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Ontario

$681+ Cheap flights from Luxembourg (LUX) 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — ONT
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 3/189:30 am
LUX
-
ONT
2 stops21h 27m
United Airlines
Mon 3/231:50 pm
ONT
-
LUX
2 stops18h 30m
United Airlines
Deal found 1/27$681
This Delta deal was found by Cheapflights users on 1/24. 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.
Tue 3/310:55 am
LUX
-
ONT
2 stops19h 10m
Delta
Tue 3/1712:57 pm
ONT
-
LUX
2 stops17h 13m
Delta
Deal found 1/24$695
This lastminute.com deal was found by Cheapflights users on 1/26. 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.
Wed 2/411:00 am
LUX
-
ONT
2 stops32h 08m
British Airways
Sun 2/87:16 am
ONT
-
LUX
2 stops24h 04m
British Airways
Deal found 1/26$699
This United Airlines deal was found by Cheapflights users on 1/24. 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 3/79:30 am
LUX
-
ONT
2 stops22h 21m
United Airlines
Sun 3/156:37 pm
ONT
-
LUX
2 stops37h 43m
United Airlines
Deal found 1/24$723
This United Airlines deal was found by Cheapflights users on 1/27. 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 4/219:40 am
LUX
-
ONT
2 stops21h 46m
United Airlines
Fri 4/241:27 pm
ONT
-
LUX
2 stops21h 03m
United Airlines
Deal found 1/27$877
This United Airlines deal was found by Cheapflights users on 1/25. 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 3/309:40 am
LUX
-
ONT
2 stops22h 05m
United Airlines
Tue 5/191:30 pm
ONT
-
LUX
2 stops21h 00m
United Airlines
Deal found 1/25$879
This United Airlines deal was found by Cheapflights users on 1/24. 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 9/109:40 am
LUX
-
ONT
2 stops21h 46m
United Airlines
Sun 9/201:00 pm
ONT
-
LUX
2 stops18h 15m
United Airlines
Deal found 1/24$918
This British Airways deal was found by Cheapflights users on 1/26. 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 9/711:45 am
LUX
-
ONT
2 stops19h 29m
British Airways
Sat 10/314:59 pm
ONT
-
LUX
2 stops16h 31m
British Airways
Deal found 1/26$1,023
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 4/39:40 am
LUX
-
ONT
2 stops22h 05m
United Airlines
Fri 4/107:00 am
ONT
-
LUX
2 stops39h 45m
United Airlines
Deal found 1/26$1,105
This Turkish Airlines deal was found by Cheapflights users on 1/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:35 pm
LUX
-
ONT
2 stops60h 34m
Turkish Airlines
Tue 5/2611:25 pm
ONT
-
LUX
2 stops25h 00m
Turkish Airlines
Deal found 1/27$1,180
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 8/79:40 am
LUX
-
ONT
2 stops20h 41m
United Airlines
Sun 8/161:00 pm
ONT
-
LUX
2 stops18h 15m
United Airlines
Deal found 1/26$1,286
This British Airways deal was found by Cheapflights users on 1/26. 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 2/2011:00 am
LUX
-
ONT
2 stops20h 07m
British Airways
Thu 3/57:00 am
ONT
-
LUX
2 stops18h 15m
British Airways
Deal found 1/26$1,380

Find flight deals from Luxembourg to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Luxembourg (LUX) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$681
(United Airlines)

Popular in

July

Cheapest in

May

Average price

$824
Provider with most accurate pricing for Luxembourg-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Luxembourg-Ontario flights.
Search Deals
From Luxembourg to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 27, 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

Wed 3/18

9:30 am-10:57 pm

2 stops21h 27m

Ontario

Mon 3/23

1:50 pm-4:20 pm

2 stops18h 30m

$681

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Mon 3/9

6:00 am-5:12 pm

2 stops19h 12m

Ontario

Mon 3/16

1:20 pm-2:15 pm

2 stops16h 55m

$695

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Sat 3/7

10:55 am-9:05 pm

2 stops19h 10m

Ontario

Tue 3/17

12:57 pm-2:10 pm

2 stops17h 13m

$695

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Sat 3/7

10:55 am-9:05 pm

2 stops19h 10m

Ontario

Mon 3/16

11:59 am-2:15 pm

2 stops18h 16m

$695

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Tue 3/3

10:55 am-9:05 pm

2 stops19h 10m

Ontario

Mon 3/16

1:20 pm-2:15 pm

2 stops16h 55m

$695

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Tue 3/3

10:55 am-9:05 pm

2 stops19h 10m

Ontario

Tue 3/17

12:57 pm-2:10 pm

2 stops17h 13m

$695

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Thu 3/5

6:00 am-4:02 pm

2 stops19h 02m

Ontario

Tue 3/17

12:57 pm-2:10 pm

2 stops17h 13m

$695

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Mon 3/9

6:00 am-5:12 pm

2 stops19h 12m

Ontario

Tue 3/17

12:57 pm-2:10 pm

2 stops17h 13m

$695

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Thu 3/5

6:00 am-4:02 pm

2 stops19h 02m

Ontario

Mon 3/16

11:59 am-2:15 pm

2 stops18h 16m

$695

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Sat 3/7

9:30 am-10:51 pm

2 stops22h 21m

Ontario

Sun 3/15

6:37 pm-4:20 pm

2 stops37h 43m

$723

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 14 results
1
2
  • Most accurate provider: When it comes to deals on Luxembourg-Ontario flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Luxembourg-Ontario flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Luxembourg-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Luxembourg-Ontario flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Luxembourg-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

  • How long is the flight from Luxembourg to Ontario?

    A quick flight from Luxembourg to Ontario can take about 19h 12m. United Airlines provides one of the quickest options available for as low as $695. 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, 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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