
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 30% on select hotels after you book a flight*one key icon
$125 Cheap American Airlines flights Chicago (ORD) to Buffalo (BUF)
Prices were available within the past 7 days and start at $125 for one-way flights and $151 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 21 - Mon, Aug 4
ORD
Chicago
BUF
Buffalo
$151 Roundtrip, found 4 days ago
$151
Roundtrip
found 4 days ago
Frequently asked questions
Travel information
Travel information
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 |
Explore a world of travel with Expedia
Explore a world of travel with Expedia
Flights
- Spirit Airlines
- Alaska Airlines
- Air Canada
- Delta
- Emirates
- Aeromexico
- JetBlue Airways
- American Airlines
- Turkish Airlines
- Volaris
- Swiss International Air Lines
- Viva Aerobus
- British Airways
- United
- Frontier Airlines
- Lufthansa
- Flights from General Mitchell Intl.
- Flights from South Bend Intl.
- Flights from Greater Rockford
- Flights from Goshen Municipal
- Flights from Midway Intl.
- Flights from Waukesha County
- Flights from Dane County Regional
- Flights from Chicago Executive
- Flights from Kenosha Regional
- Flights from Dupage
- American Airlines Chicago (ORD) to Fort Lauderdale (FLL) flights
- American Airlines Chicago (ORD) to Newark Liberty Intl. Airport (EWR) flights
- American Airlines Buffalo (BUF) to Charlotte (CLT) flights
- American Airlines Buffalo (BUF) to Chicago (ORD) flights
- American Airlines Buffalo (BUF) to New York (JFK) flights
- American Airlines Buffalo (BUF) to Boston (BOS) flights
- American Airlines Chicago (ORD) to Punta Cana (PUJ) flights
- American Airlines Chicago (ORD) to Miami (MIA) flights
- American Airlines Buffalo (BUF) to Cancun (CUN) flights
- American Airlines Chicago (ORD) to San Juan (SJU) flights
- American Airlines Chicago (ORD) to Los Angeles (LAX) flights
- American Airlines Chicago (ORD) to Dallas (DFW) flights
- American Airlines Buffalo (BUF) to Las Vegas (LAS) flights
- American Airlines Chicago (ORD) to Tampa (TPA) flights
- American Airlines Buffalo (BUF) to Tampa (TPA) flights
- American Airlines Buffalo (BUF) to Phoenix (PHX) flights
- American Airlines Buffalo (BUF) to Houston (IAH) flights
- Flights from Chicago (ORD) to Denver (DEN)
- Flights from Los Angeles (LAX) to Honolulu (HNL)
- Flights from New York (JFK) to Honolulu (HNL)
- Flights from New York (JFK) to London (LHR)
- Flights from Chicago (ORD) to Atlanta (ATL)
- Flights from New York (JFK) to Rome (FCO)
- Flights from Los Angeles (LAX) to San José del Cabo (SJD)
- Flights from Dallas (DFW) to Chicago (ORD)
- Flights from Atlanta (ATL) to Chicago (ORD)
- Flights from Los Angeles (LAX) to Chicago (ORD)
- Flights from New York (LGA) to Chicago (ORD)
- Flights from New York (JFK) to Tokyo (NRT)
- Flights from Chicago (ORD) to Seattle (SEA)
- Flights from San Francisco (SFO) to New York (JFK)
- Flights from Los Angeles (LAX) to New York (JFK)
- Flights from Seattle (SEA) to New York (JFK)
- Flights from New York (JFK) to Punta Cana (PUJ)
- Flights from New York (JFK) to Paris (CDG)
- Flights from New York (JFK) to Santiago (STI)
- Flights from Newark Liberty Intl. Airport (EWR) to Santiago (STI)
- Flights from New York (JFK) to Miami (MIA)
- Flights from Newark Liberty Intl. Airport (EWR) to Miami (MIA)
- Flights from New York (LGA) to Miami (MIA)
- Flights from Chicago (ORD) to Miami (MIA)
- Flights from Newark Liberty Intl. Airport (EWR) to Cancun (CUN)
- Flights from Chicago (ORD) to Cancun (CUN)
- Flights from New York (JFK) to Cancun (CUN)
- Flights from New York (JFK) to San Juan (SJU)
- Flights from Newark Liberty Intl. Airport (EWR) to San Juan (SJU)
- Flights from Chicago (ORD) to San Francisco (SFO)
- Flights from New York (JFK) to San Francisco (SFO)
- Flights from Chicago (ORD) to Los Angeles (LAX)
- Flights from New York (JFK) to Los Angeles (LAX)
- Flights from Chicago (ORD) to New York (LGA)
- Flights from Chicago (ORD) to Dallas (DFW)
- Flights from Chicago (ORD) to Las Vegas (LAS)
- Flights from Los Angeles (LAX) to San Salvador (SAL)
- Flights from Chicago (ORD) to Tampa (TPA)
- Flights from Chicago (ORD) to Orlando (MCO)
- Flights from Newark Liberty Intl. Airport (EWR) to Orlando (MCO)
- Flights from New York (JFK) to Orlando (MCO)
- Flights from Chicago (ORD) to Phoenix (PHX)
- Flights from Joliet
- Flights from Gurnee
- Flights from Rosemont
- Flights from Chicago
- Flights from Elk Grove Village
- Flights from Willowbrook
- Flights from Evanston
- Flights from Lombard
- Flights from Naperville
- Flights from Oak Brook
- Flights from Skokie
- Flights from Schaumburg
*Available to One Key members.