How many flights depart from Seattle to Petersburg, Alaska on average per week?

As of November 2025, 1 flights take off from Seattle and land in Petersburg, Alaska each week. The most common flight departure day for this route is Thu, with 100% of weekly flights taking off on this day.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Petersburg Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Petersburg Airport were last updated today.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Petersburg Airport?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Petersburg Airport is 1 as of November 2025.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Petersburg Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Petersburg Airport.

What documentation or ID do you need to fly to Petersburg Airport?

The travel and health documents you'll need for your trip to Petersburg Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Petersburg Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$462 Cheap Flights from Seattle to Petersburg in 2025/26

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11:27 am - 2:27 pmSEA-PSG

4h 00m1 stop

3:12 pm - 8:51 pmPSG-SEA

4h 39m2 stops

$506Alaska Airlines

Find Deal

Sat, Dec 6 - Mon, Dec 8

8:59 pm - 11:12 amSEA-PSG

15h 13m3 stops

3:12 pm - 8:51 pmPSG-SEA

4h 39m2 stops

$511Alaska Airlines

Find Deal

Sat, Dec 6 - Mon, Dec 8

7:00 am - 2:27 pmSEA-PSG

8h 27m1 stop

11:57 am - 5:58 pmPSG-SEA

5h 01m1 stop

$516Alaska Airlines

Find Deal

Sat, Dec 6 - Mon, Dec 8

7:11 am - 11:12 amSEA-PSG

5h 01m2 stops

3:12 pm - 8:51 pmPSG-SEA

4h 39m2 stops

$517Alaska Airlines

Find Deal

Sat, Dec 6 - Mon, Dec 8

7:00 am - 2:27 pmSEA-PSG

8h 27m1 stop

11:57 am - 5:58 pmPSG-SEA

5h 01m1 stop

$549Alaska Airlines

Find Deal

Sat, Dec 6 - Mon, Dec 8

8:59 pm - 11:12 amSEA-PSG

15h 13m3 stops

3:12 pm - 10:25 amPSG-SEA

18h 13m3 stops

$554Alaska Airlines

Find Deal

Sat, Dec 6 - Mon, Dec 8

11:27 am - 11:12 amSEA-PSG

24h 45m3 stops

3:12 pm - 10:25 amPSG-SEA

18h 13m3 stops

$558Alaska Airlines

Find Deal

Sat, Dec 6 - Mon, Dec 8

7:00 am - 2:27 pmSEA-PSG

8h 27m1 stop

3:12 pm - 8:51 pmPSG-SEA

4h 39m2 stops

$580Alaska Airlines

Find Deal

Sat, Dec 6 - Mon, Dec 8

7:11 am - 11:12 amSEA-PSG

5h 01m2 stops

3:12 pm - 10:25 amPSG-SEA

18h 13m3 stops

$585Alaska Airlines

Find Deal

Sat, Dec 6 - Mon, Dec 8

7:00 am - 2:27 pmSEA-PSG

8h 27m1 stop

11:57 am - 10:21 pmPSG-SEA

9h 24m1 stop

$590Alaska Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

Alaska Airlines flights from Seattle to Petersburg, Alaska

Our best Alaska Airlines deals on Seattle to Petersburg, Alaska flight tickets

Alaska Airlines

Dec 6

SEA11:27 amSeattle/Tacoma Intl

4h 00m

1 stop

PSG2:27 pmPetersburg

Dec 8

PSG3:12 pmPetersburg

4h 39m

2 stops

SEA8:51 pmSeattle/Tacoma Intl

$506

Find similar

Alaska Airlines

Dec 6

SEA8:59 pmSeattle/Tacoma Intl

15h 13m

3 stops

PSG11:12 amPetersburg

Dec 8

PSG3:12 pmPetersburg

4h 39m

2 stops

SEA8:51 pmSeattle/Tacoma Intl

$511

Find similar

Alaska Airlines

Dec 6

SEA7:00 amSeattle/Tacoma Intl

8h 27m

1 stop

PSG2:27 pmPetersburg

Dec 8

PSG11:57 amPetersburg

5h 01m

1 stop

SEA5:58 pmSeattle/Tacoma Intl

$516

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Seattle to Petersburg, Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Sat 12/6

11:27 am-2:27 pm

1 stop4h 00m

Petersburg

Mon 12/8

3:12 pm-8:51 pm

2 stops4h 39m

$506

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Sat 12/6

8:59 pm-11:12 am

3 stops15h 13m

Petersburg

Mon 12/8

3:12 pm-8:51 pm

2 stops4h 39m

$511

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Sat 12/6

7:00 am-2:27 pm

1 stop8h 27m

Petersburg

Mon 12/8

11:57 am-5:58 pm

1 stop5h 01m

$516

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Sat 12/6

7:11 am-11:12 am

2 stops5h 01m

Petersburg

Mon 12/8

3:12 pm-8:51 pm

2 stops4h 39m

$517

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Sat 12/6

7:00 am-2:27 pm

1 stop8h 27m

Petersburg

Mon 12/8

11:57 am-5:58 pm

1 stop5h 01m

$549

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Sat 12/6

8:59 pm-11:12 am

3 stops15h 13m

Petersburg

Mon 12/8

3:12 pm-10:25 am

3 stops18h 13m

$554

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Sat 12/6

11:27 am-11:12 am

3 stops24h 45m

Petersburg

Mon 12/8

3:12 pm-10:25 am

3 stops18h 13m

$558

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Sat 12/6

7:00 am-2:27 pm

1 stop8h 27m

Petersburg

Mon 12/8

3:12 pm-8:51 pm

2 stops4h 39m

$580

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Sat 12/6

7:11 am-11:12 am

2 stops5h 01m

Petersburg

Mon 12/8

3:12 pm-10:25 am

3 stops18h 13m

$585

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Wed 12/3

7:00 am-2:27 pm

1 stop8h 27m

Petersburg

Sun 12/7

11:57 am-10:21 pm

1 stop9h 24m

$590

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How to get the cheapest flight ticket from Seattle to Petersburg, Alaska

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Other information

What is the cheapest day to depart on your flight to Petersburg, Alaska?

