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$60+ Cheap flights from Portland, ME (PWM) to Chicago (CHI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — CHI
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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The best prices from Portland to Chicago are usually found in September or August, booked 39 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Portland to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Chicago (CHI). 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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$228
(United Airlines)

One-way from

$60
(Mytrip)

Popular in

April

Cheapest in

September

Average price

$494
Provider with most accurate pricing for Portland-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Portland-Chicago (CHI) flights.
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From Portland to Chicago (CHI)
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One-way flight from Portland to Chicago (CHI)
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High demand for flights, 18% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Portland to Chicago

Cheapest flights from Portland to Chicago
Explore the most affordable flight options available from Portland to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This American Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/315:39 amPWM - ORD
1 stop6h 22mAmerican Airlines
Sat 1/45:02 amORD - PWM
1 stop6h 20mAmerican Airlines
Deal found 12/17$238
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:05 amPWM - MDW
1 stop4h 45mDelta
Sat 1/46:25 pmMDW - PWM
1 stop3h 57mDelta
Deal found 12/17$263
This United deal was found by Cheapflights users on 12/17. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/317:16 pmPWM - ORD
1 stop5h 09mUnited Airlines
Sat 1/46:10 pmORD - PWM
Nonstop2h 32mUnited Airlines
Deal found 12/17$334
This Southwest deal was found by Cheapflights users on 12/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:00 amPWM - ORD
2 stops13h 10mSouthwest
Fri 1/33:10 pmORD - PWM
1 stop7h 45mSouthwest
Deal found 12/16$338
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:05 amPWM - ORD
1 stop5h 16mDelta
Fri 1/310:05 amORD - PWM
2 stops12h 09mDelta
Deal found 12/17$358
This Southwest deal was found by Cheapflights users on 12/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:00 amPWM - MDW
2 stops9h 10mSouthwest
Wed 1/11:10 pmMDW - PWM
1 stop8h 20mSouthwest
Deal found 12/17$433
This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/206:14 pmPWM - ORD
2 stops14h 33mMultiple Airlines
Tue 12/3112:09 pmORD - PWM
3 stops22h 20mMultiple Airlines
Deal found 12/17$644
This Booking.com deal was found by Cheapflights users on 12/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/197:49 pmPWM - MDW
1 stop14h 42mFrontier
Sat 12/216:49 pmMDW - PWM
1 stop23h 02mFrontier
Deal found 12/17$663

Find flights from Portland to Chicago within your budget

Customize your flight search to find flights from Portland to Chicago 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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandChicago

