$156+ Cheap flights from Seattle to Louisville (SEA - SDF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SDF
Nov 29 — Dec 61
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seattle to Louisville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Louisville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to LouisvilleExplore the most affordable flight options available from Seattle to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Seattle to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/91:45 pm -
1 stop6h 17m
Thu 12/172:49 pm -
1 stop9h 01m
Deal found 10/29![Delta logo]()
$311
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:10 am -
1 stop7h 52m
Thu 12/31:10 pm -
1 stop10h 21m
Deal found 10/29![American Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:47 pm -
1 stop9h 13m
Mon 11/235:40 pm -
1 stop7h 18m
Deal found 10/27![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:09 am -
1 stop8h 21m
Thu 12/33:20 pm -
2 stops11h 24m
Deal found 10/29![United Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:00 am -
1 stop7h 02m
Fri 12/42:25 pm -
1 stop9h 36m
Deal found 10/29![United Airlines logo]()
$351
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:56 pm -
1 stop7h 42m
Mon 11/232:10 pm -
2 stops10h 09m
Deal found 10/26![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:30 am -
1 stop6h 05m
Mon 11/237:55 pm -
1 stop7h 40m
Deal found 10/26![Southwest logo]()
$359
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:59 pm -
1 stop8h 58m
Sun 12/138:05 am -
1 stop9h 33m
Deal found 10/27![Delta logo]()
$364
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:36 pm -
1 stop6h 52m
Mon 11/234:42 pm -
1 stop10h 05m
Deal found 10/29![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:39 pm -
1 stop6h 43m
Sun 12/131:21 pm -
1 stop10h 10m
Deal found 10/30![American Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:13 pm -
1 stop7h 02m
Mon 11/231:14 pm -
1 stop10h 07m
Deal found 10/26![American Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:56 pm -
1 stop7h 42m
Mon 11/232:10 pm -
2 stops10h 09m
Deal found 10/26![United Airlines logo]()
$382
Best flights from Seattle to LouisvilleDiscover carefully curated flight deals from Seattle to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Seattle to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/91:45 pm -
1 stop6h 17m
Thu 12/172:49 pm -
1 stop9h 01m
Deal found 10/29![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:00 am -
1 stop7h 02m
Fri 12/42:25 pm -
1 stop9h 36m
Deal found 10/29![United Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:30 am -
1 stop12h 35m
Mon 11/308:35 pm -
1 stop7h 45m
Deal found 10/25![Southwest logo]()
$540
This American Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:10 am -
1 stop9h 59m
Sat 11/144:10 pm -
1 stop9h 01m
Deal found 10/25![American Airlines logo]()
$573
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:05 am -
2 stops12h 55m
Thu 12/178:45 am -
2 stops16h 14m
Deal found 10/29![United Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:15 am -
2 stops14h 34m
Sun 12/139:00 am -
1 stop10h 18m
Deal found 10/28![United Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:00 pm -
1 stop8h 13m
Sat 11/1411:45 am -
1 stop7h 53m
Deal found 10/25![Delta logo]()
$573
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:05 pm -
1 stop6h 44m
Sun 12/610:25 am -
2 stops14h 33m
Deal found 10/28![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:00 am -
1 stop6h 57m
Thu 11/195:10 am -
2 stops14h 02m
Deal found 10/28![United Airlines logo]()
$567
Last-minute flights from Seattle to LouisvilleDiscover last-minute flight deals from Seattle to Louisville. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Louisville. Data last updated October 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:47 pm -
1 stop9h 13m
Mon 11/2312:40 pm -
1 stop7h 30m
Deal found 10/28![Delta logo]()
$311
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:30 am -
1 stop6h 05m
Mon 11/237:55 pm -
1 stop7h 40m
Deal found 10/26![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:05 am -
1 stop6h 17m
Mon 11/232:10 pm -
2 stops10h 09m
Deal found 10/28![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:13 pm -
1 stop7h 02m
Mon 11/231:14 pm -
1 stop10h 07m
Deal found 10/26![American Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:47 pm -
1 stop9h 13m
Mon 11/235:40 pm -
1 stop7h 18m
Deal found 10/27![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:56 pm -
1 stop7h 42m
Mon 11/232:10 pm -
2 stops10h 09m
Deal found 10/26![United Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:36 pm -
1 stop6h 52m
Mon 11/234:42 pm -
1 stop10h 05m
Deal found 10/29![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:10 am -
1 stop8h 03m
Fri 11/275:02 am -
1 stop8h 10m
Deal found 10/28![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:10 am -
1 stop7h 52m
Thu 12/31:10 pm -
1 stop10h 21m
Deal found 10/29![American Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:09 am -
1 stop8h 21m
Thu 12/33:20 pm -
2 stops11h 24m
Deal found 10/29![United Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:00 am -
1 stop7h 02m
Fri 12/42:25 pm -
1 stop9h 36m
Deal found 10/29![United Airlines logo]()
$351
One-way flights from Seattle to LouisvilleSearch for one-way flight options from Seattle to Louisville. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Seattle to Louisville. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:47 pm -
1 stop9h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Delta logo]()
$156
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:30 am -
1 stop12h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Southwest logo]()
$161
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/98:00 am -
1 stop10h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$189
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:05 am -
2 stops8h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/204:29 pm -
3 stops38h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$198
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/97:00 am -
2 stops12h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:48 pm -
3 stops36h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$263
This KAYAK deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:47 pm -
