Cheap flights from Buffalo to Chicago

One-way fares from $100 · BUF → CHI · prices found by travellers in the last 48 hours

Compare all dates Chicago → Buffalo
Cheapest fare
$100

American Airlines · Thu, Nov 12

Cheapest month
November

from $100

Direct flights
Yes

American Airlines and United Airlines

Flight time
2h 03m

730 km

Get a price alert

We'll email you when Buffalo → Chicago drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $100. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Buffalo to Chicago

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $100

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

American Airlines
Depart18:45 Thu, Nov 12BUF → ORD 2h 14m · Direct
$100one way, per person
View deal
American Airlines
Depart18:46 Fri, Nov 13BUF → ORD 2h 14m · Direct
$100one way, per person
View deal
American Airlines
Depart18:46 Sat, Nov 7BUF → ORD 2h 14m · Direct
$108one way, per person
View deal
American Airlines
Depart18:46 Mon, Nov 9BUF → ORD 2h 14m · Direct
$118one way, per person
View deal
American Airlines
Depart18:45 Sun, Nov 8BUF → ORD 2h 14m · Direct
$129one way, per person
View deal
American Airlines
Depart18:46 Sat, Nov 14BUF → ORD 2h 14m · Direct
$163one way, per person
View deal
United Airlines
Depart06:30 Tue, Nov 10BUF → ORD 2h 03m · Direct
$218one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Chicago

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in ChicagoCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in ChicagoTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in ChicagoPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in ChicagoCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Buffalo to Chicago

Buffalo (BUF) and Chicago (CHI) are about 730 km apart. Direct flights take around 2h 03m, and recent direct fares were with American Airlines and United Airlines. Over the next few months, one-way fares start from $100, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Buffalo to Chicago?

The cheapest one-way fare we've seen recently is $100 with American Airlines, departing Thursday, November 12, 2026.

What is the cheapest month to fly from Buffalo to Chicago?

November 2026 currently has the lowest fares, from $100 one way.

Are there direct flights from Buffalo to Chicago?

Yes. Recent direct fares were with American Airlines and United Airlines.

How long is the flight from Buffalo to Chicago?

A direct flight takes about 2h 03m. Buffalo and Chicago are around 730 km apart.

Which airlines fly from Buffalo to Chicago?

Recent fares on this route were with American Airlines and United Airlines.

More cheap flights from Buffalo

Compare flights to Chicago from other cities →