$125+ Cheap flights from O'Hare Intl (ORD) to Buffalo (BUF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUF
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Buffalo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago O'Hare Intl to Buffalo are usually found in January or February, booked 83 days in advance, depart on a Saturday or Wednesday and return on a Saturday
Cheap flight deals from O'Hare Intl to Buffalo
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to BuffaloExplore the most affordable flight options available from O'Hare Intl to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
Explore the most affordable flight options available from O'Hare Intl to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
This CheapOair deal was found by Cheapflights users on 9/6. 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.
Sat 11/215:12 pm -
1 stop26h 12m
Mon 11/239:20 pm -
1 stop28h 22m
Deal found 9/6![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:20 am -
1 stop5h 35m
Fri 10/92:44 pm -
1 stop21h 48m
Deal found 9/3![Frontier logo]()
$245
This Priceline deal was found by Cheapflights users on 9/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop5h 59m
Fri 10/161:44 pm -
1 stop5h 47m
Deal found 9/3![Frontier logo]()
$255
This Super.com deal was found by Cheapflights users on 9/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:50 pm -
1 stop24h 59m
Sat 10/101:44 pm -
1 stop5h 47m
Deal found 9/5![Frontier logo]()
$261
This CheapOair deal was found by Cheapflights users on 9/6. 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 12/176:15 am -
1 stop11h 31m
Mon 12/215:42 pm -
1 stop17h 06m
Deal found 9/6![Frontier logo]()
$268
This Priceline deal was found by Cheapflights users on 9/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:20 am -
1 stop5h 35m
Sat 9/191:40 pm -
1 stop5h 43m
Deal found 9/3![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:01 pm -
2 stops15h 58m
Wed 10/211:44 pm -
1 stop20h 37m
Deal found 9/3![Frontier logo]()
$271
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:20 am -
1 stop5h 30m
Sun 10/412:49 pm -
1 stop11h 10m
Deal found 9/7![Frontier logo]()
$275
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Wed 9/306:00 pm -
Nonstop1h 47m
Wed 10/75:45 pm -
Nonstop2h 02m
Deal found 9/7![United Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 10/88:03 am -
Nonstop1h 50m
Mon 10/125:50 pm -
Nonstop2h 10m
Deal found 9/8![American Airlines logo]()
$278
This Super.com deal was found by Cheapflights users on 9/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:26 am -
1 stop8h 26m
Sat 10/171:44 pm -
1 stop5h 47m
Deal found 9/6![Frontier logo]()
$279
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
1 stop5h 59m
Mon 10/121:44 pm -
1 stop22h 48m
Deal found 9/3![Frontier logo]()
$281
Best flights from O'Hare Intl to BuffaloDiscover carefully curated flight deals from O'Hare Intl to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from O'Hare Intl to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 10/86:00 pm -
Nonstop1h 47m
Mon 10/1210:46 am -
Nonstop1h 59m
Deal found 9/7![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/7. 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 10/87:30 pm -
1 stop3h 29m
Mon 10/123:53 pm -
1 stop3h 36m
Deal found 9/7![Delta logo]()
$381
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 10/56:50 am -
Nonstop1h 39m
Sat 10/105:45 pm -
Nonstop2h 02m
Deal found 9/5![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 9/306:50 am -
Nonstop1h 39m
Sat 10/35:45 pm -
Nonstop2h 02m
Deal found 9/6![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 10/95:29 pm -
1 stop5h 30m
Sun 10/113:53 pm -
1 stop5h 37m
Deal found 9/6![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:00 pm -
Nonstop1h 43m
Sun 10/117:00 am -
Nonstop2h 00m
Deal found 9/3![United Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am -
Nonstop1h 43m
Sun 9/2710:46 am -
Nonstop1h 59m
Deal found 9/3![United Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 9/256:50 am -
Nonstop1h 39m
Sun 9/2710:46 am -
Nonstop1h 59m
Deal found 9/2![United Airlines logo]()
$392
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Fri 11/274:40 pm -
1 stop5h 19m
Sun 11/296:30 am -
Nonstop2h 03m
Deal found 9/6![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Fri 9/256:56 pm -
Nonstop1h 47m
Mon 9/2810:46 am -
Nonstop1h 59m
Deal found 9/4![United Airlines logo]()
$432
Last-minute flights from O'Hare Intl to BuffaloDiscover last-minute flight deals from O'Hare Intl to Buffalo. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Buffalo. Data last updated September 8, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 9/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:20 am -
1 stop5h 35m
Sat 9/191:40 pm -
1 stop5h 43m
Deal found 9/3![Frontier logo]()
$270
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:50 pm -
1 stop24h 59m
Fri 9/251:40 pm -
1 stop5h 43m
Deal found 9/4![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:20 am -
1 stop5h 35m
Wed 10/71:40 pm -
2 stops18h 51m
Deal found 9/3![Frontier logo]()
$268
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Wed 9/306:00 pm -
Nonstop1h 47m
Wed 10/75:45 pm -
Nonstop2h 02m
Deal found 9/7![United Airlines logo]()
$277
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:20 am -
1 stop5h 30m
Sun 10/412:49 pm -
1 stop11h 10m
Deal found 9/7![Frontier logo]()
$275
This Super.com deal was found by Cheapflights users on 9/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:50 pm -
1 stop24h 59m
Sat 10/101:44 pm -
1 stop5h 47m
Deal found 9/5![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:20 am -
1 stop5h 35m
Fri 10/92:44 pm -
1 stop21h 48m
Deal found 9/3![Frontier logo]()
$245
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 10/88:03 am -
Nonstop1h 50m
Mon 10/125:50 pm -
Nonstop2h 10m
Deal found 9/8![American Airlines logo]()
$278
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
1 stop5h 59m
Mon 10/121:44 pm -
1 stop22h 48m
Deal found 9/3![Frontier logo]()
$281
This Priceline deal was found by Cheapflights users on 9/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop5h 59m
Fri 10/161:44 pm -
1 stop5h 47m
Deal found 9/3![Frontier logo]()
$255
This Super.com deal was found by Cheapflights users on 9/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:26 am -
