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$429+ Cheap flights from Luxembourg (LUX) to Chicago (CHI)

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — CHI
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Luxembourg to Chicago are usually found in May or June, booked 71 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Luxembourg to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Luxembourg (LUX) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$516
(Kiwi.com)

One-way from

$429
(British Airways)

Popular in

July

Cheapest in

May

Average price

$628
From Luxembourg to Chicago (CHI)
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One-way flight from Luxembourg to Chicago (CHI)
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Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Luxembourg to Chicago

Cheapest flights from Luxembourg to Chicago
Explore the most affordable flight options available from Luxembourg to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:15 amLUX - ORD
1 stop13h 40mLufthansa
Mon 10/203:35 pmORD - LUX
1 stop10h 40mLufthansa
Deal found 9/16$516
This Flighttix deal was found by Cheapflights users on 9/15. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:10 amLUX - ORD
2 stops18h 50mMultiple Airlines
Thu 11/66:50 pmORD - LUX
1 stop12h 40mMultiple Airlines
Deal found 9/15$526
This Flightnetwork deal was found by Cheapflights users on 9/17. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/62:30 pmLUX - ORD
2 stops31h 18mAir Canada
Mon 10/208:40 amORD - LUX
2 stops20h 50mAir Canada
Deal found 9/17$548
This Flightnetwork deal was found by Cheapflights users on 9/17. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/62:30 pmLUX - ORD
2 stops31h 18mMultiple Airlines
Mon 10/207:05 pmORD - LUX
1 stop16h 15mMultiple Airlines
Deal found 9/17$550
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/69:05 pmLUX - ORD
1 stop21h 45mAmerican Airlines
Mon 10/2010:35 pmORD - LUX
1 stop15h 40mAmerican Airlines
Deal found 9/16$595
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:10 amLUX - MDW
2 stops16h 59mDelta
Mon 10/201:08 pmMDW - LUX
2 stops13h 52mDelta
Deal found 9/16$641
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amLUX - MDW
2 stops18h 25mDelta
Thu 11/69:35 amMDW - LUX
2 stops17h 50mDelta
Deal found 9/15$660

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luxembourg to Chicago 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 September 17, 2025.
Use the filters below to find and compare flights from Luxembourg to Chicago that are best for you.

Fly from

Luxembourg

Fly to

Chicago

Route

Depart

Return

Price

LuxembourgChicago

LUX - ORD

LUXORD

Luxembourg

Mon 10/6

8:15 am-2:55 pm

1 stop13h 40m

Chicago O'Hare Intl

Mon 10/20

3:35 pm-9:15 am

1 stop10h 40m

$516

LuxembourgChicago

LUX - ORD

LUXORD

Luxembourg

Thu 10/30

7:10 am-8:00 pm

2 stops18h 50m

Chicago O'Hare Intl

Thu 11/6

8:00 am-10:00 am

2 stops19h 00m

$526

LuxembourgChicago

LUX - ORD

LUXORD

Luxembourg

Thu 10/30

7:10 am-8:00 pm

2 stops18h 50m

Chicago O'Hare Intl

Thu 11/6

6:50 pm-2:30 pm

1 stop12h 40m

$526

LuxembourgChicago

LUX - ORD

LUXORD

Luxembourg

Mon 10/6

2:30 pm-2:48 pm

2 stops31h 18m

Chicago O'Hare Intl

Mon 10/20

8:40 am-12:30 pm

2 stops20h 50m

$548

LuxembourgChicago

LUX - ORD

LUXORD

Luxembourg

Mon 10/6

2:30 pm-2:48 pm

2 stops31h 18m

Chicago O'Hare Intl

Mon 10/20

7:05 pm-6:20 pm

1 stop16h 15m

$550

LuxembourgChicago

LUX - MDW

LUXMDW

Luxembourg

Mon 10/6

6:10 am-4:09 pm

2 stops16h 59m

Chicago Midway

Mon 10/20

1:08 pm-10:00 am

2 stops13h 52m

$641

LuxembourgChicago

LUX - MDW

LUXMDW

Luxembourg

Thu 10/30

6:00 am-6:25 pm

2 stops18h 25m

Chicago Midway

Thu 11/6

9:35 am-10:25 am

2 stops17h 50m

$660

LuxembourgChicago

LUX - ORD

LUXORD

Luxembourg

Mon 10/6

6:10 am-9:39 pm

2 stops22h 29m

Chicago O'Hare Intl

Mon 10/20

7:15 pm-10:45 pm

1 stop20h 30m

$952

LuxembourgChicago

LUX - ORD

LUXORD

Luxembourg

Sat 1/10

11:20 am-7:50 pm

2 stops15h 30m

$429

LuxembourgChicago

LUX - ORD

LUXORD

Luxembourg

Fri 12/19

11:00 am-5:00 pm

1 stop13h 00m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 13 results
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Best time to book a flight from Luxembourg to Chicago

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

How far ahead should I book a flight from Luxembourg to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Luxembourg to Chicago. Price data was last updated on September 12, 2025.

Booking 10 days in advance of your planned departure date is, on average, the best time to get cheap flights from Luxembourg to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Luxembourg to Chicago (average of $245). Flying from Luxembourg to Chicago 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 Luxembourg to Chicago?

Related info for your journey

Find useful and relevant information for your journey from Luxembourg to Chicago. 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 Luxembourg to Chicago?

    If you book a flight to Chicago from Luxembourg, you will be flying from Luxembourg, which is the city’s only airport. Luxembourg (LUX) is located 3.8 mi from the center of Luxembourg. There are 0 flights from Luxembourg to Chicago per day from 0 different airlines.

  • How long is the flight from Luxembourg to Chicago?

    Lufthansa, Air Canada, and Delta can get you from Luxembourg to Chicago in just under 13h 40m. Your travel time can differ by up to 5h 10m. Luxembourg and Chicago are separated by a distance of 4256 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 Luxembourg to Chicago one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $429. Users have also found prices from $497 and $1,033 on American Airlines and Delta, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Luxembourg to Chicago (average of $245). Flying from Luxembourg to Chicago 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

Traveling to a place near Chicago?

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Porter
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