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Cheap flights from Portland to Chicago from $48

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Chicago departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Portland to Chicago

Cheap round-trip flights

These are some of the best round-trip flight deals from Portland to Chicago that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland to Chicago.

Cheap last minute flights

Planning a quick getaway from Portland to Chicago? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Chicago, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Portland to Chicago

Find recent round-trip train or bus tickets from Portland to Chicago.

All round-trip flight deals from Portland to Chicago

The cheapest plane tickets from Portland to Chicago found on KAYAK recently.
7:35 am - 10:37 pmPDX-ORD
13h 02m1 stop
7:59 pm - 8:40 amORD-PDX
14h 41m1 stop
$110Frontier
Find Deal
Tue, Feb 11 - Sat, Feb 15
12:03 pm - 12:17 amPDX-MDW
10h 14m1 stop
8:44 pm - 8:40 amMDW-PDX
13h 56m1 stop
$110Frontier
Find Deal
Mon, Feb 10 - Sat, Feb 22
8:28 pm - 6:07 amPDX-ORD
7h 39m1 stop
1:32 pm - 7:31 pmORD-PDX
7h 59m1 stop
$158Spirit Airlines
Find Deal
Tue, Feb 25 - Tue, Mar 4
8:28 pm - 6:07 amPDX-ORD
7h 39m1 stop
7:41 am - 1:38 pmORD-PDX
7h 57m1 stop
$166Spirit Airlines
Find Deal
Fri, Feb 21 - Wed, Mar 5
7:05 am - 1:05 pmPDX-ORD
4h 00mnonstop
4:15 pm - 6:48 pmORD-PDX
4h 33mnonstop
$227United Airlines
Find Deal
Sat, Mar 1 - Wed, Mar 5
2:15 pm - 12:15 amPDX-ORD
8h 00m1 stop
8:16 pm - 10:56 pmORD-PDX
4h 40mnonstop
$237United Airlines
Find Deal
Wed, Mar 12 - Tue, Mar 18
11:55 pm - 6:00 amPDX-ORD
4h 05mnonstop
10:05 am - 12:32 pmORD-PDX
4h 27mnonstop
$238American Airlines
Find Deal
Thu, Apr 10 - Tue, Apr 22
7:00 am - 1:04 pmPDX-ORD
4h 04mnonstop
5:54 pm - 10:56 pmORD-PDX
7h 02m1 stop
$242Alaska Airlines
Find Deal
Sat, Feb 22 - Tue, Mar 4
11:55 pm - 6:00 amPDX-ORD
4h 05mnonstop
8:25 pm - 11:01 pmORD-PDX
4h 36mnonstop
$249American Airlines
Find Deal
Fri, Apr 4 - Sun, Apr 13
10:32 am - 11:59 pmPDX-ORD
11h 27m1 stop
4:05 pm - 6:44 pmORD-PDX
4h 39mnonstop
$252Alaska Airlines
Find Deal
Thu, Feb 20 - Tue, Feb 25
6:32 am - 12:17 amPDX-MDW
15h 45m1 stop
$48Frontier
Find Deal
Tue, Feb 25
6:32 am - 12:17 amPDX-MDW
15h 45m1 stop
$52Frontier
Find Deal
Tue, Feb 25
7:32 pm - 5:26 amPDX-ORD
7h 54m1 stop
$73Spirit Airlines
Find Deal
Sat, Mar 8
8:28 pm - 6:07 amPDX-ORD
7h 39m1 stop
$78Spirit Airlines
Find Deal
Mon, Feb 24
7:00 am - 1:04 pmPDX-ORD
4h 04mnonstop
$114Alaska Airlines
Find Deal
Tue, Feb 25
11:55 pm - 6:00 amPDX-ORD
4h 05mnonstop
$125American Airlines
Find Deal
Thu, Apr 17
7:00 am - 1:04 pmPDX-ORD
4h 04mnonstop
$129Alaska Airlines
Find Deal
Thu, Feb 20
11:58 pm - 5:55 amPDX-ORD
3h 57mnonstop
$151United Airlines
Find Deal
Thu, Mar 6
