Title: $629 Cheap flights from Stuttgart to Ontario (STR to ONT) - Expedia.com

![Ontario which includes street scenes and night scenes](https://images.trvl-media.com/place/2680/6f6cbfd1-6188-4a75-9ba7-05d8edf0fb1d.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

Photo by Ontario Convention & Visitors Bureau / Jon Edwards.

![](https://images.trvl-media.com/place/2680/6f6cbfd1-6188-4a75-9ba7-05d8edf0fb1d.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

# $629 Cheap Flights from Stuttgart (STR) to Ontario (ONT)

[View $629 flight on Mon, Apr 20, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:STR,to:ONT,departure:4/20/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:628.33&airProductToken=AQpnCiAIzJABEgMxMzEY8owBIKUEKIbqigMwuOqKAzhLQABYAQofCMGCARICNzEYpQQgo7EBKJfrigMwpvCKAzhPQAFYAQoiCMGCARIEMzAwNhijsQEgrpsBKL7xigMwgfOKAzhPQAFYARIKCAEQARgBKgJBQRgBIgQIARABKAQwAQ) 

- [Roundtrip](?flightType=roundtrip)
- [One-way](?flightType=oneway)
- [Multi-city](?flightType=multicity)

### Travelers

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ChildrenAges 2 to 17

InfantsYounger than 2

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## Popular airlines from Stuttgart Airport (STR) to Los Angeles - Ontario Intl. Airport (ONT)

- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg)  
British Airways  
[](https://www.expedia.com/Flights-Search?leg1=from:STR,to:ONT,departure:3/7/2026TANYT&leg2=from:ONT,to:STR,departure:3/14/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg)  
American Airlines  
[](https://www.expedia.com/Flights-Search?leg1=from:STR,to:ONT,departure:3/7/2026TANYT&leg2=from:ONT,to:STR,departure:3/14/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg)  
United  
[](https://www.expedia.com/Flights-Search?leg1=from:STR,to:ONT,departure:3/7/2026TANYT&leg2=from:ONT,to:STR,departure:3/14/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AF.svg)  
Air France  
[](https://www.expedia.com/Flights-Search?leg1=from:STR,to:ONT,departure:3/7/2026TANYT&leg2=from:ONT,to:STR,departure:3/14/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AF"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KL.svg)  
KLM  
[](https://www.expedia.com/Flights-Search?leg1=from:STR,to:ONT,departure:3/7/2026TANYT&leg2=from:ONT,to:STR,departure:3/14/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg)  
Delta  
[](https://www.expedia.com/Flights-Search?leg1=from:STR,to:ONT,departure:3/7/2026TANYT&leg2=from:ONT,to:STR,departure:3/14/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])

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## Cheap Flights from Stuttgart to Ontario (STR-ONT)

Prices were available within the past 7 days and start at $629 for one-way flights and $636 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif)

Fri, Mar 6 - Tue, Mar 10

STR

Stuttgart

ONT

Ontario

$636

Roundtrip

found 3 days ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STR,to:ONT,departure:3/6/2026TANYT&leg2=from:ONT,to:STR,departure:3/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:635.83&airProductToken=AQq2AQoyCMKCARIDOTE3GPKMASDriQEox_GGAzC68oYDOFFAAFgBagVOT0JBR3IIUUxON1Q4QlcKPwjCggESBDE1MzAY64kBIKOxASi-9IYDMLT5hgM4UUABWAFqBU5PQkFHcghRTE43VDhCV3oKCMGCARIEMTUzMAo_CMKCARIEMjQzMxijsQEgrpsBKJj6hgMw3_uGAzhRQAFYAWoFTk9CQUdyCFFMTjdUOEJXegoIwYIBEgQyNDMzCrYBCj8IwoIBEgQ1MTA5GK6bASCjsQEolKKHAzDHo4cDOFFAAFgBagVOT0JBR3IIUUxON1Q4Qld6CgjBggESBDUxMDkKPwjCggESBDE1MDUYo7EBIOuJASj0o4cDMJqohwM4UUABWAFqBU5PQkFHcghRTE43VDhCV3oKCMGCARIEMTUwNQoyCMKCARIDOTE4GOuJASDyjAEomq2HAzD-rYcDOFFAAVgBagVOT0JBR3IIUUxON1Q4QlcSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Thu, Mar 5 - Tue, Mar 17

