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Cheap flights from Louisville to Seattle (SDF - SEA) from $113

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 7/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SDF — SEA
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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The best prices from Louisville Intl to Seattle/Tacoma Intl are usually found in October or January, booked 37 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Louisville to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Seattle (SEA). 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 June 6, 2024.

Popular in

June

Cheapest in

October

Round-trip from

$247

One-way from

$217
High demand for flights, 16% potential price rise
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Best time to find cheap flights, 26% potential price drop
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From Louisville Intl to Seattle/Tacoma Intl
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One-way flight from Louisville Intl to Seattle/Tacoma Intl
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What is the cheapest day to fly round-trip from Louisville to Seattle?

Wednesday flights are found to be more expensive to fly from Louisville to Seattle. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

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

Users have found that booking a flight from Louisville to Seattle at least 38 days early can save you up to 186% on average compared to booking a flight this week. If booking 38 days before your flight isn’t an option for you, users have found flights from Louisville to Seattle for as little as $347 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $770 for flights departing within the next 3 days.

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

October can be a great time to fly to Seattle from Louisville with a flight ticket averaging about $481. Cheapflights users have found deals in the month of October for as cheap as $185. The most expensive prices can be found in the month of June.

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

A simple way to save on the total cost of your ticket is to fly from Louisville to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight at noon.

Cheap Louisville to Seattle flights in June & July 2024

Find cheap flight options from Louisville to Seattle specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Listed are some of the best fares we've found on flights departing from Louisville to Seattle in 2024. Check back soon for alternative fares.
Wed 6/268:42 pmSDF - SEA
1 stop14h 50mSpirit Airlines
Wed 7/39:28 amSEA - SDF
1 stop7h 14mSpirit Airlines
Deal found 6/5$227
Mon 6/178:42 pmSDF - SEA
1 stop15h 17mSpirit Airlines
Tue 6/259:41 pmSEA - SDF
1 stop19h 01mSpirit Airlines
Deal found 6/5$238
Mon 6/248:42 pmSDF - SEA
1 stop15h 17mSpirit Airlines
Mon 7/19:28 amSEA - SDF
1 stop7h 14mSpirit Airlines
Deal found 6/5$245
Mon 7/228:26 pmSDF - SEA
2 stops22h 49mSpirit Airlines
Fri 7/265:10 amSEA - SDF
1 stop11h 16mSpirit Airlines
Deal found 6/5$263
Sun 7/218:09 pmSDF - SEA
1 stop23h 06mSpirit Airlines
Sun 7/289:21 pmSEA - SDF
1 stop19h 05mSpirit Airlines
Deal found 6/5$267
Wed 7/248:43 pmSDF - SEA
2 stops22h 32mSpirit Airlines
Sat 7/275:10 amSEA - SDF
1 stop11h 45mSpirit Airlines
Deal found 6/4$269
Mon 7/158:26 pmSDF - SEA
2 stops22h 49mSpirit Airlines
Fri 7/195:10 amSEA - SDF
1 stop11h 16mSpirit Airlines
Deal found 6/5$280
Mon 7/228:26 pmSDF - SEA
3 stops22h 49mSpirit Airlines
Fri 7/265:10 amSEA - SDF
1 stop11h 16mSpirit Airlines
Deal found 6/5$286
Fri 6/288:42 pmSDF - SEA
1 stop19h 30mSpirit Airlines
Sun 6/308:59 pmSEA - SDF
1 stop19h 43mSpirit Airlines
Deal found 6/5$298

