What is the cheapest airline that flies from Kentucky to Washington?

Southwest, Delta, and United Airlines are the most popular carriers operating from Kentucky to Washington

How long is the flight from Kentucky to State of Washington?

If you’re flying from a popular airport in Kentucky, such as Louisville or Lexington, and flying into State of Washington, then you can expect flight times to average 6h 55m and 7h 12m, respectively.

How many flights depart from Kentucky to State of Washington on average per week?

As of October 2026, there are 1 flights per week flying from Kentucky to State of Washington. The most common day of the week flights depart is Sun, with 100% of flights taking off on this day.

What airlines fly to State of Washington?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to State of Washington from Kentucky according to our data. American Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 5 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Kentucky to Washington?

Prices for flights from Kentucky to Washington are refreshed on a daily basis.

How many operators does momondo search for flights from Kentucky to Washington?

The number of operators available for flights from Kentucky to Washington is 5 as of October 2026.

How old do you have to be to fly from Kentucky to Washington?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kentucky to Washington.

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

The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$150 Cheap Flights from Kentucky to Washington in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kentucky to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:04 am - 12:18 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 14m1 stop Charlotte Douglas

11:34 pm - 9:38 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 04m1 stop Chicago O'Hare Intl

$299American Airlines

Sat, Oct 31 - Tue, Nov 3

6:55 pm - 11:57 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 02m1 stop Minneapolis St Paul

11:47 pm - 12:00 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

9h 13m1 stop Minneapolis St Paul

$299Delta

Mon, Nov 16 - Wed, Nov 25

6:55 pm - 11:57 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 02m1 stop Minneapolis St Paul

1:50 pm - 10:46 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

5h 56m1 stop Minneapolis St Paul

$299Delta

Wed, Nov 18 - Tue, Nov 24

7:35 pm - 11:30 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

6h 55m1 stop Chicago Midway

12:15 am - 10:30 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 15m1 stop Chicago Midway

$300Southwest

Tue, Nov 3 - Mon, Nov 9

2:05 pm - 10:45 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

11h 40m2 stops Chicago Midway Denver Intl

11:20 am - 8:35 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 15m1 stop Chicago Midway

$306Southwest

Tue, Nov 3 - Tue, Nov 10

7:00 am - 12:19 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 19m1 stop Chicago O'Hare Intl

8:09 am - 7:30 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

8h 21m1 stop Washington, D.C. Dulles Intl

$341United Airlines

Wed, Nov 18 - Mon, Nov 23

8:00 am - 2:39 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

9h 39m2 stops Denver Intl San Francisco

10:50 am - 8:52 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 02m1 stop Chicago O'Hare Intl

$346United Airlines

Wed, Nov 18 - Mon, Nov 23

6:00 pm - 11:10 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 10m1 stop Charlotte Douglas

11:59 pm - 9:32 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 33m1 stop Chicago O'Hare Intl

$363American Airlines

Mon, Oct 26 - Thu, Oct 29

10:13 am - 8:32 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

13h 19m2 stops Chicago O'Hare Intl Portland

11:42 pm - 9:38 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 56m1 stop Chicago O'Hare Intl

$607Alaska Airlines

Fri, Nov 13 - Fri, Nov 13

1:32 pm - 6:48 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 16m1 stop Chicago O'Hare Intl

9:59 pm - 5:13 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

16h 14m2 stops Portland Chicago O'Hare Intl

$612Alaska Airlines

Sat, Nov 14 - Sat, Nov 14

Cheap last minute flights

Enter your travel dates to find the best prices.

