Chicago, IL CHI to Buffalo Niagara International Airport BUF flight with United

Sun, Oct 11
+ Add return
Republic Airlines
American Airlines
United
skywest airlines
Sun Country Airlines
2,000+ travel companies
Republic Airlines
American Airlines
United
skywest airlines
Sun Country Airlines
2,000+ travel companies
QR-Code
Scan to get our free app
Use our app to get live travel updates and book mobile tickets for trains, buses, flights, and ferries.
App Store
rate4.9
42K ratings
Google Play
rate4.6
136K reviews

The cheapest and fastest flights from Chicago, IL to Buffalo Niagara International Airport

Showing times, prices and bookable tickets for Oct 11

Cheapest price on Oct 11

$338

Average ticket price on Oct 11

$338

Fastest journey on Oct 11

8 h 25 m

Average journey duration on Oct 11

8 h 25 m

Flights on Oct 11

1

Distance

742 km

Cheap tickets

The best way to find a cheap flight ticket from Chicago, IL to Buffalo Niagara International Airport is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Chicago, IL to Buffalo Niagara International Airport will cost around $338 if you buy it on the day, but the cheapest tickets can be found for only $338.

Fast flights

On Sun, Oct 11, we found 1 flights from Chicago, IL to Buffalo Niagara International Airport, including 1 direct services.

On Sun, Oct 11 the direct flights cover the 742 km distance in an average of 8 h 25 m but if you time it right, some flights will get you there in just 8 h 25 m .

On Sun, Oct 11 the longest flights will take 8 h 25 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

  • American Airlines
    12:00 PM8h25
    Chicago, IL
    8:25 PMBuffalo Niagara International Airport
    $3381One-way
    0 transfers

Journey information

Overview: Chicago, IL to Buffalo Niagara International Airport flight

USAUSA
USAUSA
Icon of flight

Flights from Chicago, IL to Buffalo Niagara International Airport depart on average 56 times per day, taking around 4h 9m. Cheap flight tickets for this journey start at $180 (€151) but you can travel from only $70 (€59) by bus.

There are 8 flights per day. The earliest flight runs at 00:59, the last at 19:19. The fastest flight covers the 461 miles (742 km) distance in 1h 40m. November is the cheapest month to fly.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $70 (€59)
Distance
461 miles (742 km)
Average flight duration
4h 9m
Cheapest ticket price
$180 (€151)
Flights per day
56
Direct flights
8
Fastest flight
1h 40m
First flight
12:59 AM
Last flight
7:19 PM
Cheapest Month
Nov
Cheapest Day
Wed
High Season
Jul - Sep
Low Season
Oct - Dec
Busiest Day
Fri
Least Busy Day
Fri
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $70 (€59)

Live departures

Chicago, IL to Buffalo Niagara International Airport flight times

The table below shows live departures for Chicago, IL to Buffalo Niagara International Airport flights for tomorrow, Sunday, October 11. You can also manually refresh the results below to see updated flight journeys.

Last updated at
ProviderDepartsDurationArrivesTransfers
Tickets
American Airlines12:00 PM Chicago, IL
8h25
8:25 PM Buffalo Niagara International Airport0 transfersDirect

This is the last flight of the day.

Find all the dates and times for this journey

Why should you book Chicago, IL to Buffalo Niagara International Airport flights with Omio?

Republic Airlines as well as American Airlines, United, skywest airlines, Sun Country Airlines and more offer flights services from Chicago, IL to Buffalo Niagara International Airport.
Omio is the only official third party seller for Republic Airlines tickets.

Why book with Omio vs Republic Airlines?

  • Compare with other providers: On Omio, you can not only buy tickets for Republic Airlines, but also compare tickets for the likes of American Airlines, United, skywest airlines or Sun Country Airlines to find the best option for your trip from Chicago, IL to Buffalo Niagara International Airport.
  • Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
  • Compare all your options: Omio allows you to compare Republic Airlines with all available travel options, which are bus, train and flight to ensure you get the best deal for traveling from Chicago, IL to Buffalo Niagara International Airport.

