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Luxembourg

$488+ Cheap flights from Ontario (ONT) to Luxembourg

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LUX
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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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 November 10, 2025.

This United Airlines deal was found by Cheapflights users on 11/8. 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 12/91:34 pmONT - LUX
2 stops17h 46mUnited Airlines
Tue 12/169:30 amLUX - ONT
2 stops22h 19mUnited Airlines
Deal found 11/8$671
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/21:34 pmONT - LUX
2 stops17h 46mUnited Airlines
Tue 12/99:30 amLUX - ONT
2 stops22h 19mUnited Airlines
Deal found 11/8$685
This Gotogate deal was found by Cheapflights users on 11/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:47 pmONT - LUX
2 stops19h 18mBritish Airways
Mon 12/2210:50 amLUX - ONT
2 stops20h 06mBritish Airways
Deal found 11/9$1,240
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/81:34 pmONT - LUX
2 stops17h 46mUnited Airlines
Thu 12/119:30 amLUX - ONT
2 stops20h 12mUnited Airlines
Deal found 11/8$1,355
This Booking.com deal was found by Cheapflights users on 11/8. 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.
Tue 12/212:49 pmONT - LUX
2 stops17h 11mBritish Airways
Fri 12/511:00 amLUX - ONT
2 stops20h 28mBritish Airways
Deal found 11/8$1,386
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/91:34 pmONT - LUX
2 stops17h 46mUnited Airlines
Sat 12/139:30 amLUX - ONT
2 stops22h 19mUnited Airlines
Deal found 11/8$1,405
This Booking.com deal was found by Cheapflights users on 11/8. 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.
Tue 12/912:46 pmONT - LUX
2 stops17h 14mBritish Airways
Fri 12/1211:00 amLUX - ONT
2 stops20h 28mBritish Airways
Deal found 11/8$1,462
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Tue 12/231:40 pmONT - LUX
2 stops17h 40mUnited Airlines
Tue 12/309:30 amLUX - ONT
2 stops21h 55mUnited Airlines
Deal found 11/10$1,548
This Booking.com deal was found by Cheapflights users on 11/8. 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.
Sun 12/72:53 pmONT - LUX
2 stops16h 27mBritish Airways
Sat 12/1311:20 amLUX - ONT
2 stops20h 08mBritish Airways
Deal found 11/8$1,598
This United deal was found by Cheapflights users on 11/8. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/221:29 pmONT - LUX
2 stops17h 51mMultiple Airlines
Fri 11/2810:35 amLUX - ONT
2 stops18h 06mMultiple Airlines
Deal found 11/8$2,558
This British Airways deal was found by Cheapflights users on 11/8. 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 12/72:53 pmONT - LUX
2 stops16h 27mBritish Airways
Fri 12/1211:00 amLUX - ONT
2 stops18h 03mBritish Airways
Deal found 11/8$2,714

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 November 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$488
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$894
Provider with most accurate pricing for Los Angeles-Luxembourg flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Luxembourg flights.
Search Deals
From Ontario to Luxembourg
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($170 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 10, 2025.
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

Wed 1/7

1:53 pm-4:20 pm

2 stops41h 27m

Luxembourg

Wed 1/14

9:30 am-8:58 pm

2 stops20h 28m

$488

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Tue 12/9

1:34 pm-4:20 pm

2 stops17h 46m

Luxembourg

Tue 12/16

9:30 am-10:49 pm

2 stops22h 19m

$671

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Tue 12/2

1:34 pm-4:20 pm

2 stops17h 46m

Luxembourg

Tue 12/9

9:30 am-10:49 pm

2 stops22h 19m

$685

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Fri 3/27

1:00 pm-2:15 pm

2 stops17h 15m

Luxembourg

Tue 3/31

2:35 pm-10:38 pm

2 stops41h 03m

$1,144

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Fri 3/27

10:57 am-10:30 am

2 stops15h 33m

Luxembourg

Tue 3/31

11:30 am-10:02 pm

2 stops43h 32m

$1,216

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Mon 12/8

4:47 pm-9:05 pm

2 stops19h 18m

Luxembourg

Mon 12/22

10:50 am-9:56 pm

2 stops20h 06m

$1,240

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Mon 12/8

1:34 pm-4:20 pm

2 stops17h 46m

Luxembourg

Thu 12/11

9:30 am-8:42 pm

2 stops20h 12m

$1,355

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Tue 12/2

12:49 pm-3:00 pm

2 stops17h 11m

Luxembourg

Fri 12/5

11:00 am-10:28 pm

2 stops20h 28m

$1,386

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Tue 12/9

1:34 pm-4:20 pm

2 stops17h 46m

Luxembourg

Sat 12/13

9:30 am-10:49 pm

3 stops22h 19m

$1,405

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Tue 12/23

6:39 pm-4:20 pm

2 stops36h 41m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 11 results
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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, March is the cheapest month in which you can book a flight from Ontario to Luxembourg (average of $477). Flying from Ontario to Luxembourg in June is currently the most expensive (average of $907). 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?

    United Airlines and Delta can get you from Ontario to Luxembourg in just under 17h 15m. Your travel time can differ by up to 24h 12m. 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.

  • 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, March is the cheapest month in which you can book a flight from Ontario to Luxembourg (average of $477). Flying from Ontario to Luxembourg in June is currently the most expensive (average of $907). 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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