Cheap flights from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Buffalo departing on 9/11. 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 Chicago O'Hare Intl Airport to Buffalo
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JetBlue flights from Chicago O'Hare Intl Airport to Buffalo
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 cheapest month to fly to Buffalo?
If you aren’t able to travel during the month of September, then book flights to Buffalo from Chicago O'Hare Intl Airport during May instead. Flights to Buffalo in May, while not as cheap as those in September, still average around $301.
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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl to Buffalo flight route?
Fly from Chicago O'Hare Intl to Buffalo for the best Chicago O'Hare Intl - 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 O'Hare Intl Airport 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 O'Hare Intl Airport for as low as $229 on momondo.
What cabin class options are available on Chicago O'Hare Intl to Buffalo flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Buffalo flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Chicago O'Hare Intl to Buffalo?
American Airlines, Southwest, and Frontier are the most popular carriers operating from Chicago O'Hare Intl 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 O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Buffalo. Keep in mind that there are 3 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 O'Hare Intl Airport to Buffalo on average per day?
26 flights are operational daily from Chicago O'Hare Intl Airport to Buffalo as of June 2025. The most popular departure time for this route is 1:00PM, with 40% of flights per day taking off in the afternoon.
How many flights depart from Chicago O'Hare Intl Airport to Buffalo on average per week?
As of June 2025, there are 186 flights per week flying from Chicago O'Hare Intl Airport to Buffalo. The most common day of the week flights depart is Wed, with 19% of flights taking off on this day.
When to book flights from Chicago O'Hare Intl Airport to Buffalo
Cheap Chicago O'Hare Intl Airport to Buffalo (ORD to BUF) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Buffalo
How far is Chicago O'Hare Intl to Buffalo by plane?
A flight from Chicago O'Hare Intl to Buffalo will travel around 464.0 mi. In terms of flight time, this usually takes a little over 1h 32m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Buffalo Airport?
Prices for flights from Chicago O'Hare Intl Airport to Buffalo Airport are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Buffalo Airport?
As of June 2025, there are 3 operators available to choose from for flights from Chicago O'Hare Intl Airport to Buffalo Airport.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Buffalo Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Buffalo Airport.
What documentation or ID do you need to fly to Buffalo Airport?
The required travel and health documents for your Buffalo Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buffalo Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Buffalo?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Buffalo is Canadair (Bombardier) Regional Jet CRJ-550 (14.72% of total bookings). The next most popular plane models are Boeing 737-700 (13.20%), Embraer 175 (12.04%), and Embraer 170 (11.69%).
What is the most popular airline from Chicago O'Hare Intl Airport to Buffalo?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Buffalo is American Airlines (63% of total bookings). The next most popular airlines are United Airlines (32%) and Frontier (5%).
Best airlines flying from Chicago O'Hare Intl Airport to Buffalo
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport 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 |
United Airlines Flights From Chicago O'Hare Intl Airport to Buffalo
United Airlines operates around 19 flights from Chicago O'Hare Intl Airport to Buffalo every week. The average price of these flights found in the last 72 hours has been $383, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Buffalo from as low as $199 round-trip. United Airlines has been scored 7.4/10 in 8,790 reviews.
American Airlines Flights From Chicago O'Hare Intl Airport to Buffalo
$164 is the best American Airlines flight deal from Chicago O'Hare Intl Airport to Buffalo found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to $325, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 10,000 user reviews) flies into Buffalo from Chicago O'Hare Intl Airport 23 times in an average week so prices can vary.
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?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Buffalo for you.
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?
Once you have performed a search for Chicago to Buffalo flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
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.