$127 Cheap Delta flights Chicago (ORD) to Buffalo (BUF)

View $127 flight on Mon, Dec 15, 2025Opens in a new window

$127 Cheap Delta flights Chicago (ORD) to Buffalo (BUF)

Prices were available within the past 7 days and start at $127 for one-way flights and $261 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Feb 7 - Wed, Feb 18
ORD
Chicago
BUF
Buffalo
$261 Roundtrip, found 14 hours ago
$261
Roundtrip
found 14 hours ago
Select Delta flight, departing Sat, Feb 7 from Chicago to Buffalo, returning Wed, Feb 18, priced at $261 found 14 hours ago
Flights from Chicago (ORD) to Buffalo (BUF)
Origin airport
O'Hare Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
JetBlue Airways
Distance
471 mi
Average flight time
2 hours 41 mins

Frequently asked questions

How much is a Delta Air Lines flight from O'Hare Intl. Airport (ORD) to Buffalo Niagara Intl. Airport (BUF)?
Grab affordable return Delta Air Lines flights from $261 from ORD to BUF by filtering your results from "Price (lowest to highest)" on Expedia. Or search for options from $127 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ORD to BUF with Delta Air Lines?
January is one of the most affordable months to fly to Buffalo with Delta Air Lines. You could also find great deals on one-way and return fares in February.
What is the cheapest time to book flights from O'Hare Intl. Airport (ORD) to Buffalo Niagara Intl. Airport (BUF) with Delta Air Lines?
Search for affordable Delta Air Lines flights from O'Hare Intl. Airport (ORD) to Buffalo Niagara Intl. Airport (BUF) one to three months before your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from O'Hare Intl. Airport (ORD) to Buffalo Niagara Intl. Airport (BUF)?
Use our "Nonstop" filter when searching for direct Delta Air Lines flights from ORD to BUF. You can also compare other airlines servicing the same direct route.
What is the earliest Delta Air Lines flight from ORD to BUF?
To find the earliest departure from ORD to BUF with Delta Air Lines, filter your search by "Morning" and "Early Morning." Booking an early flight generally means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Buffalo?
Delta Air Lines flights from O'Hare Intl. Airport (ORD) to Buffalo land at Buffalo Niagara Intl. Airport (BUF). This is the main entry point to this city.
Why fly with Delta Air Lines from ORD to BUF?
Offering a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a top choice for many travelers heading from ORD to BUF. Plus, if you're a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from O'Hare Intl. Airport (ORD) to Buffalo Niagara Intl. Airport (BUF)?
Changes are often free within 24 hours of making a booking, but your airline may charge a fee after that time. For further details about modifying your flights, head to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your itinerary without additional costs, apply the "No cancel fee" or "Changes included" filter when organizing your next break.

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*Available to One Key members.