Louisville to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Louisville and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Listed are some of the best fares we've found on flights departing from Louisville to Seattle in 2024. Check back soon for alternative fares.
Wed 6/268:42 pmSDF - SEA
1 stop14h 50mSpirit Airlines
Wed 7/39:28 amSEA - SDF
1 stop7h 14mSpirit Airlines
Deal found 6/5$227
Fri 9/135:20 pmSDF - SEA
1 stop27h 17mSpirit Airlines
Sun 9/229:50 pmSEA - SDF
1 stop15h 40mSpirit Airlines
Deal found 6/5$233
Sun 8/185:21 pmSDF - SEA
1 stop19h 42mSpirit Airlines
Sat 8/247:23 pmSEA - SDF
1 stop18h 08mSpirit Airlines
Deal found 6/5$238
Mon 6/248:42 pmSDF - SEA
1 stop15h 17mSpirit Airlines
Mon 7/19:28 amSEA - SDF
1 stop7h 14mSpirit Airlines
Deal found 6/5$245
Mon 7/228:26 pmSDF - SEA
2 stops22h 49mSpirit Airlines
Fri 7/265:10 amSEA - SDF
1 stop11h 16mSpirit Airlines
Deal found 6/5$263
Sun 7/218:09 pmSDF - SEA
1 stop23h 06mSpirit Airlines
Sun 7/289:21 pmSEA - SDF
1 stop19h 05mSpirit Airlines
Deal found 6/5$267
Wed 7/248:43 pmSDF - SEA
2 stops22h 32mSpirit Airlines
Sat 7/275:10 amSEA - SDF
1 stop11h 45mSpirit Airlines
Deal found 6/4$269
Fri 8/3012:20 pmSDF - SEA
1 stop13h 31mMultiple Airlines
Mon 9/95:00 pmSEA - SDF
1 stop17h 30mMultiple Airlines
Deal found 6/5$270
Mon 8/196:59 pmSDF - SEA
2 stops22h 55mSpirit Airlines
Sat 8/247:23 pmSEA - SDF
1 stop18h 08mSpirit Airlines
Deal found 6/5$273

Louisville to Seattle flights leaving soon

Find last-minute flight options from Louisville to Seattle 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 3,050,429 searches. Data last updated June 6, 2024.
Users seeking a last-minute flight from Louisville to Seattle should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Sat 6/158:42 pmSDF - SEA
1 stop14h 50mSpirit Airlines
Wed 6/199:28 amSEA - SDF
1 stop7h 14mSpirit Airlines
Deal found 6/6$425
Thu 6/1310:26 amSDF - SEA
1 stop6h 44mDelta
Sun 6/231:55 pmSEA - SDF
1 stop7h 18mDelta
Deal found 6/6$772
Sat 6/158:30 amSDF - SEA
1 stop7h 01mAmerican Airlines
Tue 6/181:14 amSEA - SDF
1 stop9h 40mAmerican Airlines
Deal found 6/6$816
Sat 6/159:00 amSDF - SEA
2 stops11h 37mUnited Airlines
Wed 6/1911:05 amSEA - SDF
1 stop8h 13mUnited Airlines
Deal found 6/6$821
Thu 6/135:55 amSDF - SEA
1 stop9h 57mAmerican Airlines
Sat 6/2212:20 amSEA - SDF
1 stop6h 54mAmerican Airlines
Deal found 6/6$886
Thu 6/1311:00 amSDF - SEA
2 stops13h 20mUnited Airlines
Sun 6/235:05 amSEA - SDF
1 stop14h 13mUnited Airlines
Deal found 6/6$1,011

One-way flights to Seattle from Louisville

Search for one-way flight options from Louisville to Seattle. 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 3,050,429 searches. Data last updated June 6, 2024.
Users in need of a one-way flight from Louisville to Seattle can choose from these deals. Those seeking round-trip flights from Louisville to Seattle should utilize the search form at the the top of the page.
Mon 7/298:26 pmSDF - SEA
1 stop7h 09mSpirit Airlines
Deal found 6/6$113
Wed 6/268:42 pmSDF - SEA
1 stop14h 50mSpirit Airlines
Deal found 6/5$119
Wed 7/108:43 pmSDF - SEA
1 stop26h 47mSpirit Airlines
Deal found 6/4$125
Mon 7/298:26 pmSDF - SEA
2 stops22h 49mSpirit Airlines
Deal found 6/6$131
Wed 7/105:45 amSDF - SEA
2 stops21h 50mSpirit Airlines
Deal found 6/4$147
Wed 6/266:39 pmSDF - SEA
2 stops16h 53mSpirit Airlines
Deal found 6/5$153
Fri 6/288:42 pmSDF - SEA
1 stop19h 30mSpirit Airlines
Deal found 6/4$160
Wed 6/265:45 amSDF - SEA
3 stops29h 47mSpirit Airlines
Deal found 6/6$164
Wed 6/265:45 amSDF - SEA
3 stops29h 47mSpirit Airlines
Deal found 6/5$170

Find flights from Louisville to Seattle within your budget

Customize your flight search to find flights from Louisville to Seattle 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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$227 - $582

