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$548+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
STR — ONT
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheap 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 abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$548
(Billigflug)

Popular in

July

Cheapest in

January

Average price

$729
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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Highest demand for flights based on searches. 15% potential increase in price ($134 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 abril 17, 2025.

This Billigflug deal was found by Cheapflights users on 4/16. 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.
vie. 5/29:20 pmSTR - ONT
2 stops27h 47mMultiple Airlines
mar. 5/612:45 pmONT - STR
2 stops23h 30mMultiple Airlines
Deal found 4/16$548
This Delta deal was found by Cheapflights users on 4/16. 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.
mié. 4/306:00 amSTR - ONT
2 stops19h 33mDelta
mié. 5/1410:01 amONT - STR
2 stops22h 34mDelta
Deal found 4/16$558
This United Airlines deal was found by Cheapflights users on 4/16. 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.
vie. 9/52:40 pmSTR - ONT
2 stops17h 13mUnited Airlines
mié. 9/2410:00 amONT - STR
2 stops18h 55mUnited Airlines
Deal found 4/16$678
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/212:05 pmSTR - ONT
2 stops20h 45mAmerican Airlines
vie. 5/97:30 amONT - STR
2 stops18h 25mAmerican Airlines
Deal found 4/16$784
This Booking.com deal was found by Cheapflights users on 4/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/1611:55 amSTR - ONT
2 stops18h 40mBritish Airways
sáb. 9/65:09 pmONT - STR
2 stops16h 06mBritish Airways
Deal found 4/16$1,046
This Expedia deal was found by Cheapflights users on 4/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/22:10 pmSTR - ONT
2 stops38h 18mKLM
mar. 5/612:07 pmONT - STR
2 stops20h 28mKLM
Deal found 4/16$1,225

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 abril 17, 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

vie. 5/2

9:20 pm-4:07 pm

2 stops27h 47m

Ontario

mar. 5/6

12:45 pm-9:15 pm

2 stops23h 30m

$548

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

mié. 4/30

6:00 am-4:33 pm

2 stops19h 33m

Ontario

mié. 5/14

10:01 am-5:35 pm

2 stops22h 34m

$558

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

vie. 9/5

2:40 pm-10:53 pm

2 stops17h 13m

Ontario

mié. 9/24

10:00 am-1:55 pm

2 stops18h 55m

$678

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

vie. 5/2

12:05 pm-11:50 pm

2 stops20h 45m

Ontario

vie. 5/9

7:30 am-10:55 am

2 stops18h 25m

$784

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

sáb. 8/16

11:55 am-9:35 pm

2 stops18h 40m

Ontario

sáb. 9/6

5:09 pm-6:15 pm

2 stops16h 06m

$1,046

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

vie. 5/2

2:10 pm-7:28 pm

2 stops38h 18m

Ontario

mar. 5/6

12:07 pm-5:35 pm

2 stops20h 28m

$1,225

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

lun. 9/22

12:10 pm-11:36 pm

2 stops20h 26m

$854

StuttgartOntario

STR - ONT

STRONT

Stuttgart Echterdingen

vie. 9/19

12:05 pm-11:36 pm

2 stops20h 31m

$857

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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, August is the cheapest month in which you can book a flight from Stuttgart to Ontario (average of $246). Flying from Stuttgart 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 abril 17, 2025.
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
6,767 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

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 Stuttgart to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Stuttgart to Ontario round-trip?

    Cheapflights users have booked flights from Stuttgart to Ontario round-trip from $558. Other airlines that can offer you cheap pricing are United Airlines, from $678, and American Airlines, from $784.

  • 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, August is the cheapest month in which you can book a flight from Stuttgart to Ontario (average of $246). Flying from Stuttgart 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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