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

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

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

As of August 2025, 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.

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 August 2025, 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.

$232 Cheap Flights from Washington to Petersburg in 2025

1 adult

0 bags

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Find the cheapest flights from Washington to Petersburg

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:54 am - 10:41 amSEA-PSG

4h 47m2 stops

2:52 pm - 8:35 pmPSG-SEA

4h 43m2 stops

$459Alaska Airlines

Find Deal

Wed, Sep 3 - Wed, Sep 10

7:00 am - 2:10 pmSEA-PSG

8h 10m1 stop

2:52 pm - 8:35 pmPSG-SEA

4h 43mnonstop

$464Alaska Airlines

Find Deal

Wed, Sep 3 - Wed, Sep 10

9:50 am - 2:10 pmSEA-PSG

5h 20m1 stop

2:52 pm - 8:35 pmPSG-SEA

4h 43m2 stops

$469Alaska Airlines

Find Deal

Wed, Sep 3 - Wed, Sep 10

8:55 pm - 10:41 amSEA-PSG

14h 46m3 stops

2:52 pm - 8:35 pmPSG-SEA

4h 43m2 stops

$553Alaska Airlines

Find Deal

Wed, Sep 3 - Wed, Sep 10

9:50 am - 2:10 pmSEA-PSG

5h 20m1 stop

11:26 am - 10:29 amPSG-SEA

22h 03m1 stop

$563Alaska Airlines

Find Deal

Wed, Sep 3 - Wed, Sep 10

6:54 am - 10:41 amSEA-PSG

4h 47m2 stops

2:55 pm - 8:27 amPSG-SEA

16h 32m3 stops

$717Alaska Airlines

Find Deal

Thu, Aug 28 - Mon, Sep 1

6:54 am - 10:41 amSEA-PSG

4h 47m2 stops

11:26 am - 8:27 amPSG-SEA

20h 01m1 stop

$719Alaska Airlines

Find Deal

Thu, Aug 28 - Mon, Sep 1

9:50 am - 2:10 pmSEA-PSG

5h 20m1 stop

2:55 pm - 8:27 amPSG-SEA

16h 32m3 stops

$727Alaska Airlines

Find Deal

Thu, Aug 28 - Mon, Sep 1

9:50 am - 2:10 pmSEA-PSG

5h 20m1 stop

11:26 am - 8:27 amPSG-SEA

20h 01m1 stop

$728Alaska Airlines

Find Deal

Thu, Aug 28 - Mon, Sep 1

11:34 am - 10:41 amSEA-PSG

24h 07m3 stops

2:55 pm - 8:27 amPSG-SEA

16h 32m3 stops

$772Alaska Airlines

Find Deal

Thu, Aug 28 - Mon, Sep 1

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

Sep 3

SEA6:54 amSeattle/Tacoma Intl

4h 47m

2 stops

PSG10:41 amPetersburg

Sep 10

PSG2:52 pmPetersburg

4h 43m

2 stops

SEA8:35 pmSeattle/Tacoma Intl

$459

Find similar

Alaska Airlines

Sep 3

SEA7:00 amSeattle/Tacoma Intl

8h 10m

1 stop

PSG2:10 pmPetersburg

Sep 10

PSG2:52 pmPetersburg

4h 43m

SEA8:35 pmSeattle/Tacoma Intl

$464

Find similar

Alaska Airlines

Sep 3

SEA9:50 amSeattle/Tacoma Intl

5h 20m

1 stop

PSG2:10 pmPetersburg

Sep 10

PSG2:52 pmPetersburg

4h 43m

2 stops

SEA8:35 pmSeattle/Tacoma Intl

$469

Find similar

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

Wed 9/3

6:54 am-10:41 am

2 stops4h 47m

Petersburg

Wed 9/10

2:52 pm-8:35 pm

2 stops4h 43m

$459

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Wed 9/3

7:00 am-2:10 pm

1 stop8h 10m

Petersburg

Wed 9/10

2:52 pm-8:35 pm

Nonstop4h 43m

$464

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Wed 9/3

9:50 am-2:10 pm

1 stop5h 20m

Petersburg

Wed 9/10

2:52 pm-8:35 pm

2 stops4h 43m

$469

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Wed 9/3

8:55 pm-10:41 am

3 stops14h 46m

Petersburg

Wed 9/10

2:52 pm-8:35 pm

2 stops4h 43m

$553

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Wed 9/3

9:50 am-2:10 pm

1 stop5h 20m

Petersburg

Wed 9/10

11:26 am-10:29 am

1 stop22h 03m

$563

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Thu 8/28

6:54 am-10:41 am

2 stops4h 47m

Petersburg

Mon 9/1

2:55 pm-8:27 am

3 stops16h 32m

$717

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Thu 8/28

6:54 am-10:41 am

2 stops4h 47m

Petersburg

Mon 9/1

11:26 am-8:27 am

1 stop20h 01m

$719

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Thu 8/28

9:50 am-2:10 pm

1 stop5h 20m

Petersburg

Mon 9/1

2:55 pm-8:27 am

3 stops16h 32m

$727

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Thu 8/28

9:50 am-2:10 pm

1 stop5h 20m

Petersburg

Mon 9/1

11:26 am-8:27 am

1 stop20h 01m

$728

SeattlePetersburg

SEA - PSG

SEAPSG

Seattle/Tacoma Intl

Thu 8/28

11:34 am-10:41 am

3 stops24h 07m

Petersburg

Mon 9/1

2:55 pm-8:27 am

3 stops16h 32m

$772

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 are 1 cabin classes 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?

No. A direct flight is the cheapest option for a flight between State of Washington to Petersburg, Alaska.

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

Best Price Found	$232
Fastest flight time	4h 47m
Direct flights	Thu and Fri
Airports in Petersburg, Alaska	1 airport

The best one-way flight to Petersburg, Alaska from State of Washington in the past 72 hours is $232. The best round-trip flight deal from State of Washington to Petersburg, Alaska found on momondo in the last 72 hours is $459.

The fastest flight from State of Washington to Petersburg, Alaska takes 4h 47m

Direct flights go from State of Washington to Petersburg, Alaska on Thursday and Friday. The only airline offering direct flights is Alaska Airlines.

There is 1 airport near Petersburg, Alaska: 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 August 2025, 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 $468	Free Cancellation	Rating 8.0 10,000 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.