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$159+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Louisville to Washington

Keep the following information in mind while searching for Louisville to Washington flight deals. Data was last updated September 15, 2025.

Round-trip from

$238
(Delta)

One-way from

$177
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$429
From Louisville Intl to Washington
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One-way flight from Louisville Intl to Washington
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Highest demand for flights based on searches. 12% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This Delta deal was found by Cheapflights users on 9/12. 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.
Sat 11/87:00 amSDF - PDX
1 stop8h 50mDelta
Tue 11/1112:35 amPDX - SDF
1 stop8h 22mDelta
Deal found 9/12$238
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/2312:14 pmSDF - SEA
1 stop9h 17mUnited Airlines
Sun 10/2611:59 pmSEA - SDF
1 stop7h 00mUnited Airlines
Deal found 9/12$295
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:15 amSDF - SEA
2 stops27h 18mMultiple Airlines
Sun 10/267:28 pmSEA - SDF
1 stop15h 34mMultiple Airlines
Deal found 9/12$297
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:15 amSDF - SEA
2 stops16h 53mMultiple Airlines
Sun 10/267:28 pmSEA - SDF
1 stop15h 34mMultiple Airlines
Deal found 9/15$306
This Delta deal was found by Cheapflights users on 9/15. 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 10/146:05 pmSDF - SEA
1 stop6h 58mDelta
Tue 10/211:40 pmSEA - SDF
1 stop7h 21mDelta
Deal found 9/15$317
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/146:00 amSDF - PDX
1 stop7h 56mAmerican Airlines
Tue 10/2111:48 amPDX - SDF
1 stop7h 37mAmerican Airlines
Deal found 9/14$317
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 10/213:30 pmSDF - SEA
2 stops10h 45mUnited Airlines
Tue 10/2811:59 pmSEA - SDF
1 stop7h 00mUnited Airlines
Deal found 9/13$322
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 11/86:34 pmSDF - PDX
1 stop7h 52mAmerican Airlines
Wed 11/1211:43 amPDX - SDF
1 stop8h 12mAmerican Airlines
Deal found 9/12$328
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/157:32 amSDF - SEA
1 stop8h 28mAmerican Airlines
Mon 10/2010:32 amSEA - SDF
1 stop6h 51mAmerican Airlines
Deal found 9/13$334
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/238:45 amSDF - SEA
1 stop10h 00mUnited Airlines
Sat 10/257:00 amSEA - SDF
1 stop8h 33mUnited Airlines
Deal found 9/12$339
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/77:00 amSDF - GEG
1 stop7h 42mUnited Airlines
Fri 10/171:38 pmGEG - SDF
1 stop5h 52mUnited Airlines
Deal found 9/15$348
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 10/135:53 pmSDF - SEA
1 stop9h 34mAmerican Airlines
Mon 10/2010:32 amSEA - SDF
1 stop8h 53mAmerican Airlines
Deal found 9/13$351

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 September 15, 2025.
Use the filters below to find and compare flights from Louisville to Washington that are best for you.

Fly from

Louisville

Fly to

Washington

Route

Depart

Return

Price

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 11/8

7:00 am-12:50 pm

1 stop8h 50m

Portland

Tue 11/11

12:35 am-11:57 am

1 stop8h 22m

$238

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Thu 10/23

12:14 pm-6:31 pm

1 stop9h 17m

Seattle/Tacoma Intl

Sun 10/26

11:59 pm-9:59 am

1 stop7h 00m

$295

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 1/17

11:13 am-8:24 pm

1 stop12h 11m

Portland

Wed 1/21

7:59 am-5:24 pm

1 stop6h 25m

$295

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Tue 10/14

6:05 pm-10:03 pm

1 stop6h 58m

Seattle/Tacoma Intl

Tue 10/21

1:40 pm-12:01 am

1 stop7h 21m

$317

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Tue 10/21

7:15 pm-11:57 pm

1 stop7h 42m

Seattle/Tacoma Intl

Tue 10/28

1:40 pm-12:01 am

1 stop7h 21m

$317

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Tue 10/21

3:30 pm-11:15 pm

2 stops10h 45m

Seattle/Tacoma Intl

Tue 10/28

11:59 pm-9:59 am

1 stop7h 00m

$322

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Tue 11/11

5:50 pm-10:55 pm

1 stop8h 05m

Seattle/Tacoma Intl

Thu 11/13

8:35 am-5:15 pm

1 stop5h 40m

$334

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 11/4

7:00 am-12:50 pm

1 stop8h 50m

Portland

Fri 11/7

12:40 am-11:56 am

1 stop8h 16m

$334

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

Tue 10/7

7:00 am-11:42 am

1 stop7h 42m

Spokane

Fri 10/17

1:38 pm-10:30 pm

1 stop5h 52m

$348

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

Tue 10/7

10:29 am-7:46 pm

2 stops12h 17m

Spokane

Fri 10/17

11:15 pm-2:20 pm

2 stops12h 05m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 51 results
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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, January is the cheapest month in which you can book a flight from Louisville to State of Washington (average of $238). Flying from Louisville to State of Washington in June is currently the most expensive (average of $387). 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.

What is the cheapest time of day to fly from SDF to WA?

Find hourly flight availability from Louisville to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Louisville to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 15, 2025.
Read through reviews of airlines operating flights from Louisville to Washington, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,954 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,929 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 American Airlines can get you from Louisville to State of Washington in just under 8h 50m. Your travel time can differ by up to 3h 21m. 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 cheapest airlines to fly from Louisville to State of Washington one-way?

    One-way options have recently been found by users for as low as $159 on United Airlines. Other airlines that offer cheap prices include Southwest from $199 and Sun Country Air from $228 one-way.

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

    The most popular flight routes from Louisville to State of Washington are Louisville Intl - Seattle/Tacoma Intl, Louisville Intl - Portland and Louisville Intl - Spokane.

  • 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, January is the cheapest month in which you can book a flight from Louisville to State of Washington (average of $238). Flying from Louisville to State of Washington in June is currently the most expensive (average of $387). 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

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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.
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$206Average$424FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$270Average$440FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$270Average$508FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$302Average$454FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$506Average$587FlexibilityNo cancel feeOn-time75%

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