How long is the flight from Ontario to Huntsville?

A quick flight from Ontario to Huntsville can take about 6h 05m. United Airlines provides one of the quickest options available for as low as $309. 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 $303, respectively. American Airlines is priced at 36% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Huntsville ranges from 3.6 - 5.8 inches per month. December is typically the wettest month, when rainfall can reach 5.8 in. August is typically the driest time to visit Huntsville when rainfall is around 3.6 in.

If weather is an important factor for your trip to Huntsville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What are the most popular airlines that fly from Ontario to Huntsville?

Before booking your flight from Ontario to Huntsville check out the most popular airlines for this route: American Airlines, United Airlines or Delta.

Most accurate provider : When it comes to deals on Ontario-Huntsville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Huntsville flight deals on Cheapflights vs. eDreams >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 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 Ontario-Huntsville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$211+ Flights from Ontario to Huntsville

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1. Tell us where you want to go

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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

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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 December 15, 2025.

Mon 12/292:42 pmONT - HSV

1 stop6h 17mAmerican Airlines

Tue 1/65:29 pmHSV - ONT

1 stop7h 19mAmerican Airlines

Deal found 12/14

$466

Wed 12/1710:25 pmONT - HSV

1 stop7h 44mDelta

Mon 12/225:23 amHSV - ONT

1 stop6h 37mDelta

Deal found 12/14

$477

Thu 12/1810:25 pmONT - HSV

1 stop8h 44mDelta

Mon 12/225:23 amHSV - ONT

1 stop6h 37mDelta

Deal found 12/14

$484

Wed 12/315:05 amONT - HSV

1 stop7h 30mUnited Airlines

Mon 1/51:50 pmHSV - ONT

1 stop10h 35mUnited Airlines

Deal found 12/13

$494

Wed 12/1710:25 pmONT - HSV

1 stop8h 44mDelta

Sun 12/215:23 amHSV - ONT

1 stop6h 37mDelta

Deal found 12/14

$502

Thu 12/1810:25 pmONT - HSV

1 stop7h 44mDelta

Sun 12/215:23 amHSV - ONT

1 stop6h 37mDelta

Deal found 12/14

$509

Sat 12/131:34 pmONT - HSV

1 stop5h 35mUnited Airlines

Mon 12/153:41 pmHSV - ONT

1 stop7h 01mUnited Airlines

Deal found 12/12

$512

Best flights from Ontario to Huntsville
Discover carefully curated flight deals from Ontario to Huntsville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Tue 5/51:40 pmONT - HSV

1 stop6h 05mUnited Airlines

Mon 5/112:55 pmHSV - ONT

1 stop8h 55mUnited Airlines

Deal found 12/12

$309

Thu 2/2611:59 pmONT - HSV

1 stop6h 50mAmerican Airlines

Tue 3/312:50 pmHSV - ONT

1 stop7h 49mAmerican Airlines

Deal found 12/12

$309

Thu 2/2610:20 pmONT - HSV

1 stop7h 51mDelta

Tue 3/32:57 pmHSV - ONT

1 stop8h 08mDelta

Deal found 12/14

$309

Thu 1/295:05 amONT - HSV

1 stop6h 52mUnited Airlines

Tue 2/38:00 amHSV - ONT

1 stop6h 47mUnited Airlines

Deal found 12/14

$309

Thu 1/2911:59 pmONT - HSV

2 stops11h 04mAmerican Airlines

Tue 2/310:51 amHSV - ONT

2 stops9h 29mAmerican Airlines

Deal found 12/14

$319

Last-minute flights from Ontario to Huntsville
Discover last-minute flight deals from Ontario to Huntsville. Data last updated December 15, 2025 and is based on user searches.

Wed 12/1710:25 pmONT - HSV

1 stop7h 44mDelta

Mon 12/225:23 amHSV - ONT

1 stop6h 37mDelta

Deal found 12/14

$477

Thu 12/1810:25 pmONT - HSV

1 stop8h 44mDelta

Mon 12/225:23 amHSV - ONT

1 stop6h 37mDelta

Deal found 12/14

$484

Mon 12/292:42 pmONT - HSV

1 stop6h 17mAmerican Airlines

Tue 1/65:29 pmHSV - ONT

1 stop7h 19mAmerican Airlines

Deal found 12/14

$466

Wed 1/71:24 pmONT - HSV

1 stop5h 45mUnited Airlines

Sat 1/104:33 pmHSV - ONT

1 stop7h 25mUnited Airlines

Deal found 12/14

$399

Thu 1/295:05 amONT - HSV

1 stop6h 52mUnited Airlines

Tue 2/38:00 amHSV - ONT

1 stop6h 47mUnited Airlines

Deal found 12/14

$309

Thu 1/2911:59 pmONT - HSV

2 stops11h 04mAmerican Airlines

Tue 2/310:51 amHSV - ONT

2 stops9h 29mAmerican Airlines

Deal found 12/14

$319

One-way flights from Ontario to Huntsville
Search for one-way flight options from Ontario to Huntsville. Find affordable one-way fares based on user searches. Data last updated December 15, 2025.