STR

Stuttgart

ONT

Ontario

$783

Roundtrip

found 16 hours ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STR,to:ONT,departure:3/5/2026TANYT&leg2=from:ONT,to:STR,departure:3/17/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:782.03&airProductToken=AQpqCiIIwYIBEgQ3MDA4GPKMASDriQEoi-eGAzD-54YDOFNAAFgBCiAIwYIBEgI4MRjriQEgo7EBKJ7phgMwlO6GAzhCQAFYAQoiCMGCARIEMjUxMhijsQEgrpsBKPjuhgMwv_CGAzhCQAFYAQpqCiIIwYIBEgQxODIwGK6bASCjsQEo9PCHAzCn8ocDOEJAAFgBCiAIwYIBEgIyMBijsQEg64kBKKTzhwMwz_eHAzhCQAFYAQoiCMGCARIENjc1NRjriQEg8owBKPr7hwMw3vyHAzhTQAFYARIKCAEQARgBKgJBQRgBIgQIARABKAQwAQ)

![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)

Fri, Mar 6 - Mon, Mar 16

STR

Stuttgart

ONT

Ontario

$800

Roundtrip

found 16 hours ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STR,to:ONT,departure:3/6/2026TANYT&leg2=from:ONT,to:STR,departure:3/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:799.23&airProductToken=AQqtAQpACNWCARIEODc4MRjyjAEgpQQo-_KGAzCo84YDOEtAAFgBaghFQ09CQVNJQ3IIS0xWRUtYQlF6CQjMkAESAzEzNQozCNWCARIDOTI3GKUEILJxKLn0hgMw-vmGAzhLQAFYAWoIRUNPQkFTSUNyCEtMVkVLWEJRCjQI1YIBEgM1NTIYsnEgrpsBKMr6hgMwofuGAzhLQAFYAWoIRUNPQkFTSUNyCEtMVkVLWEJRCq8BCjUI1YIBEgQyMzYzGK6bASCycSi744cDMJjkhwM4S0AAWAFqCEVDT0JBU0lDcghLTFZFS1hCUQozCNWCARIDMTk0GLJxIIwVKK_nhwMw0uyHAzhLQAFYAWoIRUNPQkFTSUNyCEtMVkVLWEJRCkEI1YIBEgQ5MDgzGIwVIPKMASjU7YcDMIHuhwM4S0ABWAFqCEVDT0JBU0lDcghLTFZFS1hCUXoKCMyQARIEMjE0NhIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAE)

![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif)

Fri, Mar 6 - Mon, Mar 16

STR

Stuttgart

ONT

Ontario

$803

Roundtrip

found 16 hours ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STR,to:ONT,departure:3/6/2026TANYT&leg2=from:ONT,to:STR,departure:3/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:802.13&airProductToken=AQqtAQo0CMyQARIDMTI3GPKMASClBCil74YDMNLvhgM4S0AAWAFqCEVDT0xJR0hUcghLTFZFS1hCUQo_CMyQARIEOTQwOBilBCCycSi59IYDMPr5hgM4S0ABWAFqCEVDT0xJR0hUcghLTFZFS1hCUXoJCNWCARIDOTI3CjQI1YIBEgM1NTIYsnEgrpsBKMr6hgMwofuGAzhLQAFYAWoIRUNPTElHSFRyCEtMVkVLWEJRCroBCjUI1YIBEgQxMjYzGK6bASCDaSiC54cDMIfohwM4S0AAWAFqCEVDT0JBU0lDcghLTFZFS1hCUQo_CNWCARIEODg3ORiDaSClBCjt6IcDMLbthwM4S0ABWAFqCEVDT0JBU0lDcghLTFZFS1hCUXoJCMyQARIDNDQ3CkAI1YIBEgQ4NzgyGKUEIPKMASiG7ocDMLPuhwM4S0ABWAFqCEVDT0JBU0lDcghLTFZFS1hCUXoJCMyQARIDMTMwEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ)

