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Cheap Flights from Portland (PWM) to Chicago (CHIA)

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Compare Portland to Chicago flight deals

Find the cheapest month or even day of the year to fly to Chicago

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Flight deals from Portland to Chicago

Looking for a cheap last-minute deal or the best return flight from Portland to Chicago? Find the lowest prices on one-way and return tickets right here.
Chicago.£161 per passenger.Departing Wed, 2 Jul, returning Mon, 7 Jul.Return flight with United.Outbound direct flight with United departs from Portland on Wed, 2 Jul, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Mon, 7 Jul, arriving in Portland.Price includes taxes and charges.From £161, select.
United
Wed, 2 JulPWM - ORD with United
Direct
United
Mon, 7 JulORD - PWM with United
Direct
from £161
Chicago.£162 per passenger.Departing Fri, 29 Aug, returning Sun, 31 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Portland on Fri, 29 Aug, arriving in Chicago Midway.Inbound direct flight with Southwest Airlines departs from Chicago Midway on Sun, 31 Aug, arriving in Portland.Price includes taxes and charges.From £162, select.
Fri, 29 AugPWM - MDW with Southwest Airlines
Direct
Sun, 31 AugMDW - PWM with Southwest Airlines
Direct
from £162
Chicago.£162 per passenger.Departing Fri, 27 Jun, returning Tue, 1 Jul.Return flight with United.Outbound direct flight with United departs from Portland on Fri, 27 Jun, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Tue, 1 Jul, arriving in Portland.Price includes taxes and charges.From £162, select.
United
Fri, 27 JunPWM - ORD with United
Direct
United
Tue, 1 JulORD - PWM with United
Direct
from £162
Chicago.£180 per passenger.Departing Wed, 27 Aug, returning Mon, 1 Sep.Return flight with United.Outbound direct flight with United departs from Portland on Wed, 27 Aug, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Mon, 1 Sep, arriving in Portland.Price includes taxes and charges.From £180, select.
United
Wed, 27 AugPWM - ORD with United
Direct
United
Mon, 1 SepORD - PWM with United
Direct
from £180
Chicago.£195 per passenger.Departing Wed, 30 Jul, returning Wed, 6 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Wed, 30 Jul, arriving in Chicago O'Hare International.Inbound indirect flight with Delta, departs from Chicago Midway on Wed, 6 Aug, arriving in Portland.Price includes taxes and charges.From £195, select.
Wed, 30 JulPWM - ORD with Delta
1 stop
Wed, 6 AugMDW - PWM with Delta
1 stop
from £195
Chicago.£200 per passenger.Departing Thu, 26 Jun, returning Mon, 30 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Thu, 26 Jun, arriving in Chicago Midway.Inbound indirect flight with Delta, departs from Chicago O'Hare International on Mon, 30 Jun, arriving in Portland.Price includes taxes and charges.From £200, select.
Thu, 26 JunPWM - MDW with Delta
1 stop
Mon, 30 JunORD - PWM with Delta
1 stop
from £200
Chicago.£209 per passenger.Departing Tue, 2 Sep, returning Sat, 6 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Tue, 2 Sep, arriving in Chicago O'Hare International.Inbound indirect flight with Southwest Airlines, departs from Chicago O'Hare International on Sat, 6 Sep, arriving in Portland.Price includes taxes and charges.From £209, select.
Tue, 2 SepPWM - ORD with Southwest Airlines
1 stop
Sat, 6 SepORD - PWM with Southwest Airlines
1 stop
from £209
Chicago.£230 per passenger.Departing Sat, 4 Oct, returning Mon, 13 Oct.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Portland on Sat, 4 Oct, arriving in Chicago O'Hare International.Inbound direct flight with American Airlines departs from Chicago O'Hare International on Mon, 13 Oct, arriving in Portland.Price includes taxes and charges.From £230, select.
American Airlines
Sat, 4 OctPWM - ORD with American Airlines
Direct
American Airlines
Mon, 13 OctORD - PWM with American Airlines
Direct
from £230
How did we find these deals? The deals you see here are the lowest prices for flight tickets from Portland to Chicago found in the last 4 days, and are subject to change and availability.

