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Cheap flights from Portland to La Crosse from $338

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 6/6. 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
1:45 pm - 12:19 am
PDX
-
LSE
8h 34m
1 stop
American Airlines Logo
5:33 pm - 12:20 am
LSE
-
PDX
8h 47m
1 stop
$338American Airlines
Sat, Jun 6 - Sat, Jun 13
American Airlines Logo
1:31 pm - 11:15 pm
PDX
-
LSE
7h 44m
1 stop
American Airlines Logo
6:24 pm - 10:50 pm
LSE
-
PDX
6h 26m
1 stop
$399American Airlines
Wed, Sep 9 - Sat, Sep 12
American Airlines Logo
1:45 pm - 12:26 am
PDX
-
LSE
8h 41m
1 stop
American Airlines Logo
5:33 pm - 12:20 am
LSE
-
PDX
8h 47m
1 stop
$408American Airlines
Tue, Jun 2 - Sat, Jun 6
American Airlines Logo
9:47 pm - 11:26 am
PDX
-
LSE
11h 39m
2 stops
American Airlines Logo
5:33 pm - 12:20 am
LSE
-
PDX
8h 47m
1 stop
$414American Airlines
Tue, Jun 2 - Sat, Jun 6
American Airlines Logo
5:20 am - 5:49 pm
PDX
-
LSE
10h 29m
2 stops
American Airlines Logo
6:24 pm - 10:50 pm
LSE
-
PDX
6h 26m
1 stop
$440American Airlines
Wed, Sep 9 - Sat, Sep 12
American Airlines Logo
9:47 pm - 11:26 am
PDX
-
LSE
11h 39m
2 stops
American Airlines Logo
11:37 am - 10:53 pm
LSE
-
PDX
13h 16m
2 stops
$480American Airlines
Tue, Jun 2 - Sat, Jun 6
American Airlines Logo
5:20 am - 5:49 pm
PDX
-
LSE
10h 29m
2 stops
American Airlines Logo
11:21 am - 9:57 pm
LSE
-
PDX
12h 36m
2 stops
$516American Airlines
Wed, Sep 9 - Sat, Sep 12
American Airlines Logo
1:45 pm - 12:19 am
PDX
-
LSE
8h 34m
1 stop
American Airlines Logo
11:37 am - 11:08 pm
LSE
-
PDX
13h 31m
2 stops
$565American Airlines
Sat, Jun 6 - Sat, Jun 13
American Airlines Logo
6:00 am - 4:45 pm
PDX
-
LSE
8h 45m
1 stop
American Airlines Logo
11:53 am - 5:51 pm
LSE
-
PDX
7h 58m
1 stop
$574American Airlines
Thu, Aug 27 - Mon, Aug 31
American Airlines Logo
9:44 pm - 11:23 am
PDX
-
LSE
11h 39m
2 stops
American Airlines Logo
11:53 am - 5:51 pm
LSE
-
PDX
7h 58m
1 stop
$580American Airlines
Thu, Aug 27 - Mon, Aug 31

American Airlines flights from Portland to La Crosse

Our best American Airlines deals on Portland to La Crosse flight tickets
American Airlines
Jun 6
PDX1:45 pmPortland
8h 34m
1 stop
LSE12:19 amLa Crosse
Jun 13
LSE5:33 pmLa Crosse
8h 47m
1 stop
PDX12:20 amPortland
$338
American Airlines
Sep 9
PDX1:31 pmPortland
7h 44m
1 stop
LSE11:15 pmLa Crosse
Sep 12
LSE6:24 pmLa Crosse
6h 26m
1 stop
PDX10:50 pmPortland
$399
American Airlines
Jun 2
PDX1:45 pmPortland
8h 41m
1 stop
LSE12:26 amLa Crosse
Jun 6
LSE5:33 pmLa Crosse
8h 47m
1 stop
PDX12:20 amPortland
$408

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 May 19, 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

Cheapest round-trip

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Sat 6/6

1:45 pm-12:19 am

1 stop8h 34m

La Crosse

Sat 6/13

5:33 pm-12:20 am

1 stop8h 47m

$338
Quickest round-trip

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 9/9

1:31 pm-11:15 pm

1 stop7h 44m

La Crosse

Sat 9/12

6:24 pm-10:50 pm

1 stop6h 26m

$399

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Tue 6/2

1:45 pm-12:26 am

1 stop8h 41m

La Crosse

Sat 6/6

5:33 pm-12:20 am

1 stop8h 47m

$408

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Tue 6/2

9:47 pm-11:26 am

2 stops11h 39m

La Crosse

Sat 6/6

5:33 pm-12:20 am

1 stop8h 47m

$414

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 9/9

5:20 am-5:49 pm

2 stops10h 29m

La Crosse

Sat 9/12

6:24 pm-10:50 pm

1 stop6h 26m

$440

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Tue 6/2

9:47 pm-11:26 am

2 stops11h 39m

La Crosse

Sat 6/6

11:37 am-10:53 pm

2 stops13h 16m

$480

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Wed 9/9

5:20 am-5:49 pm

2 stops10h 29m

La Crosse

Sat 9/12

11:21 am-9:57 pm

2 stops12h 36m

$516

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Sat 6/6

1:45 pm-12:19 am

1 stop8h 34m

La Crosse

Sat 6/13

11:37 am-11:08 pm

2 stops13h 31m

$565

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Thu 8/27

6:00 am-4:45 pm

1 stop8h 45m

La Crosse

Mon 8/31

11:53 am-5:51 pm

1 stop7h 58m

$574

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Thu 8/27

9:44 pm-11:23 am

2 stops11h 39m

La Crosse

Mon 8/31

11:53 am-5:51 pm

1 stop7h 58m

$580

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 41m

Direct flights

None
The fastest flight from Portland to La Crosse takes 8h 41m
There are no direct flights from Portland to La Crosse. There are no popular flight routes from Portland to La Crosse.
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Frequently asked questions about flying from Portland to La Crosse

  • 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 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?

  • 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 $438Free CancellationRating
7.1
11,645 reviews
Search American Airlines flights

Frequently asked questions about flying from Portland to La Crosse

  • 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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