$89+ Cheap flights from Chicago (CHI) to Buffalo (BUF)
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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Chicago to Buffalo 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.Cheapflights Tip: The best prices from Chicago to Buffalo are usually found in August or April, booked 70 days in advance, depart on a Wednesday or Monday and return on a Friday
Cheap flight deals from Chicago to Buffalo
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Buffalo (BUF). 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 June 12, 2025.
Round-trip from | $198 (Delta) |
|---|---|
One-way from | $89 (Delta) |
Popular in | January |
Cheapest in | August |
Average price | $314 |
Good round-trip deal | $249 or less |
Good one-way deal | $80 or less |
Find flight deals from Chicago to Buffalo
Cheapest flights from Chicago to BuffaloExplore the most affordable flight options available from Chicago to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Chicago to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This American Airlines deal was found by Cheapflights users on 6/11. 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 6/11. 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 Delta deal was found by Cheapflights users on 6/11. 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 United Airlines deal was found by Cheapflights users on 6/11. 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 Southwest deal was found by Cheapflights users on 6/11. 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 JetBlue deal was found by Cheapflights users on 6/11. 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 6/10. 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 Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 6/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Buffalo 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Chicago to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoBuffalo
MDW - BUF
MDWBUF
Chicago Midway
Tue 8/26
10:11 am-4:05 pm
1 stop4h 54m
Buffalo
Sat 8/30
6:20 am-8:35 am
1 stop3h 15m
ChicagoBuffalo
ORD - BUF
ORDBUF
Chicago O'Hare Intl
Tue 8/26
6:00 am-1:39 pm
1 stop6h 39m
Buffalo
Sat 8/30
12:02 pm-7:19 pm
1 stop8h 17m
ChicagoBuffalo
ORD - BUF
ORDBUF
Chicago O'Hare Intl
Thu 9/4
7:10 am-9:53 am
Nonstop1h 43m
Buffalo
Mon 9/8
5:54 pm-6:50 pm
Nonstop1h 56m
ChicagoBuffalo
MDW - BUF
MDWBUF
Chicago Midway
Wed 8/6
9:55 am-12:30 pm
Nonstop1h 35m
Buffalo
Fri 8/8
12:35 pm-1:10 pm
Nonstop1h 35m
ChicagoBuffalo
ORD - BUF
ORDBUF
Chicago O'Hare Intl
Mon 7/28
6:25 pm-12:32 am
1 stop5h 07m
Buffalo
Tue 8/5
5:05 am-5:57 am
Nonstop1h 52m
ChicagoBuffalo
ORD - BUF
ORDBUF
Chicago O'Hare Intl
Fri 9/5
1:36 pm-7:20 pm
1 stop4h 44m
Buffalo
Sun 9/7
6:00 am-12:10 pm
1 stop7h 10m
ChicagoBuffalo
ORD - BUF
ORDBUF
Chicago O'Hare Intl
Thu 8/7
1:50 pm-7:35 pm
1 stop4h 45m
Buffalo
Mon 8/11
8:30 am-12:45 pm
1 stop5h 15m
ChicagoBuffalo
ORD - BUF
ORDBUF
Chicago O'Hare Intl
Wed 7/2
6:15 pm-10:20 am
1 stop15h 05m
Buffalo
Sun 7/6
11:41 am-12:39 pm
1 stop25h 58m
ChicagoBuffalo
MDW - BUF
MDWBUF
Chicago Midway
Thu 6/19
2:44 pm-1:15 pm
1 stop21h 31m
Buffalo
Sat 6/21
7:50 pm-10:32 pm
1 stop27h 42m
ChicagoBuffalo
ORD - BUF
ORDBUF
Chicago O'Hare Intl
Thu 6/19
5:01 am-12:12 pm
1 stop6h 11m
Buffalo
Fri 6/20
2:10 pm-11:59 pm
1 stop10h 49m
Best time to book a flight from Chicago to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from Chicago with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Buffalo
How far ahead should I book a flight from Chicago to Buffalo?
Use this chart to determine the optimal time to book a round-trip flight from Chicago to Buffalo. Price data was last updated on June 9, 2025.
The best time to book flights from Chicago to Buffalo is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Chicago to Buffalo?
Currently, January is the cheapest month in which you can book a flight from Chicago to Buffalo (average of $256). Flying from Chicago to Buffalo in December is currently the most expensive (average of $337). 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 CHI to BUF?
Find hourly flight availability from Chicago to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
Unlike in the evening, when flights are generally more expensive, you can save up to 7% on flights from Chicago to Buffalo by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Chicago to Buffalo?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Buffalo. Price data was last updated on June 8, 2025.
Travelers seeking maximum savings on their Chicago to Buffalo flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Chicago to Buffalo
Explore weekly flight availability from Chicago to Buffalo. 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 June 12, 2025.
The most flights from CHI to BUF are scheduled on a Wednesday (39 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (19 on average).
Rainfall in Buffalo by month
Plan your trip to Buffalo by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.
Temperature in Buffalo by month
Plan your trip to Buffalo by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Buffalo, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).
Reviews of airlines servicing Buffalo
Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated June 12, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from Chicago to Buffalo have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
John,May 2025
PVD - BNA
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
John,May 2025
PVD - BNA
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
John,May 2025
PVD - BNA
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
John,May 2025
PVD - BNA
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
John,May 2025
PVD - BNA
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
John,May 2025
PVD - BNA
Related info for your journey
Find useful and relevant information for your journey from Chicago to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Chicago to Buffalo
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Chicago to Buffalo
Discover the top 4 airlines that operate flights from Chicago to Buffalo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$101 | Average$190 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$164 | Average$325 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$383 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$366 | FlexibilityNo cancel fee | On-time63% |