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 October 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.

$224 Cheap Flights from La Crosse to Seattle in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from La Crosse to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:52 pm - 12:35 amLSE La Crosse-SEA Seattle/Tacoma Intl

7h 43m1 stop Chicago O'Hare Intl

3:10 pm - 12:18 amSEA Seattle/Tacoma Intl-LSE La Crosse

7h 08m1 stop Chicago O'Hare Intl

$368American Airlines

Fri, Nov 6 - Sun, Nov 15

12:24 pm - 8:20 pmLSE La Crosse-SEA Seattle/Tacoma Intl

9h 56m1 stop Chicago O'Hare Intl

3:10 pm - 12:18 amSEA Seattle/Tacoma Intl-LSE La Crosse

7h 08m1 stop Chicago O'Hare Intl

$368American Airlines

Thu, Nov 5 - Sun, Nov 15

6:52 pm - 12:35 amLSE La Crosse-SEA Seattle/Tacoma Intl

7h 43m1 stop Chicago O'Hare Intl

3:10 pm - 12:18 amSEA Seattle/Tacoma Intl-LSE La Crosse

7h 08m1 stop Chicago O'Hare Intl

$368American Airlines

Sat, Nov 7 - Sun, Nov 15

6:52 pm - 12:35 amLSE La Crosse-SEA Seattle/Tacoma Intl

7h 43m1 stop Chicago O'Hare Intl

3:10 pm - 12:18 amSEA Seattle/Tacoma Intl-LSE La Crosse

7h 08m1 stop Chicago O'Hare Intl

$368American Airlines

Thu, Nov 5 - Mon, Nov 16

12:23 pm - 8:15 pmLSE La Crosse-SEA Seattle/Tacoma Intl

9h 52m1 stop Chicago O'Hare Intl

3:14 pm - 11:59 pmSEA Seattle/Tacoma Intl-LSE La Crosse

6h 45m1 stop Chicago O'Hare Intl

$438American Airlines

Tue, Oct 27 - Sat, Oct 31

1:04 pm - 9:58 pmLSE La Crosse-SEA Seattle/Tacoma Intl

10h 54m2 stops Chicago O'Hare Intl Los Angeles

2:01 pm - 12:30 amSEA Seattle/Tacoma Intl-LSE La Crosse

8h 29m1 stop Chicago O'Hare Intl

$470American Airlines

Tue, Dec 22 - Thu, Dec 31

5:57 am - 4:54 pmLSE La Crosse-SEA Seattle/Tacoma Intl

12h 57m2 stops Chicago O'Hare Intl Dallas/Fort Worth

3:10 pm - 12:18 amSEA Seattle/Tacoma Intl-LSE La Crosse

7h 08m1 stop Chicago O'Hare Intl

$470American Airlines

Sat, Nov 7 - Sun, Nov 15

Cheap last minute flights

Enter your travel dates to find the best prices.

12:23 pm - 8:15 pmLSE La Crosse-SEA Seattle/Tacoma Intl

9h 52m1 stop Chicago O'Hare Intl

3:14 pm - 11:59 pmSEA Seattle/Tacoma Intl-LSE La Crosse

6h 45m1 stop Chicago O'Hare Intl

$624American Airlines

Thu, Oct 22 - Thu, Oct 29

6:50 pm - 12:36 amLSE La Crosse-SEA Seattle/Tacoma Intl

7h 46m1 stop Chicago O'Hare Intl

3:14 pm - 11:59 pmSEA Seattle/Tacoma Intl-LSE La Crosse

6h 45m1 stop Chicago O'Hare Intl

$636American Airlines

Sat, Oct 17 - Wed, Oct 21

6:50 pm - 12:36 amLSE La Crosse-SEA Seattle/Tacoma Intl

7h 46m1 stop Chicago O'Hare Intl

3:14 pm - 11:59 pmSEA Seattle/Tacoma Intl-LSE La Crosse

6h 45m1 stop Chicago O'Hare Intl

$636American Airlines

Sat, Oct 17 - Sat, Oct 24

6:58 am - 2:17 pmLSE La Crosse-SEA Seattle/Tacoma Intl

9h 19m1 stop Chicago O'Hare Intl

3:14 pm - 11:59 pmSEA Seattle/Tacoma Intl-LSE La Crosse

6h 45m1 stop Chicago O'Hare Intl

$636American Airlines

Sat, Oct 17 - Tue, Oct 20

6:58 am - 2:17 pmLSE La Crosse-SEA Seattle/Tacoma Intl

9h 19m1 stop Chicago O'Hare Intl

3:14 pm - 11:59 pmSEA Seattle/Tacoma Intl-LSE La Crosse

6h 45m1 stop Chicago O'Hare Intl

$690American Airlines

Sat, Oct 17 - Fri, Oct 23

6:50 pm - 12:36 amLSE La Crosse-SEA Seattle/Tacoma Intl

7h 46m1 stop Chicago O'Hare Intl

3:14 pm - 11:59 pmSEA Seattle/Tacoma Intl-LSE La Crosse

6h 45m1 stop Chicago O'Hare Intl

$690American Airlines

Sat, Oct 17 - Sun, Oct 18

6:50 pm - 12:36 amLSE La Crosse-SEA Seattle/Tacoma Intl

7h 46m1 stop Chicago O'Hare Intl

3:14 pm - 11:59 pmSEA Seattle/Tacoma Intl-LSE La Crosse

6h 45m1 stop Chicago O'Hare Intl

$714American Airlines

Sat, Oct 17 - Mon, Oct 19

6:58 am - 2:17 pmLSE La Crosse-SEA Seattle/Tacoma Intl

9h 19m1 stop Chicago O'Hare Intl

10:26 am - 11:59 pmSEA Seattle/Tacoma Intl-LSE La Crosse

11h 33m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$720American Airlines

