$434+ Cheap flights from La Crosse to Seattle (LSE - SEA)
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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — SEA
Dec 19 — Dec 261
1 adult, Economy
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Find cheap flights from La Crosse to Seattle 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 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 November 19, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $434 (American Airlines) |
Find flight deals from La Crosse to Seattle
Cheapest flights from La Crosse to SeattleExplore 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 November 19, 2025.
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 November 19, 2025.
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/196:00 amLSE - SEA
1 stop10h 02mAmerican Airlines
Fri 1/212:14 amSEA - LSE
1 stop7h 28mAmerican Airlines
Deal found 11/18![American Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 11/17. 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 12/36:00 amLSE - SEA
1 stop8h 38mAmerican Airlines
Fri 12/512:38 amSEA - LSE
1 stop6h 41mAmerican Airlines
Deal found 11/17![American Airlines logo]()
$486
This American Airlines deal was found by Cheapflights users on 11/17. 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 12/34:00 pmLSE - SEA
1 stop9h 25mAmerican Airlines
Sun 12/72:46 pmSEA - LSE
1 stop7h 06mAmerican Airlines
Deal found 11/17![American Airlines logo]()
$527
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 November 19, 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
Fri 12/19
6:00 am-2:02 pm
1 stop10h 02m
Seattle/Tacoma Intl
Sat 1/3
2:52 pm-11:38 pm
1 stop6h 46m
$471
La CrosseSeattle
LSE - SEA
LSESEA
La Crosse
Wed 12/3
6:00 am-12:38 pm
1 stop8h 38m
Seattle/Tacoma Intl
Fri 12/5
12:38 am-9:19 am
1 stop6h 41m
$486
La CrosseSeattle
LSE - SEA
LSESEA
La Crosse
Sat 2/14
10:03 am-9:16 pm
2 stops13h 13m
Seattle/Tacoma Intl
Wed 2/18
1:23 pm-10:22 pm
1 stop6h 59m
$508
La CrosseSeattle
LSE - SEA
LSESEA
La Crosse
Wed 12/3
4:00 pm-11:25 pm
1 stop9h 25m
Seattle/Tacoma Intl
Sun 12/7
2:46 pm-11:52 pm
1 stop7h 06m
$527
La CrosseSeattle
LSE - SEA
LSESEA
La Crosse
Thu 4/9
4:43 pm-11:05 pm
1 stop8h 22m
Seattle/Tacoma Intl
Tue 4/14
6:18 pm-10:56 am
2 stops14h 38m
$530
La CrosseSeattle
LSE - SEA
LSESEA
La Crosse
Fri 12/12
6:10 pm-11:25 pm
1 stop7h 15m
$468
Compare providers for flights from La Crosse to Seattle
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 La Crosse to Seattle in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on La Crosse-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on La Crosse-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from La Crosse-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on La Crosse-Seattle flights, Cheapflights users trust eDreams the most. eDreams 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 La Crosse-Seattle 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 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.
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