$54+ Cheap flights from Buffalo (BUF) to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Buffalo to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Buffalo to Illinois
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 10, 2024.
Round-trip from | $109 (Frontier) |
|---|---|
One-way from | $54 (Frontier) |
Find flight deals from Buffalo to Illinois
Cheapest flights from Buffalo to IllinoisExplore the most affordable flight options available from Buffalo to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2024.
Explore the most affordable flight options available from Buffalo to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2024.
This CheapOair deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This JetBlue deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Buffalo to Illinois within your budget
Customize your flight search to find flights from Buffalo to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,857,848 searches. Data last updated December 10, 2024.
Fly from
Fly to
Route
Depart
Return
Price
BuffaloSt. Louis
BUF - STL
BUFSTL
Buffalo
Sat 1/11
10:59 am-11:27 pm
1 stop13h 28m
Lambert-St Louis
Sat 1/18
5:05 pm-8:48 am
1 stop14h 43m
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Fri 1/24
9:06 am-8:57 pm
1 stop12h 51m
Chicago O'Hare Intl
Sun 1/26
4:18 pm-9:41 am
1 stop16h 23m
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Wed 1/8
3:05 pm-4:05 pm
Nonstop2h 00m
Chicago O'Hare Intl
Sat 1/11
5:45 pm-8:24 pm
Nonstop1h 39m
BuffaloChicago
BUF - MDW
BUFMDW
Buffalo
Sat 12/21
8:47 pm-7:42 pm
1 stop23h 55m
Chicago Midway
Tue 12/24
4:08 pm-4:40 pm
1 stop23h 32m
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Tue 3/4
11:29 am-3:40 pm
1 stop5h 11m
Chicago O'Hare Intl
Fri 3/7
11:44 am-6:02 pm
1 stop5h 18m
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Wed 1/8
1:35 pm-10:20 pm
1 stop9h 45m
Chicago O'Hare Intl
Sat 1/11
1:30 pm-9:50 pm
2 stops7h 20m
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Sat 1/18
7:00 am-8:03 am
Nonstop2h 03m
Chicago O'Hare Intl
Sun 1/19
2:10 pm-4:53 pm
Nonstop1h 43m
BuffaloChicago
BUF - MDW
BUFMDW
Buffalo
Tue 12/24
6:50 pm-7:35 pm
Nonstop1h 45m
Chicago Midway
Tue 12/31
6:30 pm-8:55 pm
Nonstop1h 25m
BuffaloChicago
BUF - MDW
BUFMDW
Buffalo
Sat 1/18
12:08 pm-4:12 pm
1 stop5h 04m
Chicago Midway
Sun 1/19
5:05 pm-11:01 pm
1 stop4h 56m
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Tue 12/24
11:55 am-4:40 pm
1 stop5h 45m
Chicago O'Hare Intl
Tue 12/31
5:30 pm-11:03 pm
1 stop4h 33m
Best time to book a flight from Buffalo to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Buffalo with our price prediction graph.
Travel insights for flights from Buffalo to Illinois
Get recent, data-driven insights about flights from Buffalo to Illinois including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Buffalo to Illinois?
Currently, September is the cheapest month in which you can book a flight from Buffalo to Illinois (average of $232). Flying from Buffalo to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BUF to IL?
Find hourly flight availability from Buffalo to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 10, 2024.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to Illinois as you normally would.
Weekly flight availability from Buffalo to Illinois
Explore weekly flight availability from Buffalo to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 10, 2024.
The most flights from BUF to USIL are scheduled on a Monday (25 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated December 10, 2024.
Get a feel of what it's like to fly with American Airlines, JetBlue and United Airlines from Buffalo to Illinois by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Comfort
Boarding
Overall
Entertainment
Crew
Reviews
We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.