Cheap Flights to Waterloo from HK$4,523

View HK$4,523 flight on Thu, 4 Sep 2025Opens in a new window

Popular airlines to Waterloo

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Cheap round-trip flights to Waterloo

Prices were available within the past 7 days and start at HK$4,523 for one-way flights and HK$7,545 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Thu, 4 Sep - Wed, 10 Sep
HKG
Hong Kong SAR
STL
St. Louis
HK$7,545 Return, found 6 days ago
HK$7,545
Return
found 6 days ago
Select EVA Airways flight, departing Thu, 4 Sep from Hong Kong SAR to St. Louis, returning Wed, 10 Sep, priced at HK$7,545 found 6 days ago
Asiana Airlines
Thu, 4 Sep - Wed, 10 Sep
HKG
Hong Kong SAR
STL
St. Louis
HK$7,725 Return, found 6 days ago
HK$7,725
Return
found 6 days ago
Select Asiana Airlines flight, departing Thu, 4 Sep from Hong Kong SAR to St. Louis, returning Wed, 10 Sep, priced at HK$7,725 found 6 days ago
Austrian Airlines
Fri, 3 Oct - Tue, 14 Oct
TGD
Podgorica
STL
St. Louis
HK$7,766 Return, found 1 day ago
HK$7,766
Return
found 1 day ago
Select Austrian Airlines flight, departing Fri, 3 Oct from Podgorica to St. Louis, returning Tue, 14 Oct, priced at HK$7,766 found 1 day ago
Cathay Pacific
Tue, 24 Jun - Tue, 1 Jul
HKG
Hong Kong SAR
STL
St. Louis
HK$10,643 Return, found 3 days ago
HK$10,643
Return
found 3 days ago
Select Cathay Pacific flight, departing Tue, 24 Jun from Hong Kong SAR to St. Louis, returning Tue, 1 Jul, priced at HK$10,643 found 3 days ago
Turkish Airlines
Fri, 3 Oct - Tue, 14 Oct
TGD
Podgorica
STL
St. Louis
HK$10,650 Return, found 1 day ago
HK$10,650
Return
found 1 day ago
Select Turkish Airlines flight, departing Fri, 3 Oct from Podgorica to St. Louis, returning Tue, 14 Oct, priced at HK$10,650 found 1 day ago

Find the cheapest month to fly from Columbus (CMH) to St. Louis (STL)

August is typically the cheapest month to fly

From HK$1,368 - HK$5,558 per traveller.

Graph displaying average flight prices per month

Flights to Waterloo information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Destination city name
St. Louis
Return price
HK$7,545

Trending flights to Waterloo

Prices were available within the past 7 days and start at HK$4,523 for one-way flights and HK$7,545 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Thu, 4 Sep - Wed, 10 Sep
HKG
Hong Kong SAR
STL
St. Louis
HK$7,545 Return, found 6 days ago
HK$7,545
Return
found 6 days ago
Select EVA Airways flight, departing Thu, 4 Sep from Hong Kong SAR to St. Louis, returning Wed, 10 Sep, priced at HK$7,545 found 6 days ago
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