$99 Cheap Delta flights from Chicago to Buffalo (ORD to BUF)

Find The Best Day To Fly from Chicago to Buffalo

Amazing Delta ORD to BUF Flight Deals

The cheapest flights to Buffalo Niagara Intl. found within the past 7 days were $197 round trip and $99 one way. Prices and availability subject to change. Additional terms may apply.

BUF From ORD Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Buffalo Airport Hotel
La Quinta Inn by Wyndham Buffalo Airport
Holiday Inn Express Grand Island - Niagara Falls by IHG
Don't see what you're looking for?
See all available trips from O'Hare Intl. to Buffalo Niagara Intl.
View all trips

Frequently asked questions

Can I catch a flight from O'Hare Intl. Airport (ORD) to Buffalo Niagara International Airport right now?
For information on any present Buffalo Niagara Intl. Airport (BUF) travel advice and quarantine requirements, visit our Covid-19 Travel Advisor. Look before you book your flight, so you don't get caught out.
What terminal is Delta Air Lines at O'Hare Intl. Airport (ORD)?
If you're flying with Delta Air Lines from O'Hare Airport to Buffalo Niagara Intl. Airport (BUF), you might be able to find out the terminal information when you receive your boarding pass. If not, contact your airline.
Are there Delta Air Lines non-stop flights from ORD to BUF?
If you're looking at flights with Delta Air Lines from ORD to Buffalo Niagara Intl. Airport (BUF), you'll have to make at least one stop. While waiting for your next flight, take the opportunity to grab a refreshment or go for a stroll.
How long is a Delta Air Lines flight from ORD to BUF?
Enjoy some in-flight shut-eye and begin your vacation feeling relaxed. You'll have enough time to do so when traveling with Delta Air Lines between ORD and BUF, with the flight taking roughly 4 hours.
How many direct and indirect flights does Delta Air Lines fly from ORD to BUF?
Delta Air Lines currently operates approximately 4 flights daily from ORD to BUF.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Buffalo Niagara International Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best Delta flight from Chicago ORD to Buffalo BUF 

To find the best deals on flights to Chicago from Buffalo with Delta, just enter your travel dates, filter by Delta, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Chicago ORD to Buffalo BUF with Delta 

If you’re planning a round trip, booking return flights with Delta is usually the most cost-effective option. With airfares ranging from $197 to $201, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Delta flights from Chicago ORD to Buffalo BUF 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Delta flight from Chicago to Buffalo costs from $99. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Buffalo BUF from  Chicago ORD with Delta 

To find a cheap Delta flight from Chicago ORD to Buffalo BUF, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Delta flights from Chicago ORD to Buffalo BUF 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as October, or if you book a flight with a stopover. 

 

Find nonstop flights from Chicago ORD to Buffalo BUF with Delta 

If you’re keen to be on Buffalo soil fast, don’t waste time with a stopover—filter your search results to show direct Delta flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Delta flights from Chicago ORD to Buffalo BUF 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Buffalo BUF from  Chicago ORD with Delta on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Delta Airports
Hop on a(n) Delta flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ATLUSAHartsfield-Jackson Atlanta Intl.252
DTWUSADetroit Metropolitan Wayne County156
MSPUSAMinneapolis - St. Paul Intl.131
SLCUSASalt Lake City Intl.116
SEAUSASeattle - Tacoma Intl.57
LAXUSALos Angeles Intl.41
AMSNLDSchiphol31
YYCCANCalgary Intl.26
YYZCANPearson Intl.24
JFKUSAJohn F. Kennedy Intl.23

Travelers ❤️ these 🏨 after their flight to Buffalo

Buffalo Airport Hotel

Buffalo Airport Hotel

3 out of 5
4600 Genesee St, Buffalo, NY
This hotel features a restaurant, a 24-hour gym, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
7.8/10 Good! (2,528 reviews)
"Great spot for an overnight stay and surprisingly quite close to airport. Really nice courtyard area"

Reviewed on Jul 16, 2025

Buffalo Airport Hotel
Extended Stay America Suites - Buffalo - Airport

Extended Stay America Suites - Buffalo - Airport

2.5 out of 5
901 Dick Rd, Buffalo, NY
This hotel features an indoor pool and a 24-hour gym. Business travelers can take advantage of the free WiFi in public areas. Guests will appreciate freebies ...
7.2/10 Good! (734 reviews)
"Super convenient to the airport - a quick 7 minutes! And a ton of EV chargers. Runway noise until 11pm and after 6am but that's expected. Large kitchen with appliances and pots/pans available"

Reviewed on Jul 16, 2025

Extended Stay America Suites - Buffalo - Airport
Fairfield Inn & Suites by Marriott Buffalo Airport

Fairfield Inn & Suites by Marriott Buffalo Airport

2.5 out of 5
4271 Genesee Street, Buffalo, NY
This hotel features an indoor pool and a 24-hour gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and free ...
8.6/10 Excellent! (1,012 reviews)
"Love it here!"

Reviewed on Jul 14, 2025

Fairfield Inn & Suites by Marriott Buffalo Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.