$322+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — SEA
Oct 1 — Oct 81
Round-trip
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
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Best
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One-way
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 September 1, 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 September 1, 2026.
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Wed 9/235:22 pm -
1 stop8h 49m
Mon 9/2811:57 pm -
1 stop9h 25m
Deal found 8/28![American Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 8/29. 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 10/136:50 pm -
1 stop7h 46m
Tue 10/203:14 pm -
1 stop6h 45m
Deal found 8/29![American Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/155:22 pm -
1 stop8h 49m
Mon 9/213:41 pm -
1 stop6h 39m
Deal found 8/30![American Airlines logo]()
$383
This deal was found by Cheapflights users on 8/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:22 pm -
1 stop8h 49m
Mon 9/283:41 pm -
1 stop6h 39m
Deal found 8/29![American Airlines logo]()
$448
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Mon 9/76:00 am -
1 stop8h 34m
Tue 9/153:41 pm -
1 stop6h 39m
Deal found 8/27![American Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 8/30. 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
Sat 11/283:15 pm -
1 stop7h 05m
Deal found 8/30![American Airlines logo]()
$528
This American Airlines deal was found by Cheapflights users on 8/27. 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 9/245:22 pm -
1 stop8h 49m
Sun 9/2710:36 pm -
2 stops10h 46m
Deal found 8/27![American Airlines logo]()
$530
This American Airlines deal was found by Cheapflights users on 8/27. 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 10/116:55 pm -
1 stop7h 41m
Sun 10/183:14 pm -
1 stop6h 45m
Deal found 8/27![American Airlines logo]()
$539
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 September 1, 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 September 1, 2026.
This American Airlines deal was found by Cheapflights users on 8/31. 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 10/86:55 pm -
1 stop7h 41m
Sat 10/103:14 pm -
1 stop6h 45m
Deal found 8/31![American Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/235:22 pm -
1 stop8h 49m
Mon 9/2811:57 pm -
1 stop9h 25m
Deal found 8/31![American Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 8/28. 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 10/25:22 pm -
1 stop8h 49m
Sat 10/310:17 am -
2 stops12h 03m
Deal found 8/28![American Airlines logo]()
$450
This American Airlines deal was found by Cheapflights users on 8/29. 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 10/136:50 pm -
1 stop7h 46m
Tue 10/2010:26 am -
2 stops11h 33m
Deal found 8/29![American Airlines logo]()
$453
This American Airlines deal was found by Cheapflights users on 8/30. 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
Sat 11/283:15 pm -
1 stop7h 05m
Deal found 8/30![American Airlines logo]()
$528
Last-minute flights from La Crosse to SeattleDiscover last-minute flight deals from La Crosse to Seattle. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from La Crosse to Seattle. Data last updated September 1, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Mon 9/76:00 am -
1 stop8h 34m
Tue 9/153:41 pm -
1 stop6h 39m
Deal found 8/27![American Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 8/27. 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 9/105:22 pm -
1 stop8h 49m
Sun 9/133:41 pm -
1 stop6h 39m
Deal found 8/27![American Airlines logo]()
$555
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 September 1, 2026.
Search for one-way flight options from La Crosse to Seattle. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This American Airlines deal was found by Cheapflights users on 8/31. 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 10/317:04 am -
1 stop10h 39m
Deal found 8/31![American Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 8/27. 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 10/1812:23 pm -
1 stop9h 52m
Deal found 8/27![American Airlines logo]()
$373
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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $348 (American Airlines) |
One-way from | $322 (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 September 1, 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
Quickest round-trip
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Thu 10/8
6:55 pm-12:36 am
1 stop7h 41m
Seattle/Tacoma Intl
Sat 10/10
3:14 pm-11:59 pm
1 stop6h 45m
$348
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Wed 9/23
5:22 pm-12:11 am
1 stop8h 49m
Seattle/Tacoma Intl
Mon 9/28
11:57 pm-11:22 am
1 stop9h 25m
$348
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Fri 10/2
5:22 pm-12:11 am
1 stop8h 49m
Seattle/Tacoma Intl
Sat 10/3
10:17 am-12:20 am
2 stops12h 03m
$450
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Tue 10/13
6:50 pm-12:36 am
1 stop7h 46m
Seattle/Tacoma Intl
Tue 10/20
10:26 am-11:59 pm
2 stops11h 33m
$453
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Tue 11/24
6:50 pm-12:42 am
1 stop7h 52m
Seattle/Tacoma Intl
Sat 11/28
3:15 pm-12:20 am
1 stop7h 05m
$528
Cheapest one-way
Quickest one-way
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Sun 10/18
12:23 pm-8:15 pm
1 stop9h 52m
$373
La CrosseSeattle
LSE La Crosse - SEA Seattle/Tacoma Intl
LSESEA
La Crosse
Sat 10/31
12:23 pm-9:57 pm
2 stops11h 34m
$444
Sorted 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 September.
| 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.
Cheapflights Insights
Everything you need to know about your flight from La Crosse to Seattle
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 September 1, 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
Crew
7.9
Entertainment
6.8
Boarding
7.5
Overall
7.1
Food
6.4
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Comfort
7.2
Crew
7.9
Entertainment
6.8
Boarding
7.5
Overall
7.1
Food
6.4
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
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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La Crosse and Seattle flights
Browse other La Crosse and Seattle flight options. Last updated on September 1, 2026.
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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 September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$454 | FlexibilityNo cancel fee | On-time71% |