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$826+ Cheap flights from Dulles Intl (IAD) 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PSG
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
1 adult, Economy
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Cheap flight deals from Dulles Intl to Petersburg

Cheapest flights from Dulles Intl to Petersburg
Explore the most affordable flight options available from Dulles Intl to Petersburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 23, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 10/276:30 am
IAD
-
PSG
3 stops32h 15m
Alaska Airlines
Fri 10/302:52 pm
PSG
-
IAD
3 stops36h 36m
Alaska Airlines
Deal found 2/19$826
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 3/96:27 pm
IAD
-
PSG
2 stops24h 06m
Alaska Airlines
Fri 3/133:18 pm
PSG
-
IAD
3 stops10h 22m
Alaska Airlines
Deal found 2/22$1,115
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 6/256:05 am
IAD
-
PSG
2 stops12h 20m
Alaska Airlines
Thu 7/211:25 am
PSG
-
IAD
2 stops16h 07m
Alaska Airlines
Deal found 2/20$1,983

Find flight deals from Dulles Intl to Petersburg

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 February 23, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,115
(Alaska Airlines)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Petersburg flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Petersburg flights.
Search Deals
From Washington, D.C. Dulles Intl to Petersburg
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 23, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Petersburg that are best for you.

Fly from

Dulles Intl

Fly to

Petersburg

Route

Depart

Return

Price

Washington, D.C.Petersburg

IAD - PSG

IADPSG

Washington, D.C. Dulles Intl

Mon 3/9

6:27 pm-2:33 pm

2 stops24h 06m

Petersburg

Fri 3/13

3:18 pm-5:40 am

3 stops10h 22m

$1,115

Washington, D.C.Petersburg

IAD - PSG

IADPSG

Washington, D.C. Dulles Intl

Thu 6/25

6:05 am-2:25 pm

2 stops12h 20m

Petersburg

Thu 7/2

11:25 am-7:32 am

2 stops16h 07m

$1,983

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Petersburg, Alaska flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C. Dulles Intl Airport-Petersburg, Alaska flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Petersburg, Alaska flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Petersburg, Alaska flights, Cheapflights users trust Expedia the most. Expedia 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 Washington, D.C. Dulles Intl Airport-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 Dulles Intl to Petersburg

Have a flexible travel schedule? Discover the best time to fly to Petersburg from Dulles Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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, D.C. Dulles Intl?

    Petersburg (PSG), located 1.0 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Petersburg. 0 airlines have flights to Petersburg from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Petersburg should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Petersburg, Alaska?

    For as low as $1,115, Alaska Airlines can have you in Petersburg, Alaska from Washington, D.C. Dulles Intl Airport in 24h 06m. Airlines will cover a distance of 2754 mi.

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

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

  • How can I find direct flights from Dulles Intl to Petersburg?

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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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