Sat, Oct 17 - Sat, Oct 24

6:50 pm - 12:36 amLSE La Crosse-SEA Seattle/Tacoma Intl

7h 46m1 stop Chicago O'Hare Intl

7:10 am - 11:59 pmSEA Seattle/Tacoma Intl-LSE La Crosse

14h 49m2 stops Los Angeles Chicago O'Hare Intl

$720American Airlines

Sat, Oct 17 - Wed, Oct 21

6:58 am - 2:17 pmLSE La Crosse-SEA Seattle/Tacoma Intl

9h 19m1 stop Chicago O'Hare Intl

10:26 am - 11:59 pmSEA Seattle/Tacoma Intl-LSE La Crosse

11h 33m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$720American Airlines

Sat, Oct 17 - Thu, Oct 22

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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

Nov 5

LSE6:52 pmLa Crosse

7h 43m

1 stop

SEA12:35 amSeattle/Tacoma Intl

Nov 16

SEA3:10 pmSeattle/Tacoma Intl

7h 08m

1 stop

LSE12:18 amLa Crosse

$368

American Airlines

Oct 27

LSE12:23 pmLa Crosse

9h 52m

1 stop

SEA8:15 pmSeattle/Tacoma Intl

Oct 31

SEA3:14 pmSeattle/Tacoma Intl

6h 45m

1 stop

LSE11:59 pmLa Crosse

$438

American Airlines

Nov 7

LSE5:57 amLa Crosse

12h 57m

2 stops

SEA4:54 pmSeattle/Tacoma Intl

Nov 15

SEA3:10 pmSeattle/Tacoma Intl

7h 08m

1 stop

LSE12:18 amLa Crosse

$470

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 11/6

6:52 pm-12:35 am

1 stop7h 43m

Seattle/Tacoma Intl

Sun 11/15

3:10 pm-12:18 am

1 stop7h 08m

$368

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Thu 11/5

12:24 pm-8:20 pm

1 stop9h 56m

Seattle/Tacoma Intl

Sun 11/15

3:10 pm-12:18 am

1 stop7h 08m

$368

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Sat 11/7

6:52 pm-12:35 am

1 stop7h 43m

Seattle/Tacoma Intl

Sun 11/15

3:10 pm-12:18 am

1 stop7h 08m

$368

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Thu 11/5

6:52 pm-12:35 am

1 stop7h 43m

Seattle/Tacoma Intl

Mon 11/16

3:10 pm-12:18 am

1 stop7h 08m

$368

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Tue 10/27

12:23 pm-8:15 pm

1 stop9h 52m

Seattle/Tacoma Intl

Sat 10/31

3:14 pm-11:59 pm

1 stop6h 45m

$438

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Tue 12/22

1:04 pm-9:58 pm

2 stops10h 54m

Seattle/Tacoma Intl

Thu 12/31

2:01 pm-12:30 am

1 stop8h 29m

$470

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Sat 11/7

5:57 am-4:54 pm

2 stops12h 57m

Seattle/Tacoma Intl

Sun 11/15

3:10 pm-12:18 am

1 stop7h 08m

$470

Cheapest one-way

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Thu 11/5

10:21 am-3:12 pm

2 stops30h 51m

$224

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Thu 11/5

10:21 am-3:12 pm

3 stops54h 51m

$261

Quickest one-way

La CrosseSeattle

LSE La Crosse - SEA Seattle/Tacoma Intl

LSESEA

La Crosse

Thu 11/5

12:24 pm-8:20 pm

1 stop9h 56m

$383

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted 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 typical for flights on this route.

Typical prices usually range from $368 to $752.
The lowest price recently found on this route was $368.

What is the cheapest month to fly to Seattle?

In general, March 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 March, then you should wait until September to fly from La Crosse, when ticket prices are also cheap, with an average price of $348.

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	$224
Fastest flight time	9h 52m
Direct flights	None

The best one-way flight to Seattle from La Crosse in the past 72 hours is $224. The best round-trip flight deal from La Crosse to Seattle found on momondo in the last 72 hours is $368.

The fastest flight from La Crosse to Seattle takes 9h 52m

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 9h 52m.
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 October 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 7.0 12,169 reviews		Search American Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Redmond

Olympia

Kent

Federal Way

Lakewood

Lynnwood

Puyallup

Tukwila

Fife

Cle Elum

Marysville

Lacey

Kirkland

Centralia

Shoreline

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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.