$231 Find Cheap Flights from Seattle to Petersburg - Compare and Save

In the last 5 days, the lowest price for a flight from Seattle to Petersburg was $231 for a one-way ticket and $461 for a round-trip.

Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

Only Alaska Airlines offers inflight Wi-Fi service on the Seattle to Petersburg flight route.

The Boeing 737-700 Passenger/BBJ1 (winglets) is the aircraft model that flies most regularly on the Seattle to Petersburg flight route.

oneworld is the only airline alliance operating flights between Seattle and Petersburg.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Petersburg.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Petersburg from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Petersburg with an airline and back to Seattle with another airline. Booking your flights between Seattle and PSG can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Petersburg from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.