$368+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — SEA
Nov 1 — Nov 81
Round-trip
1 adult, Economy
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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
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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 October 2, 2026.
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 October 2, 2026.
This American Airlines deal was found by Cheapflights users on 9/30. 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 10/2212:23 pm -
1 stop9h 52m
Sat 10/243:14 pm -
1 stop6h 45m
Deal found 9/30![American Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/166:55 pm -
1 stop7h 41m
Wed 10/213:14 pm -
1 stop6h 45m
Deal found 9/28![American Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/146:50 pm -
1 stop7h 46m
Sun 10/183:14 pm -
1 stop6h 45m
Deal found 9/29![American Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/2712:23 pm -
1 stop9h 52m
Tue 11/33:10 pm -
1 stop7h 08m
Deal found 9/29![American Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Tue 10/2012:23 pm -
2 stops11h 34m
Sat 10/243:14 pm -
1 stop6h 45m
Deal found 9/28![American Airlines logo]()
$470
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Tue 11/246:50 pm -
1 stop7h 52m
Fri 11/275:10 am -
2 stops11h 10m
Deal found 9/30![American Airlines logo]()
$550
This American Airlines deal was found by Cheapflights users on 9/30. 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 10/15:53 am -
1 stop8h 57m
Mon 10/53:14 pm -
1 stop6h 45m
Deal found 9/30![American Airlines logo]()
$598
This American Airlines deal was found by Cheapflights users on 9/30. 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 10/227:04 am -
1 stop10h 39m
Fri 10/2311:59 pm -
1 stop16h 21m
Deal found 9/30![American Airlines logo]()
$605
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Tue 10/206:50 pm -
1 stop16h 41m
Fri 10/2311:59 pm -
1 stop16h 21m
Deal found 9/30![American Airlines logo]()
$620
Best flights from La Crosse to SeattleDiscover carefully curated flight deals from La Crosse to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2026.
Discover carefully curated flight deals from La Crosse to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2026.
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Tue 10/206:50 pm -
1 stop7h 46m
Sat 10/243:14 pm -
1 stop6h 45m
Deal found 9/28![American Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 10/1. 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 10/2212:23 pm -
1 stop9h 52m
Sat 10/243:14 pm -
1 stop6h 45m
Deal found 10/1![American Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 9/30. 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 1/2812:29 pm -
1 stop9h 44m
Wed 2/310:17 am -
1 stop7h 40m
Deal found 9/30![American Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/166:55 pm -
1 stop7h 41m
Wed 10/213:14 pm -
1 stop6h 45m
Deal found 9/28![American Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/146:50 pm -
1 stop7h 46m
Sun 10/183:14 pm -
1 stop6h 45m
Deal found 9/29![American Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 10/2. 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 10/176:50 pm -
1 stop7h 46m
Wed 10/213:14 pm -
1 stop6h 45m
Deal found 10/2![American Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 9/29. 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 12/1112:09 pm -
1 stop10h 22m
Wed 12/1611:21 am -
2 stops11h 09m
Deal found 9/29![American Airlines logo]()
$470
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/2712:23 pm -
1 stop9h 52m
Tue 11/36:00 am -
2 stops10h 16m
Deal found 9/29![American Airlines logo]()
$470
Last-minute flights from La Crosse to SeattleDiscover last-minute flight deals from La Crosse to Seattle. Data last updated October 2, 2026 and is based on user searches.
Discover last-minute flight deals from La Crosse to Seattle. Data last updated October 2, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/146:50 pm -
1 stop7h 46m
Sun 10/183:14 pm -
1 stop6h 45m
Deal found 9/29![American Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/166:55 pm -
1 stop7h 41m
Wed 10/213:14 pm -
1 stop6h 45m
Deal found 9/28![American Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 10/2. 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 10/1712:23 pm -
2 stops11h 34m
Wed 10/216:00 am -
2 stops10h 20m
Deal found 10/2![American Airlines logo]()
$598
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Tue 10/2012:23 pm -
2 stops11h 34m
Sat 10/243:14 pm -
1 stop6h 45m
Deal found 9/28![American Airlines logo]()
$470
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Tue 10/206:50 pm -
1 stop16h 41m
Fri 10/2311:59 pm -
1 stop16h 21m
Deal found 9/30![American Airlines logo]()
$620
This American Airlines deal was found by Cheapflights users on 9/30. 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 10/2212:23 pm -
1 stop9h 52m
Sat 10/243:14 pm -
1 stop6h 45m
Deal found 9/30![American Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 9/30. 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 10/227:04 am -
1 stop10h 39m
Fri 10/2311:59 pm -
1 stop16h 21m
Deal found 9/30![American Airlines logo]()
$605
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/2712:23 pm -
1 stop9h 52m
Tue 11/33:10 pm -
1 stop7h 08m
Deal found 9/29![American Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Tue 11/246:50 pm -
1 stop7h 52m
Fri 11/275:10 am -
2 stops11h 10m
Deal found 9/30![American Airlines logo]()
$550
One-way flights from La Crosse to SeattleSearch for one-way flight options from La Crosse to Seattle. Find affordable one-way fares based on user searches. Data last updated October 2, 2026.
