What is the cheapest airline that flies from La Crosse to Seattle/Tacoma Intl?

American Airlines is the most popular carrier operating from La Crosse to Seattle/Tacoma Intl

When did momondo last update prices for flights from La Crosse Airport to Seattle/Tacoma Intl Airport?

Prices for flights from La Crosse Airport to Seattle/Tacoma Intl Airport refresh daily.

How many operators does momondo search for flights from La Crosse Airport to Seattle/Tacoma Intl Airport?

There is 1 operator available for flights from La Crosse Airport to Seattle/Tacoma Intl Airport as of August 2026.

How old do you have to be to fly from La Crosse Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from La Crosse Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$348 Cheap Flights from La Crosse to Seattle in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from La Crosse to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:22 pm - 12:11 amLSE La Crosse-SEA Seattle/Tacoma Intl

8h 49m1 stop Chicago O'Hare Intl

3:41 pm - 12:20 amSEA Seattle/Tacoma Intl-LSE La Crosse

6h 39m1 stop Chicago O'Hare Intl

$348American Airlines

Fri, Sep 18 - Mon, Sep 21

5:22 pm - 12:11 amLSE La Crosse-SEA Seattle/Tacoma Intl

8h 49m1 stop Chicago O'Hare Intl

11:57 pm - 11:22 amSEA Seattle/Tacoma Intl-LSE La Crosse

9h 25m1 stop Chicago O'Hare Intl

$348American Airlines

Thu, Sep 24 - Mon, Sep 28

5:22 pm - 12:11 amLSE La Crosse-SEA Seattle/Tacoma Intl

8h 49m1 stop Chicago O'Hare Intl

11:57 pm - 11:22 amSEA Seattle/Tacoma Intl-LSE La Crosse

9h 25m1 stop Chicago O'Hare Intl

$348American Airlines

Mon, Sep 14 - Mon, Sep 21

5:22 pm - 12:11 amLSE La Crosse-SEA Seattle/Tacoma Intl

8h 49m1 stop Chicago O'Hare Intl

3:41 pm - 12:20 amSEA Seattle/Tacoma Intl-LSE La Crosse

6h 39m1 stop Chicago O'Hare Intl

$348American Airlines

Thu, Sep 17 - Mon, Sep 21

5:22 pm - 12:11 amLSE La Crosse-SEA Seattle/Tacoma Intl

8h 49m1 stop Chicago O'Hare Intl

3:41 pm - 12:20 amSEA Seattle/Tacoma Intl-LSE La Crosse

6h 39m1 stop Chicago O'Hare Intl

$348American Airlines

Mon, Sep 14 - Mon, Sep 21

5:22 pm - 12:11 amLSE La Crosse-SEA Seattle/Tacoma Intl

8h 49m1 stop Chicago O'Hare Intl

11:57 pm - 11:22 amSEA Seattle/Tacoma Intl-LSE La Crosse

9h 25m1 stop Chicago O'Hare Intl

$348American Airlines

Wed, Sep 23 - Mon, Sep 28

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American Airlines flights from La Crosse to Seattle

Our best American Airlines deals on La Crosse to Seattle flight tickets

American Airlines

Sep 23

LSE5:22 pmLa Crosse

8h 49m

1 stop

SEA12:11 amSeattle/Tacoma Intl

Sep 28

SEA11:57 pmSeattle/Tacoma Intl

9h 25m

1 stop

LSE11:22 amLa Crosse

$348

American Airlines

Sep 6

LSE5:26 pmLa Crosse

8h 47m

1 stop

SEA12:13 amSeattle/Tacoma Intl

Sep 10

SEA3:41 pmSeattle/Tacoma Intl

6h 39m

1 stop

LSE12:20 amLa Crosse

$414

American Airlines

Sep 23

LSE12:02 pmLa Crosse

11h 50m

2 stops

SEA9:52 pmSeattle/Tacoma Intl

Sep 28

SEA3:41 pmSeattle/Tacoma Intl

6h 39m

1 stop

LSE12:20 amLa Crosse

$432

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Fri 9/18

5:22 pm-12:11 am

1 stop8h 49m

Seattle/Tacoma Intl

Mon 9/21

3:41 pm-12:20 am

1 stop6h 39m

$348

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Thu 9/24

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

Mon 9/14

5:22 pm-12:11 am

1 stop8h 49m

Seattle/Tacoma Intl

Mon 9/21

11:57 pm-11:22 am

1 stop9h 25m

$348

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Thu 9/17

5:22 pm-12:11 am

1 stop8h 49m

Seattle/Tacoma Intl

Mon 9/21

3:41 pm-12:20 am

1 stop6h 39m

$348

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Mon 9/14

5:22 pm-12:11 am

1 stop8h 49m

Seattle/Tacoma Intl

Mon 9/21

3:41 pm-12:20 am

1 stop6h 39m

$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

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

Sun 10/18

12:23 pm-8:15 pm

1 stop9h 52m

$423

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Sun 10/18

7:04 am-4:48 pm

2 stops11h 44m

$459

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Sun 10/18

7:04 am-4:48 pm

2 stops11h 44m

$509

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from La Crosse to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between La Crosse and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from $366 to $458.
The lowest price recently found on this route was $348.

What is the cheapest month to fly to Seattle?

In general, December is the cheapest month to fly from La Crosse to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Seattle in December, then you should wait until March to fly from La Crosse, when ticket prices are also cheap, with an average price of $0.

When to book flights from La Crosse to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from La Crosse to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap La Crosse to Seattle (LSE to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from La Crosse to Seattle

Best Price Found	$373
Fastest flight time	8h 49m
Direct flights	None

The best one-way flight to Seattle from La Crosse in the past 72 hours is $373. The best round-trip flight deal from La Crosse to Seattle found on momondo in the last 72 hours is $348.

The fastest flight from La Crosse to Seattle takes 8h 49m

There are no direct flights from La Crosse to Seattle. There are no popular flight routes from La Crosse to Seattle.

Search flight deals

Frequently asked questions about flying from La Crosse to Seattle

How far is La Crosse to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 1511.9 mi away from La Crosse. By plane, this route typically takes 8h 49m.
When did momondo last update prices for flights from La Crosse Airport to Seattle/Tacoma Intl Airport?
Prices for flights from La Crosse Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from La Crosse Airport to Seattle/Tacoma Intl Airport?
There is 1 operator available for flights from La Crosse Airport to Seattle/Tacoma Intl Airport as of August 2026.
How old do you have to be to fly from La Crosse Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from La Crosse Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from La Crosse to Seattle?
momondo data reveals that the most frequently booked airline on the route from La Crosse to Seattle is American Airlines, representing 100% of all bookings.

Best airlines flying from La Crosse to Seattle

Compare and see reviews for airlines that fly from La Crosse to Seattle with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $338	Free Cancellation	Rating 7.1 11,981 reviews		Search American Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Kent

Olympia

Lynnwood

Redmond

Lakewood

Federal Way

Puyallup

Fife

Tukwila

Cle Elum

Marysville

Kirkland

Lacey

Shoreline

Centralia

Why use momondo?

Why should I use momondo to find a flight deal from La Crosse to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from La Crosse to Seattle for you.

Can I find flights from La Crosse to Seattle with flexible booking policies on momondo?

Yes. All flights to Seattle from La Crosse on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from La Crosse to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from La Crosse to Seattle.

I’m not ready to book a flight from La Crosse to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from La Crosse are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.