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$464+ Cheap flights from Luxembourg to Ontario (ONT)

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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — ONT
Feb 15 — Feb 221
Sun 2/15
Sun 2/22
1 adult, Economy
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Cheap flight deals from Luxembourg to Ontario

Keep the following information in mind while searching for Luxembourg to Ontario flight deals. Data was last updated January 16, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$668
(British Airways)

One-way from

$464
(American Airlines)

Popular in

July

Cheapest in

May

Average price

$824
Provider with most accurate pricing for Luxembourg-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Luxembourg-Los Angeles flights.
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From Luxembourg to Ontario
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One-way flight from Luxembourg to Ontario
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Highest demand for flights based on searches. 6% potential increase in price ($49 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 January 2026
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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 January 16, 2026.

This British Airways deal was found by Cheapflights users on 1/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/910:50 am
LUX
-
ONT
2 stops19h 17m
British Airways
Mon 3/235:02 pm
ONT
-
LUX
2 stops20h 03m
British Airways
Deal found 1/15$668
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/109:30 am
LUX
-
ONT
2 stops22h 23m
United Airlines
Mon 2/166:10 am
ONT
-
LUX
2 stops25h 10m
United Airlines
Deal found 1/14$670
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:30 am
LUX
-
ONT
2 stops21h 06m
United Airlines
Tue 6/21:33 pm
ONT
-
LUX
2 stops20h 57m
United Airlines
Deal found 1/14$763
This British Airways deal was found by Cheapflights users on 1/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:05 pm
LUX
-
ONT
2 stops28h 17m
British Airways
Thu 4/912:19 pm
ONT
-
LUX
2 stops23h 06m
British Airways
Deal found 1/14$776
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:30 am
LUX
-
ONT
2 stops21h 06m
United Airlines
Mon 6/81:33 pm
ONT
-
LUX
2 stops20h 57m
United Airlines
Deal found 1/14$867
This British Airways deal was found by Cheapflights users on 1/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/611:00 am
LUX
-
ONT
2 stops20h 29m
British Airways
Sat 3/215:02 pm
ONT
-
LUX
2 stops16h 28m
British Airways
Deal found 1/15$874
This American Airlines deal was found by Cheapflights users on 1/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2912:15 pm
LUX
-
ONT
2 stops29h 34m
American Airlines
Wed 4/812:19 pm
ONT
-
LUX
2 stops23h 01m
American Airlines
Deal found 1/14$966
This British Airways deal was found by Cheapflights users on 1/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3011:00 am
LUX
-
ONT
2 stops20h 13m
British Airways
Thu 2/127:00 am
ONT
-
LUX
2 stops18h 15m
British Airways
Deal found 1/14$981
This British Airways deal was found by Cheapflights users on 1/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:10 pm
LUX
-
ONT
2 stops27h 12m
British Airways
Fri 4/104:52 pm
ONT
-
LUX
2 stops31h 28m
British Airways
Deal found 1/14$985
This United Airlines deal was found by Cheapflights users on 1/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:20 am
LUX
-
ONT
2 stops18h 27m
United Airlines
Sat 5/161:28 pm
ONT
-
LUX
2 stops21h 02m
United Airlines
Deal found 1/15$1,047
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/308:25 am
LUX
-
ONT
2 stops21h 11m
United Airlines
Sat 4/116:49 pm
ONT
-
LUX
3 stops36h 26m
United Airlines
Deal found 1/14$1,048

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 January 16, 2026.
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

Mon 3/9

10:50 am-10:07 pm

2 stops19h 17m

Ontario

Mon 3/23

5:02 pm-9:05 pm

2 stops20h 03m

$668

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Tue 2/10

9:30 am-10:53 pm

2 stops22h 23m

Ontario

Mon 2/16

6:10 am-4:20 pm

2 stops25h 10m

$670

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Thu 3/26

9:30 am-10:36 pm

2 stops21h 06m

Ontario

Fri 4/17

11:05 am-7:30 pm

2 stops23h 25m

$763

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Thu 3/26

9:30 am-10:36 pm

2 stops21h 06m

Ontario

Tue 6/2

1:33 pm-7:30 pm

2 stops20h 57m

$763

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Mon 3/30

9:05 pm-4:22 pm

2 stops28h 17m

Ontario

Thu 4/9

12:19 pm-8:25 pm

2 stops23h 06m

$776

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Thu 3/26

9:30 am-10:36 pm

2 stops21h 06m

Ontario

Mon 6/8

1:33 pm-7:30 pm

2 stops20h 57m

$867

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Fri 3/6

11:00 am-10:29 pm

2 stops20h 29m

Ontario

Sat 3/21

5:02 pm-5:30 pm

2 stops16h 28m

$874

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Sun 3/29

12:15 pm-8:49 am

2 stops29h 34m

Ontario

Wed 4/8

12:19 pm-8:20 pm

2 stops23h 01m

$966

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Fri 1/30

11:00 am-10:13 pm

2 stops20h 13m

Ontario

Thu 2/12

7:00 am-10:15 am

2 stops18h 15m

$981

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Tue 3/31

10:10 pm-4:22 pm

2 stops27h 12m

Ontario

Fri 4/10

4:52 pm-9:20 am

2 stops31h 28m

$985

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 23 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, 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 $673). 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.

  • What airport do you fly into for flights to Ontario from Luxembourg?

    Ontario (ONT) is the airport you will fly into if you book a flight from Luxembourg to Ontario. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

  • How long is the flight from Luxembourg to Ontario?

    A quick flight from Luxembourg to Ontario can take about 19h 17m. British Airways provides one of the quickest options available for as low as $668. There are 5706 mi between Luxembourg and Ontario. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $67. Users have also found prices from $92 and $118 on American Airlines and Southwest, respectively.

  • 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 $673). 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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