HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luxembourg

$489+ Cheap flights from Ontario (ONT) to Luxembourg

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LUX
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
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 November 17, 2025.

This United Airlines deal was found by Cheapflights users on 11/15. 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.
Mon 11/171:29 pmONT - LUX
2 stops17h 51mUnited Airlines
Tue 12/29:30 amLUX - ONT
2 stops17h 07mUnited Airlines
Deal found 11/15$1,630

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 November 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$489
(Orbitz)

Popular in

June

Cheapest in

January

Average price

$894
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
Highest demand for flights based on searches. 17% potential increase in price ($166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 17, 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

Sat 1/10

4:45 pm-5:30 pm

2 stops15h 45m

Luxembourg

Fri 1/23

11:00 am-10:13 pm

2 stops20h 13m

$489

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sat 1/10

4:45 pm-5:30 pm

2 stops15h 45m

Luxembourg

Wed 1/21

11:00 am-10:48 pm

2 stops20h 48m

$673

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Thu 1/8

7:16 am-10:15 am

2 stops17h 59m

Luxembourg

Sat 1/24

11:20 am-10:48 pm

2 stops20h 28m

$889

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Fri 3/27

10:57 am-10:30 am

2 stops15h 33m

Luxembourg

Tue 3/31

10:05 pm-10:02 pm

2 stops32h 57m

$1,215

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sun 1/11

1:46 pm-4:20 pm

2 stops17h 34m

Luxembourg

Thu 1/22

11:00 am-10:13 pm

2 stops20h 13m

$1,441

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Wed 12/10

5:05 am-4:20 pm

2 stops26h 15m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

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, March is the cheapest month in which you can book a flight from Ontario to Luxembourg (average of $477). 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?

    British Airways and American Airlines can get you from Ontario to Luxembourg in just under 15h 33m. Your travel time can differ by up to 12m. 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, March is the cheapest month in which you can book a flight from Ontario to Luxembourg (average of $477). 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 Leonardo da Vinci/Fiumicino flights
Los Angeles to Istanbul flights
Los Angeles to Orly flights
Los Angeles to Gatwick flights
San Francisco to Istanbul flights
Los Angeles to London City flights
Los Angeles to Madrid flights
San Francisco to Leonardo da Vinci/Fiumicino flights
San Francisco to Gatwick flights
Los Angeles to Frankfurt flights
San Francisco to London City flights
San Francisco to Barcelona-El Prat flights
San Francisco to Frankfurt flights
San Francisco to Lisbon flights
Los Angeles to Barcelona-El Prat flights
Los Angeles to Zurich flights
Los Angeles to Stansted flights
Los Angeles to Dublin flights
Ontario to Charles de Gaulle flights
Los Angeles to Amsterdam flights
San Francisco to Zurich flights
San Francisco to Dublin flights
San Diego to Heathrow flights
Ontario to Heathrow flights
San Francisco to Amsterdam flights
Los Angeles to Lisbon flights
Los Angeles to Luton flights
San Francisco to Madrid flights
San Francisco to Munich flights
Los Angeles to Copenhagen flights
Los Angeles to Athens flights
San Francisco to Stansted flights
Los Angeles to Sabiha Gokcen flights
Los Angeles to Malpensa flights
San Francisco to Malpensa flights
Los Angeles to Beauvais-Tille flights
San Francisco to Orly flights
Ontario to Leonardo da Vinci/Fiumicino flights
Santa Ana to Charles de Gaulle flights
Santa Ana to Heathrow flights
San Francisco to Linate flights
Los Angeles to Palma de Mallorca flights
Los Angeles to Munich flights
Los Angeles to Linate flights
San Francisco to Sabiha Gokcen flights
Ontario to Palma de Mallorca 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.