Which airports can I use when flying from Chicago O'Hare Intl Airport to Petersburg?

Flights from Chicago O'Hare Intl Airport to Petersburg usually depart from Chicago O'Hare Intl (ORD) and arrive at Petersburg (PSG).

Do I need a passport to fly from Chicago O'Hare Intl Airport to Petersburg?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Chicago O'Hare Intl Airport to Petersburg changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $804 to $1,900. That means the highest observed fare was about 2x higher than the lowest one.

What is the time difference between Chicago O'Hare Intl Airport and Petersburg?

Petersburg is 3 hours behind Chicago O'Hare Intl Airport (Alaska Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

How much should I expect to pay for a Chicago O'Hare Intl Airport to Petersburg flight?

Round-trip flights from Chicago O'Hare Intl Airport to Petersburg range from $1,273 to $1,273, with an average of $1,273 over the past 12 months. Anything below $1,273 counts as a good deal.

$415 CHEAP FLIGHTS from Chicago to Petersburg (ORD - PSG)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$804

Typical prices: $1,273-$1,273

Multiple Airlines

Sun 9/30Sun 10/7

ORD - PSG • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Petersburg!

Flight Deals

Cheap Flights from Chicago to Petersburg (ORD-PSG)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Chicago to Petersburg

Wed, Sep 30 - Wed, Oct 7

10:00 am - 2:13 pmORD Chicago O'Hare Intl-PSG Petersburg

31h 13m2 stops Seattle/Tacoma Intl Juneau Intl

11:45 am - 6:05 amPSG Petersburg-ORD Chicago O'Hare Intl

15h 20m2 stops Juneau Intl Seattle/Tacoma Intl

$804Multiple Airlines

Wed, Sep 30 - Wed, Oct 7

10:00 am - 2:13 pmORD Chicago O'Hare Intl-PSG Petersburg

31h 13m2 stops Seattle/Tacoma Intl Juneau Intl

11:45 am - 6:05 amPSG Petersburg-ORD Chicago O'Hare Intl

15h 20m2 stops Juneau Intl Seattle/Tacoma Intl

$807Multiple Airlines

Wed, Jan 27 - Thu, Jan 28

6:57 pm - 10:46 amORD Chicago O'Hare Intl-PSG Petersburg

18h 49m3 stops Seattle/Tacoma Intl Ketchikan Wrangell SPB

3:15 pm - 2:21 pmPSG Petersburg-ORD Chicago O'Hare Intl

20h 06m3 stops Wrangell SPB Ketchikan Seattle/Tacoma Intl

$826Alaska Airlines

Wed, Jan 27 - Thu, Jan 28

6:57 pm - 10:46 amORD Chicago O'Hare Intl-PSG Petersburg

18h 49m3 stops Seattle/Tacoma Intl Ketchikan Wrangell SPB

3:15 pm - 2:21 pmPSG Petersburg-ORD Chicago O'Hare Intl

20h 06m3 stops Wrangell SPB Ketchikan Seattle/Tacoma Intl

$846Alaska Airlines

Wed, Sep 30 - Wed, Oct 7

1:03 pm - 10:53 amORD Chicago O'Hare Intl-PSG Petersburg

24h 50m2 stops Seattle/Tacoma Intl Ketchikan