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Petersburg

$490+ Cheap flights from Washington to Petersburg, AK (PSG)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PSG
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
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Cheap flight deals from Washington to Petersburg

Cheapest flights from Washington to Petersburg
Explore the most affordable flight options available from Washington to Petersburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:41 pm
SEA
-
PSG
1 stop17h 03m
Alaska Airlines
Sun 4/123:10 pm
PSG
-
SEA
Nonstop4h 29m
Alaska Airlines
Deal found 2/10$490
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:50 am
SEA
-
PSG
2 stops25h 53m
Alaska Airlines
Fri 8/143:09 pm
PSG
-
SEA
2 stops24h 41m
Alaska Airlines
Deal found 2/10$597
This Alaska Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
SEA
-
PSG
2 stops4h 54m
Alaska Airlines
Sat 2/283:18 pm
PSG
-
SEA
2 stops4h 29m
Alaska Airlines
Deal found 2/9$640

Find flight deals from Washington to Petersburg

Keep the following information in mind while searching for Washington to Petersburg flight deals. Data was last updated February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$490
(Alaska Airlines)
Provider with most accurate pricing for Seattle/Tacoma Intl-Petersburg flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Petersburg flights.
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From Washington to Petersburg
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Petersburg that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 14, 2026.
Use the filters below to find and compare flights from Washington to Petersburg that are best for you.

Fly from

Washington

Fly to

Petersburg

Route

Depart

Return

Price

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Thu 4/9

6:41 pm-10:44 am

1 stop17h 03m

Petersburg

Sun 4/12

3:10 pm-8:39 pm

Nonstop4h 29m

$490

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Wed 2/25

7:00 am-10:54 am

2 stops4h 54m

Petersburg

Sat 2/28

3:18 pm-8:47 pm

2 stops4h 29m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Best time to book a flight from Washington to Petersburg

Have a flexible travel schedule? Discover the best time to fly to Petersburg from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Petersburg

What is the cheapest time of day to fly from WA to PSG?

Find hourly flight availability from Washington to Petersburg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 14, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Petersburg, Alaska as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Washington to Petersburg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Petersburg from Washington?

    For a flight from Washington to Petersburg, you will be flying into Petersburg. Petersburg (PSG) is just 1.0 mi from the center of the city.

  • How long is the flight from State of Washington to Petersburg, Alaska?

    Departing from State of Washington to Petersburg, Alaska will take you 17h 03m. Airlines will cover a distance of 786 mi.

  • Can I find deals for flights from Washington to Petersburg that include hotel bookings?

    Yes. In addition to deals on Washington to Petersburg flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Petersburg?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Petersburg.

  • Can I find deals for business class flights from Washington to Petersburg?

    Yes. Cheapflights offers flight deals from Washington to Petersburg by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from Washington to Petersburg

Discover the top airline that operate flights from Washington to Petersburg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$463Average$607FlexibilityNo cancel feeOn-time75%

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