Airlines: United, American Airlines, Republic Airlines, skywest airlines, Sun Country Airlines from Chicago, IL to Buffalo Niagara International AirportFind the best flights between Chicago, IL to Buffalo Niagara International Airport with Omio's travel partners United, American Airlines, Republic Airlines, skywest airlines, Sun Country Airlines from $70 (€59). We can find you the best deals, schedules and tickets when comparing and booking the best trip.

United

About
United Airlines, established in 1926, is a major U.S. airline headquartered in Chicago, Illinois. Operating an extensive domestic and international network, United serves more destinations than any other airline, connecting travelers across six continents. The airline's eight hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, Washington–Dulles, and Guam. As a founding member of the Star Alliance, United offers a comprehensive range of services, including regional flights through United Express, catering to both leisure and business travelers. The airline is committed to sustainability, investing in sustainable aviation fuel and innovative technologies to reduce its environmental impact.
Luggage & cancellation policy
Average United Duration
1h 45m
Cheapest United Price
$217 (€182)
United frequency
31 a day
Luggage included
Carry-on baggage allowance is 7kg total (2 pieces max. ) for both Choice and Flex fares on United Airlines and Virgin Australia flights.
Additional luggage
Excess baggage fees apply for additional checked luggage beyond the standard allowance.
Luggage storage
Both airlines provide checked baggage services for storing luggage during flights.
Cancellation Policy
Cancellation fees apply per person, per booking, with specific fees for different fare types.
Refund
Not applicable to flights; however, full refunds are available if flights are canceled by the airline.
Pregnant on board
Pregnant passengers are permitted to travel, with specific guidelines and medical certificates required after a certain gestational period.
Unaccompagned minor
Unaccompanied minors are permitted to travel, with specific age restrictions and services provided.
Amenities on board the airplane
Wifi
Food sold onboard
Meals and snacks are included on international flights operated by United Airlines and Virgin Australia.
Seat reservation
Seat selection may incur additional fees, depending on the fare type and airline.
Toilets
USB plugs
Accessibility
United Airlines and Virgin Australia offer services to and within Australia, providing accessible travel options for passengers with mobility needs.
Bikes
Both airlines permit bicycles onboard, with specific guidelines and fees.
Pets
United Airlines and Virgin Australia allow pets onboard, subject to specific policies and fees.
Learn more about United

American Airlines

About
American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.
Luggage & cancellation policy
Average American Airlines Duration
1h 40m
Cheapest American Airlines Price
$180 (€151)
American Airlines frequency
20 a day
Luggage included
1 carry-on bag (22 x 14 x 9 inches) and 1 personal item (18 x 14 x 8 inches) included in most fares
Additional luggage
Checked bags fees vary by route. First checked bag typically $30, second $40 on domestic flights
Cancellation Policy
Basic Economy tickets cannot be changed or refunded. Other fares allow changes with fee, refunds subject to fare rules.
Pregnant on board
Passengers can fly up to 36 weeks for single pregnancies, 32 weeks for multiple pregnancies. Medical certificate required within 7 days of departure if within 4 weeks of due date.
Unaccompagned minor
Children ages 5-14 can travel alone using American Airlines Unaccompanied Minor Service. Service fee is $150 each way.
Amenities on board the airplane
Wifi
Food sold onboard
USB plugs
Accessibility
American Airlines provides wheelchair assistance and special services for passengers with disabilities. Assistance must be requested at least 48 hours before departure.
Pets
Small dogs and cats allowed in cabin for $125 fee. Must be in approved carrier under seat. Service animals allowed.
Learn more about American Airlines

