Washington

$193+ Cheap flights from Louisville (SDF) to Washington

SDF — SEA
Dec 11 — Dec 181
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Cheap flight deals from Louisville to Washington

Cheapest flights from Louisville to Washington

Wed 12/97:11 am -
1 stop10h 33m
Tue 12/156:00 am -
1 stop8h 19m
Deal found 11/9$385
Sat 12/51:59 pm -
2 stops10h 22m
Sat 12/125:05 am -
1 stop6h 12m
Deal found 11/7$390
Thu 12/36:00 am -
1 stop9h 06m
Wed 12/91:16 pm -
1 stop6h 49m
Deal found 11/9$400
Tue 12/13:27 pm -
1 stop10h 52m
Wed 12/912:39 pm -
1 stop8h 04m
Deal found 11/6$400
Wed 12/97:35 pm -
1 stop7h 00m
Thu 2/410:40 am -
2 stops11h 15m
Deal found 11/8$405
Thu 12/244:38 pm -
1 stop10h 17m
Wed 12/3011:14 pm -
1 stop9h 36m
Deal found 11/10$415
Tue 12/226:00 pm -
1 stop7h 32m
Thu 12/315:00 am -
2 stops10h 47m
Deal found 11/10$420
Tue 12/110:25 am -
1 stop8h 53m
Wed 12/95:05 am -
2 stops8h 34m
Deal found 11/6$429
Wed 12/236:56 pm -
1 stop7h 59m
Tue 12/2911:14 pm -
1 stop8h 33m
Deal found 11/9$432
Thu 12/244:38 pm -
1 stop10h 17m
Thu 12/3111:14 pm -
1 stop9h 36m
Deal found 11/10$435
Sun 12/1310:13 am -
1 stop8h 45m
Wed 12/165:10 am -
1 stop10h 02m
Deal found 11/9$441
Thu 12/177:05 am -
1 stop8h 01m
Sat 12/1910:43 pm -
1 stop9h 44m
Deal found 11/8$467

Find flight deals from Louisville to Washington

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$385
(Delta)

One-way from

$193
(Delta)

Popular in

June

Cheapest in

February

Average price

$414
Provider with most accurate pricing for Louisville Intl-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Louisville Intl-Seattle/Tacoma Intl flights.
From Louisville Intl to Washington
One-way flight from Louisville Intl to Washington
Highest demand for flights based on searches. 13% potential increase in price ($73 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Louisville to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSpokane

SDF Louisville Intl - GEG Spokane

SDFGEG

Louisville Intl

Wed 12/23

6:03 am-10:57 am

1 stop7h 54m

Spokane

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$193

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Wed 12/16

3:20 pm-9:21 pm

1 stop9h 01m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$193

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Tue 12/22

8:35 pm-1:20 am

1 stop7h 45m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$193

LouisvilleSpokane

SDF Louisville Intl - GEG Spokane

SDFGEG

Louisville Intl

Tue 12/22

6:53 am-12:14 pm

1 stop8h 21m

Spokane

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$193

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Wed 2/17

9:37 am-6:15 pm

2 stops11h 38m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$198

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Mon 12/14

1:59 pm-9:21 pm

2 stops10h 22m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$213

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Mon 12/14

8:47 am-3:43 pm

3 stops57h 56m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$231
Quickest round-trip

LouisvilleSpokane

SDF Louisville Intl - GEG Spokane

SDFGEG

Louisville Intl

Fri 12/25

6:00 pm-10:30 pm

1 stop7h 30m

Spokane

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$233

LouisvilleSpokane

SDF Louisville Intl - GEG Spokane

SDFGEG

Louisville Intl

Wed 12/23

7:15 pm-1:20 am

2 stops9h 05m

Spokane

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$248

LouisvilleSeattle

SDF Louisville Intl - SEA Seattle/Tacoma Intl

SDFSEA

Louisville Intl

Fri 12/18

8:35 pm-1:20 am

1 stop7h 45m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 40 resultsSorted by cheapest first
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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

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, February is the cheapest month in which you can book a flight from Louisville to State of Washington (average of $385). Flying from Louisville to State of Washington in June is currently the most expensive (average of $571). 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.

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

Airfare is typical for this route at the moment.
Louisville to State of Washington flights typically cost between $343 and $515 in January.
The cheapest round-trip price found within the last 5 days was $385 on Delta (Jan 23-Jan 26).

How far ahead should I book a flight from Louisville to State of Washington?

The price you pay for your flight from Louisville to State of Washington may vary depending on when you book. For the best chance of a lower fare, look to book 40 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Washington

Read through reviews of airlines operating flights from Louisville to Washington, such as Southwest,Alaska Airlines, andDelta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

  • 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.

  • How long is the flight from Louisville to State of Washington?

    United Airlines, Southwest, and Delta can get you from Louisville to State of Washington in just under 7h 07m. Your travel time can differ by up to 1h 43m. There are 1939 mi between Louisville and State of Washington. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $173 on United Airlines. Other airlines that offer cheap prices include Southwest from $177 and American Airlines from $179 one-way.

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

  • 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, February is the cheapest month in which you can book a flight from Louisville to State of Washington (average of $385). Flying from Louisville to State of Washington in June is currently the most expensive (average of $571). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Louisville to Washington

Top 5 airlines flying from Louisville to Washington

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$187Average$459FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$585FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$359Average$500FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$372Average$518FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$430Average$747FlexibilityNo cancel feeOn-time75%

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