What is the cheapest airline that flies from Seattle/Tacoma Intl to Kentucky?

Delta, Southwest, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Kentucky

What airlines fly to Kentucky?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Kentucky from Seattle according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Kentucky. Keep in mind that there are 5 different airlines that fly to Kentucky on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Kentucky?

Prices for flights from Seattle/Tacoma Intl Airport to Kentucky are updated daily.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Kentucky?

There are 5 operators available for flights from Seattle/Tacoma Intl Airport to Kentucky as of November 2026.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Kentucky?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Kentucky.

What documentation or ID do you need to fly to Kentucky?

The necessary travel and health documents for your Kentucky trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$189 Cheap Flights from Seattle to Kentucky in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Kentucky

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:45 pm - 11:02 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 17m1 stop Minneapolis St Paul

2:49 pm - 8:50 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

9h 01m1 stop Atlanta Hartsfield-Jackson

$311Delta

Wed, Dec 9 - Thu, Dec 17

7:00 am - 5:02 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 02m1 stop Chicago O'Hare Intl

2:25 pm - 9:01 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

9h 36m1 stop Washington, D.C. Dulles Intl

$351United Airlines

Fri, Nov 27 - Fri, Dec 4

7:00 am - 5:02 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 02m1 stop Chicago O'Hare Intl

9:00 am - 4:22 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 22m2 stops Chicago O'Hare Intl San Francisco

$356United Airlines

Fri, Nov 27 - Fri, Dec 4

10:00 am - 8:34 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 34m1 stop Dallas/Fort Worth

10:46 am - 3:41 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

7h 55m1 stop Dallas/Fort Worth

$363American Airlines

Wed, Feb 3 - Fri, Feb 5

10:11 pm - 11:05 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

9h 54m1 stop Charlotte Douglas

6:00 am - 11:23 amSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 23m1 stop Dallas/Fort Worth

$363American Airlines

Mon, Feb 22 - Wed, Feb 24

5:00 am - 5:40 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

9h 40m1 stop Las Vegas Harry Reid Intl

8:35 am - 1:00 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

7h 25m1 stop Chicago Midway

$363Southwest

Wed, Feb 3 - Sat, Feb 6

1:45 pm - 11:02 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 17m1 stop Minneapolis St Paul

7:05 am - 2:38 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 33m1 stop Atlanta Hartsfield-Jackson

$363Delta

Wed, Dec 9 - Thu, Dec 17

5:30 am - 3:15 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 45m1 stop Phoenix Sky Harbor Intl

7:10 am - 4:05 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

11h 55m2 stops Nashville Intl Denver Intl

$364Southwest

Sat, Dec 5 - Sat, Dec 12

8:20 am - 11:42 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

12h 22m2 stops Portland Dallas/Fort Worth

6:00 am - 10:41 amSDF Louisville Intl-SEA Seattle/Tacoma Intl

7h 41m1 stop Chicago O'Hare Intl

$660Alaska Airlines

Mon, Apr 5 - Fri, Apr 9

8:20 am - 9:32 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

10h 12m2 stops Portland Dallas/Fort Worth

6:00 am - 10:41 amSDF Louisville Intl-SEA Seattle/Tacoma Intl

7h 41m1 stop Chicago O'Hare Intl

$660Alaska Airlines

Mon, Apr 5 - Sat, Apr 10

Cheap last minute flights

Enter your travel dates to find the best prices.

