Cheap flights from Buffalo (BUF) to Illinois from $58
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.
BUF — ORD
Apr 24 — May 11
From?
To?
1 adult, Economy
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How far in advance should I book a flight from Buffalo to Illinois?
To save up to 77% on this flight, we recommend booking at least 29 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Buffalo to Illinois from $335 1-2 weeks out and tickets from $425 for flights departing within the next 72 hours.
What is the cheapest month to fly from Buffalo to Illinois?
Flights from Buffalo to Illinois lean towards being more expensive in April. Prices are generally better when you fly from Buffalo to Illinois in December, with the cheapest ticket starting at $163.
When is the cheapest time to fly from Buffalo to Illinois (BUF - IL)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to Illinois as you normally would.
Cheap American Airlines flights from Buffalo to Illinois
Explore cheap flight options specifically provided by American Airlines for the route between Buffalo and Illinois. 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 3,138,949 searches. Data last updated April 19, 2024.
Check out some of the cheapest American Airlines flights we've come across from Buffalo to Illinois. Deals update often to give you more flight options matching your criteria
Thu 7/48:00 amBUF - ORD
Nonstop1h 50mAmerican Airlines
Tue 7/98:25 pmORD - BUF
Nonstop1h 34mAmerican Airlines
Deal found 4/18$179
Wed 5/294:55 pmBUF - ORD
Nonstop1h 52mAmerican Airlines
Fri 5/311:39 pmORD - BUF
Nonstop1h 35mAmerican Airlines
Deal found 4/18$187
Thu 7/48:00 amBUF - ORD
Nonstop1h 50mAmerican Airlines
Tue 7/94:50 pmORD - BUF
1 stop4h 51mAmerican Airlines
Deal found 4/18$188
Wed 5/295:35 amBUF - ORD
1 stop6h 32mAmerican Airlines
Sat 6/16:18 pmORD - BUF
Nonstop1h 36mAmerican Airlines
Deal found 4/18$202
Thu 9/266:52 amBUF - STL
1 stop9h 40mAmerican Airlines
Sat 9/287:30 amSTL - BUF
1 stop7h 17mAmerican Airlines
Deal found 4/18$222
Mon 5/134:09 pmBUF - ORD
1 stop5h 47mAmerican Airlines
Thu 5/166:38 amORD - BUF
1 stop4h 11mAmerican Airlines
Deal found 4/19$231
Wed 6/1911:49 amBUF - ORD
Nonstop1h 51mAmerican Airlines
Sat 6/226:25 pmORD - BUF
1 stop4h 40mAmerican Airlines
Deal found 4/18$247
Fri 5/315:47 pmBUF - ORD
1 stop5h 07mAmerican Airlines
Sat 6/16:18 pmORD - BUF
Nonstop1h 36mAmerican Airlines
Deal found 4/18$256
Fri 6/284:36 pmBUF - ORD
Nonstop1h 49mAmerican Airlines
Mon 7/18:15 pmORD - BUF
Nonstop1h 32mAmerican Airlines
Deal found 4/18$284
Cheap United Airlines flights from Buffalo to Illinois
Explore cheap flight options specifically provided by United Airlines for the route between Buffalo and Illinois. 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 3,138,949 searches. Data last updated April 19, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from Buffalo to Illinois. Check back soon if you're not seeing flights that suit your needs.
Sat 5/257:00 amBUF - ORD
Nonstop1h 51mUnited Airlines
Thu 5/302:06 pmORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 4/17$192
Sat 5/257:59 pmBUF - ORD
1 stop4h 21mUnited Airlines
Thu 5/309:20 pmORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 4/17$201
Sat 5/257:59 pmBUF - ORD
1 stop4h 21mUnited Airlines
Tue 5/289:20 pmORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 4/18$216
Sat 5/252:04 pmBUF - ORD
Nonstop1h 51mUnited Airlines
Tue 5/2810:35 amORD - BUF
Nonstop1h 46mUnited Airlines
Deal found 4/18$219
Sat 6/17:00 amBUF - ORD
Nonstop1h 51mUnited Airlines
Sat 6/19:20 pmORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 4/18$222
Wed 5/227:59 pmBUF - ORD
1 stop4h 31mUnited Airlines
Mon 5/276:57 pmORD - BUF
Nonstop1h 50mUnited Airlines
Deal found 4/18$232
Sat 5/185:55 pmBUF - ORD
Nonstop1h 54mUnited Airlines
Tue 5/216:20 pmORD - BUF
Nonstop1h 41mUnited Airlines
Deal found 4/19$238
Wed 5/226:00 pmBUF - ORD
Nonstop1h 54mUnited Airlines
Mon 5/276:57 pmORD - BUF
Nonstop1h 50mUnited Airlines
Deal found 4/18$239
Fri 5/105:55 pmBUF - ORD
Nonstop1h 54mUnited Airlines
Mon 5/136:20 pmORD - BUF
Nonstop1h 41mUnited Airlines
Deal found 4/18$268
Cheap Buffalo to Illinois flights in April & May 2024
Find cheap flight options from Buffalo to Illinois specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,138,949 searches. Prices were last updated on April 19, 2024.
