Cheap flights from Chicago, IL to Portland, ME

Flights starting at £83. Choose between United Airlines, Frontier Airlines, or Spirit Airlines to find the best price.

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Travelers usually depart from O Hare International, Chicago Midway International, or Chicago Rockford International when they travel from Chicago to Portland. The distance between Chicago and Portland is 1446 km. The most popular airlines for this route are United Airlines, Frontier Airlines, Spirit Airlines, BREEZE, and Allegiant Air. Chicago and Portland have 87 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from Chicago to Portland in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Mon 18.03 - Sun 24.03

AirlineMon 18.03Tue 19.03Wed 20.03Thu 21.03Fri 22.03Sat 23.03Sun 24.03
2112221

Weekly direct flights for Mon 25.03 - Sun 31.03

AirlineMon 25.03Tue 26.03Wed 27.03Thu 28.03Fri 29.03Sat 30.03Sun 31.03
2212222

Weekly direct flights for Mon 01.04 - Sun 07.04

AirlineMon 01.04Tue 02.04Wed 03.04Thu 04.04Fri 05.04Sat 06.04Sun 07.04
2222222

Weekly direct flights for Mon 08.04 - Sun 14.04

AirlineMon 08.04Tue 09.04Wed 10.04Thu 11.04Fri 12.04Sat 13.04Sun 14.04
2222222

Check-in for a flight from Chicago to Portland

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
BREEZE MXNoNo
Allegiant AirAAYG4NoOpens 24 days before flight
Closes 1 hours before flight

Weather in Portland

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January0°C-6°C
February0°C-6°C
March4°C-2°C
April10°C3°C
May15°C8°C
June20°C13°C
July24°C17°C
August24°C16°C
September20°C13°C
October14°C8°C
November8°C2°C
December3°C-2°C
Hottest Month
24°C
July
Coldest month
-6°C
January
Sunny days
257
days per year
Snow days
21
days per year

14 day forecast

Monday
18 Mar
8°C2°C
25 Mar
1°C-3°C
Tuesday
19 Mar
6°C1°C
26 Mar
5°C1°C
Wednesday
20 Mar
85%
7°C1°C
27 Mar
9°C2°C
Thursday
21 Mar
78%
3°C-4°C
28 Mar
84%
12°C6°C
Friday
22 Mar
3°C-6°C
29 Mar
67%
11°C4°C
Saturday
23 Mar
87%
9°C1°C
30 Mar
11°C5°C
Sunday
24 Mar
0°C-5°C
31 Mar
14°C7°C

Frequently asked questions

How long does it take to travel from Chicago to Portland?
What is the flight distance between Chicago and Portland?
What airlines offer nonstop (direct) flights between Chicago and Portland?
What are the most popular routes to and from Chicago?
What are the most popular routes to and from Portland?
Which airports are there in Chicago?
What airports are near Chicago?
What airports are near Portland?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Chicago and Portland?
What is Virtual Interlining and how do I use it?
Which airlines fly between Chicago and Portland?
When's the best time to travel between Chicago and Portland?
What flights operate between Chicago and Portland?
How many airports are there near Chicago?
How many airports are there near Portland?
What time do nonstop (direct) flights between Chicago and Portland depart?
What time do nonstop (direct) flights between Chicago and Portland arrive?
What time do flights between Chicago and Portland depart?
What time do flights between Chicago and Portland arrive?

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