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$79+ Cheap flights from Illinois to Buffalo (BUF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUF
Nov 9 — Nov 161
1 adult
Sat 11/9
Sat 11/16
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Find flight deals from Illinois to Buffalo

Cheapest flights from Illinois to Buffalo
Explore the most affordable flight options available from Illinois to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2024.

This FlightHub deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/215:38 pmSTL - BUF
1 stop16h 48mFrontier
Fri 11/221:49 pmBUF - STL
1 stop18h 52mFrontier
Deal found 11/3$168
This Frontier deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/237:50 pmORD - BUF
1 stop14h 57mFrontier
Sun 11/245:41 pmBUF - ORD
1 stop7h 18mFrontier
Deal found 11/3$209
This CheapOair deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/146:00 amMDW - BUF
1 stop9h 54mFrontier
Sun 11/173:26 pmBUF - MDW
1 stop9h 32mFrontier
Deal found 11/4$218
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/238:35 pmORD - BUF
Nonstop1h 45mAmerican Airlines
Sun 11/245:58 pmBUF - ORD
Nonstop1h 56mAmerican Airlines
Deal found 11/3$279
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/110:03 pmPIA - BUF
1 stop3h 36mUnited Airlines
Sat 12/77:00 amBUF - PIA
1 stop4h 19mUnited Airlines
Deal found 11/2$293
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/235:42 pmMDW - BUF
1 stop3h 31mDelta
Sun 11/249:07 amBUF - MDW
1 stop4h 42mDelta
Deal found 11/4$298
This JetBlue deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/34:40 pmORD - BUF
1 stop4h 39mJetBlue
Tue 12/1010:10 amBUF - ORD
1 stop6h 43mJetBlue
Deal found 11/3$325
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/286:15 amORD - BUF
1 stop5h 05mSouthwest
Tue 12/34:30 pmBUF - ORD
1 stop6h 00mSouthwest
Deal found 11/3$333
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/236:06 pmORD - BUF
Nonstop1h 41mUnited Airlines
Sun 11/241:50 pmBUF - ORD
Nonstop1h 59mUnited Airlines
Deal found 11/4$339
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/218:30 pmMDW - BUF
Nonstop1h 25mSouthwest
Sun 11/247:30 amBUF - MDW
Nonstop1h 45mSouthwest
Deal found 11/3$343
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/281:30 pmORD - BUF
1 stop7h 21mDelta
Mon 12/25:50 pmBUF - ORD
1 stop3h 35mDelta
Deal found 11/4$343
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2711:35 amSTL - BUF
1 stop4h 53mAmerican Airlines
Wed 12/46:06 amBUF - STL
2 stops8h 21mAmerican Airlines
Deal found 11/4$361

Find flights from Illinois to Buffalo within your budget

Customize your flight search to find flights from Illinois to Buffalo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,455,398 searches. Data last updated November 4, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Wed 12/18

6:50 am-7:30 pm

1 stop11h 40m

$80

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Mon 12/16

8:51 am-5:39 pm

1 stop7h 48m

$93

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Tue 12/24

6:30 pm-8:55 pm

Nonstop1h 25m

$140

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 12/25

2:02 pm-4:44 pm

Nonstop1h 42m

$140

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 1/7

11:06 am-10:49 pm

1 stop10h 43m

$147

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Wed 1/1

5:51 pm-11:03 pm

1 stop4h 12m

$149

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 1/2

7:29 pm-10:12 am

1 stop13h 43m

$80

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 12/31

5:30 pm-11:03 pm

1 stop4h 33m

$149

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 12/24

11:25 am-8:30 pm

2 stops8h 05m

$154

St. LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Thu 3/13

6:00 am-1:20 pm

1 stop6h 20m

$173

Flights are sorted by cheapest first

Deals found on 11/3

Showing 1-10 of 31 results
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Best time to book a flight from Illinois to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Illinois to Buffalo

Get recent, data-driven insights about flights from Illinois to Buffalo including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Buffalo?

Currently, January is the cheapest month in which you can book a flight from Illinois to Buffalo (average of $256). Flying from Illinois to Buffalo in July is currently the most expensive (average of $322). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to BUF?

Find hourly flight availability from Illinois to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Buffalo as you normally would.

Weekly flight availability from Illinois to Buffalo

Explore weekly flight availability from Illinois to Buffalo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 4, 2024.