Search for one-way flight options from La Crosse to Seattle. Find affordable one-way fares based on user searches. Data last updated October 2, 2026.
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/277:04 am -
1 stop9h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![American Airlines logo]()
$383
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/146:50 pm -
1 stop7h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![American Airlines logo]()
$448
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Sun 10/186:55 pm -
1 stop7h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![American Airlines logo]()
$463
Find 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 October 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $368 (American Airlines) |
Popular in | May |
Cheapest in | September |
Average price | $348 |
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 7,457,451 searches. Data last updated October 2, 2026.
Use the filters below to find and compare flights from La Crosse to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Tue 10/20
6:50 pm-12:36 am
1 stop7h 46m
Seattle/Tacoma Intl
Sat 10/24
3:14 pm-11:59 pm
1 stop6h 45m
$368
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Thu 10/22
12:23 pm-8:15 pm
1 stop9h 52m
Seattle/Tacoma Intl
Sat 10/24
3:14 pm-11:59 pm
1 stop6h 45m
$368
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Thu 1/28
12:29 pm-8:13 pm
1 stop9h 44m
Seattle/Tacoma Intl
Wed 2/3
10:17 am-7:57 pm
1 stop7h 40m
$368
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Tue 10/27
7:04 am-2:17 pm
1 stop9h 13m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$383
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Fri 10/16
6:55 pm-12:36 am
1 stop7h 41m
Seattle/Tacoma Intl
Wed 10/21
3:14 pm-11:59 pm
1 stop6h 45m
$403
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Wed 10/14
6:50 pm-12:36 am
1 stop7h 46m
Seattle/Tacoma Intl
Sun 10/18
3:14 pm-11:59 pm
1 stop6h 45m
$438
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Sat 10/17
6:50 pm-12:36 am
1 stop7h 46m
Seattle/Tacoma Intl
Wed 10/21
3:14 pm-11:59 pm
1 stop6h 45m
$438
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Wed 10/14
6:50 pm-12:36 am
1 stop7h 46m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$448
Quickest round-trip
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Sun 10/18
6:55 pm-12:36 am
1 stop7h 41m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$463
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Fri 12/11
12:09 pm-8:31 pm
1 stop10h 22m
Seattle/Tacoma Intl
Wed 12/16
11:21 am-12:30 am
2 stops11h 09m
$470
Showing 1-10 of 11 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on La Crosse-Seattle flight deals on Cheapflights vs. FlightHub >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 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 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.
LSE-SEA
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.
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 October 2, 2026.
Read through reviews of airlines operating flights from La Crosse to Seattle, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.2
Entertainment
6.8
Crew
7.9
Food
6.4
Overall
7.0
Boarding
7.4
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Comfort
7.2
Entertainment
6.8
Crew
7.9
Food
6.4
Overall
7.0
Boarding
7.4
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Marysville
Lakewood
Fife
Poulsbo
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La Crosse and Seattle flights
Browse other La Crosse and Seattle flight options. Last updated on October 2, 2026.
Other flights from La Crosse
Browse through other flights departing from La Crosse. Flights are based on user searches made on Cheapflights and were last updated on October 2, 2026.
Popular flight searches
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Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 2, 2026.
Top airline flying from La Crosse to Seattle
Discover the top airline that operate flights from La Crosse 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 7,457,451 searches. Data last updated October 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$458 | FlexibilityNo cancel fee | On-time71% |