Listed are some of the best fares we've found on flights departing from Buffalo to Illinois in 2024. Check back soon for alternative fares.
Sat 5/48:38 pmBUF - STL
1 stop11h 35mFrontier
Mon 5/139:11 pmSTL - BUF
1 stop9h 35mFrontier
Deal found 4/17$122
Sat 5/255:51 pmBUF - ORD
Nonstop1h 52mUnited Airlines
Tue 5/289:20 pmORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 4/18$132
Wed 5/19:43 pmBUF - ORD
1 stop28h 13mFrontier
Tue 5/76:27 pmORD - BUF
1 stop25h 26mFrontier
Deal found 4/18$134
Mon 5/138:13 pmBUF - MDW
1 stop27h 51mFrontier
Thu 5/167:49 amMDW - BUF
1 stop22h 58mFrontier
Deal found 4/19$135
Sat 5/256:12 pmBUF - ORD
1 stop3h 43mDelta
Wed 5/2911:45 amORD - BUF
1 stop4h 12mDelta
Deal found 4/17$136
Thu 5/28:46 amBUF - MDW
1 stop9h 19mFrontier
Thu 5/910:53 pmMDW - BUF
1 stop10h 15mFrontier
Deal found 4/18$138
Sat 5/257:02 pmBUF - MDW
1 stop27h 52mFrontier
Wed 5/295:01 amMDW - BUF
1 stop15h 55mFrontier
Deal found 4/17$146
Sat 5/118:38 pmBUF - STL
1 stop11h 35mFrontier
Tue 5/144:50 pmSTL - BUF
1 stop27h 03mFrontier
Deal found 4/18$147
Mon 4/297:02 pmBUF - MDW
1 stop17h 36mFrontier
Mon 5/65:30 amMDW - BUF
1 stop11h 32mFrontier
Deal found 4/18$147
Buffalo to Illinois 2024 flight deals
Discover exclusive flight deals for travel between Buffalo and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,138,949 searches. Data last updated April 19, 2024.
Listed are some of the best fares we've found on flights departing from Buffalo to Illinois in 2024. Check back soon for alternative fares.
Tue 9/36:52 amBUF - ORD
Nonstop1h 48mAmerican Airlines
Tue 9/108:20 pmORD - BUF
Nonstop1h 32mAmerican Airlines
Deal found 4/18$97
Sat 8/314:57 pmBUF - ORD
Nonstop1h 48mAmerican Airlines
Thu 9/58:15 amORD - BUF
Nonstop1h 41mAmerican Airlines
Deal found 4/17$117
Sat 5/48:38 pmBUF - STL
1 stop11h 35mFrontier
Mon 5/139:11 pmSTL - BUF
1 stop9h 35mFrontier
Deal found 4/17$122
Tue 9/36:52 amBUF - ORD
Nonstop1h 48mAmerican Airlines
Tue 9/105:30 amORD - BUF
1 stop6h 31mAmerican Airlines
Deal found 4/18$130
Sat 5/255:51 pmBUF - ORD
Nonstop1h 52mUnited Airlines
Tue 5/289:20 pmORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 4/18$132
Wed 5/19:43 pmBUF - ORD
1 stop28h 13mFrontier
Tue 5/76:27 pmORD - BUF
1 stop25h 26mFrontier
Deal found 4/18$134
Mon 5/138:13 pmBUF - MDW
1 stop27h 51mFrontier
Thu 5/167:49 amMDW - BUF
1 stop22h 58mFrontier
Deal found 4/19$135
Sat 5/256:12 pmBUF - ORD
1 stop3h 43mDelta
Wed 5/2911:45 amORD - BUF
1 stop4h 12mDelta
Deal found 4/17$136
Thu 5/28:46 amBUF - MDW
1 stop9h 19mFrontier
Thu 5/910:53 pmMDW - BUF
1 stop10h 15mFrontier
Deal found 4/18$138
Non-stop flights to Illinois from Buffalo
Discover non-stop flight options from Buffalo to Illinois. 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 3,138,949 searches. Data last updated April 19, 2024.
For a quicker trip, book one of these direct flights from Buffalo to Illinois. Users can also choose from other Buffalo to Illinois flights by using the search form above.
