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$138+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$230
(FlightHub)

One-way from

$138
(American Airlines)

Popular in

July

Cheapest in

October

Average price

$566
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. 13% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/254:20 pmSDF - PDX
1 stop21h 51mSpirit Airlines
dom. 9/288:18 pmPDX - SDF
1 stop16h 02mSpirit Airlines
Deal found 7/31$230
This American Airlines deal was found by Cheapflights users on 7/30. 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.
sáb. 8/302:49 pmSDF - SEA
1 stop11h 52mAmerican Airlines
sáb. 9/66:05 amSEA - SDF
1 stop10h 19mAmerican Airlines
Deal found 7/30$269
This American Airlines deal was found by Cheapflights users on 7/31. 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.
mar. 8/266:44 amSDF - PDX
1 stop10h 45mAmerican Airlines
mié. 9/36:05 amPDX - SDF
1 stop10h 19mAmerican Airlines
Deal found 7/31$283
This American Airlines deal was found by Cheapflights users on 7/30. 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.
mar. 9/97:45 amSDF - GEG
1 stop7h 00mAmerican Airlines
mar. 9/167:00 amGEG - SDF
1 stop13h 03mAmerican Airlines
Deal found 7/30$304
This Delta deal was found by Cheapflights users on 7/30. 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.
sáb. 10/187:00 amSDF - PDX
1 stop7h 01mDelta
lun. 11/312:50 amPDX - SDF
1 stop8h 06mDelta
Deal found 7/30$325
This Delta deal was found by Cheapflights users on 7/31. 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.
mar. 9/96:00 amSDF - GEG
2 stops13h 49mDelta
mar. 9/1612:40 pmGEG - SDF
1 stop8h 12mDelta
Deal found 7/31$330
This Southwest deal was found by Cheapflights users on 7/30. 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.
sáb. 8/306:05 pmSDF - SEA
1 stop8h 25mSouthwest
sáb. 9/67:35 amSEA - SDF
2 stops11h 10mSouthwest
Deal found 7/30$330
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/64:00 pmSDF - GEG
2 stops8h 00mSouthwest
mar. 9/95:45 amGEG - SDF
2 stops9h 40mSouthwest
Deal found 7/28$335
This Southwest deal was found by Cheapflights users on 7/30. 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.
jue. 11/135:30 pmSDF - PDX
1 stop9h 45mSouthwest
sáb. 11/155:40 amPDX - SDF
2 stops13h 10mSouthwest
Deal found 7/30$336
This United Airlines deal was found by Cheapflights users on 7/31. 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.
sáb. 9/273:30 pmSDF - SEA
2 stops10h 45mUnited Airlines
sáb. 10/45:00 amSEA - SDF
1 stop6h 28mUnited Airlines
Deal found 7/31$358
This United Airlines deal was found by Cheapflights users on 7/31. 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.
mié. 8/272:20 pmSDF - PDX
1 stop8h 43mUnited Airlines
mar. 9/210:55 amPDX - SDF
1 stop8h 35mUnited Airlines
Deal found 7/31$415
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/910:57 amSDF - PDX
3 stops25h 21mMultiple Airlines
sáb. 8/167:52 pmPDX - SDF
3 stops20h 01mMultiple Airlines
Deal found 7/29$437

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 julio 31, 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

jue. 9/25

4:20 pm-11:11 am

1 stop21h 51m

Portland

dom. 9/28

8:18 pm-3:20 pm

1 stop16h 02m

$230

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

sáb. 8/30

2:49 pm-11:41 pm

1 stop11h 52m

Seattle/Tacoma Intl

sáb. 9/6

6:05 am-7:24 pm

1 stop10h 19m

$269

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

mar. 8/26

6:44 am-2:29 pm

1 stop10h 45m

Portland

mié. 9/3

6:05 am-7:24 pm

1 stop10h 19m

$283

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

mar. 9/9

7:45 am-11:45 am

1 stop7h 00m

Spokane

mar. 9/16

7:00 am-11:03 pm

1 stop13h 03m

$304

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

sáb. 10/18

7:00 am-11:01 am

1 stop7h 01m

Portland

lun. 11/3

12:50 am-11:56 am

1 stop8h 06m

$325

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

sáb. 8/30

6:05 pm-11:30 pm

1 stop8h 25m

Seattle/Tacoma Intl

sáb. 9/6

7:35 am-9:45 pm

2 stops11h 10m

$330

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

mar. 9/9

6:00 am-4:49 pm

2 stops13h 49m

Spokane

mar. 9/16

12:40 pm-11:52 pm

1 stop8h 12m

$330

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

sáb. 9/6

4:00 pm-9:00 pm

2 stops8h 00m

Spokane

mar. 9/9

5:45 am-6:25 pm

2 stops9h 40m

$335

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

jue. 11/13

5:30 pm-12:15 am

1 stop9h 45m

Portland

sáb. 11/15

5:40 am-9:50 pm

2 stops13h 10m

$336

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

sáb. 9/27

3:30 pm-11:15 pm

2 stops10h 45m

Seattle/Tacoma Intl

sáb. 10/4

5:00 am-2:28 pm

1 stop6h 28m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 30 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 $389). 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 julio 31, 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.

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

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 julio 31, 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

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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.

  • 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 $138 on American Airlines. Other airlines that offer cheap prices include Delta from $163 and United Airlines from $163 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 $389). 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 6 airlines flying from Louisville to Washington

Discover the top 6 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$238Average$423FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$270Average$441FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$274Average$528FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$330Average$365FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$342Average$460FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$436Average$582FlexibilityNo cancel feeOn-time75%

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