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$122+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$269
(Mytrip)

One-way from

$122
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$496
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 ($88 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 May 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 May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/29. 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.
Wed 5/213:51 pmSDF - SEA
2 stops35h 19mSpirit Airlines
Wed 6/46:00 amSEA - SDF
3 stops34h 24mSpirit Airlines
Deal found 4/29$269
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 7/96:08 pmSDF - SEA
1 stop8h 51mUnited Airlines
Tue 7/1512:20 amSEA - SDF
1 stop6h 37mUnited Airlines
Deal found 4/30$275
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Fri 5/306:48 pmSDF - SEA
1 stop17h 33mMultiple Airlines
Sun 6/16:00 amSEA - SDF
2 stops29h 56mMultiple Airlines
Deal found 4/30$289
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Mon 6/164:17 pmSDF - PDX
2 stops22h 00mSpirit Airlines
Mon 6/236:52 pmPDX - SDF
2 stops20h 43mSpirit Airlines
Deal found 4/30$290
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 6/178:30 pmSDF - PDX
1 stop7h 06mAmerican Airlines
Fri 7/45:33 amPDX - SDF
1 stop8h 58mAmerican Airlines
Deal found 4/30$296
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 5/265:45 amSDF - SEA
1 stop7h 30mAmerican Airlines
Wed 6/411:20 amSEA - SDF
1 stop8h 41mAmerican Airlines
Deal found 4/30$309
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Mon 6/234:17 pmSDF - PDX
2 stops28h 27mMultiple Airlines
Sun 6/2911:59 pmPDX - SDF
1 stop7h 28mMultiple Airlines
Deal found 4/30$313
This Delta deal was found by Cheapflights users on 4/30. 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.
Wed 8/67:00 amSDF - GEG
1 stop6h 36mDelta
Sat 8/911:41 amGEG - SDF
1 stop8h 47mDelta
Deal found 4/30$325
This Southwest deal was found by Cheapflights users on 4/30. 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.
Tue 6/177:55 pmSDF - PDX
1 stop7h 00mSouthwest
Fri 7/45:20 amPDX - SDF
2 stops8h 40mSouthwest
Deal found 4/30$337
This Sun Country Air deal was found by Cheapflights users on 4/30. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2311:40 amSDF - PDX
1 stop14h 06mSun Country Air
Sun 6/2911:59 pmPDX - SDF
1 stop7h 28mSun Country Air
Deal found 4/30$340
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 5/307:05 amSDF - GEG
1 stop8h 20mAmerican Airlines
Mon 6/21:22 pmGEG - SDF
1 stop8h 03mAmerican Airlines
Deal found 4/30$345
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 6/247:34 pmSDF - SEA
1 stop7h 19mDelta
Wed 7/25:55 amSEA - SDF
1 stop9h 04mDelta
Deal found 4/30$346

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 May 1, 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

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Wed 5/21

3:51 pm-12:10 am

2 stops35h 19m

Seattle/Tacoma Intl

Wed 6/4

6:00 am-7:24 pm

3 stops34h 24m

$269

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Wed 7/9

6:08 pm-11:59 pm

1 stop8h 51m

Seattle/Tacoma Intl

Tue 7/15

12:20 am-9:57 am

1 stop6h 37m

$275

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Fri 5/30

6:48 pm-9:21 am

1 stop17h 33m

Seattle/Tacoma Intl

Sun 6/1

6:00 am-2:56 pm

2 stops29h 56m

$289

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Mon 6/16

4:17 pm-11:17 am

2 stops22h 00m

Portland

Mon 6/23

6:52 pm-6:35 pm

2 stops20h 43m

$290

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 6/17

8:30 pm-12:36 am

1 stop7h 06m

Portland

Fri 7/4

5:33 am-5:31 pm

1 stop8h 58m

$296

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Mon 5/26

5:45 am-10:15 am

1 stop7h 30m

Seattle/Tacoma Intl

Wed 6/4

11:20 am-11:01 pm

1 stop8h 41m

$309

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Mon 6/23

4:17 pm-5:44 pm

2 stops28h 27m

Portland

Sun 6/29

11:59 pm-10:27 am

1 stop7h 28m

$313

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

Wed 8/6

7:00 am-10:36 am

1 stop6h 36m

Spokane

Sat 8/9

11:41 am-11:28 pm

1 stop8h 47m

$325

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 6/17

7:55 pm-11:55 pm

1 stop7h 00m

Portland

Fri 7/4

5:20 am-5:00 pm

2 stops8h 40m

$337

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Mon 6/23

11:40 am-10:46 pm

1 stop14h 06m

Portland

Sun 6/29

11:59 pm-10:27 am

1 stop7h 28m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 33 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 $405). 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 May 1, 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 May 1, 2025.
Read through reviews of airlines operating flights from Louisville to Washington, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

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 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 $122 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $138 and Sun Country Air from $155 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 $405). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$215Average$278FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$238Average$347FlexibilityNo cancel feeOn-time83%
DeltaCheapest$248Average$442FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$326Average$469FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$342Average$571FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$354Average$457FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$416Average$623FlexibilityNo cancel feeOn-time75%

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