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 December 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.

$441 Cheap Flights from Portland to La Crosse in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

3:02 pm - 7:36 pm

PDX

LSE

26h 34m1 stop

5:08 pm - 8:27 pm

LSE

PDX

29h 19m1 stop

$682American Airlines

Wed, Dec 31 - Tue, Jan 6

5:33 am - 7:36 pm

PDX

LSE

12h 03m2 stops

6:00 am - 6:51 pm

LSE

PDX

14h 51m2 stops

$705American Airlines

Wed, Dec 31 - Tue, Jan 6

5:33 am - 7:36 pm

PDX

LSE

12h 03m2 stops

10:09 am - 9:19 pm

LSE

PDX

13h 10m2 stops

$733American Airlines

Wed, Dec 31 - Mon, Jan 5

3:02 pm - 7:36 pm

PDX

LSE

26h 34m1 stop

6:00 am - 10:11 pm

LSE

PDX

18h 11m2 stops

$748American Airlines

Wed, Dec 31 - Tue, Jan 6

3:02 pm - 7:36 pm

PDX

LSE

26h 34m1 stop

8:06 pm - 8:27 pm

LSE

PDX

26h 21m1 stop

$752American Airlines

Wed, Dec 31 - Mon, Jan 5

5:33 am - 7:36 pm

PDX

LSE

12h 03m2 stops

10:09 am - 9:59 pm

LSE

PDX

13h 50m2 stops

$789American Airlines

Wed, Dec 31 - Fri, Jan 2

3:02 pm - 7:36 pm

PDX

LSE

26h 34m1 stop

8:06 pm - 10:11 pm

LSE

PDX

28h 05m2 stops

$792American Airlines

Wed, Dec 31 - Mon, Jan 5

3:02 pm - 9:39 am

PDX

LSE

16h 37m1 stop

5:45 am - 10:41 am

LSE

PDX

30h 56m2 stops

$798American Airlines

Wed, Dec 31 - Sun, Jan 4

3:02 pm - 9:39 am

PDX

LSE

16h 37m1 stop

10:09 am - 12:54 am

LSE

PDX

16h 45m2 stops

$816American Airlines

Wed, Dec 31 - Fri, Jan 2

3:02 pm - 9:39 am

PDX

LSE

16h 37m1 stop

8:06 pm - 2:12 pm

LSE

PDX

20h 06m1 stop

$817American Airlines

Wed, Dec 31 - Sun, Jan 4

American Airlines flights from Portland to La Crosse

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

American Airlines

May 6

PDX6:30 amPortland

7h 28m

1 stop

LSE3:58 pmLa Crosse

May 10

LSE4:43 pmLa Crosse

8h 54m

1 stop

PDX11:37 pmPortland

$441

Find similar

American Airlines

May 7

PDX6:30 amPortland

7h 28m

1 stop

LSE3:58 pmLa Crosse

May 10

LSE4:43 pmLa Crosse

8h 54m

1 stop

PDX11:37 pmPortland

$514

Find similar

American Airlines

May 6

PDX6:46 amPortland

12h 55m

2 stops

LSE9:41 pmLa Crosse

May 10

LSE4:43 pmLa Crosse

8h 54m

1 stop

PDX11:37 pmPortland

$542

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 12/31

3:02 pm-7:36 pm

1 stop26h 34m

La Crosse

Tue 1/6

5:08 pm-8:27 pm

1 stop29h 19m

$682

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 12/31

5:33 am-7:36 pm

2 stops12h 03m

La Crosse

Tue 1/6

6:00 am-6:51 pm

2 stops14h 51m

$705

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 12/31

5:33 am-7:36 pm

2 stops12h 03m

La Crosse

Mon 1/5

10:09 am-9:19 pm

2 stops13h 10m

$733

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 12/31

3:02 pm-7:36 pm

1 stop26h 34m

La Crosse

Tue 1/6

6:00 am-10:11 pm

2 stops18h 11m

$748

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 12/31

3:02 pm-7:36 pm

1 stop26h 34m

La Crosse

Mon 1/5

8:06 pm-8:27 pm

1 stop26h 21m

$752

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 12/31

5:33 am-7:36 pm

2 stops12h 03m

La Crosse

Fri 1/2

10:09 am-9:59 pm

2 stops13h 50m

$789

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 12/31

3:02 pm-7:36 pm

1 stop26h 34m

La Crosse

Mon 1/5

8:06 pm-10:11 pm

2 stops28h 05m

$792

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 12/31

3:02 pm-9:39 am

1 stop16h 37m

La Crosse

Sun 1/4

5:45 am-10:41 am

2 stops30h 56m

$798

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 12/31

3:02 pm-9:39 am

1 stop16h 37m

La Crosse

Fri 1/2

10:09 am-12:54 am

2 stops16h 45m

$816

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 12/31

3:02 pm-9:39 am

1 stop16h 37m

La Crosse

Sun 1/4

8:06 pm-2:12 pm

1 stop20h 06m

$817

Flights are sorted by cheapest round-trip flights first.

Sorted 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

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

Fastest flight time	7h 28m
Direct flights	None

The fastest flight from Portland to La Crosse takes 7h 28m

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 6h 41m 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 December 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 11,042 reviews		Search American Airlines flights

Onalaska

Winona

Decorah

Harpers Ferry

Lansing

Why use momondo?

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.