HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luxembourg

$262+ Cheap flights from Illinois to Luxembourg

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LUX
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Luxembourg with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Luxembourg

Cheapest flights from Illinois to Luxembourg
Explore the most affordable flight options available from Illinois to Luxembourg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Ovago deal was found by Cheapflights users on 12/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:10 pmORD - LUX
1 stop14h 40mTAP AIR PORTUGAL
Sat 1/312:05 pmLUX - ORD
1 stop33h 40mTAP AIR PORTUGAL
Deal found 12/15$1,794
This Gurufare deal was found by Cheapflights users on 12/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:45 pmORD - LUX
2 stops19h 30mMultiple Airlines
Sat 1/37:05 amLUX - ORD
1 stop15h 15mMultiple Airlines
Deal found 12/16$1,941
This Ovago deal was found by Cheapflights users on 12/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 pmORD - LUX
1 stop15h 20mLufthansa
Sat 1/32:20 pmLUX - ORD
1 stop27h 50mLufthansa
Deal found 12/14$1,946
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:55 pmORD - LUX
2 stops17h 25mUnited Airlines
Sat 1/39:30 amLUX - ORD
2 stops57h 40mUnited Airlines
Deal found 12/16$1,982
This Delta deal was found by Cheapflights users on 12/14. 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.
Wed 12/2410:46 amORD - LUX
2 stops16h 39mDelta
Sat 1/36:00 amLUX - ORD
2 stops19h 24mDelta
Deal found 12/14$2,516
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:50 pmORD - LUX
2 stops17h 55mAustrian Airlines
Sat 1/37:00 amLUX - ORD
2 stops18h 53mAustrian Airlines
Deal found 12/15$2,631
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/189:59 amMDW - LUX
2 stops17h 26mDelta
Wed 12/2410:55 amLUX - MDW
2 stops18h 27mDelta
Deal found 12/17$3,849
This Air France deal was found by Cheapflights users on 12/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:50 pmMDW - LUX
2 stops13h 45mAir France
Wed 12/247:30 amLUX - MDW
2 stops16h 49mAir France
Deal found 12/17$3,941

Find flight deals from Illinois to Luxembourg

Keep the following information in mind while searching for Illinois to Luxembourg flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$490
(Flightnetwork)

One-way from

$262
(Kiwi.com)

Popular in

May

Cheapest in

December

Average price

$575
Provider with most accurate pricing for Chicago (CHI)-Luxembourg flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Luxembourg flights.
Search Deals
From Illinois to Luxembourg
Search Deals
One-way flight from Illinois to Luxembourg
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($196 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Luxembourg 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 December 18, 2025.
Use the filters below to find and compare flights from Illinois to Luxembourg that are best for you.

Fly from

Illinois

Fly to

Luxembourg

Route

Depart

Return

Price

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Wed 3/11

8:20 pm-9:25 am

1 stop31h 05m

Luxembourg

Wed 3/25

10:25 am-5:45 pm

1 stop13h 20m

$490

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Mon 1/26

8:20 pm-9:55 am

1 stop30h 35m

Luxembourg

Mon 2/2

10:50 am-6:25 pm

1 stop38h 35m

$560

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Thu 4/23

7:30 am-9:50 am

2 stops43h 20m

Luxembourg

Tue 4/28

7:55 pm-4:10 pm

1 stop27h 15m

$561

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Thu 4/23

11:25 am-9:25 am

1 stop15h 00m

Luxembourg

Tue 4/28

6:25 pm-9:40 am

1 stop22h 15m

$578

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Mon 1/26

7:20 pm-10:40 pm

1 stop20h 20m

Luxembourg

Mon 2/2

6:30 pm-1:14 pm

2 stops49h 44m

$613

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Sat 1/31

9:40 am-10:00 am

2 stops17h 20m

Luxembourg

Sat 2/7

7:05 am-7:45 pm

2 stops19h 40m

$673

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Wed 1/28

11:50 am-9:55 am

1 stop15h 05m

Luxembourg

Sun 2/1

10:50 am-10:05 am

1 stop30h 15m

$676

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Sat 1/31

11:50 am-9:55 am

1 stop15h 05m

Luxembourg

Sat 2/7

6:00 pm-10:05 am

1 stop23h 05m

$678

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Sun 5/3

7:00 am-9:50 am

2 stops19h 50m

Luxembourg

Thu 5/7

7:55 pm-4:10 pm

1 stop27h 15m

$702

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Wed 1/28

7:20 pm-10:40 pm

1 stop20h 20m

Luxembourg

Sun 2/1

1:35 pm-10:29 pm

2 stops39h 54m

$715

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 37 results
1
2
3
4

Best time to book a flight from Illinois to Luxembourg

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

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

Currently, April is the cheapest month in which you can book a flight from Illinois to Luxembourg (average of $334). Flying from Illinois to Luxembourg in June is currently the most expensive (average of $883). 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.

What is the cheapest time of day to fly from IL to LU?

Find hourly flight availability from Illinois to Luxembourg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Illinois to Luxembourg in the evening. Doing so could potentially save you 53% on the flight price compared to flying at noon, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Luxembourg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Luxembourg?

    Departing from Illinois to Luxembourg will take you 13h 55m. Airlines will cover a distance of 4259 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Luxembourg one-way?

    The cheapest airlines for a one-way flight from Illinois to Luxembourg are Southern / Mokulele ($34), Contour ($44), and Southwest ($48).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Luxembourg 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 Illinois to Luxembourg?

    Currently, April is the cheapest month in which you can book a flight from Illinois to Luxembourg (average of $334). Flying from Illinois to Luxembourg in June is currently the most expensive (average of $883). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Luxembourg

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
Newark to Orly flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Gatwick flights
Newark to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Istanbul flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Orly flights
Newark to Gatwick flights
Boston to Heathrow flights
LaGuardia to Charles de Gaulle flights
Dulles Intl to Heathrow flights
Miami to Madrid flights
Los Angeles to Heathrow flights
John F Kennedy Intl to Madrid flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Lisbon flights
LaGuardia to Gatwick flights
Dulles Intl to Charles de Gaulle flights
John F Kennedy Intl to Barcelona-El Prat flights
Newark to Madrid flights
Boston to Charles de Gaulle flights
Newark to Barcelona-El Prat flights
Los Angeles to Charles de Gaulle flights
San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
John F Kennedy Intl to Malpensa flights
Newark to Malpensa flights
Newark to Athens flights
Newark to Frankfurt flights
John F Kennedy Intl to Dublin flights
O'Hare Intl to Charles de Gaulle flights
Baltimore to Heathrow flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Heathrow flights
Newark to Lisbon flights
Newark to Dublin flights
John F Kennedy Intl to Amsterdam flights
John F Kennedy Intl to Athens flights
John F Kennedy Intl to Luton flights
San Francisco to Charles de Gaulle flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Seattle to Heathrow flights
Newark to London City flights
Boston to Leonardo da Vinci/Fiumicino flights
LaGuardia to Leonardo da Vinci/Fiumicino flights

Top 3 airlines flying from Illinois to Luxembourg

Discover the top 3 airlines that operate flights from Illinois to Luxembourg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$573Average$642FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$698Average$830FlexibilityNo cancel feeOn-time76%
KLMCheapest$768Average$1,051FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.