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Kentucky

$77+ Cheap flights from Seattle (SEA) to Kentucky

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SDF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Seattle to Kentucky

Keep the following information in mind while searching for Seattle to Kentucky flight deals. Data was last updated September 11, 2025.

Round-trip from

$164
(Frontier)

One-way from

$77
(Southwest)

Popular in

December

Cheapest in

January

Average price

$439
From Seattle/Tacoma Intl to Kentucky
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One-way flight from Seattle/Tacoma Intl to Kentucky
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Highest demand for flights based on searches. 5% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Kentucky

Cheapest flights from Seattle to Kentucky
Explore the most affordable flight options available from Seattle to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/9. 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.
Thu 10/231:02 pmSEA - CVG
1 stop9h 37mFrontier
Mon 10/276:05 amCVG - SEA
1 stop9h 02mFrontier
Deal found 9/9$164
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:43 pmSEA - CVG
1 stop25h 56mFrontier
Sat 11/18:00 amCVG - SEA
1 stop7h 13mFrontier
Deal found 9/10$174
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:43 pmSEA - CVG
1 stop25h 56mFrontier
Wed 10/158:00 amCVG - SEA
1 stop7h 07mFrontier
Deal found 9/10$176
This Booking.com deal was found by Cheapflights users on 9/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:12 amSEA - CVG
1 stop16h 31mFrontier
Sun 10/58:00 amCVG - SEA
1 stop28h 20mFrontier
Deal found 9/11$186
This Priceline deal was found by Cheapflights users on 9/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1710:16 amSEA - CVG
1 stop10h 43mFrontier
Tue 10/218:00 amCVG - SEA
1 stop7h 07mFrontier
Deal found 9/8$192
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 11/812:58 pmSEA - CVG
1 stop8h 01mFrontier
Mon 11/106:05 amCVG - SEA
1 stop9h 08mFrontier
Deal found 9/9$194
This Priceline deal was found by Cheapflights users on 9/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/22:22 pmSEA - CVG
1 stop8h 17mFrontier
Fri 11/76:05 amCVG - SEA
1 stop9h 08mFrontier
Deal found 9/11$195
This Frontier deal was found by Cheapflights users on 9/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/102:31 pmSEA - CVG
1 stop8h 18mFrontier
Mon 10/136:05 amCVG - SEA
2 stops14h 39mFrontier
Deal found 9/11$196
This Frontier deal was found by Cheapflights users on 9/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/164:26 pmSEA - CVG
1 stop11h 28mFrontier
Mon 10/206:05 amCVG - SEA
1 stop9h 02mFrontier
Deal found 9/8$203
This Frontier deal was found by Cheapflights users on 9/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:12 amSEA - CVG
1 stop13h 01mFrontier
Fri 10/33:21 pmCVG - SEA
1 stop12h 09mFrontier
Deal found 9/8$205
This Delta deal was found by Cheapflights users on 9/9. 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.
Tue 12/96:00 amSEA - SDF
1 stop8h 20mDelta
Sat 12/136:35 amSDF - SEA
1 stop9h 23mDelta
Deal found 9/9$238
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 10/1312:34 amSEA - BNA
1 stop10h 03mAmerican Airlines
Thu 10/164:07 pmBNA - SEA
1 stop8h 52mAmerican Airlines
Deal found 9/11$243

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Kentucky 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 September 11, 2025.
Use the filters below to find and compare flights from Seattle to Kentucky that are best for you.

Fly from

Seattle

Fly to

Kentucky

Route

Depart

Return

Price

SeattleCincinnati

SEA - CVG

SEACVG

Seattle/Tacoma Intl

Tue 10/7

11:25 am-6:45 pm

Nonstop4h 20m

Cincinnati Cinci./N. Kentucky

Tue 10/14

6:52 am-8:55 am

Nonstop5h 03m

$237

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 12/10

6:00 am-5:17 pm

1 stop8h 17m

Louisville Intl

Sat 12/13

6:35 am-12:58 pm

1 stop9h 23m

$238

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 12/9

6:00 am-5:20 pm

1 stop8h 20m

Louisville Intl

Sat 12/13

6:35 am-12:58 pm

1 stop9h 23m

$238

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Wed 11/5

1:40 pm-11:22 pm

1 stop6h 42m

Knoxville McGhee Tyson

Tue 11/11

5:25 am-10:15 am

1 stop7h 50m

$243

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Tue 10/28

1:40 pm-11:07 pm

1 stop6h 27m

Knoxville McGhee Tyson

Sat 11/1

9:30 am-2:01 pm

1 stop7h 31m

$243

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 12/10

2:03 pm-12:05 am

1 stop7h 02m

Louisville Intl

Tue 12/16

6:16 pm-11:58 pm

1 stop8h 42m

$243

SeattleCincinnati

SEA - CVG

SEACVG

Seattle/Tacoma Intl

Wed 11/12

10:05 am-5:30 pm

Nonstop4h 25m

Cincinnati Cinci./N. Kentucky

Thu 11/20

6:30 pm-8:32 pm

Nonstop5h 02m

$247

SeattleNashville

SEA - BNA

SEABNA

Seattle/Tacoma Intl

Sat 10/11

11:10 pm-9:33 am

1 stop8h 23m

Nashville Intl

Wed 10/15

12:30 pm-6:45 pm

1 stop8h 15m

$249

SeattleNashville

SEA - BNA

SEABNA

Seattle/Tacoma Intl

Tue 10/7

5:43 pm-12:11 am

Nonstop4h 28m

Nashville Intl

Tue 10/14

7:00 am-10:03 am

Nonstop5h 03m

$257

SeattleCincinnati

SEA - CVG

SEACVG

Seattle/Tacoma Intl

Mon 11/10

10:05 am-5:30 pm

Nonstop4h 25m

Cincinnati Cinci./N. Kentucky

Thu 11/20

6:30 pm-8:32 pm

Nonstop5h 02m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 results
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Best time to book a flight from Seattle to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Seattle 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 Seattle to Kentucky

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Kentucky (average of $299). Flying from Seattle to Kentucky in April is currently the most expensive (average of $369). 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 SEA to KY?

Find hourly flight availability from Seattle to Kentucky. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Kentucky as you normally would.

Reviews of airlines servicing Kentucky

Get insights into the airlines that provide service to Kentucky. 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 Kentucky. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Seattle to Kentucky, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,248 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,960 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,937 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Kentucky. 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 from for flights from Seattle to Kentucky?

    If you book a flight to Kentucky from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • How long is the flight from Seattle to Kentucky?

    Departing from Seattle to Kentucky will take you 4h 20m. There are 1959 mi between Seattle and Kentucky. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $96. Southwest flights start at $97 while deals on American Airlines start at $122 one-way.

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

    When deciding which route to take from Seattle to Kentucky consider Seattle/Tacoma Intl - Nashville Intl, Seattle/Tacoma Intl - Cincinnati Cinci./N. Kentucky or Seattle/Tacoma Intl - Louisville Intl as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Kentucky 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 Seattle to Kentucky?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Kentucky (average of $299). Flying from Seattle to Kentucky in April is currently the most expensive (average of $369). 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

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Alternative routes for Seattle to Kentucky

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

Discover the top 5 airlines that operate flights from Seattle to Kentucky. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$237Average$467FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$257Average$552FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$288Average$489FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$300Average$521FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$313Average$487FlexibilityNo cancel feeOn-time69%

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