HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Edit search

SEA - SDF
Sep 16 - Sep 23
Louisville

$104+ Cheap flights from Seattle to Louisville (SEA - SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SDF
Sep 16 — Sep 231
Mon 9/16
Mon 9/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Edit search

SEA - SDF
Sep 16 - Sep 23

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.

The best prices from Seattle/Tacoma Intl to Louisville Intl are usually found in November or January, booked 78 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap 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 September 11, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

November

Round-trip from

$211
(FareScan)

One-way from

$104
(FareScan)
Provider with most accurate pricing for Seattle/Tacoma Intl-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Louisville Intl flights.
Search Deals
High demand for flights, 21% potential price rise
Search Deals
Best time to find cheap flights, 23% potential price drop
Search Deals
From Seattle/Tacoma Intl to Louisville Intl
Search Deals
One-way flight from Seattle/Tacoma Intl to Louisville Intl
Search Deals

Cheap Seattle to Louisville flights in September & October 2024

Find cheap flight options from Seattle to Louisville specifically for the months of September and October 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,873,399 searches. Prices were last updated on September 11, 2024.
These are some of the most attractive deals on flights from Seattle to Louisville in 2024. Check back regularly for other flight deals.
This FareScan deal was found by Cheapflights users on 9/10. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/161:33 pmSEA - SDF
1 stop23h 23mSpirit Airlines
Thu 10/242:19 pmSDF - SEA
1 stop12h 51mSpirit Airlines
Deal found 9/10$211
This FareScan deal was found by Cheapflights users on 9/10. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/259:01 pmSEA - SDF
2 stops18h 19mMultiple Airlines
Mon 10/2811:05 amSDF - SEA
1 stop8h 37mMultiple Airlines
Deal found 9/10$268
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/267:19 amSEA - SDF
1 stop8h 24mAmerican Airlines
Mon 10/283:34 pmSDF - SEA
1 stop10h 51mAmerican Airlines
Deal found 9/10$315
This Delta deal was found by Cheapflights users on 9/10. 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 10/228:55 amSEA - SDF
1 stop6h 16mDelta
Wed 10/308:10 amSDF - SEA
1 stop9h 39mDelta
Deal found 9/10$342
This Southwest deal was found by Cheapflights users on 9/10. 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 10/285:40 amSEA - SDF
2 stops10h 10mSouthwest
Thu 10/312:45 pmSDF - SEA
1 stop8h 50mSouthwest
Deal found 9/10$391
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/2812:55 pmSEA - SDF
2 stops28h 31mUnited Airlines
Wed 10/307:00 amSDF - SEA
1 stop18h 46mUnited Airlines
Deal found 9/10$408
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/96:00 amSEA - SDF
1 stop8h 46mAlaska Airlines
Fri 10/113:34 pmSDF - SEA
2 stops11h 10mAlaska Airlines
Deal found 9/10$526
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/185:35 pmSEA - SDF
1 stop14h 51mSun Country Air
Mon 9/2312:20 pmSDF - SEA
1 stop7h 16mSun Country Air
Deal found 9/10$667

Seattle to Louisville 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Louisville in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,873,399 searches. Data last updated September 11, 2024.
These are some of the most attractive deals on flights from Seattle to Louisville in 2024. Check back regularly for other flight deals.
This FareScan deal was found by Cheapflights users on 9/10. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/161:33 pmSEA - SDF
1 stop23h 23mSpirit Airlines
Thu 10/242:19 pmSDF - SEA
1 stop12h 51mSpirit Airlines
Deal found 9/10$211
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/41:33 pmSEA - SDF
2 stops20h 50mMultiple Airlines
Fri 11/89:44 pmSDF - SEA
2 stops18h 37mMultiple Airlines
Deal found 9/10$258
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/267:19 amSEA - SDF
1 stop8h 24mAmerican Airlines
Mon 10/283:34 pmSDF - SEA
1 stop10h 51mAmerican Airlines
Deal found 9/10$315
This Delta deal was found by Cheapflights users on 9/10. 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 10/228:55 amSEA - SDF
1 stop6h 16mDelta
Tue 10/2911:07 amSDF - SEA
1 stop8h 06mDelta
Deal found 9/10$342
This Southwest deal was found by Cheapflights users on 9/10. 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 11/410:40 amSEA - SDF
1 stop8h 45mSouthwest
Fri 11/86:05 pmSDF - SEA
2 stops9h 20mSouthwest
Deal found 9/10$371
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/2812:55 pmSEA - SDF
2 stops28h 31mUnited Airlines
Wed 10/307:00 amSDF - SEA
1 stop18h 46mUnited Airlines
Deal found 9/10$408
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/96:00 amSEA - SDF
1 stop8h 46mAlaska Airlines
Fri 10/113:34 pmSDF - SEA
2 stops11h 10mAlaska Airlines
Deal found 9/10$526

