Cheap flights from Belleville, IL to Portland, OR

Flights starting at $119. Choose between Allegiant Air, Alaska Airlines, or Spirit Airlines to find the best price.

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The most popular airlines for this route are Allegiant Air, Alaska Airlines, Spirit Airlines, Frontier Airlines, and Sun Country Airlines. Belleville and Portland have 75 direct flights per week.

Check-in for a flight from Belleville to Portland

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Allegiant AirAAYG4NoOpens 24 days before flight
Closes 1 hours before flight
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Sun Country AirlinesSCXSYYesNo

Weather in Portland

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January8°C2°C
February8°C2°C
March11°C3°C
April14°C5°C
May19°C8°C
June23°C10°C
July28°C13°C
August28°C14°C
September24°C12°C
October17°C8°C
November10°C4°C
December7°C2°C
Hottest Month
28°C
August
Coldest month
2°C
December
Sunny days
259
days per year
Snow days
5
days per year

14 day forecast

Monday
18 Mar
22°C9°C
25 Mar
14°C6°C
Tuesday
19 Mar
89%
21°C10°C
26 Mar
13°C5°C
Wednesday
20 Mar
87%
14°C8°C
27 Mar
89%
15°C7°C
Thursday
21 Mar
88%
15°C9°C
28 Mar
81%
12°C7°C
Friday
22 Mar
73%
15°C8°C
29 Mar
88%
9°C4°C
Saturday
23 Mar
89%
13°C8°C
30 Mar
89%
12°C4°C
Sunday
24 Mar
87%
14°C6°C
31 Mar
82%
8°C3°C

Frequently asked questions

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

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