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$739+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — ONT
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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 12/119:30 amLUX - ONT
3 stops22h 19mUnited Airlines
Thu 12/186:04 amONT - LUX
2 stops25h 16mUnited Airlines
Deal found 12/10$2,158
This lastminute.com deal was found by Cheapflights users on 12/10. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:00 amLUX - ONT
2 stops18h 03mBritish Airways
Fri 12/1911:59 pmONT - LUX
2 stops32h 31mBritish Airways
Deal found 12/10$3,935

Find 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 December 12, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$739
(United Airlines)

Popular in

July

Cheapest in

May

Average price

$773
Provider with most accurate pricing for Luxembourg-Ontario flight deals.
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Provider most trusted by Cheapflights users for Luxembourg-Ontario flights.
Search Deals
From Luxembourg to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 12, 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

Sat 5/2

8:20 am-10:26 pm

2 stops23h 06m

Ontario

Wed 5/13

1:28 pm-7:35 pm

2 stops21h 07m

$739

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Sat 5/2

8:20 am-10:26 pm

2 stops23h 06m

Ontario

Mon 5/18

11:05 am-7:35 pm

2 stops23h 30m

$739

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Sat 5/2

8:20 am-10:26 pm

2 stops23h 06m

Ontario

Tue 5/12

6:00 am-7:35 pm

2 stops28h 35m

$739

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Fri 5/1

8:25 am-10:26 pm

2 stops23h 01m

Ontario

Wed 5/13

11:05 am-7:35 pm

2 stops23h 30m

$739

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Fri 5/1

8:25 am-10:26 pm

2 stops23h 01m

Ontario

Tue 5/12

11:05 am-7:35 pm

2 stops23h 30m

$739

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Fri 5/1

8:25 am-10:26 pm

2 stops23h 01m

Ontario

Mon 5/18

11:05 am-7:35 pm

2 stops23h 30m

$739

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Sat 3/7

9:30 am-10:57 pm

2 stops22h 27m

Ontario

Sat 3/21

11:59 pm-4:20 pm

2 stops32h 21m

$751

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Tue 2/3

9:30 am-8:58 pm

2 stops20h 28m

Ontario

Tue 2/24

1:45 pm-4:20 pm

2 stops17h 35m

$751

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Thu 2/19

9:30 am-10:57 pm

2 stops22h 27m

Ontario

Mon 2/23

1:45 pm-4:20 pm

2 stops17h 35m

$760

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Sun 5/3

9:40 am-9:01 pm

2 stops20h 21m

Ontario

Fri 5/15

1:28 pm-7:35 pm

2 stops21h 07m

$969

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 17 results
1
2
  • Most accurate provider: When it comes to deals on Luxembourg-Ontario flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Luxembourg-Ontario flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Luxembourg-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Luxembourg-Ontario flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Luxembourg-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, October is the cheapest month in which you can book a flight from Luxembourg to Ontario (average of $477). Flying from Luxembourg to Ontario in January is currently the most expensive (average of $677). 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 23h 06m. United Airlines provides one of the quickest options available for as low as $739. There are 5706 mi between Luxembourg and Ontario.

  • 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, October is the cheapest month in which you can book a flight from Luxembourg to Ontario (average of $477). Flying from Luxembourg to Ontario in January is currently the most expensive (average of $677). 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.

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