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$396+ Cheap flights from La Crosse to Seattle (LSE - SEA)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — SEA
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheap flight deals from La Crosse to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from La Crosse (LSE) 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 agosto 14, 2025.

Round-trip from

$434
(American Airlines)

One-way from

$396
(American Airlines)
From La Crosse to Seattle/Tacoma Intl
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One-way flight from La Crosse to Seattle/Tacoma Intl
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Find flight deals from La Crosse to Seattle

Cheapest flights from La Crosse to Seattle
Explore the most affordable flight options available from La Crosse to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/11. 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.
mié. 12/245:52 amLSE - SEA
1 stop6h 58mAmerican Airlines
mié. 12/3111:45 amSEA - LSE
1 stop7h 56mAmerican Airlines
Deal found 8/11$412
This American Airlines deal was found by Cheapflights users on 8/12. 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.
jue. 10/306:00 amLSE - SEA
1 stop9h 46mAmerican Airlines
mié. 11/51:35 pmSEA - LSE
1 stop6h 27mAmerican Airlines
Deal found 8/12$434
This American Airlines deal was found by Cheapflights users on 8/12. 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.
vie. 10/246:15 pmLSE - SEA
1 stop8h 12mAmerican Airlines
lun. 10/272:52 pmSEA - LSE
1 stop6h 34mAmerican Airlines
Deal found 8/12$456
This American Airlines deal was found by Cheapflights users on 8/14. 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.
sáb. 9/206:30 pmLSE - SEA
1 stop16h 51mAmerican Airlines
vie. 9/263:00 pmSEA - LSE
1 stop16h 39mAmerican Airlines
Deal found 8/14$565

Cheapflights Fare Finder

 
Customize your flight search to find flights from La Crosse 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 2,558,603 searches. Data last updated agosto 14, 2025.
Use the filters below to find and compare flights from La Crosse to Seattle that are best for you.

Fly from

La Crosse

Fly to

Seattle

Route

Depart

Return

Price

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

jue. 10/30

6:00 am-1:46 pm

1 stop9h 46m

Seattle/Tacoma Intl

mié. 11/5

1:35 pm-10:02 pm

1 stop6h 27m

$434

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

vie. 10/24

6:15 pm-12:27 am

1 stop8h 12m

Seattle/Tacoma Intl

lun. 10/27

2:52 pm-11:26 pm

1 stop6h 34m

$456

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

sáb. 9/20

6:30 pm-9:21 am

1 stop16h 51m

Seattle/Tacoma Intl

vie. 9/26

3:00 pm-9:39 am

1 stop16h 39m

$565

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

mar. 10/14

6:00 am-1:46 pm

1 stop9h 46m

$396

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

mié. 10/15

6:15 pm-12:27 am

1 stop8h 12m

$396

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

lun. 10/13

6:15 pm-12:27 am

1 stop8h 12m

$448

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

lun. 9/15

6:39 pm-9:21 am

1 stop16h 42m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Best time to book a flight from La Crosse to Seattle

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

Related info for your journey

Find useful and relevant information for your journey from La Crosse 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 deals for flights from La Crosse to Seattle that include hotel bookings?

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

  • How can I find direct flights from La Crosse to Seattle?

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

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

    Yes. Cheapflights offers flight deals from La Crosse 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.

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

    Currently, January is the cheapest month in which you can book a flight from La Crosse to Seattle (average of $238). Flying from La Crosse to Seattle in June is currently the most expensive (average of $389). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
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Leavenworth
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Puyallup
Kent
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Shelton

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