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Cheapest one-way flights from San Francisco (SFO) to Prague (PRG), September

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Dates, airline, and price
Dates	Airline	Price
12 Sep	Frontier Airlines
07 Sep	Frontier Airlines
19 Sep	Frontier Airlines
06 Sep	Air Canada
26 Sep	KLM
04 Sep	Frontier Airlines
10 Sep	WestJet

deals for return flights from San Francisco to Prague in September.

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Updated Jul 3, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from San Francisco (SFO) to Prague (PRG), September

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