$104+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUF
Nov 25 — Dec 21
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
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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 Wednesday
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 October 26, 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 October 26, 2026.
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/192:10 pm -
1 stop7h 26m
Wed 12/235:50 pm -
1 stop3h 28m
Deal found 10/21![Delta logo]()
$283
This Frontier deal was found by Cheapflights users on 10/21. 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.
Thu 11/57:50 pm -
1 stop10h 17m
Mon 11/91:48 pm -
1 stop5h 57m
Deal found 10/21![Frontier logo]()
$291
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:40 am -
1 stop13h 44m
Wed 12/21:15 pm -
2 stops12h 44m
Deal found 10/22![Frontier logo]()
$294
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
2 stops28h 19m
Wed 12/91:15 pm -
2 stops19h 56m
Deal found 10/21![Frontier logo]()
$295
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:12 pm -
1 stop18h 16m
Sun 11/299:20 pm -
1 stop28h 23m
Deal found 10/21![Frontier logo]()
$297
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/138:00 am -
Nonstop1h 48m
Mon 11/1611:26 am -
Nonstop2h 14m
Deal found 10/21![American Airlines logo]()
$300
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:40 am -
1 stop13h 44m
Wed 11/259:20 pm -
2 stops26h 58m
Deal found 10/21![Frontier logo]()
$307
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/268:15 am -
Nonstop1h 45m
Fri 11/277:00 am -
1 stop8h 22m
Deal found 10/22![American Airlines logo]()
$308
This Frontier deal was found by Cheapflights users on 10/25. 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.
Tue 12/225:01 am -
1 stop11h 39m
Wed 12/304:41 pm -
1 stop7h 12m
Deal found 10/25![Frontier logo]()
$309
This Frontier deal was found by Cheapflights users on 10/21. 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.
Sun 11/89:51 am -
1 stop7h 01m
Mon 11/91:48 pm -
1 stop5h 57m
Deal found 10/21![Frontier logo]()
$311
This Kissandfly.com deal was found by Cheapflights users on 10/25. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:17 pm -
Nonstop1h 43m
Mon 11/239:20 pm -
1 stop19h 32m
Deal found 10/25![Frontier logo]()
$312
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 October 26, 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 October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/135:51 pm -
Nonstop1h 45m
Sun 11/155:58 pm -
Nonstop2h 04m
Deal found 10/21![United Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 10/25. 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.
Sun 12/205:55 pm -
1 stop5h 06m
Mon 12/285:52 pm -
1 stop3h 26m
Deal found 10/25![Delta logo]()
$437
This KAYAK deal was found by Cheapflights users on 10/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:05 am -
1 stop5h 21m
Thu 11/511:26 am -
Nonstop2h 14m
Deal found 10/21![American Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:59 pm -
Nonstop1h 52m
Sat 11/286:00 am -
Nonstop1h 59m
Deal found 10/25![United Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/202:18 pm -
Nonstop1h 44m
Fri 11/276:30 am -
Nonstop2h 03m
Deal found 10/22![United Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 10/22. 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.
Mon 11/235:05 pm -
1 stop5h 23m
Thu 11/2612:00 pm -
2 stops8h 05m
Deal found 10/22![Delta logo]()
$470
This United Airlines deal was found by Cheapflights users on 10/24. 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 12/185:55 pm -
Nonstop1h 40m
Tue 1/196:30 am -
Nonstop2h 22m
Deal found 10/24![United Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 10/24. 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 12/185:55 pm -
Nonstop1h 40m
Mon 12/215:35 pm -
Nonstop2h 19m
Deal found 10/24![United Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Tue 11/106:50 am -
Nonstop1h 52m
Fri 11/137:52 pm -
1 stop5h 09m
Deal found 10/23![United Airlines logo]()
$432
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/185:55 pm -
Nonstop1h 40m
Sun 12/206:30 am -
Nonstop2h 14m
Deal found 10/23![United Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 10/24. 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 12/2410:13 am -
Nonstop1h 50m
Sat 12/266:30 am -
Nonstop2h 22m
Deal found 10/24![United Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/255:51 pm -
Nonstop1h 45m
Mon 11/305:58 pm -
Nonstop2h 04m
Deal found 10/22![United Airlines logo]()
$488
Last-minute flights from O'Hare Intl to BuffaloDiscover last-minute flight deals from O'Hare Intl to Buffalo. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Buffalo. Data last updated October 26, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 10/21. 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.
Thu 11/57:50 pm -
1 stop10h 17m
Mon 11/91:48 pm -
1 stop5h 57m
Deal found 10/21![Frontier logo]()
$291
This Frontier deal was found by Cheapflights users on 10/21. 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.
