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$288+ Cheap flights from Hermosillo (HMO) to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
HMO — ONT
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Hermosillo to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Hermosillo (HMO) 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 July 30, 2025.

Round-trip from

$335
(CheapOair)

One-way from

$288
(Mytrip)

Popular in

October

Cheapest in

January

Average price

$519
From Hermosillo Gen Pesqueira Garcia to Ontario
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One-way flight from Hermosillo Gen Pesqueira Garcia to Ontario
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Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Hermosillo to Ontario

Cheapest flights from Hermosillo to Ontario
Explore the most affordable flight options available from Hermosillo to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:57 amHMO - ONT
1 stop11h 24mVolaris
Fri 9/199:11 pmONT - HMO
1 stop10h 00mVolaris
Deal found 7/29$335
This Trip.com deal was found by Cheapflights users on 7/28. 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 8/287:57 amHMO - ONT
1 stop11h 24mMultiple Airlines
Sat 8/301:09 amONT - HMO
1 stop18h 56mMultiple Airlines
Deal found 7/28$490
This SmartFares deal was found by Cheapflights users on 7/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:18 amHMO - ONT
2 stops25h 08mDelta
Tue 11/1110:59 pmONT - HMO
2 stops19h 38mDelta
Deal found 7/30$988

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hermosillo 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 July 30, 2025.
Use the filters below to find and compare flights from Hermosillo to Ontario that are best for you.

Fly from

Hermosillo

Fly to

Ontario

Route

Depart

Return

Price

HermosilloOntario

HMO - ONT

HMOONT

Hermosillo Gen Pesqueira Garcia

Sun 9/14

7:57 am-7:21 pm

1 stop11h 24m

Ontario

Fri 9/19

9:11 pm-7:11 am

1 stop10h 00m

$335

HermosilloOntario

HMO - ONT

HMOONT

Hermosillo Gen Pesqueira Garcia

Thu 8/28

7:57 am-7:21 pm

1 stop11h 24m

Ontario

Sat 8/30

1:09 am-8:05 pm

1 stop18h 56m

$490

HermosilloOntario

HMO - ONT

HMOONT

Hermosillo Gen Pesqueira Garcia

Thu 11/6

10:18 am-10:26 am

2 stops25h 08m

Ontario

Tue 11/11

10:59 pm-7:37 pm

2 stops19h 38m

$988

HermosilloOntario

HMO - ONT

HMOONT

Hermosillo Gen Pesqueira Garcia

Thu 8/14

11:26 pm-11:00 am

2 stops11h 34m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Hermosillo to Ontario

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

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

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

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 July 30, 2025.
Read through reviews of airlines operating flights from Hermosillo to Ontario, such as Delta and Volaris. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
Volaris
6.6
Okay
1,164 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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

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

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

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

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

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

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

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

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