Cheap flights from Buffalo to Chicago from C$ 88
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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Delta flights from Buffalo to Chicago O'Hare Intl Airport
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Southwest flights from Buffalo to Chicago O'Hare Intl Airport
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How to get the cheapest flight ticket from Buffalo to Chicago O'Hare Intl Airport
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 O'Hare Intl Airport?
In general, September is the cheapest month to fly from Buffalo to Chicago O'Hare Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 381. The month of August is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Buffalo averaging around C$ 396.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as C$ 615. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Buffalo to Chicago O'Hare Intl Airport for around C$ 868.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
In the morning is the cheapest time of day to fly from Buffalo to Chicago O'Hare Intl Airport when you can find flight prices for as low as C$ 671. Flying to Chicago O'Hare Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 916 on average. Flights to Chicago O'Hare Intl Airport from Buffalo at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Buffalo to Chicago O'Hare Intl flight route?
Fly from Buffalo to Chicago O'Hare Intl for the best Buffalo - Chicago O'Hare Intl flight prices
How far in advance should I book a flight to Chicago O'Hare Intl Airport?
You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Buffalo when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around C$ 471 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Buffalo for as low as C$ 316 on momondo.
What cabin class options are available on Buffalo to Chicago O'Hare Intl flights?
There are 4 cabin classes available to choose from on Buffalo to Chicago O'Hare Intl 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 O'Hare Intl Airport flights?
You could potentially save up to 42% on your flight if you consider stops on a Buffalo to Chicago O'Hare Intl Airport flight.
How have Buffalo to Chicago O'Hare Intl Airport flight prices changed over time?
As of June 2025, prices for Buffalo to Chicago O'Hare Intl Airport flights are approximately 2% cheaper when compared to flights at the same time last year.
How many flights depart from Buffalo to Chicago O'Hare Intl Airport on average per day?
The number of flights available between Buffalo and Chicago O'Hare Intl Airport is 26 per day as of June 2025. The most frequent departure time is 1:00p.m., with 52% of daily flights leaving in the afternoon.
How many flights depart from Buffalo to Chicago O'Hare Intl Airport on average per week?
As of June 2025, 186 flights take off from Buffalo and land in Chicago O'Hare Intl Airport each week. The most common flight departure day for this route is Wed, with 17% of weekly flights taking off on this day.
When to book flights from Buffalo to Chicago O'Hare Intl Airport
Cheap Buffalo to Chicago O'Hare Intl Airport (BUF to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Buffalo to Chicago O'Hare Intl Airport
How far is Buffalo to Chicago O'Hare Intl by plane?
There are 746.7 km between Buffalo and Chicago O'Hare Intl. In terms of flight time, this usually takes a little over 1h 49m.
When did momondo last update prices for flights from Buffalo Airport to Chicago O'Hare Intl Airport?
Prices for flights from Buffalo Airport to Chicago O'Hare Intl Airport refresh daily.
How many operators does momondo search for flights from Buffalo Airport to Chicago O'Hare Intl Airport?
The number of operators available for flights from Buffalo Airport to Chicago O'Hare Intl Airport is 2 as of June 2025.
How old do you have to be to fly from Buffalo Airport to Chicago O'Hare Intl 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 Buffalo Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Buffalo to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Buffalo to Chicago O'Hare Intl Airport is Canadair (Bombardier) Regional Jet CRJ-550, representing 11.62% of all bookings. The subsequent popular models are Boeing 737-700 at 10.62%, Boeing 737-800 Passenger/BBJ2 (winglets) at 10.12%, and Embraer 175 at 10.01%.
What is the most popular airline from Buffalo to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Buffalo to Chicago O'Hare Intl Airport is United Airlines (54% of total bookings). The next most popular airline is American Airlines (46%).
Best airlines flying from Buffalo to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from Buffalo to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 184 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 354 | Free Cancellation | Rating 7.4 8,790 reviews |
United Airlines Flights From Buffalo to Chicago O'Hare Intl Airport
United Airlines operates around 25 flights from Buffalo to Chicago O'Hare Intl Airport every week. The average price of these flights found in the last 72 hours has been C$ 401, but momondo users have found United Airlines deals from Buffalo to Chicago O'Hare Intl Airport from as low as C$ 259 round-trip. United Airlines has been scored 7.4/10 in 8,790 reviews.
American Airlines Flights From Buffalo to Chicago O'Hare Intl Airport
American Airlines (7.2/10 from 10,000 reviews) operates around 22 flights from Buffalo to Chicago O'Hare Intl Airport in any given week. The average American Airlines airfare for this route is around C$ 299, with deals from around C$ 135 rare but found on momondo. Referenced prices are for round-trip Buffalo to Chicago O'Hare Intl Airport flight searches in the last 72 hours.
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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. momondo enables you to select and highlight flights to Chicago from Buffalo with this policy.
How can momondo help me find flights from Buffalo to Chicago?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Buffalo.
I’m not ready to book a flight from Buffalo to Chicago right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Chicago from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.