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$167+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$273
(Mytrip)

One-way from

$169
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$439
Provider with most accurate pricing for Louisville Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Seattle/Tacoma Intl flights.
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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. 16% potential increase in price ($92 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 March 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 March 26, 2025.

This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/305:05 amSDF - PDX
2 stops31h 52mSpirit Airlines
Tue 5/62:33 pmPDX - SDF
2 stops21h 23mSpirit Airlines
Deal found 3/25$273
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/45:45 amSDF - PDX
1 stop7h 39mAmerican Airlines
Tue 6/1012:07 amPDX - SDF
1 stop10h 57mAmerican Airlines
Deal found 3/25$328
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:16 pmSDF - SEA
1 stop7h 48mAmerican Airlines
Wed 4/301:51 pmSEA - SDF
1 stop7h 12mAmerican Airlines
Deal found 3/25$337
This Delta deal was found by Cheapflights users on 3/26. 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.
Wed 5/76:19 amSDF - SEA
1 stop9h 40mDelta
Mon 5/1210:55 pmSEA - SDF
1 stop8h 13mDelta
Deal found 3/26$340
This Delta deal was found by Cheapflights users on 3/24. 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 4/242:37 pmSDF - GEG
1 stop9h 52mDelta
Wed 4/3012:45 pmGEG - SDF
1 stop8h 14mDelta
Deal found 3/24$343
This Booking.com deal was found by Cheapflights users on 3/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/286:45 pmSDF - SEA
1 stop7h 05mSun Country Air
Thu 8/711:59 pmSEA - SDF
1 stop14h 50mSun Country Air
Deal found 3/24$345
This American Airlines deal was found by Cheapflights users on 3/24. 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 8/64:54 pmSDF - GEG
1 stop6h 33mAmerican Airlines
Sat 8/91:40 pmGEG - SDF
1 stop6h 11mAmerican Airlines
Deal found 3/24$347
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/177:44 pmSDF - PDX
1 stop6h 58mDelta
Fri 6/2712:44 amPDX - SDF
1 stop8h 20mDelta
Deal found 3/25$347
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/223:25 pmSDF - SEA
2 stops12h 33mUnited Airlines
Tue 4/2912:54 pmSEA - SDF
1 stop6h 21mUnited Airlines
Deal found 3/25$348
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/86:00 amSDF - SEA
3 stops32h 35mSpirit Airlines
Tue 4/2212:30 pmSEA - SDF
3 stops30h 47mSpirit Airlines
Deal found 3/25$352
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/245:45 amSDF - PDX
2 stops30h 27mMultiple Airlines
Thu 5/111:02 amPDX - SDF
2 stops27h 32mMultiple Airlines
Deal found 3/25$355
This Mytrip deal was found by Cheapflights users on 3/24. 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.
Mon 4/286:19 pmSDF - SEA
2 stops20h 16mMultiple Airlines
Fri 5/28:56 pmSEA - SDF
3 stops37h 43mMultiple Airlines
Deal found 3/24$356

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 March 26, 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

Wed 4/30

5:05 am-9:57 am

2 stops31h 52m

Portland

Tue 5/6

2:33 pm-2:56 pm

2 stops21h 23m

$273

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Tue 4/22

6:16 pm-11:04 pm

1 stop7h 48m

Seattle/Tacoma Intl

Wed 4/30

1:51 pm-12:03 am

1 stop7h 12m

$337

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Wed 5/7

6:19 am-12:59 pm

1 stop9h 40m

Seattle/Tacoma Intl

Mon 5/12

10:55 pm-10:08 am

1 stop8h 13m

$340

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

Thu 4/24

2:37 pm-9:29 pm

1 stop9h 52m

Spokane

Wed 4/30

12:45 pm-11:59 pm

1 stop8h 14m

$343

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Thu 4/24

6:00 am-10:55 am

1 stop7h 55m

Portland

Mon 4/28

11:59 pm-10:25 am

1 stop7h 26m

$343

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Mon 7/28

6:45 pm-10:50 pm

1 stop7h 05m

Seattle/Tacoma Intl

Thu 8/7

11:59 pm-5:49 pm

1 stop14h 50m

$345

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 6/17

7:44 pm-11:42 pm

1 stop6h 58m

Portland

Fri 6/27

12:44 am-12:04 pm

1 stop8h 20m

$347

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Tue 4/22

3:25 pm-12:58 am

2 stops12h 33m

Seattle/Tacoma Intl

Tue 4/29

12:54 pm-10:15 pm

1 stop6h 21m

$348

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Tue 4/8

6:00 am-11:35 am

3 stops32h 35m

Seattle/Tacoma Intl

Tue 4/22

12:30 pm-10:17 pm

3 stops30h 47m

$352

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Mon 4/28

6:19 pm-11:35 am

2 stops20h 16m

Seattle/Tacoma Intl

Fri 5/2

8:56 pm-1:39 pm

3 stops37h 43m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 37 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 July is currently the most expensive (average of $411). 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 March 26, 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.

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 March 26, 2025.
Read through reviews of airlines operating flights from Louisville to Washington, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,789 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $169 on American Airlines. Other airlines that offer cheap prices include Spirit Airlines from $169 and Delta from $172 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 July is currently the most expensive (average of $411). 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 7 airlines flying from Louisville to Washington

Discover the top 7 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$215Average$282FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$238Average$330FlexibilityNo cancel feeOn-time83%
DeltaCheapest$248Average$452FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$306Average$464FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$354Average$511FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$366Average$582FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$416Average$625FlexibilityNo cancel feeOn-time75%
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