Seattle to Louisville flights leaving soon

Find last-minute flight options from Seattle to Louisville for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,873,399 searches. Data last updated September 11, 2024.
Consider one of these great deals we found on last-minute flights from Seattle to Louisville. It's wise to confirm all flight details are correct before booking.
This FareScan deal was found by Cheapflights users on 9/10. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/199:20 pmSEA - SDF
1 stop15h 33mMultiple Airlines
Mon 9/232:20 pmSDF - SEA
2 stops24h 24mMultiple Airlines
Deal found 9/10$453
This FareScan deal was found by Cheapflights users on 9/10. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/199:20 pmSEA - SDF
1 stop15h 33mSpirit Airlines
Mon 9/238:27 pmSDF - SEA
3 stops30h 43mSpirit Airlines
Deal found 9/10$476
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/185:35 pmSEA - SDF
1 stop14h 51mSun Country Air
Mon 9/2312:20 pmSDF - SEA
1 stop7h 16mSun Country Air
Deal found 9/10$667
This Southwest deal was found by Cheapflights users on 9/10. 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 9/185:00 amSEA - SDF
2 stops14h 10mSouthwest
Wed 9/254:50 pmSDF - SEA
1 stop9h 40mSouthwest
Deal found 9/10$681
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/186:07 amSEA - SDF
1 stop7h 41mAlaska Airlines
Wed 9/255:23 pmSDF - SEA
1 stop9h 18mAlaska Airlines
Deal found 9/10$721
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/181:50 pmSEA - SDF
1 stop7h 06mAmerican Airlines
Wed 9/258:00 amSDF - SEA
1 stop7h 45mAmerican Airlines
Deal found 9/9$782
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/186:45 amSEA - SDF
2 stops12h 53mUnited Airlines
Wed 9/253:35 pmSDF - SEA
3 stops12h 18mUnited Airlines
Deal found 9/10$806
This Delta deal was found by Cheapflights users on 9/10. 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.
Fri 9/2011:05 pmSEA - SDF
1 stop7h 51mDelta
Sun 9/225:54 pmSDF - SEA
1 stop9h 04mDelta
Deal found 9/10$836

One-way flights to Louisville from Seattle

Search for one-way flight options from Seattle to Louisville. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,873,399 searches. Data last updated September 11, 2024.
Some of the best available deals we've found on one-way flights from Seattle to Louisville. Users needing a return flight from Seattle to Louisville should utilize the search form above.
This FareScan deal was found by Cheapflights users on 9/10. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/215:30 amSEA - SDF
1 stop28h 53mSpirit Airlines
Deal found 9/10$104
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/2112:26 amSEA - SDF
1 stop7h 04mAmerican Airlines
Deal found 9/10$171
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/255:30 pmSEA - SDF
1 stop14h 32mSun Country Air
Deal found 9/10$177
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/217:46 pmSEA - SDF
2 stops23h 29mUnited Airlines
Deal found 9/10$232
This Southwest deal was found by Cheapflights users on 9/10. 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 10/98:00 amSEA - SDF
2 stops9h 00mSouthwest
Deal found 9/10$234
This Delta deal was found by Cheapflights users on 9/9. 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.
Mon 9/239:45 pmSEA - SDF
1 stop9h 01mDelta
Deal found 9/9$258
This flugladen.de deal was found by Cheapflights users on 9/9. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2010:44 pmSEA - SDF
1 stop8h 58mAlaska Airlines
Deal found 9/9$415
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/231:50 pmSEA - SDF
3 stops23h 25mWestJet
Deal found 9/9$1,057

Find flights from Seattle to Louisville within your budget

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 2,873,399 searches. Data last updated September 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$211 - $526

Route

Depart

Return

Price

Seattle/Tacoma IntlLouisville Intl

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 10/16

1 stop23h 23m

Louisville Intl

Thu 10/24

1 stop12h 51m

$211

Seattle/Tacoma IntlLouisville Intl

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Mon 11/4

2 stops20h 50m

Louisville Intl

Fri 11/8

2 stops18h 37m

$258

Seattle/Tacoma IntlLouisville Intl

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Sat 10/26

1 stop8h 24m

Louisville Intl

Mon 10/28

1 stop10h 51m

$315

Seattle/Tacoma IntlLouisville Intl

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 10/22

1 stop6h 16m

Louisville Intl

Tue 10/29

1 stop8h 06m

$342

Seattle/Tacoma IntlLouisville Intl

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Mon 11/4

1 stop8h 45m

Louisville Intl

Fri 11/8

2 stops9h 20m

$371

Seattle/Tacoma IntlLouisville Intl

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Sun 11/24

1 stop9h 48m

Louisville Intl

Wed 12/4

1 stop8h 45m

$402

Seattle/Tacoma IntlLouisville Intl

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 10/9

1 stop8h 46m

Louisville Intl

Fri 10/11

2 stops11h 10m

$526

Flights are sorted by cheapest first

Deals found on 9/10

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 September.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
MytripPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
AranGrantPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
PricelinePrice Accuracy2 starsTrust Score*3 starsCancellation PolicyAirline Policy

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

Travel insights for flights from Seattle to Louisville

Get recent, data-driven insights about flights from Seattle to Louisville including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seattle to Louisville?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Louisville. Price data was last updated on September 6, 2024.