7:01 pm - 12:10 amLEX Lexington Blue Grass-SEA Seattle/Tacoma Intl

8h 09m1 stop Dallas/Fort Worth

1:25 pm - 11:57 pmSEA Seattle/Tacoma Intl-LEX Lexington Blue Grass

7h 32m1 stop Charlotte Douglas

$494American Airlines

Fri, Oct 9 - Fri, Oct 16

5:38 pm - 11:59 pmSDF Louisville Intl-PSC Pasco Tri Cities

9h 21m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl

5:19 pm - 8:57 amPSC Pasco Tri Cities-SDF Louisville Intl

12h 38m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$504Delta

Fri, Oct 9 - Mon, Oct 19

5:38 pm - 11:59 pmSDF Louisville Intl-PSC Pasco Tri Cities

9h 21m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl

5:45 pm - 8:57 amPSC Pasco Tri Cities-SDF Louisville Intl

12h 12m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson

$504Delta

Fri, Oct 9 - Sat, Oct 17

5:00 am - 12:18 pmLEX Lexington Blue Grass-SEA Seattle/Tacoma Intl

10h 18m1 stop Charlotte Douglas

5:00 am - 5:48 pmSEA Seattle/Tacoma Intl-LEX Lexington Blue Grass

9h 48m1 stop Dallas/Fort Worth

$542American Airlines

Wed, Oct 7 - Sat, Oct 10

9:00 am - 12:36 pmLEX Lexington Blue Grass-GEG Spokane

6h 36m1 stop Denver Intl

5:00 am - 8:28 pmGEG Spokane-LEX Lexington Blue Grass

12h 28m2 stops Denver Intl Chicago O'Hare Intl

$579United Airlines

Thu, Oct 8 - Tue, Oct 13

9:00 am - 12:36 pmLEX Lexington Blue Grass-GEG Spokane

6h 36m1 stop Denver Intl

5:00 am - 8:28 pmGEG Spokane-LEX Lexington Blue Grass

12h 28m2 stops Denver Intl Chicago O'Hare Intl

$579United Airlines

Thu, Oct 8 - Tue, Oct 13

5:05 pm - 9:40 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

7h 35m1 stop Chicago Midway

12:10 am - 10:05 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 55m1 stop Chicago Midway

$619Southwest

Sat, Oct 10 - Mon, Oct 12

7:50 pm - 12:40 amSDF Louisville Intl-SEA Seattle/Tacoma Intl

7h 50m1 stop Chicago Midway

9:15 pm - 10:10 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

9h 55m2 stops Sacramento Intl Chicago Midway

$624Southwest

Mon, Oct 12 - Thu, Oct 15

10:16 am - 8:33 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

13h 17m2 stops Chicago O'Hare Intl Portland

9:08 pm - 5:37 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

17h 29m2 stops San Diego Chicago O'Hare Intl

$787Alaska Airlines

Wed, Oct 7 - Mon, Oct 12

5:29 am - 3:17 pmLEX Lexington Blue Grass-SEA Seattle/Tacoma Intl

12h 48m2 stops Chicago O'Hare Intl San Diego

7:04 am - 12:09 amSEA Seattle/Tacoma Intl-LEX Lexington Blue Grass

14h 05m2 stops San Diego Chicago O'Hare Intl

$918Alaska Airlines

Thu, Oct 8 - Tue, Oct 13

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American Airlines flights from Kentucky to State of Washington

Our best American Airlines deals on Kentucky to State of Washington flight tickets

