How do I get Price Alerts for flights from Illinois to Petersburg, Alaska?

Price Alerts will notify you by email when the price for flights to Petersburg, Alaska from Illinois 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 Illinois to Petersburg, Alaska with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

When did momondo last update prices for flights from Illinois to Petersburg Airport?

Prices for flights from Illinois to Petersburg Airport are updated daily.

How old do you have to be to fly from Illinois 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 Illinois to Petersburg Airport.

What documentation or ID do you need to fly to Petersburg Airport?

The required travel and health documents for your Petersburg Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Petersburg Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$700 Cheap Flights from Illinois to Petersburg in 2025/26

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7:45 am - 10:51 amORD-PSG

30h 06m3 stops

11:40 am - 5:04 amPSG-ORD

14h 24m2 stops

$700Alaska Airlines

Find Deal

Mon, Mar 9 - Wed, Mar 11

7:45 am - 2:42 pmORD-PSG

33h 57m2 stops

11:40 am - 5:04 amPSG-ORD

14h 24m2 stops

$706Alaska Airlines

Find Deal

Mon, Mar 9 - Wed, Mar 11

7:00 am - 10:58 amORD-PSG

30h 58m3 stops

11:43 am - 12:01 pmPSG-ORD

21h 18m2 stops

$716Alaska Airlines

Find Deal

Mon, Mar 9 - Wed, Mar 11

5:29 pm - 2:24 pmORD-PSG

23h 55m2 stops

11:43 am - 12:01 pmPSG-ORD

21h 18m2 stops

$722Alaska Airlines

Find Deal

Mon, Mar 9 - Wed, Mar 11

7:45 am - 10:51 amORD-PSG

30h 06m3 stops

11:40 am - 5:04 amPSG-ORD

38h 24m3 stops

$727Alaska Airlines

Find Deal

Mon, Mar 9 - Wed, Mar 11

7:00 am - 10:58 amORD-PSG

30h 58m3 stops

3:09 pm - 11:56 pmPSG-ORD

29h 47m3 stops

$762Alaska Airlines

Find Deal

Mon, Mar 9 - Wed, Mar 11

5:29 pm - 10:58 amORD-PSG

20h 29m3 stops

3:09 pm - 2:11 pmPSG-ORD

20h 02m3 stops

$768Alaska Airlines

Find Deal

Mon, Mar 9 - Wed, Mar 11

Alaska Airlines flights from Illinois to Petersburg, Alaska

Our best Alaska Airlines deals on Illinois to Petersburg, Alaska flight tickets

Alaska Airlines

Mar 9

ORD7:45 amChicago O'Hare Intl

30h 06m

3 stops

PSG10:51 amPetersburg

Mar 11

PSG11:40 amPetersburg

14h 24m

2 stops

ORD5:04 amChicago O'Hare Intl

$700

Find similar

Alaska Airlines

Mar 9

ORD7:45 amChicago O'Hare Intl

33h 57m

2 stops

PSG2:42 pmPetersburg

Mar 11

PSG11:40 amPetersburg

14h 24m

2 stops

ORD5:04 amChicago O'Hare Intl

$706

Find similar

Alaska Airlines

Mar 9

ORD7:00 amChicago O'Hare Intl

30h 58m

3 stops

PSG10:58 amPetersburg

Mar 11

PSG11:43 amPetersburg

21h 18m

2 stops

ORD12:01 pmChicago O'Hare Intl

$716

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Petersburg, Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Mon 3/9

7:45 am-10:51 am

3 stops30h 06m

Petersburg

Wed 3/11

11:40 am-5:04 am

2 stops14h 24m

$700

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Mon 3/9

7:45 am-2:42 pm

2 stops33h 57m

Petersburg

Wed 3/11

11:40 am-5:04 am

2 stops14h 24m

$706

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Mon 3/9

7:00 am-10:58 am

3 stops30h 58m

Petersburg

Wed 3/11

11:43 am-12:01 pm

2 stops21h 18m

$716

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Mon 3/9

5:29 pm-2:24 pm

2 stops23h 55m

Petersburg

Wed 3/11

11:43 am-12:01 pm

2 stops21h 18m

$722

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Mon 3/9

7:45 am-10:51 am

3 stops30h 06m

Petersburg

Wed 3/11

11:40 am-5:04 am

3 stops38h 24m

$727

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Mon 3/9

7:00 am-10:58 am

3 stops30h 58m

Petersburg

Wed 3/11

3:09 pm-11:56 pm

3 stops29h 47m

$762

ChicagoPetersburg

ORD - PSG

ORDPSG

Chicago O'Hare Intl

Mon 3/9

5:29 pm-10:58 am

3 stops20h 29m

Petersburg

Wed 3/11

3:09 pm-2:11 pm

3 stops20h 02m

$768

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Illinois to Petersburg, Alaska flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Petersburg, Alaska

Direct flights	None

There are no direct flights from Illinois to Petersburg, Alaska. There are no popular flight routes from Illinois to Petersburg, Alaska.

Search flight deals

When did momondo last update prices for flights from Illinois to Petersburg Airport?
Prices for flights from Illinois to Petersburg Airport are updated daily.
How old do you have to be to fly from Illinois 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 Illinois to Petersburg Airport.
What documentation or ID do you need to fly to Petersburg Airport?
The required travel and health documents for your Petersburg Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Petersburg Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

How do I get Price Alerts for flights from Illinois to Petersburg, Alaska?
Price Alerts will notify you by email when the price for flights to Petersburg, Alaska from Illinois 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 Illinois to Petersburg, Alaska with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Petersburg. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search for Illinois 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 Illinois to Petersburg right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Illinois 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.

An easier way to manage your Petersburg, Alaska trip

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Cheap flights from Illinois to Petersburg from $700

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Petersburg departing on 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to Petersburg

Cheap round-trip flights

Alaska Airlines flights from Illinois to Petersburg, Alaska

Our best Alaska Airlines deals on Illinois to Petersburg, Alaska flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Petersburg, Alaska that are best for you.

Cheap Illinois to Petersburg, Alaska flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Petersburg, Alaska

Direct flights

When did momondo last update prices for flights from Illinois to Petersburg Airport?

How old do you have to be to fly from Illinois to Petersburg Airport?

What documentation or ID do you need to fly to Petersburg Airport?

How do I get Price Alerts for flights from Illinois to Petersburg, Alaska?

How can I save money on flights from Illinois to Petersburg, Alaska with momondo?

How does momondo find its flight prices?

Why use momondo?

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

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

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

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

An easier way to manage your Petersburg, Alaska trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Alaska