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

Thu, Aug 27
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2,000+ travel companies
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Journey information

Overview: Chicago, IL to Buffalo Niagara International Airport flight

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Flights from Chicago, IL to Buffalo Niagara International Airport depart on average 40 times per day, taking around 1h 40m. Cheap flight tickets for this journey start at $186 (€150) but you can travel from only $61 (€49) by bus.

There are 5 flights per day. The earliest flight runs at 00:59, the last at 18:40. The fastest flight covers the 461 miles (742 km) distance in 1h 43m. 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 $61 (€49)
Distance
461 miles (742 km)
Average flight duration
1h 40m
Cheapest ticket price
$186 (€150)
Flights per day
40
Direct flights
5
Fastest flight
1h 43m
First flight
12:59 AM
Last flight
6:40 PM
Cheapest Month
Nov
Cheapest Day
Wed
High Season
Jul - Sep
Low Season
Oct - Dec
Busiest Day
Tue
Least Busy Day
Tue
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 $61 (€49)

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

Showing times and prices for Aug 27

Cheapest price

$438

Average price

$439

Fastest journey

1 h 42 m

Average duration

1 h 43 m

Flights per day

2

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 $439 if you buy it on the day, but the cheapest tickets can be found for only $438.

Fast flights

Of the 2 flights that leave Chicago, IL for Buffalo Niagara International Airport onThu, Aug 27, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Thu, Aug 27 the direct flights cover the 742 km distance in an average of 1 h 43 m but if you time it right, some flights will get you there in just 1 h 42 m .

On Thu, Aug 27 the longest flights will take 1 h 43 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.

  • United
    3:30 PM1h43
    Chicago, IL
    5:13 PMBuffalo Niagara International Airport
    $4381One-way
    0 transfers
  • United
    11:59 AM1h42
    Chicago, IL
    1:41 PMBuffalo Niagara International Airport
    $4401One-way
    0 transfers

Travel Information

Compare bus, train, and flight for Chicago, IL to Buffalo Niagara International Airport

Omio recommends booking the train as it is the most popular option from Chicago, IL to Buffalo Niagara International Airport among Omio's users. If you are prioritising price take the bus with prices starting from $61. For those with little time consider booking a flight which can get you there in 1h 40m. The ticket price range depends on the travel mode: a bus costs an average of $61, and a flight costs an average of $186.

Distance: 461 miles (742 km)

Compare flight with

Flight
Most popular
Train
Bus
Driving

$198

Average price

$99

Average price

$70

Average price

Cheapest

$113

Average price

(fuel + tolls)

4h 40m

Average total duration

Fastest

1h 40m

Onboard

+

3h 0m

Additional time*

10h 53m

Average total duration

10h 23m

Onboard

+

30m

Additional time*

13h 43m

Average total duration

13h 13m

Onboard

+

30m

Additional time*

8h 0m

Average total duration

(door-to-door)

Republic Airlines

Most popular airline

Amtrak

Most popular train company

Greyhound

Most popular bus company

Your own car or car rental

Direct Options

Direct Options

Direct Options

Direct Options

The cheapest way to travel from Chicago, IL to Buffalo Niagara International Airport is a bus with an average price of $70 (€56).

This is compared to other travel options from Chicago, IL to Buffalo Niagara International Airport:

A bus is $29 (€23) less than a train for this route with tickets for a train from Chicago, IL to Buffalo Niagara International Airport costing on average $99 (€79).

A bus is $129 (€104) less than a flight for this route with tickets for a flight from Chicago, IL to Buffalo Niagara International Airport costing on average $198 (€160).

The fastest way to travel from Chicago, IL to Buffalo Niagara International Airport is by flight with an average journey time of 1h 40m.

Other travel options to Buffalo Niagara International Airport take longer:

Train takes on average 10h 23m.

Bus takes on average 13h 13m.

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.
We recommend using the train as it is the most popular way to get from Chicago, IL to Buffalo Niagara International Airport among Omio's users.

Compare prices and tickets Chicago, IL to Buffalo Niagara International Airport by bus, train, or flight

Compare bus, train, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.

Thu
Aug 27
Fri
Aug 28
Sat
Aug 29
Sun
Aug 30
Mon
Aug 31
Tue
Sep 01
Wed
Sep 02

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

Republic Airlines as well as American Airlines or United 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 or United 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: Republic Airlines, American Airlines, United from Chicago, IL to Buffalo Niagara International AirportFind the best flights between Chicago, IL to Buffalo Niagara International Airport with Omio's travel partners Republic Airlines, American Airlines, United from $61 (€49). 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 Duration
1h 41m
Cheapest Price
$378 (€304)
United frequency
26 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 Duration
1h 43m
Cheapest Price
$186 (€150)
American Airlines frequency
19 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

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
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 $186 (€150) when you book in advance. The average flight ticket price for Chicago, IL to Buffalo Niagara International Airport is $198 (€160) ; 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 43m 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 6:40 PM.
Yes, there are 5 direct flights a day from Chicago, IL to Buffalo Niagara International Airport with Republic Airlines, American Airlines, United. 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 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.
The cheapest month for a flight from Chicago, IL to Buffalo Niagara International Airport is November.
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.
Since neither Chicago, IL nor Buffalo Niagara International Airport are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is a time difference of 1 h between Chicago, IL and Buffalo Niagara International Airport all year round.
We recommend using the train as it is the most popular way to get from Chicago, IL to Buffalo Niagara International Airport among Omio's users.
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

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Trains from Chicago, IL to Buffalo Niagara International Airport
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