Flights to Belleville, IL, United States

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Cheap flights to Belleville

Weather in Belleville

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-3°C
February6°C-2°C
March13°C3°C
April18°C8°C
May23°C14°C
June29°C19°C
July30°C20°C
August29°C19°C
September26°C16°C
October19°C10°C
November12°C3°C
December7°C0°C
Hottest Month
30°C
July
Coldest month
-3°C
January
Sunny days
264
days per year
Snow days
9
days per year

14 day forecast

Saturday
5 Jul
36°C21°C
12 Jul
77%
29°C21°C
Sunday
6 Jul
83%
36°C23°C
13 Jul
29°C18°C
Monday
7 Jul
88%
29°C23°C
14 Jul
70%
30°C20°C
Tuesday
8 Jul
64%
35°C23°C
15 Jul
77%
28°C20°C
Wednesday
9 Jul
87%
33°C22°C
16 Jul
31°C21°C
Thursday
10 Jul
66%
32°C21°C
17 Jul
87%
33°C23°C
Friday
11 Jul
34°C23°C
18 Jul
65%
23°C17°C

Cheapest month to fly to Belleville

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Showing prices in GBP

Annual Avg. Price291 GBP
August 2025254 GBP
September 2025251 GBP
October 2025278 GBP
November 2025323 GBP
December 2025280 GBP
January 2026294 GBP
February 2026361 GBP

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Frequently asked questions

Main airports in Belleville, Illinois
The main airports serving Belleville, Illinois are Lambert-St. Louis International Airport (STL) located in St. Louis, Missouri and MidAmerica St. Louis Airport (BLV) located in Mascoutah, Illinois. Both airports offer convenient access to Belleville and the surrounding area.
Getting from the airport to Belleville, Illinois
To get from Lambert-St. Louis International Airport (STL) to Belleville, you can take a taxi or use ride-sharing services like Uber or Lyft. From MidAmerica St. Louis Airport (BLV), you can rent a car or take a taxi to reach Belleville.
Best time of the year to fly to Belleville, Illinois
The best time to fly to Belleville, Illinois is during the spring and fall seasons when the weather is mild and pleasant. Avoid peak summer months for lower flight prices and fewer crowds.
Things to do in Belleville, Illinois
In Belleville, you can explore attractions like the National Shrine of Our Lady of the Snows, Eckert's Country Store & Farms for apple picking, visit local wineries such as Hidden Lake Winery & Banquet Center, and enjoy outdoor activities at parks like Southwestern Illinois College Nature Preserve.
When to book your flight to Belleville, Illinois
It is recommended to book your flight to Belleville, Illinois at least 3-4 weeks in advance for better deals and availability. However, prices may vary depending on the season and demand.
Ideal duration for a stay in Belleville, Illinois
A stay of 2-3 days is ideal for exploring the attractions in Belleville, Illinois including its historical sites and natural beauty. This allows enough time to experience the city's charm without feeling rushed.
Top tourist attractions in Belleville, Illinois
Top tourist attractions in Belleville include the National Shrine of Our Lady of the Snows with its beautiful grounds and events throughout the year; Eckert's Country Store & Farms for apple picking; Hidden Lake Winery & Banquet Center offering wine tastings; and Southwestern Illinois College Nature Preserve for outdoor activities.
Safety walking at night in Belleville, Illinois
While walking at night in Belleville is generally safe, it is always advisable to exercise caution and be aware of your surroundings. Stick to well-lit areas and avoid isolated places.
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