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Cheap flights from Illinois to Buffalo (BUF) from $55

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — BUF
Apr 28 — May 51
From?
To?
Sun 4/28
Sun 5/5
1 adult, Economy
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How far in advance should I book a flight from Illinois to Buffalo?

To save on the cost of your flight from Illinois to Buffalo, book at least 53 days before your planned departure. Booking around this time can save you about 117% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $364 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $442.

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

March is one of the best times of the year to fly to Buffalo from Illinois. Prices for March average $312 per person but you can even find prices for as low as $178. The most expensive prices can be found in the month of November. Opting for a March flight can save you 36% on your journey compared to booking in November

When is the cheapest time to fly from Illinois to Buffalo (IL - BUF)?

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.

Cheap American Airlines flights from Illinois to Buffalo

Explore cheap flight options specifically provided by American Airlines for the route between Illinois and Buffalo. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Take a peek at the cheapest American Airlines flights we've detected traveling from Illinois to Buffalo. Come back soon if you're not finding the exact deal you're looking for.
Wed 9/258:15 amORD - BUF
Nonstop1h 41mAmerican Airlines
Mon 9/3011:55 amBUF - ORD
Nonstop1h 50mAmerican Airlines
Deal found 4/22$107
Sat 8/248:15 amORD - BUF
Nonstop1h 41mAmerican Airlines
Tue 8/276:52 amBUF - ORD
Nonstop1h 48mAmerican Airlines
Deal found 4/22$110
Sat 9/141:20 pmORD - BUF
Nonstop1h 27mAmerican Airlines
Mon 9/164:57 pmBUF - ORD
Nonstop1h 48mAmerican Airlines
Deal found 4/21$117
Sat 9/145:30 amORD - BUF
1 stop6h 31mAmerican Airlines
Mon 9/1611:55 amBUF - ORD
Nonstop1h 50mAmerican Airlines
Deal found 4/21$140
Wed 9/257:30 amORD - BUF
1 stop7h 40mAmerican Airlines
Mon 9/3011:55 amBUF - ORD
Nonstop1h 50mAmerican Airlines
Deal found 4/22$141
Sat 8/248:15 amORD - BUF
Nonstop1h 41mAmerican Airlines
Tue 8/276:41 amBUF - ORD
1 stop6h 28mAmerican Airlines
Deal found 4/22$144
Wed 8/219:55 amORD - BUF
1 stop5h 16mAmerican Airlines
Wed 8/2811:55 amBUF - ORD
Nonstop1h 50mAmerican Airlines
Deal found 4/22$146
Wed 8/218:15 amORD - BUF
Nonstop1h 41mAmerican Airlines
Wed 8/2811:55 amBUF - ORD
Nonstop1h 50mAmerican Airlines
Deal found 4/22$168
Mon 7/11:15 pmORD - BUF
Nonstop1h 31mAmerican Airlines
Wed 7/3111:39 amBUF - ORD
Nonstop1h 51mAmerican Airlines
Deal found 4/22$179

Cheap Frontier flights from Illinois to Buffalo

Explore cheap flight options specifically provided by Frontier for the route between Illinois and Buffalo. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Some of the best deals we've found on Frontier flights traveling from Illinois to Buffalo. Check back soon if you're not seeing flights that suit your needs.
Mon 5/65:30 amMDW - BUF
1 stop11h 32mFrontier
Wed 5/89:43 pmBUF - MDW
1 stop11h 53mFrontier
Deal found 4/22$98
Mon 5/1310:37 amMDW - BUF
1 stop7h 46mFrontier
Mon 5/208:46 amBUF - MDW
1 stop9h 49mFrontier
Deal found 4/22$103
Sat 5/185:05 amMDW - BUF
1 stop12h 02mFrontier
Mon 5/208:46 amBUF - MDW
1 stop9h 49mFrontier
Deal found 4/22$122
Thu 5/97:16 pmSTL - BUF
1 stop11h 30mFrontier
Mon 5/137:02 pmBUF - STL
1 stop21h 48mFrontier
Deal found 4/22$123
Mon 5/138:25 amORD - BUF
1 stop22h 21mFrontier
Mon 5/208:46 amBUF - ORD
1 stop17h 22mFrontier
Deal found 4/22$129
Wed 5/155:30 amMDW - BUF
1 stop14h 23mFrontier
Mon 5/208:46 amBUF - MDW
1 stop9h 49mFrontier
Deal found 4/21$131
Thu 5/95:51 pmORD - BUF
1 stop12h 55mFrontier
Sat 5/1110:15 amBUF - ORD
1 stop8h 12mFrontier
Deal found 4/22$133
Sat 5/48:17 pmMDW - BUF
1 stop10h 29mFrontier
Wed 5/89:43 pmBUF - MDW
1 stop11h 53mFrontier
Deal found 4/22$138
Mon 5/65:30 amMDW - BUF
1 stop11h 32mFrontier
Mon 5/68:13 pmBUF - MDW
1 stop27h 51mFrontier
Deal found 4/22$142