![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif)

Fri, Mar 6 - Mon, Mar 16

STR

Stuttgart

ONT

Ontario

$806

Roundtrip

found 16 hours ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STR,to:ONT,departure:3/6/2026TANYT&leg2=from:ONT,to:STR,departure:3/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:805.93&airProductToken=AQqhAQo1CMywARIEMTE2NRjyjAEguTwopPGGAzDR8YYDOEtAAFgBaghFQ09MSUdIVHIIS0xWRUtYQlEKMQjMsAESATgYuTwgrhwouvKGAzCc94YDOEtAAVgBaghFQ09MSUdIVHIIS0xWRUtYQlEKNQjVggESBDE4NTEYrhwgrpsBKPD4hgMw-vqGAzhLQAFYAWoIRUNPTElHSFRyCEtMVkVLWEJRCq8BCjUI1YIBEgQyMzYzGK6bASCycSi744cDMJjkhwM4S0AAWAFqCEVDT0JBU0lDcghLTFZFS1hCUQozCNWCARIDMTk0GLJxIIwVKK_nhwMw0uyHAzhLQAFYAWoIRUNPQkFTSUNyCEtMVkVLWEJRCkEI1YIBEgQ5MDgzGIwVIPKMASjU7YcDMIHuhwM4S0ABWAFqCEVDT0JBU0lDcghLTFZFS1hCUXoKCMyQARIEMjE0NhIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAE)

![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)

Sat, Jun 6 - Sun, Jun 21

STR

Stuttgart

ONT

Ontario

$809

Roundtrip

found 2 days ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STR,to:ONT,departure:6/6/2026TANYT&leg2=from:ONT,to:STR,departure:6/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:808.63&airProductToken=AQqsAQpACNWCARIEODk2NRjyjAEgpQQo4fqOAzCT-44DOEtAAFgBaghFQ09CQVNJQ3IIS1BWUEtYQlF6CQjMkAESAzEzMQoyCNWCARICNTkYpQQgsnEo7_yOAzCXgo8DOEtAAVgBaghFQ09CQVNJQ3IIS1BWUEtYQlEKNAjVggESAzU1MhiycSCumwEo_YSPAzDehY8DOEtAAVgBaghFQ09CQVNJQ3IIS1BWUEtYQlEKrwEKNQjVggESBDI4MjYYrpsBIK4cKOqmkAMw6aiQAzhMQABYAWoIRUNPTElHSFRyCExMVlFLWEJRCjMIzJABEgM0MzcYrhwgjBUok6qQAzCRrpADOExAAVgBaghFQ09MSUdIVHIITExWUUtYQlEKQQjMkAESBDIxNDQYjBUg8owBKM2ukAMw-q6QAzhMQAFYAWoIRUNPTElHSFRyCExMVlFLWEJRegoIw5gBEgQyMTQ0EgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ)

![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif)

