What is the cheapest airline that flies from Portland to La Crosse?

American Airlines is the most popular carrier operating from Portland to La Crosse

When did momondo last update prices for flights from Portland Airport to La Crosse Airport?

Prices for flights from Portland Airport to La Crosse Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to La Crosse Airport?

The number of operators available for flights from Portland Airport to La Crosse Airport is 1 as of October 2025.

How old do you have to be to fly from Portland Airport to La Crosse Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to La Crosse Airport.

What documentation or ID do you need to fly to La Crosse Airport?

The required travel and health documents for your La Crosse Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at La Crosse Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$404 Cheap Flights from Portland to La Crosse in 2025/26

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Find the cheapest flights from Portland to La Crosse

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:59 pm - 3:40 pmPDX-LSE

13h 41m2 stops

6:00 am - 12:36 pmLSE-PDX

8h 36m1 stop

$450American Airlines

Find Deal

mar., nov. 4 - sáb., nov. 8

11:59 pm - 3:40 pmPDX-LSE

13h 41m2 stops

9:59 am - 9:23 pmLSE-PDX

13h 24m2 stops

$455American Airlines

Find Deal

mar., nov. 4 - sáb., nov. 8

1:28 pm - 11:52 pmPDX-LSE

8h 24m1 stop

6:00 am - 12:38 pmLSE-PDX

8h 38m1 stop

$468American Airlines

Find Deal

jue., dic. 11 - lun., dic. 15

11:40 am - 11:52 pmPDX-LSE

10h 12m2 stops

6:00 am - 12:38 pmLSE-PDX

8h 38m1 stop

$474American Airlines

Find Deal

jue., dic. 11 - lun., dic. 15

8:35 am - 10:02 pmPDX-LSE

11h 27m2 stops

6:00 am - 12:36 pmLSE-PDX

8h 36m1 stop

$493American Airlines

Find Deal

mié., nov. 5 - dom., nov. 9

11:43 am - 10:02 pmPDX-LSE

8h 19m1 stop

6:00 am - 12:36 pmLSE-PDX

8h 36m1 stop

$506American Airlines

Find Deal

mié., nov. 5 - dom., nov. 9

11:43 am - 10:02 pmPDX-LSE

8h 19m1 stop

6:00 am - 12:36 pmLSE-PDX

8h 36m1 stop

$509American Airlines

Find Deal

mar., nov. 4 - sáb., nov. 8

11:40 am - 11:52 pmPDX-LSE

10h 12m2 stops

9:46 am - 8:50 pmLSE-PDX

13h 04m2 stops

$510American Airlines

Find Deal

jue., dic. 11 - lun., dic. 15

8:35 am - 10:02 pmPDX-LSE

11h 27m2 stops

6:00 am - 5:12 pmLSE-PDX

13h 12m2 stops

$694American Airlines

Find Deal

mié., nov. 5 - dom., nov. 9

1:26 pm - 11:49 pmPDX-LSE

8h 23m1 stop

9:50 am - 7:49 pmLSE-PDX

11h 59m2 stops

$739American Airlines

Find Deal

vie., nov. 21 - vie., nov. 28

American Airlines flights from Portland to La Crosse

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

American Airlines

Nov 4

PDX11:59 pmPortland

13h 41m

2 stops

LSE3:40 pmLa Crosse

Nov 8

LSE6:00 amLa Crosse

8h 36m

1 stop

PDX12:36 pmPortland

$450

Find similar

American Airlines

Nov 4

PDX8:35 amPortland

11h 27m

2 stops

LSE10:02 pmLa Crosse

Nov 8

LSE9:59 amLa Crosse

13h 24m

2 stops

PDX9:23 pmPortland

$455

Find similar

American Airlines

Dec 11

PDX1:28 pmPortland

8h 24m

1 stop

LSE11:52 pmLa Crosse

Dec 15

LSE6:00 amLa Crosse

8h 38m

1 stop

PDX12:38 pmPortland

$468

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

mar. 11/4

11:59 pm-3:40 pm

2 stops13h 41m

La Crosse

sáb. 11/8

6:00 am-12:36 pm

1 stop8h 36m

$450

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

mar. 11/4

11:59 pm-3:40 pm

2 stops13h 41m

La Crosse

sáb. 11/8

9:59 am-9:23 pm

2 stops13h 24m

$455

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

jue. 12/11

1:28 pm-11:52 pm

1 stop8h 24m

La Crosse

lun. 12/15

6:00 am-12:38 pm

1 stop8h 38m

$468

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

jue. 12/11

11:40 am-11:52 pm

2 stops10h 12m

La Crosse

lun. 12/15

6:00 am-12:38 pm

1 stop8h 38m

$474

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

mié. 11/5

8:35 am-10:02 pm

2 stops11h 27m

La Crosse

dom. 11/9

6:00 am-12:36 pm

1 stop8h 36m

$493

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

mié. 11/5

11:43 am-10:02 pm

1 stop8h 19m

La Crosse

dom. 11/9

6:00 am-12:36 pm

1 stop8h 36m

$506

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

mar. 11/4

11:43 am-10:02 pm

1 stop8h 19m

La Crosse

sáb. 11/8

6:00 am-12:36 pm

1 stop8h 36m

$509

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

jue. 12/11

11:40 am-11:52 pm

2 stops10h 12m

La Crosse

lun. 12/15

9:46 am-8:50 pm

2 stops13h 04m

$510

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

mié. 11/5

8:35 am-10:02 pm

2 stops11h 27m

La Crosse

dom. 11/9

6:00 am-5:12 pm

2 stops13h 12m

$694

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

vie. 11/21

1:26 pm-11:49 pm

1 stop8h 23m

La Crosse

vie. 11/28

9:50 am-7:49 pm

2 stops11h 59m

$739

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 Portland to La Crosse

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 time of day to depart on your flight to La Crosse?

According to our data, the cheapest time of day to fly to La Crosse is at noon. momondo users have found flights departing from Portland to La Crosse at noon for as low as $582. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to La Crosse, so prices are often more expensive at around $639 per ticket.

When to book flights from Portland to La Crosse

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

Estimated round-trip price

Cheap Portland to La Crosse (PDX to LSE) flight deals and tips

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

Direct flights	None

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

Search flight deals

How far is Portland to La Crosse by plane?
The straight-line distance from Portland to La Crosse is 1538.5 mi. Typically, this will take 8h 19m by plane in normal conditions.
When did momondo last update prices for flights from Portland Airport to La Crosse Airport?
Prices for flights from Portland Airport to La Crosse Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to La Crosse Airport?
The number of operators available for flights from Portland Airport to La Crosse Airport is 1 as of October 2025.
How old do you have to be to fly from Portland Airport to La Crosse Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to La Crosse Airport.
What documentation or ID do you need to fly to La Crosse Airport?
The required travel and health documents for your La Crosse Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at La Crosse Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Portland to La Crosse?
momondo data reveals that the most frequently booked airline on the route from Portland to La Crosse is American Airlines, representing 100% of all bookings.

Best airlines flying from Portland to La Crosse

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $424	Free Cancellation	Rating 7.2 11,033 reviews		Search American Airlines flights

Onalaska

Winona

Decorah

Harpers Ferry

Lansing

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to La Crosse from Portland.

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

Yes. momondo allows you to filter the results for Portland to La Crosse flights to just show those with flexible booking policies.

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

Once all potential Portland to La Crosse flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Portland to La Crosse flights. All you need is a valid email address and we will do the rest; it is that quick and easy.