9:45 pm - 10:03 amSEA Seattle/Tacoma Intl-LEX Lexington Blue Grass

9h 18m1 stop Charlotte Douglas

5:55 pm - 11:19 pmLEX Lexington Blue Grass-SEA Seattle/Tacoma Intl

8h 24m1 stop Charlotte Douglas

$459American Airlines

Mon, Nov 9 - Mon, Nov 23

6:00 am - 5:27 pmSEA Seattle/Tacoma Intl-LEX Lexington Blue Grass

8h 27m1 stop Charlotte Douglas

7:09 pm - 12:42 amLEX Lexington Blue Grass-SEA Seattle/Tacoma Intl

8h 33m1 stop Chicago O'Hare Intl

$459American Airlines

Sun, Nov 8 - Sun, Nov 22

10:35 pm - 9:38 amSEA Seattle/Tacoma Intl-LEX Lexington Blue Grass

8h 03m1 stop Atlanta Hartsfield-Jackson

5:49 pm - 9:58 pmLEX Lexington Blue Grass-SEA Seattle/Tacoma Intl

7h 09m1 stop Detroit Metropolitan Wayne County

$459Delta

Sun, Nov 8 - Sun, Nov 22

11:59 pm - 11:58 amSEA Seattle/Tacoma Intl-LEX Lexington Blue Grass

8h 59m1 stop Atlanta Hartsfield-Jackson

5:49 pm - 9:58 pmLEX Lexington Blue Grass-SEA Seattle/Tacoma Intl

7h 09m1 stop Detroit Metropolitan Wayne County

$539Delta

Sat, Nov 7 - Mon, Nov 9

5:00 am - 7:15 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

11h 15m2 stops Sacramento Intl Las Vegas Harry Reid Intl

12:45 pm - 8:30 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 45m2 stops Nashville Intl Las Vegas Harry Reid Intl

$549Southwest

Thu, Nov 5 - Sat, Dec 5

10:56 pm - 10:13 amSEA Seattle/Tacoma Intl-LEX Lexington Blue Grass

8h 17m1 stop Chicago O'Hare Intl

1:49 pm - 11:18 pmLEX Lexington Blue Grass-SEA Seattle/Tacoma Intl

12h 29m2 stops Chicago O'Hare Intl San Francisco

$584United Airlines

Mon, Nov 9 - Mon, Nov 23

7:00 am - 7:10 pmSEA Seattle/Tacoma Intl-LEX Lexington Blue Grass

9h 10m1 stop Chicago O'Hare Intl

5:25 am - 4:12 pmLEX Lexington Blue Grass-SEA Seattle/Tacoma Intl

13h 47m2 stops Chicago O'Hare Intl Los Angeles

$584United Airlines

Sun, Nov 8 - Sun, Nov 22

5:30 am - 3:15 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 45m1 stop Phoenix Sky Harbor Intl

7:55 pm - 12:45 amSDF Louisville Intl-SEA Seattle/Tacoma Intl

7h 50m1 stop Chicago Midway

$634Southwest

Sat, Nov 7 - Mon, Nov 9

10:59 am - 11:34 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

9h 35m1 stop Dallas/Fort Worth

10:53 am - 8:32 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

12h 39m2 stops Dallas/Fort Worth Portland

$764Alaska Airlines

Thu, Nov 5 - Tue, Nov 10

10:59 pm - 5:13 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

15h 14m2 stops Portland Chicago O'Hare Intl

10:08 am - 6:45 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

11h 37m2 stops Chicago O'Hare Intl Portland

$769Alaska Airlines

Thu, Nov 5 - Tue, Nov 10

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Southwest flights from Seattle to Kentucky