Mon 1/56:00 pmONT - HSV

3 stops36h 54mMultiple Airlines

Deal found 12/13

$211

Mon 1/510:30 pmONT - HSV

1 stop8h 40mDelta

Deal found 12/12

$337

Sat 1/106:32 pmONT - HSV

2 stops17h 25mUnited Airlines

Deal found 12/13

$347

Fri 1/166:39 pmONT - HSV

2 stops24h 30mUnited Airlines

Deal found 12/14

$369

Tue 12/306:04 amONT - HSV

1 stop8h 59mUnited Airlines

Deal found 12/14

$384

Wed 12/245:05 amONT - HSV

1 stop7h 30mUnited Airlines

Deal found 12/13

$431

Mon 12/295:05 amONT - HSV

2 stops9h 58mUnited Airlines

Deal found 12/14

$490

Find flight deals from Ontario to Huntsville

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$309 (Delta)
One-way from	$211 (Kiwi.com)
Popular in	November
Cheapest in	January
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. 18% potential increase in price ($101 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Tue 5/5

1:40 pm-9:45 pm

1 stop6h 05m

Huntsville

Mon 5/11

2:55 pm-9:50 pm

1 stop8h 55m

$309

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Thu 2/26

11:59 pm-8:49 am

1 stop6h 50m

Huntsville

Tue 3/3

12:50 pm-6:39 pm

1 stop7h 49m

$309

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Thu 2/26

10:20 pm-8:11 am

1 stop7h 51m

Huntsville

Tue 3/3

2:57 pm-9:05 pm

1 stop8h 08m

$309

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Thu 1/29

5:05 am-1:57 pm

1 stop6h 52m

Huntsville

Tue 2/3

8:00 am-12:47 pm

1 stop6h 47m

$309

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Thu 1/29

11:59 pm-1:03 pm

2 stops11h 04m

Huntsville

Tue 2/3

10:51 am-6:20 pm

2 stops9h 29m

$319

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Mon 1/5

6:00 pm-8:54 am

3 stops36h 54m

$211

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Tue 12/23

6:17 pm-6:26 pm

1 stop22h 09m

$229

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Mon 1/5

10:40 pm-10:25 am

1 stop9h 45m

$337

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Mon 1/5

10:30 pm-9:10 am

1 stop8h 40m

$337

OntarioHuntsville

ONT - HSV

ONTHSV

Ontario

Fri 1/9

12:41 pm-10:30 pm

1 stop7h 49m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 15 results

Compare providers for flights from Ontario to Huntsville

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Huntsville in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Huntsville flight deals on Cheapflights vs. eDreams >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 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 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 $214). 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 ONT to HSV?

It’s optimal to fly from Ontario to Huntsville in the afternoon. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Huntsville

Read reviews from past customers who have flown Delta, United Airlines, and American 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

8,008 reviews

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

8,008 reviews

Delta

7.9

Good

8,008 reviews

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

9,092 reviews

Delta

7.9

Good

8,008 reviews

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

7.2

Good

11,051 reviews

Delta

7.9

Good

8,008 reviews

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

How long is the flight from Ontario to Huntsville?
A quick flight from Ontario to Huntsville can take about 6h 05m. United Airlines provides one of the quickest options available for as low as $309. 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 $303, respectively. American Airlines is priced at 36% 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 $214). 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

Cullman

Guntersville

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Top 3 airlines flying from Ontario to Huntsville

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$288	Average$398	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$288	Average$425	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$303	Average$488	FlexibilityNo cancel fee	On-time69%

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$211+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Huntsville with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Huntsville

Cheapest flights from Ontario to HuntsvilleExplore 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 December 15, 2025.

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 December 15, 2025.

Find flight deals from Ontario to Huntsville

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Huntsville that are best for you.

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 December.

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.

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?

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

Reviews of airlines servicing Huntsville

Read reviews from past customers who have flown Delta, United Airlines, and American 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.

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?

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

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

How can I find direct flights from Ontario to Huntsville?

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

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

Traveling to a place near Huntsville?

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Alternative routes for Ontario to Huntsville

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Top 3 airlines flying from Ontario to Huntsville

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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 December 15, 2025.