Tue 9/36:52 amBUF - ORD
Nonstop1h 48mAmerican Airlines
Tue 9/108:20 pmORD - BUF
Nonstop1h 32mAmerican Airlines
Deal found 4/18$97
Sat 8/314:57 pmBUF - ORD
Nonstop1h 48mAmerican Airlines
Thu 9/58:15 amORD - BUF
Nonstop1h 41mAmerican Airlines
Deal found 4/17$117
Sat 5/255:51 pmBUF - ORD
Nonstop1h 52mUnited Airlines
Tue 5/289:20 pmORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 4/18$132
Thu 8/811:55 amBUF - ORD
Nonstop1h 50mAmerican Airlines
Mon 8/128:20 pmORD - BUF
Nonstop1h 32mAmerican Airlines
Deal found 4/18$162
Wed 5/294:55 pmBUF - ORD
Nonstop1h 52mAmerican Airlines
Sat 6/16:18 pmORD - BUF
Nonstop1h 36mAmerican Airlines
Deal found 4/18$168
Thu 8/295:50 pmBUF - ORD
Nonstop1h 48mUnited Airlines
Wed 9/47:22 amORD - BUF
Nonstop1h 44mUnited Airlines
Deal found 4/17$177
Thu 7/48:00 amBUF - ORD
Nonstop1h 50mAmerican Airlines
Tue 7/98:25 pmORD - BUF
Nonstop1h 34mAmerican Airlines
Deal found 4/18$179
Wed 5/294:55 pmBUF - ORD
Nonstop1h 52mAmerican Airlines
Fri 5/311:39 pmORD - BUF
Nonstop1h 35mAmerican Airlines
Deal found 4/18$187
Sat 5/257:00 amBUF - ORD
Nonstop1h 51mUnited Airlines
Thu 5/302:06 pmORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 4/17$192
Buffalo to Illinois flights leaving soon
Find last-minute flight options from Buffalo to Illinois 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 3,138,949 searches. Data last updated April 19, 2024.
Have a look at some of the last-minute flights available departing from Buffalo to Illinois. Users should be sure to double check the price, date, and time of their last-minute flight.
Mon 4/297:02 pmBUF - MDW
1 stop17h 36mFrontier
Mon 5/65:30 amMDW - BUF
1 stop11h 32mFrontier
Deal found 4/18$147
Sat 4/2710:15 amBUF - MDW
1 stop5h 24mFrontier
Sat 4/278:17 pmMDW - BUF
1 stop10h 29mFrontier
Deal found 4/18$157
Mon 4/297:02 pmBUF - MDW
1 stop17h 36mFrontier
Tue 5/710:55 pmMDW - BUF
1 stop20h 58mFrontier
Deal found 4/18$174
Fri 4/2611:08 amBUF - ORD
1 stop14h 48mFrontier
Sat 4/278:25 amORD - BUF
1 stop10h 13mFrontier
Deal found 4/17$185
Mon 4/298:45 amBUF - ORD
1 stop15h 58mFrontier
Mon 5/68:25 amORD - BUF
1 stop22h 21mFrontier
Deal found 4/18$217
Wed 4/249:43 pmBUF - MDW
1 stop11h 53mFrontier
Mon 4/295:30 amMDW - BUF
1 stop11h 32mFrontier
Deal found 4/18$219
Fri 4/268:46 amBUF - MDW
1 stop14h 45mFrontier
Sat 4/278:17 pmMDW - BUF
1 stop10h 29mFrontier
Deal found 4/17$226
Fri 4/268:46 amBUF - MDW
1 stop14h 45mFrontier
Sat 4/278:17 pmMDW - BUF
1 stop10h 29mFrontier
Deal found 4/19$237
Fri 4/268:46 amBUF - ORD
1 stop15h 57mFrontier
Sat 4/278:25 amORD - BUF
1 stop22h 21mFrontier
Deal found 4/19$257
One-way flights to Illinois from Buffalo
Search for one-way flight options from Buffalo to Illinois. 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 3,138,949 searches. Data last updated April 19, 2024.
Some of the best available deals we've found on one-way flights from Buffalo to Illinois. Users needing a return flight from Buffalo to Illinois should utilize the search form above.
