$115 Cheap Delta flights Buffalo (BUF) to Chicago (ORD)

View $115 flight on Tue, Jul 29, 2025Opens in a new window

$115 Cheap Delta flights Buffalo (BUF) to Chicago (ORD)

Prices were available within the past 7 days and start at $115 for one-way flights and $222 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jul 29 - Tue, Aug 5
BUF
Buffalo
ORD
Chicago
$222 Roundtrip, found 1 hour ago
$222
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Jul 29 from Buffalo to Chicago, returning Tue, Aug 5, priced at $222 found 1 hour ago
Delta
Wed, Aug 6 - Sat, Aug 9
BUF
Buffalo
ORD
Chicago
$226 Roundtrip, found 2 days ago
$226
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Aug 6 from Buffalo to Chicago, returning Sat, Aug 9, priced at $226 found 2 days ago
Delta
Sat, Jul 26 - Tue, Jul 29
BUF
Buffalo
ORD
Chicago
$227 Roundtrip, found 2 hours ago
$227
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Jul 26 from Buffalo to Chicago, returning Tue, Jul 29, priced at $227 found 2 hours ago
Delta
Tue, Jul 29 - Tue, Aug 5
BUF
Buffalo
ORD
Chicago
$229 Roundtrip, found 1 hour ago
$229
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Jul 29 from Buffalo to Chicago, returning Tue, Aug 5, priced at $229 found 1 hour ago
Delta
Wed, Aug 6 - Sun, Aug 10
BUF
Buffalo
ORD
Chicago
$234 Roundtrip, found 2 hours ago
$234
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Aug 6 from Buffalo to Chicago, returning Sun, Aug 10, priced at $234 found 2 hours ago
Delta
Tue, Jul 15 - Thu, Jul 17
BUF
Buffalo
ORD
Chicago
$244 Roundtrip, found 7 hours ago
$244
Roundtrip
found 7 hours ago
Select Delta flight, departing Tue, Jul 15 from Buffalo to Chicago, returning Thu, Jul 17, priced at $244 found 7 hours ago
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Flights from Buffalo (BUF) to Chicago (ORD)
Origin airport
Buffalo Niagara Intl.
Destination airport
O'Hare Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
JetBlue Airways
Distance
471 mi

Frequently asked questions

How much is a Delta Air Lines flight from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD)?
Make use of the "Price (lowest to highest)" filter on Expedia to search for cheap Delta Air Lines round-trip flights from $222 from BUF to ORD. Affordable one-way fares from $115 are available as well.**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 BUF to ORD with Delta Air Lines?
Delta Air Lines flights to Chicago are often cheaper in the quieter months of January and February. Whether you're in search of a one-way or round-trip ticket, you could find a better deal then.
What is the cheapest time to book flights from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD) with Delta Air Lines?
Search for affordable Delta Air Lines flights from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD) one to three months ahead of your departure day. 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. No matter the fare type and journey, the ideal day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book 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 Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD)?
To figure out if there's a direct trip from BUF to ORD with Delta Air Lines or other carriers, check the "Nonstop" box when searching for flights.
What is the earliest Delta Air Lines flight from BUF to ORD?
Sort your results by "Early Morning" and "Morning" to see the earliest flights from BUF to ORD. Taking off early means you're 20% less likely to experience cancellations.**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 Chicago?
Get on a Delta Air Lines flight from Buffalo Niagara Intl. Airport (BUF) to Chicago, and you'll likely land at O'Hare Intl. Airport (ORD). This is the airline's main hub in this destination.
Why fly with Delta Air Lines from BUF to ORD?
Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is the leading choice for many passengers flying from BUF to ORD. Also, if you're a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future travel.*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 Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD)?
Changes are often free within 24 hours of making your booking, but your airline may charge a fee after that time. For more information about modifying your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to adjust your plans without additional costs, tick the "No cancel fee" or "Changes included" filter when planning your trip.

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*Available to One Key members.