Find cheap airlines flights from Chicago to Portland

You can choose from 3 airlines that fly from Chicago to Portland, including Alaska Airlines, American Airlines, and United Airlines. United Airlines has lowest fares on this route.
Alaska Airlines logo Alaska Airlines
American Airlines logo American Airlines
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from Chicago to Portland according to previous 12 months data from Trip.com.

Book direct flights from Chicago to Portland: One way flights from $99, round trip flights from $303. Find flight deals for the next 3 months below.

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

Flight Info | Chicago to Portland

The distance between Chicago and Portland is approximately 2,816.22 km. It takes around 4 hours 28 minutes on average to fly from Chicago to Portland. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price$99
Cheapest round-trip ticket price$271
Off-season for travelNovember
Peak season for travelJuly
Flight distance2,816.22 km
Average flight time4 hours 28 minutes
Popular airlineAlaska Airlines
Flight statistics for the Chicago–Portland route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Chicago to Portland

Which month has the cheapest one-way flights from Chicago to Portland?

The average price of one-way flights from Chicago to Portland purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Chicago to Portland is August, with an average price of $120; while the month with the highest flight price is usually March, with an average price of up to $327.

$327
$224
$120
$17
    Cheapest
  • $202
    Jun
  • $222
    Jul
  • $120
    Aug
  • $252
    Sep
  • $249
    Oct
  • $188
    Nov
  • $245
    Dec
  • $133
    Jan
  • $172
    Feb
  • $327
    Mar
  • $252
    Apr
  • $282
    May

When is the cheapest day to fly from Chicago to Portland during Juneteenth National Independence Day?

Data is based on the lowest one-way price from Chicago to Portland during Juneteenth National Independence Day on Trip.com in the past 3 days.

Juneteenth National Independence Day is scheduled for Jun 19. The cheapest flights from Chicago to Portland are available on Jun 20, with fares starting at $163.

$363
$263
$163
$63
    Cheapest
  • $200
    15
    Jun
  • $174
    16
  • $255
    17
  • $363
    18
  • $174
    19
  • $163
    20
  • $207
    21

Frequently Asked Questions

  • What are the cheapest flights from Chicago to Portland (CHI-PDX)?

    Based on Trip.com data, United Airlines offers one-way fares as low as $99 on Cheapest nonstop routes (e.g. ORD to PDX on Tue, Jun 9), while Alaska Airlines offers Cheapest nonstop round-trips from $271 departing on Thu, Jun 11 and returning on Sun, Jun 14.
  • At the moment, you can catch a nonstop flight from Chicago to Portland with the following airlines, including: American Airlines Alaska Airlines United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 4 hours 28 minutes to fly from Chicago (CHI) to Portland (PDX).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to Portland 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.
  • Based on Trip.com data in the past 4 weeks, there is 24 flight per week flying from Chicago to Portland. You can check the weekly schedule for popular airlines on this route below: American Airlines: S/M/T/W/T/F/S -- AA2284 (08:35) United Airlines: S/M/T/W/T/F/S -- UA1994 (10:01)
  • To find best deals on flights from Chicago to Portland, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jun 9, with one-way flights priced at just $99.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · 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 Portland travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chicago to Portland is November, when demand for travel is lower.
  • You can land at any one of the following hubs in Portland, with Chicago O'Hare International Airport to Portland International Airport (ORD-PDX) is by far the most common option on this route: Portland International Airport (PDX) Hillsboro Airport (HIO).
  • The time difference between Portland and Chicago is 2h.
  • 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.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.