Cheap Flights from Seattle to Petersburg starting at S$ 281

We've found these cheap flights for you. You can book one-way or return flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from Seattle to Petersburg

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

16 23
23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When to buy flight tickets from Seattle (SEA) to Petersburg (PSG) the cheapest?

Airlines adjust prices for flights from Seattle to Petersburg based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Seattle (SEA) to Petersburg (PSG) cost?

According to Trip.com's data, the lowest price is around S$ 908.
How long is a flight from Seattle (SEA) to Petersburg (PSG)?

It takes about 4 hours 44 minutes to fly from Seattle (SEA) to Petersburg (PSG).
What is the transportation method from the main airport to downtown in Petersburg?
- The distance from Petersburg James A. Johnson Airport to downtown is about 1km, by taxi about 20 minutes.
What are the most popular airlines that fly from Seattle (SEA) to Petersburg (PSG)?

Airlines with flights from Seattle (SEA) to Petersburg (PSG): Alaska Airlines.
What's the most popular airline for direct flights from Seattle (SEA) to Petersburg (PSG)?

Alaska Airlines operates 1 direct flights from Seattle (SEA) to Petersburg (PSG).
How many airports in Petersburg?

There are 1 airports near Petersburg: Petersburg James A. Johnson Airport.

How to find a cheap flight from Seattle to Petersburg

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Petersburg. Book your flights at the right time and save more.

Choose your dates flexibly and get the best deals on flights from Seattle to Petersburg.

Tap 'Date' on the flight search bar to browse the calendar for Seattle to Petersburg airfare over the next 6 months in 2025. If you're looking to fly within the next 3 months, the cheapest date seems to be Thu, Apr 17, with one-way flights starting at S$ 281.

Compare cheap flight deals from hundreds of airlines for Seattle to Petersburg flights.

Our extensive search lets you compare prices from over 500 airlines to find the cheapest flights from Seattle to Petersburg. The cheapest flight at the moment is with Alaska Airlines.

Set up a Price Alert

Set up a Price Alert for your Seattle to Petersburg flights and track ticket prices easily—no need for daily checks.

Don't miss out on cheap deals and promo codes for Seattle to Petersburg flights.

You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership for more exclusive flight deals.

Book early or wait for last-minute deals.

It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.

Search for flights on the go.

For the best flight booking experience on the go, download Trip.com and search for cheap flights from Seattle to Petersburg to get your exclusive deals.

Find cheapest flight ticket from Seattle to Petersburg

Cheapest one-way flight price	S$ 280
Cheapest return ticket price	S$ 528
Off-season for travel	February
Peak season for travel	May
Flight distance	1,265.48km
Average flight time	4 hours 44 minutes
Popular airline	Alaska Airlines