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Luxembourg

$427+ Cheap flights from Ontario (ONT) 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LUX
Feb 15 — Feb 221
Sun 2/15
Sun 2/22
1 adult, Economy
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Cheap flight deals from Ontario to Luxembourg

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

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$491
(British Airways)

One-way from

$427
(British Airways)

Popular in

December

Cheapest in

January

Average price

$478
Provider with most accurate pricing for Los Angeles-Luxembourg flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Luxembourg flights.
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From Ontario to Luxembourg
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One-way flight from Ontario to Luxembourg
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Highest demand for flights based on searches. 9% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($56 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 Ontario to Luxembourg

Cheapest flights from Ontario to Luxembourg
Explore the most affordable flight options available from Ontario to Luxembourg. 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.
Thu 2/195:02 pm
ONT
-
LUX
2 stops32h 28m
British Airways
Mon 2/235:10 pm
LUX
-
ONT
2 stops38h 39m
British Airways
Deal found 1/15$491
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 1/264:45 pm
ONT
-
LUX
2 stops19h 20m
British Airways
Mon 2/910:50 am
LUX
-
ONT
2 stops20h 58m
British Airways
Deal found 1/15$773
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.
Sat 2/141:53 pm
ONT
-
LUX
2 stops20h 37m
United Airlines
Sat 2/219:30 am
LUX
-
ONT
2 stops21h 29m
United Airlines
Deal found 1/15$948
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:02 pm
ONT
-
LUX
2 stops19h 03m
British Airways
Fri 2/2711:00 am
LUX
-
ONT
2 stops21h 59m
British Airways
Deal found 1/14$1,132
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 1/194:45 pm
ONT
-
LUX
2 stops19h 20m
British Airways
Sun 1/256:15 pm
LUX
-
ONT
2 stops32h 07m
British Airways
Deal found 1/14$1,306
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 1/264:45 pm
ONT
-
LUX
2 stops19h 20m
British Airways
Sun 2/16:15 pm
LUX
-
ONT
2 stops32h 07m
British Airways
Deal found 1/14$2,713
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 4/211:05 am
ONT
-
LUX
2 stops20h 05m
United Airlines
Wed 4/89:40 am
LUX
-
ONT
2 stops19h 56m
United Airlines
Deal found 1/15$4,131
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.
Sat 3/142:39 pm
ONT
-
LUX
2 stops18h 51m
British Airways
Wed 3/2511:00 am
LUX
-
ONT
2 stops19h 19m
British Airways
Deal found 1/14$5,617

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 January 16, 2026.
Use the filters below to find and compare flights from Ontario to Luxembourg that are best for you.

Fly from

Ontario

Fly to

Luxembourg

Route

Depart

Return

Price

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Thu 2/19

6:00 am-10:30 am

2 stops43h 30m

Luxembourg

Mon 2/23

9:55 pm-10:49 pm

2 stops33h 54m

$491

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Mon 1/26

4:45 pm-9:05 pm

2 stops19h 20m

Luxembourg

Mon 2/9

10:50 am-10:48 pm

2 stops20h 58m

$773

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sat 2/14

1:53 pm-7:30 pm

2 stops20h 37m

Luxembourg

Sat 2/21

9:30 am-9:59 pm

2 stops21h 29m

$948

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Mon 2/23

5:02 pm-9:05 pm

2 stops19h 03m

Luxembourg

Fri 2/27

11:00 am-11:59 pm

2 stops21h 59m

$1,132

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Mon 1/26

4:45 pm-9:05 pm

2 stops19h 20m

Luxembourg

Sun 2/1

6:15 pm-5:22 pm

2 stops32h 07m

$2,713

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Thu 4/2

11:05 am-4:10 pm

2 stops20h 05m

Luxembourg

Wed 4/8

9:40 am-8:36 pm

2 stops19h 56m

$4,131

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sat 3/14

2:39 pm-5:30 pm

2 stops18h 51m

Luxembourg

Wed 3/25

11:00 am-10:19 pm

2 stops19h 19m

$5,617

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sat 2/14

5:02 pm-10:05 am

2 stops32h 03m

$427

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sat 2/14

1:53 pm-7:30 pm

2 stops20h 37m

$427

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Fri 2/13

1:50 pm-7:30 pm

2 stops44h 40m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 12 results
1
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Best time to book a flight from Ontario to Luxembourg

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

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Luxembourg (average of $439). Flying from Ontario to Luxembourg in June is currently the most expensive (average of $912). 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 Ontario to Luxembourg. 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 Ontario to Luxembourg?

    For a flight from Ontario to Luxembourg, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • How long is the flight from Ontario to Luxembourg?

    British Airways and United Airlines can get you from Ontario to Luxembourg in just under 20h 37m. Your travel time can differ by up to 22h 53m. Ontario and Luxembourg are separated by a distance of 5706 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 Ontario to Luxembourg one-way?

    The cheapest airlines for a one-way flight from Ontario to Luxembourg are Frontier ($65), American Airlines ($118), and Delta ($134).

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ontario to Luxembourg (average of $439). Flying from Ontario to Luxembourg in June is currently the most expensive (average of $912). 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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See prices for flight routes from nearby airports that may be better suited for you.
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