Cheap Flight Tickets from Louisville (SDF) to Seattle (SEA), Starting at $656

Good to Know: Cheapest and Fastest SDF - SEA Flights

Useful information for finding best airline tickets from Louisville International Standiford Field to Seattle Tacoma International on your next trip.

Cheapest Round Trip Flight

$656

WN Southwest Airlines • 2 stops • 17h 35m

May 28 – Jun 07

The cheapest round trip flight from Louisville to Seattle (SDF-SEA-SDF) is currently $656

🔍 Search Flights

Fastest Flight

10h 50m

The fastest nonstop flight from Louisville to Seattle (SDF-SEA) takes 10h 50m

Latest Flight Deals from Louisville (SDF) to Seattle (SEA)

Compare and book low fare round-trip air tickets from Louisville to Seattle. Ideal for travelers with confirmed return itineraries.

May 28 - Jun 07, Economy
WN
Louisville → Seattle
17h 35m
3:05 PM - 11:00 PM • 2 stops
WN
Louisville → Seattle
10h 25m
5:30 AM - 2:55 PM • 1 stop
Southwest Airlines
May 28 - Jun 07, Economy
AS
Louisville → Seattle
17h 5m
11:05 AM - 6:30 PM • 2 stops
AS
Louisville → Seattle
12h 8m
8:32 AM - 7:00 PM • 1 stop
Alaska Airlines
May 28 - Jun 07, Economy
AA
Louisville → Seattle
13h 43m
7:18 PM - 12:41 AM • 1 stop
AA
Louisville → Seattle
12h 17m
11:58 PM - 10:35 AM • 1 stop
American Airlines
May 28 - Jun 07, Economy
WN
Louisville → Seattle
10h 50m
8:15 PM - 12:05 AM • 1 stop
WN
Louisville → Seattle
10h 15m
11:55 AM - 9:10 PM • 1 stop
Southwest Airlines
May 28 - Jun 07, Economy
AA
Louisville → Seattle
15h 57m
6:02 PM - 12:59 AM • 1 stop
AA
Louisville → Seattle
12h 17m
11:58 PM - 10:35 AM • 1 stop
American Airlines
May 28 - Jun 07, Economy
AA
Louisville → Seattle
14h 13m
1:16 PM - 7:09 PM • 1 stop
AA
Louisville → Seattle
12h 17m
11:58 PM - 10:35 AM • 1 stop
American Airlines

Fly from Louisville to Seattle with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Louisville to Seattle? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Louisville to Seattle Flights

What are the airports in Louisville?
SDF
What’s the most popular airline flying from SDF to SEA?
The most popular airline flying from Louisville to Seattle are
Can I fly from SDF to SEA non-stop?
NO
Which airlines fly nonstop between Louisville and Seattle?
The non-stop flights between Louisville and Seattle are .
What’s the earliest departure time from SDF to SEA Airport?
The earliest flight leaves SDF at 11:05 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Louisville to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SDF to SEA?
Read the fare rules of the Louisville to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Louisville and Seattle?
operate flights between Louisville and Seattle
How long does a flight from Louisville to Seattle take?
It takes approximately 5 hour to fly non-stop from SDF to SEA, which is 1944.89 miles by air.
Which airlines provide the cheapest flights from Louisville (SDF) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from SDF were found on AS : USD 704
Do I need a passport to fly between SDF and SEA?
No
What’s the latest departure time from SDF to SEA ?
The last flight leaves SDF at 8:15 pm

Essential Information for Booking Flights from Louisville (SDF) - AI Insights

What's the cheapest airline from sdf to sea?
For a round-trip First class ticket from Louisville International Standiford Field (sdf) to Seattle Tacoma International (sea) with 2 passengers, booking at least 56 days in advance, you can expect to find the cheapest airline tickets with Delta Airlines (DL). Look for budget-friendly flights with airfares that include savings on airfare, airfares, and affordable options via our website for your July or December trip.
What's the popular airline to fly from sdf to sea?
Delta Airlines offers a luxurious First class experience on flights from Louisville International Standiford Field (sdf) to Seattle Tacoma International (sea), with a round trip journey that includes two stops. Booking in advance is recommended, as Delta Airlines typically offers the best prices 56 days prior to departure. For a premium travel experience, consider booking a First class ticket with Delta Airlines for a comfortable and enjoyable flight.
What's the cheapest day of the week to fly from sdf to sea?
The cheapest day to fly from Louisville International Standiford Field (sdf) to Seattle Tacoma International (sea) is Wednesday. Flying on this day can result in budget-friendly flights for your round-trip journey. Keep in mind that booking in advance is key, so make sure to book at least 56 days prior to your trip to secure the best airfares. This can help you find cheap airline tickets and make the most of your travel plans.
What's the cheapest month to fly from sdf to sea?
The cheapest month to fly from Louisville International Standiford Field (sdf) to Seattle Tacoma International (sea) is December, which is a popular month for travel. For a luxury experience, consider booking a First cabin suite with fine dining, as it offers a high level of comfort and service. To find the best airfare deals, book at least 56 days in advance and be flexible with your travel dates.
Which airline/airlines fly from sdf to sea?
Several airlines operate flights from Louisville International Standiford Field (sdf) to Seattle Tacoma International (sea), including Delta Air Lines and American Airlines. For a luxurious First-class experience with suites and fine dining, consider booking with Delta. Given the 2-stop route and advance booking period of 56 days, it's recommended to book in advance to secure the best options. To find the cheapest flights, use fare comparison websites like fareleaders.com.
What is the cheapest airline to fly from Louisville International Standiford Field to Seattle Tacoma International for a round trip journey?
Delta Airlines (DL) offers the cheapest flights from Louisville International Standiford Field to Seattle Tacoma International for a round trip journey.
How far in advance can I book flights for a 2-person First cabin luxury suite on a specific airline?
It is recommended to book flights at least 56 days in advance for a 2-person First cabin luxury suite.
Can I find the best airfare deals on Milwaukee flights to save money on my July travel plans?
Yes, you can save money on airfares by booking flights for Milwaukee in July.
How do I book flights on a specific airline's website for the best experience?
You can book flights on a specific airline's website by following their booking process and using their preferred payment method.
What are the most popular airlines for busco flights to föights destinations?
Delta Airlines (DL) is the most popular airline for busco flights to föights destinations.
Can I save money on airfares by booking in advance for my viajar travel plans?
Yes, booking flights in advance can help you save money on airfares.

Louisville (SDF) to Seattle (SEA): Airport Information

Origin Airport Louisville International Standiford Field, Louisville, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance 1945 miles

More Flight Options for Louisville (SDF) and Seattle (SEA)

Why Fareleaders for SDF to SEA Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Louisville to Seattle flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on SDF to SEA flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Louisville to Seattle flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Louisville (SDF) to Seattle (SEA)
Terms and Conditions*