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.

$515 Cheap Flights from Chicago O'Hare Intl Airport to Petersburg, Alaska in 2026

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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.

8:48 pm - 10:45 am

ORD

PSG

16h 57m

3 stops

2:53 pm - 7:52 pm

PSG

ORD

25h 59m

3 stops

$737Alaska Airlines

Thu, Apr 30 - Mon, May 4

5:52 pm - 2:11 pm

ORD

PSG

23h 19m

2 stops

2:53 pm - 6:40 am

PSG

ORD

36h 47m

3 stops

$740Alaska Airlines

Wed, Apr 22 - Sat, Apr 25

8:48 pm - 10:45 am

ORD

PSG

40h 57m

3 stops

2:53 pm - 11:59 pm

PSG

ORD

30h 06m

3 stops

$742Alaska Airlines

Wed, Apr 22 - Sat, Apr 25

8:00 am - 2:11 pm

ORD

PSG

33h 11m

2 stops

2:53 pm - 6:40 am

PSG

ORD

12h 47m

3 stops

$744Alaska Airlines

Thu, Apr 30 - Mon, May 4

8:48 pm - 2:11 pm

ORD

PSG

20h 23m

2 stops

11:30 am - 6:40 am

PSG

ORD

16h 10m

2 stops

$746Alaska Airlines

Wed, Apr 22 - Sat, Apr 25

8:48 pm - 2:11 pm

ORD

PSG

20h 23m

2 stops

11:30 am - 6:40 am

PSG

ORD

16h 10m

2 stops

$872Alaska Airlines

Thu, Apr 30 - Mon, May 4

5:52 pm - 2:11 pm

ORD

PSG

23h 19m

2 stops

11:30 am - 6:40 am

PSG

ORD

16h 10m

2 stops

$882Alaska Airlines

Thu, Apr 30 - Mon, May 4

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

Apr 30

ORD8:48 pmChicago O'Hare Intl

16h 57m

3 stops

PSG10:45 amPetersburg

May 4

PSG2:53 pmPetersburg

25h 59m

3 stops

ORD7:52 pmChicago O'Hare Intl

$737

Alaska Airlines

Apr 22

ORD5:52 pmChicago O'Hare Intl

23h 19m

2 stops

PSG2:11 pmPetersburg

Apr 25

PSG2:53 pmPetersburg

36h 47m

3 stops

ORD6:40 amChicago O'Hare Intl

$740

Alaska Airlines

Apr 22

ORD8:48 pmChicago O'Hare Intl

40h 57m

3 stops

PSG10:45 amPetersburg

Apr 25

PSG2:53 pmPetersburg

30h 06m

3 stops

ORD11:59 pmChicago O'Hare Intl

$742

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 4/30

8:48 pm-10:45 am

3 stops16h 57m

Petersburg

Mon 5/4

2:53 pm-7:52 pm

3 stops25h 59m

$737

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Wed 4/22

5:52 pm-2:11 pm

2 stops23h 19m

Petersburg

Sat 4/25

2:53 pm-6:40 am

3 stops36h 47m

$740

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Wed 4/22

8:48 pm-10:45 am

3 stops40h 57m

Petersburg

Sat 4/25

2:53 pm-11:59 pm

3 stops30h 06m

$742

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Thu 4/30

8:00 am-2:11 pm

2 stops33h 11m

Petersburg

Mon 5/4

2:53 pm-6:40 am

3 stops12h 47m

$744

Quickest round-trip

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Wed 4/22

8:48 pm-2:11 pm

2 stops20h 23m

Petersburg

Sat 4/25

11:30 am-6:40 am

2 stops16h 10m

$746

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Thu 4/30

8:48 pm-2:11 pm

2 stops20h 23m

Petersburg

Mon 5/4

11:30 am-6:40 am

2 stops16h 10m

$872

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Thu 4/30

5:52 pm-2:11 pm

2 stops23h 19m

Petersburg

Mon 5/4

11:30 am-6:40 am

2 stops16h 10m

$882

Cheapest one-way

Quickest one-way

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Fri 5/29

9:35 pm-2:44 pm

2 stops20h 09m

$515

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Fri 5/29

7:40 am-10:41 am

3 stops30h 01m

$518

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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

What is the cheapest airline that flies from Chicago O'Hare Intl to Petersburg?

Alaska Airlines is the most popular carrier operating from Chicago O'Hare Intl to Petersburg

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	16h 57m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to Petersburg, Alaska takes 16h 57m

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

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 16h 57m, 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.

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.