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Cheap Flights from Louisville to Seattle, WA, United States - SDF to SEA Last modified: May 25, 2016 1:40 PM

Popular flights from Louisville to Seattle Last modified: May 25, 2016 1:40 PM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Aug 29, 2016 Sep 10, 2016 $626
Sep 6, 2016 Sep 13, 2016 $626
Sep 7, 2016 Sep 14, 2016 $626
Sep 9, 2016 Sep 17, 2016 $626
American Airlines
Departure Date Return Date Lowest Price
Sep 6, 2016 Sep 13, 2016 $411
United Airlines
Departure Date Return Date Lowest Price
Aug 23, 2016 Sep 1, 2016 $370
Aug 25, 2016 Aug 29, 2016 $370
Aug 29, 2016 Sep 10, 2016 $370
Sep 4, 2016 Sep 9, 2016 $370
Sep 7, 2016 Sep 14, 2016 $370

How Much Does it Cost to Fly from Louisville to Seattle (SDF to SEA)?

We have collected flight cost data from across the web for travel from Louisville to Seattle, and have found the average flight price for this trip to be $414.

When Can I Buy the Cheapest Flight from Louisville to Seattle (SDF to SEA)?

Airlines can adjust prices for plane tickets from Louisville to Seattle based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from Louisville to Seattle

The chart below shows up-to-date information regarding the cheapest days to fly from Louisville to Seattle.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$431 $370 $390 $390 $431 $460 $420

Lowest Fares Chart By Month from Louisville to Seattle

The chart below shows the lowest fare by month when flying from Louisville to Seattle.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May Louisville Seattle United 5/31/16 6/1/16 1 $529
June Louisville Seattle United 6/14/16 6/21/16 2 $454
July Louisville Seattle United 7/5/16 7/12/16 2 $445
August Louisville Seattle United 8/23/16 9/1/16 1 $370
September Louisville Seattle United 9/4/16 9/9/16 1 $370
October Louisville Seattle American 10/14/16 10/18/16 1 $410
November Louisville Seattle United 11/14/16 11/21/16 1 $384
December Louisville Seattle American 12/5/16 12/8/16 1 $449

Round Trip vs One Way Flights from Louisville to Seattle (SDF to SEA)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Louisville to Seattle. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Louisville to Seattle is $233.

The average price for round trip flights from Louisville to Seattle is $512.

Louisville to Seattle Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Louisville to Seattle?
Answer: Denver, CO

Airlines Flying from Louisville to Seattle (SDF to SEA) Number of flights searched: 173Last modified: May 25, 2016 1:41 PM

Below are the different airlines that fly from Louisville to Seattle with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Louisville to Seattle.

Louisville to Seattle
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American ORD X X X X X X X
Delta ATL X X X X X X X
United ORD X X X X X X X
Southwest MDW X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Louisville and Seattle, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Louisville - SDF

FlightsAirlineLowest Price
Louisville to Portland American, Alaska, United $388

Cheap International Flights from Louisville - SDF

FlightsAirlineLowest Price
Louisville to Vancouver American, Air Canada, Alaska, United, WestJet $402

Cheap Domestic Flights to Seattle - SEA

FlightsAirlineLowest Price
Nashville to Seattle American, Alaska, Frontier, United $305
Indianapolis to Seattle American, Alaska, Frontier, United $244
Columbus to Seattle American, Alaska, Frontier, United $319
Cincinnati to Seattle American, Alaska, Frontier, United $309
Dayton to Seattle American, Alaska, United $346
Knoxville to Seattle American, Alaska, Frontier, United $388
Lexington to Seattle American, Alaska, United $372
Evansville to Seattle American, United $372
Huntington to Seattle American $433
Champaign to Seattle American $412
Nashville to Portland American, Alaska, JetBlue, Frontier, United $244
Indianapolis to Portland American, Alaska, Frontier, United $244
Columbus to Portland American, Alaska, Frontier, United $278
Cincinnati to Portland American, Alaska, Frontier, United $274
Nashville to Los Angeles American, Alaska, Frontier, United $259
Dayton to Portland American, Alaska, United $366
Knoxville to Portland American, Alaska, Frontier, United $383
Nashville to Las Vegas American, Alaska, Frontier, United $244
Indianapolis to Las Vegas American, Alaska, Frontier, United $244
Columbus to Los Angeles American, Alaska, Frontier, United $273
Nashville to Bellingham Alaska $531

Cheap International Flights to Seattle - SEA

FlightsAirlineLowest Price
Nashville to Vancouver American, Air Canada, Alaska, JetBlue, Frontier, Spirit, United, Virgin America, WestJet $282
Indianapolis to Vancouver American, Air Canada, Alaska, Frontier, United, WestJet $388
Cincinnati to Vancouver American, Air Canada, Alaska, Frontier, Allegiant, Public Charters, United, WestJet $369
Columbus to Vancouver American, Air Canada, Alaska, Frontier, United, WestJet $345
Dayton to Vancouver American, Air Canada, Alaska, United, WestJet $339
Knoxville to Vancouver American, Air Canada, Alaska, United, WestJet $394
Nashville to Victoria American, Air Canada, Alaska, United, WestJet $317
Cheap Flights from Louisville to Seattle, WA, United States, from $370 Round trip from SDF to SEA