skywest airlines

About
SkyWest Airlines is a major North American regional airline headquartered in St. George, Utah. It operates flights for larger carriers such as Alaska Airlines (as Alaska SkyWest), American Airlines (as American Eagle), Delta Air Lines (as Delta Connection), and United Airlines (as United Express). SkyWest is the largest regional airline in North America by fleet size, passengers carried, and destinations served. The airline connects passengers to over 250 destinations across the United States, Canada, and Mexico, primarily linking smaller airports to major airline hubs. SkyWest's fleet consists of regional jets, including the Bombardier CRJ series and Embraer 175 aircraft.
Luggage & cancellation policy
Average skywest airlines Duration
1h 49m
Cheapest skywest airlines Price
$180 (€151)
skywest airlines frequency
1 a day
Luggage included
One carry-on bag and one personal item are allowed for free.
Additional luggage
Additional luggage can be purchased, and fees apply for excess, oversized, or overweight baggage.
Cancellation Policy
If canceled within 24 hours of purchase, a full refund is possible, provided the departure is at least 7 days away; after 24 hours, fees range from $100 to $500.
Refund
If SkyWest Airlines cancels a flight, passengers are eligible for a full refund.
Pregnant on board
Being pregnant on board is allowed, but specific policies may depend on the partner airline.
Unaccompagned minor
Children aged 5-14 can travel alone using the unaccompanied minor service, which includes airport escort and supervision.
Amenities on board the airplane
Seat reservation
Toilets
Accessibility
SkyWest Airlines complies with all provisions of the Air Carrier Access Act and accommodates customers with special needs.
Bikes
Bicycles can be checked in but may incur additional fees and must be properly packed.
Pets
Small pets like cats and dogs are allowed in the cabin for a fee, with restrictions on pet and carrier size.

Sun Country Airlines

Luggage & cancellation policy
Average Sun Country Airlines Duration
3h 44m
Cheapest Sun Country Airlines Price
$243 (€204)
Sun Country Airlines frequency
1 a day
Luggage included
One personal item (17 x 13 x 9 inches) included
Additional luggage
Checked bags available for purchase, fees vary by route
Cancellation Policy
Refunds available within 24 hours of booking, after that fees apply based on fare type
Pregnant on board
Pregnant passengers can travel up to 36 weeks (32 weeks for multiple pregnancies). Medical certificate required after 28 weeks
Unaccompagned minor
Unaccompanied minor service available for children 5-14 years old, fee applies, must be booked in advance
Amenities on board the airplane
Wifi
USB plugs
Accessibility
Wheelchair assistance available with 48-hour advance notice

Republic Airlines

About
Republic Airways is a major regional airline in the United States, operating as a subsidiary of Republic Airways Holdings. It provides scheduled passenger service for American Airlines (as American Eagle), Delta Air Lines (as Delta Connection), and United Airlines (as United Express) using a fleet of Embraer 170 and 175 regional jets. Headquartered in Indianapolis, Indiana, Republic Airways operates over 900 daily flights to more than 80 cities across the U.S. and Canada. The company is known for its large fleet of Embraer E-Jets and its state-of-the-art training facilities. In April 2025, Republic Airways Holdings announced its acquisition of Mesa Air Group, which is expected to create the second-largest regional carrier in the U.S.
Luggage & cancellation policy
Average Republic Airlines Duration
1h 51m
Cheapest Republic Airlines Price
$180 (€151)
Republic Airlines frequency
3 a day
Luggage included
One carry-on bag (24 x 16 x 10) and one personal item
Additional luggage
Checked bags for a fee
Cancellation Policy
Tickets are non-refundable but may be cancelled for future flight credit minus applicable fees
Pregnant on board
Passengers can fly up to the end of their 36th week for single pregnancies and the end of their 32nd week for multiple pregnancies
Unaccompagned minor
Unaccompanied minor service is available for children ages 5-14. Must be booked directly with Republic Airlines
Amenities on board the airplane
USB plugs
Accessibility
Republic Airlines offers assistance for passengers with reduced mobility, including wheelchair services and priority boarding. Passengers are advised to request these services in advance to ensure availability and proper arrangements.

FAQs: Chicago, IL to Buffalo Niagara International Airport Flight

Find answers to the most common questions about traveling from Chicago, IL to Buffalo Niagara International Airport by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Buffalo Niagara International Airport, this guide helps you travel smarter and with confidence.

