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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 7/10. 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
1 adult, Economy, 0 bags

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 - 11:59 pm
PDX
-
LSE
8h 14m
1 stop
American Airlines Logo
5:53 pm - 12:50 am
LSE
-
PDX
8h 57m
1 stop
$338American Airlines
Fri, Jul 10 - Thu, Jul 16
American Airlines Logo
1:45 pm - 12:19 am
PDX
-
LSE
8h 34m
1 stop
American Airlines Logo
5:25 pm - 11:47 pm
LSE
-
PDX
8h 22m
1 stop
$514American Airlines
Fri, Jun 26 - Mon, Jun 29
American Airlines Logo
9:47 pm - 11:31 am
PDX
-
LSE
11h 44m
2 stops
American Airlines Logo
5:53 pm - 12:50 am
LSE
-
PDX
8h 57m
1 stop
$520American Airlines
Fri, Jul 10 - Thu, Jul 16
American Airlines Logo
9:47 pm - 11:07 am
PDX
-
LSE
11h 20m
2 stops
American Airlines Logo
5:25 pm - 11:47 pm
LSE
-
PDX
8h 22m
1 stop
$555American Airlines
Fri, Jun 26 - Mon, Jun 29
American Airlines Logo
6:07 am - 5:11 pm
PDX
-
LSE
9h 04m
1 stop
American Airlines Logo
5:41 pm - 12:50 am
LSE
-
PDX
9h 09m
1 stop
$606American Airlines
Sat, Jul 11 - Sat, Jul 18
American Airlines Logo
5:20 am - 5:11 pm
PDX
-
LSE
9h 51m
2 stops
American Airlines Logo
5:53 pm - 12:50 am
LSE
-
PDX
8h 57m
1 stop
$612American Airlines
Sat, Jul 11 - Wed, Jul 15
American Airlines Logo
9:47 pm - 11:31 am
PDX
-
LSE
11h 44m
2 stops
American Airlines Logo
12:01 pm - 11:08 pm
LSE
-
PDX
13h 07m
2 stops
$765American Airlines
Fri, Jul 10 - Thu, Jul 16
American Airlines Logo
5:20 am - 5:11 pm
PDX
-
LSE
9h 51m
2 stops
American Airlines Logo
12:01 pm - 10:52 pm
LSE
-
PDX
12h 51m
2 stops
$785American Airlines
Sat, Jul 11 - Sat, Jul 18
American Airlines Logo
9:47 pm - 11:07 am
PDX
-
LSE
11h 20m
2 stops
American Airlines Logo
11:52 am - 10:51 pm
LSE
-
PDX
12h 59m
2 stops
$801American Airlines
Fri, Jun 26 - Mon, Jun 29
American Airlines Logo
6:07 am - 5:23 pm
PDX
-
LSE
9h 16m
1 stop
American Airlines Logo
5:53 pm - 12:50 am
LSE
-
PDX
8h 57m
1 stop
$896American Airlines
Mon, Jul 27 - Fri, Jul 31

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American Airlines flights from Portland to La Crosse

Our best American Airlines deals on Portland to La Crosse flight tickets
American Airlines
Jul 10
PDX1:45 pmPortland
8h 14m
1 stop
LSE11:59 pmLa Crosse
Jul 16
LSE5:53 pmLa Crosse
8h 57m
1 stop
PDX12:50 amPortland
$338
American Airlines
Jun 26
PDX1:45 pmPortland
8h 34m
1 stop
LSE12:19 amLa Crosse
Jun 29
LSE5:25 pmLa Crosse
8h 22m
1 stop
PDX11:47 pmPortland
$514
American Airlines
Jul 10
PDX9:47 pmPortland
11h 44m
2 stops
LSE11:31 amLa Crosse
Jul 16
LSE5:53 pmLa Crosse
8h 57m
1 stop
PDX12:50 amPortland
$520

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 June 15, 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

Fri 7/10

1:45 pm-11:59 pm

1 stop8h 14m

La Crosse

Thu 7/16

5:53 pm-12:50 am

1 stop8h 57m

$338
Quickest round-trip

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Fri 6/26

1:45 pm-12:19 am

1 stop8h 34m

La Crosse

Mon 6/29

5:25 pm-11:47 pm

1 stop8h 22m

$514

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Fri 7/10

9:47 pm-11:31 am

2 stops11h 44m

La Crosse

Thu 7/16

5:53 pm-12:50 am

1 stop8h 57m

$520

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Fri 6/26

9:47 pm-11:07 am

2 stops11h 20m

La Crosse

Mon 6/29

5:25 pm-11:47 pm

1 stop8h 22m

$555

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Sat 7/11

6:07 am-5:11 pm

1 stop9h 04m

La Crosse

Sat 7/18

5:41 pm-12:50 am

1 stop9h 09m

$606

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Sat 7/11

5:20 am-5:11 pm

2 stops9h 51m

La Crosse

Wed 7/15

5:53 pm-12:50 am

1 stop8h 57m

$612

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Fri 7/10

9:47 pm-11:31 am

2 stops11h 44m

La Crosse

Thu 7/16

12:01 pm-11:08 pm

2 stops13h 07m

$765

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Sat 7/11

5:20 am-5:11 pm

2 stops9h 51m

La Crosse

Sat 7/18

12:01 pm-10:52 pm

2 stops12h 51m

$785

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Fri 6/26

9:47 pm-11:07 am

2 stops11h 20m

La Crosse

Mon 6/29

11:52 am-10:51 pm

2 stops12h 59m

$801

PortlandLa Crosse

PDX - LSE

PDXLSE

Portland

Mon 7/27

6:07 am-5:23 pm

1 stop9h 16m

La Crosse

Fri 7/31

5:53 pm-12:50 am

1 stop8h 57m

$896

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 34m

Direct flights

None
The fastest flight from Portland to La Crosse takes 8h 34m
There are no direct flights from Portland to La Crosse. There are no popular flight routes from Portland to La Crosse.
Search flight deals

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 34m 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 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.

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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