How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Petersburg, Alaska?

Price Alerts will notify you by email when the price for flights to Petersburg, Alaska from Chicago O'Hare Intl Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Petersburg Airport?

Prices for flights from Chicago O'Hare Intl Airport to Petersburg Airport are updated daily.

How old do you have to be to fly from Chicago O'Hare 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 Chicago O'Hare 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.

$758 Cheap Flights from Chicago O'Hare Intl Airport to Petersburg, Alaska in 2026

1 adult

0 bags

Find the cheapest flights from Chicago O'Hare Intl Airport to Petersburg

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 10:45 am

ORD

PSG

31h 45m

2 stops

2:52 pm - 2:12 pm

PSG

ORD

20h 20m

1 stop

$758Alaska Airlines

Thu, Oct 29 - Mon, Nov 2

5:55 pm - 10:45 am

ORD

PSG

19h 50m

1 stop

2:52 pm - 2:12 pm

PSG

ORD

20h 20m

1 stop

$759Alaska Airlines

Thu, Oct 29 - Mon, Nov 2

6:00 am - 10:45 am

ORD

PSG

31h 45m

2 stops

2:52 pm - 11:59 pm

PSG

ORD

30h 07m

2 stops

$761Alaska Airlines

Thu, Oct 29 - Mon, Nov 2

6:00 am - 11:00 am

ORD

PSG

32h 00m

3 stops

2:52 pm - 7:00 am

PSG

ORD

13h 08m

3 stops

$765Alaska Airlines

Thu, Oct 29 - Mon, Nov 2

9:00 am - 11:00 am

ORD

PSG

29h 00m

3 stops

11:29 am - 11:59 pm

PSG

ORD

33h 30m

2 stops

$768Alaska Airlines

Thu, Oct 29 - Mon, Nov 2

5:46 pm - 2:16 pm

ORD

PSG

23h 30m

2 stops

11:29 am - 7:00 am

PSG

ORD

16h 31m

2 stops

$774Alaska Airlines

Thu, Oct 29 - Mon, Nov 2

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Alaska Airlines flights from Chicago O'Hare Intl Airport to Petersburg, Alaska

Our best Alaska Airlines deals on Chicago O'Hare Intl Airport to Petersburg, Alaska flight tickets

Alaska Airlines

Oct 29

ORD6:00 amChicago O'Hare Intl

31h 45m

2 stops

PSG10:45 amPetersburg

Nov 2

PSG2:52 pmPetersburg

20h 20m

1 stop

ORD2:12 pmChicago O'Hare Intl

$758

Alaska Airlines

Oct 29

ORD5:55 pmChicago O'Hare Intl

19h 50m

1 stop

PSG10:45 amPetersburg

Nov 2

PSG2:52 pmPetersburg

20h 20m

1 stop

ORD2:12 pmChicago O'Hare Intl

$759

Alaska Airlines

Oct 29

ORD6:00 amChicago O'Hare Intl

31h 45m

2 stops

PSG10:45 amPetersburg

Nov 2

PSG2:52 pmPetersburg

30h 07m

2 stops

ORD11:59 pmChicago O'Hare Intl

$761

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Petersburg, Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Thu 10/29

6:00 am-10:45 am

2 stops31h 45m

Petersburg

Mon 11/2

2:52 pm-2:12 pm

1 stop20h 20m

$758

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Thu 10/29

5:55 pm-10:45 am

1 stop19h 50m

Petersburg

Mon 11/2

2:52 pm-2:12 pm

1 stop20h 20m

$759

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Thu 10/29

6:00 am-10:45 am

2 stops31h 45m

Petersburg

Mon 11/2

2:52 pm-11:59 pm

2 stops30h 07m

$761

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Thu 10/29

6:00 am-11:00 am

3 stops32h 00m

Petersburg

Mon 11/2

2:52 pm-7:00 am

3 stops13h 08m

$765

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Thu 10/29

9:00 am-11:00 am

3 stops29h 00m

Petersburg

Mon 11/2

11:29 am-11:59 pm

2 stops33h 30m

$768

Quickest round-trip

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Thu 10/29

5:46 pm-2:16 pm

2 stops23h 30m

Petersburg

Mon 11/2

11:29 am-7:00 am

2 stops16h 31m

$774

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago O'Hare Intl Airport to Petersburg, Alaska

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

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Petersburg, Alaska (ORD to PSG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Petersburg, Alaska

Fastest flight time	20h 14m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to Petersburg, Alaska takes 20h 14m

There are no direct flights from Chicago O'Hare Intl Airport to Petersburg, Alaska. There are no popular flight routes from Chicago O'Hare Intl Airport to Petersburg, Alaska.

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Petersburg, Alaska

How far is Chicago O'Hare Intl to Petersburg by plane?
Chicago O'Hare Intl and Petersburg are 2215.5 mi apart from one another. Flights usually cover this in 20h 14m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Petersburg Airport?
Prices for flights from Chicago O'Hare Intl Airport to Petersburg Airport are updated daily.
How old do you have to be to fly from Chicago O'Hare 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 Chicago O'Hare 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.

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Petersburg, Alaska

How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Petersburg, Alaska?
Price Alerts will notify you by email when the price for flights to Petersburg, Alaska from Chicago O'Hare Intl Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Chicago O'Hare Intl Airport to Petersburg, Alaska with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Chicago to Petersburg flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Chicago and Petersburg by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Chicago to Petersburg flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.