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Cheap flights from Illinois to Buffalo (BUF) from $49

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 5/22. 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
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
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 349% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $429 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $552.

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

February is one of the best times of the year to fly to Buffalo from Illinois. Prices for February average $311 per person but you can even find prices for as low as $142. The most expensive prices can be found in the month of December. Opting for a February flight can save you 15% on your journey compared to booking in December

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 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 2,637,452 searches. Data last updated May 16, 2024.
Take a peek at the cheapest Frontier flights we've detected traveling from Illinois to Buffalo. Come back soon if you're not finding the exact deal you're looking for.
Tue 6/41:30 pmORD - BUF
1 stop6h 30mFrontier
Wed 6/52:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/16$99
Wed 5/228:00 amORD - BUF
1 stop4h 46mFrontier
Wed 5/292:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/15$107
Wed 5/298:00 amORD - BUF
1 stop4h 46mFrontier
Sat 6/19:11 pmBUF - ORD
1 stop28h 57mFrontier
Deal found 5/15$109
Wed 6/58:00 amORD - BUF
1 stop4h 45mFrontier
Mon 6/102:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/16$122
Tue 6/41:30 pmORD - BUF
1 stop6h 30mFrontier
Mon 6/102:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/16$124
Thu 5/307:49 amMDW - BUF
1 stop10h 34mFrontier
Sat 6/19:11 pmBUF - MDW
1 stop10h 43mFrontier
Deal found 5/15$125
Wed 5/295:01 amMDW - BUF
1 stop15h 55mFrontier
Sat 6/19:11 pmBUF - MDW
1 stop10h 43mFrontier
Deal found 5/15$126
Tue 6/41:30 pmORD - BUF
1 stop6h 30mFrontier
Fri 6/72:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/16$128
Fri 5/317:53 amMDW - BUF
1 stop11h 42mFrontier
Sat 6/19:11 pmBUF - MDW
1 stop10h 43mFrontier
Deal found 5/15$129

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 2,637,452 searches. Data last updated May 16, 2024.
Some of the best deals we've found on American Airlines flights traveling from Illinois to Buffalo. Check back soon if you're not seeing flights that suit your needs.
Sat 9/74:31 pmMLI - BUF
1 stop6h 28mAmerican Airlines
Mon 9/95:51 pmBUF - MLI
1 stop5h 04mAmerican Airlines
Deal found 5/15$220
Sat 8/313:09 pmORD - BUF
Nonstop1h 31mAmerican Airlines
Sun 9/16:30 pmBUF - ORD
Nonstop1h 50mAmerican Airlines
Deal found 5/16$249
Tue 8/137:24 pmORD - BUF
Nonstop1h 33mAmerican Airlines
Tue 8/2010:16 amBUF - ORD
1 stop8h 23mAmerican Airlines
Deal found 5/16$252
Sat 8/313:09 pmORD - BUF
Nonstop1h 31mAmerican Airlines
Sun 9/16:04 amBUF - ORD
1 stop5h 26mAmerican Airlines
Deal found 5/16$257
Wed 5/299:55 amORD - BUF
1 stop5h 41mAmerican Airlines
Fri 5/318:28 amBUF - ORD
Nonstop1h 52mAmerican Airlines
Deal found 5/15$261
Fri 8/237:24 pmORD - BUF
Nonstop1h 33mAmerican Airlines
Wed 8/288:06 amBUF - ORD
Nonstop1h 49mAmerican Airlines
Deal found 5/16$262
Sat 8/317:24 pmORD - BUF
Nonstop1h 33mAmerican Airlines
Mon 9/28:06 amBUF - ORD
Nonstop1h 49mAmerican Airlines
Deal found 5/16$264
Wed 8/147:24 pmORD - BUF
Nonstop1h 33mAmerican Airlines
Mon 9/26:30 pmBUF - ORD
Nonstop1h 50mAmerican Airlines
Deal found 5/16$266
Fri 8/237:24 pmORD - BUF
Nonstop1h 33mAmerican Airlines
Wed 8/286:04 amBUF - ORD
1 stop5h 26mAmerican Airlines
Deal found 5/16$270

