Cheap Flights from Chicago, IL to Portland, ME from $81

Return flight: Portland – Chicago

On Cheapflightsplus.com you will find 6 direct and 408 connecting flights from Chicago to Portland. You can compare airfare deals from 6 airlines and multiple travel sites from $81, 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.

Find One-Way and Round-Trip Chicago to Portland Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $81 (one-way), $139 (round-trip).
Direct flights
  • Check to choose departure date Check to choose departure date
Check prices for return flight
Find flights
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 Arrival Flight Details Flight Duration Price
07:10 — 10:49
07:10 — 10:49 UA5623 United Airlines
Chicago — Portland
2h 39m
Find flight
from$97
10:58 — 14:24
10:58 — 14:24 UA763 United Airlines
Chicago — Portland
2h 26m
Find flight
from$111
13:55 — 17:37
13:55 — 17:37 UA5849 United Airlines
Chicago — Portland
2h 42m
Find flight
from$142
13:55 — 17:37
13:55 — 17:37 UA3644 United Airlines
Chicago — Portland
2h 42m
Find flight
from$143
13:55 — 17:37
13:55 — 17:37 UA3451 United Airlines
Chicago — Portland
2h 42m
Find flight
from$167
18:30 — 22:01
18:30 — 22:01 UA1974 United Airlines
Chicago — Portland
2h 31m
Find flight
from$97
06:00 — 13:18
06:00 — 09:13 UA1658 United Airlines
Chicago — Newark
2h 45m stop
12:13 — 13:33 UA3512 United Airlines
Newark — Portland
6h 18m
including layover
Find flight
from$114
06:45 — 11:11
+1 day
06:45 — 08:25 SY1630 Sun Country Airlines
Chicago — Minneapolis
23h 5m stop
07:30 — 11:11 SY1821 Sun Country Airlines
Minneapolis — Portland
27h 26m
including layover
Find flight
from$111
07:15 — 13:22
07:15 — 10:33 UA563 United Airlines
Chicago — Newark
1h 25m stop
11:58 — 13:22 UA3685 United Airlines
Newark — Portland
5h 7m
including layover
Find flight
from$114
08:50 — 14:25
08:52 — 11:55 UA2029 United Airlines
Chicago — Washington D.C.
40m stop
13:05 — 14:53 UA3529 United Airlines
Washington D.C. — Portland
4h 35m
including layover
Find flight
from$116
08:52 — 14:23
08:52 — 11:55 UA1068 United Airlines
Chicago — Washington D.C.
40m stop
12:35 — 14:23 UA3529 United Airlines
Washington D.C. — Portland
4h 31m
including layover
Find flight
from$164
09:08 — 18:13
09:08 — 12:52 F92792 Frontier Airlines
Chicago — Orlando
1h 54m stop
15:15 — 18:30 F92622 Frontier Airlines
Orlando — Portland
8h 5m
including layover
Find flight
from$84
10:50 — 19:27
10:50 — 13:49 UA758 United Airlines
Chicago — Washington D.C.
3h 41m stop
17:30 — 19:27 UA3517 United Airlines
Washington D.C. — Portland
7h 37m
including layover
Find flight
from$113
11:23 — 17:43
11:23 — 14:28 UA1190 United Airlines
Chicago — Washington D.C.
1h 27m stop
15:55 — 17:43 UA3715 United Airlines
Washington D.C. — Portland
5h 20m
including layover
Find flight
from$158
11:46 — 18:26
11:46 — 15:12 UA1205 United Airlines
Chicago — Newark
1h 47m stop
16:59 — 18:26 UA3599 United Airlines
Newark — Portland
5h 40m
including layover
Find flight
from$148
12:22 — 18:13
12:22 — 15:48 UA1205 United Airlines
Chicago — Newark
1h 1m stop
16:49 — 18:13 UA334 United Airlines
Newark — Portland
4h 51m
including layover
Find flight
from$151
12:50 — 19:29
12:50 — 15:52 UA1377 United Airlines
Chicago — Washington D.C.
1h 42m stop
17:34 — 19:29 UA3517 United Airlines
Washington D.C. — Portland
5h 39m
including layover
Find flight
from$148
13:05 — 19:27
13:05 — 16:10 UA2337 United Airlines
Chicago — Washington D.C.
1h 20m stop
17:30 — 19:27 UA3517 United Airlines
Washington D.C. — Portland
5h 22m
including layover
Find flight
from$119
14:20 — 23:14
14:26 — 18:00 UA2649 United Airlines
Chicago — Newark
3h 51m stop
21:59 — 23:27 UA1232 United Airlines
Newark — Portland
7h 54m
including layover
Find flight
from$119
14:20 — 23:14
14:20 — 17:54 UA2649 United Airlines
Chicago — Newark
3h 51m stop
21:45 — 23:14 UA2127 United Airlines
Newark — Portland
7h 54m
including layover
Find flight
from$120
15:40 — 23:14
15:40 — 19:14 UA2133 United Airlines
Chicago — Newark
2h 31m stop
21:45 — 23:14 UA2127 United Airlines
Newark — Portland
6h 34m
including layover
Find flight
from$114
16:50 — 23:14
16:50 — 20:24 UA1785 United Airlines
Chicago — Newark
1h 21m stop
21:45 — 23:14 UA1232 United Airlines
Newark — Portland
5h 24m
including layover
Find flight
from$119
16:50 — 23:14
16:50 — 20:24 UA1785 United Airlines
Chicago — Newark
1h 21m stop
21:45 — 23:14 UA2127 United Airlines
Newark — Portland
5h 24m
including layover
Find flight
from$120
17:14 — 16:02
+1 day
17:14 — 21:11 F93044 Frontier Airlines
Chicago — Orlando
15h 33m stop
12:44 — 16:02 F92622 Frontier Airlines
Orlando — Portland
21h 48m
including layover
Find flight
from$83
17:56 — 23:59
17:53 — 20:52 UA2677 United Airlines
Chicago — Washington D.C.
1h 19m stop
22:12 — 23:57 UA3674 United Airlines
Washington D.C. — Portland
5h 3m
including layover
Find flight
from$101
20:17 — 11:23
+1 day
20:17 — 21:57 SY262 Sun Country Airlines
Chicago — Minneapolis
9h 45m stop
07:42 — 11:23 SY1821 Sun Country Airlines
Minneapolis — Portland
14h 6m
including layover
Find flight
from$139
20:30 — 23:59
+1 day
20:30 — 23:54 UA1311 United Airlines
Chicago — Newark
22h 36m stop
22:30 — 23:59 UA3525 United Airlines
Newark — Portland
26h 29m
including layover
Find flight
from$181
21:12 — 16:02
+1 day
21:12 — 00:57 F93854 Frontier Airlines
Chicago — Orlando
11h 47m stop
12:44 — 16:02 F92622 Frontier Airlines
Orlando — Portland
17h 50m
including layover
Find flight
from$81
21:25 — 09:24
+1 day
21:24 — 00:45 UA396 United Airlines
Chicago — Newark
7h 19m stop
08:05 — 09:24 UA3514 United Airlines
Newark — Portland
10h 59m
including layover
Find flight
from$174
22:15 — 11:11
+2 days
22:15 — 00:19 NK2179 Spirit Airlines
Chicago — Las Vegas
23h 40m stop
23:59 — 05:06 SY778 Sun Country Airlines
Las Vegas — Minneapolis
2h 24m stop
07:30 — 11:11 SY1821 Sun Country Airlines
Minneapolis — Portland
35h 56m
including layover
Find flight
from$180
*Departure and arrival times - local. Updated on May 22, 2025

