Cheap flights from Buffalo to Chicago from C$ 63
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Chicago departing on 20/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Buffalo to Chicago
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Southwest flights from Buffalo to Chicago
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How to get the cheapest flight ticket from Buffalo to Chicago
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Chicago?
The month of September is another great option to travel to Chicago, with average flight prices from Buffalo averaging around C$ 395.
What is the cheapest day to depart on your flight to Chicago?
The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as C$ 591. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 751. These prices are subject to change though, so be sure to set up a Price Alert for flights to Chicago.
What is the cheapest time of day to depart on your flight to Chicago?
In the evening is the cheapest time of day to fly from Buffalo to Chicago when you can find flight prices for as low as C$ 577. Flying to Chicago in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Chicago, so prices are often more expensive at around C$ 786 per ticket.
What is the cheapest Buffalo to Chicago flight route?
Fly from Buffalo to Chicago O'Hare Intl for the best Buffalo - Chicago flight prices
How far in advance should I book a flight to Chicago?
You are more likely to see cheaper flights to Chicago from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around C$ 469 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Buffalo for as low as C$ 315 on momondo.
What cabin class options are available on Buffalo to Chicago flights?
There are 4 cabin classes available to choose from on Buffalo to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Buffalo to Chicago flights?
You could potentially save up to 63% on your flight if you consider stops on a Buffalo to Chicago flight.
How have Buffalo to Chicago flight prices changed over time?
As of July 2025, prices for Buffalo to Chicago flights are approximately 15% cheaper when compared to flights at the same time last year.
How many flights depart from Buffalo to Chicago on average per day?
As of July 2025, there are 24 flights per day flying from Buffalo to Chicago. The most common time of day flights depart is 5:00p.m., with 46% of flights taking off in the afternoon.
How many flights depart from Buffalo to Chicago on average per week?
As of July 2025, there are 173 flights per week flying from Buffalo to Chicago. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.
When to book flights from Buffalo to Chicago
Cheap Buffalo to Chicago (BUF to CHI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Buffalo to Chicago
How far is Buffalo to Chicago by plane?
Chicago is 726.5 km away from Buffalo. In terms of flight time, this usually takes a little over 1h 52m.
When did momondo last update prices for flights from Buffalo Airport to Chicago?
Prices for flights from Buffalo Airport to Chicago are updated daily.
How many operators does momondo search for flights from Buffalo Airport to Chicago?
As of July 2025, there are 2 operators available to choose from for flights from Buffalo Airport to Chicago.
How old do you have to be to fly from Buffalo Airport to Chicago?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Buffalo to Chicago?
Based on momondo bookings for flights between Buffalo and Chicago, the leading plane model is Boeing 737-800, making up 11.36% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 10.88%, Canadair (Bombardier) Regional Jet CRJ-550 with 10.40%, and Airbus A319 with 9.40%.
What is the most popular airline from Buffalo to Chicago?
momondo data reveals that the most frequently booked airline on the route from Buffalo to Chicago is Southwest, representing 41% of all bookings. The subsequent popular airlines are United Airlines at 24%, Frontier at 18%, and American Airlines at 16%.
Best airlines flying from Buffalo to Chicago
Compare and see reviews for airlines that fly from Buffalo to Chicago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 184 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 383 | Free Cancellation | Rating 7.4 8,844 reviews |
United Airlines Flights From Buffalo to Chicago
United Airlines flies from Buffalo to Chicago around 20 times per week, with 8,844 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Buffalo to Chicago in the last 72 hours was C$ 280 (round-trip), much lower than the average airfare cost of C$ 409 for United Airlines flights on this route.
American Airlines Flights From Buffalo to Chicago
Another popular option for Buffalo to Chicago flights is American Airlines (7.2/10, 10,000 ratings). American Airlines flies from Buffalo to Chicago around 22 times per week, with deals starting from C$ 135 round-trip and rising to an average price of around C$ 299.
Travelling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Buffalo to Chicago?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buffalo to Chicago. momondo saves you time and could save you money on your trip.
Can I find flights from Buffalo to Chicago with flexible booking policies on momondo?
Yes. All flights to Chicago from Buffalo on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Buffalo to Chicago?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Buffalo to Chicago.
I’m not ready to book a flight from Buffalo to Chicago right now. Can momondo alert me if prices change?
Price alerts on flights to Chicago from Buffalo are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.