Cheap Flights from Chicago, IL to Portland, ME from $282

Return flight: Portland – Chicago

On Cheapflightsplus.com you will find 6 direct and 487 connecting flights from Chicago to Portland. You can compare airfare deals from 9 airlines and multiple travel sites from $282, book and save on cheap plane tickets and last minute offers. Also check out CHI-PWM flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Chicago to Portland depends on and how to choose the most interesting flight option for you.

Distance between Chicago and Portland is 1425 miles. Time difference between the cities is 1h. Airplanes depart 05:00 to 21:36 from 7 Chicago airports and arrive 05:00 to 21:36 to 1 Portland airport. Average flight time is 2h 29m.

  • The fastest flight 2h 10m
  • Average flight time 2h 29m
  • The earliest flight 05:00
  • The latest flight 21:36
  • Distance 886 ml

The cheapest months to travel to Portland are july (from 142 $), august (from 145 $), october (from 148 $).

The most expensive months are september (from 148 $), october (from 148 $), august (from 145 $).

What is the lowest airfare Chicago to Portland?

The cheapest plane ticket found by our users is $282. This airfare is for economy class on one-way F91044 flight by Frontier Airlines for October 15, 2025 which leaves O'Hare International in Chicago at 06:40 am and arrives at Portland Portland Intl Jetport at 23:04.

Economy class
$282
Find
Business class
?
Find
First class
?
Find

Flight Schedule Chicago (Illinois) to Portland (Maine)

06:40 — 23:04
15h 24m flight time
Find flight
from$282
06:40 — 10:03 Chicago — New York
F91044 Frontier Airlines
11h 27m stop
21:30 — 23:04 New York — Portland
B6308 JetBlue
06:40 — 13:58
6h 18m flight time
Find flight
from$305
06:40 — 10:03 Chicago — New York
F91044 Frontier Airlines
2h 26m stop
12:29 — 13:58 New York — Portland
DL5399 Delta Air Lines Inc.
06:40 — 00:05+1day
16h 25m flight time
Find flight
from$305
06:40 — 10:03 Chicago — New York
F91044 Frontier Airlines
12h 27m stop
22:30 — 00:05 New York — Portland
DL5411 Delta Air Lines Inc.
06:40 — 16:44
9h 4m flight time
Find flight
from$317
06:40 — 10:03 Chicago — Newark
F91044 Frontier Airlines
5h 13m stop
15:16 — 16:44 Newark — Portland
UA3651 United Airlines
06:40 — 18:23
10h 43m flight time
Find flight
from$317
06:40 — 10:03 Chicago — Newark
F91044 Frontier Airlines
6h 52m stop
16:55 — 18:23 Newark — Portland
UA3483 United Airlines
06:40 — 23:13
15h 33m flight time
Find flight
from$317
06:40 — 10:03 Chicago — Newark
F91044 Frontier Airlines
11h 37m stop
21:40 — 23:13 Newark — Portland
UA3602 United Airlines
07:58 — 11:28
2h 30m flight time
Find flight
from$849
Chicago — Portland
AA4741 American Airlines
11:05 — 14:33
2h 28m flight time
Find flight
from$583
Chicago — Portland
UA763 United Airlines
11:13 — 23:04
10h 51m flight time
Find flight
from$301
11:13 — 14:08 Chicago — New York
NK493 Spirit Airlines
7h 22m stop
21:30 — 23:04 New York — Portland
B6308 JetBlue
11:13 — 00:05+1day
11h 52m flight time
Find flight
from$324
11:13 — 14:08 Chicago — New York
NK493 Spirit Airlines
8h 22m stop
22:30 — 00:05 New York — Portland
DL5411 Delta Air Lines Inc.
11:30 — 14:56
2h 26m flight time
Find flight
from$849
Chicago — Portland
AA4967 American Airlines
13:35 — 23:04
8h 29m flight time
Find flight
from$294
13:35 — 16:59 Chicago — New York
B6906 JetBlue
4h 31m stop
21:30 — 23:04 New York — Portland
B6308 JetBlue
13:40 — 16:50
2h 10m flight time
Find flight
from$705
Chicago — Portland
WN447 Southwest Airlines
18:10 — 21:44
2h 34m flight time
Find flight
from$583
Chicago — Portland
UA1974 United Airlines
19:10 — 22:45
2h 35m flight time
Find flight
from$675
Chicago — Portland
AA4403 American Airlines
Full flight schedule will help you in detecting at what time planes fly from Chicago to Portland. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 8, 2025.

Popular Airlines on the Route

The flight Chicago — Portland is served by 9 regular airlines and 6 low-cost airlines. Most of the flights on this route are operated by United Airlines - 165 departures per week at the price of from $ 374 . And the most expensive tickets are offered by American Airlines airline - from $ 2526.

Direct flights

There are 6 nonstop flights on the route. The fastest direct flight is WN447 by Southwest Airlines takes 2h 10m and the cheapest is F91044 by Frontier Airlines for $583.

  • AA - American Airlines
    from $675
    Find
  • WN - Southwest Airlines
    from $705
    Find
  • UA - United Airlines
    from $583
    Find
See more direct flights

Connecting Flights

There are 487 flights with layovers on the route. The fastest connecting flight is DL2039 by Delta Air Lines Inc. takes 3h 50m and the cheapest is F91044 by Frontier Airlines for $282.

  • UA - United Airlines
    from $374
    Find
  • AA - American Airlines
    from $365
    Find
  • F9 - Frontier Airlines
    from $282
    Find
  • B6 - JetBlue
    from $294
    Find
  • PD - Porter Airlines
    from $1272
    Find
  • SY - Sun Country Airlines
    from $761
    Find
  • WN - Southwest Airlines
    from $552
    Find
  • DL - Delta Air Lines Inc.
    from $353
    Find
  • NK - Spirit Airlines
    from $301
    Find
See more connecting flights

Airports

You can fly from Chicago to Portland from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).

Chicago airports

  • O'Hare International-ORD
    from $282
    Find
  • Midway-MDW
    from $552
    Find
  • Dupage County-DPA
    Find
  • Chicago FSS-CHI
    Find
  • Merrill C Meigs (closed)-CGX
    Find
  • Pal-Waukee-PWK
    Find
  • Chicago NAS-NOH
    Find

Portland airports

  • Portland Intl Jetport-PWM
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

Back