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$515+ Cheap flights from Ontario (ONT) to Luxembourg (LUX)

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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LUX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Luxembourg

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Luxembourg (LUX). 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 June 12, 2025.

Round-trip from

$734
(Delta)

One-way from

$515
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$1,238
From Ontario to Luxembourg
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One-way flight from Ontario to Luxembourg
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Highest demand for flights based on searches. 16% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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 12/911:29 amONT - LUX
2 stops17h 46mDelta
Fri 1/96:10 amLUX - ONT
2 stops25h 43mDelta
Deal found 6/11$734
This United deal was found by Cheapflights users on 6/11. 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 8/36:31 pmONT - LUX
2 stops40h 04mMultiple Airlines
Mon 8/182:30 pmLUX - ONT
2 stops17h 22mMultiple Airlines
Deal found 6/11$737
This British Airways deal was found by Cheapflights users on 6/11. 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 12/128:48 amONT - LUX
2 stops16h 42mBritish Airways
Thu 1/811:00 amLUX - ONT
2 stops20h 02mBritish Airways
Deal found 6/11$1,174
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/171:33 pmONT - LUX
2 stops21h 02mUnited Airlines
Thu 7/179:50 amLUX - ONT
2 stops22h 02mUnited Airlines
Deal found 6/10$1,656

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 June 12, 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 12/9

11:29 am-2:15 pm

2 stops17h 46m

Luxembourg

Fri 1/9

6:10 am-10:53 pm

2 stops25h 43m

$734

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sun 8/3

6:31 pm-7:35 pm

2 stops40h 04m

Luxembourg

Mon 8/18

2:30 pm-10:52 pm

2 stops17h 22m

$737

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Mon 8/11

1:34 pm-4:10 pm

2 stops17h 36m

Luxembourg

Fri 8/22

9:45 am-5:37 pm

2 stops16h 52m

$3,651

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Thu 6/26

8:15 am-10:25 am

2 stops17h 10m

Luxembourg

Sun 7/6

9:20 pm-6:08 pm

2 stops29h 48m

$12,741

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sun 7/27

5:05 am-4:10 pm

2 stops26h 05m

$515

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Fri 7/25

7:05 am-10:00 am

2 stops17h 55m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, February is the cheapest month in which you can book a flight from Ontario to Luxembourg (average of $638). Flying from Ontario to Luxembourg in June is currently the most expensive (average of $1,187). 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.

Rainfall in Luxembourg by month

Plan your trip to Luxembourg by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Luxembourg ranges from 2.0 - 2.8 inches per month. November is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Luxembourg when rainfall is around 2.0 in.

Temperature in Luxembourg by month

Plan your trip to Luxembourg by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Luxembourg, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Luxembourg

Get insights into the airlines that provide service to Luxembourg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luxembourg. Reviews last updated June 12, 2025.
To help decide which airline to fly from Ontario to Luxembourg, see what other customers have to say about Delta, United Airlines and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
7,008 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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, February is the cheapest month in which you can book a flight from Ontario to Luxembourg (average of $638). Flying from Ontario to Luxembourg in June is currently the most expensive (average of $1,187). 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.

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