Washington

$164+ Cheap flights from Louisville (SDF) to Washington

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
Jul 29 — Aug 51
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Cheap flight deals from Louisville to Washington

Cheapest flights from Louisville to Washington
Explore the most affordable flight options available from Louisville to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.

This Delta deal was found by Cheapflights users on 6/28. 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 8/116:00 am
SDF
-
PDX
1 stop7h 27m
Delta
Fri 8/2112:35 am
PDX
-
SDF
1 stop8h 20m
Delta
Deal found 6/28$327
This Southwest deal was found by Cheapflights users on 6/25. 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.
Tue 11/106:50 am
SDF
-
PDX
1 stop9h 20m
Southwest
Sat 11/148:30 am
PDX
-
SDF
1 stop6h 20m
Southwest
Deal found 6/25$328
This Delta deal was found by Cheapflights users on 6/27. 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.
Wed 7/297:49 pm
SDF
-
PDX
1 stop6h 29m
Delta
Wed 8/512:35 am
PDX
-
SDF
1 stop8h 20m
Delta
Deal found 6/27$330
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Sat 8/223:25 pm
SDF
-
PDX
2 stops10h 20m
United Airlines
Thu 8/2712:45 pm
PDX
-
SDF
1 stop6h 46m
United Airlines
Deal found 6/28$332
This Delta deal was found by Cheapflights users on 6/26. 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 7/214:47 pm
SDF
-
PDX
1 stop7h 57m
Delta
Fri 7/3112:33 am
PDX
-
SDF
1 stop8h 27m
Delta
Deal found 6/26$333
This Southwest deal was found by Cheapflights users on 6/26. 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.
Sat 8/154:50 pm
SDF
-
PDX
1 stop7h 15m
Southwest
Sat 8/226:20 am
PDX
-
SDF
1 stop10h 35m
Southwest
Deal found 6/26$334
This Southwest deal was found by Cheapflights users on 6/26. 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.
Tue 9/224:00 pm
SDF
-
PDX
2 stops9h 15m
Southwest
Tue 9/2911:30 pm
PDX
-
SDF
2 stops9h 40m
Southwest
Deal found 6/26$337
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 11/124:26 pm
SDF
-
PDX
1 stop9h 33m
American Airlines
Tue 11/177:40 am
PDX
-
SDF
1 stop6h 59m
American Airlines
Deal found 6/27$343
This Delta deal was found by Cheapflights users on 6/26. 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 7/214:47 pm
SDF
-
PDX
1 stop7h 57m
Delta
Wed 8/512:35 am
PDX
-
SDF
1 stop8h 20m
Delta
Deal found 6/26$346
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Mon 10/53:36 pm
SDF
-
GEG
1 stop8h 13m
United Airlines
Sat 10/101:40 pm
GEG
-
SDF
1 stop5h 50m
United Airlines
Deal found 6/27$347
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Thu 10/155:15 am
SDF
-
SEA
1 stop7h 21m
United Airlines
Mon 10/1911:13 pm
SEA
-
SDF
1 stop7h 24m
United Airlines
Deal found 6/26$347
This Southwest deal was found by Cheapflights users on 6/25. 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 7/291:00 pm
SDF
-
PDX
2 stops9h 10m
Southwest
Wed 8/511:30 pm
PDX
-
SDF
1 stop7h 55m
Southwest
Deal found 6/25$347

Find flight deals from Louisville to Washington

Keep the following information in mind while searching for Louisville to Washington flight deals. Data was last updated June 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$327
(Delta)

One-way from

$164
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$588
Provider with most accurate pricing for Louisville Intl-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Louisville Intl-Seattle/Tacoma Intl flights.
From Louisville Intl to Washington
One-way flight from Louisville Intl to Washington
Highest demand for flights based on searches. 17% potential increase in price ($96 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Washington 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 29, 2026.
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

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 9/1

3:25 pm-9:44 pm

1 stop9h 19m

Portland

Wed 9/9

2:10 pm-11:59 pm

1 stop6h 49m

$327

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 8/22

3:25 pm-10:45 pm

2 stops10h 20m

Portland

Thu 8/27

12:45 pm-10:31 pm

1 stop6h 46m

$332

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 8/15

4:50 pm-9:05 pm

1 stop7h 15m

Portland

Sat 8/22

6:20 am-7:55 pm

1 stop10h 35m

$334

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 9/22

4:00 pm-10:15 pm

2 stops9h 15m

Portland

Tue 9/29

11:30 pm-12:10 pm

2 stops9h 40m

$337

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

Thu 8/6

7:10 pm-10:40 pm

1 stop6h 30m

Spokane

Tue 8/18

7:00 am-8:35 pm

2 stops10h 35m

$353

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 9/5

12:05 pm-6:25 pm

2 stops9h 20m

Portland

Thu 9/10

6:15 am-8:30 pm

2 stops11h 15m

$353

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Wed 7/29

5:50 pm-10:30 pm

1 stop7h 40m

Portland

Wed 8/5

11:59 pm-11:54 am

1 stop8h 55m

$355

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

Tue 10/13

3:20 pm-10:15 pm

2 stops9h 55m

Spokane

Sat 10/17

6:45 am-4:00 pm

1 stop6h 15m

$369

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Mon 8/17

3:20 pm-10:55 pm

2 stops10h 35m

Seattle/Tacoma Intl

Sat 8/22

5:30 am-7:55 pm

1 stop11h 25m

$375

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Thu 9/24

2:15 pm-6:20 pm

1 stop7h 05m

Seattle/Tacoma Intl

Mon 9/28

11:05 pm-12:40 pm

2 stops10h 35m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

Showing 1-10 of 56 resultsSorted by cheapest first
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Best time to book a flight from Louisville to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Louisville 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 Louisville to Washington

What is the cheapest month to book a flight from Louisville to State of Washington?

Currently, June is the cheapest month in which you can book a flight from Louisville to State of Washington (average of $187). Flying from Louisville to State of Washington in July is currently the most expensive (average of $368). 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.

How much does it cost to fly round-trip from Louisville to State of Washington?

How far ahead should I book a flight from Louisville to State of Washington?

The price you pay for your flight from Louisville to State of Washington may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated June 29, 2026.
Read through reviews of airlines operating flights from Louisville to Washington, such as Alaska Airlines,Southwest, andDelta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Washington. 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 Louisville to Washington?

    Located just 5.3 mi from the city center, Louisville Intl (SDF) is the airport most travelers will use when flying to Washington from Louisville.

  • How long is the flight from Louisville to State of Washington?

    Delta, United Airlines, and Southwest can get you from Louisville to State of Washington in just under 7h 15m. Your travel time can differ by up to 3h 05m. There are 1944 mi between Louisville and State of Washington. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Louisville to State of Washington?

  • Can I find deals for flights from Louisville to Washington that include hotel bookings?

    Yes. In addition to deals on Louisville to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Washington.

  • Can I find deals for business class flights from Louisville to Washington?

    Yes. Cheapflights offers flight deals from Louisville to Washington 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 Louisville to State of Washington?

    Currently, June is the cheapest month in which you can book a flight from Louisville to State of Washington (average of $187). Flying from Louisville to State of Washington in July is currently the most expensive (average of $368). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisville to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Louisville to Washington

Discover the top 5 airlines that operate flights from Louisville to Washington. 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$187Average$454FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$270Average$412FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$278Average$552FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$350Average$507FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$430Average$766FlexibilityNo cancel feeOn-time75%

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