What airlines fly to State of Washington?

Delta, Alaska Airlines and American Airlines are the top three most popular airlines that fly to State of Washington from Louisville according to our data. Delta is the first choice among our users, with 38% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 7 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?

American Airlines and United 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 February 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.

$161 Cheap Flights from Louisville to Washington in 2026

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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.

7:05 am - 11:51 am

SDF

PDX

7h 46m

1 stop

2:10 pm - 11:46 pm

PDX

SDF

6h 36m

1 stop

$321United Airlines

Tue, Mar 10 - Tue, Apr 14

6:07 am - 10:48 am

SDF

SEA

7h 41m

1 stop

7:00 am - 9:30 pm

SEA

SDF

11h 30m

1 stop

$322American Airlines

Fri, Apr 10 - Sat, Apr 18

9:00 am - 5:51 pm

SDF

PDX

11h 51m

2 stops

11:59 pm - 9:25 am

PDX

SDF

6h 26m

1 stop

$326United Airlines

Tue, Mar 10 - Tue, Apr 14

5:00 am - 11:46 am

SDF

PDX

9h 46m

1 stop

11:59 pm - 9:25 am

PDX

SDF

6h 26m

1 stop

$340United Airlines

Thu, Apr 2 - Tue, Apr 7

4:40 pm - 11:00 pm

SDF

PDX

9h 20m

2 stops

11:55 pm - 9:50 am

PDX

SDF

6h 55m

1 stop

$345Southwest

Wed, Apr 8 - Mon, Apr 13

11:59 am - 12:24 am

SDF

SEA

15h 25m

1 stop

11:59 pm - 10:04 am

SEA

SDF

7h 05m

1 stop

$348American Airlines

Sat, Mar 14 - Tue, Mar 17

5:55 pm - 10:15 pm

SDF

SEA

7h 20m

1 stop

6:15 am - 4:30 pm

SEA

SDF

7h 15m

1 stop

$359Delta

Tue, Mar 17 - Tue, Mar 31

3:10 pm - 9:56 pm

SDF

PDX

9h 46m

1 stop

11:06 pm - 10:26 am

PDX

SDF

8h 20m

1 stop

$359Delta

Mon, Apr 27 - Mon, May 4

7:05 pm - 11:55 pm

SDF

SEA

7h 50m

1 stop

11:55 pm - 12:45 pm

SEA

SDF

9h 50m

2 stops

$364Southwest

Tue, Mar 17 - Tue, Mar 24

6:00 am - 2:50 pm

SDF

PUW

11h 50m

2 stops

7:59 pm - 10:15 am

PUW

SDF

11h 16m

2 stops

$771Alaska Airlines

Mon, May 18 - Fri, May 22

American Airlines flights from Louisville to State of Washington

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

American Airlines

Apr 10

SDF6:07 amLouisville Intl

7h 41m

1 stop

SEA10:48 amSeattle/Tacoma Intl

Apr 18

SEA7:00 amSeattle/Tacoma Intl

11h 30m

1 stop

SDF9:30 pmLouisville Intl

$322

American Airlines

Mar 14

SDF11:59 amLouisville Intl

15h 25m

1 stop

SEA12:24 amSeattle/Tacoma Intl

Mar 17

SEA11:59 pmSeattle/Tacoma Intl

7h 05m

1 stop

SDF10:04 amLouisville Intl

$348

American Airlines

May 1

SDF6:00 amLouisville Intl

7h 14m

1 stop

SEA10:14 amSeattle/Tacoma Intl

May 9

SEA7:09 amSeattle/Tacoma Intl

13h 02m

1 stop

SDF11:11 pmLouisville Intl

$354

Delta flights from Louisville to State of Washington

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

Delta

Mar 17

SDF5:55 pmLouisville Intl

7h 20m

1 stop

SEA10:15 pmSeattle/Tacoma Intl

Mar 31

SEA6:15 amSeattle/Tacoma Intl

7h 15m

1 stop

SDF4:30 pmLouisville Intl

$359

Delta

Mar 11

SDF8:05 amLouisville Intl

8h 50m

1 stop

SEA1:55 pmSeattle/Tacoma Intl

Mar 16

SEA11:59 pmSeattle/Tacoma Intl

8h 52m

1 stop

SDF11:51 amLouisville Intl

$372

Delta

Mar 19

SDF5:55 pmLouisville Intl

7h 20m

1 stop

SEA10:15 pmSeattle/Tacoma Intl

Mar 31

SEA6:15 amSeattle/Tacoma Intl

7h 15m

1 stop

SDF4:30 pmLouisville Intl

$386

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

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 3/10

7:05 am-11:51 am

1 stop7h 46m

Portland

Tue 4/14

2:10 pm-11:46 pm

1 stop6h 36m

$321

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Fri 4/10

6:07 am-10:48 am

1 stop7h 41m

Seattle/Tacoma Intl

Sat 4/18

7:00 am-9:30 pm

1 stop11h 30m

$322

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 3/10

9:00 am-5:51 pm

2 stops11h 51m

Portland

Tue 4/14

11:59 pm-9:25 am

1 stop6h 26m

$326

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Thu 4/2

5:00 am-11:46 am

1 stop9h 46m

Portland

Tue 4/7

11:59 pm-9:25 am

1 stop6h 26m

$340

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Wed 4/8

4:40 pm-11:00 pm

2 stops9h 20m

Portland

Mon 4/13

11:55 pm-9:50 am

1 stop6h 55m

$345

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Sat 3/14

11:59 am-12:24 am

1 stop15h 25m

Seattle/Tacoma Intl

Tue 3/17

11:59 pm-10:04 am

1 stop7h 05m

$348

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Tue 3/17

5:55 pm-10:15 pm

1 stop7h 20m

Seattle/Tacoma Intl

Tue 3/31

6:15 am-4:30 pm

1 stop7h 15m

$359

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Mon 4/27

3:10 pm-9:56 pm

1 stop9h 46m

Portland

Mon 5/4

11:06 pm-10:26 am

1 stop8h 20m

$359

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Tue 3/17

7:05 pm-11:55 pm

1 stop7h 50m

Seattle/Tacoma Intl

Tue 3/24

11:55 pm-12:45 pm

2 stops9h 50m

$364

LouisvillePullman

SDF - PUW

SDFPUW

Louisville Intl

Mon 5/18

6:00 am-2:50 pm

2 stops11h 50m

Pullman Moscow Regional

Fri 5/22

7:59 pm-10:15 am

2 stops11h 16m

$771

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 $268. If you aren’t able to travel to State of Washington during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $367.

How far in advance should I book a flight to State of 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 $446 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 $359 on momondo.

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

You could potentially save up to 12% 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

Fastest flight time	6h 08m
Direct flights	None

The fastest flight from Louisville to State of Washington takes 6h 08m

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

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 February 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 $206	Free Cancellation	Rating 7.9 8,208 reviews	Search Delta flights
United Airlines	PriceFrom $269	Free Cancellation	Rating 7.4 9,317 reviews	Search United Airlines flights
American Airlines	PriceFrom $270	Free Cancellation	Rating 7.2 11,309 reviews	Search American Airlines flights
Southwest	PriceFrom $278	Free Cancellation	Rating 8.0 4,292 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $430	Free Cancellation	Rating 8.0 11,902 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.