What airlines fly to State of Washington?

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to State of Washington from Louisville according to our data. Alaska Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 6 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Louisville Intl to Washington?

Delta, Southwest, and American Airlines are the most popular carriers operating from Louisville Intl to Washington

When did momondo last update prices for flights from Louisville Intl Airport to Washington?

Prices for flights from Louisville Intl Airport to Washington refresh daily.

How many operators does momondo search for flights from Louisville Intl Airport to Washington?

There are 5 operators available for flights from Louisville Intl Airport to Washington as of October 2026.

How old do you have to be to fly from Louisville Intl Airport to Washington?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Washington.

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

The necessary travel and health documents for your Washington 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.

$156 Cheap Flights from Louisville to Washington in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:25 pm - 12:59 amSDF Louisville Intl-SEA Seattle/Tacoma Intl

9h 34m1 stop Dallas/Fort Worth

10:47 am - 9:15 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 28m1 stop Chicago O'Hare Intl

$311American Airlines

Thu, Dec 24 - Tue, Jan 5

1:21 pm - 8:31 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 10m1 stop Chicago O'Hare Intl

11:39 pm - 9:22 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 43m1 stop Chicago O'Hare Intl

$311American Airlines

Tue, Dec 8 - Thu, Dec 10

6:42 am - 12:29 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 47m1 stop Minneapolis St Paul

11:15 pm - 10:19 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

8h 04m1 stop Detroit Metropolitan Wayne County

$311Delta

Wed, Nov 25 - Mon, Nov 30

7:50 am - 2:50 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 00m1 stop Detroit Metropolitan Wayne County

11:15 pm - 10:09 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 54m1 stop Detroit Metropolitan Wayne County

$311Delta

Thu, Nov 19 - Thu, Nov 26

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

7h 50m1 stop Chicago Midway

6:30 am - 3:35 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 05m1 stop Chicago Midway

$330Southwest

Thu, Nov 12 - Thu, Nov 19

8:55 am - 1:00 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

7h 05m1 stop Chicago Midway

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

6h 15m1 stop Chicago Midway

$356Southwest

Thu, Nov 26 - Fri, Dec 25

7:00 am - 12:28 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 28m1 stop Chicago O'Hare Intl

5:00 am - 4:35 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

8h 35m2 stops Denver Intl Chicago O'Hare Intl

$376United Airlines

Thu, Dec 24 - Tue, Jan 5

3:24 pm - 9:19 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 55m1 stop Denver Intl

7:00 am - 6:32 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

8h 32m1 stop Chicago O'Hare Intl

$397United Airlines

Wed, Nov 18 - Sun, Nov 22

8:00 am - 8:24 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

15h 24m2 stops Dallas/Fort Worth San Diego

11:39 pm - 11:04 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

8h 25m1 stop Chicago O'Hare Intl

$607Alaska Airlines

Thu, Dec 24 - Thu, Dec 24

10:17 am - 6:20 amSDF Louisville Intl-SEA Seattle/Tacoma Intl

23h 03m2 stops Chicago O'Hare Intl Portland

10:19 am - 8:34 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 15m1 stop Dallas/Fort Worth

$612Alaska Airlines

Sun, Feb 7 - Mon, Feb 8

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 10:59 amSDF Louisville Intl-SEA Seattle/Tacoma Intl

6h 59m1 stop Minneapolis St Paul

10:35 pm - 8:57 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 22m1 stop Atlanta Hartsfield-Jackson

$677Delta

Thu, Oct 22 - Mon, Oct 26

12:40 pm - 4:58 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

7h 18m1 stop Minneapolis St Paul

11:10 pm - 9:59 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 49m1 stop Detroit Metropolitan Wayne County

$677Delta

Sat, Oct 24 - Mon, Oct 26

1:50 pm - 6:52 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 02m1 stop Chicago O'Hare Intl

8:30 am - 8:52 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

9h 22m2 stops Denver Intl Chicago O'Hare Intl

$682United Airlines

Sat, Oct 24 - Sat, Oct 31

12:50 pm - 8:35 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 45m2 stops Dallas Love Field Denver Intl

9:00 am - 6:30 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 30m1 stop Denver Intl

$682Southwest

Thu, Oct 22 - Tue, Oct 27

6:35 am - 2:35 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

11h 00m2 stops Phoenix Sky Harbor Intl Oakland

9:00 am - 8:15 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

8h 15m2 stops Denver Intl Chicago Midway

$687Southwest

Thu, Oct 22 - Tue, Oct 27

5:15 am - 9:36 amSDF Louisville Intl-SEA Seattle/Tacoma Intl

7h 21m1 stop Chicago O'Hare Intl

7:00 am - 6:32 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

8h 32m1 stop Chicago O'Hare Intl

$706United Airlines

Fri, Oct 23 - Mon, Oct 26

5:50 pm - 11:10 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 20m1 stop Charlotte Douglas

10:26 am - 8:28 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 02m1 stop Dallas/Fort Worth

$766American Airlines

Fri, Oct 23 - Tue, Oct 27

5:50 pm - 11:10 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 20m1 stop Charlotte Douglas

12:25 am - 10:24 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 59m1 stop Dallas/Fort Worth

$766American Airlines

Fri, Oct 23 - Sat, Oct 24

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

13h 17m2 stops Chicago O'Hare Intl Portland

10:33 am - 9:35 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

8h 02m1 stop Chicago O'Hare Intl

$771Alaska Airlines

Thu, Oct 22 - Tue, Oct 27

10:54 am - 8:33 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

12h 39m2 stops Dallas/Fort Worth Portland

10:33 am - 9:35 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

8h 02m1 stop Chicago O'Hare Intl

$771Alaska Airlines

Sat, Oct 24 - Sun, Oct 25

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American Airlines flights from Louisville to State of Washington

