$145 Find Cheap Flights from Seattle to Louisville - Compare and Save

Southwest Airlines, United Airlines, Alaska Airlines, and American Airlines offer connecting flights between Seattle and Louisville through Chicago. Delta Air Lines and Sun County Airlines have a layover in Minneapolis, while Spirit Airlines is in Las Vegas.

Alaska Airlines offers priority boarding for families with young kids, so you can settle in early and stow your belongings. You can also bring onboard an FAA-approved child safety system, such as a car seat. This airline offers child-friendly amenities such as coloring books and in-flight entertainment to entertain your young one throughout the trip.

American Airlines allows you to fly economy class with one carry-on bag, such as a standard backpack, and one personal item, such as a purse or laptop bag. Also, when flying economy class on this airline, you can bring on board checked baggage not weighing more than 50 lbs. for a fee.

Delta Air Lines offers pre-boarding for passengers with disabilities, allowing you extra time to settle and receive assistance. You can also bring on board assistive devices such as wheelchairs or medical devices at no cost. Delta Air Lines also has flight attendants trained to aid passengers with disabilities throughout the flight, including meal service and communication support.

Flights from Seattle to Louisville usually depart from Seattle/Tacoma Intl (SEA) and arrive at Louisville Intl (SDF).

Three cabin classes are available on flights from Seattle to Louisville:

• Economy Class
• Business Class
• First Class

One-stop flights from Seattle to Louisville most commonly connect through:

• Chicago O'Hare Intl (ORD) - 33% of one-stop connections
• Dallas/Fort Worth (DFW) - 33% of one-stop connections
• Minneapolis St Paul (MSP) - 10% of one-stop connections
• Chicago Midway (MDW) - 9% of one-stop connections

Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

On the Seattle to Louisville route, being flexible with your departure day can save you up to 24%. Saturday is the cheapest day at $427 round-trip on average, while Friday is the most expensive at $557: a $130 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Some of the most popular sights in Louisville are Louisville Waterfront Park and Masonic Widows and Orphans Home. These are among the most viewed places in Louisville on KAYAK.

Last-minute fares on this route - booked within 2 weeks of departure - run 70% above the route average of $478. Book 20 weeks before departure for the lowest fares.

A nonstop flight from Seattle to Louisville takes 0h 00m, covering 1,939 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $299 to $2,026. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Seattle to Louisville are currently lower than usual. Average one-way flight prices are about $220, which is 31% below the typical average for this route.

Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 7h 05m, compared with 7h 13m via Chicago Midway (MDW) and 7h 37m via Chicago O'Hare Intl (ORD).

Louisville is 3 hours ahead of Seattle (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Louisville Intl Airport (SDF) hosts 5 major car rental companies, with daily rates starting from around $32 for economy cars. Top options include:
• Hertz
• Dollar
• Alamo
• Thrifty
• Budget

Round-trip flights from Seattle to Louisville range from $407 to $595, with an average of $478 over the past 12 months. Anything below $407 counts as a good deal.