Cheap Flights from Seattle to Louisville Muhammad Ali International

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      Compare Seattle to Louisville Muhammad Ali International flight deals

      Find the cheapest month or even day of the year to fly to Louisville Muhammad Ali International

      Book the best Louisville Muhammad Ali International fare with no extra fees

      Flight deals from Seattle to Louisville Muhammad Ali International

      Looking for a cheap last-minute deal or the best return flight from Seattle to Louisville Muhammad Ali International Airport? If you want to travel next month, return fares start from $519. Find the lowest prices on one-way and return tickets right here.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Seattle to Louisville Muhammad Ali International found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from Seattle to Louisville Muhammad Ali International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Louisville Muhammad Ali International flights are currently cheapest in October.

      Seattle to Louisville Muhammad Ali International: Alternative routes

      Compare routes from Seattle to Louisville below. You may find an airport to fly into that's cheaper, faster, or easier than Louisville Muhammad Ali International.

      Seattle to Louisville: Flight information

      The things to know before you go.
      Cheapest flight found$519
      Cheapest month to flyOctober

      Finding cheap flights from Seattle to Louisville Muhammad Ali International: Frequently asked questions

      The best price we found for a return flight from Seattle to Louisville Muhammad Ali International is $519. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Seattle to Louisville Muhammad Ali International. But we found flights with one stop from $519.
      As of September 2026, there are no flights flying from Seattle to Louisville Muhammad Ali International.
      The cheapest month to fly from Seattle to Louisville Muhammad Ali International is usually October.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Louisville Muhammad Ali International Airport on Tuesday, 6 October 2026.
      No airlines currently offer direct flights between Seattle and Louisville Muhammad Ali International Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Louisville Muhammad Ali International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Louisville is around 40 days in advance, so don’t leave your flight to the last minute.

      The cheapest airline that flies to Louisville Muhammad Ali International is United .

      Flying from Seattle to Louisville Muhammad Ali International Airport (SDF): What you need to know

      • Louisville Muhammad Ali International Airport is located in Louisville. The city follows the UTC-5 timezone and is three hours ahead of Seattle.

      • To ensure you catch your flight from Seattle to SDF, leave enough time for things like baggage drop and finding your gate. Arriving two hours before international departures and one hour before domestic flights is the general travel rule.

      • Hopping on a plane during a peak month like July? High seasons (like Thanksgiving, Christmas and New Year) can add another hour at check-in and security. Be extra cautious and arrive up to four hours before an international flight and two hours before domestic departures.

      Airports in Seattle

      Seattle-Tacoma International Airport (SEA)

      • The journey from central Seattle to SEA takes around 35 minutes by public transport. If you ride-share, drive or grab a taxi, you'll cover the 23 kilometres in 25 minutes or so, depending on traffic.

      • Want a stress-free start to your holiday? Stay near Seattle-Tacoma International Airport. Whether you're boarding an early flight from Seattle to Louisville Muhammad Ali International Airport or aren't a fan of being rushed, these hotels are just what you're after:

      • Seattle-Tacoma International Airport has an excellent on-time performance, reducing the likelihood of delays. Departures from SEA land on schedule 80% of the time.

      Seattle Paine Field International Airport (PAE)

      • PAE is around 40 kilometres from central Seattle. It takes 40 minutes or so to get to the airport in a car from the city centre. Public transport takes roughly 1 hour 30 minutes.

      • Want to enjoy an extra night away before boarding your Seattle to SDF flight? Check in to a hotel near Seattle Paine Field International Airport before your holiday officially starts. These stays are expecting you:

      • Seattle Paine Field International Airport has a strong track record for reliability and timeliness. 80% of flights leaving here keep to their planned arrival schedule.

      About Louisville Muhammad Ali International Airport (SDF)

      Getting from Louisville Muhammad Ali International Airport (SDF) to central Louisville

      • From Louisville Muhammad Ali International Airport, central Louisville is around 16 kilometres away. It takes about 20 minutes to reach the city centre by car.

      • When travelling by public transport, expect a journey of around 55 minutes.

      How to find the cheapest flights from Seattle to Louisville Muhammad Ali International Airport (SDF)

      • The cheapest price we've found for a one-way ticket from Seattle to Louisville Muhammad Ali International Airport is $259. For a return flight on this route, the best price is $519. Depending on when and how early you book, these fares can change.

      • To find cheap flights from Seattle to SDF, book early. Airlines tend to offer the most competitive fares when flights are first released.

      • If you're flexible with your travel plans, use the 'Whole month' tool. It'll show you the cheapest price across each month when searching for your Seattle to Louisville Muhammad Ali International Airport ticket.

      • Stay on top of deals for plane tickets from Seattle to SDF by creating a Price Alert. We'll send you an email or notification on the app when a lower fare pops up.

      • Filters make it easier to dig up a deal for your flight from Seattle to Louisville Muhammad Ali International Airport. Pick the airlines, flight times and stops that work for you. Then sort the results by 'Cheapest' to find the lowest price right away.

      The best time to fly from Seattle to Louisville Muhammad Ali International Airport (SDF)

      • December is the quietest month for flights from Seattle to Louisville Muhammad Ali International Airport (SDF), while June is the busiest. Work out the ideal time to visit Louisville based on whether you like a bustling atmosphere or a more laid-back vibe.

      • Before locking in your Seattle to SDF plane ticket, consider what kind of weather you prefer. July is the warmest month in Louisville, with temperatures ranging from 17ºC to 33ºC.

      • If you want to travel in cooler conditions, look for a cheap ticket from Seattle to Louisville Muhammad Ali International Airport in January when temperatures are between -8ºC and 9ºC.

      More about Louisville

      Explore more of the United States

      • You've done Louisville, now it's time to discover other corners of the United States. Journey about 306 kilometres northeast to Columbus to tick off its top attractions. From Franklin Park Conservatory and Botanical Gardens to Whetstone Park / Park of Roses and Ohio Theatre, your itinerary will be busy.

      • Around 177 kilometres north of Louisville, Indianapolis is another essential stop in the United States. Experience the best of this destination with a visit to Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.