FAQs
Cheap plane tickets from Chicago, IL to Buffalo Niagara International Airport can start from as little as $180 (€151) when you book in advance. The average flight ticket price for Chicago, IL to Buffalo Niagara International Airport is $496 (€416) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from Chicago, IL to Buffalo Niagara International Airport is 1h 40m to travel the 461 miles (742 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from Chicago, IL to Buffalo Niagara International Airport leaves at 12:59 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Chicago, IL to Buffalo Niagara International Airport leaves at 7:19 PM.
Yes, there are 8 direct flights a day from Chicago, IL to Buffalo Niagara International Airport with Republic Airlines, American Airlines, United, skywest airlines. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from Chicago, IL to Buffalo Niagara International Airport, you can count on Republic Airlines, American Airlines, United, skywest airlines, Sun Country Airlines for the best way to get you to Buffalo Niagara International Airport. You can also check all possible airlines who offer a service between Chicago, IL and Buffalo Niagara International Airport and compare the amenities they offer before buying a plane ticket.
It's helpful to compare your options as there are 3 ways to travel between Chicago, IL and Buffalo Niagara International Airport including taking a bus, train, and flight.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.
The currency used in the United States is the US Dollar (USD). For travelers, using cards is generally more convenient and widely accepted, especially credit and debit cards, while cash is useful for small purchases or places that do not accept cards.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.

popular airports

Popular airports from Chicago, IL to Buffalo Niagara International Airport

Most Chicago, IL to Buffalo Niagara International Airport flights use the O'Hare International Airport to Buffalo Niagara International Airport airport pair. Use this guide to compare Chicago, IL and Buffalo Niagara International Airport airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.

Departure airports in Chicago
Arrival airports in Buffalo
O'Hare International Airport (ORD)10000 W O'Hare Ave, Chicago, IL 60666, USAWifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rental
City-centre transport

Getting to O'Hare International Airport from Chicago city centre

O'Hare International Airport is 3 km from Chicago city centre. Public transport options include:

SubwayBlue Line · 1h 7m · $6 · every ~23 min

O'Hare International Airport airport facilities and services

O'Hare International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.

Food and drink

Food options include: Restaurants are located in all terminals, offering a variety of cuisines including American and intertiol. Top options include Tortas Frontera and Publican Tavern.

Wi-Fi and ATMs

Free Wi-Fi available throughout the airport. ATMs are located throughout all terminals.

Luggage and lost property

Lost and found is available at the station.

Parking, taxis and toilets

Available at O'Hare International Airport: Parking, Taxis, WC.

Bike and car services

Available at O'Hare International Airport: Car Rental.

Accessibility

Accessibility facilities are available at O'Hare International Airport: Elevators, ramps, toilets.

Shops, hotels and contact

Nearby hotels include Hotels such as Hilton Chicago O'Hare are located on airport grounds, with others like the Hyatt Regency nearby..

More about O'Hare International Airport

More options for your journey from Chicago, IL to Buffalo Niagara International Airport

Here are some other resources that might have the information you need

Trains from Chicago, IL to Buffalo Niagara International Airport
More information on flights to Chicago, IL

Most popular flights to and from Buffalo Niagara International Airport and Chicago, IL

Flights Chicago, IL - London
Flights Chicago, IL - New York, NY
Flights Chicago, IL - Paris
Flights Chicago, IL - Madrid
Flights Chicago, IL - Los Angeles, CA
Flights Chicago, IL - Berlin
Flights Chicago, IL - Rome
Flights Chicago, IL - Milan
Flights Chicago, IL - Washington, DC
Flights Chicago, IL - Boston, MA
Flights Chicago, IL - El Rosario
Flights Chicago, IL - Funza
Flights Chicago, IL - Miami, FL
Flights Chicago, IL - San Diego, CA
Flights Chicago, IL - Atlanta, GA
Flights Chicago, IL - Seattle, WA
Flights Chicago, IL - Brussels
Flights Chicago, IL - San Francisco, CA
Flights Chicago, IL - Las Vegas, NV
Flights Chicago, IL - Orlando, FL
Flights Chicago, IL - Hamburg
Flights Chicago, IL - Dallas, TX
Flights New York, NY - Buffalo Niagara International Airport
HomeFlightsFlights in USAChicago, IL to Buffalo Niagara International Airport Flights

The Omio App Makes Travel Planning Easy

We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.

ios-badge
android-badge
Hand With Phone