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$689+ Cheap flights from Luxembourg to Ontario (ONT)

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — ONT
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheap flight deals from Luxembourg to Ontario

Keep the following information in mind while searching for Luxembourg to Ontario flight deals. Data was last updated April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$689
(United Airlines)

Popular in

July

Cheapest in

October

Average price

$856
Provider with most accurate pricing for Luxembourg-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Luxembourg-Los Angeles flights.
Search Deals
From Luxembourg to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Luxembourg to Ontario

Cheapest flights from Luxembourg to Ontario
Explore the most affordable flight options available from Luxembourg to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

This United Airlines deal was found by Cheapflights users on 4/2. 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.
Tue 9/99:50 amLUX - ONT
2 stops21h 06mUnited Airlines
Sun 9/146:36 pmONT - LUX
2 stops39h 59mUnited Airlines
Deal found 4/2$689
This Lufthansa deal was found by Cheapflights users on 4/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/219:50 amLUX - ONT
2 stops22h 05mMultiple Airlines
Tue 5/65:05 amONT - LUX
2 stops26h 05mMultiple Airlines
Deal found 4/2$726
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:10 amLUX - ONT
2 stops19h 34mDelta
Tue 5/62:35 pmONT - LUX
2 stops18h 20mDelta
Deal found 4/2$5,251
This AranGrant deal was found by Cheapflights users on 4/2. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/211:40 amLUX - ONT
2 stops39h 43mBritish Airways
Fri 6/1311:59 pmONT - LUX
2 stops35h 36mBritish Airways
Deal found 4/2$8,277

Cheapflights Fare Finder

Customize your flight search to find flights from Luxembourg to Ontario 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 April 3, 2025.
Use the filters below to find and compare flights from Luxembourg to Ontario that are best for you.

Fly from

Luxembourg

Fly to

Ontario

Route

Depart

Return

Price

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Tue 9/9

9:50 am-9:56 pm

2 stops21h 06m

Ontario

Sun 9/14

6:36 pm-7:35 pm

2 stops39h 59m

$689

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Mon 4/21

9:50 am-10:55 pm

2 stops22h 05m

Ontario

Tue 5/6

5:05 am-4:10 pm

2 stops26h 05m

$726

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Mon 4/21

6:10 am-4:44 pm

2 stops19h 34m

Ontario

Tue 5/6

2:35 pm-5:55 pm

2 stops18h 20m

$5,251

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Mon 6/2

11:40 am-6:23 pm

2 stops39h 43m

Ontario

Fri 6/13

11:59 pm-8:35 pm

2 stops35h 36m

$8,277

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Wed 4/30

11:40 am-9:58 pm

2 stops19h 18m

$735

LuxembourgOntario

LUX - ONT

LUXONT

Luxembourg

Wed 4/30

9:45 am-12:24 pm

3 stops35h 39m

$1,419

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Best time to book a flight from Luxembourg to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Luxembourg 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 Luxembourg to Ontario

What is the cheapest month to book a flight from Luxembourg to Ontario?

Currently, August is the cheapest month in which you can book a flight from Luxembourg to Ontario (average of $246). Flying from Luxembourg to Ontario in March is currently the most expensive (average of $328). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated April 3, 2025.
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,616 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
British Airways
6.6
Okay
6,718 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Luxembourg to Ontario. 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 into for flights to Ontario from Luxembourg?

    Ontario (ONT) is the airport you will fly into if you book a flight from Luxembourg to Ontario. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

  • Can I find deals for flights from Luxembourg to Ontario that include hotel bookings?

    Yes. In addition to deals on Luxembourg to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luxembourg to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luxembourg to Ontario.

  • Can I find deals for business class flights from Luxembourg to Ontario?

    Yes. Cheapflights offers flight deals from Luxembourg to Ontario 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 Luxembourg to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Luxembourg to Ontario (average of $246). Flying from Luxembourg to Ontario in March is currently the most expensive (average of $328). 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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