HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luxembourg

$330+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LUX
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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

Keep the following information in mind while searching for Illinois to Luxembourg flight deals. Data was last updated July 31, 2025.

Round-trip from

$542
(FlightHub)

One-way from

$330
(Kiwi.com)

Popular in

May

Cheapest in

March

Average price

$1,155
From Illinois to Luxembourg
Search Deals
One-way flight from Illinois to Luxembourg
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($148 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find 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 July 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/29. 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.
Wed 9/107:50 pmORD - LUX
1 stop30h 40mTurkish Airlines
Tue 9/236:20 pmLUX - ORD
1 stop22h 20mTurkish Airlines
Deal found 7/29$542
This Gotogate deal was found by Cheapflights users on 7/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:40 pmORD - LUX
1 stop14h 55mMultiple Airlines
Wed 9/176:15 amLUX - ORD
2 stops15h 40mMultiple Airlines
Deal found 7/29$654
This Air Canada deal was found by Cheapflights users on 7/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:40 amORD - LUX
2 stops16h 00mAir Canada
Tue 9/236:15 amLUX - ORD
2 stops19h 26mAir Canada
Deal found 7/30$670
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:59 pmORD - LUX
2 stops13h 46mAmerican Airlines
Wed 9/179:35 pmLUX - ORD
2 stops25h 10mAmerican Airlines
Deal found 7/29$677
This Ovago deal was found by Cheapflights users on 7/30. 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.
Fri 10/31:59 pmORD - LUX
2 stops21h 26mBritish Airways
Mon 10/139:05 pmLUX - ORD
1 stop21h 45mBritish Airways
Deal found 7/30$759
This KAYAK deal was found by Cheapflights users on 7/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:05 pmORD - LUX
1 stop31h 35mSWISS
Thu 9/47:10 pmLUX - ORD
1 stop27h 45mSWISS
Deal found 7/29$773
This Ovago deal was found by Cheapflights users on 7/29. 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.
Sat 11/89:55 pmORD - LUX
1 stop13h 45mLOT
Mon 11/1010:20 amLUX - ORD
2 stops16h 30mLOT
Deal found 7/29$849
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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.
Sat 9/139:40 pmORD - LUX
2 stops27h 00mLufthansa
Fri 9/191:30 pmLUX - ORD
2 stops30h 25mLufthansa
Deal found 7/29$899
This Delta deal was found by Cheapflights users on 7/30. 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 11/122:00 pmMDW - LUX
2 stops17h 15mDelta
Sun 11/162:45 pmLUX - MDW
2 stops37h 59mDelta
Deal found 7/30$937
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:20 pmORD - LUX
1 stop15h 40mScandinavian Airlines
Fri 1/26:15 pmLUX - ORD
1 stop29h 30mScandinavian Airlines
Deal found 7/31$939
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 8/282:15 pmORD - LUX
2 stops14h 55mUnited Airlines
Thu 9/49:50 amLUX - ORD
2 stops19h 51mUnited Airlines
Deal found 7/29$963
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/31. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:30 amORD - LUX
2 stops22h 20mTAP AIR PORTUGAL
Sat 12/1312:05 pmLUX - ORD
1 stop33h 55mTAP AIR PORTUGAL
Deal found 7/31$1,112

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 July 31, 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 9/10

