HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Stuttgart

$800+ Cheap flights from Ontario (ONT) to Stuttgart (STR)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — STR
Mar 4 — Mar 111
Wed 3/4
Wed 3/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Stuttgart with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Stuttgart

Cheapest flights from Ontario to Stuttgart
Explore the most affordable flight options available from Ontario to Stuttgart. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.

This United Airlines deal was found by Cheapflights users on 1/30. 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.
Thu 2/191:45 pm
ONT
-
STR
2 stops17h 40m
United Airlines
Mon 2/238:25 am
STR
-
ONT
2 stops22h 35m
United Airlines
Deal found 1/30$800
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/23:09 pm
ONT
-
STR
2 stops17h 06m
British Airways
Mon 2/98:10 pm
STR
-
ONT
2 stops31h 35m
British Airways
Deal found 2/1$888
This oojo deal was found by Cheapflights users on 1/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2111:25 pm
ONT
-
STR
2 stops29h 50m
Turkish Airlines
Mon 7/63:10 pm
STR
-
ONT
2 stops39h 59m
Turkish Airlines
Deal found 1/30$3,396
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1511:58 pm
ONT
-
STR
2 stops32h 17m
British Airways
Fri 2/2011:15 am
STR
-
ONT
2 stops21h 44m
British Airways
Deal found 2/1$4,025

Find flight deals from Ontario to Stuttgart

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Stuttgart (STR). 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 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$605
(KLM)

Popular in

June

Cheapest in

March

Average price

$785
Provider with most accurate pricing for Ontario-Stuttgart Echterdingen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Stuttgart Echterdingen flights.
Search Deals
From Ontario to Stuttgart Echterdingen
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Stuttgart 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 2, 2026.
Use the filters below to find and compare flights from Ontario to Stuttgart that are best for you.

Fly from

Ontario

Fly to

Stuttgart

Route

Depart

Return

Price

OntarioStuttgart

ONT - STR

ONTSTR

Ontario

Thu 2/19

1:45 pm-4:25 pm

2 stops17h 40m

Stuttgart Echterdingen

Mon 2/23

8:25 am-10:00 pm

2 stops22h 35m

$800

OntarioStuttgart

ONT - STR

ONTSTR

Ontario

Sun 6/21

11:25 pm-2:15 pm

2 stops29h 50m

Stuttgart Echterdingen

Mon 7/6

3:10 pm-10:09 pm

2 stops39h 59m

$3,396

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

  • Most accurate provider: When it comes to deals on Ontario-Stuttgart flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Stuttgart flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Stuttgart flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Stuttgart flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Stuttgart flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Stuttgart

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

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

Currently, February is the cheapest month in which you can book a flight from Ontario to Stuttgart (average of $528). Flying from Ontario to Stuttgart in June is currently the most expensive (average of $743). 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 Ontario to Stuttgart. 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 Ontario to Stuttgart?

    A quick flight from Ontario to Stuttgart can take about 19h 28m. KLM provides one of the quickest options available for as low as $663. There are 5846 mi between Ontario and Stuttgart. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Ontario to Stuttgart (average of $528). Flying from Ontario to Stuttgart in June is currently the most expensive (average of $743). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Stuttgart

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Frankfurt flights
San Francisco to Frankfurt flights
San Francisco to Munich flights
Los Angeles to Munich flights
Ontario to Frankfurt flights
Santa Ana to Frankfurt flights
Oakland to Frankfurt flights
San Jose to Frankfurt flights
San Diego to Frankfurt flights
San Diego to Munich flights
San Jose to Munich flights
Oakland to Munich flights
Las Vegas to Frankfurt flights
Ontario to Munich flights
Santa Ana to Munich flights
Burbank to Munich flights
Burbank to Frankfurt flights
Long Beach to Frankfurt flights
Los Angeles to Stuttgart flights
Sacramento to Munich flights
Las Vegas to Munich flights
Medford to Frankfurt flights
Sacramento to Frankfurt flights
San Francisco to Stuttgart flights
Reno to Frankfurt flights
San Diego to Stuttgart flights
Fresno to Frankfurt flights
Santa Barbara to Frankfurt flights
San Luis Obispo to Munich flights
Fresno to Munich flights
San Luis Obispo to Frankfurt flights
Santa Ana to Stuttgart flights
Reno to Munich flights
Santa Rosa to Frankfurt flights
San Jose to Stuttgart flights
Monterey to Frankfurt flights
Monterey to Munich flights
Santa Barbara to Munich flights
Las Vegas to Stuttgart flights
Reno to Stuttgart flights
Arcata to Munich flights
Sacramento to Stuttgart flights
Burbank to Stuttgart flights
Long Beach to Munich flights
Redding to Munich flights
Los Angeles to Karlsruhe flights
San Jose to Friedrichshafen flights
Medford to Munich flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights