$123 Cheap Flights from Louisville to Seattle

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Change your flight without a fee on select flights

Find The Best Dates To Fly from Louisville Intl. to Seattle - Tacoma Intl.

Amazing SDF to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $250 round trip and $123 one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from Louisville Intl. Airport (SDF) to Sea-Tac Airport right now?
Be sure to check out the Covid-19 Travel Advisor to discover if there are any current travel advice reports or quarantine requirements in effect in Sea-Tac Airport when flying from Louisville Muhammad Ali Intl. Airport.
Are there direct flights from Louisville Muhammad Ali Intl. Airport to SEA?
American Airlines, United Airlines and Delta will get you to Seattle from Louisville with just one stopover. Unfortunately, there are no direct flights between Louisville Intl. Airport (SDF) and Sea-Tac Airport as yet.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Sea-Tac Airport, please visit our Customer Service Portal.
How long is the flight from SDF to Seattle - Tacoma Intl. Airport (SEA)?
The travel time between SDF and Sea-Tac Airport is typically around 6 hours and 52 minutes. Make your trip enjoyable by saving a few podcasts on your phone or laptop and enjoying them with your seat fully reclined.
What is the flight distance from Louisville Intl. Airport (SDF) to Sea-Tac Airport?
Between Louisville Intl. Airport (SDF) and Sea-Tac Airport, the flight distance is about 1,950 mi. So, fasten your seat belt and get comfortable. You have some important decisions to make — watch some television, read your novel or catch forty winks?
What airlines fly from Louisville Intl. Airport (SDF) to SEA?
Unfortunately, there aren’t any airlines that fly direct from SDF to Sea-Tac Airport. But don’t let that discourage you from going. Use any stopover as an opportunity to have a shop, check out the local fare and potentially find the next city to add to your bucket list.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Alaska Airlines, Delta or Southwest Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.


Traveling From Louisville Intl.
Traveling To Seattle - Tacoma Intl.
Shortest Flight Time hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price $250

Route Info

Flight path for flights from Louisville International Airport to Seattle-Tacoma International Airport

1,951.00 miles

Airlines & Aircraft Used on SDF to SEA Flight Routes

Airline Carrier
American Airlines
Embraer EMB.110 Bandeirnate
United Airlines
Boeing 737-800 (winglets) pax

Discover our best flights from Louisville SDF to Seattle SEA. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 


Find our best return flights from Louisville SDF to Seattle SEA at the right price  

Airfares to Seattle SEA from Louisville SDF currently cost between $250 and $309. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 


Book one-way flights from Louisville SDF to Seattle SEA 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Louisville SDF to Seattle SEA on Travelocity starting at $123. Prices and availability subject to change. Additional terms may apply. 


Get to Seattle SEA from Louisville SDF quicker with direct flights. 

Get to Seattle faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SEA from SDF to take around hour(s) min(s).  


Find our cheapest airfares for flights from Louisville SDF to Seattle SEA

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SEA from SDF. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  


Get our best airfare deals for your flight from Louisville SDF to Seattle SEA today 

If you’re flexible about when you travel, January is usually the cheapest month to fly from Louisville SDF to Seattle SEA. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 


Book flexible airline tickets for flights to Seattle SEA from Louisville SDF 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SEA from SDF have this option.  


Travel with confidence when you book flights to Seattle SEA from Louisville SDF with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.