11:45 pm-5:25 pm

1 stop34h 40m

Luxembourg

Tue 9/23

6:20 pm-9:40 am

1 stop22h 20m

$542

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Sun 1/25

7:10 pm-10:25 pm

1 stop20h 15m

Luxembourg

Wed 5/13

11:25 am-4:10 pm

2 stops59h 45m

$618

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Sun 1/25

9:45 pm-4:20 pm

1 stop11h 35m

Luxembourg

Wed 5/13

11:40 am-6:15 pm

1 stop13h 35m

$635

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Sun 1/25

10:35 am-10:05 am

2 stops16h 30m

Luxembourg

Wed 5/13

6:10 am-2:51 pm

2 stops15h 41m

$641

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Wed 9/10

9:40 pm-7:35 pm

1 stop14h 55m

Luxembourg

Wed 9/17

6:15 am-2:55 pm

2 stops15h 40m

$654

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Wed 9/10

1:59 pm-10:45 am

2 stops13h 46m

Luxembourg

Wed 9/17

9:35 pm-3:45 pm

2 stops25h 10m

$677

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Thu 8/28

7:05 pm-9:40 am

1 stop31h 35m

Luxembourg

Thu 9/4

7:10 pm-3:55 pm

1 stop27h 45m

$773

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Sat 11/8

9:55 pm-6:40 pm

1 stop13h 45m

Luxembourg

Mon 11/10

10:20 am-7:50 pm

2 stops16h 30m

$849

ChicagoLuxembourg

ORD - LUX

ORDLUX

Chicago O'Hare Intl

Sat 9/13

9:40 pm-7:40 am

2 stops27h 00m

Luxembourg

Fri 9/19

1:30 pm-12:55 pm

2 stops30h 25m

$899

ChicagoLuxembourg

MDW - LUX

MDWLUX

Chicago Midway

Wed 11/12

2:00 pm-2:15 pm

2 stops17h 15m

Luxembourg

Sun 11/16

2:45 pm-9:44 pm

2 stops37h 59m

$937

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 17 results
1
2

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, February is the cheapest month in which you can book a flight from Illinois to Luxembourg (average of $638). Flying from Illinois to Luxembourg in June is currently the most expensive (average of $1,173). 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 July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Luxembourg as you normally would.

Reviews of airlines servicing Luxembourg

Get insights into the airlines that provide service to Luxembourg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luxembourg. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from Illinois to Luxembourg, such as Delta, SWISS, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,933 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 TAP AIR PORTUGAL ($451), British Airways ($542), and American Airlines ($543).

  • 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, February is the cheapest month in which you can book a flight from Illinois to Luxembourg (average of $638). Flying from Illinois to Luxembourg in June is currently the most expensive (average of $1,173). 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
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to London City flights
Newark to Charles de Gaulle flights
Newark to Leonardo da Vinci/Fiumicino flights
Newark to Gatwick flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Istanbul flights
John F Kennedy Intl to Lisbon flights
Newark to London City flights
John F Kennedy Intl to Stansted flights
LaGuardia to Gatwick flights
Miami to Madrid flights
John F Kennedy Intl to Orly flights
Newark to Lisbon flights
Boston to Heathrow flights
O'Hare Intl to Heathrow flights
Newark to Athens flights
John F Kennedy Intl to Luton flights
Dulles Intl to Heathrow flights
Newark to Barcelona-El Prat flights
Los Angeles to Heathrow flights
Newark to Orly flights
Newark to Stansted flights
LaGuardia to Charles de Gaulle flights
John F Kennedy Intl to Athens flights
John F Kennedy Intl to Malpensa flights
John F Kennedy Intl to Dublin flights
Newark to Madrid flights
John F Kennedy Intl to Barcelona-El Prat flights
John F Kennedy Intl to Madrid flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
San Francisco to Heathrow flights
Newark to Malpensa flights
Seattle to Heathrow flights
Newark to Dublin flights
Boston to Charles de Gaulle flights
Baltimore to Heathrow flights
Boston to Leonardo da Vinci/Fiumicino flights
Seattle to Charles de Gaulle flights
John F Kennedy Intl to Frederic Chopin flights
Newark to Luton flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Charles de Gaulle flights
Dallas/Fort Worth to Heathrow flights
John F Kennedy Intl to Frankfurt flights
John F Kennedy Intl to Amsterdam flights

Top 2 airlines flying from Illinois to Luxembourg

Discover the top 2 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$589Average$1,186FlexibilityNo 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.