The most flights from USIL to BUF are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Buffalo by month

Plan your trip to Buffalo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

Temperature in Buffalo by month

Plan your trip to Buffalo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buffalo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buffalo. Reviews last updated November 4, 2024.
To help decide which airline to fly from Illinois to Buffalo, see what other customers have to say about Frontier, Delta and Southwest. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,089 reviews

Boarding

8.3

Comfort

8.1

Food

7.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,089 reviews
Southwest
8.1
Very good
5,089 reviews

Boarding

8.3

Comfort

8.1

Food

7.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,829 reviews
Southwest
8.1
Very good
5,089 reviews

Boarding

8.3

Comfort

8.1

Food

7.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

JetBlue
7.5
Good
3,493 reviews
Southwest
8.1
Very good
5,089 reviews

Boarding

8.3

Comfort

8.1

Food

7.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,226 reviews
Southwest
8.1
Very good
5,089 reviews

Boarding

8.3

Comfort

8.1

Food

7.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,089 reviews

Boarding

8.3

Comfort

8.1

Food

7.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Illinois to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Buffalo from Illinois?

    If you book a flight to Buffalo from Illinois, you will be flying to Buffalo, which is the city’s only airport. Buffalo (BUF) is located 8.3 mi from the center of Buffalo.

  • Can I find flights from Illinois to Buffalo for under $200 on Cheapflights?

    Yes, there are multiple flights from Illinois to Buffalo for under $200. The cheapest flight booked recently is on Frontier for just $168, but on average you can expect to pay $357.

  • Are there nonstop flights from Illinois to Buffalo for under $300 on Cheapflights?

    Cheapflights has at least 3 direct flights from Illinois to Buffalo under $300. A good price for a nonstop flight from Illinois to Buffalo is less than $312.

  • Are there last-minute flights available from Illinois to Buffalo for under $300?

    There are currently 12+ open flights from Illinois to Buffalo within the next 7 days for less than $300.

  • What days are nonstop flights available from Illinois to Buffalo?

    Nonstop flights are available for this route on the following days: Monday, Thursday.

  • How many flights depart from Illinois to Buffalo on average per day?

    Per day, 13 flights depart from Illinois to Buffalo on average.
    Morning (6am - Noon) - 15% of flight departures
    Afternoon (Noon - 6pm) - 31% of flight departures
    Evening (6pm - Midnight) - 54% of flight departures

  • How long is the flight from Illinois to Buffalo?

    A quick flight from Illinois to Buffalo can take about 1h 45m. Frontier provides one of the quickest options available for as low as $168. There are 474 mi between Illinois and Buffalo. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to Buffalo one-way?

    One-way options have recently been found by users for as low as $79 on Frontier. Other airlines that offer cheap prices include JetBlue from $93 and Southwest from $140 one-way.

  • What are the most popular routes from Illinois to Buffalo?

    The most popular flight routes from Illinois to Buffalo are Chicago O'Hare Intl - Buffalo, Chicago Midway - Buffalo and Lambert-St Louis - Buffalo.

  • What are the most reliable airlines from Illinois to Buffalo?

    Before booking your flight to Buffalo from Illinois, check out the most reliable airlines to get you to your destination on time: Republic Airways (100%), SkyWest Airlines (95%), United Airlines( 89%).

  • What are the cheapest flights from Illinois to Buffalo?

    While on average a flight from Illinois to Buffalo is generally $300, our data shows the cheapest flight currently is $73. When looking at the most popular route, (Chicago O'Hare Intl - Buffalo), you can expect to pay $128 for that flight.

  • What does ORD to BUF mean?

    Great question - ORD to BUF just means Chicago O'Hare Intl Airport to Buffalo Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI).

  • Can I find deals for flights from Illinois to Buffalo that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Buffalo flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to Buffalo with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Buffalo flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Illinois to Buffalo that include hotel bookings?

    Yes. In addition to deals on Illinois to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Buffalo.

  • Can I find deals for business class flights from Illinois to Buffalo?

    Yes. Cheapflights offers flight deals from Illinois to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Illinois to Buffalo that allow pets onboard?

    Many airlines flying from Illinois to Buffalo offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to Buffalo?

    Yes, you can often find last-minute deals on Illinois to Buffalo flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to Buffalo flight deals updated?

    The Illinois to Buffalo flight deals you see on this page were last updated on 11/4.

  • What is the cheapest month to book a flight from Illinois to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Buffalo (average of $256). Flying from Illinois to Buffalo in July is currently the most expensive (average of $322). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Illinois to Buffalo

Discover the top 4 airlines that operate flights from Illinois to Buffalo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,455,398 searches. Data last updated November 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$101Average$161FlexibilityNo cancel feeOn-time62%
DeltaCheapest$155Average$497FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$163Average$380FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$197Average$392FlexibilityNo cancel feeOn-time69%
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