Wed 5/225:47 pmBUF - MDW
1 stop14h 07mFrontier
Deal found 4/18$58
Sat 5/187:07 pmBUF - MDW
1 stop17h 02mFrontier
Deal found 4/18$59
Mon 5/138:13 pmBUF - MDW
1 stop27h 51mFrontier
Deal found 4/18$60
Wed 7/36:15 amBUF - MDW
1 stop3h 34mDelta
Deal found 4/18$68
Sun 5/198:25 pmBUF - MDW
1 stop22h 10mFrontier
Deal found 4/18$70
Sat 4/277:12 pmBUF - MDW
1 stop14h 19mFrontier
Deal found 4/18$74
Wed 4/249:43 pmBUF - MDW
1 stop11h 53mFrontier
Deal found 4/17$79
Thu 5/28:46 amBUF - MDW
1 stop9h 19mFrontier
Deal found 4/18$89
Fri 5/311:08 amBUF - ORD
1 stop14h 48mFrontier
Deal found 4/18$89
Find flights from Buffalo to Illinois within your budget
Customize your flight search to find flights from Buffalo to Illinois 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 3,138,949 searches. Data last updated April 19, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$122 - $322
Route
Depart
Return
Price
BuffaloLambert-St Louis
BUF - STL
BUFSTL
Buffalo
Sat 5/4
1 stop11h 35m
Lambert-St Louis
Mon 5/13
1 stop9h 35m
$122
BuffaloChicago Midway
BUF - MDW
BUFMDW
Buffalo
Thu 5/2
1 stop9h 19m
Chicago Midway
Thu 5/9
1 stop10h 15m
$138
BuffaloChicago Midway
BUF - MDW
BUFMDW
Buffalo
Sat 5/25
1 stop27h 52m
Chicago Midway
Wed 5/29
1 stop15h 55m
$146
BuffaloChicago O'Hare Intl
BUF - ORD
BUFORD
Buffalo
Thu 7/4
Nonstop1h 50m
Chicago O'Hare Intl
Tue 7/9
Nonstop1h 34m
$179
BuffaloChicago O'Hare Intl
BUF - ORD
BUFORD
Buffalo
Sat 5/25
Nonstop1h 51m
Chicago O'Hare Intl
Thu 5/30
Nonstop1h 39m
$192
BuffaloChicago Midway
BUF - MDW
BUFMDW
Buffalo
Sat 6/1
1 stop5h 11m
Chicago Midway
Sat 6/1
1 stop4h 12m
$197
BuffaloChicago O'Hare Intl
BUF - ORD
BUFORD
Buffalo
Thu 6/13
1 stop6h 55m
Chicago O'Hare Intl
Sun 6/16
1 stop4h 39m
$260
BuffaloChicago O'Hare Intl
BUF - ORD
BUFORD
Buffalo
Sun 5/26
1 stop5h 21m
Chicago O'Hare Intl
Wed 5/29
1 stop5h 40m
$306
BuffaloChicago O'Hare Intl
BUF - ORD
BUFORD
Buffalo
Thu 7/18
1 stop8h 10m
Chicago O'Hare Intl
Mon 7/22
1 stop25h 01m
$322
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated April 19, 2024.
Get a feel of what it's like to fly with American Airlines, United Airlines and JetBlue from Buffalo to Illinois by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
11,094 reviews
Comfort
7.9
Entertainment
8.0
Food
7.5
Overall
8.1
Boarding
8.2
Crew
8.6
Reviews
1 / 10
In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.
11,094 reviews
11,094 reviews
Comfort
7.9
Entertainment
8.0
Food
7.5
Overall
8.1
Boarding
8.2
Crew
8.6
Reviews
1 / 10
In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.
4,671 reviews
11,094 reviews
Comfort
7.9
Entertainment
8.0
Food
7.5
Overall
8.1
Boarding
8.2
Crew
8.6
Reviews
1 / 10
In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.
3,004 reviews
11,094 reviews
Comfort
7.9
Entertainment
8.0
Food
7.5
Overall
8.1
Boarding
8.2
Crew
8.6
Reviews
1 / 10
In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.
11,325 reviews
11,094 reviews
Comfort
7.9
Entertainment
8.0
Food
7.5
Overall
8.1
Boarding
8.2
Crew
8.6
Reviews
1 / 10
In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.
14,955 reviews
11,094 reviews
Comfort
7.9
Entertainment
8.0
Food
7.5
Overall
8.1
Boarding
8.2
Crew
8.6
Reviews
1 / 10
In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Buffalo to IllinoisSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Buffalo to Illinois
Discover the top 3 airlines that operate flights from Buffalo to Illinois. 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 3,138,949 searches. Data last updated April 19, 2024.
Search flights from Buffalo to Illinois by cabin class
Find flights from Buffalo to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from Buffalo to Illinois
Find hourly flight availability from Buffalo to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 19, 2024.
| 1%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 60%of flight departures | Morning6 am to noon |
| 38%of flight departures | AfternoonNoon to 6 pm |
| 1%of flight departures | Evening6 pm to midnight |
Midnight
6 AM
Noon
6 PM
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Buffalo to Illinois?
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Why should you use Cheapflights to find cheap flight tickets from Buffalo to Illinois?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Buffalo to Illinois.
Can Cheapflights find flights from Buffalo to Illinois with no change fees?
Need flexible booking options for your flight to Illinois from Buffalo? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
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Of course! You can now track prices for flights from Buffalo to Illinois and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.