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Luxembourg

$368+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LUX
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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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 June 30, 2025.

Round-trip from

$650
(United)

One-way from

$368
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,200
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 ($166 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 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 30, 2025.

This United deal was found by Cheapflights users on 6/30. 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 8/105:05 amONT - LUX
2 stops26h 05mMultiple Airlines
Tue 8/268:15 amLUX - ONT
2 stops18h 22mMultiple Airlines
Deal found 6/30$650
This United Airlines deal was found by Cheapflights users on 6/30. 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 8/37:00 amONT - LUX
2 stops17h 15mUnited Airlines
Tue 8/199:50 amLUX - ONT
2 stops20h 35mUnited Airlines
Deal found 6/30$667

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 30, 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

Sun 8/10

5:05 am-4:10 pm

2 stops26h 05m

Luxembourg

Tue 8/26

8:15 am-5:37 pm

2 stops18h 22m

$650

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sun 8/3

7:00 am-9:15 am

2 stops17h 15m

Luxembourg

Tue 8/19

9:50 am-9:25 pm

2 stops20h 35m

$667

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sat 10/18

12:59 am-12:50 pm

3 stops50h 51m

$368

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Mon 8/11

8:14 am-10:40 am

2 stops17h 26m

$498

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Mon 8/11

7:00 am-9:15 am

2 stops17h 15m

$515

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sat 8/16

1:15 pm-5:25 pm

2 stops19h 10m

$588

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Fri 8/15

11:59 pm-8:35 pm

2 stops35h 36m

$1,083

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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 $1,175). 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.

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 30, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Ontario to Luxembourg to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

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
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

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
8,852 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

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
7,081 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

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.

  • 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.

  • 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 British Airways ($498), United Airlines ($515), and Delta ($588).

  • 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 $1,175). 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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