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 January 2026.

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.

$494 Cheap Flights from Portland to La Crosse in 2026

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.

11:40 pm - 10:55 am

PDX

LSE

9h 15m

2 stops

5:20 am - 11:02 am

LSE

PDX

7h 42m

1 stop

$494American Airlines

vie., feb. 20 - vie., feb. 27

11:40 pm - 10:54 am

PDX

LSE

9h 14m

2 stops

5:00 am - 10:58 am

LSE

PDX

7h 58m

1 stop

$513American Airlines

jue., feb. 19 - mié., feb. 25

11:40 pm - 10:54 am

PDX

LSE

9h 14m

2 stops

11:31 am - 11:27 pm

LSE

PDX

13h 56m

2 stops

$518American Airlines

jue., feb. 19 - mié., feb. 25

9:44 pm - 11:01 am

PDX

LSE

11h 17m

2 stops

6:29 pm - 12:17 am

LSE

PDX

7h 48m

1 stop

$530American Airlines

mié., feb. 18 - mié., feb. 25

9:44 pm - 11:01 am

PDX

LSE

11h 17m

2 stops

11:31 am - 9:58 pm

LSE

PDX

12h 27m

2 stops

$535American Airlines

mié., feb. 18 - mié., feb. 25

11:48 am - 11:36 pm

PDX

LSE

9h 48m

1 stop

11:31 am - 12:17 am

LSE

PDX

14h 46m

1 stop

$551American Airlines

jue., feb. 19 - mié., feb. 25

5:40 am - 5:59 pm

PDX

LSE

10h 19m

2 stops

6:29 pm - 12:17 am

LSE

PDX

7h 48m

1 stop

$557American Airlines

mié., feb. 18 - lun., feb. 23

5:40 am - 5:59 pm

PDX

LSE

10h 19m

2 stops

6:29 pm - 12:17 am

LSE

PDX

7h 48m

1 stop

$560American Airlines

mar., feb. 17 - mar., feb. 24

11:52 am - 10:55 am

PDX

LSE

21h 03m

1 stop

11:31 am - 12:17 am

LSE

PDX

14h 46m

1 stop

$561American Airlines

vie., feb. 20 - vie., feb. 27

5:43 pm - 10:55 am

PDX

LSE

15h 12m

2 stops

11:31 am - 9:52 pm

LSE

PDX

12h 21m

2 stops

$562American Airlines

vie., feb. 20 - mié., feb. 25

American Airlines flights from Portland to La Crosse

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

American Airlines

Feb 20

PDX11:40 pmPortland

9h 15m

2 stops

LSE10:55 amLa Crosse

Feb 27

LSE5:20 amLa Crosse

7h 42m

1 stop

PDX11:02 amPortland

$494

American Airlines

Feb 19

PDX11:40 pmPortland

9h 14m

2 stops

LSE10:54 amLa Crosse

Feb 25

LSE5:00 amLa Crosse

7h 58m

1 stop

PDX10:58 amPortland

$513

American Airlines

Feb 19

PDX11:40 pmPortland

9h 14m

2 stops

LSE10:54 amLa Crosse

Feb 25

LSE11:31 amLa Crosse

13h 56m

2 stops

PDX11:27 pmPortland

$518

Fly from

Fly to

Route

Depart

Return

Price

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

vie. 2/20

11:40 pm-10:55 am

2 stops9h 15m

La Crosse

vie. 2/27

5:20 am-11:02 am

1 stop7h 42m

$494

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

jue. 2/19

11:40 pm-10:54 am

2 stops9h 14m

La Crosse

mié. 2/25

5:00 am-10:58 am

1 stop7h 58m

$513

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

jue. 2/19

11:40 pm-10:54 am

2 stops9h 14m

La Crosse

mié. 2/25

11:31 am-11:27 pm

2 stops13h 56m

$518

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

mié. 2/18

9:44 pm-11:01 am

2 stops11h 17m

La Crosse

mié. 2/25

6:29 pm-12:17 am

1 stop7h 48m

$530

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

mié. 2/18

9:44 pm-11:01 am

2 stops11h 17m

La Crosse

mié. 2/25

11:31 am-9:58 pm

2 stops12h 27m

$535

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

jue. 2/19

11:48 am-11:36 pm

1 stop9h 48m

La Crosse

mié. 2/25

11:31 am-12:17 am

1 stop14h 46m

$551

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

mié. 2/18

5:40 am-5:59 pm

2 stops10h 19m

La Crosse

lun. 2/23

6:29 pm-12:17 am

1 stop7h 48m

$557

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

mar. 2/17

5:40 am-5:59 pm

2 stops10h 19m

La Crosse

mar. 2/24

6:29 pm-12:17 am

1 stop7h 48m

$560

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

vie. 2/20

11:52 am-10:55 am

1 stop21h 03m

La Crosse

vie. 2/27

11:31 am-12:17 am

1 stop14h 46m

$561

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

vie. 2/20

5:43 pm-10:55 am

2 stops15h 12m

La Crosse

mié. 2/25

11:31 am-9:52 pm

2 stops12h 21m

$562

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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

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 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	9h 15m
Direct flights	None

The fastest flight from Portland to La Crosse takes 9h 15m

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 9h 15m 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 January 2026.
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 11,163 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.