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

American Airlines

Dec 24

SDF6:25 pmLouisville Intl

9h 34m

1 stop

SEA12:59 amSeattle/Tacoma Intl

Jan 5

SEA10:47 amSeattle/Tacoma Intl

7h 28m

1 stop

SDF9:15 pmLouisville Intl

$311

American Airlines

Dec 23

SDF6:25 pmLouisville Intl

9h 34m

1 stop

SEA12:59 amSeattle/Tacoma Intl

Dec 28

SEA11:59 pmSeattle/Tacoma Intl

8h 05m

1 stop

SDF11:04 amLouisville Intl

$477

American Airlines

Dec 18

SDF6:25 pmLouisville Intl

7h 07m

1 stop

GEG10:32 pmSpokane

Dec 24

GEG6:20 amSpokane

11h 48m

2 stops

SDF9:08 pmLouisville Intl

$479

Southwest flights from Louisville to State of Washington

Our best Southwest deals on Louisville to State of Washington flight tickets

Southwest

Nov 12

SDF7:55 pmLouisville Intl

7h 50m

1 stop

SEA12:45 amSeattle/Tacoma Intl

Nov 19

SEA6:30 amSeattle/Tacoma Intl

6h 05m

1 stop

SDF3:35 pmLouisville Intl

$330

Southwest

Nov 26

SDF8:55 amLouisville Intl

7h 05m

1 stop

SEA1:00 pmSeattle/Tacoma Intl

Dec 25

SEA11:20 amSeattle/Tacoma Intl

6h 15m

1 stop

SDF8:35 pmLouisville Intl

$356

Southwest

Nov 26

SDF8:55 amLouisville Intl

7h 05m

1 stop

SEA1:00 pmSeattle/Tacoma Intl

Dec 25

SEA9:25 amSeattle/Tacoma Intl

8h 10m

2 stops

SDF8:35 pmLouisville Intl

$361

momondo Fare Finder

Use the filters below to find and compare flights from Louisville to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Thu 12/24

6:25 pm-12:59 am

1 stop9h 34m

Seattle/Tacoma Intl

Tue 1/5

10:47 am-9:15 pm

1 stop7h 28m

$311

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Tue 12/8

1:21 pm-8:31 pm

1 stop10h 10m

Seattle/Tacoma Intl

Thu 12/10

11:39 pm-9:22 am

1 stop6h 43m

$311

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Wed 11/25

6:42 am-12:29 pm

1 stop8h 47m

Seattle/Tacoma Intl

Mon 11/30

11:15 pm-10:19 am

1 stop8h 04m

$311

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Thu 11/19

7:50 am-2:50 pm

1 stop10h 00m

Seattle/Tacoma Intl

Thu 11/26

11:15 pm-10:09 am

1 stop7h 54m

$311

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Thu 11/12

7:55 pm-12:45 am

1 stop7h 50m

Seattle/Tacoma Intl

Thu 11/19

6:30 am-3:35 pm

1 stop6h 05m

$330

Quickest round-trip

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Thu 11/26

8:55 am-1:00 pm

1 stop7h 05m

Seattle/Tacoma Intl

Fri 12/25

11:20 am-8:35 pm

1 stop6h 15m

$356

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Thu 12/24

7:00 am-12:28 pm

1 stop8h 28m

Seattle/Tacoma Intl

Tue 1/5

5:00 am-4:35 pm

2 stops8h 35m

$376

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Wed 11/18

3:24 pm-9:19 pm

1 stop8h 55m

Seattle/Tacoma Intl

Sun 11/22

7:00 am-6:32 pm

1 stop8h 32m

$397

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Thu 12/24

8:00 am-8:24 pm

2 stops15h 24m

Seattle/Tacoma Intl

Thu 12/24

11:39 pm-11:04 am

1 stop8h 25m

$607

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Sun 2/7

10:17 am-6:20 am

2 stops23h 03m

Seattle/Tacoma Intl

Mon 2/8

10:19 am-8:34 pm

1 stop7h 15m

$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 Louisville 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

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

The month of January is, on average, the cheapest month to fly to State of Washington from Louisville, with most prices found around $299. If you aren’t able to travel to State of Washington during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $370.

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

You are more likely to see cheaper flights to State of Washington from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $457 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 Louisville for as low as $370 on momondo.

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

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

Cheap Louisville to State of Washington flight deals and tips

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

Best Price Found	$156
Fastest flight time	6h 34m
Direct flights	None

The best one-way flight to State of Washington from Louisville in the past 72 hours is $156. The best round-trip flight deal from Louisville to State of Washington found on momondo in the last 72 hours is $311.

The fastest flight from Louisville to State of Washington takes 6h 34m

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

Search flight deals

Frequently asked questions about flying from Louisville to Washington

When did momondo last update prices for flights from Louisville Intl Airport to Washington?
Prices for flights from Louisville Intl Airport to Washington refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to Washington?
There are 5 operators available for flights from Louisville Intl Airport to Washington as of October 2026.
How old do you have to be to fly from Louisville Intl Airport to Washington?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington 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 Louisville to State of Washington

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $187	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.3 10,388 reviews	Search United Airlines flights
American Airlines	PriceFrom $336	Free Cancellation	Rating 7.0 12,181 reviews	Search American Airlines flights
Southwest	PriceFrom $372	Free Cancellation	Rating 7.9 4,213 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $430	Free Cancellation	Rating 7.9 13,096 reviews	Search Alaska Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Washington for you.

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

All flight searches from Louisville to Washington on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Louisville to Washington.

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

Yes. momondo can track prices for Louisville to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.