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Cheap flights from Ontario to Luxembourg from $489

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Luxembourg departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Luxembourg

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:05 am - 4:20 pm
ONT
-
LUX
26h 15m2 stops
United Airlines Logo
9:30 am - 5:43 pm
LUX
-
ONT
17h 13m2 stops
$489United Airlines
Tue, Feb 3 - Tue, Feb 10
United Airlines Logo
1:24 pm - 4:20 pm
ONT
-
LUX
41h 56m2 stops
United Airlines Logo
9:30 am - 8:58 pm
LUX
-
ONT
20h 28m2 stops
$579United Airlines
Wed, Feb 4 - Wed, Feb 11
United Airlines Logo
1:53 pm - 4:20 pm
ONT
-
LUX
41h 27m2 stops
United Airlines Logo
9:30 am - 10:53 pm
LUX
-
ONT
22h 23m2 stops
$695United Airlines
Fri, Jan 16 - Sat, Jan 24
British Airways Logo
7:16 am - 9:10 pm
ONT
-
LUX
28h 54m2 stops
British Airways Logo
9:55 pm - 6:45 pm
LUX
-
ONT
29h 50m2 stops
$817British Airways
Thu, Jan 29 - Mon, Feb 2
Multiple Airlines Logo
7:16 am - 10:30 am
ONT
-
LUX
18h 14m2 stops
Multiple Airlines Logo
11:00 am - 10:48 pm
LUX
-
ONT
20h 48m2 stops
$898Multiple Airlines
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
10:58 am - 5:30 pm
ONT
-
LUX
21h 32m2 stops
Multiple Airlines Logo
11:00 am - 10:48 pm
LUX
-
ONT
20h 48m2 stops
$1,474Multiple Airlines
Sat, Jan 17 - Fri, Jan 30
British Airways Logo
3:19 pm - 4:50 pm
ONT
-
LUX
16h 31m2 stops
British Airways Logo
6:15 pm - 4:24 pm
LUX
-
ONT
31h 09m2 stops
$5,991British Airways
Wed, Feb 18 - Sun, Mar 1

United Airlines flights from Ontario to Luxembourg

Our best United Airlines deals on Ontario to Luxembourg flight tickets
United Airlines
Feb 3
ONT5:05 amOntario
26h 15m
2 stops
LUX4:20 pmLuxembourg
Feb 10
LUX9:30 amLuxembourg
17h 13m
2 stops
ONT5:43 pmOntario
$489
Find similar
United Airlines
Feb 4
ONT1:24 pmOntario
41h 56m
2 stops
LUX4:20 pmLuxembourg
Feb 11
LUX9:30 amLuxembourg
20h 28m
2 stops
ONT8:58 pmOntario
$579
Find similar
United Airlines
Jan 16
ONT1:53 pmOntario
41h 27m
2 stops
LUX4:20 pmLuxembourg
Jan 24
LUX9:30 amLuxembourg
22h 23m
2 stops
ONT10:53 pmOntario
$695
Find similar

British Airways flights from Ontario to Luxembourg

Our best British Airways deals on Ontario to Luxembourg flight tickets
British Airways
Jan 29
ONT7:16 amOntario
28h 54m
2 stops
LUX9:10 pmLuxembourg
Feb 2
LUX9:55 pmLuxembourg
29h 50m
2 stops
ONT6:45 pmOntario
$817
Find similar
British Airways
Feb 18
ONT3:19 pmOntario
16h 31m
2 stops
LUX4:50 pmLuxembourg
Mar 1
LUX6:15 pmLuxembourg
31h 09m
2 stops
ONT4:24 pmOntario
$5,991
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 21, 2025.
Use the filters below to find and compare flights from Ontario to Luxembourg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Tue 2/3

5:05 am-4:20 pm

2 stops26h 15m

Luxembourg

Tue 2/10

9:30 am-5:43 pm

2 stops17h 13m

$489

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Wed 2/4

1:24 pm-4:20 pm

2 stops41h 56m

Luxembourg

Wed 2/11

9:30 am-8:58 pm

2 stops20h 28m

$579

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Fri 1/16

1:53 pm-4:20 pm

2 stops41h 27m

Luxembourg

Sat 1/24

9:30 am-10:53 pm

2 stops22h 23m

$695

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Thu 1/29

7:16 am-9:10 pm

2 stops28h 54m

Luxembourg

Mon 2/2

9:55 pm-6:45 pm

2 stops29h 50m

$817

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Fri 1/16

7:16 am-10:30 am

2 stops18h 14m

Luxembourg

Fri 1/23

11:00 am-10:48 pm

2 stops20h 48m

$898

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sat 1/17

10:58 am-5:30 pm

2 stops21h 32m

Luxembourg

Fri 1/30

11:00 am-10:48 pm

2 stops20h 48m

$1,474

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Wed 2/18

3:19 pm-4:50 pm

2 stops16h 31m

Luxembourg

Sun 3/1

6:15 pm-4:24 pm

2 stops31h 09m

$5,991

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Luxembourg from

How to get the cheapest flight ticket from Ontario to Luxembourg

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Luxembourg?

On average, the least expensive day to fly to Luxembourg from Ontario is on a Thursday. momondo users have found tickets for Thursday departures for as low as $858. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Luxembourg on Friday is $1,100.

What is the cheapest time of day to depart on your flight to Luxembourg?

According to our data, the cheapest time of day to fly to Luxembourg is at noon. momondo users have found flights departing from Ontario to Luxembourg at noon for as low as $885. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $963.

When to book flights from Ontario to Luxembourg

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Luxembourg according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Luxembourg (ONT to LUX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Luxembourg

Fastest flight time

16h 57m

Direct flights

None
The fastest flight from Ontario to Luxembourg takes 16h 57m
There are no direct flights from Ontario to Luxembourg. There are no popular flight routes from Ontario to Luxembourg.
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  • How far is Ontario to Luxembourg by plane?

    The straight-line distance from Ontario to Luxembourg is 5705.7 mi. A reasonable flight in good conditions will take 16h 57m.

  • When did momondo last update prices for flights from Ontario Airport to Luxembourg Airport?

    Prices for flights from Ontario Airport to Luxembourg Airport are updated daily.

  • How old do you have to be to fly from Ontario Airport to Luxembourg Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Luxembourg Airport.

  • What documentation or ID do you need to fly to Luxembourg Airport?

    The necessary travel and health documents for your Luxembourg Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Luxembourg?

Book flights to Luxembourg if you plan to visit one of these locations
Esch-sur-Alzette
Clervaux

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Luxembourg?

Finding the right flight to Luxembourg from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Luxembourg quick and easy, saving you time and money.

Can I find flights from Ontario to Luxembourg with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Luxembourg flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Luxembourg?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Luxembourg.

I’m not ready to book a flight from Ontario to Luxembourg right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Luxembourg flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Luxembourg trip

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Find better results for your trip to Luxembourg

Fly your favorite airline to Luxembourg

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Lufthansa
SWISS
KLM
Delta
United Airlines