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$522+ Cheap flights from Hermosillo (HMO) 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
HMO — ONT
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$522
(American Airlines)

Popular in

February

Cheapest in

January

Average price

$385
Provider with most accurate pricing for Hermosillo Gen Pesqueira Garcia-Ontario flight deals.
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Provider most trusted by Cheapflights users for Hermosillo Gen Pesqueira Garcia-Ontario flights.
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From Hermosillo Gen Pesqueira Garcia to Ontario
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/312:45 pmHMO - ONT
1 stop23h 10mAmerican Airlines
Sat 7/196:15 amONT - HMO
1 stop5h 38mAmerican Airlines
Deal found 4/30$522
This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/317:46 amHMO - ONT
1 stop11h 46mVolaris
Mon 6/29:11 pmONT - HMO
1 stop10h 00mVolaris
Deal found 4/30$524
This Trip.com deal was found by Cheapflights users on 5/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/18:40 amHMO - ONT
2 stops10h 41mMultiple Airlines
Mon 9/81:09 amONT - HMO
2 stops30h 41mMultiple Airlines
Deal found 5/1$574

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 May 1, 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

Thu 7/3

12:45 pm-11:55 am

1 stop23h 10m

Ontario

Sat 7/19

6:15 am-11:53 am

1 stop5h 38m

$522

HermosilloOntario

HMO - ONT

HMOONT

Hermosillo Gen Pesqueira Garcia

Sat 5/31

7:46 am-7:32 pm

1 stop11h 46m

Ontario

Mon 6/2

9:11 pm-7:11 am

1 stop10h 00m

$524

HermosilloOntario

HMO - ONT

HMOONT

Hermosillo Gen Pesqueira Garcia

Mon 9/1

8:40 am-7:21 pm

2 stops10h 41m

Ontario

Mon 9/8

1:09 am-7:50 am

2 stops30h 41m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Compare providers for flights from Hermosillo to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hermosillo to Ontario in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Hermosillo-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hermosillo-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hermosillo-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hermosillo-Ontario flights, Cheapflights users trust eDreams the most. eDreams 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 Hermosillo-Ontario 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 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.

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 May 1, 2025.
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Boarding

7.5

Crew

8.0

Comfort

7.2

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Daniel,Apr 2024

MEX - JFK

Poor business class with no food or screens. Only water coffee and orange juice to drink
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Boarding

7.5

Crew

8.0

Comfort

7.2

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Daniel,Apr 2024

MEX - JFK

Poor business class with no food or screens. Only water coffee and orange juice to drink
Volaris
6.7
Okay
1,174 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Boarding

7.5

Crew

8.0

Comfort

7.2

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Daniel,Apr 2024

MEX - JFK

Poor business class with no food or screens. Only water coffee and orange juice to drink

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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