Cheap Flights from Chicago to Great Lakes Seaway: CHI→BUF from HK$779

View HK$779 flight on Sat, 11 Oct 2025Opens in a new window

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  • American Airlines

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  • United

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Find Cheap Flights from Chicago (CHI) to Great Lakes Seaway (BUF)

Prices were available within the past 7 days and start at HK$779 for one-way flights and HK$1,803 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 11 Oct - Sun, 19 Oct
ORD
Chicago
BUF
Buffalo
HK$1,803 Return, found 6 days ago
HK$1,803
Return
found 6 days ago
Select Delta flight, departing Sat, 11 Oct from Chicago to Buffalo, returning Sun, 19 Oct, priced at HK$1,803 found 6 days ago
United
Sat, 11 Oct - Sun, 19 Oct
ORD
Chicago
BUF
Buffalo
HK$1,952 Return, found 6 days ago
HK$1,952
Return
found 6 days ago
Select United flight, departing Sat, 11 Oct from Chicago to Buffalo, returning Sun, 19 Oct, priced at HK$1,952 found 6 days ago
Delta
Sat, 11 Oct - Sun, 19 Oct
ORD
Chicago
BUF
Buffalo
HK$1,955 Return, found 6 days ago
HK$1,955
Return
found 6 days ago
Select Delta flight, departing Sat, 11 Oct from Chicago to Buffalo, returning Sun, 19 Oct, priced at HK$1,955 found 6 days ago
American Airlines
Sat, 11 Oct - Sun, 19 Oct
ORD
Chicago
BUF
Buffalo
HK$1,962 Return, found 6 days ago
HK$1,962
Return
found 6 days ago
Select American Airlines flight, departing Sat, 11 Oct from Chicago to Buffalo, returning Sun, 19 Oct, priced at HK$1,962 found 6 days ago
American Airlines
Sun, 7 Sep - Sun, 14 Sep
ORD
Chicago
BUF
Buffalo
HK$2,038 Return, found 1 day ago
HK$2,038
Return
found 1 day ago
Select American Airlines flight, departing Sun, 7 Sep from Chicago to Buffalo, returning Sun, 14 Sep, priced at HK$2,038 found 1 day ago
United
Sun, 7 Sep - Sun, 14 Sep
ORD
Chicago
BUF
Buffalo
HK$2,048 Return, found 1 day ago
HK$2,048
Return
found 1 day ago
Select United flight, departing Sun, 7 Sep from Chicago to Buffalo, returning Sun, 14 Sep, priced at HK$2,048 found 1 day ago

Find the cheapest month to fly from Chicago (CHI) to Buffalo (BUF)

August is typically the cheapest month to fly

From HK$870 - HK$2,896 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.