HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$289+ Cheap flights from Huntsville to Ontario (HSV - 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
HSV — ONT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Huntsville to Ontario 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 Huntsville to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Huntsville (HSV) 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 September 11, 2025.

Round-trip from

$289
(Delta)

Popular in

May

Cheapest in

January

Average price

$486
From Huntsville to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Huntsville to Ontario

Cheapest flights from Huntsville to Ontario
Explore the most affordable flight options available from Huntsville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:20 amHSV - ONT
1 stop7h 20mDelta
Fri 1/1610:30 pmONT - HSV
1 stop8h 47mDelta
Deal found 9/9$289
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/91:07 pmHSV - ONT
2 stops11h 45mUnited Airlines
Tue 10/147:02 amONT - HSV
1 stop8h 24mUnited Airlines
Deal found 9/10$330
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:32 pmHSV - ONT
1 stop8h 05mDelta
Mon 12/110:25 pmONT - HSV
1 stop8h 46mDelta
Deal found 9/10$333
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/257:09 amHSV - ONT
1 stop6h 46mAmerican Airlines
Mon 9/2910:35 pmONT - HSV
1 stop8h 48mAmerican Airlines
Deal found 9/10$339
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/257:35 amHSV - ONT
2 stops12h 05mUnited Airlines
Mon 9/296:27 pmONT - HSV
2 stops13h 36mUnited Airlines
Deal found 9/10$349
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/95:30 pmHSV - ONT
1 stop8h 29mAmerican Airlines
Tue 10/1412:47 pmONT - HSV
1 stop7h 04mAmerican Airlines
Deal found 9/10$354
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 11/189:23 amHSV - ONT
2 stops10h 57mAmerican Airlines
Fri 1/1610:28 amONT - HSV
2 stops10h 38mAmerican Airlines
Deal found 9/9$357
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 12/109:21 amHSV - ONT
2 stops8h 40mAmerican Airlines
Wed 12/179:59 amONT - HSV
2 stops11h 02mAmerican Airlines
Deal found 9/10$387
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:09 amHSV - ONT
1 stop6h 17mDelta
Fri 10/1710:00 pmONT - HSV
1 stop9h 04mDelta
Deal found 9/10$388
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/187:09 amHSV - ONT
1 stop6h 46mAmerican Airlines
Sun 9/2110:35 pmONT - HSV
1 stop8h 48mAmerican Airlines
Deal found 9/10$419

Cheapflights Fare Finder

 
Customize your flight search to find flights from Huntsville 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 September 11, 2025.
Use the filters below to find and compare flights from Huntsville to Ontario that are best for you.

Fly from

Huntsville

Fly to

Ontario

Route

Depart

Return

Price

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Tue 11/18

5:20 am-10:40 am

1 stop7h 20m

Ontario

Fri 1/16

10:30 pm-9:17 am

1 stop8h 47m

$289

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Sat 2/28

1:40 pm-9:14 pm

1 stop9h 34m

Ontario

Wed 3/4

10:30 pm-8:12 am

1 stop7h 42m

$289

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Thu 10/9

1:07 pm-10:52 pm

2 stops11h 45m

Ontario

Tue 10/14

7:02 am-5:26 pm

1 stop8h 24m

$330

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Wed 11/26

1:32 pm-7:37 pm

1 stop8h 05m

Ontario

Mon 12/1

10:25 pm-9:11 am

1 stop8h 46m

$333

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Thu 9/25

7:09 am-11:55 am

1 stop6h 46m

Ontario

Mon 9/29

10:35 pm-9:23 am

1 stop8h 48m

$339

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Thu 9/25

7:35 am-5:40 pm

2 stops12h 05m

Ontario

Mon 9/29

6:27 pm-10:03 am

2 stops13h 36m

$349

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Thu 10/9

5:30 pm-11:59 pm

1 stop8h 29m

Ontario

Tue 10/14

12:47 pm-9:51 pm

1 stop7h 04m

$354

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Tue 11/18

9:23 am-6:20 pm

2 stops10h 57m

Ontario

Fri 1/16

10:28 am-11:06 pm

2 stops10h 38m

$357

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Sat 2/28

2:49 pm-11:43 pm

2 stops10h 54m

Ontario

Wed 3/4

11:55 pm-8:54 am

1 stop6h 59m

$384

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Mon 10/20

4:45 pm-9:24 pm

1 stop6h 39m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 15 results
1
2

Best time to book a flight from Huntsville to Ontario

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

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

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

What is the cheapest time of day to fly from HSV to ONT?

Find hourly flight availability from Huntsville to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Huntsville to Ontario in the afternoon. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight in the morning.

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 September 11, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Huntsville to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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 Huntsville to Ontario. 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 Huntsville to Ontario?

    There are many flights that can get you from Huntsville to Ontario in 7h 20m. Fly via Delta or United Airlines to get the fastest option. The distance between Huntsville and Ontario is about 1751 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Huntsville to Ontario round-trip?

    American Airlines, at $288, was found to be the cheapest airline from Huntsville to Ontario.Alternate airlines to your destination round-trip include Delta and United Airlines. These flights start at 34% lower than the current average price 3 months from now.

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

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

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

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

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

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

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

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 Huntsville to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Atlanta to Las Vegas flights
Atlanta to Los Angeles flights
Atlanta to San Francisco flights
Atlanta to Ontario flights
Atlanta to San Diego flights
Atlanta to Santa Ana flights
Atlanta to Burbank flights
Birmingham to Las Vegas flights
Atlanta to Sacramento flights
Chattanooga to Las Vegas flights
Atlanta to San Jose flights
Pensacola to Las Vegas flights
Atlanta to Reno flights
Atlanta to Palm Springs flights
Birmingham to San Francisco flights
Pensacola to Los Angeles flights
Valparaiso to Las Vegas flights
Pensacola to Ontario flights
Montgomery to Las Vegas flights
Atlanta to Oakland flights
Huntsville to Las Vegas flights
Chattanooga to Ontario flights
Valparaiso to Los Angeles flights
Pensacola to Santa Ana flights
Birmingham to Los Angeles flights
Pensacola to San Diego flights
Atlanta to Fresno flights
Chattanooga to Los Angeles flights
Huntsville to Los Angeles flights
Mobile to Las Vegas flights
Chattanooga to San Diego flights
Birmingham to San Diego flights
Birmingham to Ontario flights
Mobile to Los Angeles flights
Atlanta to Santa Barbara flights
Huntsville to San Diego flights
Huntsville to San Jose flights
Atlanta to Long Beach flights
Atlanta to Medford flights
Huntsville to Santa Ana flights
Pensacola to San Francisco flights
Chattanooga to Santa Ana flights
Chattanooga to San Francisco flights
Birmingham to Sacramento flights
Birmingham to Santa Ana flights
Chattanooga to Sacramento flights
Birmingham to San Jose flights
Birmingham to Fresno flights
Pensacola to Sacramento flights
Chattanooga to San Jose flights

Top 3 airlines flying from Huntsville to Ontario

Discover the top 3 airlines that operate flights from Huntsville to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$288Average$458FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$446FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$302Average$388FlexibilityNo cancel feeOn-time69%

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.