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$631+ Cheap flights from Stuttgart (STR) 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
STR — ONT
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
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Cheap flight deals from Stuttgart to Ontario

Cheapest flights from Stuttgart to Ontario
Explore the most affordable flight options available from Stuttgart to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 27, 2025.

This Gotogate deal was found by Cheapflights users on 12/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:00 amSTR - ONT
2 stops21h 46mBritish Airways
Sun 1/1111:59 pmONT - STR
2 stops32h 16mBritish Airways
Deal found 12/27$1,638

Find flight deals from Stuttgart to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Stuttgart (STR) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$631
(American Airlines)

Popular in

December

Cheapest in

March

Average price

$946
Provider with most accurate pricing for Stuttgart Echterdingen-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Stuttgart Echterdingen-Los Angeles flights.
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From Stuttgart Echterdingen to Ontario
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Stuttgart 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 December 27, 2025.
Use the filters below to find and compare flights from Stuttgart to Ontario that are best for you.

Fly from

Stuttgart

Fly to

Ontario

Route

Depart

Return

Price

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Fri 2/27

11:15 am-10:49 pm

2 stops20h 34m

Ontario

Mon 3/2

11:59 pm-8:10 pm

2 stops35h 11m

$631

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Thu 3/12

12:55 pm-11:59 pm

2 stops19h 04m

Ontario

Tue 3/17

5:02 pm-8:10 pm

2 stops19h 08m

$632

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Fri 3/13

11:15 am-11:59 pm

2 stops20h 44m

Ontario

Wed 3/18

10:56 am-12:05 pm

2 stops17h 09m

$632

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Wed 3/11

10:25 am-10:19 pm

2 stops19h 54m

Ontario

Wed 3/18

10:56 am-12:05 pm

2 stops17h 09m

$632

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Fri 3/13

11:15 am-11:59 pm

2 stops20h 44m

Ontario

Tue 3/17

5:02 pm-8:10 pm

2 stops19h 08m

$632

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Tue 3/10

10:50 am-10:07 pm

2 stops19h 17m

Ontario

Tue 3/17

5:02 pm-8:10 pm

2 stops19h 08m

$632

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Wed 3/11

10:25 am-10:19 pm

2 stops19h 54m

Ontario

Tue 3/17

5:02 pm-8:10 pm

2 stops19h 08m

$632

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Tue 3/10

10:50 am-10:07 pm

2 stops19h 17m

Ontario

Wed 3/18

10:56 am-12:05 pm

2 stops17h 09m

$632

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Tue 3/10

10:50 am-10:07 pm

2 stops19h 17m

Ontario

Tue 3/17

5:02 pm-8:10 pm

2 stops19h 08m

$658

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Wed 3/11

7:15 am-10:33 pm

2 stops23h 18m

Ontario

Wed 3/18

11:59 am-9:15 pm

2 stops25h 16m

$675

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 17 results
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Best time to book a flight from Stuttgart to Ontario

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

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

Currently, February is the cheapest month in which you can book a flight from Stuttgart to Ontario (average of $450). Flying from Stuttgart to Ontario in December is currently the most expensive (average of $600). 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 Stuttgart to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Stuttgart to Ontario?

    For as low as $631, American Airlines can have you in Ontario from Stuttgart in 20h 34m. The distance between Stuttgart and Ontario is about 5846 mi.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Stuttgart to Ontario (average of $450). Flying from Stuttgart to Ontario in December is currently the most expensive (average of $600). 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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