Title: Cheap American Airlines fights from Ontario to Hermosillo - Expedia.ca ![Mexico which includes heritage architecture, street scenes and a church or cathedral](https://images.trvl-media.com/place/1485/b1270abb-6f04-419e-a2eb-1d7a194a2073.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1485/b1270abb-6f04-419e-a2eb-1d7a194a2073.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap American Airlines fights from Ontario (ONT) to Hermosillo (HMO) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## American Airlines flights from Ontario to Hermosillo (ONT→HMO) Prices were available within the past 7 days and start at for one-way flights and CA $1,052 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, Oct 21 - Sat, Oct 25 ONT Ontario HMO Hermosillo CA $1,052 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ONT,to:HMO,departure:21/10/2025TANYT&leg2=from:HMO,to:ONT,departure:25/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1051.90&airProductToken=AQpHCiIIwYIBEgQxNTkxGK6bASDvuQEo-_j6AjDJ-foCOFFAAFgBCiEIwYIBEgQ0OTU5GO-5ASCHcyjw-voCMMX7-gI4UUABWAEKRwohCMGCARIENDk1ORiHcyDvuQEo7aj7AjC9qfsCOFFAAFgBCiIIwYIBEgQxNjY2GO-5ASCumwEolav7AjDfq_sCOFFAAVgBEgoIARABGAEqAkFBGAEiBAgBEAEoCCgEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sun, Oct 19 - Sat, Oct 25 ONT Ontario HMO Hermosillo CA $1,098 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ONT,to:HMO,departure:19/10/2025TANYT&leg2=from:HMO,to:ONT,departure:25/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1097.90&airProductToken=AQpHCiIIwYIBEgQxNTkxGK6bASDvuQEou-L6AjCJ4_oCOFFAAFgBCiEIwYIBEgQ0OTU5GO-5ASCHcyiw5PoCMIXl-gI4UUABWAEKRwohCMGCARIENDk1ORiHcyDvuQEo7aj7AjC9qfsCOFFAAFgBCiIIwYIBEgQxNjY2GO-5ASCumwEolav7AjDfq_sCOFFAAVgBEgoIARABGAEqAkFBGAEiBAgBEAEoCCgEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, Oct 23 - Sat, Oct 25 ONT Ontario HMO Hermosillo CA $1,122 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ONT,to:HMO,departure:23/10/2025TANYT&leg2=from:HMO,to:ONT,departure:25/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1121.90&airProductToken=AQpHCiIIwYIBEgQxNjY2GK6bASDvuQEo05X7AjCjlvsCOFFAAFgBCiEIwYIBEgQ0OTU5GO-5ASCHcyjQnPsCMKWd-wI4UUABWAEKRwohCMGCARIENDk1ORiHcyDvuQEo7aj7AjC9qfsCOFFAAFgBCiIIwYIBEgQxNjY2GO-5ASCumwEolav7AjDfq_sCOFFAAVgBEgoIARABGAEqAkFBGAEiBAgBEAEoCCgEMAE) Flight from Ontario to Hermosillo (ONT - HMO) route information | Origin airport | Los Angeles - Ontario Intl. | | --- | --- | | Destination airport | General Ignacio Pesqueira Garcia Intl. | | Distance | 824 km | ## Frequently asked questions ### How much is an American Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to General Ignacio Pesqueira Garcia Intl. Airport (HMO)? > You'll discover cheap round-trip American Airlines flights from CA $1,052 from ONT to HMO by organizing your results from "Price (lowest to highest)" on Expedia. Or search for options for a one-way journey.\**\*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.* ### What is the cheapest month to fly from ONT to HMO with American Airlines? > August is one of the cheapest months to fly to Hermosillo with American Airlines. You could also find great prices on one-way and round-trip tickets in July. ### Does American Airlines fly nonstop from Los Angeles - Ontario Intl. Airport (ONT) to General Ignacio Pesqueira Garcia Intl. Airport (HMO)? > Simply enter your dates, click search and tick the "Nonstop" filter on Expedia to browse any direct flights from ONT to HMO with American Airlines or other airlines. ### What airports does American Airlines fly into in Hermosillo? > General Ignacio Pesqueira Garcia Intl. Airport (HMO) is the primary Hermosillo hub for American Airlines flights from Los Angeles - Ontario Intl. Airport (ONT). ### Can I change or cancel my American Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to General Ignacio Pesqueira Garcia Intl. Airport (HMO)? > It's usually possible to reschedule or cancel your flight, although there may be a charge if you made your booking over 24 hours ago. Prefer to keep your options open? Use Expedia's "No cancel fee" or "Changes included" filter to find flights that won't charge extra if you need to revise your plans. To make changes, go to "[Trips](https://www.expedia.ca/trips)," select your flight and click on "Manage Booking" for further information. ## Explore a world of travel with Expedia \*Available to Expedia members.