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 June 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.

$303 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 am

LSE

SEA

8h 49m

1 stop

11:57 pm - 11:22 am

SEA

LSE

9h 25m

1 stop

$338American Airlines

Wed, Sep 23 - Mon, Sep 28

5:20 pm - 11:35 pm

LSE

SEA

8h 15m

1 stop

3:35 pm - 12:22 am

SEA

LSE

6h 47m

1 stop

$369American Airlines

Thu, Aug 6 - Wed, Aug 12

5:20 pm - 11:35 pm

LSE

SEA

8h 15m

1 stop

3:35 pm - 12:22 am

SEA

LSE

6h 47m

1 stop

$399American Airlines

Thu, Aug 20 - Wed, Aug 26

5:57 pm - 12:52 am

LSE

SEA

8h 55m

1 stop

3:35 pm - 12:22 am

SEA

LSE

6h 47m

1 stop

$430American Airlines

Tue, Aug 4 - Tue, Aug 11

5:22 pm - 12:11 am

LSE

SEA

8h 49m

1 stop

11:57 pm - 11:22 am

SEA

LSE

9h 25m

1 stop

$433American Airlines

Thu, Sep 10 - Sun, Sep 13

6:19 pm - 12:14 am

LSE

SEA

7h 55m

1 stop

1:17 am - 9:23 am

SEA

LSE

6h 06m

1 stop

$438American Airlines

Tue, Oct 20 - Fri, Oct 23

5:54 am - 2:52 pm

LSE

SEA

10h 58m

2 stops

11:57 pm - 11:22 am

SEA

LSE

9h 25m

1 stop

$440American Airlines

Wed, Sep 23 - Mon, Sep 28

6:19 pm - 12:14 am

LSE

SEA

7h 55m

1 stop

1:17 am - 9:23 am

SEA

LSE

6h 06m

1 stop

$453American Airlines

Thu, Oct 22 - Sat, Oct 24

5:20 pm - 11:35 pm

LSE

SEA

8h 15m

1 stop

11:00 am - 12:22 am

SEA

LSE

11h 22m

2 stops

$467American Airlines

Thu, Aug 6 - Wed, Aug 12

5:57 pm - 12:52 am

LSE

SEA

8h 55m

1 stop

11:00 am - 12:22 am

SEA

LSE

11h 22m

2 stops

$471American Airlines

Tue, Aug 4 - Tue, Aug 11

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United Airlines flights from La Crosse to Seattle

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

United Airlines

Oct 27

LSE6:45 pmLa Crosse

22h 46m

1 stop

SEA3:31 pmSeattle/Tacoma Intl

Oct 31

SEA11:03 pmSeattle/Tacoma Intl

18h 00m

1 stop

LSE7:03 pmLa Crosse

$665

United Airlines

Oct 27

LSE6:45 pmLa Crosse

25h 46m

2 stops

SEA6:31 pmSeattle/Tacoma Intl

Oct 31

SEA7:00 amSeattle/Tacoma Intl

12h 24m

1 stop

LSE9:24 pmLa Crosse

$668

United Airlines

Oct 27

LSE6:45 pmLa Crosse

23h 42m

2 stops

SEA4:27 pmSeattle/Tacoma Intl

Oct 31

SEA12:20 pmSeattle/Tacoma Intl

28h 43m

2 stops

LSE7:03 pmLa Crosse

$673

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

$338

American Airlines

Aug 21

LSE5:20 pmLa Crosse

8h 39m

1 stop

SEA11:59 pmSeattle/Tacoma Intl

Aug 28

SEA5:50 amSeattle/Tacoma Intl

9h 00m

1 stop

LSE4:50 pmLa Crosse

$399

American Airlines

Aug 4

LSE5:57 pmLa Crosse

8h 55m

1 stop

SEA12:52 amSeattle/Tacoma Intl

Aug 11

SEA3:35 pmSeattle/Tacoma Intl

6h 47m

1 stop

LSE12:22 amLa Crosse

$409

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

La CrosseSeattle

LSE - SEA

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

$338

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Thu 8/6

5:20 pm-11:35 pm

1 stop8h 15m

Seattle/Tacoma Intl

Wed 8/12

3:35 pm-12:22 am

1 stop6h 47m

$369

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Thu 8/20

5:20 pm-11:35 pm

1 stop8h 15m

Seattle/Tacoma Intl

Wed 8/26

3:35 pm-12:22 am

1 stop6h 47m

$399

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Tue 8/4

5:57 pm-12:52 am

1 stop8h 55m

Seattle/Tacoma Intl

Tue 8/11

3:35 pm-12:22 am

1 stop6h 47m

$430

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Thu 9/10

5:22 pm-12:11 am

1 stop8h 49m

Seattle/Tacoma Intl

Sun 9/13

11:57 pm-11:22 am

1 stop9h 25m

$433

Quickest round-trip

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Tue 10/20

6:19 pm-12:14 am

1 stop7h 55m

Seattle/Tacoma Intl

Fri 10/23

1:17 am-9:23 am

1 stop6h 06m

$438

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Wed 9/23

5:54 am-2:52 pm

2 stops10h 58m

Seattle/Tacoma Intl

Mon 9/28

11:57 pm-11:22 am

1 stop9h 25m

$440

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Thu 10/22

6:19 pm-12:14 am

1 stop7h 55m

Seattle/Tacoma Intl

Sat 10/24

1:17 am-9:23 am

1 stop6h 06m

$453

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Thu 8/6

5:20 pm-11:35 pm

1 stop8h 15m

Seattle/Tacoma Intl

Wed 8/12

11:00 am-12:22 am

2 stops11h 22m

$467

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Tue 8/4

5:57 pm-12:52 am

1 stop8h 55m

Seattle/Tacoma Intl

Tue 8/11

11:00 am-12:22 am

2 stops11h 22m

$471

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

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 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

Fastest flight time	8h 39m
Direct flights	None

The fastest flight from La Crosse to Seattle takes 8h 39m

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 39m.
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 June 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 11,756 reviews		Search American Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Lakewood

Puyallup

Tukwila

Federal Way

Fife

Cle Elum

Marysville

Centralia

Kirkland

Shoreline

Westport

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.