SEA - PSG

$904 Find Cheap Flights from Seattle to Petersburg - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$904
Typical prices: $591-$695
Alaska Airlines
Wed 10/10Sun 10/14
SEA - PSG • Non-stop
When to travel
January
Cheapest • 38% price drop
July
Most popular
Good to know
+1
Good to know
+1
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Flight Deals

Cheap Flights from Seattle to Petersburg (SEA-PSG)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Petersburg

Sat, Oct 10 - Wed, Oct 14
Alaska Airlines Logo
7:08 am - 11:01 amSEA  Seattle/Tacoma Intl-PSG Petersburg
4h 53mnonstop
Alaska Airlines Logo
3:00 pm - 8:28 pmPSG  Petersburg-SEA Seattle/Tacoma Intl
4h 28mnonstop
$904Alaska Airlines
Sat, Oct 10 - Wed, Oct 14
Alaska Airlines Logo
7:08 am - 11:01 amSEA  Seattle/Tacoma Intl-PSG Petersburg
4h 53m2 stops Ketchikan Wrangell SPB
Alaska Airlines Logo
3:00 pm - 12:01 pmPSG  Petersburg-SEA Seattle/Tacoma Intl
20h 01m2 stops Wrangell SPB Ketchikan
$905Alaska Airlines
Sat, Oct 10 - Wed, Oct 14
Alaska Airlines Logo
6:34 pm - 11:01 amSEA  Seattle/Tacoma Intl-PSG Petersburg
17h 27m1 stop Ketchikan
Alaska Airlines Logo
11:45 am - 9:58 pmPSG  Petersburg-SEA Seattle/Tacoma Intl
9h 13m1 stop Juneau Intl
$911Alaska Airlines
Sat, Oct 10 - Wed, Oct 14
Alaska Airlines Logo
7:08 am - 11:01 amSEA  Seattle/Tacoma Intl-PSG Petersburg
4h 53mnonstop
Alaska Airlines Logo
11:45 am - 9:58 pmPSG  Petersburg-SEA Seattle/Tacoma Intl
9h 13m1 stop Juneau Intl
$913Alaska Airlines
Sat, Oct 10 - Wed, Oct 14
Alaska Airlines Logo
3:47 pm - 11:01 amSEA  Seattle/Tacoma Intl-PSG Petersburg
20h 14m2 stops Ketchikan Wrangell SPB
Alaska Airlines Logo
11:45 am - 5:48 pmPSG  Petersburg-SEA Seattle/Tacoma Intl
5h 03m1 stop Juneau Intl
$915Alaska Airlines
Sat, Oct 10 - Wed, Oct 14
Alaska Airlines Logo
8:09 pm - 11:01 amSEA  Seattle/Tacoma Intl-PSG Petersburg
15h 52m3 stops Juneau Intl Ketchikan Wrangell SPB
Alaska Airlines Logo
3:00 pm - 8:28 pmPSG  Petersburg-SEA Seattle/Tacoma Intl
4h 28m2 stops Wrangell SPB Ketchikan
$984Alaska Airlines
Sat, Oct 10 - Wed, Oct 14
Alaska Airlines Logo
8:09 pm - 11:01 amSEA  Seattle/Tacoma Intl-PSG Petersburg
15h 52m3 stops Juneau Intl Ketchikan Wrangell SPB
Alaska Airlines Logo
3:00 pm - 9:58 pmPSG  Petersburg-SEA Seattle/Tacoma Intl
29h 58m3 stops Wrangell SPB Ketchikan Juneau Intl
$1,067Alaska Airlines
Booking Insights

Price, demand and travel trends for Seattle to Petersburg flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Seattle to Petersburg?

Round-trip flights from Seattle to Petersburg typically range from $591 to $695. The lowest price found in the past 5 days was $904, on Alaska Airlines.

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Key details for Seattle to Petersburg flights

Low season

January

Cheapest flight

$904
Beat the crowds with an average 56% drop in travelers.
The most popular month to fly with an average 78% increase in travelers.
Round-trip flight from Seattle to Petersburg

When to book flights from Seattle to Petersburg

Are your dates flexible? Find out the best times to travel from Seattle to Petersburg based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Petersburg flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Seattle to Petersburg?

    Only Economy Class is available on flights from Seattle to Petersburg.

  • Do I need a passport to fly from Seattle to Petersburg?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Seattle to Petersburg flight?

    Round-trip flights from Seattle to Petersburg range from $591 to $695, with an average of $678 over the past 12 months. Anything below $591 counts as a good deal.

  • How much can I save by taking a layover when flying from Seattle to Petersburg?

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $591 round-trip, compared to $695 via a layover through Juneau Intl (JNU).

  • Which aircraft model is used most often on flights from Seattle to Petersburg?

    The Boeing 737-700 family is used most often on this route, operated mainly by Alaska Airlines. Other aircraft seen on the route include Boeing 737-700 Passenger/BBJ1 (winglets) variants.

  • Have flight prices from Seattle to Petersburg changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $904 to $1,067. That means the highest observed fare was about 18% higher than the lowest one.

  • Which airlines offer Wi-Fi on Seattle to Petersburg flights?

    Alaska Airlines is the only airline on the Seattle to Petersburg route offering in-flight Wi-Fi. Pricing depends on fare class.

  • Which airports can I use when flying from Seattle to Petersburg?

    Flights from Seattle to Petersburg usually depart from Seattle/Tacoma Intl (SEA) and arrive at Petersburg (PSG).

  • Which airports do connecting flights from Seattle to Petersburg pass through?

    Most connecting flights from Seattle to Petersburg pass through Juneau Intl (JNU), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Seattle to Petersburg?

    Yes. Flexible dates can save you up to 44% on flights from Seattle to Petersburg. Sunday is the cheapest departure day at $423 round-trip on average, while Friday is the most expensive at $749, a difference of $326.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What is the time difference between Seattle and Petersburg?

    Petersburg is 1 hour behind Seattle (Alaska Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which airlines offer extra legroom and free seat selection on Seattle to Petersburg flights?

    Among airlines operating Seattle to Petersburg flights:

    • Alaska Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Seattle to Petersburg flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Alaska Airlines: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Seattle to Petersburg flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Friday. On this route, Sunday flights average $423, about $326 less than Friday fares (44% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Seattle to Petersburg trip for January. Fares historically average $423 round-trip in that month - typically $326 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Petersburg Airport.

    • Tides Inn

More options for your flight from Seattle to Petersburg

Complete your trip to Petersburg with a hotel stay or car rental

Car rentals in Petersburg
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