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$173+ 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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SDF
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Louisville Intl are usually found in October 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 November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

October

Round-trip from

$346
(United Airlines)

One-way from

$173
(American Airlines)
Provider with most accurate pricing for Seattle/Tacoma Intl-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Louisville Intl flights.
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High demand for flights, 20% potential price rise
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Best time to find cheap flights, 20% potential price drop
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From Seattle/Tacoma Intl to Louisville Intl
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One-way flight from Seattle/Tacoma Intl to Louisville Intl
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Find flight deals from Seattle to Louisville

Cheapest flights from Seattle to Louisville
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 November 21, 2024.

This American Airlines deal was found by Cheapflights users on 11/20. 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 12/1212:15 amSEA - SDF
1 stop7h 45mAmerican Airlines
Sun 12/155:00 amSDF - SEA
1 stop8h 48mAmerican Airlines
Deal found 11/20$360
This Delta deal was found by Cheapflights users on 11/21. 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 12/1612:50 amSEA - SDF
1 stop9h 20mDelta
Tue 12/241:58 pmSDF - SEA
1 stop9h 52mDelta
Deal found 11/21$387
This Southwest deal was found by Cheapflights users on 11/19. 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 12/410:40 amSEA - SDF
1 stop8h 45mSouthwest
Tue 12/101:55 pmSDF - SEA
2 stops12h 00mSouthwest
Deal found 11/19$456
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Wed 12/44:00 pmSEA - SDF
3 stops25h 58mSpirit Airlines
Sun 12/89:53 pmSDF - SEA
2 stops25h 33mSpirit Airlines
Deal found 11/19$476
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Wed 12/44:00 pmSEA - SDF
2 stops25h 31mMultiple Airlines
Sun 12/89:53 pmSDF - SEA
2 stops25h 33mMultiple Airlines
Deal found 11/19$479
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/46:25 amSEA - SDF
2 stops13h 01mUnited Airlines
Sun 12/83:20 pmSDF - SEA
1 stop8h 45mUnited Airlines
Deal found 11/19$521
This Alaska Airlines deal was found by Cheapflights users on 11/21. 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.
Sat 12/1411:01 amSEA - SDF
1 stop8h 03mAlaska Airlines
Sun 12/295:00 amSDF - SEA
1 stop9h 30mAlaska Airlines
Deal found 11/21$681

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 2,629,791 searches. Data last updated November 21, 2024.

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Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 1/8

12:35 pm-10:12 pm

1 stop6h 37m

Louisville Intl

Sat 1/11

3:20 pm-10:00 pm

1 stop9h 40m

$346

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Sat 1/11

9:45 am-8:06 pm

1 stop7h 21m

Louisville Intl

Sun 1/19

7:26 am-12:42 pm

1 stop8h 16m

$353

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Mon 12/16

12:50 am-1:10 pm

1 stop9h 20m

Louisville Intl

Tue 12/24

1:58 pm-8:50 pm

1 stop9h 52m

$387

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Thu 2/20

11:30 am-9:50 pm

1 stop7h 20m

Louisville Intl

Sun 2/23

7:00 am-11:20 am

1 stop7h 20m

$411

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 1/8

2:16 pm-6:40 pm

3 stops25h 24m

Louisville Intl

Sat 1/11

7:35 pm-5:00 pm

3 stops24h 25m

$432

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Sat 2/22

7:00 am-8:14 pm

2 stops10h 14m

Louisville Intl

Wed 2/26

11:50 am-4:42 pm

1 stop7h 52m

$441

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 12/4

4:00 pm-8:31 pm

2 stops25h 31m

Louisville Intl

Sun 12/8

9:53 pm-8:26 pm

2 stops25h 33m

$479

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 2/12

11:50 am-9:54 pm

1 stop7h 04m

$173

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 2/12

7:00 am-7:25 pm

2 stops9h 25m

$178

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Sat 1/4

7:00 am-5:02 pm

1 stop7h 02m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 12 results
1
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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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FareScanPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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 November 15, 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.

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 $298). Flying from Seattle to Louisville in April is currently the most expensive (average of $370). 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 November 21, 2024.

It’s optimal to fly from Seattle to Louisville in the afternoon. By choosing this option you can save up to 35% 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 November 18, 2024.

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

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 November 21, 2024.
To help decide which airline to fly from Seattle to Louisville, see what other customers have to say about United 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
8.1
Very good
5,015 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Overall

8.1

Reviews

1 / 10

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

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Overall

8.1

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Overall

8.1

Reviews

1 / 10

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

Delta
8.0
Very good
8,758 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Overall

8.1

Reviews

1 / 10

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

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Overall

8.1

Reviews

1 / 10

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

WestJet
7.3
Good
2,810 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Overall

8.1

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.

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

    Flying on United Airlines is currently your cheapest option to Louisville, with prices starting at $346. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $353 and $387, respectively. These flights start at 33% 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 American Airlines ($173), Southwest ($178), and United Airlines ($253).

  • 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.

  • 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 $298). Flying from Seattle to Louisville in April is currently the most expensive (average of $370). 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

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Top 6 airlines flying from Seattle to Louisville

Discover the top 6 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$207Average$309FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$271Average$492FlexibilityNo cancel feeOn-time71%
DeltaCheapest$281Average$532FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$352Average$641FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$376Average$598FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$485Average$762FlexibilityNo cancel feeOn-time75%
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