
Popular airlines to Earth City
- American Airlines
American Airlines
- Delta
Delta
- United
United
- Southwest Airlines
Southwest Airlines
- Frontier Airlines
Frontier Airlines
- Alaska Airlines
Alaska Airlines
- Air Canada
Air Canada
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 35% on select hotels after you book a flight*
Cheap round-trip flights to Earth City
Prices were available within the past 7 days and start at HK$691 for one-way flights and HK$1,381 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, 23 Jan - Tue, 3 Feb
SEA
Seattle
STL
St. Louis
HK$1,381 Return, found 6 days ago
HK$1,381
Return
found 6 days ago

Tue, 20 Jan - Wed, 4 Feb
SEA
Seattle
STL
St. Louis
HK$1,692 Return, found 6 days ago
HK$1,692
Return
found 6 days ago

Fri, 23 Jan - Fri, 6 Feb
SEA
Seattle
STL
St. Louis
HK$1,898 Return, found 6 days ago
HK$1,898
Return
found 6 days ago

Fri, 23 Jan - Fri, 6 Feb
SEA
Seattle
STL
St. Louis
HK$2,403 Return, found 6 days ago
HK$2,403
Return
found 6 days ago

Tue, 14 Apr - Sun, 19 Apr
HKG
Hong Kong SAR
STL
St. Louis
HK$7,185 Return, found 2 days ago
HK$7,185
Return
found 2 days ago
Find the cheapest month to fly from Columbus (CMH) to St. Louis (STL)
October is typically the cheapest month to fly
From HK$1,067 - HK$3,492 per traveller.
Frequently asked questions
Travel information
Destination airport | Lambert-St. Louis Intl. |
|---|---|
Destination airport IATA code | STL |
Destination city name | St. Louis |
Return price | HK$1,381 |
Trending flights to Earth City
Prices were available within the past 7 days and start at HK$691 for one-way flights and HK$1,381 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, 14 Apr - Sun, 19 Apr
HKG
Hong Kong SAR
STL
St. Louis
HK$7,185 Return, found 2 days ago
HK$7,185
Return
found 2 days ago
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