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$633+ Cheap flights from Luxembourg 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — ONT
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$633
(Gotogate)

Popular in

July

Cheapest in

November

Average price

$704
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
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($50 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 October 2025
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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 October 16, 2025.

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:55 pmLUX - ONT
2 stops33h 34mAmerican Airlines
Tue 11/186:10 amONT - LUX
2 stops19h 05mAmerican Airlines
Deal found 10/16$642
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:00 amLUX - ONT
2 stops19h 59mBritish Airways
Thu 11/276:10 amONT - LUX
2 stops19h 05mBritish Airways
Deal found 10/15$661
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.
Fri 11/711:00 amLUX - ONT
2 stops20h 29mBritish Airways
Fri 11/146:10 amONT - LUX
2 stops19h 20mBritish Airways
Deal found 10/16$691
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/710:55 amLUX - ONT
2 stops20h 27mDelta
Sun 11/1612:16 pmONT - LUX
2 stops16h 59mDelta
Deal found 10/16$728
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amLUX - ONT
2 stops25h 55mDelta
Tue 11/187:05 amONT - LUX
2 stops18h 20mDelta
Deal found 10/14$737
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.
Thu 11/209:30 amLUX - ONT
2 stops22h 21mUnited Airlines
Thu 11/277:00 amONT - LUX
2 stops24h 20mUnited Airlines
Deal found 10/16$748
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.
Sat 11/89:30 amLUX - ONT
2 stops17h 04mUnited Airlines
Sun 11/161:30 pmONT - LUX
2 stops17h 50mUnited Airlines
Deal found 10/16$903
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:55 pmLUX - ONT
2 stops33h 34mMultiple Airlines
Sun 11/162:53 pmONT - LUX
2 stops16h 27mMultiple Airlines
Deal found 10/16$965
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:40 amLUX - ONT
2 stops19h 38mBritish Airways
Thu 10/238:15 amONT - LUX
2 stops17h 10mBritish Airways
Deal found 10/15$1,042

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 October 16, 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

Sun 3/1

6:15 pm-5:51 pm

2 stops32h 36m

Ontario

Mon 3/9

5:02 pm-9:05 pm

2 stops20h 03m

$633

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Fri 11/14

9:55 pm-10:29 pm

2 stops33h 34m

Ontario

Tue 11/18

6:10 am-10:15 am

2 stops19h 05m

$642

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Thu 11/13

11:00 am-9:59 pm

2 stops19h 59m

Ontario

Thu 11/27

6:10 am-10:15 am

2 stops19h 05m

$661

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Fri 3/13

11:00 am-11:43 pm

2 stops20h 43m

Ontario

Sat 3/21

5:02 pm-5:30 pm

2 stops16h 28m

$689

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Fri 11/7

11:00 am-10:29 pm

2 stops20h 29m

Ontario

Fri 11/14

6:10 am-10:30 am

2 stops19h 20m

$691

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Fri 11/14

6:00 am-10:55 pm

2 stops25h 55m

Ontario

Tue 11/18

7:05 am-10:25 am

2 stops18h 20m

$737

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Thu 11/20

9:30 am-10:51 pm

2 stops22h 21m

Ontario

Thu 11/27

7:00 am-4:20 pm

2 stops24h 20m

$748

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Sat 3/14

6:00 am-5:15 pm

2 stops19h 15m

Ontario

Thu 3/19

1:00 pm-5:50 pm

2 stops20h 50m

$782

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Fri 3/13

6:00 am-5:15 pm

2 stops19h 15m

Ontario

Thu 3/19

1:00 pm-5:50 pm

2 stops20h 50m

$834

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Sat 11/8

9:30 am-5:34 pm

2 stops17h 04m

Ontario

Sun 11/16

1:30 pm-4:20 pm

2 stops17h 50m

$903

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 17 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, April is the cheapest month in which you can book a flight from Luxembourg to Ontario (average of $476). Flying from Luxembourg to Ontario in July is currently the most expensive (average of $647). 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 32h 36m. British Airways provides one of the quickest options available for as low as $633. There are 5706 mi between Luxembourg and Ontario. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, April is the cheapest month in which you can book a flight from Luxembourg to Ontario (average of $476). Flying from Luxembourg to Ontario in July is currently the most expensive (average of $647). 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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