The cheapest day to depart on your flight to Petersburg, Alaska is on a Sunday when prices can be found for as low as $578. This is often the case because there is less demand to fly during this day of the week. Flights from Seattle to Petersburg, Alaska on a Wednesday will generally be more expensive and average around $808. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest Seattle/Tacoma Intl to Petersburg flight route?

Fly from Seattle/Tacoma Intl to Petersburg for the best Seattle/Tacoma Intl - Petersburg flight prices

What cabin class options are available on Seattle/Tacoma Intl to Petersburg flights?

There is only 1 cabin class available to choose from on Seattle/Tacoma Intl to Petersburg flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Petersburg, Alaska flights?

You could potentially save up to 42% on your flight if you consider stops on a Seattle to Petersburg, Alaska flight.

When to book flights from Seattle to Petersburg, Alaska

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Petersburg, Alaska according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Petersburg, Alaska (SEA to PSG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Petersburg, Alaska

Direct flights	None

There are no direct flights from Seattle to Petersburg, Alaska. There are no popular flight routes from Seattle to Petersburg, Alaska.

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How far is Seattle/Tacoma Intl to Petersburg by plane?
The distance between Seattle/Tacoma Intl and Petersburg is about 776.0 mi. Typically, this will take 4h 00m by plane in normal conditions.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Petersburg Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Petersburg Airport were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Petersburg Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Petersburg Airport is 1 as of November 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Petersburg Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Petersburg Airport.
What documentation or ID do you need to fly to Petersburg Airport?
The travel and health documents you'll need for your trip to Petersburg Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Petersburg Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Petersburg, Alaska?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Petersburg, Alaska is Boeing 737-700 Passenger/BBJ1 (winglets), representing 100.00% of all bookings.
What is the most popular airline from Seattle to Petersburg, Alaska?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Petersburg, Alaska is Alaska Airlines (100% of total bookings).

Best airlines flying from Seattle to Petersburg, Alaska

Compare and see reviews for airlines that fly from Seattle to Petersburg, Alaska with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $468	Free Cancellation	Rating 8.0 11,326 reviews		Search Alaska Airlines flights

Alaska Airlines Flights From Seattle to Petersburg, Alaska
Alaska Airlines flies from Seattle to Petersburg, Alaska around 1 time per week, with 11,326 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Seattle to Petersburg, Alaska in the last 72 hours was $468 (round-trip), much lower than the average airfare cost of $612 for Alaska Airlines flights on this route.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Petersburg?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Petersburg. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Petersburg with flexible booking policies on momondo?

Flights from Seattle to Petersburg with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Petersburg?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Petersburg from Seattle.

I’m not ready to book a flight from Seattle to Petersburg right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Petersburg from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Petersburg, Alaska trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Seattle to Petersburg from $506

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Petersburg departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Seattle to Petersburg

Cheap round-trip flights

Cheap one-way flights

Alaska Airlines flights from Seattle to Petersburg, Alaska

Our best Alaska Airlines deals on Seattle to Petersburg, Alaska flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Seattle to Petersburg, Alaska that are best for you.

See travel insights to Petersburg from

How to get the cheapest flight ticket from Seattle to Petersburg, Alaska

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Petersburg, Alaska?

What is the cheapest Seattle/Tacoma Intl to Petersburg flight route?

Fly from Seattle/Tacoma Intl to Petersburg for the best Seattle/Tacoma Intl - Petersburg flight prices

What cabin class options are available on Seattle/Tacoma Intl to Petersburg flights?

There is only 1 cabin class available to choose from on Seattle/Tacoma Intl to Petersburg flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Petersburg, Alaska flights?

You could potentially save up to 42% on your flight if you consider stops on a Seattle to Petersburg, Alaska flight.

How many flights depart from Seattle to Petersburg, Alaska on average per week?

As of November 2025, 1 flights take off from Seattle and land in Petersburg, Alaska each week. The most common flight departure day for this route is Thu, with 100% of weekly flights taking off on this day.

When to book flights from Seattle to Petersburg, Alaska

Cheap Seattle to Petersburg, Alaska (SEA to PSG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Petersburg, Alaska

Direct flights

How far is Seattle/Tacoma Intl to Petersburg by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Petersburg Airport?

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Petersburg Airport?

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Petersburg Airport?

What documentation or ID do you need to fly to Petersburg Airport?

What is the most popular plane model from Seattle to Petersburg, Alaska?

What is the most popular airline from Seattle to Petersburg, Alaska?

Best airlines flying from Seattle to Petersburg, Alaska

Compare and see reviews for airlines that fly from Seattle to Petersburg, Alaska with momondo

Alaska Airlines Flights From Seattle to Petersburg, Alaska

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Petersburg?

Can I find flights from Seattle to Petersburg with flexible booking policies on momondo?

How can momondo help me find flights from Seattle to Petersburg?

I’m not ready to book a flight from Seattle to Petersburg right now. Can momondo alert me if prices change?

An easier way to manage your Petersburg, Alaska trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Alaska