American AirlinesDepart18:44
Sat, Dec 12STL → CGO
21h 30m · 2 stops
$514one way, per person
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- Cheapest fare
- $514
- Cheapest month
- December
- Direct flights
- Not recently
- Quickest trip
- 21h 30m
American Airlines · Sat, Dec 12
from $514
Usually 1+ stop
11,490 km
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Cheapest month to fly from St Louis to Zhengzhou
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
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Getting around
About flights from St Louis to Zhengzhou
St Louis (STL) and Zhengzhou (CGO) are about 11,490 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 21h 30m. Over the next few months, one-way fares start from $514, and December 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from St Louis to Zhengzhou?
The cheapest one-way fare we've seen recently is $514 with American Airlines, departing Saturday, December 12, 2026.
What is the cheapest month to fly from St Louis to Zhengzhou?
December 2026 currently has the lowest fares, from $514 one way.
Are there direct flights from St Louis to Zhengzhou?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from St Louis to Zhengzhou?
The quickest journey we've seen takes about 21h 30m. St Louis and Zhengzhou are around 11,490 km apart.
Which airlines fly from St Louis to Zhengzhou?
Recent fares on this route were with American Airlines.
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