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Luxembourg

$292+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LUX
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap 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 February 19, 2026.

This United Airlines deal was found by Cheapflights users on 2/19. 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 4/281:34 pm
ONT
-
LUX
2 stops41h 36m
United Airlines
Fri 5/88:20 am
LUX
-
ONT
2 stops34h 21m
United Airlines
Deal found 2/19$489
This British Airways deal was found by Cheapflights users on 2/16. 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.
Wed 4/15:02 pm
ONT
-
LUX
2 stops18h 13m
British Airways
Thu 4/911:45 am
LUX
-
ONT
2 stops19h 14m
British Airways
Deal found 2/16$531
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/245:15 am
ONT
-
LUX
2 stops27h 05m
United Airlines
Sun 4/59:35 am
LUX
-
ONT
2 stops22h 10m
United Airlines
Deal found 2/17$580
This British Airways deal was found by Cheapflights users on 2/18. 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 3/3011:58 pm
ONT
-
LUX
2 stops25h 42m
British Airways
Mon 4/1311:45 am
LUX
-
ONT
2 stops19h 14m
British Airways
Deal found 2/18$669
This United Airlines deal was found by Cheapflights users on 2/17. 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 4/2111:05 am
ONT
-
LUX
2 stops20h 05m
United Airlines
Tue 4/289:40 am
LUX
-
ONT
2 stops17h 22m
United Airlines
Deal found 2/17$681
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Fri 2/279:08 pm
ONT
-
LUX
2 stops37h 22m
United Airlines
Tue 3/109:30 am
LUX
-
ONT
2 stops20h 48m
United Airlines
Deal found 2/15$697
This British Airways deal was found by Cheapflights users on 2/15. 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.
Wed 2/252:39 pm
ONT
-
LUX
2 stops17h 11m
British Airways
Mon 3/910:50 am
LUX
-
ONT
2 stops21h 09m
British Airways
Deal found 2/15$775
This United Airlines deal was found by Cheapflights users on 2/16. 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 4/51:34 pm
ONT
-
LUX
2 stops17h 41m
United Airlines
Tue 4/148:30 am
LUX
-
ONT
2 stops21h 06m
United Airlines
Deal found 2/16$777
This United Airlines deal was found by Cheapflights users on 2/17. 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 8/11:33 pm
ONT
-
LUX
2 stops20h 57m
United Airlines
Mon 8/318:25 am
LUX
-
ONT
2 stops18h 22m
United Airlines
Deal found 2/17$803
This United Airlines deal was found by Cheapflights users on 2/18. 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 4/911:05 am
ONT
-
LUX
2 stops23h 25m
United Airlines
Wed 4/159:40 am
LUX
-
ONT
2 stops21h 46m
United Airlines
Deal found 2/18$880
This British Airways deal was found by Cheapflights users on 2/15. 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 2/267:00 am
ONT
-
LUX
2 stops18h 15m
British Airways
Mon 3/910:50 am
LUX
-
ONT
2 stops21h 09m
British Airways
Deal found 2/15$903
This British Airways deal was found by Cheapflights users on 2/17. 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 2/197:00 am
ONT
-
LUX
2 stops29h 10m
British Airways
Mon 2/235:10 pm
LUX
-
ONT
2 stops38h 39m
British Airways
Deal found 2/17$975

Find flight deals from Ontario to Luxembourg

Keep the following information in mind while searching for Ontario to Luxembourg flight deals. Data was last updated February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$489
(United Airlines)

One-way from

$292
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$782
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. 11% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($59 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 19, 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

Wed 4/1

5:02 pm-8:15 pm

2 stops18h 13m

Luxembourg

Thu 4/9

11:45 am-9:59 pm

2 stops19h 14m

$531

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Tue 3/24

5:15 am-4:20 pm

2 stops27h 05m

Luxembourg

Sun 4/5

9:35 am-10:45 pm

2 stops22h 10m

$580

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Mon 3/30

11:58 pm-10:40 am

2 stops25h 42m

Luxembourg

Mon 4/13

11:45 am-9:59 pm

2 stops19h 14m

$669

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Tue 4/21

11:05 am-4:10 pm

2 stops20h 05m

Luxembourg

Tue 4/28

9:40 am-6:02 pm

2 stops17h 22m

$681

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sun 4/5

1:34 pm-4:15 pm

2 stops17h 41m

Luxembourg

Tue 4/14

8:30 am-8:36 pm

2 stops21h 06m

$777

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sat 8/1

1:33 pm-7:30 pm

2 stops20h 57m

Luxembourg

Mon 8/31

8:25 am-5:47 pm

2 stops18h 22m

$803

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Thu 4/9

11:05 am-7:30 pm

2 stops23h 25m

Luxembourg

Wed 4/15

9:40 am-10:26 pm

2 stops21h 46m

$880

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Thu 3/19

10:56 am-10:15 am

2 stops15h 19m

Luxembourg

Thu 3/26

11:00 am-10:07 pm

2 stops19h 07m

$1,028

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Fri 3/27

7:00 am-8:20 am

2 stops41h 20m

Luxembourg

Thu 4/2

9:05 pm-10:07 pm

2 stops34h 02m

$1,135

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Wed 5/13

4:52 pm-8:15 pm

2 stops18h 23m

Luxembourg

Tue 6/16

11:30 am-9:57 pm

2 stops19h 27m

$1,228

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

Showing 1-10 of 23 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, 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 $913). 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 18h 13m. Your travel time can differ by up to 8h 52m. 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 ($76), American Airlines ($118), and Southwest ($129).

  • 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 $913). 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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