Cheap flights from Buffalo to Chicago

Buffalo Niagara
BUF
Chicago FSS
CHI

Flight deals from Buffalo to Chicago

Below you can see the best deals on flights Buffalo — Chicago for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 4 September, from $92.

Top 10 cheap flights from Buffalo to Chicago

F9
F9
$ 92

Buffalo — Chicago

13:40—11:51
11 Sep 2026
23 h 11 m
1 stop
F9
F9
$ 92

Buffalo — Chicago

13:40—18:23
11 Sep 2026
29 h 43 m
1 stop
F9
F9
$ 92

Buffalo — Chicago

11:36—20:08
4 Sep 2026
33 h 32 m
1 stop
F9
F9
$ 92

Buffalo — Chicago

11:36—20:08
5 Sep 2026
9 h 32 m
1 stop
F9
F9
$ 98

Buffalo — Chicago

13:40—17:51
9 Sep 2026
5 h 11 m
1 stop
F9
F9
$ 99

Buffalo — Chicago

13:40—17:51
11 Sep 2026
5 h 11 m
1 stop
F9
F9
$ 102

Buffalo — Chicago

11:36—22:47
5 Sep 2026
12 h 11 m
1 stop
F9
F9
$ 103

Buffalo — Chicago

11:36—11:51
8 Sep 2026
25 h 15 m
1 stop
F9
F9
$ 103

Buffalo — Chicago

13:40—09:20
9 Sep 2026
20 h 40 m
1 stop
F9
F9
$ 104

Buffalo — Chicago

13:40—11:51
14 Sep 2026
23 h 11 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Buffalo — Chicago flight

Looking for cheap flights from Buffalo to Chicago? Compare fares from different airlines, check the flight schedule and travel time — and book your Buffalo — Chicago ticket online at the best price.

The route has direct flights — around 88 flights per week, flights are operated by United Airlines, American Airlines, Alaska Airlines, a nonstop flight takes about 1 h 59 min, the distance between the cities is around 729 km.

Planning your trip? You may find our Chicago travel guide, how to get from the airport into town and Chicago weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $74Min. price
FebruaryCheapest
JanuaryPeak season
YesDirect flights
729 kmDistance
1 h 59 minTravel time
3Airlines
88 / wkFlights

Flight schedule from Buffalo to Chicago

The table shows direct flights from Buffalo to Chicago on the selected date. The flight takes approximately 1 h 59 min. Regular flights are operated by United Airlines, American Airlines and Alaska Airlines. Departures from Buffalo Niagara International Airport airports, arrivals at O'Hare International Airport, Chicago Midway International Airport and Midway International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 15 Aug 2026

Flight ticket prices by day: Buffalo — Chicago

Below is a calendar of the lowest flight ticket prices for Buffalo — Chicago by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $74 in February, and the most expensive are around $173 in January. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Buffalo to Chicago by month. Tickets are usually cheapest in January (around $151) and priciest in July (about $216) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$151lowMay$194highSep$184medium
Feb$151lowJun$205highOct$173medium
Mar$173mediumJul$216highNov$184medium
Apr$184mediumAug$205highDec$205high

Some values are estimated based on seasonality.

When to fly

Weather in Chicago: it is warmest in July (up to 27 °C on average) and coolest in January (around 0 °C). The driest month is November.

Tickets are usually cheapest in February and most expensive in January. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Chicago

Dry and wet days · Chicago

Wind speed and direction · Chicago

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How to get the best deal on a Buffalo — Chicago ticket

  • Book ahead: fares for Buffalo — Chicago are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Chicago is usually February — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Buffalo — Chicago route are operated by 3 airlines; United Airlines runs the most flights (around 52% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    15x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight BUF → ORD15x/week
      Duration
      2h 1m
      Days
      MTWTFSS
    52.3%Open →
  • American AirlinesAA
    13x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight BUF → ORD13x/week
      Duration
      2h 4m
      Days
      MTWTFSS
    44.3%Open →
  • Alaska AirlinesAS
    1x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight BUF → ORD1x/week
      Duration
      2h
      Days
      MTWTFSS
    3.4%Open →

Cities and airports on the Buffalo — Chicago route

Flights Buffalo — Chicago depart from Buffalo Niagara International Airport and arrive at O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Buffalo

BUF
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Chicago

CHI
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Buffalo — Chicago flight

How long is the flight from Buffalo to Chicago?

A nonstop Buffalo — Chicago flight takes about 1 h 59 min — the distance between the cities is around 729 km.

How far is it from Buffalo to Chicago?

The distance from Buffalo to Chicago is about 729 km, which a nonstop flight covers in around 1 h 59 min.

Are there direct flights from Buffalo to Chicago?

Yes, there are nonstop flights Buffalo — Chicago — around 88 flights per week.

Which airlines fly from Buffalo to Chicago?

Airlines operating Buffalo — Chicago include United Airlines, American Airlines, Alaska Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Buffalo — Chicago flights use?

Flights from Buffalo depart from Buffalo Niagara International Airport, and arrive at O'Hare International Airport, Chicago Midway International Airport, Midway International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Buffalo to Chicago?

The price of a Buffalo — Chicago ticket depends on your travel date, season and demand: it is usually cheapest to fly in February, and most expensive in January. Tickets typically cost between $74 and $173. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Buffalo — Chicago?

Flights Buffalo — Chicago are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is February. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Buffalo to Chicago?

To catch a low fare Buffalo — Chicago, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually February.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Buffalo

See all
New York CityWashington, D.C.BostonDetroitAtlantaPhiladelphiaOrlandoCharlotteDallasMinneapolisDenverLos AngelesFort LauderdaleRaleighTampaFort Myers

Where else you can fly from Chicago

See all
New York CityTorontoDetroitWashington, D.C.AtlantaMinneapolisLos AngelesSeattleBostonDallasHoustonOrlandoDenverNashvilleLondonIndianapolisSan DiegoMontrealMilwaukeeSt. LouisCharlottePhiladelphiaColumbusKansas CityMiamiPhoenixLas VegasCincinnatiGrand RapidsDes MoinesRaleighSan FranciscoMadisonDaytonGreen BayTampaPittsburghLouisvilleKnoxvilleRochester

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