American Airlines

Nov 2

SDF4:10 pmLouisville Intl

7h 30m

1 stop

GEG8:40 pmSpokane

Nov 5

GEG12:51 pmSpokane

7h 43m

1 stop

SDF11:34 pmLouisville Intl

$363

American Airlines

Nov 23

SDF10:01 amLouisville Intl

8h 58m

1 stop

SEA3:59 pmSeattle/Tacoma Intl

Nov 27

SEA5:40 amSeattle/Tacoma Intl

8h 46m

1 stop

SDF5:26 pmLouisville Intl

$375

American Airlines

Nov 21

SDF10:12 amLouisville Intl

8h 49m

1 stop

SEA4:01 pmSeattle/Tacoma Intl

Nov 21

SEA11:36 pmSeattle/Tacoma Intl

6h 52m

1 stop

SDF9:28 amLouisville Intl

$394

United Airlines flights from Kentucky to State of Washington

Our best United Airlines deals on Kentucky to State of Washington flight tickets

United Airlines

Apr 3

LEX5:50 pmLexington Blue Grass

7h 39m

1 stop

SEA10:29 pmSeattle/Tacoma Intl

Apr 10

SEA10:45 amSeattle/Tacoma Intl

10h 07m

2 stops

LEX11:52 pmLexington Blue Grass

$384

United Airlines

Oct 20

SDF3:36 pmLouisville Intl

8h 04m

1 stop

PSC8:40 pmPasco Tri Cities

Oct 27

PSC5:10 amPasco Tri Cities

6h 12m

1 stop

SDF2:22 pmLouisville Intl

$414

United Airlines

Oct 22

LEX8:50 amLexington Blue Grass

10h 13m

2 stops

SEA4:03 pmSeattle/Tacoma Intl

Oct 25

SEA10:56 pmSeattle/Tacoma Intl

8h 17m

1 stop

LEX10:13 amLexington Blue Grass

$419

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Sat 10/31

5:04 am-12:18 pm

1 stop10h 14m

Seattle/Tacoma Intl

Tue 11/3

11:34 pm-9:38 am

1 stop7h 04m

$299

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Mon 11/16

6:55 pm-11:57 pm

1 stop8h 02m

Seattle/Tacoma Intl

Wed 11/25

11:47 pm-12:00 pm

1 stop9h 13m

$299

Quickest round-trip

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Wed 11/18

6:55 pm-11:57 pm

1 stop8h 02m

Seattle/Tacoma Intl

Tue 11/24

1:50 pm-10:46 pm

1 stop5h 56m

$299

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Tue 11/3

7:35 pm-11:30 pm

1 stop6h 55m

Seattle/Tacoma Intl

Mon 11/9

12:15 am-10:30 am

1 stop7h 15m

$300

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Tue 11/3

2:05 pm-10:45 pm

2 stops11h 40m

Seattle/Tacoma Intl

Tue 11/10

11:20 am-8:35 pm

1 stop6h 15m

$306

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Wed 11/18

7:00 am-12:19 pm

1 stop8h 19m

Seattle/Tacoma Intl

Mon 11/23

8:09 am-7:30 pm

1 stop8h 21m

$341

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Wed 11/18

8:00 am-2:39 pm

2 stops9h 39m

Seattle/Tacoma Intl

Mon 11/23

10:50 am-8:52 pm

1 stop7h 02m

$346

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Mon 10/26

6:00 pm-11:10 pm

1 stop8h 10m

Seattle/Tacoma Intl

Thu 10/29

11:59 pm-9:32 am

1 stop6h 33m

$363

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Fri 11/13

10:13 am-8:32 pm

2 stops13h 19m

Seattle/Tacoma Intl

Fri 11/13

11:42 pm-9:38 am

1 stop6h 56m

$607

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Sat 11/14

1:32 pm-6:48 pm

1 stop8h 16m

Seattle/Tacoma Intl

Sat 11/14

9:59 pm-5:13 pm

2 stops16h 14m

$612

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 Kentucky to State of Washington

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

Other information

What is the cheapest month to fly to State of Washington?

The month of February is, on average, the cheapest month to fly to State of Washington from Kentucky, with most prices found around $378. If you aren’t able to travel to State of Washington during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $407.

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

You are more likely to see cheaper flights to State of Washington from Kentucky when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $456 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Kentucky for as low as $396 on momondo.

Can stopping save me money on Kentucky to State of Washington flights?

You could potentially save up to 37% on your flight if you consider stops on a Kentucky to State of Washington flight.

Cheap Kentucky to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kentucky to State of Washington

Best Price Found	$150
Fastest flight time	4h 49m
Direct flights	None

The best one-way flight to State of Washington from Kentucky in the past 72 hours is $150. The best round-trip flight deal from Kentucky to State of Washington found on momondo in the last 72 hours is $299.

The fastest flight from Kentucky to State of Washington takes 4h 49m

There are no direct flights from Kentucky to State of Washington. There are no popular flight routes from Kentucky to State of Washington.

Search flight deals

Frequently asked questions about flying from Kentucky to Washington

When did momondo last update prices for flights from Kentucky to Washington?
Prices for flights from Kentucky to Washington are refreshed on a daily basis.
How many operators does momondo search for flights from Kentucky to Washington?
The number of operators available for flights from Kentucky to Washington is 5 as of October 2026.
How old do you have to be to fly from Kentucky to Washington?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kentucky to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Kentucky to State of Washington

Compare and see reviews for airlines that fly from Kentucky to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $187	Free Cancellation	Rating 7.8 8,634 reviews	Search Delta flights
Alaska Airlines	PriceFrom $277	Free Cancellation	Rating 7.9 13,021 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 10,287 reviews	Search United Airlines flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.0 12,129 reviews	Search American Airlines flights
Southwest	PriceFrom $372	Free Cancellation	Rating 7.9 4,214 reviews	Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington from Kentucky.

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

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

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

Once you have performed a search for Kentucky to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Washington from Kentucky are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.