11:25 am-6:43 pm

Nonstop4h 18m

$197

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

fr. 1/30

8:00 am-10:10 am

Nonstop5h 10m

Seattle/Tacoma Intl

ma. 2/2

12:21 pm-7:49 pm

Nonstop4h 28m

$197

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

fr. 12/5

6:23 pm-8:35 pm

Nonstop5h 12m

Seattle/Tacoma Intl

fr. 12/12

9:59 am-5:23 pm

Nonstop4h 24m

$197

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

lø. 12/13

8:05 am-3:49 pm

1 stop10h 44m

Seattle/Tacoma Intl

on. 12/17

11:25 am-6:43 pm

Nonstop4h 18m

$198

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

to. 1/29

7:59 pm-12:09 am

1 stop7h 10m

Seattle/Tacoma Intl

on. 2/4

11:45 am-7:04 pm

Nonstop4h 19m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

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 $346). 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 November 11, 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.

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 07m. Fly via Alaska Airlines, Delta, 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 Alaska Airlines, with whom users have recently found tickets for as low as $108. However, be on the lookout for offers from Southwest and Delta, 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 $346). 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
Tukwila
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Cle Elum
Marysville
Puyallup
Federal Way
Fife
Issaquah
Aberdeen

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Alternative routes for Kentucky to Seattle

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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 November 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$206Average$431FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$237Average$511FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$270Average$503FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$294Average$462FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$353Average$505FlexibilityNo cancel feeOn-time63%

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