Cheap Illinois to Buffalo flights in May & June 2024

Find cheap flight options from Illinois to Buffalo specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 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.
Tue 6/41:30 pmORD - BUF
1 stop6h 30mFrontier
Wed 6/52:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/16$99
Wed 5/228:00 amORD - BUF
1 stop4h 46mFrontier
Wed 5/292:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/15$107
Wed 5/298:00 amORD - BUF
1 stop4h 46mFrontier
Sat 6/19:11 pmBUF - ORD
1 stop28h 57mFrontier
Deal found 5/15$109
Wed 6/58:00 amORD - BUF
1 stop4h 45mFrontier
Mon 6/102:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/16$122
Tue 6/41:30 pmORD - BUF
1 stop6h 30mFrontier
Mon 6/102:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/16$124
Wed 5/298:00 amORD - BUF
1 stop4h 46mFrontier
Fri 5/312:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/15$126
Tue 6/41:30 pmORD - BUF
1 stop6h 30mFrontier
Fri 6/72:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/16$128
Tue 5/281:30 pmORD - BUF
1 stop6h 30mFrontier
Tue 6/48:40 pmBUF - ORD
1 stop29h 27mFrontier
Deal found 5/16$135
Fri 5/318:00 amORD - BUF
1 stop4h 46mFrontier
Sat 6/19:11 pmBUF - ORD
1 stop28h 57mFrontier
Deal found 5/15$138

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 2,637,452 searches. Data last updated May 16, 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.
Tue 6/41:30 pmORD - BUF
1 stop6h 30mFrontier
Wed 6/52:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/16$99
Wed 5/228:00 amORD - BUF
1 stop4h 46mFrontier
Wed 5/292:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/15$107
Wed 5/298:00 amORD - BUF
1 stop4h 46mFrontier
Sat 6/19:11 pmBUF - ORD
1 stop28h 57mFrontier
Deal found 5/15$109
Wed 6/58:00 amORD - BUF
1 stop4h 45mFrontier
Mon 6/102:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/16$122
Tue 6/41:30 pmORD - BUF
1 stop6h 30mFrontier
Mon 6/102:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/16$124
Wed 5/298:00 amORD - BUF
1 stop4h 46mFrontier
Fri 5/312:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/15$126
Tue 6/41:30 pmORD - BUF
1 stop6h 30mFrontier
Fri 6/72:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/16$128
Wed 8/148:00 amORD - BUF
1 stop4h 45mFrontier
Mon 9/29:19 pmBUF - ORD
1 stop28h 40mFrontier
Deal found 5/16$130
Tue 5/281:30 pmORD - BUF
1 stop6h 30mFrontier
Tue 6/48:40 pmBUF - ORD
1 stop29h 27mFrontier
Deal found 5/16$135