The cheapest month to fly from Portland Airport to Chicago

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the Portland Airport to Chicago flight prices forecast over the next 12 months.
Jun
from £200
Jul
from £161
Aug
from £162
Sep
from £209
Oct
from £230
Nov
Find prices
Dec
Find prices
Jan
Find prices
Feb
Find prices
Mar
Find prices
Apr
Find prices
May
Find prices
Cheapest month:July
Most expensive month:October

Direct flights from Portland to Chicago

Alternative Portland to Chicago routes

Looking for the cheapest, fastest or easiest route from Portland to Chicago? You could fly into the following airports instead.

Portland to Chicago: Flight information

The things to know before you go.
Cheapest flight found£161
Cheapest month to flyJuly
Average flight time2 hrs, 47 mins
Most popular airlineUnited
Average flights per week70

Finding cheap flights from Portland to Chicago: Frequently asked questions

There are 4 airports in Chicago: Chicago Midway, Chicago O'Hare International, Chicago Dupage County, and Chicago Rockford.
The best price we found for a return flight from Portland to Chicago is £161. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 46 minutes is the average flight time from Portland to Chicago.
United, American Airlines and Republic Airways fly direct from Portland to Chicago.
As of June 2025, there are 70 flights per week flying from Portland to Chicago.
The cheapest month to fly from Portland to Chicago is usually June 2025.
If you're flying from Portland Airport, the cheapest airport near Chicago is Chicago O'Hare International – which is 15.8 miles away from the centre of Chicago. We've found flights into this airport from £161.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Chicago on Wednesday, 2 July 2025.
Yes – the average flight time is 2 hours and 46 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 19°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.
Currently, United offers the cheapest flight tickets to Chicago.

Flying from Portland International Jetport Airport (PWM) to Chicago: what you need to know

  • Book a direct flight from Portland International Jetport Airport to Chicago and you'll be in the air for around 2 hours 30 minutes.

  • The timezone in Chicago is UTC-5. The city is one hour behind Portland, where Portland International Jetport Airport is located.

  • Portland International Jetport Airport (PWM) to O'Hare International Airport (ORD) is the most traveled route, with 23 departures a week to pick from. If you prefer a later start to the day, the last flight from PWM to ORD is with United Airlines at 18:23. Go for the first departure with American Airlines at 06:00 if you want to fly out earlier.

  • To avoid rushing for your PWM to Chicago flight, leave enough time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the standard rule.

  • If you're travelling during a major holiday or another peak period, allow for even more time. A good rule is two hours before domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

  • Start your journey at PWM and fly straight to O'Hare International Airport (ORD). That's where you can expect to touch down when searching for Portland International Jetport Airport to Chicago tickets.

  • Pick from a variety of airlines operating direct flights from Portland International Jetport Airport to Chicago. Book your journey with one of these:

    • United Airlines

    • American Airlines

    • Southwest Airlines

  • The journey from central Portland to PWM takes about 40 minutes by public transport. If you drive, ride-share or grab a cab, you'll cover the 3 miles in 15 minutes or so, depending on traffic.

  • Have an early flight from Portland International Jetport Airport to Chicago? Avoid the hassle of rushing to the airport (and catch some extra z's) by choosing one of these hotels near PWM:

    • The Westin Portland Harborview

    • Embassy Suites by Hilton Portland Maine

    • Hilton Garden Inn Portland Downtown Waterfront

  • Portland International Jetport Airport maintains a strong on-time record, so flight disruptions are less likely. Departures from PWM arrive on schedule 82.15% of the time.

  • The address for PWM is 1001 Westbrook Street.

How to find the cheapest flights from Portland International Jetport Airport (PWM) to Chicago

  • £66 is currently the lowest price for a one-way Portland International Jetport Airport to Chicago flight. Return plane tickets start from £161. These fares can change depending on availability and demand.

  • Don't leave things to the last minute. You're more likely to land cheap flights from PWM to Chicago if you book early. Airlines often have some great early bird discounts.

  • The 'Whole month' search tool will show you the cheapest tickets from Portland International Jetport Airport to Chicago across each month. It's a good way to find a bargain if your travel plans aren't set in stone.

  • Never miss a deal on cheap flights from PWM to Chicago by creating a Price Alert. You'll receive an email or notification on the app when a lower fare pops up.

  • Find an affordable flight from Portland International Jetport Airport to Chicago with the help of our filters. Select your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Chicago

O'Hare International Airport (ORD)

  • The distance from O'Hare International Airport (ORD) to central Chicago is roughly 25 miles. It'll take you about 35 minutes to reach the centre driving.

  • Getting there by public transport takes about 55 minutes.