Sun 11/89:51 am -
1 stop7h 01m
Mon 11/91:48 pm -
1 stop5h 57m
Deal found 10/21![Frontier logo]()
$311
This Delta deal was found by Cheapflights users on 10/21. 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.
Mon 11/97:15 pm -
1 stop3h 43m
Tue 11/1012:00 pm -
1 stop5h 18m
Deal found 10/21![Delta logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
Thu 11/127:50 pm -
1 stop16h 13m
Thu 11/1912:54 pm -
2 stops12h 19m
Deal found 10/24![Frontier logo]()
$315
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/133:19 pm -
Nonstop1h 46m
Sat 11/146:46 pm -
Nonstop2h 14m
Deal found 10/21![American Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/136:29 am -
1 stop7h 32m
Mon 11/1611:26 am -
Nonstop2h 14m
Deal found 10/21![American Airlines logo]()
$310
This Kissandfly.com deal was found by Cheapflights users on 10/25. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:17 pm -
Nonstop1h 43m
Mon 11/239:20 pm -
1 stop19h 32m
Deal found 10/25![Frontier logo]()
$312
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:40 am -
1 stop13h 44m
Wed 11/259:20 pm -
2 stops26h 58m
Deal found 10/21![Frontier logo]()
$307
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:12 pm -
1 stop26h 12m
Fri 11/2712:45 pm -
1 stop11h 33m
Deal found 10/25![Frontier logo]()
$318
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:12 pm -
1 stop18h 16m
Sun 11/299:20 pm -
1 stop28h 23m
Deal found 10/21![Frontier logo]()
$297
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/268:15 am -
Nonstop1h 45m
Fri 11/277:00 am -
1 stop8h 22m
Deal found 10/22![American Airlines logo]()
$308
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:40 am -
1 stop13h 44m
Wed 12/21:15 pm -
2 stops12h 44m
Deal found 10/22![Frontier logo]()
$294
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 October 26, 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 October 26, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/205:01 am -
1 stop14h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 12/13:55 pm -
1 stop19h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$115
This Cheapflightsfares deal was found by Cheapflights users on 10/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/215:58 am -
1 stop10h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$116
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:37 pm -
1 stop12h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$120
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/92:18 pm -
Nonstop1h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$126
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Mon 12/217:23 am -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![American Airlines logo]()
$131
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:45 am -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 10/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:40 am -
1 stop13h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 10/21. 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 12/177:10 am -
1 stop24h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$135
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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $283 (Delta) |
One-way from | $104 (Cheapflightsfares) |
Popular in | April |
Cheapest in | January |
Average price | $378 |
Good round-trip deal | $375 or less |
Good one-way deal | $170 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 October 26, 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
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Mon 11/9
2:18 pm-5:02 pm
Nonstop1h 44m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$126
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Wed 12/9
10:29 am-1:17 pm
Nonstop1h 48m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$132
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Sat 12/12
5:05 pm-10:48 pm
1 stop4h 43m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$141
Quickest round-trip
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Fri 12/18
5:55 pm-8:35 pm
Nonstop1h 40m
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 1/20
1:59 pm-4:51 pm
Nonstop1h 52m
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
Fri 12/18
1:45 pm-9:58 pm
1 stop7h 13m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$173
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Wed 10/28
2:18 pm-5:02 pm
Nonstop1h 44m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$249
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Tue 11/10
11:30 am-5:31 pm
1 stop5h 01m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$259
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Wed 10/28
8:29 am-3:13 pm
1 stop5h 44m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$261
ChicagoBuffalo
ORD Chicago O'Hare Intl - BUF Buffalo
ORDBUF
Chicago O'Hare Intl
Fri 11/13
5:51 pm-8:36 pm
Nonstop1h 45m
Buffalo
Sun 11/15
5:58 pm-7:02 pm
Nonstop2h 04m
$360
Showing 1-10 of 21 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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
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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 October 26, 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 October 24, 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. Tuesday evenings 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 October 26, 2026.
See what other customers who have flown with United Airlines,JetBlue, andAmerican Airlines 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.
Entertainment
7.1
Food
6.7
Crew
8.1
Overall
7.3
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Entertainment
7.1
Food
6.7
Crew
8.1
Overall
7.3
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Entertainment
7.1
Food
6.7
Crew
8.1
Overall
7.3
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Entertainment
7.1
Food
6.7
Crew
8.1
Overall
7.3
Boarding
7.7
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 October 26, 2026.
Other flights from O'Hare Intl
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on October 26, 2026.
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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 October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$254 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$240 | Average$365 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$244 | Average$409 | FlexibilityNo cancel fee | On-time69% |