How do I get Price Alerts for flights from Portland to La Crosse?

Search flight deals from Portland to La Crosse . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Portland to La Crosse with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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

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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.

6:00 am - 4:16 pm

PDX

LSE

8h 16m1 stop

6:00 am - 7:51 pm

LSE

PDX

15h 51m2 stops

$681American Airlines

Tue, Jan 13 - Sat, Jan 17

7:38 am - 10:16 pm

PDX

LSE

12h 38m2 stops

6:00 am - 7:51 pm

LSE

PDX

15h 51m2 stops

$686American Airlines

Tue, Jan 13 - Sat, Jan 17

6:00 am - 10:16 pm

PDX

LSE

14h 16m1 stop

6:00 am - 8:27 pm

LSE

PDX

16h 27m1 stop

$846American Airlines

Tue, Jan 13 - Sat, Jan 17

American Airlines flights from Portland to La Crosse

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

American Airlines

Jan 13

PDX6:00 amPortland

8h 16m

1 stop

LSE4:16 pmLa Crosse

Jan 17

LSE6:00 amLa Crosse

15h 51m

2 stops

PDX7:51 pmPortland

$681

Find similar

American Airlines

Jan 13

PDX7:38 amPortland

12h 38m

2 stops

LSE10:16 pmLa Crosse

Jan 17

LSE6:00 amLa Crosse

15h 51m

2 stops

PDX7:51 pmPortland

$686

Find similar

American Airlines

Jan 13

PDX6:00 amPortland

14h 16m

1 stop

LSE10:16 pmLa Crosse

Jan 17

LSE6:00 amLa Crosse

16h 27m

1 stop

PDX8:27 pmPortland

$846

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Tue 1/13

6:00 am-4:16 pm

1 stop8h 16m

La Crosse

Sat 1/17

6:00 am-7:51 pm

2 stops15h 51m

$681

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Tue 1/13

7:38 am-10:16 pm

2 stops12h 38m

La Crosse

Sat 1/17

6:00 am-7:51 pm

2 stops15h 51m

$686

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Tue 1/13

6:00 am-10:16 pm

1 stop14h 16m

La Crosse

Sat 1/17

6:00 am-8:27 pm

1 stop16h 27m

$846

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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	8h 16m
Direct flights	None

The fastest flight from Portland to La Crosse takes 8h 16m

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 16m 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 11,074 reviews		Search American Airlines flights

How do I get Price Alerts for flights from Portland to La Crosse?
Search flight deals from Portland to La Crosse. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Portland to La Crosse with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.