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$92+ Cheap flights from Washington to Louisville (SDF)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SDF
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap flight deals from Washington to Louisville

Keep the following information in mind while searching for Washington to Louisville flight deals. Data was last updated julio 31, 2025.

Round-trip from

$230
(FlightHub)

One-way from

$92
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$497
From Washington to Louisville Intl
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One-way flight from Washington to Louisville Intl
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Highest demand for flights based on searches. 6% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 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 Washington to Louisville

Cheapest flights from Washington to Louisville
Explore the most affordable flight options available from Washington to Louisville. 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. 9/48:18 pmPDX - SDF
1 stop16h 02mSpirit Airlines
dom. 9/74:20 pmSDF - PDX
1 stop30h 03mSpirit Airlines
Deal found 7/31$230
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. 10/2812:34 amSEA - SDF
1 stop10h 09mAmerican Airlines
mié. 11/512:43 pmSDF - SEA
1 stop13h 35mAmerican Airlines
Deal found 7/31$275
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. 10/211:23 pmPDX - SDF
1 stop17h 02mAmerican Airlines
sáb. 10/252:21 pmSDF - PDX
1 stop11h 45mAmerican Airlines
Deal found 7/30$283
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/156:00 amPDX - SDF
1 stop8h 30mSouthwest
mar. 10/216:05 pmSDF - PDX
1 stop8h 40mSouthwest
Deal found 7/31$325
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. 8/2811:10 pmSEA - SDF
1 stop10h 10mSouthwest
lun. 9/17:10 pmSDF - SEA
1 stop7h 55mSouthwest
Deal found 7/30$330
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.
vie. 11/711:59 pmPDX - SDF
1 stop6h 59mUnited Airlines
sáb. 11/82:35 pmSDF - PDX
1 stop8h 54mUnited Airlines
Deal found 7/31$346
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.
vie. 9/56:00 amSEA - SDF
1 stop9h 40mDelta
mié. 9/177:44 pmSDF - SEA
1 stop6h 59mDelta
Deal found 7/30$351
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.
mar. 8/1911:32 amPDX - SDF
1 stop8h 14mDelta
mié. 8/207:34 pmSDF - PDX
1 stop6h 57mDelta
Deal found 7/30$352
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. 9/35:14 pmSEA - SDF
2 stops13h 48mUnited Airlines
mar. 9/1610:55 amSDF - SEA
1 stop7h 37mUnited Airlines
Deal found 7/31$420
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/192:25 pmPSC - SDF
3 stops29h 03mMultiple Airlines
dom. 9/213:10 pmSDF - PSC
2 stops20h 42mMultiple Airlines
Deal found 7/30$448
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.
vie. 9/195:15 pmPSC - SDF
2 stops13h 12mDelta
dom. 9/216:00 amSDF - PSC
2 stops13h 35mDelta
Deal found 7/31$454
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/145:30 amPSC - SDF
1 stop5h 53mUnited Airlines
lun. 8/183:25 pmSDF - PSC
2 stops10h 28mUnited Airlines
Deal found 7/30$520

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Louisville 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 Washington to Louisville that are best for you.

Fly from

Washington

Fly to

Louisville

Route

Depart

Return

Price

PortlandLouisville

PDX - SDF

PDXSDF

Portland

jue. 9/4

8:18 pm-3:20 pm

1 stop16h 02m

Louisville Intl

dom. 9/7

4:20 pm-7:23 pm

1 stop30h 03m

$230

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

mar. 10/28

12:34 am-1:43 pm

1 stop10h 09m

Louisville Intl

mié. 11/5

12:43 pm-11:18 pm

1 stop13h 35m

$275

PortlandLouisville

PDX - SDF

PDXSDF

Portland

mar. 10/21

1:23 pm-9:25 am

1 stop17h 02m

Louisville Intl

sáb. 10/25

2:21 pm-11:06 pm

1 stop11h 45m

$283

PortlandLouisville

PDX - SDF

PDXSDF

Portland

mié. 10/15

6:00 am-5:30 pm

1 stop8h 30m

Louisville Intl

mar. 10/21

6:05 pm-11:45 pm

1 stop8h 40m

$325

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

jue. 8/28

11:10 pm-12:20 pm

1 stop10h 10m

Louisville Intl

lun. 9/1

7:10 pm-12:05 am

1 stop7h 55m

$330

PortlandLouisville

PDX - SDF

PDXSDF

Portland

vie. 11/7

11:59 pm-9:58 am

1 stop6h 59m

Louisville Intl

sáb. 11/8

2:35 pm-8:29 pm

1 stop8h 54m

$346

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

vie. 9/5

6:00 am-6:40 pm

1 stop9h 40m

Louisville Intl

mié. 9/17

7:44 pm-11:43 pm

1 stop6h 59m

$351

PortlandLouisville

PDX - SDF

PDXSDF

Portland

mar. 8/19

11:32 am-10:46 pm

1 stop8h 14m

Louisville Intl

mié. 8/20

7:34 pm-11:31 pm

1 stop6h 57m

$352

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

mié. 9/3

5:14 pm-10:02 am

2 stops13h 48m

Louisville Intl

mar. 9/16

10:55 am-3:32 pm

1 stop7h 37m

$420

PascoLouisville

PSC - SDF

PSCSDF

Pasco Tri Cities

vie. 9/19

2:25 pm-10:28 pm

3 stops29h 03m

Louisville Intl

dom. 9/21

3:10 pm-8:52 am

2 stops20h 42m

$448

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 38 results
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Best time to book a flight from Washington to Louisville

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

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

Currently, January is the cheapest month in which you can book a flight from State of Washington to Louisville (average of $299). Flying from State of Washington to Louisville in April is currently the most expensive (average of $369). 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 WA to SDF?

Find hourly flight availability from Washington to Louisville. 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 State of Washington to Louisville, 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 Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated julio 31, 2025.
Read through reviews of airlines operating flights from Washington to Louisville, 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

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

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

    If you book a flight to Louisville from Washington, you will be flying to Louisville Intl, which is the city’s only airport. Louisville Intl (SDF) is located 5.3 mi from the center of Louisville.

  • What are the cheapest airlines to fly from State of Washington to Louisville one-way?

    One-way options have recently been found by users for as low as $92 on Spirit Airlines. Other airlines that offer cheap prices include American Airlines from $147 and Delta from $163 one-way.

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

    When deciding which route to take from State of Washington to Louisville consider Seattle/Tacoma Intl - Louisville Intl, Portland - Louisville Intl or Pasco Tri Cities - Louisville Intl as they are the most popular.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Louisville (average of $299). Flying from State of Washington to Louisville in April is currently the most expensive (average of $369). 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

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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Alternative routes for Washington to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Washington to Louisville

Discover the top 5 airlines that operate flights from Washington to Louisville. 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$269Average$567FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$528FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$300Average$547FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$302Average$453FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$456Average$628FlexibilityNo cancel feeOn-time75%

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