10:59 pm - 5:00 amPDX-ORD
4h 01mnonstop
$159United Airlines
Find Deal
Tue, Jul 22
11:55 pm - 6:00 amPDX-ORD
4h 05mnonstop
$190American Airlines
Find Deal
Sun, Jun 15
12:03 pm - 12:32 amPDX-ORD
10h 29m1 stop
7:59 pm - 8:40 amORD-PDX
14h 41m1 stop
$230Frontier
Find Deal
Sun, Jan 26 - Sat, Feb 15
5:30 pm - 5:31 amPDX-ORD
10h 01m1 stop
10:47 pm - 9:21 amORD-PDX
12h 34m1 stop
$293Spirit Airlines
Find Deal
Tue, Jan 28 - Thu, Jan 30
6:45 am - 4:21 pmPDX-MDW
7h 36m1 stop
10:57 am - 5:58 pmMDW-PDX
9h 01m1 stop
$513Delta
Find Deal
Tue, Jan 28 - Mon, Feb 10
1:52 pm - 11:59 pmPDX-ORD
8h 07m1 stop
3:35 pm - 6:18 pmORD-PDX
4h 43mnonstop
$523Alaska Airlines
Find Deal
Tue, Jan 28 - Mon, Feb 10
7:00 am - 1:01 pmPDX-ORD
4h 01mnonstop
4:15 pm - 6:48 pmORD-PDX
4h 33mnonstop
$568United Airlines
Find Deal
Sun, Jan 26 - Sat, Feb 15
6:05 am - 2:03 pmPDX-ORD
5h 58m1 stop
3:35 pm - 6:18 pmORD-PDX
4h 43mnonstop
$593Alaska Airlines
Find Deal
Tue, Jan 28 - Mon, Feb 10
10:16 am - 9:22 pmPDX-ORD
9h 06m1 stop
4:58 pm - 11:58 pmORD-PDX
9h 00m2 stops
$630Delta
Find Deal
Tue, Jan 28 - Mon, Feb 10
9:00 am - 2:55 pmPDX-MDW
3h 55mnonstop
8:30 am - 10:55 amMDW-PDX
4h 25mnonstop
$637Southwest
Find Deal
Fri, Jan 24 - Wed, Jan 29
8:35 am - 6:30 pmPDX-MDW
7h 55m1 stop
8:30 am - 10:55 amMDW-PDX
4h 25mnonstop
$647Southwest
Find Deal
Fri, Jan 24 - Wed, Jan 29
10:56 am - 4:57 pmPDX-ORD
4h 01mnonstop
9:10 am - 11:53 amORD-PDX
4h 43mnonstop
$653United Airlines
Find Deal
Tue, Jan 28 - Mon, Feb 10
7:05 am - 1:05 pmPDX-ORD
4h 00mnonstop
4:15 pm - 6:48 pmORD-PDX
4h 33mnonstop
$227United Airlines
Find Deal
Sat, Mar 1 - Wed, Mar 5
9:00 am - 2:55 pmPDX-MDW
3h 55mnonstop
5:00 pm - 7:25 pmMDW-PDX
4h 25mnonstop
$232Southwest
Find Deal
Wed, Feb 19 - Sat, Feb 22
11:55 pm - 6:00 amPDX-ORD
4h 05mnonstop
10:05 am - 12:32 pmORD-PDX
4h 27mnonstop
$238American Airlines
Find Deal
Thu, Apr 10 - Tue, Apr 22
9:00 am - 2:55 pmPDX-MDW
3h 55mnonstop
2:50 pm - 5:10 pmMDW-PDX
4h 20mnonstop
$238Southwest
Find Deal
Tue, Mar 4 - Fri, Mar 7
7:00 am - 1:04 pmPDX-ORD
4h 04mnonstop
4:05 pm - 6:44 pmORD-PDX
4h 39mnonstop
$242Alaska Airlines
Find Deal
Thu, Feb 20 - Tue, Feb 25
6:35 am - 12:30 pmPDX-MDW
3h 55mnonstop
8:30 am - 10:55 amMDW-PDX
4h 25mnonstop
$242Southwest
Find Deal
Thu, Feb 27 - Wed, Mar 5
7:00 am - 1:04 pmPDX-ORD
4h 04mnonstop
4:05 pm - 6:44 pmORD-PDX
4h 39mnonstop
$247Alaska Airlines
Find Deal
Sat, Feb 22 - Sat, Mar 1
11:55 pm - 6:00 amPDX-ORD
4h 05mnonstop
8:25 pm - 11:01 pmORD-PDX
4h 36mnonstop
$249American Airlines
Find Deal
Fri, Apr 4 - Sun, Apr 13
7:00 am - 1:04 pmPDX-ORD
4h 04mnonstop
4:05 pm - 6:44 pmORD-PDX
4h 39mnonstop
$252Alaska Airlines
Find Deal
Tue, Mar 11 - Tue, Mar 18
7:00 am - 1:04 pmPDX-ORD
4h 04mnonstop
4:05 pm - 6:44 pmORD-PDX
4h 39mnonstop
$258Alaska Airlines
Find Deal
Fri, Feb 21 - Wed, Mar 12

