Photo by Krystyna Fedrizzi

Popular airlines to St. Charles
- American Airlines
American Airlines
- United
United
- Delta
Delta
- Frontier Airlines
Frontier Airlines
- Spirit Airlines
Spirit Airlines
- Southwest Airlines
Southwest Airlines
- Alaska Airlines
Alaska Airlines
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 45% on select hotels after you book a flight*
How much is the cheapest flight to St. Charles?
Prices were available within the past 7 days and start at NT$2,773 for one-way flights and NT$5,533 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jan 12 - Tue, Jan 13
SEA
Seattle
ORD
Chicago
NT$5,533 Roundtrip, found 3 days ago
NT$5,533
Roundtrip
found 3 days ago

Tue, Feb 3 - Tue, Feb 24
SEA
Seattle
ORD
Chicago
NT$5,545 Roundtrip, found 2 days ago
NT$5,545
Roundtrip
found 2 days ago

Fri, Jan 16 - Sun, Jan 18
SEA
Seattle
ORD
Chicago
NT$6,347 Roundtrip, found 6 days ago
NT$6,347
Roundtrip
found 6 days ago

Tue, Feb 3 - Tue, Feb 24
SEA
Seattle
ORD
Chicago
NT$8,364 Roundtrip, found 2 days ago
NT$8,364
Roundtrip
found 2 days ago

Tue, Jan 6 - Thu, Jan 8
YVR
Vancouver
ORD
Chicago
NT$13,103 Roundtrip, found 3 days ago
NT$13,103
Roundtrip
found 3 days ago
Frequently asked questions
Destination airport | O'Hare Intl. |
|---|---|
Destination airport IATA code | ORD |
Destination city name | Chicago |
Roundtrip price | NT$5,357 |
Get up to 100% off your flight to St. Charles when booking a Flight + Hotel
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Trending flights to St. Charles
Prices were available within the past 7 days and start at NT$2,773 for one-way flights and NT$5,533 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 7 - Tue, Apr 7
TPE
Taipei
ORD
Chicago
NT$21,848 Roundtrip, found 1 day ago
NT$21,848
Roundtrip
found 1 day ago
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From Other Airports to St. Charles
- Shanghai to Chicago (PVG - ORD)
- Newark Liberty Intl. Airport to Chicago (EWR - ORD)
- Taipei to Chicago (TSA - ORD)
- Miami to Chicago (MIA - ORD)
- Fort Lauderdale to Chicago (FLL - ORD)
- New York to Chicago (LGA - ORD)
- Taipei to Chicago (TPE - ORD)
- Spokane to Chicago (GEG - ORD)
- Kaohsiung to Chicago (KHH - ORD)
- Seattle to Chicago (SEA - ORD)
Flights to Cities Near St. Charles
Airlines Operating
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