HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Huntsville

$217+ Cheap flights from Ontario to Huntsville (ONT - HSV)

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HSV
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Huntsville 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 Ontario to Huntsville

Cheapest flights from Ontario to Huntsville
Explore the most affordable flight options available from Ontario to Huntsville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This Delta deal was found by Cheapflights users on 3/8. 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 4/1410:15 pm
ONT
-
HSV
1 stop8h 13m
Delta
Sat 4/185:22 am
HSV
-
ONT
1 stop8h 14m
Delta
Deal found 3/8$329
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:18 pm
ONT
-
HSV
1 stop6h 20m
United Airlines
Thu 6/42:36 pm
HSV
-
ONT
1 stop9h 19m
United Airlines
Deal found 3/9$349
This American Airlines deal was found by Cheapflights users on 3/8. 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 4/2911:59 pm
ONT
-
HSV
1 stop7h 15m
American Airlines
Sat 5/27:19 pm
HSV
-
ONT
1 stop6h 27m
American Airlines
Deal found 3/8$354
This Delta deal was found by Cheapflights users on 3/8. 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 4/310:25 pm
ONT
-
HSV
1 stop8h 36m
Delta
Wed 4/87:00 am
HSV
-
ONT
1 stop6h 47m
Delta
Deal found 3/8$374
This American Airlines deal was found by Cheapflights users on 3/9. 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 3/2411:58 pm
ONT
-
HSV
1 stop6h 57m
American Airlines
Sat 3/287:11 pm
HSV
-
ONT
1 stop6h 48m
American Airlines
Deal found 3/9$379
This Delta deal was found by Cheapflights users on 3/5. 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 4/2910:15 pm
ONT
-
HSV
1 stop8h 23m
Delta
Sat 5/28:17 am
HSV
-
ONT
2 stops10h 08m
Delta
Deal found 3/5$414
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 4/15:10 am
ONT
-
HSV
1 stop7h 28m
United Airlines
Wed 4/82:30 pm
HSV
-
ONT
1 stop10h 01m
United Airlines
Deal found 3/8$419
This Delta deal was found by Cheapflights users on 3/8. 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.
Thu 4/1610:15 pm
ONT
-
HSV
1 stop8h 13m
Delta
Sat 4/1812:56 pm
HSV
-
ONT
1 stop7h 37m
Delta
Deal found 3/8$424
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:45 am
ONT
-
HSV
1 stop7h 39m
United Airlines
Wed 7/811:15 am
HSV
-
ONT
2 stops11h 27m
United Airlines
Deal found 3/9$432
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:45 am
ONT
-
HSV
1 stop7h 36m
United Airlines
Sat 8/292:50 pm
HSV
-
ONT
1 stop9h 09m
United Airlines
Deal found 3/9$439
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 3/315:10 am
ONT
-
HSV
1 stop7h 28m
United Airlines
Tue 4/72:30 pm
HSV
-
ONT
1 stop10h 01m
United Airlines
Deal found 3/8$444

Find flight deals from Ontario to Huntsville

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Huntsville (HSV). 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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(Delta)

One-way from

$217
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$482
Provider with most accurate pricing for Ontario-Huntsville flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Huntsville flights.
Search Deals
From Ontario to Huntsville
Search Deals
One-way flight from Ontario to Huntsville
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Huntsville 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 March 10, 2026.
Use the filters below to find and compare flights from Ontario to Huntsville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Tue 4/14

10:15 pm-8:28 am

1 stop8h 13m

Huntsville

Sat 4/18

5:22 am-11:36 am

1 stop8h 14m

$329

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Wed 8/26

1:18 pm-9:19 pm

1 stop6h 01m

Huntsville

Sat 8/29

2:50 pm-9:59 pm

1 stop9h 09m

$419

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Wed 4/29

1:38 pm-9:52 pm

1 stop6h 14m

Huntsville

Sat 5/2

7:35 am-8:36 pm

2 stops15h 01m

$424

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Wed 4/8

10:25 pm-8:30 am

1 stop8h 05m

Huntsville

Sun 4/12

2:05 pm-11:54 pm

2 stops11h 49m

$444

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Tue 3/31

5:10 am-2:38 pm

1 stop7h 28m

Huntsville

Tue 4/7

2:30 pm-10:31 pm

1 stop10h 01m

$444
Quickest round-trip

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Wed 5/20

6:00 am-2:06 pm

1 stop6h 06m

Huntsville

Sat 5/23

4:20 pm-9:55 pm

1 stop7h 35m

$517

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Wed 5/6

10:15 pm-8:11 am

1 stop7h 56m

Huntsville

Wed 5/13

5:25 am-10:57 am

1 stop7h 32m

$519
Cheapest one-way

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Wed 5/13

12:59 am-9:54 am

3 stops30h 55m

$217

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Sun 5/17

8:26 am-11:00 am

3 stops48h 34m

$232

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Sun 5/17

10:00 pm-8:11 am

1 stop8h 11m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Ontario to Huntsville

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 Ontario to Huntsville in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Ontario-Huntsville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Huntsville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Huntsville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Huntsville flights, Cheapflights users trust FlightHub the most. FlightHub 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 Ontario-Huntsville 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 Ontario to Huntsville

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

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

Currently, August is the cheapest month in which you can book a flight from Ontario to Huntsville (average of $96). Flying from Ontario to Huntsville in March is currently the most expensive (average of $236). 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 Huntsville

Get insights into the airlines that provide service to Huntsville. 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 Huntsville. Reviews last updated March 10, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Ontario to Huntsville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,276 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
7.9
Good
8,276 reviews
Delta
7.9
Good
8,276 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
9,409 reviews
Delta
7.9
Good
8,276 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.1
Good
11,413 reviews
Delta
7.9
Good
8,276 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from Ontario to Huntsville. 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 Ontario to Huntsville?

    A quick flight from Ontario to Huntsville can take about 6h 01m. Delta provides one of the quickest options available for as low as $419. There are 1751 mi between Ontario and Huntsville. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $288, American Airlines will fly you from Ontario to Huntsville and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $288 and $313, respectively. American Airlines is priced at 37% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Ontario to Huntsville (average of $96). Flying from Ontario to Huntsville in March is currently the most expensive (average of $236). 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

Traveling to a place near Huntsville?

Book flights to Huntsville if you plan to visit one of these locations
Guntersville

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.

Top 3 airlines flying from Ontario to Huntsville

Discover the top 3 airlines that operate flights from Ontario to Huntsville. 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$432FlexibilityNo cancel feeOn-time71%
DeltaCheapest$288Average$428FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$313Average$483FlexibilityNo 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.