How many flights depart from State of Washington to Petersburg, Alaska on average per week?

As of February 2026, 4 flights take off from State of Washington and land in Petersburg, Alaska each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.

What is the cheapest airline that flies from Washington to Petersburg?

Alaska Airlines is the most popular carrier operating from Washington to Petersburg

When did momondo last update prices for flights from Washington to Petersburg Airport?

Prices for flights from Washington to Petersburg Airport are updated daily.

How many operators does momondo search for flights from Washington to Petersburg Airport?

As of February 2026, there is 1 operator available to choose from for flights from Washington to Petersburg Airport.

How old do you have to be to fly from Washington to Petersburg Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington 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.

$334 Cheap Flights from Washington to Petersburg in 2026

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Find the cheapest flights from Washington to Petersburg

Round-trip

One-way

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:41 pm - 10:44 am

SEA

PSG

17h 03m

1 stop

2:53 pm - 8:17 pm

PSG

SEA

4h 24mnonstop

$428Alaska Airlines

Fri, Apr 17 - Thu, Apr 23

7:00 am - 10:54 am

SEA

PSG

4h 54m

2 stops

3:18 pm - 8:47 pm

PSG

SEA

4h 29m

2 stops

$430Alaska Airlines

Wed, Feb 25 - Sat, Feb 28

7:00 am - 2:25 pm

SEA

PSG

8h 25m

1 stop

2:53 pm - 8:17 pm

PSG

SEA

4h 24mnonstop

$435Alaska Airlines

Fri, Apr 17 - Thu, Apr 23

7:00 am - 10:54 am

SEA

PSG

4h 54m

2 stops

11:36 am - 5:50 pm

PSG

SEA

5h 14m

1 stop

$439Alaska Airlines

Wed, Feb 25 - Sat, Feb 28

7:01 am - 2:33 pm

SEA

PSG

8h 32m

1 stop

11:36 am - 10:10 pm

PSG

SEA

9h 34m

1 stop

$449Alaska Airlines

Wed, Feb 25 - Sat, Feb 28

6:24 pm - 10:45 am

SEA

PSG

17h 21m

1 stop

2:53 pm - 8:17 pm

PSG

SEA

4h 24mnonstop

$468Alaska Airlines

Wed, Apr 22 - Mon, Apr 27

7:00 am - 10:45 am

SEA

PSG

4h 45mnonstop

2:53 pm - 8:17 pm

PSG

SEA

4h 24mnonstop

$470Alaska Airlines

Wed, Apr 22 - Mon, Apr 27

6:24 pm - 10:45 am

SEA

PSG

17h 21m

1 stop

11:30 am - 9:14 pm

PSG

SEA

8h 44m

1 stop

$478Alaska Airlines

Wed, Apr 22 - Mon, Apr 27

7:00 am - 10:45 am

SEA

PSG

4h 45m

2 stops

11:30 am - 5:59 pm

PSG

SEA

5h 29m

1 stop

$479Alaska Airlines

Wed, Apr 22 - Mon, Apr 27

7:00 am - 10:54 am

SEA

PSG

4h 54m

2 stops

3:18 pm - 12:22 pm

PSG

SEA

20h 04m

2 stops

$533Alaska Airlines

Wed, Feb 25 - Sat, Feb 28

Alaska Airlines flights from State of Washington to Petersburg, Alaska

Our best Alaska Airlines deals on State of Washington to Petersburg, Alaska flight tickets

Alaska Airlines

Apr 17

SEA6:41 pmSeattle/Tacoma Intl

17h 03m

1 stop

PSG10:44 amPetersburg

Apr 23

PSG2:53 pmPetersburg

4h 24m

SEA8:17 pmSeattle/Tacoma Intl

$428

Alaska Airlines

Feb 25

SEA7:00 amSeattle/Tacoma Intl

4h 54m

2 stops

PSG10:54 amPetersburg

Feb 28

PSG3:18 pmPetersburg

4h 29m

2 stops

SEA8:47 pmSeattle/Tacoma Intl

$430

Alaska Airlines

Apr 17

SEA7:00 amSeattle/Tacoma Intl

8h 25m

1 stop

PSG2:25 pmPetersburg

Apr 23

PSG2:53 pmPetersburg

4h 24m

SEA8:17 pmSeattle/Tacoma Intl

$435

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Fri 4/17

6:41 pm-10:44 am

1 stop17h 03m

Petersburg

Thu 4/23

2:53 pm-8:17 pm

Nonstop4h 24m

$428

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

$430

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Fri 4/17

7:00 am-2:25 pm

1 stop8h 25m

Petersburg

Thu 4/23

2:53 pm-8:17 pm

Nonstop4h 24m

$435

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Wed 2/25

7:00 am-10:54 am

2 stops4h 54m

Petersburg

Sat 2/28

11:36 am-5:50 pm

1 stop5h 14m

$439

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Wed 2/25

7:01 am-2:33 pm

1 stop8h 32m

Petersburg

Sat 2/28

11:36 am-10:10 pm

1 stop9h 34m

$449

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Wed 4/22

6:24 pm-10:45 am

1 stop17h 21m

Petersburg

Mon 4/27

2:53 pm-8:17 pm

Nonstop4h 24m

$468

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Wed 4/22

7:00 am-10:45 am

Nonstop4h 45m

Petersburg

Mon 4/27

2:53 pm-8:17 pm

Nonstop4h 24m

$470

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Wed 4/22

6:24 pm-10:45 am

1 stop17h 21m

Petersburg

Mon 4/27

11:30 am-9:14 pm

1 stop8h 44m

$478

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Wed 4/22

7:00 am-10:45 am

2 stops4h 45m

Petersburg

Mon 4/27

11:30 am-5:59 pm

1 stop5h 29m

$479

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-12:22 pm

2 stops20h 04m

$533

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington 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

Airlines

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 State of Washington 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 Washington to Petersburg flight route?

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

What cabin class options are available on Washington to Petersburg flights?

There is only 1 cabin class available to choose from on Washington 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 State of Washington to Petersburg, Alaska flights?

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

Cheap State of Washington to Petersburg, Alaska flight deals and tips

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

Fastest flight time	4h 43m
Direct flights	Thu, Fri, Sat and Sun
Airports in Petersburg, Alaska	1 airport

The fastest flight from State of Washington to Petersburg, Alaska takes 4h 43m

Direct flights go from State of Washington to Petersburg, Alaska on Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport in Petersburg, Alaska. From State of Washington there are direct flights to Petersburg (PSG).

Search flight deals

When did momondo last update prices for flights from Washington to Petersburg Airport?
Prices for flights from Washington to Petersburg Airport are updated daily.
How many operators does momondo search for flights from Washington to Petersburg Airport?
As of February 2026, there is 1 operator available to choose from for flights from Washington to Petersburg Airport.
How old do you have to be to fly from Washington to Petersburg Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington 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 State of Washington to Petersburg, Alaska?
Based on momondo bookings for flights between State of Washington and Petersburg, Alaska, the leading plane model is Boeing 737-700 Passenger/BBJ1 (winglets), making up 100.00% of the total bookings.

Best airlines flying from State of Washington to Petersburg, Alaska

Compare and see reviews for airlines that fly from State of Washington to Petersburg, Alaska with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $422	Free Cancellation	Rating 8.0 11,847 reviews		Search Alaska Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Petersburg. momondo saves you time and could save you money on your trip.

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

Flights from Washington 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 Washington to Petersburg?

Once you have performed a search for Washington to Petersburg flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Petersburg from Washington. 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.