Cheap flights from Chicago to Buffalo from $64
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Buffalo departing on 9/23. 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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How to get the cheapest flight ticket from Chicago to Buffalo
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 typical price of a round-trip flight between Chicago and Buffalo?
What is the cheapest month to fly to Buffalo?
If you aren’t able to travel during the month of August, then book flights to Buffalo from Chicago during April instead. Flights to Buffalo in April, while not as cheap as those in August, still average around $309.
What is the cheapest day to depart on your flight to Buffalo?
Our data shows that Wednesday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $329. Flights from Chicago to Buffalo on a Sunday will generally be more expensive and average around $369. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Buffalo?
In the afternoon is the cheapest time of day to fly from Chicago to Buffalo when you can find flight prices for as low as $333. Flying to Buffalo in the afternoon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Buffalo, so prices are often more expensive at around $356 per ticket.
What is the cheapest Chicago to Buffalo flight route?
Fly from Chicago Midway to Buffalo for the best Chicago - Buffalo flight prices
How far in advance should I book a flight to Buffalo?
You are more likely to see cheaper flights to Buffalo from Chicago when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $338 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from Chicago for as low as $229 on momondo.
What cabin class options are available on Chicago to Buffalo flights?
There are 4 cabin classes available to choose from on Chicago to Buffalo 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 Chicago to Buffalo flights?
No. A direct flight is the cheapest option for a flight between Chicago to Buffalo.
How have Chicago to Buffalo flight prices changed over time?
As of June 2025, prices for Chicago to Buffalo flights are approximately 27% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Chicago to Buffalo?
Southwest, American Airlines, and Frontier are the most popular carriers operating from Chicago to Buffalo
What airlines fly to Buffalo?
American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Buffalo from Chicago according to our data. American Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Buffalo. Keep in mind that there are 4 different airlines that fly to Buffalo on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago to Buffalo on average per day?
As of June 2025, there are 29 flights per day flying from Chicago to Buffalo. The most common time of day flights depart is 4:00PM, with 39% of flights taking off in the afternoon.
How many flights depart from Chicago to Buffalo on average per week?
The number of flights available between Chicago and Buffalo is 204 per week as of June 2025. The most frequent departure day is Wed, with 19% of weekly flights leaving on this day.
When to book flights from Chicago to Buffalo
Cheap Chicago to Buffalo (CHI to BUF) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Buffalo
How far is Chicago to Buffalo by plane?
A flight from Chicago to Buffalo will travel around 451.4 mi. In terms of flight time, this usually takes a little over 1h 25m.
When did momondo last update prices for flights from Chicago to Buffalo Airport?
Prices for flights from Chicago to Buffalo Airport are updated daily.
How many operators does momondo search for flights from Chicago to Buffalo Airport?
The number of operators available for flights from Chicago to Buffalo Airport is 4 as of June 2025.
How old do you have to be to fly from Chicago to Buffalo Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Buffalo Airport.
What documentation or ID do you need to fly to Buffalo Airport?
The travel and health documents you'll need for your trip to Buffalo Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buffalo Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago to Buffalo?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Buffalo is Canadair (Bombardier) Regional Jet CRJ-550, representing 13.86% of all bookings. The subsequent popular models are Boeing 737-700 at 11.65%, Embraer 175 at 11.52%, and Embraer 170 at 11.39%.
What is the most popular airline from Chicago to Buffalo?
momondo data reveals that the most frequently booked airline on the route from Chicago to Buffalo is American Airlines, representing 44% of all bookings. The subsequent popular airlines are United Airlines at 34%, Southwest at 19%, and Frontier at 3%.
Best airlines flying from Chicago to Buffalo
Compare and see reviews for airlines that fly from Chicago to Buffalo with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $101 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $164 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $199 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $260 | Free Cancellation | Rating 8.0 4,287 reviews |
Southwest Flights From Chicago to Buffalo
The lowest priced Southwest flight from Chicago to Buffalo from the last 72 hours was $260. Generally, Southwest has 18 flights on this route every week with an average price of $366. Southwest is rated 8.0/10 by our users.
United Airlines Flights From Chicago to Buffalo
United Airlines is also a popular choice for this route. United Airlines flight deals for Chicago to Buffalo start from as low as $199 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $383. United Airlines operates 19 flights to Buffalo from Chicago in an average week. Users have rated it 7.4/10 across 8,790 reviews.
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Chicago to Buffalo?
Finding the right flight to Buffalo from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buffalo quick and easy, saving you time and money.
Can I find flights from Chicago to Buffalo with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Buffalo from Chicago with this policy.
How can momondo help me find flights from Chicago to Buffalo?
momondo provides multiple filters to help you find the best flight to Buffalo from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Chicago to Buffalo right now. Can momondo alert me if prices change?
Price alerts on flights to Buffalo from Chicago 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.