$239+ Cheap flights from Portland to La Crosse (PDX - LSE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LSE
Oct 19 — Oct 261
Round-trip
1 adult, Economy
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Find cheap flights from Portland to La Crosse with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to La Crosse
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to La CrosseExplore the most affordable flight options available from Portland to La Crosse. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
Explore the most affordable flight options available from Portland to La Crosse. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:12 pm -
1 stop8h 47m
Tue 11/105:57 am -
1 stop8h 31m
Deal found 9/15![American Airlines logo]()
$430
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:22 pm -
1 stop8h 56m
Wed 11/1812:24 pm -
1 stop9h 23m
Deal found 9/18![American Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:01 am -
1 stop8h 51m
Sat 10/35:22 pm -
1 stop8h 45m
Deal found 9/14![American Airlines logo]()
$510
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:22 pm -
1 stop8h 56m
Wed 11/185:57 am -
1 stop8h 31m
Deal found 9/15![American Airlines logo]()
$530
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:01 am -
1 stop8h 51m
Sat 10/106:50 pm -
1 stop7h 09m
Deal found 9/16![American Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:22 pm -
1 stop8h 56m
Wed 11/1812:24 pm -
1 stop9h 23m
Deal found 9/15![American Airlines logo]()
$594
Best flights from Portland to La CrosseDiscover carefully curated flight deals from Portland to La Crosse that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
Discover carefully curated flight deals from Portland to La Crosse that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:12 pm -
1 stop8h 47m
Tue 11/105:57 am -
1 stop8h 31m
Deal found 9/15![American Airlines logo]()
$430
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:22 pm -
1 stop8h 56m
Wed 11/1812:24 pm -
1 stop9h 23m
Deal found 9/18![American Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:01 am -
1 stop8h 51m
Sat 10/35:22 pm -
1 stop8h 45m
Deal found 9/14![American Airlines logo]()
$510
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:00 am -
2 stops11h 16m
Tue 12/156:00 am -
2 stops13h 54m
Deal found 9/18![American Airlines logo]()
$571
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:01 am -
1 stop8h 51m
Sat 10/106:50 pm -
1 stop7h 09m
Deal found 9/18![American Airlines logo]()
$580
Last-minute flights from Portland to La CrosseDiscover last-minute flight deals from Portland to La Crosse. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to La Crosse. Data last updated September 19, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:01 am -
1 stop8h 51m
Sat 10/35:22 pm -
1 stop8h 45m
Deal found 9/14![American Airlines logo]()
$510
This American Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:06 pm -
2 stops10h 16m
Tue 10/612:23 pm -
1 stop9h 18m
Deal found 9/17![American Airlines logo]()
$621
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:01 am -
1 stop8h 51m
Sat 10/106:50 pm -
1 stop7h 09m
Deal found 9/16![American Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:12 pm -
1 stop8h 47m
Sun 10/116:55 pm -
1 stop7h 04m
Deal found 9/16![American Airlines logo]()
$650
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:58 am -
2 stops10h 01m
Sat 10/1012:23 pm -
2 stops10h 48m
Deal found 9/16![American Airlines logo]()
$651
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:12 pm -
1 stop8h 47m
Tue 11/105:57 am -
1 stop8h 31m
Deal found 9/15![American Airlines logo]()
$430
One-way flights from Portland to La CrosseSearch for one-way flight options from Portland to La Crosse. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
Search for one-way flight options from Portland to La Crosse. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:06 am -
2 stops30h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:55 pm -
1 stop10h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![American Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:01 am -
1 stop15h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![American Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:20 pm -
2 stops38h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$427
Find flight deals from Portland to La Crosse
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to La Crosse (LSE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $430 (American Airlines) |
One-way from | $239 (Kiwi.com) |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 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
Cheapest round-trip
PortlandLa Crosse
PDX Portland - LSE La Crosse
PDXLSE
Portland
Thu 10/8
11:06 am-7:16 pm
2 stops30h 10m
La Crosse
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
Quickest round-trip
PortlandLa Crosse
PDX Portland - LSE La Crosse
PDXLSE
Portland
Fri 10/9
10:55 pm-11:53 am
1 stop10h 58m
La Crosse
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$358
PortlandLa Crosse
PDX Portland - LSE La Crosse
PDXLSE
Portland
Tue 10/27
1:12 pm-11:59 pm
1 stop8h 47m
La Crosse
Tue 11/10
5:57 am-12:28 pm
1 stop8h 31m
$430
PortlandLa Crosse
PDX Portland - LSE La Crosse
PDXLSE
Portland
Thu 10/8
10:55 pm-11:53 am
1 stop10h 58m
La Crosse
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$447
PortlandLa Crosse
PDX Portland - LSE La Crosse
PDXLSE
Portland
Fri 10/9
12:25 pm-5:10 pm
3 stops50h 45m
La Crosse
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$478
PortlandLa Crosse
PDX Portland - LSE La Crosse
PDXLSE
Portland
Fri 11/13
1:22 pm-12:18 am
1 stop8h 56m
La Crosse
Wed 11/18
12:24 pm-7:47 pm
1 stop9h 23m
$494
PortlandLa Crosse
PDX Portland - LSE La Crosse
PDXLSE
Portland
Tue 9/29
6:01 am-4:52 pm
1 stop8h 51m
La Crosse
Sat 10/3
5:22 pm-12:07 am
1 stop8h 45m
$510
PortlandLa Crosse
PDX Portland - LSE La Crosse
PDXLSE
Portland
Tue 12/8
5:00 am-6:16 pm
2 stops11h 16m
La Crosse
Tue 12/15
6:00 am-5:54 pm
2 stops13h 54m
$571
PortlandLa Crosse
PDX Portland - LSE La Crosse
PDXLSE
Portland
Sun 10/4
6:01 am-4:52 pm
1 stop8h 51m
La Crosse
Sat 10/10
6:50 pm-11:59 pm
1 stop7h 09m
$580
Sorted by cheapest first
Compare providers for flights from Portland to La Crosse
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to La Crosse in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-La Crosse flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-La Crosse flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-La Crosse flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-La Crosse flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-La Crosse flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to La Crosse
Have a flexible travel schedule? Discover the best time to fly to La Crosse from Portland with our price prediction graph.
PDX-LSE
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Portland to La Crosse. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near La Crosse?
Book flights to La Crosse if you plan to visit one of these locationsDecorah
Winona
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