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$580+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
STR — ONT
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
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 February 13, 2026.

This British Airways deal was found by Cheapflights users on 2/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:00 am
STR
-
ONT
2 stops20h 07m
British Airways
Tue 3/173:19 pm
ONT
-
STR
2 stops20h 51m
British Airways
Deal found 2/13$580
This British Airways deal was found by Cheapflights users on 2/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:15 am
STR
-
ONT
2 stops19h 52m
British Airways
Tue 3/173:19 pm
ONT
-
STR
2 stops20h 51m
British Airways
Deal found 2/12$605
This Trip.com deal was found by Cheapflights users on 2/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
STR
-
ONT
2 stops24h 00m
KLM
Wed 4/2211:53 am
ONT
-
STR
2 stops20h 57m
KLM
Deal found 2/12$670
This British Airways deal was found by Cheapflights users on 2/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:05 pm
STR
-
ONT
2 stops34h 44m
British Airways
Mon 3/22:39 pm
ONT
-
STR
2 stops17h 36m
British Airways
Deal found 2/9$770
This Billigflug deal was found by Cheapflights users on 2/11. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/272:15 pm
STR
-
ONT
2 stops17h 42m
Multiple Airlines
Tue 3/36:10 am
ONT
-
STR
2 stops21h 40m
Multiple Airlines
Deal found 2/11$772
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Fri 2/276:25 am
STR
-
ONT
2 stops25h 32m
United Airlines
Mon 3/21:50 pm
ONT
-
STR
2 stops19h 15m
United Airlines
Deal found 2/12$773
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Mon 4/278:30 am
STR
-
ONT
2 stops18h 17m
United Airlines
Fri 5/1510:37 am
ONT
-
STR
2 stops18h 18m
United Airlines
Deal found 2/11$782
This Trip.com deal was found by Cheapflights users on 2/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:00 am
STR
-
ONT
2 stops19h 02m
KLM
Wed 3/46:00 am
ONT
-
STR
2 stops26h 45m
KLM
Deal found 2/12$852
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/211:05 am
STR
-
ONT
2 stops20h 29m
KLM
Wed 4/155:05 pm
ONT
-
STR
2 stops20h 30m
KLM
Deal found 2/10$878

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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$580
(British Airways)

Popular in

December

Cheapest in

March

Average price

$796
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
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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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 February 13, 2026.
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

Sun 3/1

11:00 am-10:07 pm

2 stops20h 07m

Ontario

Tue 3/17

3:19 pm-8:10 pm

2 stops20h 51m

$580

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Mon 3/2

11:15 am-10:07 pm

2 stops19h 52m

Ontario

Tue 3/17

3:19 pm-8:10 pm

2 stops20h 51m

$605

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Thu 4/9

6:00 am-9:00 pm

2 stops24h 00m

Ontario

Wed 4/22

11:53 am-5:50 pm

2 stops20h 57m

$670

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Fri 2/27

9:05 pm-10:49 pm

2 stops34h 44m

Ontario

Mon 3/2

2:39 pm-5:15 pm

2 stops17h 36m

$770

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Fri 2/27

6:25 am-10:57 pm

2 stops25h 32m

Ontario

Mon 3/2

1:50 pm-6:05 pm

2 stops19h 15m

$773

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Thu 4/2

11:05 am-10:34 pm

2 stops20h 29m

Ontario

Wed 4/15

5:05 pm-10:35 pm

2 stops20h 30m

$878

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Wed 3/25

6:00 am-11:51 pm

2 stops25h 51m

Ontario

Sun 4/5

10:25 pm-5:50 pm

2 stops34h 25m

$956

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Fri 2/27

6:25 am-10:57 pm

3 stops25h 32m

Ontario

Tue 3/3

5:00 am-11:25 am

3 stops21h 25m

$980

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Sun 4/5

11:05 am-10:34 pm

2 stops20h 29m

Ontario

Mon 4/20

11:53 am-5:50 pm

2 stops20h 57m

$1,004

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

Mon 3/9

11:15 am-10:07 pm

2 stops18h 52m

Ontario

Tue 3/24

5:02 pm-8:10 pm

2 stops19h 08m

$1,055

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

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 $444). Flying from Stuttgart to Ontario in December is currently the most expensive (average of $593). 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 $580, British Airways can have you in Ontario from Stuttgart in 20h 07m. The distance between Stuttgart and Ontario is about 5846 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $444). Flying from Stuttgart to Ontario in December is currently the most expensive (average of $593). 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.

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