Cheapest one-way SEA–PRG flights, September

AirHint found the following cheapest one-way flights from Seattle (SEA) to Prague (PRG) in September 2026 (see full year).

One-Way flights

09 Sep Icelandair
08 Sep Icelandair
01 Sep British Airways
06 Sep British Airways
02 Sep British Airways
05 Sep American Airlines
07 Sep American Airlines
16 Sep British Airways
20 Sep British Airways
21 Sep American Airlines

Also check the deals for return flights from Seattle to Prague in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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