Route

Depart

Return

Price

Louisville IntlSeattle/Tacoma Intl

SDF - SEA

SDFSEA

Louisville Intl

Wed 6/26

1 stop14h 50m

Seattle/Tacoma Intl

Wed 7/3

1 stop7h 14m

$227

Louisville IntlSeattle/Tacoma Intl

SDF - SEA

SDFSEA

Louisville Intl

Fri 9/13

1 stop27h 17m

Seattle/Tacoma Intl

Sun 9/22

1 stop15h 40m

$233

Louisville IntlSeattle/Tacoma Intl

SDF - SEA

SDFSEA

Louisville Intl

Sun 8/18

1 stop19h 42m

Seattle/Tacoma Intl

Sat 8/24

1 stop18h 08m

$238

Louisville IntlSeattle/Tacoma Intl

SDF - SEA

SDFSEA

Louisville Intl

Mon 6/24

1 stop15h 17m

Seattle/Tacoma Intl

Mon 7/1

1 stop7h 14m

$245

Louisville IntlSeattle/Tacoma Intl

SDF - SEA

SDFSEA

Louisville Intl

Fri 8/30

1 stop13h 31m

Seattle/Tacoma Intl

Mon 9/9

1 stop17h 30m

$270

Louisville IntlSeattle/Tacoma Intl

SDF - SEA

SDFSEA

Louisville Intl

Wed 10/23

1 stop13h 31m

Seattle/Tacoma Intl

Sat 10/26

1 stop13h 09m

$295

Louisville IntlSeattle/Tacoma Intl

SDF - SEA

SDFSEA

Louisville Intl

Thu 7/4

1 stop10h 08m

Seattle/Tacoma Intl

Thu 7/11

1 stop9h 25m

$392

Louisville IntlSeattle/Tacoma Intl

SDF - SEA

SDFSEA

Louisville Intl

Fri 7/26

1 stop10h 25m

Seattle/Tacoma Intl

Sat 8/3

1 stop8h 48m

$531

Louisville IntlSeattle/Tacoma Intl

SDF - SEA

SDFSEA

Louisville Intl

Tue 6/18

1 stop8h 56m

Seattle/Tacoma Intl

Thu 6/20

1 stop9h 23m

$582

Flights are sorted by cheapest first

Deals found on 6/5

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

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Seattle. Price data was last updated on May 31, 2024.
The best time to book flights from Louisville to Seattle is 37 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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What is the cheapest day to fly from Louisville to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Louisville to Seattle. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Louisville to Seattle flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Louisville to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Louisville 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.

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

41 - 66.2 °F

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated June 6, 2024.
Peruse reviews from past customers who have flown with Spirit Airlines, American Airlines and United Airlines from Louisville to Seattle to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Alaska Airlines
8.1
Very good
9,222 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Delta
8.0
Very good
10,368 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

United Airlines
7.4
Good
10,696 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

American Airlines
7.3
Good
14,227 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Spirit Airlines
6.4
Okay
8,567 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Seattle. 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 Louisville to Seattle for under $300 on Cheapflights?

    Yes, there are multiple flights from Louisville to Seattle for under $300. The cheapest flight booked recently is on Spirit Airlines for just $227, but on average you can expect to pay $275.

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

    There are currently 6+ open flights from Louisville to Seattle within the next 7 days for less than $500.

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

    Spirit Airlines, at $227, was found to be the cheapest airline from Louisville to Seattle. An alternate airline flying to your destination would be American Airlines. Spirit Airlines is 52% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $113 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $188 and United Airlines from $239 one-way.

  • What does SDF to SEA mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Louisville Intl Airport to Seattle/Tacoma Intl Airport flight would often be abbreviated as a SDF to SEA flight.

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

    The amount of baggage you can bring on your Louisville to Seattle 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 Louisville to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Louisville to Seattle 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 Louisville to Seattle that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to Seattle 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 Louisville to Seattle that allow pets onboard?

    Many airlines flying from Louisville to Seattle 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 Louisville to Seattle?

    Yes, you can often find last-minute deals on Louisville to Seattle 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 Louisville to Seattle flight deals updated?

    The Louisville to Seattle flight deals you see on this page were last updated on 6/5.

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

    The most popular airlines flying from Louisville to Seattle are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

  • What is the cheapest month to book a flight from Louisville to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Louisville to Seattle (average of $247). Flying from Louisville to Seattle in July is currently the most expensive (average of $406). 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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Alternative routes for Louisville to Seattle
See prices for flight routes from nearby airports that may be better suited for you.

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Top 6 airlines flying from Louisville to Seattle

Discover the top 6 airlines that operate flights from Louisville to Seattle. 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$156Average$261FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$233Average$348FlexibilityNo cancel feeOn-time83%
DeltaCheapest$316Average$507FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$324Average$516FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$325Average$544FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$484Average$675FlexibilityNo cancel feeOn-time75%
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Search flights from Louisville to Seattle by cabin class

Find flights from Louisville to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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