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 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Find deals

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 $79). Flying from Seattle to Louisville in June is currently the most expensive (average of $224). 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.

What is the cheapest time of day to fly from SEA to SDF?

Find hourly flight availability from Seattle to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2024.

It’s optimal to fly from Seattle to Louisville in the afternoon. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Seattle to Louisville?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Louisville. Price data was last updated on September 8, 2024.

Travelers seeking maximum savings on their Seattle to Louisville flight should consider departing on Sunday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Find deals

What are the most popular airlines that fly from Seattle to Louisville?

Our users search for these airlines the most when looking for flights from Seattle to Louisville. Data last updated on September 11, 2024.

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Seattle to Louisville.

American Airlines

American Airlines

From $299

Delta

Delta

From $306

United Airlines

United Airlines

From $376

Alaska Airlines

Alaska Airlines

From $484

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 September 11, 2024.
To help decide which airline to fly from Seattle to Louisville, see what other customers have to say about Spirit Airlines, American Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,344 reviews

Boarding

8.3

Overall

8.2

Crew

8.7

Comfort

8.1

Entertainment

7.8

Food

7.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.2
Very good
5,344 reviews
Southwest
8.2
Very good
5,344 reviews

Boarding

8.3

Overall

8.2

Crew

8.7

Comfort

8.1

Entertainment

7.8

Food

7.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,358 reviews
Southwest
8.2
Very good
5,344 reviews

Boarding

8.3

Overall

8.2

Crew

8.7

Comfort

8.1

Entertainment

7.8

Food

7.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
9,126 reviews
Southwest
8.2
Very good
5,344 reviews

Boarding

8.3

Overall

8.2

Crew

8.7

Comfort

8.1

Entertainment

7.8

Food

7.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,580 reviews
Southwest
8.2
Very good
5,344 reviews

Boarding

8.3

Overall

8.2

Crew

8.7

Comfort

8.1

Entertainment

7.8

Food

7.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.3
Good
10,000 reviews
Southwest
8.2
Very good
5,344 reviews

Boarding

8.3

Overall

8.2

Crew

8.7

Comfort

8.1

Entertainment

7.8

Food

7.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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.

  • Can I find flights from Seattle to Louisville for under $300 on Cheapflights?

    Yes, there are multiple flights from Seattle to Louisville for under $300. The cheapest flight booked recently is on Spirit Airlines for just $211, but on average you can expect to pay $346.

  • Are there last-minute flights available from Seattle to Louisville for under $500?

    There are currently 8+ open flights from Seattle to Louisville within the next 7 days for less than $500.

  • What are the cheapest airlines flying from Seattle to Louisville round-trip?

    Flying on Spirit Airlines is currently your cheapest option to Louisville, with prices starting at $211. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $315 and $342, respectively. These flights start at 58% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Louisville one-way?

    The cheapest airlines for a one-way flight from Seattle to Louisville are Spirit Airlines ($104), American Airlines ($171), and Sun Country Air ($177).

  • What does SEA to SDF mean?

    Seattle/Tacoma Intl Airport is SEA and Louisville Intl Airport is SDF. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Seattle to Louisville that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Louisville flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Louisville with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Louisville flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Louisville that include hotel bookings?

    Yes. In addition to deals on Seattle to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Louisville.

  • Can I find deals for business class flights from Seattle to Louisville?

    Yes. Cheapflights offers flight deals from Seattle to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Louisville that allow pets onboard?

    Many airlines flying from Seattle to Louisville offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Louisville?

    Yes, you can often find last-minute deals on Seattle to Louisville flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Louisville flight deals updated?

    The Seattle to Louisville flight deals you see on this page were last updated on 9/10.

  • 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 $79). Flying from Seattle to Louisville in June is currently the most expensive (average of $224). 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.

See more FAQs

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 for Seattle to Louisville
See prices for flight routes from nearby airports that may be better suited for you.

Seattle to Nashville flights
Seattle to Cincinnati flights
Portland to Nashville flights
Portland to Knoxville flights
Portland to Cincinnati flights
Portland to Louisville flights
Seattle to Knoxville flights
Spokane to Nashville flights
Seattle to Lexington flights
Seattle to Blountville flights
Portland to Lexington flights
Spokane to Cincinnati flights
Spokane to Knoxville flights
Pasco to Nashville flights
Portland to Blountville flights
Spokane to Evansville flights
Pasco to Knoxville flights
Spokane to Lexington flights
Portland to Evansville flights
Spokane to Louisville flights
Spokane to Blountville flights
Pasco to Louisville flights
Seattle to Huntington flights
Bellingham to Nashville flights
Yakima to Louisville flights
Pasco to Lexington flights
Portland to Huntington flights
Wenatchee to Nashville flights
Pullman to Nashville flights
Pasco to Cincinnati flights
Seattle to Evansville flights
Portland to Paducah flights
Seattle to Owensboro flights
Bellingham to Cincinnati flights
Walla Walla to Louisville flights
Yakima to Cincinnati flights
Pullman to Cincinnati flights
Seattle to Paducah flights
Walla Walla to Cincinnati flights