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Cheap flights from Portland to La Crosse from $402

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to La Crosse departing on 6/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to La Crosse

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:20 am - 11:59 pm
PDX
-
LSE
10h 39m
1 stop
American Airlines Logo
6:00 am - 9:51 pm
LSE
-
PDX
17h 51m
1 stop
$402American Airlines
Tue, Jun 2 - Tue, Jun 9
American Airlines Logo
6:15 am - 4:59 pm
PDX
-
LSE
8h 44m
1 stop
American Airlines Logo
6:00 am - 3:07 pm
LSE
-
PDX
11h 07m
2 stops
$440American Airlines
Tue, Jun 2 - Tue, Jun 9
American Airlines Logo
11:59 pm - 5:59 pm
PDX
-
LSE
16h 00m
1 stop
American Airlines Logo
6:29 pm - 10:48 am
LSE
-
PDX
18h 19m
1 stop
$463American Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
5:20 am - 4:59 pm
PDX
-
LSE
9h 39m
2 stops
American Airlines Logo
6:00 am - 3:07 pm
LSE
-
PDX
11h 07m
2 stops
$475American Airlines
Tue, Jun 2 - Tue, Jun 9
American Airlines Logo
11:59 pm - 11:01 am
PDX
-
LSE
9h 02m
1 stop
American Airlines Logo
6:29 pm - 12:15 am
LSE
-
PDX
7h 46m
1 stop
$513American Airlines
Wed, Mar 18 - Wed, Mar 25
American Airlines Logo
12:04 pm - 11:36 pm
PDX
-
LSE
9h 32m
2 stops
American Airlines Logo
6:29 pm - 12:20 am
LSE
-
PDX
7h 51m
1 stop
$519American Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
1:45 pm - 11:59 pm
PDX
-
LSE
8h 14m
1 stop
American Airlines Logo
5:29 pm - 11:59 pm
LSE
-
PDX
8h 30m
1 stop
$524American Airlines
Wed, Jun 3 - Tue, Jun 9
American Airlines Logo
1:45 pm - 11:59 pm
PDX
-
LSE
8h 14m
1 stop
American Airlines Logo
5:29 pm - 11:59 pm
LSE
-
PDX
8h 30m
1 stop
$551American Airlines
Tue, Jun 2 - Mon, Jun 8
American Airlines Logo
1:45 pm - 11:59 pm
PDX
-
LSE
8h 14m
1 stop
American Airlines Logo
6:00 am - 4:42 pm
LSE
-
PDX
12h 42m
2 stops
$560American Airlines
Wed, Jun 3 - Tue, Jun 9
United Airlines Logo
4:15 pm - 1:17 pm
PDX
-
LSE
19h 02m
2 stops
United Airlines Logo
9:43 am - 11:53 pm
LSE
-
PDX
16h 10m
1 stop
$573United Airlines
Tue, Jun 2 - Wed, Jun 10

American Airlines flights from Portland to La Crosse

Our best American Airlines deals on Portland to La Crosse flight tickets
American Airlines
Jun 2
PDX11:20 amPortland
10h 39m
1 stop
LSE11:59 pmLa Crosse
Jun 9
LSE6:00 amLa Crosse
17h 51m
1 stop
PDX9:51 pmPortland
$402
American Airlines
Jun 2
PDX6:15 amPortland
8h 44m
1 stop
LSE4:59 pmLa Crosse
Jun 9
LSE6:00 amLa Crosse
11h 07m
2 stops
PDX3:07 pmPortland
$440
American Airlines
Mar 24
PDX11:59 pmPortland
16h 00m
1 stop
LSE5:59 pmLa Crosse
Mar 31
LSE6:29 pmLa Crosse
18h 19m
1 stop
PDX10:48 amPortland
$463

United Airlines flights from Portland to La Crosse

Our best United Airlines deals on Portland to La Crosse flight tickets
United Airlines
Jun 2
PDX4:15 pmPortland
19h 02m
2 stops
LSE1:17 pmLa Crosse
Jun 10
LSE9:43 amLa Crosse
16h 10m
1 stop
PDX11:53 pmPortland
$573
United Airlines
Jun 3
PDX4:15 pmPortland
23h 55m
2 stops
LSE6:10 pmLa Crosse
Jun 9
LSE9:43 amLa Crosse
15h 06m
2 stops
PDX10:49 pmPortland
$578
United Airlines
Jun 2
PDX1:14 pmPortland
17h 54m
2 stops
LSE9:08 amLa Crosse
Jun 11
LSE6:15 amLa Crosse
18h 15m
1 stop
PDX10:30 pmPortland
$584

momondo Fare Finder

 
Customize your flight search to find flights from Portland to La Crosse that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 28, 2026.
Use the filters below to find and compare flights from Portland to La Crosse that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Tue 6/2

11:20 am-11:59 pm

1 stop10h 39m

La Crosse

Tue 6/9

6:00 am-9:51 pm

1 stop17h 51m

$402

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Tue 6/2

6:15 am-4:59 pm

1 stop8h 44m

La Crosse

Tue 6/9

6:00 am-3:07 pm

2 stops11h 07m

$440

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Tue 3/24

11:59 pm-5:59 pm

1 stop16h 00m

La Crosse

Tue 3/31

6:29 pm-10:48 am

1 stop18h 19m

$463

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Tue 6/2

5:20 am-4:59 pm

2 stops9h 39m

La Crosse

Tue 6/9

6:00 am-3:07 pm

2 stops11h 07m

$475

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 3/18

11:59 pm-11:01 am

1 stop9h 02m

La Crosse

Wed 3/25

6:29 pm-12:15 am

1 stop7h 46m

$513

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Tue 3/24

12:04 pm-11:36 pm

2 stops9h 32m

La Crosse

Tue 3/31

6:29 pm-12:20 am

1 stop7h 51m

$519

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 6/3

1:45 pm-11:59 pm

1 stop8h 14m

La Crosse

Tue 6/9

5:29 pm-11:59 pm

1 stop8h 30m

$524

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Tue 6/2

1:45 pm-11:59 pm

1 stop8h 14m

La Crosse

Mon 6/8

5:29 pm-11:59 pm

1 stop8h 30m

$551

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 6/3

1:45 pm-11:59 pm

1 stop8h 14m

La Crosse

Tue 6/9

6:00 am-4:42 pm

2 stops12h 42m

$560

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Tue 6/2

4:15 pm-1:17 pm

2 stops19h 02m

La Crosse

Wed 6/10

9:43 am-11:53 pm

1 stop16h 10m

$573

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

16h 00m

Direct flights

None
The fastest flight from Portland to La Crosse takes 16h 00m
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 16h 00m 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?

  • 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?

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 AirlinesPriceFrom $424Free CancellationRating
7.1
11,367 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.

Traveling to a place near La Crosse?

Book flights to La Crosse if you plan to visit one of these locations
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.

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