Cheap Illinois to Buffalo flights in April & May 2024

Find cheap flight options from Illinois to Buffalo specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Prices were last updated on April 23, 2024.
These are some of the best deals we've found on flights to Buffalo in 2024 at this time. Check back soon for alternative fares.
Mon 5/65:30 amMDW - BUF
1 stop11h 32mFrontier
Wed 5/89:43 pmBUF - MDW
1 stop11h 53mFrontier
Deal found 4/22$98
Mon 5/1310:37 amMDW - BUF
1 stop7h 46mFrontier
Mon 5/208:46 amBUF - MDW
1 stop9h 49mFrontier
Deal found 4/22$103
Sat 5/185:05 amMDW - BUF
1 stop12h 02mFrontier
Mon 5/208:46 amBUF - MDW
1 stop9h 49mFrontier
Deal found 4/22$122
Thu 5/97:16 pmSTL - BUF
1 stop11h 30mFrontier
Mon 5/137:02 pmBUF - STL
1 stop21h 48mFrontier
Deal found 4/22$123
Wed 5/155:30 amMDW - BUF
1 stop14h 23mFrontier
Mon 5/208:46 amBUF - MDW
1 stop9h 49mFrontier
Deal found 4/21$131
Thu 5/25:56 pmMDW - BUF
1 stop12h 50mFrontier
Wed 5/89:43 pmBUF - MDW
1 stop11h 53mFrontier
Deal found 4/22$138
Mon 5/65:30 amMDW - BUF
1 stop11h 32mFrontier
Mon 5/68:13 pmBUF - MDW
1 stop27h 51mFrontier
Deal found 4/22$142
Thu 5/210:53 pmMDW - BUF
1 stop10h 15mFrontier
Sat 5/47:12 pmBUF - MDW
1 stop14h 19mFrontier
Deal found 4/22$147
Fri 5/175:01 amMDW - BUF
1 stop12h 06mFrontier
Mon 5/208:46 amBUF - MDW
1 stop9h 49mFrontier
Deal found 4/22$148

Illinois to Buffalo 2024 flight deals

Discover exclusive flight deals for travel between Illinois and Buffalo in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
These are some of the best deals we've found on flights to Buffalo in 2024 at this time. Check back soon for alternative fares.
Mon 5/65:30 amMDW - BUF
1 stop11h 32mFrontier
Wed 5/89:43 pmBUF - MDW
1 stop11h 53mFrontier
Deal found 4/22$98
Mon 5/1310:37 amMDW - BUF
1 stop7h 46mFrontier
Mon 5/208:46 amBUF - MDW
1 stop9h 49mFrontier
Deal found 4/22$103
Wed 9/258:15 amORD - BUF
Nonstop1h 41mAmerican Airlines
Mon 9/3011:55 amBUF - ORD
Nonstop1h 50mAmerican Airlines
Deal found 4/22$107
Sat 8/248:15 amORD - BUF
Nonstop1h 41mAmerican Airlines
Tue 8/276:52 amBUF - ORD
Nonstop1h 48mAmerican Airlines
Deal found 4/22$110
Sat 9/141:20 pmORD - BUF
Nonstop1h 27mAmerican Airlines
Mon 9/164:57 pmBUF - ORD
Nonstop1h 48mAmerican Airlines
Deal found 4/21$117
Sat 5/185:05 amMDW - BUF
1 stop12h 02mFrontier
Mon 5/208:46 amBUF - MDW
1 stop9h 49mFrontier
Deal found 4/22$122
Thu 5/97:16 pmSTL - BUF
1 stop11h 30mFrontier
Mon 5/137:02 pmBUF - STL
1 stop21h 48mFrontier
Deal found 4/22$123
Mon 5/138:25 amORD - BUF
1 stop22h 21mFrontier
Mon 5/208:46 amBUF - ORD
1 stop17h 22mFrontier
Deal found 4/22$129
Wed 5/155:30 amMDW - BUF
1 stop14h 23mFrontier
Mon 5/208:46 amBUF - MDW
1 stop9h 49mFrontier
Deal found 4/21$131