  • The last thing you need is a lengthy journey to your hotel if you're landing late on a flight from Portland International Jetport Airport to Chicago. Reserve one of these accommodation options near ORD instead:

    • Super 8 by Wyndham Chicago OHare Airport

    • Hilton Chicago OHare Airport

    • DoubleTree by Hilton Chicago OHare Airport-Rosemont

  • Grab an O'Hare International Airport rental car and explore Chicago and beyond with your own set of wheels. Routes Car Rentals, Dollar and Budget are leading providers you can book with here.

  • Reserving your ride from O'Hare International Airport about four weeks ahead of your flight from PWM to Chicago can help you get the lowest rate.

  • You'll find ORD at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • The centre of Chicago is around 12 miles from Chicago Midway International Airport (MDW). Once your flight from Portland International Jetport Airport to Chicago has hit the runway and you've made your way out of the airport, expect a drive of about 20 minutes.

  • If you choose to travel on public transport, the ride to the centre takes 45 minutes or so.

  • You'll find some great places to call home for the night near MDW. Unwind and get cosy after your PWM to Chicago flight at any of these well-located options:

    • Holiday Inn Chicago Midway Airport S by IHG

    • Carlton Inn Midway

    • Skylark Motel

  • Forget about public transport timetables or cab lines. Grab a Chicago Midway International Airport rental car and take your trip in whatever direction you choose. Check out the availability and rates from Dollar, Hertz and Budget.

  • Don't pay more than you need to. Reserving your ride four weeks ahead of your arrival at MDW will help you save.

  • The address for Chicago Midway International Airport is 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • Find your way to the city centre after your flight from Portland International Jetport Airport to Chicago has landed. Central Chicago is around 85 miles from Chicago Rockford International Airport (RFD) and takes roughly 1 hour 25 minutes to reach by cab or ride-share.

  • Public transport can get you there in around 4 hours 15 minutes.

  • Enjoy a restful, unhurried start to your break by checking in to a hotel near RFD after your PWM to Chicago flight. Rest up after a long day of travel or just take a moment to find your footing in a new place at:

    • OYO Hotel at Chicago Rockford International Airport, IL

    • Hotel Weston Rfd

    • Super 8 by Wyndham Rockford South

  • Whether you'd like a compact for a solo getaway or a spacious SUV to fit a group of friends, you'll find the right Chicago Rockford International Airport rental car for you. Explore the types of wheels available here from companies such as Budget, Alamo and National.

  • Booking a couple of weeks ahead of your flight from Portland International Jetport Airport to Chicago is always a good idea. Along with better deals, you'll get a better selection of vehicle makes and models at RFD.

  • Chicago Rockford International Airport is located at 2 Airport Cir.

Best time to go to Chicago

  • Carefully consider your travel dates before securing your flight from Portland International Jetport Airport to Chicago. The city comes alive during peak season, but rates are usually higher and attractions can be crowded. Go to Chicago in the off-season if you like a quieter vibe.

  • Lock in a Portland International Jetport Airport to Chicago plane ticket with a departure in July if you want to visit the city during its warmest month. Expect temperatures to range from 15ºC (59ºF) to 29ºC (84ºF).

  • If you like travelling in cooler conditions, search for a cheap ticket from PWM to Chicago in January when temperatures average between -12ºC (10ºF) and 3ºC (37ºF).

More about Chicago

  • When it comes to looking for somewhere to lay your head, you'll find the best places to stay in Chicago right here. Browse these options after you've booked your flight from Portland International Jetport Airport to Chicago:

    • Hotel Saint Clair - Magnificent Mile

    • Warwick Allerton Chicago

    • The Whitehall Hotel - BW Premier Collection

  • Art Institute of Chicago and Millennium Park are just a couple of the leading attractions to add to your Chicago travel itinerary. Keep the adventure rolling by checking out LandShark Beer Garden at Navy Pier.

Explore more of United States

  • You've done Chicago, now it's time to discover other parts of United States. Travel about 280 miles south-east to Columbus to tick off its leading sights. From Franklin Park Conservatory and Botanical Gardens to Ohio Statehouse and German Village, your itinerary will be busy.

  • Indianapolis is another must-experience destination in United States and is around 160 miles south-east of Chicago. No trip is complete without a visit to The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

Plan the rest of your trip from Portland to Chicago

  • Car hire in Chicago
  • Hotels in Chicago

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.

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