Frontier flights from Portland to Chicago

Our best Frontier deals on Portland to Chicago flight tickets
Frontier
Feb 11
PDX7:35 amPortland
13h 02m
1 stop
ORD10:37 pmChicago O'Hare Intl
Feb 15
ORD7:59 pmChicago O'Hare Intl
14h 41m
1 stop
PDX8:40 amPortland
Frontier
Feb 22
PDX6:32 amPortland
15h 45m
1 stop
MDW12:17 amChicago Midway
Mar 1
MDW6:40 amChicago Midway
19h 57m
1 stop
PDX12:37 amPortland
Frontier
Feb 19
PDX6:32 amPortland
28h 53m
1 stop
ORD1:25 pmChicago O'Hare Intl
Feb 26
ORD6:50 amChicago O'Hare Intl
19h 47m
1 stop
PDX12:37 amPortland

Spirit Airlines flights from Portland to Chicago

Our best Spirit Airlines deals on Portland to Chicago flight tickets
Spirit Airlines
Feb 25
PDX8:28 pmPortland
7h 39m
1 stop
ORD6:07 amChicago O'Hare Intl
Mar 4
ORD1:32 pmChicago O'Hare Intl
7h 59m
1 stop
PDX7:31 pmPortland
Spirit Airlines
Feb 21
PDX8:28 pmPortland
7h 39m
1 stop
ORD6:07 amChicago O'Hare Intl
Mar 5
ORD7:41 amChicago O'Hare Intl
7h 57m
1 stop
PDX1:38 pmPortland
Spirit Airlines
Feb 28
PDX8:28 pmPortland
7h 39m
1 stop
ORD6:07 amChicago O'Hare Intl
Mar 11
ORD7:41 amChicago O'Hare Intl
7h 57m
1 stop
PDX1:38 pmPortland

See travel insights to Chicago from

How to get the cheapest flight ticket from Portland to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chicago?

The month of February is, on average, the cheapest month to fly to Chicago from Portland, with most prices found around $297. If you’re not able to fly to Chicago in February, then August is your next best option. Flight prices from Portland to Chicago during August average around $299.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Thursday when prices can be found for as low as $486. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Chicago for around $633.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Portland to Chicago during this time can be as low as $412. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $576.

What is the cheapest Portland to Chicago flight route?

Fly from Portland to Chicago O'Hare Intl for the best Portland - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Portland when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $360 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Portland for as low as $290 on momondo.

What cabin class options are available on Portland to Chicago flights?

There are 4 cabin classes available to choose from on Portland to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Portland to Chicago flight prices changed over time?

As of January 2025, prices for Portland to Chicago flights are approximately 35% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Chicago (PDX to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Chicago

Best Price Found

$48

Fastest flight time

3h 44m

Direct flights

Every day

Airports in Chicago

2 airports
The best one-way flight to Chicago from Portland in the past 72 hours is $48. The best round-trip flight deal from Portland to Chicago found on momondo in the last 72 hours is $110.
The fastest flight from Portland to Chicago takes 3h 44m
Direct flights go from Portland to Chicago every day.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

  • How far is Portland to Chicago by plane?

    Portland and Chicago are 1753.4 mi apart from one another. A reasonable flight in good conditions will take 3h 55m.

  • When did momondo last update prices for flights from Portland Airport to Chicago?

    Prices for flights from Portland Airport to Chicago are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Chicago?

  • How old do you have to be to fly from Portland Airport to Chicago?

    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 Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Portland to Chicago?

  • What is the most popular airline from Portland to Chicago?


Best airlines flying from Portland to Chicago

Compare and see reviews for airlines that fly from Portland to Chicago with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $82Free CancellationRating
6.3
8,108 reviews
Search Spirit Airlines flights
FrontierPriceFrom $108Free CancellationRating
6.0
3,440 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $178Free CancellationRating
8.0
9,699 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $188Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $207Free CancellationRating
8.0
8,508 reviews
Search Delta flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
8,971 reviews
Search United Airlines flights
SouthwestPriceFrom $233Free CancellationRating
8.1
4,647 reviews
Search Southwest flights
  • Southwest Flights From Portland to Chicago

    Southwest flies from Portland to Chicago around 7 times per week, with 4,647 momondo users rating the airline 8.1/10. The cheapest Southwest deal from Portland to Chicago in the last 72 hours was $233 (round-trip), much lower than the average airfare cost of $504 for Southwest flights on this route.

  • Alaska Airlines Flights From Portland to Chicago

    Another popular option for Portland to Chicago flights is Alaska Airlines (8.0/10, 9,699 ratings). Alaska Airlines flies from Portland to Chicago around 5 times per week, with deals starting from $178 round-trip and rising to an average price of around $343.


Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Hammond
New Buffalo
Portage
Benton Harbor
Lansing
Saint Joseph
Valparaiso
Munster
Crown Point
Schererville
Monticello
Chesterton
Porter
Griffith
Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Chicago?

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 Chicago from Portland.

Can I find flights from Portland to Chicago with flexible booking policies on momondo?

Flights from Portland to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Chicago?

Once all potential Portland to Chicago 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 Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago