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$635+ Cheap flights from Luxembourg (LUX) to Ontario (ONT)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — ONT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Luxembourg to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Luxembourg (LUX) to Ontario (ONT). 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 11, 2025.

Round-trip from

$635
(American Airlines)

Popular in

July

Cheapest in

March

Average price

$732
From Luxembourg to Ontario
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Highest demand for flights based on searches. 5% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 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 Ontario

Cheapest flights from Luxembourg to Ontario
Explore the most affordable flight options available from Luxembourg to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 11/1411:00 amLUX - ONT
2 stops20h 29mAmerican Airlines
Tue 11/1810:47 amONT - LUX
2 stops25h 23mAmerican Airlines
Deal found 9/10$635
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 11/142:45 pmLUX - ONT
2 stops34h 24mDelta
Tue 11/186:00 amONT - LUX
2 stops23h 10mDelta
Deal found 9/9$718
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/109:45 amLUX - ONT
2 stops22h 07mUnited Airlines
Fri 10/176:27 pmONT - LUX
2 stops53h 48mUnited Airlines
Deal found 9/10$926
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/69:30 amLUX - ONT
2 stops17h 04mUnited Airlines
Thu 11/201:29 pmONT - LUX
2 stops17h 51mUnited Airlines
Deal found 9/10$1,017
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/89:45 amLUX - ONT
2 stops20h 39mUnited Airlines
Sat 10/181:53 pmONT - LUX
2 stops20h 42mUnited Airlines
Deal found 9/11$1,156
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/118:25 amLUX - ONT
2 stops18h 24mUnited Airlines
Sat 10/187:02 amONT - LUX
2 stops17h 13mUnited Airlines
Deal found 9/11$1,371
This British Airways deal was found by Cheapflights users on 9/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:15 pmLUX - ONT
2 stops33h 06mBritish Airways
Thu 11/207:00 amONT - LUX
2 stops18h 15mBritish Airways
Deal found 9/9$5,931
This British Airways deal was found by Cheapflights users on 9/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:50 amLUX - ONT
2 stops20h 09mBritish Airways
Fri 11/212:59 pmONT - LUX
2 stops15h 16mBritish Airways
Deal found 9/10$7,431
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/119:50 amLUX - ONT
2 stops19h 43mUnited Airlines
Thu 9/186:50 pmONT - LUX
2 stops15h 45mUnited Airlines
Deal found 9/10$11,385

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luxembourg to Ontario 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 11, 2025.
Use the filters below to find and compare flights from Luxembourg to Ontario that are best for you.

Fly from

Luxembourg

Fly to

Ontario

Route

Depart

Return

Price

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Fri 11/14

11:00 am-10:29 pm

2 stops20h 29m

Ontario

Tue 11/18

10:47 am-9:10 pm

2 stops25h 23m

$635

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Fri 11/14

2:45 pm-4:09 pm

2 stops34h 24m

Ontario

Tue 11/18

6:00 am-2:10 pm

2 stops23h 10m

$718

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Fri 10/10

9:45 am-10:52 pm

2 stops22h 07m

Ontario

Fri 10/17

6:27 pm-9:15 am

2 stops53h 48m

$926

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Thu 11/6

9:30 am-5:34 pm

2 stops17h 04m

Ontario

Thu 11/20

1:29 pm-4:20 pm

2 stops17h 51m

$1,017

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Wed 10/8

9:45 am-9:24 pm

2 stops20h 39m

Ontario

Sat 10/18

1:53 pm-7:35 pm

2 stops20h 42m

$1,156

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Sat 10/11

8:25 am-5:49 pm

2 stops18h 24m

Ontario

Sat 10/18

7:02 am-9:15 am

2 stops17h 13m

$1,371

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Sun 11/9

6:15 pm-6:21 pm

2 stops33h 06m

Ontario

Thu 11/20

7:00 am-10:15 am

2 stops18h 15m

$5,931

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Mon 11/10

10:50 am-9:59 pm

2 stops20h 09m

Ontario

Fri 11/21

2:59 pm-3:15 pm

2 stops15h 16m

$7,431

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Thu 11/13

11:00 am-11:57 pm

2 stops21h 57m

$792

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Sat 11/15

11:20 am-10:29 pm

2 stops20h 09m

$792

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 20 results
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Best time to book a flight from Luxembourg to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario 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 Ontario

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

Currently, August is the cheapest month in which you can book a flight from Luxembourg to Ontario (average of $246). Flying from Luxembourg to Ontario in March is currently the most expensive (average of $328). 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.

Related info for your journey

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

    A quick flight from Luxembourg to Ontario can take about 20h 29m. American Airlines provides one of the quickest options available for as low as $635. There are 5706 mi between Luxembourg and Ontario. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Luxembourg to Ontario (average of $246). Flying from Luxembourg to Ontario in March is currently the most expensive (average of $328). 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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