Direct flights from Chicago to Buffalo

Did you mean Flights from Buffalo to Chicago?

Chicago

United States

ORD

Chicago O'Hare International Airport

Buffalo

United States

BUF

Buffalo Niagara International Airport

Route: Nonstop service available
Distance: 472 miles
Marketing airlines: 16 airlines
Aircraft: 13 aircraft types
Dates: Nov 2, 2026 – Oct 31, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Lowest price in this limited sample: 4,500 points + $25.00 for ORD → BUF, Economy, on 2026-11-18, booked with Alaska Atmos Rewards. This is an observed fare, not a guaranteed price or the lowest price across all dates and programs.

Departure window: 2026-11-12 – 2026-12-11.

ORD → BUFEconomy
AA4780
4,500 points+ $25.00
Departure
2026-11-18
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-11-11 21:21
ORD → BUFEconomy
AA1073
4,500 points+ $25.00
Departure
2026-11-18
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-11-11 21:21
ORD → BUFEconomy
AA1073
4,500 points+ $25.00
Departure
2026-11-27
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-11-12 10:44
ORD → BUFEconomy
AA2378
4,500 points+ $25.00
Departure
2026-11-29
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-11-11 15:11
ORD → BUFEconomy
AA1073
4,500 points+ $25.00
Departure
2026-11-29
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-11-11 15:11
ORD → BUFEconomy
AA2378
4,500 points+ $25.00
Departure
2026-11-30
Seats seen
8
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-11-10 19:53
ORD → BUFEconomy
AA1073
4,500 points+ $25.00
Departure
2026-12-05
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-11-11 23:56
ORD → BUFEconomy
AA4780
4,500 points+ $25.00
Departure
2026-12-05
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-11-11 23:56
ORD → BUFEconomy
AA2306
4,500 points+ $25.00
Departure
2026-12-07
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-11-11 05:31
ORD → BUFEconomy
AA4780
4,500 points+ $25.00
Departure
2026-12-07
Seats seen
1
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-11-11 05:31
ORD → BUFEconomy
AA1073
4,500 points+ $25.00
Departure
2026-12-07
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-11-11 05:31
ORD → BUFEconomy
AA4780
4,500 points+ $25.00
Departure
2026-12-09
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-11-12 01:19

Chicago to Buffalo route overview

Chicago O'Hare International Airport (ORD) serves Chicago; Buffalo Niagara International Airport (BUF) serves Buffalo.

The airports are 472 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from ORD to BUF.

Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), Air Canada (AC), Alaska Airlines (AS), Avianca (AV), British Airways (BA), Copa Airlines (CM), Emirates (EK), Gulf Air (GF), Iberia (IB), Japan Airlines (JL), Swiss International Air Lines (LX), All Nippon Airways (NH), Air New Zealand (NZ), Qatar Airways (QR), Royal Jordanian (RJ) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Nov 2, 2026 – Oct 31, 2027.

Marketing airlines on the Chicago to Buffalo route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Air Canada (AC)Codeshare only
Avianca (AV)Codeshare only
British Airways (BA)Codeshare only
Copa Airlines (CM)Codeshare only
Emirates (EK)Codeshare only
Gulf Air (GF)Codeshare only
Iberia (IB)Codeshare only
Japan Airlines (JL)Codeshare only
Swiss International Air Lines (LX)Codeshare only
All Nippon Airways (NH)Codeshare only
Air New Zealand (NZ)Codeshare only
Qatar Airways (QR)Codeshare only

Airline alliance affiliations represented: Oneworld, Star Alliance

Aircraft flying from ORD to BUF

Frequently asked questions

Which airports serve the Chicago to Buffalo route?

Chicago O'Hare International Airport (ORD) is the origin airport and Buffalo Niagara International Airport (BUF) is the destination airport.

How far is Buffalo from Chicago?

ORD and BUF are approximately 472 miles apart by great-circle distance.

Are there direct flights from ORD to BUF?

Yes. Roame's current schedule feed shows nonstop service from ORD to BUF.

Which airlines market flights from ORD to BUF?

Which aircraft fly from ORD to BUF?

Aircraft listed in the current schedule include Airbus A319 (319), Airbus A320 (320), Airbus A321neo (32Q), Boeing 737-800 (738), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-700 / Boeing 737-700ER (73G), Boeing 737 MAX 8 (7M8), CR5, Canadair Regional Jet 700 | Regional Jet 550 (CR7), Embraer 170 (E70), Embraer 175 (short wing) (E75), Embraer 175 (long wing) (E7W) and JET.