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$558+ Cheap flights from Aalborg (AAL) to Illinois

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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
AAL — ORD
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Aalborg to Illinois

Keep the following information in mind while searching for Aalborg to Illinois flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$558
(Delta)

Popular in

July

Cheapest in

May

Average price

$715
From Aalborg to Illinois
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Aalborg to Illinois

Cheapest flights from Aalborg to Illinois
Explore the most affordable flight options available from Aalborg to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2110:20 amAAL - ORD
1 stop11h 00mDelta
lun. 11/244:25 pmORD - AAL
1 stop14h 20mDelta
Deal found 9/14$558
This Flightnetwork deal was found by Cheapflights users on 9/14. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/295:25 pmAAL - ORD
2 stops29h 30mMultiple Airlines
vie. 10/34:20 pmORD - AAL
2 stops33h 55mMultiple Airlines
Deal found 9/14$930
This Ticket deal was found by Cheapflights users on 9/14. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/296:10 pmAAL - ORD
1 stop27h 00mKLM
vie. 10/34:15 pmORD - AAL
1 stop14h 30mKLM
Deal found 9/14$954
This KLM deal was found by Cheapflights users on 9/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/146:30 amAAL - ORD
1 stop14h 40mKLM
mié. 9/174:40 pmORD - AAL
1 stop10h 10mKLM
Deal found 9/13$973
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/146:30 amAAL - ORD
1 stop14h 40mDelta
mié. 9/1710:15 amORD - AAL
2 stops16h 35mDelta
Deal found 9/13$975
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/147:15 pmAAL - ORD
2 stops30h 00mMultiple Airlines
mié. 9/1710:15 pmORD - AAL
2 stops18h 35mMultiple Airlines
Deal found 9/14$1,782

Cheapflights Fare Finder

 
Customize your flight search to find flights from Aalborg to Illinois 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 septiembre 15, 2025.
Use the filters below to find and compare flights from Aalborg to Illinois that are best for you.

Fly from

Aalborg

Fly to

Illinois

Route

Depart

Return

Price

AalborgChicago

AAL - ORD

AALORD

Aalborg

vie. 11/21

6:00 am-2:20 pm

1 stop15h 20m

Chicago O'Hare Intl

lun. 11/24

4:25 pm-1:45 pm

1 stop14h 20m

$558

AalborgChicago

AAL - ORD

AALORD

Aalborg

lun. 9/29

5:25 pm-3:55 pm

2 stops29h 30m

Chicago O'Hare Intl

vie. 10/3

4:20 pm-9:15 am

2 stops33h 55m

$930

AalborgChicago

AAL - ORD

AALORD

Aalborg

lun. 9/29

6:10 pm-2:10 pm

1 stop27h 00m

Chicago O'Hare Intl

vie. 10/3

4:15 pm-1:45 pm

1 stop14h 30m

$954

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Aalborg to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Aalborg 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.

Cheapflights Insights

Everything you need to know about your flight from Aalborg to Illinois

What is the cheapest month to book a flight from Aalborg to Illinois?

Currently, August is the cheapest month in which you can book a flight from Aalborg to Illinois (average of $245). Flying from Aalborg to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Aalborg to Illinois?

Related info for your journey

Find useful and relevant information for your journey from Aalborg to Illinois. 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 from for flights from Aalborg to Illinois?

    Located just 4.0 mi from the city center, Aalborg (AAL) is the airport most travelers will use when flying to Illinois from Aalborg.

  • How long is the flight from Aalborg to Illinois?

    Departing from Aalborg to Illinois will take you 15h 20m. The distance between Aalborg and Illinois is about 4110 mi.

  • Can I find deals for flights from Aalborg to Illinois that include hotel bookings?

    Yes. In addition to deals on Aalborg to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Aalborg to Illinois?

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

  • Can I find deals for business class flights from Aalborg to Illinois?

    Yes. Cheapflights offers flight deals from Aalborg to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Aalborg to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Aalborg to Illinois (average of $245). Flying from Aalborg to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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