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$492+ Cheap flights from Seattle to Petersburg, AK (SEA - 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PSG
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Seattle to Petersburg

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Petersburg (PSG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$492
(Alaska Airlines)

Good round-trip deal

$512 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Petersburg flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Petersburg flights.
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From Seattle/Tacoma Intl to Petersburg
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Petersburg.
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Find flight deals from Seattle to Petersburg

Cheapest flights from Seattle to Petersburg
Explore the most affordable flight options available from Seattle to Petersburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 7/286:35 pmSEA - PSG
1 stop17h 09mAlaska Airlines
Tue 8/52:52 pmPSG - SEA
Nonstop4h 43mAlaska Airlines
Deal found 3/27$492

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle 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 March 28, 2025.
Use the filters below to find and compare flights from Seattle to Petersburg that are best for you.

Fly from

Seattle

Fly to

Petersburg

Route

Depart

Return

Price

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Mon 7/28

6:35 pm-10:44 am

1 stop17h 09m

Petersburg

Tue 8/5

2:52 pm-8:35 pm

Nonstop4h 43m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Compare providers for flights from Seattle to Petersburg

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Petersburg in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Petersburg, Alaska flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Petersburg, Alaska flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Petersburg, Alaska flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Petersburg, Alaska flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Petersburg, Alaska flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Petersburg

Have a flexible travel schedule? Discover the best time to fly to Petersburg from Seattle 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 Seattle to Petersburg

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

Find hourly flight availability from Seattle 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 March 28, 2025.

When flying from Seattle to Petersburg, Alaska, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Petersburg by month

Plan your trip to Petersburg by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Petersburg, Alaska ranges from 5.1 - 16.3 inches per month. October is typically the wettest month, when rainfall can reach 16.3 in. June is typically the driest time to visit Petersburg, Alaska when rainfall is around 5.1 in.

Temperature in Petersburg by month

Plan your trip to Petersburg by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Petersburg, Alaska, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 55.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Petersburg

Get insights into the airlines that provide service to Petersburg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Petersburg. Reviews last updated March 28, 2025.
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

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

  • What is the cheapest airline to fly from Seattle to Petersburg, Alaska round-trip?

    Alaska Airlines, at $492, was found to be the cheapest airline from Seattle to Petersburg, Alaska..

  • What are the cheapest flights from Seattle to Petersburg, Alaska?

    The cheapest flight price from Seattle to Petersburg, Alaska is $463. On average you can expect to pay $512. The most popular route, (Seattle/Tacoma Intl - Petersburg), can usually be booked for $492.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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.

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Top airline flying from Seattle to Petersburg

Discover the top airline that operate flights from Seattle 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$463Average$608FlexibilityNo cancel feeOn-time75%
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