1 stop7h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![American Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:15 am -
2 stops8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:37 pm -
2 stops39h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am -
1 stop8h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![United Airlines logo]()
$287
Find flight deals from Seattle to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (Delta) |
One-way from | $156 (Delta) |
Popular in | April |
Cheapest in | January |
Average price | $555 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Seattle to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleLouisville
SEA Seattle/Tacoma Intl - SDF Louisville Intl
SEASDF
Seattle/Tacoma Intl
Thu 11/26
8:09 am-7:30 pm
1 stop8h 21m
Louisville Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$156
SeattleLouisville
SEA Seattle/Tacoma Intl - SDF Louisville Intl
SEASDF
Seattle/Tacoma Intl
Wed 11/25
11:47 pm-12:00 pm
1 stop9h 13m
Louisville Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$156
SeattleLouisville
SEA Seattle/Tacoma Intl - SDF Louisville Intl
SEASDF
Seattle/Tacoma Intl
Mon 11/23
5:30 am-9:05 pm
1 stop12h 35m
Louisville Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$161
SeattleLouisville
SEA Seattle/Tacoma Intl - SDF Louisville Intl
SEASDF
Seattle/Tacoma Intl
Wed 1/20
11:45 am-11:59 pm
1 stop9h 14m
Louisville Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
SeattleLouisville
SEA Seattle/Tacoma Intl - SDF Louisville Intl
SEASDF
Seattle/Tacoma Intl
Sat 1/9
8:00 am-9:07 pm
1 stop10h 07m
Louisville Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
Quickest round-trip
SeattleLouisville
SEA Seattle/Tacoma Intl - SDF Louisville Intl
SEASDF
Seattle/Tacoma Intl
Thu 1/21
9:10 am-8:15 pm
2 stops8h 05m
Louisville Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$194
SeattleLouisville
SEA Seattle/Tacoma Intl - SDF Louisville Intl
SEASDF
Seattle/Tacoma Intl
Mon 11/23
5:05 am-5:02 pm
2 stops8h 57m
Louisville Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$194
SeattleLouisville
SEA Seattle/Tacoma Intl - SDF Louisville Intl
SEASDF
Seattle/Tacoma Intl
Wed 11/11
7:48 pm-10:59 am
3 stops36h 11m
Louisville Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$263
SeattleLouisville
SEA Seattle/Tacoma Intl - SDF Louisville Intl
SEASDF
Seattle/Tacoma Intl
Wed 11/25
4:37 pm-10:59 am
2 stops39h 22m
Louisville Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$278
SeattleLouisville
SEA Seattle/Tacoma Intl - SDF Louisville Intl
SEASDF
Seattle/Tacoma Intl
Wed 11/11
7:00 am-6:32 pm
1 stop8h 32m
Louisville Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$287
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Seattle to Louisville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Louisville in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Seattle with our price prediction graph.
SEA-SDF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Louisville
Prices
More
How far ahead should I book a flight from Seattle to Louisville?
The price you pay for your flight from Seattle to Louisville may vary depending on when you book. For the best chance of a lower fare, look to book 43 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Seattle to Louisville?
Currently, January is the cheapest month in which you can book a flight from Seattle to Louisville (average of $339). Flying from Seattle to Louisville in April is currently the most expensive (average of $606). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Seattle to Louisville?
Airfare is below average for this route at the moment.
Seattle to Louisville flights typically cost between $381 and $629 in December.The cheapest round-trip price found within the last 5 days was $311 on Delta (Dec 9-Dec 17).
What’s the top layover airport for flights from Seattle to Louisville?
Share of 1-stop round-trip flights from Seattle to Louisville chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (MDW) – chosen by Cheapflights users on 67% of 1-stop itineraries from Seattle to Louisville on Cheapflights.
What’s the cheapest layover airport for flights from Seattle to Louisville?
Average round-trip fare for 1-stop flights from Seattle to Louisville, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Chicago (MDW) is the most affordable 1-stop option, with an average round-trip price of $483.
What’s the fastest layover option from Seattle to Louisville?
Shortest average travel time for 1-stop one-way flights from Seattle to Louisville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (MDW) have the shortest average one-way travel time for 1-stop routes: 6h 55m.
Which airport typically offers the quickest layover for flights from Seattle to Louisville?
Average layover duration for 1-stop one-way flights from Seattle to Louisville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 0h 59m.
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated October 30, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta from Seattle to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Seattle to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Elizabethtown
Jeffersonville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Louisville flight routes
Other flight options
Other flights from Seattle
Popular flights
Alternative routes for Seattle to Louisville
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Louisville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Louisville by cabin class
Find flights from Seattle to Louisville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Seattle and Louisville flights
Browse other Seattle and Louisville flight options. Last updated on October 30, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Seattle to Louisville
Discover the top 5 airlines that operate flights from Seattle to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$498 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$328 | Average$478 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$336 | Average$489 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$339 | Average$501 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$491 | Average$661 | FlexibilityNo cancel fee | On-time75% |