HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luxembourg

$386+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LUX
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Luxembourg with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 1, 2025.

This British Airways deal was found by Cheapflights users on 11/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:59 pmONT - LUX
2 stops21h 06mBritish Airways
Wed 12/1011:00 amLUX - ONT
2 stops18h 03mBritish Airways
Deal found 11/30$1,977
This Booking.com deal was found by Cheapflights users on 12/1. 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.
Fri 12/1911:59 pmONT - LUX
2 stops32h 31mBritish Airways
Thu 1/111:00 amLUX - ONT
2 stops19h 52mBritish Airways
Deal found 12/1$3,632

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 December 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$488
(Delta)

One-way from

$386
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$1,086
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. 13% potential increase in price ($133 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 1, 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

Thu 1/29

7:30 am-10:25 am

2 stops41h 55m

Luxembourg

Mon 2/2

10:55 am-4:15 pm

2 stops38h 20m

$489

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Thu 1/29

10:30 pm-10:25 am

2 stops26h 55m

Luxembourg

Mon 2/2

6:20 pm-9:05 pm

2 stops35h 45m

$545

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sun 3/22

2:47 pm-4:20 pm

2 stops17h 33m

Luxembourg

Fri 4/3

11:25 am-10:07 pm

2 stops19h 42m

$886

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Thu 1/15

7:16 am-10:15 am

2 stops17h 59m

Luxembourg

Mon 1/19

9:55 pm-6:45 pm

2 stops29h 50m

$1,493

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Fri 12/19

11:59 pm-5:30 pm

2 stops32h 31m

Luxembourg

Thu 1/1

11:00 am-9:52 pm

2 stops19h 52m

$3,632

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Wed 1/28

3:09 pm-4:50 pm

2 stops16h 41m

Luxembourg

Sun 2/8

6:15 pm-6:45 pm

2 stops33h 30m

$5,503

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Wed 2/25

6:00 am-4:20 pm

2 stops25h 20m

$386

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Tue 12/9

1:50 pm-4:20 pm

2 stops41h 30m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

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 $436). Flying from Ontario to Luxembourg in June is currently the most expensive (average of $907). 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?

    Delta, KLM, and British Airways can get you from Ontario to Luxembourg in just under 17h 33m. Your travel time can differ by up to 9h 22m. 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.

  • 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 $436). Flying from Ontario to Luxembourg in June is currently the most expensive (average of $907). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Luxembourg

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
Los Angeles to Charles de Gaulle flights
San Francisco to Heathrow flights
San Francisco to Charles de Gaulle flights
Los Angeles to Istanbul flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
Los Angeles to Gatwick flights
Los Angeles to Orly flights
Los Angeles to Madrid flights
San Francisco to Leonardo da Vinci/Fiumicino flights
Los Angeles to London City flights
San Francisco to Gatwick flights
San Francisco to Istanbul flights
San Francisco to London City flights
Los Angeles to Lisbon flights
Los Angeles to Frankfurt flights
Los Angeles to Zurich flights
Los Angeles to Amsterdam flights
Los Angeles to Barcelona-El Prat flights
Los Angeles to Stansted flights
San Francisco to Frankfurt flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Dublin flights
San Diego to Heathrow flights
San Francisco to Lisbon flights
Ontario to Charles de Gaulle flights
San Francisco to Amsterdam flights
San Francisco to Zurich flights
San Francisco to Madrid flights
San Francisco to Malpensa flights
Ontario to Heathrow flights
Los Angeles to Malpensa flights
Santa Ana to Charles de Gaulle flights
San Francisco to Stansted flights
San Francisco to Dublin flights
Los Angeles to Sabiha Gokcen flights
San Francisco to Munich flights
Los Angeles to Luton flights
Los Angeles to Athens flights
Ontario to Leonardo da Vinci/Fiumicino flights
Los Angeles to Beauvais-Tille flights
San Francisco to Orly flights
Los Angeles to Copenhagen flights
Los Angeles to Munich flights
San Francisco to Linate flights
Los Angeles to Linate flights
Burbank to Charles de Gaulle flights
Santa Ana to Leonardo da Vinci/Fiumicino flights
San Francisco to Sabiha Gokcen flights
San Francisco to Athens flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.