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$450+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LUX
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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 October 16, 2025.

This United deal was found by Cheapflights users on 10/16. 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.
Wed 10/295:05 amONT - LUX
2 stops27h 15mMultiple Airlines
Tue 11/118:20 amLUX - ONT
2 stops18h 14mMultiple Airlines
Deal found 10/16$833
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Sun 12/2111:59 pmONT - LUX
2 stops31h 21mUnited Airlines
Sat 1/39:30 amLUX - ONT
2 stops20h 37mUnited Airlines
Deal found 10/16$1,940
This Gotogate deal was found by Cheapflights users on 10/16. 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.
Tue 12/237:10 amONT - LUX
2 stops18h 05mBritish Airways
Fri 1/911:00 amLUX - ONT
2 stops20h 01mBritish Airways
Deal found 10/16$1,949
This Gotogate deal was found by Cheapflights users on 10/16. 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 12/224:44 pmONT - LUX
2 stops19h 21mBritish Airways
Sun 1/46:15 pmLUX - ONT
2 stops33h 01mBritish Airways
Deal found 10/16$2,669
This lastminute.com deal was found by Cheapflights users on 10/16. 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.
Mon 12/2211:15 amONT - LUX
2 stops18h 00mMultiple Airlines
Sun 1/47:30 amLUX - ONT
2 stops17h 53mMultiple Airlines
Deal found 10/16$3,116
This United deal was found by Cheapflights users on 10/16. 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.
Sun 12/211:40 pmONT - LUX
2 stops14h 55mMultiple Airlines
Sat 1/39:30 amLUX - ONT
2 stops20h 37mMultiple Airlines
Deal found 10/16$3,398
This British Airways deal was found by Cheapflights users on 10/16. 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 12/212:42 pmONT - LUX
2 stops16h 38mBritish Airways
Fri 1/211:00 amLUX - ONT
2 stops19h 52mBritish Airways
Deal found 10/16$3,945
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Tue 12/21:34 pmONT - LUX
2 stops17h 46mUnited Airlines
Tue 12/239:30 amLUX - ONT
2 stops21h 55mUnited Airlines
Deal found 10/15$4,022
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Mon 12/11:29 pmONT - LUX
2 stops41h 51mUnited Airlines
Tue 12/239:30 amLUX - ONT
2 stops21h 55mUnited Airlines
Deal found 10/15$4,040
This United Airlines deal was found by Cheapflights users on 10/14. 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 12/91:34 pmONT - LUX
2 stops17h 46mUnited Airlines
Sat 12/209:30 amLUX - ONT
2 stops21h 22mUnited Airlines
Deal found 10/14$5,217
This Booking.com deal was found by Cheapflights users on 10/16. 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
Sat 12/2011:20 amLUX - ONT
2 stops19h 54mBritish Airways
Deal found 10/16$5,266

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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$563
(Mytrip)

One-way from

$450
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$761
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
One-way flight from Ontario to Luxembourg
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($159 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 16, 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

Tue 2/3

4:49 pm-9:10 pm

2 stops19h 21m

Luxembourg

Tue 2/17

10:15 am-9:40 pm

2 stops20h 25m

$563

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Wed 3/11

1:45 pm-4:20 pm

2 stops18h 35m

Luxembourg

Wed 3/25

9:30 am-8:30 pm

2 stops19h 00m

$588

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Wed 10/29

5:05 am-4:20 pm

2 stops27h 15m

Luxembourg

Tue 11/11

8:20 am-5:34 pm

2 stops18h 14m

$833

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Fri 3/27

6:00 am-10:30 am

2 stops20h 30m

Luxembourg

Tue 3/31

10:05 pm-11:43 pm

2 stops34h 38m

$837

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sun 12/21

11:59 pm-4:20 pm

2 stops31h 21m

Luxembourg

Sat 1/3

9:30 am-9:07 pm

2 stops20h 37m

$1,940

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Mon 12/22

4:44 pm-9:05 pm

2 stops19h 21m

Luxembourg

Sun 1/4

6:15 pm-6:16 pm

2 stops33h 01m

$2,669

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Mon 12/22

11:15 am-2:15 pm

2 stops18h 00m

Luxembourg

Sun 1/4

7:30 am-4:23 pm

2 stops17h 53m

$3,116

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sun 12/21

1:40 pm-1:35 pm

2 stops14h 55m

Luxembourg

Sat 1/3

9:30 am-9:07 pm

2 stops20h 37m

$3,398

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sun 12/21

2:42 pm-4:20 pm

2 stops16h 38m

Luxembourg

Fri 1/2

11:00 am-9:52 pm

2 stops19h 52m

$3,945

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Tue 12/2

1:34 pm-4:20 pm

2 stops17h 46m

Luxembourg

Tue 12/23

9:30 am-10:25 pm

2 stops21h 55m

$4,022

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 17 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
No data available for this route at this time. Please check back soon.

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, United Airlines, and American Airlines can get you from Ontario to Luxembourg in just under 18h 35m. Your travel time can differ by up to 1h 55m. 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.

See more FAQs

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