1 stop8h 26m
Sat 10/171:44 pm -
1 stop5h 47m
Deal found 9/6![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:01 pm -
2 stops15h 58m
Wed 10/211:44 pm -
1 stop20h 37m
Deal found 9/3![Frontier logo]()
$271
One-way flights from O'Hare Intl to BuffaloSearch for one-way flight options from O'Hare Intl to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from O'Hare Intl to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Super.com deal was found by Cheapflights users on 9/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:50 pm -
1 stop24h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 9/5. 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 12/56:15 am -
1 stop11h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:28 pm -
1 stop16h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 9/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:50 pm -
1 stop24h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$134
This Priceline deal was found by Cheapflights users on 9/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:15 am -
1 stop11h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$135
This Frontier deal was found by Cheapflights users on 9/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:10 am -
1 stop9h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:28 pm -
1 stop16h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$142
This Super.com deal was found by Cheapflights users on 9/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:20 am -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$149
This Priceline deal was found by Cheapflights users on 9/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:20 am -
1 stop5h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$150
Find flight deals from O'Hare Intl to Buffalo
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Buffalo (BUF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $244 (CheapOair) |
One-way from | $125 (Super.com) |
Popular in | April |
Cheapest in | January |
Average price | $349 |
Good round-trip deal | $288 or less |
Good one-way deal | $198 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl 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 7,457,451 searches. Data last updated September 8, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Thu 10/1
6:50 am-9:29 am
Nonstop1h 39m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$139
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Thu 10/1
5:10 pm-11:53 pm
1 stop5h 43m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Sat 10/3
6:00 pm-10:35 pm
1 stop3h 35m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$169
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Wed 3/3
7:00 am-11:44 am
1 stop3h 44m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$169
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Mon 10/5
5:10 pm-11:53 pm
1 stop5h 43m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Sat 11/7
2:00 pm-8:48 pm
1 stop5h 48m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Wed 11/4
8:36 am-5:28 pm
1 stop7h 52m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Tue 9/29
6:00 pm-8:47 pm
Nonstop1h 47m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$194
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Thu 10/8
7:30 pm-11:59 pm
1 stop3h 29m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$200
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Wed 12/2
6:00 am-1:29 pm
1 stop6h 29m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$200
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Buffalo
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Buffalo in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Buffalo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from O'Hare Intl to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from O'Hare Intl with our price prediction graph.
ORD-BUF
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.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to Buffalo
Prices
Airlines
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Buffalo?
The price you pay for your flight from Chicago O'Hare Intl Airport to Buffalo may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Buffalo?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Buffalo (average of $276). Flying from Chicago O'Hare Intl Airport to Buffalo in April is currently the most expensive (average of $531). 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 ORD to BUF?
Find hourly flight availability from O'Hare Intl 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 September 8, 2026.
It’s typically best to fly out from Chicago O'Hare Intl Airport to Buffalo at noon. Doing so could potentially save you 25% on the flight price compared to flying in the afternoon, which is usually more expensive.
What is the cheapest day to fly from Chicago O'Hare Intl Airport to Buffalo?
Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Buffalo. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Buffalo flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 September 8, 2026.
See what other customers who have flown with United Airlines,American Airlines, andJetBlue from Chicago O'Hare Intl Airport to Buffalo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Boarding
7.7
Food
6.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Boarding
7.7
Food
6.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Boarding
7.7
Food
6.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Boarding
7.7
Food
6.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsCheektowaga
Lockport
Amherst
Williamsville
Orchard Park
Eden
Bowmansville
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O'Hare Intl and Buffalo flights
Browse other O'Hare Intl and Buffalo flight options. Last updated on September 8, 2026.
Other flights from O'Hare Intl
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Top 3 airlines flying from O'Hare Intl to Buffalo
Discover the top 3 airlines that operate flights from O'Hare Intl 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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$254 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$400 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$240 | Average$350 | FlexibilityNo cancel fee | On-time71% |