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$111+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SDF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$245
(FlightHub)

One-way from

$111
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$582
From Washington to Louisville Intl
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One-way flight from Washington to Louisville Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($22 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 June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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 10/2111:55 pmSEA - SDF
1 stop11h 12mAmerican Airlines
Sat 11/15:56 amSDF - SEA
1 stop7h 49mAmerican Airlines
Deal found 6/11$233
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Fri 6/205:57 pmGEG - SDF
1 stop18h 25mMultiple Airlines
Sun 6/227:40 pmSDF - GEG
1 stop24h 27mMultiple Airlines
Deal found 6/10$238
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Thu 9/112:35 pmPDX - SDF
1 stop23h 15mSpirit Airlines
Mon 9/155:55 pmSDF - PDX
1 stop22h 35mSpirit Airlines
Deal found 6/10$245
This Southwest deal was found by Cheapflights users on 6/11. 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 9/31:10 pmSEA - SDF
1 stop6h 30mSouthwest
Tue 9/165:30 amSDF - SEA
1 stop8h 45mSouthwest
Deal found 6/11$245
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Wed 9/174:58 pmSEA - SDF
1 stop18h 40mSpirit Airlines
Mon 9/225:55 pmSDF - SEA
1 stop24h 58mSpirit Airlines
Deal found 6/11$253
This Delta deal was found by Cheapflights users on 6/12. 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.
Thu 8/79:30 pmPDX - SDF
1 stop8h 20mDelta
Wed 8/137:34 pmSDF - PDX
1 stop6h 57mDelta
Deal found 6/12$255
This Delta deal was found by Cheapflights users on 6/12. 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.
Tue 10/2111:05 pmSEA - SDF
1 stop7h 49mDelta
Sat 11/16:36 amSDF - SEA
1 stop9h 24mDelta
Deal found 6/12$258
This Southwest deal was found by Cheapflights users on 6/10. 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 10/1511:40 amPDX - SDF
2 stops9h 50mSouthwest
Tue 10/216:25 amSDF - PDX
1 stop6h 40mSouthwest
Deal found 6/10$298
This Sun Country Air deal was found by Cheapflights users on 6/11. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1711:57 pmSEA - SDF
1 stop10h 09mSun Country Air
Mon 7/2111:52 amSDF - SEA
1 stop13h 55mSun Country Air
Deal found 6/11$315
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 6/2611:59 pmPDX - SDF
1 stop6h 14mMultiple Airlines
Mon 6/304:17 pmSDF - PDX
2 stops22h 00mMultiple Airlines
Deal found 6/10$316
This American Airlines deal was found by Cheapflights users on 6/9. 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 10/218:01 amPDX - SDF
1 stop8h 41mAmerican Airlines
Fri 10/246:54 pmSDF - PDX
1 stop7h 10mAmerican Airlines
Deal found 6/9$324
This Mytrip deal was found by Cheapflights users on 6/9. 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.
Thu 7/1711:55 pmPDX - SDF
1 stop10h 11mSun Country Air
Mon 7/2111:52 amSDF - PDX
1 stop13h 54mSun Country Air
Deal found 6/9$325

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 June 12, 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

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 10/21

11:55 pm-2:07 pm

1 stop11h 12m

Louisville Intl

Sat 11/1

5:56 am-10:45 am

1 stop7h 49m

$233

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Thu 9/11

2:35 pm-4:50 pm

1 stop23h 15m

Louisville Intl

Sun 9/14

3:43 pm-1:30 pm

1 stop24h 47m

$245

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 9/3

1:10 pm-10:40 pm

1 stop6h 30m

Louisville Intl

Tue 9/16

5:30 am-11:15 am

1 stop8h 45m

$245

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 9/17

4:58 pm-2:38 pm

1 stop18h 40m

Louisville Intl

Mon 9/22

5:55 pm-3:53 pm

1 stop24h 58m

$253

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Thu 8/7

9:30 pm-8:50 am

1 stop8h 20m

Louisville Intl

Wed 8/13

7:34 pm-11:31 pm

1 stop6h 57m

$255

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 10/21

11:05 pm-9:54 am

1 stop7h 49m

Louisville Intl

Sat 11/1

6:36 am-1:00 pm

1 stop9h 24m

$258

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 10/15

10:30 am-12:30 am

1 stop11h 00m

Louisville Intl

Tue 10/21

6:55 pm-10:50 pm

1 stop6h 55m

$298

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Thu 7/17

11:57 pm-1:06 pm

1 stop10h 09m

Louisville Intl

Mon 7/21

11:52 am-10:47 pm

1 stop13h 55m

$315

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Thu 6/26

11:59 pm-9:13 am

1 stop6h 14m

Louisville Intl

Mon 6/30

4:17 pm-11:17 am

2 stops22h 00m

$316

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Tue 10/21

8:01 am-7:42 pm

1 stop8h 41m

Louisville Intl

Fri 10/24

6:54 pm-11:04 pm

1 stop7h 10m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 51 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 June 12, 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.

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Washington to Louisville, such as Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $111 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $128 and Southwest from $128 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 Spokane - 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 Washington?

Book flights to Washington 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 6 airlines flying from Washington to Louisville

Discover the top 6 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$247Average$382FlexibilityNo cancel feeOn-time65%
DeltaCheapest$269Average$495FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$586FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$301Average$467FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$395Average$572FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$469Average$628FlexibilityNo cancel feeOn-time75%

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