Cheap American Airlines flights from Champaign to Buffalo (CMI to BUF)

Find The Best Day To Fly from Champaign to Buffalo

Amazing American Airlines CMI to BUF Flight Deals

The cheapest flights to Buffalo Niagara Intl. found within the past 7 days were $512 round trip and one way. Prices and availability subject to change. Additional terms may apply.

Tue, Jul 29 - Wed, Aug 6
CMI
Champaign
BUF
Buffalo
$512 Roundtrip, found 2 days ago
$512
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jul 29 from Champaign to Buffalo, returning Wed, Aug 6, priced at $512 found 2 days ago
Tue, Jul 29 - Tue, Aug 5
CMI
Champaign
BUF
Buffalo
$518 Roundtrip, found 2 days ago
$518
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jul 29 from Champaign to Buffalo, returning Tue, Aug 5, priced at $518 found 2 days ago
Wed, Jul 30 - Wed, Aug 6
CMI
Champaign
BUF
Buffalo
$523 Roundtrip, found 2 days ago
$523
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Jul 30 from Champaign to Buffalo, returning Wed, Aug 6, priced at $523 found 2 days ago
Wed, Jul 30 - Tue, Aug 5
CMI
Champaign
BUF
Buffalo
$528 Roundtrip, found 2 days ago
$528
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Jul 30 from Champaign to Buffalo, returning Tue, Aug 5, priced at $528 found 2 days ago
Tue, Jul 29 - Fri, Aug 8
CMI
Champaign
BUF
Buffalo
$528 Roundtrip, found 2 days ago
$528
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jul 29 from Champaign to Buffalo, returning Fri, Aug 8, priced at $528 found 2 days ago
Wed, Jul 30 - Fri, Aug 8
CMI
Champaign
BUF
Buffalo
$539 Roundtrip, found 2 days ago
$539
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Jul 30 from Champaign to Buffalo, returning Fri, Aug 8, priced at $539 found 2 days ago
Tue, Jul 29 - Sat, Aug 2
CMI
Champaign
BUF
Buffalo
$547 Roundtrip, found 2 days ago
$547
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jul 29 from Champaign to Buffalo, returning Sat, Aug 2, priced at $547 found 2 days ago
Tue, Jul 29 - Mon, Aug 4
CMI
Champaign
BUF
Buffalo
$556 Roundtrip, found 2 days ago
$556
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jul 29 from Champaign to Buffalo, returning Mon, Aug 4, priced at $556 found 2 days ago
Wed, Jul 30 - Sat, Aug 2
CMI
Champaign
BUF
Buffalo
$558 Roundtrip, found 2 days ago
$558
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Jul 30 from Champaign to Buffalo, returning Sat, Aug 2, priced at $558 found 2 days ago
Fri, Aug 1 - Wed, Aug 6
CMI
Champaign
BUF
Buffalo
$559 Roundtrip, found 2 days ago
$559
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 1 from Champaign to Buffalo, returning Wed, Aug 6, priced at $559 found 2 days ago
Mon, Jul 28 - Wed, Aug 6
CMI
Champaign
BUF
Buffalo
$561 Roundtrip, found 2 days ago
$561
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Jul 28 from Champaign to Buffalo, returning Wed, Aug 6, priced at $561 found 2 days ago
Fri, Aug 1 - Tue, Aug 5
CMI
Champaign
BUF
Buffalo
$565 Roundtrip, found 2 days ago
$565
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 1 from Champaign to Buffalo, returning Tue, Aug 5, priced at $565 found 2 days ago
American Airlines Airports
Hop on a(n) American Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
DFWUSADallas-Fort Worth Intl.599
CLTUSACharlotte-Douglas Intl.536
ORDUSAO'Hare Intl.317
PHLUSAPhiladelphia Intl.247
MIAUSAMiami Intl.193
DCAUSARonald Reagan Washington National152
PHXUSASky Harbor Intl.141
LAXUSALos Angeles Intl.81
LGAUSALaGuardia72
BOSUSALogan Intl.57

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Buffalo Airport Hotel

3 out of 5
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This hotel features a restaurant, a 24-hour gym, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
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Buffalo Airport Hotel
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2.5 out of 5
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Reviewed on Jul 13, 2025

Extended Stay America Suites - Buffalo - Airport
Fairfield Inn & Suites by Marriott Buffalo Airport

Fairfield Inn & Suites by Marriott Buffalo Airport

2.5 out of 5
4271 Genesee Street, Buffalo, NY
This hotel features an indoor pool and a 24-hour gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and free ...
8.6/10 Excellent! (1,012 reviews)
"Love it here!"

Reviewed on Jul 14, 2025

Fairfield Inn & Suites by Marriott Buffalo Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.