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 05:02 to 22:15 from 7 Chicago airports and arrive 05:02 to 22:15 to 1 Portland airport. Average flight time is 2h 41m.

  • The fastest flight 2h 26m
  • Average flight time 2h 41m
  • The earliest flight 05:02
  • The latest flight 22:15
  • Distance 886 ml

The cheapest months to travel to Portland are may (from 109 $), july (from 113 $), june (from 118 $).

The most expensive months are august (from 127 $), june (from 118 $), july (from 113 $).

What is the lowest airfare Chicago to Portland?

The cheapest plane ticket found by our users is $81. This airfare is for economy class on one-way F93854 flight by Frontier Airlines for May 30, 2025 which leaves Midway in Chicago at 21:12 am and arrives at Portland Portland Intl Jetport at 16:02.

Economy class
$81
Find
Business class
?
Find
First class
?
Find

Popular Airlines on the Route

The flight Chicago — Portland is served by 6 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by United Airlines - 270 departures per week at the price of from $ 97 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 961.

Direct flights

There are 6 nonstop flights on the route. The fastest direct flight is UA763 by United Airlines takes 2h 26m and the cheapest is F93854 by Frontier Airlines for $97.

See more direct flights

Connecting Flights

There are 408 flights with layovers on the route. The fastest connecting flight is UA1068 by United Airlines takes 4h 31m and the cheapest is F93854 by Frontier Airlines for $81.

  • from $101
    Find
  • AS - Alaska Airlines
    from $961
    Find
  • F9 - Frontier Airlines
    from $81
    Find
  • SY - Sun Country Airlines
    from $111
    Find
  • NK - Spirit Airlines
    from $180
    Find
  • G4 - Allegiant Air
    from $201
    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 $83
    Find
  • Midway-MDW
    from $81
    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