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Cheap flights from Ontario to Luxembourg from $569

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Luxembourg departing on 5/12. 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
1 adult, Economy, 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
6:00 am - 7:30 pm
ONT
-
LUX
28h 30m
2 stops
United Airlines Logo
8:30 am - 10:35 pm
LUX
-
ONT
23h 05m
2 stops
$734United Airlines
Mon, May 4 - Tue, May 12
United Airlines Logo
1:30 pm - 7:30 pm
ONT
-
LUX
21h 00m
2 stops
United Airlines Logo
9:40 am - 5:52 pm
LUX
-
ONT
17h 12m
2 stops
$736United Airlines
Wed, May 6 - Wed, May 13
British Airways Logo
12:19 pm - 10:40 am
ONT
-
LUX
37h 21m
2 stops
British Airways Logo
9:05 pm - 8:54 pm
LUX
-
ONT
32h 49m
2 stops
$765British Airways
Mon, May 4 - Mon, May 11
United Airlines Logo
6:59 pm - 7:30 pm
ONT
-
LUX
39h 31m
3 stops
United Airlines Logo
8:25 am - 8:36 pm
LUX
-
ONT
21h 11m
2 stops
$784United Airlines
Mon, May 4 - Mon, May 11
United Airlines Logo
6:00 am - 7:30 pm
ONT
-
LUX
28h 30m
2 stops
United Airlines Logo
8:25 am - 10:46 pm
LUX
-
ONT
23h 21m
2 stops
$907United Airlines
Tue, May 19 - Mon, May 25
United Airlines Logo
1:34 pm - 7:55 am
ONT
-
LUX
33h 21m
2 stops
United Airlines Logo
8:20 am - 10:31 pm
LUX
-
ONT
47h 11m
2 stops
$1,102United Airlines
Sun, Apr 19 - Sat, Apr 25
Multiple Airlines Logo
7:00 am - 10:40 am
ONT
-
LUX
18h 40m
2 stops
Multiple Airlines Logo
11:30 am - 10:36 pm
LUX
-
ONT
20h 06m
2 stops
$1,152Multiple Airlines
Sun, Apr 5 - Tue, Apr 21
United Airlines Logo
6:39 pm - 7:30 pm
ONT
-
LUX
15h 51m
2 stops
United Airlines Logo
8:25 am - 5:28 pm
LUX
-
ONT
18h 03m
2 stops
$1,192United Airlines
Sun, May 31 - Mon, Jun 8
British Airways Logo
7:00 am - 10:45 am
ONT
-
LUX
18h 45m
2 stops
British Airways Logo
9:35 pm - 6:57 pm
LUX
-
ONT
30h 22m
2 stops
$1,419British Airways
Wed, Jun 17 - Wed, Aug 5
British Airways Logo
7:00 am - 10:45 am
ONT
-
LUX
18h 45m
2 stops
British Airways Logo
11:35 am - 9:44 pm
LUX
-
ONT
19h 09m
2 stops
$1,522British Airways
Wed, Jun 17 - Wed, Jul 8

United Airlines flights from Ontario to Luxembourg

Our best United Airlines deals on Ontario to Luxembourg flight tickets
United Airlines
May 4
ONT6:00 amOntario
28h 30m
2 stops
LUX7:30 pmLuxembourg
May 12
LUX8:30 amLuxembourg
23h 05m
2 stops
ONT10:35 pmOntario
$734
United Airlines
May 6
ONT1:30 pmOntario
21h 00m
2 stops
LUX7:30 pmLuxembourg
May 13
LUX9:40 amLuxembourg
17h 12m
2 stops
ONT5:52 pmOntario
$736
United Airlines
May 4
ONT6:59 pmOntario
39h 31m
3 stops
LUX7:30 pmLuxembourg
May 11
LUX8:25 amLuxembourg
21h 11m
2 stops
ONT8:36 pmOntario
$784

British Airways flights from Ontario to Luxembourg

Our best British Airways deals on Ontario to Luxembourg flight tickets
British Airways
May 4
ONT12:19 pmOntario
37h 21m
2 stops
LUX10:40 amLuxembourg
May 11
LUX9:05 pmLuxembourg
32h 49m
2 stops
ONT8:54 pmOntario
$765
British Airways
Mar 29
ONT2:39 pmOntario
16h 21m
2 stops
LUX4:00 pmLuxembourg
Apr 13
LUX11:45 amLuxembourg
19h 14m
2 stops
ONT9:59 pmOntario
$1,077
British Airways
Jun 17
ONT7:00 amOntario
18h 45m
2 stops
LUX10:45 amLuxembourg
Aug 5
LUX9:35 pmLuxembourg
30h 22m
2 stops
ONT6:57 pmOntario
$1,419

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 March 25, 2026.
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

Cheapest round-trip

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Mon 5/4

6:00 am-7:30 pm

2 stops28h 30m

Luxembourg

Tue 5/12

8:30 am-10:35 pm

2 stops23h 05m

$734

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Wed 5/6

1:30 pm-7:30 pm

2 stops21h 00m

Luxembourg

Wed 5/13

9:40 am-5:52 pm

2 stops17h 12m

$736

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Mon 5/4

12:19 pm-10:40 am

2 stops37h 21m

Luxembourg

Mon 5/11

9:05 pm-8:54 pm

2 stops32h 49m

$765

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Mon 5/4

6:59 pm-7:30 pm

3 stops39h 31m

Luxembourg

Mon 5/11

8:25 am-8:36 pm

2 stops21h 11m

$784

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Tue 5/19

6:00 am-7:30 pm

2 stops28h 30m

Luxembourg

Mon 5/25

8:25 am-10:46 pm

2 stops23h 21m

$907

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sun 4/19

1:34 pm-7:55 am

2 stops33h 21m

Luxembourg

Sat 4/25

8:20 am-10:31 pm

2 stops47h 11m

$1,102

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sun 4/5

7:00 am-10:40 am

2 stops18h 40m

Luxembourg

Tue 4/21

11:30 am-10:36 pm

2 stops20h 06m

$1,152
Quickest round-trip

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Sun 5/31

6:39 pm-7:30 pm

2 stops15h 51m

Luxembourg

Mon 6/8

8:25 am-5:28 pm

2 stops18h 03m

$1,192

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Wed 6/17

7:00 am-10:45 am

2 stops18h 45m

Luxembourg

Wed 8/5

9:35 pm-6:57 pm

2 stops30h 22m

$1,419

OntarioLuxembourg

ONT - LUX

ONTLUX

Ontario

Wed 6/17

7:00 am-10:45 am

2 stops18h 45m

Luxembourg

Wed 7/8

11:35 am-9:44 pm

2 stops19h 09m

$1,522

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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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 airline that flies from Ontario to Luxembourg?

United Airlines is the most popular carrier operating from Ontario to Luxembourg

What airlines fly to Luxembourg?

Lufthansa, KLM and SWISS are the top three most popular airlines that fly to Luxembourg from Ontario according to our data. Lufthansa is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Luxembourg. Keep in mind that there are 7 different airlines that fly to Luxembourg on a routine basis, so you have a few additional options to choose from.

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 21m

Direct flights

None
The fastest flight from Ontario to Luxembourg takes 16h 21m
There are no direct flights from Ontario to Luxembourg. There are no popular flight routes from Ontario to Luxembourg.
Search flight deals

  • 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 21m.

  • 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Fri 4/24
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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
KLM
SWISS
British Airways
American Airlines
Delta
United Airlines