Fri, Mar 6 - Mon, Mar 16

STR

Stuttgart

ONT

Ontario

$811

Roundtrip

found 16 hours ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STR,to:ONT,departure:3/6/2026TANYT&leg2=from:ONT,to:STR,departure:3/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:810.43&airProductToken=AQq6AQpBCMyQARIEMjE1MxjyjAEgjBUojO-GAzC574YDOEtAAFgBaghFQ09MSUdIVHIIS0xWRUtYQlF6CgjDmAESBDIxNTMKPwjMkAESBDc5OTUYjBUgsnEo6vGGAzC694YDOEtAAVgBaghFQ09MSUdIVHIIS0xWRUtYQlF6CQjVggESAzE5NQo0CNWCARIDNTUyGLJxIK6bASjK-oYDMKH7hgM4S0ABWAFqCEVDT0xJR0hUcghLTFZFS1hCUQqvAQo1CNWCARIEMjM2MxiumwEgsnEou-OHAzCY5IcDOEtAAFgBaghFQ09CQVNJQ3IIS0xWRUtYQlEKMwjVggESAzE5NBiycSCMFSiv54cDMNLshwM4S0ABWAFqCEVDT0JBU0lDcghLTFZFS1hCUQpBCNWCARIEOTA4MxiMFSDyjAEo1O2HAzCB7ocDOEtAAVgBaghFQ09CQVNJQ3IIS0xWRUtYQlF6CgjMkAESBDIxNDYSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB)

![Austrian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/OS.gif)

Fri, Mar 6 - Mon, Mar 16

STR

Stuttgart

ONT

Ontario

$811

Roundtrip

found 16 hours ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STR,to:ONT,departure:3/6/2026TANYT&leg2=from:ONT,to:STR,departure:3/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:810.73&airProductToken=AQqhAQo0CM-mARIDMjcwGPKMASCVIii79YYDMIb2hgM4S0AAWAFqCEVDT0xJR0hUcghLTFZFS1hCUQoyCM-mARICNDUYlSIgrhwo0_yGAzCwgYcDOEtAAVgBaghFQ09MSUdIVHIIS0xWRUtYQlEKNQjVggESBDE4NTEYrhwgrpsBKLGEhwMwu4aHAzhLQAFYAWoIRUNPTElHSFRyCEtMVkVLWEJRCroBCjUI1YIBEgQxMjYzGK6bASCDaSiC54cDMIfohwM4S0AAWAFqCEVDT0JBU0lDcghLTFZFS1hCUQo_CNWCARIEODg3ORiDaSClBCjt6IcDMLbthwM4S0ABWAFqCEVDT0JBU0lDcghLTFZFS1hCUXoJCMyQARIDNDQ3CkAI1YIBEgQ4NzgyGKUEIPKMASiG7ocDMLPuhwM4S0ABWAFqCEVDT0JBU0lDcghLTFZFS1hCUXoJCMyQARIDMTMwEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ)

![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)

Sat, Jun 6 - Sun, Jun 21

STR

Stuttgart

ONT

Ontario

$812

Roundtrip

found 2 days ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STR,to:ONT,departure:6/6/2026TANYT&leg2=from:ONT,to:STR,departure:6/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:811.53&airProductToken=AQqtAQpACNWCARIEODk2NRjyjAEgpQQo4fqOAzCT-44DOEtAAFgBaghFQ09CQVNJQ3IIS1BWUEtYQlF6CQjMkAESAzEzMQozCNWCARIDOTI3GKUEILJxKIL_jgMwqoSPAzhLQAFYAWoIRUNPQkFTSUNyCEtQVlBLWEJRCjQI1YIBEgM1NTIYsnEgrpsBKP2EjwMw3oWPAzhLQAFYAWoIRUNPQkFTSUNyCEtQVlBLWEJRCq4BCjUI1YIBEgQyODI2GK6bASCuHCjqppADMOmokAM4TEAAWAFqCEVDT0JBU0lDcghMTFZRS1hCUQozCNWCARIDOTA3GK4cIKUEKMKrkAMwu6-QAzhMQAFYAWoIRUNPQkFTSUNyCExMVlFLWEJRCkAI1YIBEgQ4NzgyGKUEIPKMASj0sJADMKGxkAM4TEABWAFqCEVDT0JBU0lDcghMTFZRS1hCUXoJCMyQARIDMTM0EgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ)

