Trip.com
>
Flights
>
Flights to United States
>
Flights to Wisconsin
>
Flights to La Crosse
Hotels in La Crosse
>
Flights from Portland to La Crosse

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

      • PWM 13:00
        17h 25m
        1 stop
        LSE Invalid Date
        Portland - La Crosse | Fri, Dec 12 | Normal Airline
        LSE 15:00
        6h
        Nonstop
        PWM 16:00
        La Crosse - Portland | Sun, Dec 14 | Normal Airline
        Search
        Search
      • PWM 13:00
        17h 25m
        1 stop
        LSE Invalid Date
        Portland - La Crosse | Fri, Dec 12 | Normal Airline
        LSE 15:00
        6h
        Nonstop
        PWM 16:00
        La Crosse - Portland | Sun, Dec 14 | Normal Airline
        Search
        Search
      • PWM 13:00
        17h 25m
        1 stop
        LSE Invalid Date
        Portland - La Crosse | Fri, Dec 12 | Normal Airline
        LSE 15:00
        6h
        Nonstop
        PWM 16:00
        La Crosse - Portland | Sun, Dec 14 | Normal Airline
        Search
        Search
      • PWM 13:00
        17h 25m
        1 stop
        LSE Invalid Date
        Portland - La Crosse | Fri, Dec 12 | Normal Airline
        LSE 15:00
        6h
        Nonstop
        PWM 16:00
        La Crosse - Portland | Sun, Dec 14 | Normal Airline
        Search
        Search
      • PWM 13:00
        17h 25m
        1 stop
        LSE Invalid Date
        Portland - La Crosse | Fri, Dec 12 | Normal Airline
        LSE 15:00
        6h
        Nonstop
        PWM 16:00
        La Crosse - Portland | Sun, Dec 14 | Normal Airline
        Search
        Search
      • PWM 13:00
        17h 25m
        1 stop
        LSE Invalid Date
        Portland - La Crosse | Fri, Dec 12 | Normal Airline
        LSE 15:00
        6h
        Nonstop
        PWM 16:00
        La Crosse - Portland | Sun, Dec 14 | Normal Airline
        Search
        Search
      • PWM 13:00
        17h 25m
        1 stop
        LSE Invalid Date
        Portland - La Crosse | Fri, Dec 12 | Normal Airline
        LSE 15:00
        6h
        Nonstop
        PWM 16:00
        La Crosse - Portland | Sun, Dec 14 | Normal Airline
        Search
        Search
      • PWM 13:00
        17h 25m
        1 stop
        LSE Invalid Date
        Portland - La Crosse | Fri, Dec 12 | Normal Airline
        LSE 15:00
        6h
        Nonstop
        PWM 16:00
        La Crosse - Portland | Sun, Dec 14 | Normal Airline
        Search
        Search
      • PWM 13:00
        17h 25m
        1 stop
        LSE Invalid Date
        Portland - La Crosse | Fri, Dec 12 | Normal Airline
        LSE 15:00
        6h
        Nonstop
        PWM 16:00
        La Crosse - Portland | Sun, Dec 14 | Normal Airline
        Search
        Search

Displayed flight fares from Portland to La Crosse are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Portland to La Crosse Flight Details

The distance between Portland and La Crosse is about 1,677.9 km. Based on Trip.com's latest data, travel demand is highest in June. The off-season for travel is June.

Cheapest monthJune
Peak season for travelJune
Flight distance1,677.9 km

Frequently Asked Questions

  • When is the best time to book flights from Portland to La Crosse?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Portland to La Crosse is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Portland to La Crosse, you can use various tools on Trip.com:
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for La Crosse travel is around June.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Portland to La Crosse is June, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Portland to La Crosse on June 27, 2025 with United Airlines, with prices starting at €650.
  • The time difference between La Crosse and Portland is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Explore More Popular Flights