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 2,637,452 searches. Data last updated May 16, 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.
Sat 8/313:09 pmORD - BUF
Nonstop1h 31mAmerican Airlines
Sun 9/16:30 pmBUF - ORD
Nonstop1h 50mAmerican Airlines
Deal found 5/16$249
Wed 7/316:33 pmORD - BUF
Nonstop1h 50mAmerican Airlines
Sat 8/38:00 amBUF - ORD
Nonstop1h 52mAmerican Airlines
Deal found 5/14$252
Wed 5/291:39 pmORD - BUF
Nonstop1h 35mAmerican Airlines
Fri 5/318:28 amBUF - ORD
Nonstop1h 52mAmerican Airlines
Deal found 5/15$253
Wed 6/129:20 pmORD - BUF
Nonstop1h 39mUnited Airlines
Wed 6/197:00 amBUF - ORD
Nonstop1h 52mUnited Airlines
Deal found 5/15$255
Tue 6/42:22 pmORD - BUF
Nonstop1h 36mUnited Airlines
Wed 6/510:05 amBUF - ORD
Nonstop1h 57mUnited Airlines
Deal found 5/15$256
Sat 8/173:09 pmORD - BUF
Nonstop1h 31mAmerican Airlines
Fri 8/236:30 pmBUF - ORD
Nonstop1h 50mAmerican Airlines
Deal found 5/15$262
Thu 9/58:15 amORD - BUF
Nonstop1h 41mAmerican Airlines
Mon 9/96:52 amBUF - ORD
Nonstop1h 48mAmerican Airlines
Deal found 5/15$263
Sat 8/313:09 pmORD - BUF
Nonstop1h 31mAmerican Airlines
Mon 9/28:06 amBUF - ORD
Nonstop1h 49mAmerican Airlines
Deal found 5/15$264
Wed 8/147:24 pmORD - BUF
Nonstop1h 33mAmerican Airlines
Mon 9/26:30 pmBUF - ORD
Nonstop1h 50mAmerican Airlines
Deal found 5/16$266

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 2,637,452 searches. Data last updated May 16, 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.
Wed 5/228:00 amORD - BUF
1 stop4h 46mFrontier
Wed 5/292:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/15$107
Tue 5/211:30 pmORD - BUF
1 stop6h 30mFrontier
Wed 5/222:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/15$178
Wed 5/225:01 amMDW - BUF
1 stop15h 55mFrontier
Wed 5/2911:24 amBUF - MDW
1 stop20h 30mFrontier
Deal found 5/16$218
Thu 5/237:49 amMDW - BUF
1 stop7h 18mFrontier
Sat 5/257:02 pmBUF - MDW
1 stop17h 07mFrontier
Deal found 5/15$222
Tue 5/2110:44 pmSTL - BUF
1 stop22h 12mFrontier
Wed 5/2910:56 pmBUF - STL
1 stop24h 10mFrontier
Deal found 5/16$223
Tue 5/217:44 pmSTL - BUF
1 stop20h 03mFrontier
Fri 5/317:07 pmBUF - STL
1 stop15h 18mFrontier
Deal found 5/16$252
Fri 5/248:00 amORD - BUF
1 stop4h 46mFrontier
Mon 5/275:25 pmBUF - ORD
1 stop8h 48mFrontier
Deal found 5/15$275
Tue 5/2110:44 pmSTL - BUF
1 stop22h 12mFrontier
Sat 5/257:02 pmBUF - STL
1 stop28h 30mFrontier
Deal found 5/16$279
Tue 5/217:44 pmSTL - BUF
1 stop20h 03mFrontier
Thu 5/308:23 pmBUF - STL
1 stop11h 45mFrontier
Deal found 5/16$294

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 2,637,452 searches. Data last updated May 16, 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.
Wed 5/228:00 amORD - BUF
1 stop4h 46mFrontier
Deal found 5/15$49
Wed 6/125:55 amMDW - BUF
1 stop10h 57mFrontier
Deal found 5/15$56
Tue 6/118:00 amORD - BUF
1 stop10h 53mFrontier
Deal found 5/15$56
Wed 8/286:00 amMDW - BUF
1 stop10h 46mFrontier
Deal found 5/15$61
Wed 6/128:00 amORD - BUF
1 stop4h 45mFrontier
Deal found 5/15$74
Mon 6/105:55 amMDW - BUF
1 stop9h 55mFrontier
Deal found 5/15$75
Fri 5/318:00 amORD - BUF
1 stop4h 46mFrontier
Deal found 5/15$78
Mon 6/105:55 amMDW - BUF
1 stop9h 55mFrontier
Deal found 5/15$79
Wed 6/198:00 amORD - BUF
1 stop4h 45mFrontier
Deal found 5/15$79

