What airlines fly to Seattle?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Seattle from La Crosse according to our data. Delta is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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 September 2025.

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.

$434 Cheap Flights from La Crosse to Seattle in 2025/26

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Find the cheapest flights from La Crosse to Seattle

Round-trip

One-way

Cheap round-trip flights

4:45 pm - 10:19 pmLSE-SEA

7h 34m1 stop

8:00 am - 4:03 pmSEA-LSE

6h 03m1 stop

$434American Airlines

Find Deal

Thu, Jan 8 - Tue, Jan 13

11:37 am - 9:19 pmLSE-SEA

11h 42m2 stops

1:40 pm - 10:32 pmSEA-LSE

6h 52m1 stop

$440American Airlines

Find Deal

Thu, Jan 8 - Tue, Jan 13

11:37 am - 9:19 pmLSE-SEA

11h 42m2 stops

7:44 am - 10:32 pmSEA-LSE

12h 48m2 stops

$445American Airlines

Find Deal

Thu, Jan 8 - Tue, Jan 13

6:15 pm - 12:27 amLSE-SEA

8h 12m1 stop

12:34 am - 10:24 amSEA-LSE

7h 50m1 stop

$446American Airlines

Find Deal

Tue, Oct 7 - Fri, Oct 10

10:54 am - 7:27 pmLSE-SEA

10h 33m2 stops

12:34 am - 10:24 amSEA-LSE

7h 50m1 stop

$452American Airlines

Find Deal

Tue, Oct 7 - Fri, Oct 10

6:15 pm - 12:27 amLSE-SEA

8h 12m1 stop

2:52 pm - 11:26 pmSEA-LSE

6h 34m1 stop

$494American Airlines

Find Deal

Tue, Oct 7 - Sat, Oct 11

10:54 am - 7:27 pmLSE-SEA

10h 33m2 stops

2:52 pm - 11:26 pmSEA-LSE

6h 34m1 stop

$500American Airlines

Find Deal

Tue, Oct 7 - Sat, Oct 11

10:54 am - 7:27 pmLSE-SEA

10h 33m2 stops

11:44 am - 11:26 pmSEA-LSE

9h 42m2 stops

$604American Airlines

Find Deal

Tue, Oct 7 - Sat, Oct 11

4:46 pm - 11:08 pmLSE-SEA

8h 22m1 stop

1:48 pm - 9:40 pmSEA-LSE

5h 52m1 stop

$792American Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

1:03 pm - 10:59 pmLSE-SEA

11h 56m2 stops

1:48 pm - 9:40 pmSEA-LSE

5h 52m1 stop

$798American Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

American Airlines flights from La Crosse to Seattle

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

American Airlines

Jan 8

LSE4:45 pmLa Crosse

7h 34m

1 stop

SEA10:19 pmSeattle/Tacoma Intl

Jan 13

SEA8:00 amSeattle/Tacoma Intl

6h 03m

1 stop

LSE4:03 pmLa Crosse

$434

Find similar

American Airlines

Jan 8

LSE11:37 amLa Crosse

11h 42m

2 stops

SEA9:19 pmSeattle/Tacoma Intl

Jan 13

SEA1:40 pmSeattle/Tacoma Intl

6h 52m

1 stop

LSE10:32 pmLa Crosse

$440

Find similar

American Airlines

Jan 8

LSE11:37 amLa Crosse

11h 42m

2 stops

SEA9:19 pmSeattle/Tacoma Intl

Jan 13

SEA7:44 amSeattle/Tacoma Intl

12h 48m

2 stops

LSE10:32 pmLa Crosse

$445

Find similar

Fly from

Fly to

Route

Depart

Return

Price

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Thu 1/8

4:45 pm-10:19 pm

1 stop7h 34m

Seattle/Tacoma Intl

Tue 1/13

8:00 am-4:03 pm

1 stop6h 03m

$434

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Thu 1/8

11:37 am-9:19 pm

2 stops11h 42m

Seattle/Tacoma Intl

Tue 1/13

1:40 pm-10:32 pm

1 stop6h 52m

$440

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Thu 1/8

11:37 am-9:19 pm

2 stops11h 42m

Seattle/Tacoma Intl

Tue 1/13

7:44 am-10:32 pm

2 stops12h 48m

$445

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Tue 10/7

6:15 pm-12:27 am

1 stop8h 12m

Seattle/Tacoma Intl

Fri 10/10

12:34 am-10:24 am

1 stop7h 50m

$446

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Tue 10/7

10:54 am-7:27 pm

2 stops10h 33m

Seattle/Tacoma Intl

Fri 10/10

12:34 am-10:24 am

1 stop7h 50m

$452

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Tue 10/7

6:15 pm-12:27 am

1 stop8h 12m

Seattle/Tacoma Intl

Sat 10/11

2:52 pm-11:26 pm

1 stop6h 34m

$494

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Tue 10/7

10:54 am-7:27 pm

2 stops10h 33m

Seattle/Tacoma Intl

Sat 10/11

2:52 pm-11:26 pm

1 stop6h 34m

$500

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Tue 10/7

10:54 am-7:27 pm

2 stops10h 33m

Seattle/Tacoma Intl

Sat 10/11

11:44 am-11:26 pm

2 stops9h 42m

$604

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Tue 3/10

4:46 pm-11:08 pm

1 stop8h 22m

Seattle/Tacoma Intl

Wed 3/11

1:48 pm-9:40 pm

1 stop5h 52m

$792

La CrosseSeattle

LSE - SEA

LSESEA

La Crosse

Tue 3/10

1:03 pm-10:59 pm

2 stops11h 56m

Seattle/Tacoma Intl

Wed 3/11

1:48 pm-9:40 pm

1 stop5h 52m

$798

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 cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from La Crosse is on a Friday. momondo users have found tickets for Friday departures for as low as $613. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from La Crosse because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $767.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from La Crosse in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $570 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $663. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights	None

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

Search flight deals

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 7h 34m.
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 September 2025.
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 $412	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Federal Way

Kirkland

Tukwila

Shoreline

Lakewood

Centralia

Fife

Cle Elum

Redmond

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.