Our best Southwest deals on Seattle to Kentucky flight tickets

Southwest

Feb 3

SEA5:00 amSeattle/Tacoma Intl

9h 40m

1 stop

SDF5:40 pmLouisville Intl

Feb 6

SDF8:35 amLouisville Intl

7h 25m

1 stop

SEA1:00 pmSeattle/Tacoma Intl

$363

Southwest

Feb 3

SEA5:25 amSeattle/Tacoma Intl

9h 15m

2 stops

SDF5:40 pmLouisville Intl

Feb 5

SDF2:15 pmLouisville Intl

11h 45m

2 stops

SEA11:00 pmSeattle/Tacoma Intl

$373

Southwest

Dec 4

SEA1:35 pmSeattle/Tacoma Intl

6h 20m

1 stop

SDF10:55 pmLouisville Intl

Dec 7

SDF3:50 pmLouisville Intl

10h 00m

2 stops

SEA10:50 pmSeattle/Tacoma Intl

$379

United Airlines flights from Seattle to Kentucky

Our best United Airlines deals on Seattle to Kentucky flight tickets

United Airlines

Nov 27

SEA7:00 amSeattle/Tacoma Intl

7h 02m

1 stop

SDF5:02 pmLouisville Intl

Dec 4

SDF2:25 pmLouisville Intl

9h 36m

1 stop

SEA9:01 pmSeattle/Tacoma Intl

$351

United Airlines

Nov 27

SEA7:00 amSeattle/Tacoma Intl

7h 02m

1 stop

SDF5:02 pmLouisville Intl

Dec 4

SDF9:00 amLouisville Intl

10h 22m

2 stops

SEA4:22 pmSeattle/Tacoma Intl

$356

United Airlines

Feb 3

SEA5:00 amSeattle/Tacoma Intl

10h 29m

2 stops

SDF6:29 pmLouisville Intl

Feb 5

SDF7:00 amLouisville Intl

7h 47m

1 stop

SEA11:47 amSeattle/Tacoma Intl

$368

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Wed 12/9

1:45 pm-11:02 pm

1 stop6h 17m

Louisville Intl

Thu 12/17

2:49 pm-8:50 pm

1 stop9h 01m

$311

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Fri 11/27

7:00 am-5:02 pm

1 stop7h 02m

Louisville Intl

Fri 12/4

2:25 pm-9:01 pm

1 stop9h 36m

$351

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Fri 11/27

7:00 am-5:02 pm

1 stop7h 02m

Louisville Intl

Fri 12/4

9:00 am-4:22 pm

2 stops10h 22m

$356

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Wed 2/3

10:00 am-8:34 pm

1 stop7h 34m

Louisville Intl

Fri 2/5

10:46 am-3:41 pm

1 stop7h 55m

$363

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Mon 2/22

10:11 pm-11:05 am

1 stop9h 54m

Louisville Intl

Wed 2/24

6:00 am-11:23 am

1 stop8h 23m

$363

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Wed 2/3

5:00 am-5:40 pm

1 stop9h 40m

Louisville Intl

Sat 2/6

8:35 am-1:00 pm

1 stop7h 25m

$363

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Wed 12/9

1:45 pm-11:02 pm

1 stop6h 17m

Louisville Intl

Thu 12/17

7:05 am-2:38 pm

1 stop10h 33m

$363

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Sat 12/5

5:30 am-3:15 pm

1 stop6h 45m

Louisville Intl

Sat 12/12

7:10 am-4:05 pm

2 stops11h 55m

$364

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Mon 4/5

8:20 am-11:42 pm

2 stops12h 22m

Louisville Intl

Fri 4/9

6:00 am-10:41 am

1 stop7h 41m

$660

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Mon 4/5

8:20 am-9:32 pm

2 stops10h 12m

Louisville Intl

Sat 4/10

6:00 am-10:41 am

1 stop7h 41m

$660

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Kentucky

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Kentucky?

If you’re not able to fly to Kentucky in February, then September is your next best option. Flight prices from Seattle to Kentucky during September average around $449.

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

You are more likely to see cheaper flights to Kentucky from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Kentucky for around $509 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kentucky from Seattle for as low as $290 on momondo.

Cheap Seattle to Kentucky flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Kentucky

Best Price Found	$189
Fastest flight time	4h 14m
Direct flights	None

The best one-way flight to Kentucky from Seattle in the past 72 hours is $189. The best round-trip flight deal from Seattle to Kentucky found on momondo in the last 72 hours is $311.

The fastest flight from Seattle to Kentucky takes 4h 14m

There are no direct flights from Seattle to Kentucky. There are no popular flight routes from Seattle to Kentucky.

Search flight deals

Frequently asked questions about flying from Seattle to Kentucky

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Kentucky?
Prices for flights from Seattle/Tacoma Intl Airport to Kentucky are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Kentucky?
There are 5 operators available for flights from Seattle/Tacoma Intl Airport to Kentucky as of November 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Kentucky?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Kentucky.
What documentation or ID do you need to fly to Kentucky?
The necessary travel and health documents for your Kentucky trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Kentucky

Compare and see reviews for airlines that fly from Seattle to Kentucky with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $288	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
American Airlines	PriceFrom $302	Free Cancellation	Rating 7.0 12,228 reviews	Search American Airlines flights
United Airlines	PriceFrom $328	Free Cancellation	Rating 7.3 10,460 reviews	Search United Airlines flights
Southwest	PriceFrom $339	Free Cancellation	Rating 8.0 4,215 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $526	Free Cancellation	Rating 7.9 13,137 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Kentucky?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Kentucky. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Kentucky with flexible booking policies on momondo?

Yes. All flights to Kentucky from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Kentucky?

Once all potential Seattle to Kentucky flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Kentucky right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Kentucky now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Kentucky and let you know when they change.