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$99 - $276

Route

Depart

Return

Price

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 6/4

1 stop6h 30m

Buffalo

Wed 6/5

1 stop4h 59m

$99

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 5/29

1 stop4h 46m

Buffalo

Sat 6/1

1 stop28h 57m

$109

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 6/5

1 stop4h 45m

Buffalo

Mon 6/10

1 stop4h 59m

$122

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 6/4

1 stop6h 30m

Buffalo

Mon 6/10

1 stop4h 59m

$124

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 6/4

1 stop6h 30m

Buffalo

Thu 6/6

1 stop6h 41m

$168

Moline Quad-CityBuffalo

MLI - BUF

MLIBUF

Moline Quad-City

Sat 9/7

1 stop6h 28m

Buffalo

Mon 9/9

1 stop5h 04m

$220

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 7/17

1 stop4h 58m

Buffalo

Tue 7/23

1 stop6h 00m

$250

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 5/29

Nonstop1h 39m

Buffalo

Fri 5/31

Nonstop1h 57m

$253

Lambert-St LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Tue 7/9

1 stop8h 07m

Buffalo

Wed 7/17

1 stop5h 05m

$276

Flights are sorted by cheapest first

Deals found on 5/16

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 May 16, 2024.
To help decide which airline to fly from Illinois to Buffalo, see what other customers have to say about Frontier, American Airlines and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,040 reviews
Check prices

Comfort

8.1

Boarding

8.3

Food

7.3

Overall

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
6,040 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Comfort

8.1

Boarding

8.3

Food

7.3

Overall

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
10,673 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Comfort

8.1

Boarding

8.3

Food

7.3

Overall

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

JetBlue
7.6
Good
4,472 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Comfort

8.1

Boarding

8.3

Food

7.3

Overall

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

WestJet
7.5
Good
2,919 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Comfort

8.1

Boarding

8.3

Food

7.3

Overall

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
10,924 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Comfort

8.1

Boarding

8.3

Food

7.3

Overall

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

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 $99, but on average you can expect to pay $132.

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

    Cheapflights has at least 20 direct flights from Illinois to Buffalo under $300. A good price for a nonstop flight from Illinois to Buffalo is less than $271.

  • Are there last-minute flights available from Illinois to Buffalo for under $200?

    There are currently 20+ open flights from Illinois to Buffalo within the next 7 days for less than $200.

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

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

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

    Per day, 10 flights depart from Illinois to Buffalo on average.
    Afternoon (Noon - 6pm) - 40% of flight departures
    Evening (6pm - Midnight) - 60% of flight departures

  • How long is the flight from Illinois to Buffalo?

    A quick flight from Illinois to Buffalo can take about 6h 30m. Frontier provides one of the quickest options available for as low as $99. There are 474 mi between Illinois and Buffalo.

  • 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: Japan Airlines (95%), Republic Airways (93%), Copa Airlines( 91%).

  • What are the cheapest flights from Illinois to Buffalo?

    While on average a flight from Illinois to Buffalo is generally $267, our data shows the cheapest flight currently is $99. When looking at the most popular route, (Chicago O'Hare Intl - Buffalo), you can expect to pay $107 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), Springfield Capital Airport (SPI).

  • 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 5/16.

See more FAQs

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See prices for flight routes from nearby airports that may be better suited for you.

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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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$153Average$444FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$169Average$461FlexibilityNo 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.
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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 May 16, 2024.
1%of flight departuresEarly morningMidnight to 6 am
18%of flight departuresMorning6 am to noon
79%of flight departuresAfternoonNoon to 6 pm
2%of flight departuresEvening6 pm to midnight
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6 AM
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6 PM

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Fly with Cheapflights

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How does Cheapflights help users find flights from Illinois to Buffalo?

Cheapflights makes it easy to find Illinois to Buffalo flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Buffalo?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Buffalo from Illinois.

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Illinois to Buffalo flexibly with Cheapflights today.

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