PWM - ORD

PWMORD

Portland

Wed 1/8

6:00 am-10:44 am

1 stop5h 44m

Chicago O'Hare Intl

Thu 1/9

2:15 pm-10:30 pm

1 stop7h 15m

$228

PortlandChicago

PWM - MDW

PWMMDW

Portland

Tue 1/28

5:34 am-11:59 am

1 stop7h 25m

Chicago Midway

Thu 1/30

9:34 am-4:06 pm

1 stop5h 32m

$228

PortlandChicago

PWM - ORD

PWMORD

Portland

Fri 1/31

5:44 am-10:51 am

1 stop6h 07m

Chicago O'Hare Intl

Sun 2/2

6:00 am-1:54 pm

1 stop6h 54m

$229

PortlandChicago

PWM - ORD

PWMORD

Portland

Sat 1/18

6:00 am-1:28 pm

2 stops8h 28m

Chicago O'Hare Intl

Tue 1/21

10:30 am-4:06 pm

1 stop4h 36m

$233

PortlandChicago

PWM - ORD

PWMORD

Portland

Wed 1/8

12:00 pm-8:49 pm

1 stop9h 49m

Chicago O'Hare Intl

Sun 1/12

6:06 pm-11:26 am

1 stop16h 20m

$292

PortlandChicago

PWM - MDW

PWMMDW

Portland

Mon 1/27

3:35 pm-9:25 pm

1 stop6h 50m

Chicago Midway

Fri 1/31

8:10 am-3:00 pm

1 stop5h 50m

$298

PortlandChicago

PWM - ORD

PWMORD

Portland

Sun 1/26

4:20 pm-9:30 pm

1 stop6h 10m

Chicago O'Hare Intl

Fri 1/31

11:25 am-10:15 pm

2 stops9h 50m

$303

PortlandChicago

PWM - ORD

PWMORD

Portland

Thu 4/24

6:10 am-12:27 pm

1 stop7h 17m

Chicago O'Hare Intl

Mon 4/28

1:22 pm-11:00 pm

1 stop8h 38m

$307

PortlandChicago

PWM - MDW

PWMMDW

Portland

Wed 2/19

6:48 pm-10:46 pm

1 stop28h 58m

Chicago Midway

Mon 2/24

12:43 pm-9:18 am

1 stop19h 35m

$337

PortlandChicago

PWM - ORD

PWMORD

Portland

Mon 3/3

8:35 pm-1:20 pm

1 stop17h 45m

$60

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 20 results
1
2

Compare providers for flights from Portland to Chicago

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 Chicago in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland, Maine-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Chicago 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, Maine-Chicago 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 Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Portland with our price prediction graph.
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.

Travel insights for flights from Portland to Chicago

Get recent, data-driven insights about flights from Portland to Chicago including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Portland, Maine to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Chicago. Price data was last updated on December 13, 2024.

Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland, Maine to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland, Maine to Chicago?

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Chicago (average of $232). Flying from Portland, Maine to Chicago in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PWM to CHI?

Find hourly flight availability from Portland to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

One of the essential ways to save on airfare from Portland, Maine to Chicago is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 67% on airfare.

What is the cheapest day to fly from Portland, Maine to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Portland to Chicago. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland, Maine to Chicago flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated December 18, 2024.
Get a feel of what it's like to fly with American Airlines, Delta and United Airlines from Portland to Chicago by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Southwest
8.1
Very good
4,848 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Delta
8.0
Very good
8,604 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

JetBlue
7.4
Good
3,279 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

United Airlines
7.4
Good
9,055 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Related info for your journey

Find useful and relevant information for your journey from Portland to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Chicago?

    For a flight from Portland to Chicago, you will be flying from Portland. Portland (PWM) is just 2.9 mi from the center of the city. Portland is the only Portland airport and it handles 1 outbound flight to Chicago per day. 5 airlines have flights to Chicago from Portland on a regular basis.

  • What are the cheapest airlines flying from Portland, Maine to Chicago round-trip?

    Cheapflights users have booked flights from Portland, Maine to Chicago round-trip from $228. Other airlines that can offer you cheap pricing are Delta, from $228, and American Airlines, from $229. These flights start at 41% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Portland, Maine to Chicago one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $60. Users have also found prices from $81 and $84 on JetBlue and American Airlines, respectively.

  • What are the most reliable airlines from Portland, Maine to Chicago?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portland, Maine to Chicago on time: Qatar Airways (97%), SkyWest Airlines (96%), Republic Airways (92%).

  • What are the cheapest flights from Portland, Maine to Chicago?

    On average you can expect to pay $993 for a flight from Portland, Maine to Chicago. The cheapest flight overall is $167 while the most popular route, (Portland - Chicago O'Hare Intl) is currently priced at $208.

  • Can I find deals for flights from Portland to Chicago that include hotel bookings?

    Yes. In addition to deals on Portland to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Chicago.

  • Can I find deals for business class flights from Portland to Chicago?

    Yes. Cheapflights offers flight deals from Portland to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Chicago?

    Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Chicago (average of $232). Flying from Portland, Maine to Chicago in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 5 airlines flying from Portland to Chicago

Discover the top 5 airlines that operate flights from Portland to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$110FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$158Average$357FlexibilityNo cancel feeOn-time71%
DeltaCheapest$201Average$392FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$206Average$409FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$281Average$387FlexibilityNo cancel feeOn-time63%
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