$995 Cheap Flights from Leipzig (LEJ) to Ontario (ONT)

View $995 flight on Sun, Aug 17, 2025Opens in a new window

Popular airlines from Leipzig (LEJ-Leipzig - Halle) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Leipzig to Ontario (LEJ-ONT)

Prices were available within the past 7 days and start at $995 for one-way flights and $753 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Aug 16 - Sun, Aug 17
LEJ
Leipzig
ONT
Ontario
$753 Roundtrip, found 5 days ago
$753
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 16 from Leipzig to Ontario, returning Sun, Aug 17, priced at $753 found 5 days ago
United
Sat, Aug 16 - Sun, Aug 17
LEJ
Leipzig
ONT
Ontario
$812 Roundtrip, found 5 days ago
$812
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 16 from Leipzig to Ontario, returning Sun, Aug 17, priced at $812 found 5 days ago
United
Sat, Aug 16 - Sun, Aug 17
LEJ
Leipzig
ONT
Ontario
$912 Roundtrip, found 5 days ago
$912
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 16 from Leipzig to Ontario, returning Sun, Aug 17, priced at $912 found 5 days ago
Lufthansa
Sat, Aug 16 - Sun, Aug 17
LEJ
Leipzig
ONT
Ontario
$940 Roundtrip, found 5 days ago
$940
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sat, Aug 16 from Leipzig to Ontario, returning Sun, Aug 17, priced at $940 found 5 days ago
United
Sat, Aug 16 - Sun, Aug 17
LEJ
Leipzig
ONT
Ontario
$952 Roundtrip, found 5 days ago
$952
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 16 from Leipzig to Ontario, returning Sun, Aug 17, priced at $952 found 5 days ago
United
Sat, Aug 16 - Sun, Aug 17
LEJ
Leipzig
ONT
Ontario
$971 Roundtrip, found 5 days ago
$971
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 16 from Leipzig to Ontario, returning Sun, Aug 17, priced at $971 found 5 days ago
United
Sat, Aug 16 - Sun, Aug 17
LEJ
Leipzig
ONT
Ontario
$1,011 Roundtrip, found 5 days ago
$1,011
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 16 from Leipzig to Ontario, returning Sun, Aug 17, priced at $1,011 found 5 days ago
United
Sat, Aug 16 - Sun, Aug 17
LEJ
Leipzig
ONT
Ontario
$1,053 Roundtrip, found 5 days ago
$1,053
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 16 from Leipzig to Ontario, returning Sun, Aug 17, priced at $1,053 found 5 days ago
Lufthansa
Sat, Aug 16 - Sun, Aug 17
LEJ
Leipzig
ONT
Ontario
$1,064 Roundtrip, found 5 days ago
$1,064
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sat, Aug 16 from Leipzig to Ontario, returning Sun, Aug 17, priced at $1,064 found 5 days ago
United
Sat, Aug 16 - Sun, Aug 17
LEJ
Leipzig
ONT
Ontario
$1,111 Roundtrip, found 5 days ago
$1,111
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 16 from Leipzig to Ontario, returning Sun, Aug 17, priced at $1,111 found 5 days ago
Flights from Leipzig (LEJ) to Ontario (ONT)
Origin airport
Leipzig - Halle
Destination airport
Los Angeles - Ontario Intl.
Roundtrip price
$752
Distance
5793 mi

Leipzig to Ontario Flights

The cheapest times to fly from Leipzig to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Leipzig to Ontario are during the month of August. You can find some of the cheapest flights from Leipzig to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Leipzig to Ontario

Sunday is one of the best days to book for cheap flights from Leipzig to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Leipzig to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Leipzig to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $995 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Leipzig to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Leipzig to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Leipzig - Halle Airport (LEJ) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Discover the latest flight deals from LEJ to ONT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from LEJ to ONT?
The cheapest flights from LEJ to ONT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from LEJ to ONT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from LEJ to ONT. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Leipzig - Halle Airport (LEJ) to Los Angeles - Ontario Intl. Airport (ONT)?
You'll need to hop on a flight with a layover if you're traveling from Leipzig - Halle Airport (LEJ) to Los Angeles - Ontario Intl. Airport (ONT). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from LEJ to ONT?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Leipzig - Halle Airport (LEJ) to Los Angeles - Ontario Intl. Airport (ONT)?
To arrive at Los Angeles - Ontario Intl. Airport (ONT) on time, opt for a flight that leaves from Leipzig - Halle Airport (LEJ) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Leipzig - Halle Airport (LEJ) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Booking your plane ticket from LEJ to ONT just before your journey is usually more expensive. But if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a LEJ to ONT flight and hotel package?
Opting for a LEJ to ONT flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Leipzig - Halle Airport (LEJ) to Los Angeles - Ontario Intl. Airport (ONT)?
In most instances, you can reschedule or cancel your LEJ to ONT flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.