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Kentucky

$128+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SDF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$245
(Southwest)

One-way from

$128
(Southwest)

Popular in

December

Cheapest in

January

Average price

$582
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. 4% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 10/2111:55 pmSEA - SDF
1 stop11h 12mAmerican Airlines
Sat 11/15:56 amSDF - SEA
1 stop7h 49mAmerican Airlines
Deal found 6/11$233
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/31:10 pmSEA - SDF
1 stop6h 30mSouthwest
Tue 9/165:30 amSDF - SEA
1 stop8h 45mSouthwest
Deal found 6/11$245
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/95:30 pmSEA - BNA
2 stops12h 41mSpirit Airlines
Wed 7/167:16 pmBNA - SEA
2 stops23h 09mSpirit Airlines
Deal found 6/11$250
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:41 amSEA - BNA
1 stop12h 12mFrontier
Mon 8/256:15 amBNA - SEA
1 stop20h 19mFrontier
Deal found 6/10$252
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:58 pmSEA - SDF
1 stop18h 40mSpirit Airlines
Mon 9/225:55 pmSDF - SEA
1 stop24h 58mSpirit Airlines
Deal found 6/11$253
This Booking.com deal was found by Cheapflights users on 6/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/411:59 pmSEA - BNA
1 stop14h 38mMultiple Airlines
Tue 7/89:26 amBNA - SEA
1 stop7h 37mMultiple Airlines
Deal found 6/9$254
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 8/1912:45 amSEA - BNA
1 stop10h 47mAmerican Airlines
Mon 8/259:35 amBNA - SEA
1 stop9h 13mAmerican Airlines
Deal found 6/11$256
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/161:07 pmSEA - CVG
1 stop7h 05mAmerican Airlines
Mon 9/226:05 amCVG - SEA
1 stop11h 02mAmerican Airlines
Deal found 6/12$256
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:43 pmSEA - BNA
Nonstop4h 16mAlaska Airlines
Sat 8/236:47 pmBNA - SEA
Nonstop4h 58mAlaska Airlines
Deal found 6/10$257
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2110:03 amSEA - CVG
Nonstop4h 34mAlaska Airlines
Tue 8/266:37 pmCVG - SEA
Nonstop4h 53mAlaska Airlines
Deal found 6/10$257
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2111:05 pmSEA - SDF
1 stop7h 49mDelta
Sat 11/16:36 amSDF - SEA
1 stop9h 24mDelta
Deal found 6/12$258
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:07 amSEA - CVG
1 stop6h 22mUnited Airlines
Tue 8/269:00 amCVG - SEA
2 stops9h 52mUnited Airlines
Deal found 6/10$262

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 June 12, 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

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 10/21

11:55 pm-2:07 pm

1 stop11h 12m

Louisville Intl

Sat 11/1

5:56 am-10:45 am

1 stop7h 49m

$233

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 9/3

1:10 pm-10:40 pm

1 stop6h 30m

Louisville Intl

Tue 9/16

5:30 am-11:15 am

1 stop8h 45m

$245

SeattleNashville

SEA - BNA

SEABNA

Seattle/Tacoma Intl

Wed 7/9

5:30 pm-8:11 am

2 stops12h 41m

Nashville Intl

Wed 7/16

7:16 pm-4:25 pm

2 stops23h 09m

$250

SeattleNashville

SEA - BNA

SEABNA

Seattle/Tacoma Intl

Wed 8/20

6:41 am-8:53 pm

1 stop12h 12m

Nashville Intl

Mon 8/25

6:15 am-12:34 am

1 stop20h 19m

$252

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 9/17

4:58 pm-2:38 pm

1 stop18h 40m

Louisville Intl

Mon 9/22

5:55 pm-3:53 pm

1 stop24h 58m

$253

SeattleNashville

SEA - BNA

SEABNA

Seattle/Tacoma Intl

Fri 7/4

11:59 pm-4:37 pm

1 stop14h 38m

Nashville Intl

Tue 7/8

9:26 am-3:03 pm

1 stop7h 37m

$254

SeattleNashville

SEA - BNA

SEABNA

Seattle/Tacoma Intl

Tue 8/19

12:45 am-1:32 pm

1 stop10h 47m

Nashville Intl

Mon 8/25

3:44 pm-10:00 pm

1 stop8h 16m

$256

SeattleCincinnati

SEA - CVG

SEACVG

Seattle/Tacoma Intl

Tue 9/16

1:07 pm-11:12 pm

1 stop7h 05m

Cincinnati Cinci./N. Kentucky

Mon 9/22

6:05 am-2:07 pm

1 stop11h 02m

$256

SeattleNashville

SEA - BNA

SEABNA

Seattle/Tacoma Intl

Sat 8/16

5:43 pm-11:59 pm

Nonstop4h 16m

Nashville Intl

Sat 8/23

6:47 pm-9:45 pm

Nonstop4h 58m

$257

SeattleCincinnati

SEA - CVG

SEACVG

Seattle/Tacoma Intl

Thu 8/21

10:03 am-5:37 pm

Nonstop4h 34m

Cincinnati Cinci./N. Kentucky

Tue 8/26

6:37 pm-8:30 pm

Nonstop4h 53m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 12, 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.

Rainfall in Kentucky by month

Plan your trip to Kentucky by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kentucky ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Kentucky when rainfall is around 3.1 in.

Temperature in Kentucky by month

Plan your trip to Kentucky by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kentucky, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Seattle to Kentucky to help guide your decision. 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

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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.

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

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $128. Sun Country Air flights start at $138 while deals on United Airlines start at $139 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 6 airlines flying from Seattle to Kentucky

Discover the top 6 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$237Average$467FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$247Average$382FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$266Average$584FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$288Average$481FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$313Average$562FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$405Average$532FlexibilityNo cancel feeOn-time63%

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