![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif)

Fri, Mar 6 - Mon, Mar 16

STR

Stuttgart

ONT

Ontario

$814

Roundtrip

found 16 hours ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STR,to:ONT,departure:3/6/2026TANYT&leg2=from:ONT,to:STR,departure:3/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:813.33&airProductToken=AQquAQpBCMyQARIEMjE1MxjyjAEgjBUojO-GAzC574YDOEtAAFgBaghFQ09MSUdIVHIIS0xWRUtYQlF6CgjDmAESBDIxNTMKMwjMkAESAzQ1OBiMFSCycSiC9IYDMNf5hgM4S0ABWAFqCEVDT0xJR0hUcghLTFZFS1hCUQo0CNWCARIDNTUyGLJxIK6bASjK-oYDMKH7hgM4S0ABWAFqCEVDT0xJR0hUcghLTFZFS1hCUQq6AQo1CNWCARIEMTI2MxiumwEgg2kogueHAzCH6IcDOEtAAFgBaghFQ09CQVNJQ3IIS0xWRUtYQlEKPwjVggESBDg4NzkYg2kgpQQo7eiHAzC27YcDOEtAAVgBaghFQ09CQVNJQ3IIS0xWRUtYQlF6CQjMkAESAzQ0NwpACNWCARIEODc4MhilBCDyjAEohu6HAzCz7ocDOEtAAVgBaghFQ09CQVNJQ3IIS0xWRUtYQlF6CQjMkAESAzEzMBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAE)

![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh)

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## Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

[](https://www.expedia.com/Flights-Search?leg1=from:STR,to:SNA,departure:3/7/2026TANYT&leg2=from:SNA,to:STR,departure:3/18/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE)

SNA

John Wayne

42 min

[Flights from $828

](https://www.expedia.com/Flights-Search?leg1=from:STR,to:SNA,departure:3/7/2026TANYT&leg2=from:SNA,to:STR,departure:3/18/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 

## Frequently asked questions

### How much does a flight from Stuttgart Airport (STR) to Los Angeles - Ontario Intl. Airport (ONT) cost?

### What is the cheapest month to fly from Stuttgart Airport (STR) to Los Angeles - Ontario Intl. Airport (ONT)?

### What is the cheapest airline that flies from Stuttgart Airport (STR) to Los Angeles - Ontario Intl. Airport (ONT)?

### How many flights per day from Stuttgart Airport (STR) to Los Angeles - Ontario Intl. Airport (ONT)?

### What day of the week has the most flights from STR to ONT?

### What is the best time to fly from Stuttgart Airport (STR) to Los Angeles - Ontario Intl. Airport (ONT)?

### Is it cheaper to buy a plane ticket from Stuttgart Airport (STR) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?

### Is it cheaper to book a STR to ONT flight and hotel package?

### Can I cancel or change the date of my flight from Stuttgart Airport (STR) to Los Angeles - Ontario Intl. Airport (ONT)?

## Travel information

| Origin airport      | Stuttgart                                                          |
| ------------------- | ------------------------------------------------------------------ |
| Destination airport | Los Angeles - Ontario Intl.                                        |
| Airlines serving    | Air France, American Airlines, British Airways, Delta, KLM, United |
| Roundtrip price     | $636                                                               |
| Distance            | 5848 mi                                                            |

## Book with confidence

# Stuttgart to Ontario Flights

The cheapest times to fly from Stuttgart 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 Stuttgart to Ontario are during the month of March. You can find some of the cheapest flights from Stuttgart to Ontario with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Stuttgart to Ontario

Sunday is one of the best days to book for cheap flights from Stuttgart 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 Stuttgart 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 Stuttgart to Ontario in 2026\. You can also book with separate airlines for your outbound and return journeys, from $629 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 Stuttgart 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](https://www.expedia.com/package-deals). Bundling together your Stuttgart 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.

\*Flight schedules are subject to change.

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