Non-stop flights to Buffalo from Illinois

Discover non-stop flight options from Illinois to Buffalo. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Take a look at some of the direct flights traveling from Illinois to Buffalo in the near future. If you're looking for other options for flights from Illinois to Buffalo, make sure to update the search form at the top of page.
Mon 7/11:15 pmORD - BUF
Nonstop1h 31mAmerican Airlines
Wed 7/3111:39 amBUF - ORD
Nonstop1h 51mAmerican Airlines
Deal found 4/22$179
Sat 6/158:27 pmORD - BUF
Nonstop1h 36mAmerican Airlines
Tue 6/184:36 pmBUF - ORD
Nonstop1h 49mAmerican Airlines
Deal found 4/22$198
Thu 5/309:20 pmORD - BUF
Nonstop1h 39mUnited Airlines
Mon 6/36:04 pmBUF - ORD
Nonstop1h 48mUnited Airlines
Deal found 4/22$207
Wed 5/299:20 pmORD - BUF
Nonstop1h 39mUnited Airlines
Thu 5/305:51 pmBUF - ORD
Nonstop1h 52mUnited Airlines
Deal found 4/22$222
Sat 5/259:20 pmORD - BUF
Nonstop1h 39mUnited Airlines
Wed 5/2910:05 amBUF - ORD
Nonstop1h 57mUnited Airlines
Deal found 4/22$237
Wed 7/178:20 amORD - BUF
Nonstop1h 49mAmerican Airlines
Sat 7/206:13 pmBUF - ORD
Nonstop1h 52mAmerican Airlines
Deal found 4/22$239
Fri 5/249:20 pmORD - BUF
Nonstop1h 39mUnited Airlines
Sun 5/267:00 amBUF - ORD
Nonstop1h 52mUnited Airlines
Deal found 4/22$241
Sat 5/259:20 pmORD - BUF
Nonstop1h 39mUnited Airlines
Mon 5/275:51 pmBUF - ORD
Nonstop1h 52mUnited Airlines
Deal found 4/21$253
Mon 5/206:20 pmORD - BUF
Nonstop1h 41mUnited Airlines
Sat 6/12:04 pmBUF - ORD
Nonstop1h 51mUnited Airlines
Deal found 4/22$267

Illinois to Buffalo flights leaving soon

Find last-minute flight options from Illinois to Buffalo for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Users seeking a last-minute flight from Illinois to Buffalo should consider booking one of these fares. Users should examine the flight details to ensure there are no surprises.
Mon 5/65:30 amMDW - BUF
1 stop11h 32mFrontier
Wed 5/89:43 pmBUF - MDW
1 stop11h 53mFrontier
Deal found 4/22$98
Thu 5/25:56 pmMDW - BUF
1 stop12h 50mFrontier
Wed 5/89:43 pmBUF - MDW
1 stop11h 53mFrontier
Deal found 4/22$138
Mon 5/65:30 amMDW - BUF
1 stop11h 32mFrontier
Mon 5/68:13 pmBUF - MDW
1 stop27h 51mFrontier
Deal found 4/22$142
Thu 5/210:53 pmMDW - BUF
1 stop10h 15mFrontier
Sat 5/47:12 pmBUF - MDW
1 stop14h 19mFrontier
Deal found 4/22$147
Thu 5/25:51 pmORD - BUF
1 stop12h 55mFrontier
Sat 5/48:38 pmBUF - ORD
1 stop29h 21mFrontier
Deal found 4/22$154
Thu 5/25:51 pmORD - BUF
1 stop12h 55mFrontier
Wed 5/810:14 amBUF - ORD
1 stop8h 13mFrontier
Deal found 4/22$164
Sun 5/510:27 pmMDW - BUF
1 stop18h 35mFrontier
Mon 5/68:13 pmBUF - MDW
1 stop27h 51mFrontier
Deal found 4/22$176
Sun 5/56:31 pmMDW - BUF
1 stop12h 24mFrontier
Wed 5/89:43 pmBUF - MDW
1 stop11h 53mFrontier
Deal found 4/22$178
Thu 5/25:51 pmORD - BUF
1 stop12h 55mFrontier
Sat 5/410:15 amBUF - ORD
1 stop8h 12mFrontier
Deal found 4/22$178

One-way flights to Buffalo from Illinois

Search for one-way flight options from Illinois to Buffalo. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Take a look at some of the one-way flights we've detected from Illinois to Buffalo. Those needing a return flight from Illinois to Buffalo can use the search form above.
Mon 5/65:30 amMDW - BUF
1 stop11h 32mFrontier
Deal found 4/22$55
Tue 5/710:55 pmMDW - BUF
1 stop20h 58mFrontier
Deal found 4/22$60
Tue 10/151:10 pmMDW - BUF
1 stop3h 07mDelta
Deal found 4/23$78
Sat 9/216:00 amMDW - BUF
1 stop10h 46mFrontier
Deal found 4/22$81
Fri 8/236:00 amMDW - BUF
1 stop10h 46mFrontier
Deal found 4/22$85
Wed 9/256:00 amMDW - BUF
1 stop10h 46mFrontier
Deal found 4/22$86
Wed 6/125:55 amMDW - BUF
1 stop9h 57mFrontier
Deal found 4/22$88
Fri 5/103:44 pmMDW - BUF
1 stop26h 54mFrontier
Deal found 4/22$89
Sun 5/1210:27 pmMDW - BUF
1 stop18h 35mFrontier
Deal found 4/21$90

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 3,086,534 searches. Data last updated April 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$98 - $197

Route

Depart

Return

Price

Chicago MidwayBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Mon 5/6

1 stop11h 32m

Buffalo

Wed 5/8

1 stop11h 53m

$98

Chicago MidwayBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Mon 5/13

1 stop7h 46m

Buffalo

Mon 5/20

1 stop9h 49m

$103

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 9/25

Nonstop1h 41m

Buffalo

Mon 9/30

Nonstop1h 50m

$107

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sat 8/24

Nonstop1h 41m

Buffalo

Tue 8/27

Nonstop1h 48m

$110

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sat 9/14

Nonstop1h 27m

Buffalo

Mon 9/16

Nonstop1h 48m

$117

Chicago MidwayBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Sat 5/18

1 stop12h 02m

Buffalo

Mon 5/20

1 stop9h 49m

$122

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 5/29

1 stop4h 46m

Buffalo

Thu 5/30

1 stop9h 33m

$151

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sat 5/18

Nonstop1h 41m

Buffalo

Wed 5/29

Nonstop1h 57m

$159

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sat 5/25

1 stop4h 36m

Buffalo

Sat 6/1

1 stop5h 28m

$197

Flights are sorted by cheapest first

Deals found on 4/22

No data available for this route at this time. Please check back soon.

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 April 23, 2024.
To help decide which airline to fly from Illinois to Buffalo, see what other customers have to say about American Airlines, Frontier and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
11,028 reviews
Check prices

Crew

8.6

Food

7.5

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

Delta
8.1
Very good
11,028 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Crew

8.6

Food

7.5

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

JetBlue
7.6
Good
4,634 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Crew

8.6

Food

7.5

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

United Airlines
7.4
Good
11,289 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Crew

8.6

Food

7.5

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

American Airlines
7.3
Good
14,914 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Crew

8.6

Food

7.5

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

Sun Country Air
7.3
Good
663 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Crew

8.6

Food

7.5

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

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 $100 on Cheapflights?

    Yes, there are multiple flights from Illinois to Buffalo for under $100. The cheapest flight booked recently is on Frontier for just $98, but on average you can expect to pay $130.

  • Are there nonstop flights from Illinois to Buffalo for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Illinois to Buffalo under $200. A good price for a nonstop flight from Illinois to Buffalo is less than $261.

  • Are there last-minute flights available from Illinois to Buffalo for under $100?

    There are currently 20+ open flights from Illinois to Buffalo within the next 7 days for less than $100.

  • 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 $55 on Frontier. Other airlines that offer cheap prices include Delta from $78 and American Airlines from $97 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 popular airlines that fly from Illinois to Buffalo?

    Before booking your flight from Illinois to Buffalo check out the most popular airlines for this route: American Airlines, Delta or United Airlines.

  • 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: GoJet (96%), SkyWest Airlines (94%), Japan Airlines( 93%).

  • What are the cheapest flights from Illinois to Buffalo?

    While on average a flight from Illinois to Buffalo is generally $253, our data shows the cheapest flight currently is $119. When looking at the most popular route, (Chicago O'Hare Intl - Buffalo), you can expect to pay $145 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 4/22.

See more FAQs

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Top 3 airlines flying from Illinois to Buffalo

Discover the top 3 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 3,086,534 searches. Data last updated April 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$151Average$473FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$169Average$456FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$185Average$317FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Illinois to Buffalo by cabin class

Find flights from Illinois to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
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Hourly flight availability from Illinois to Buffalo

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 April 23, 2024.
1%of flight departuresEarly morningMidnight to 6 am
24%of flight departuresMorning6 am to noon
72%of flight departuresAfternoonNoon to 6 pm
3%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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