In terms of precipitation, rainfall in Hyannis ranges from 3.0 - 4.1 inches per month. March is typically the wettest month, when rainfall can reach 4.1 in. June is typically the driest time to visit Hyannis when rainfall is around 3.0 in.

If weather is an important factor for your trip to Hyannis, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

How far in advance should I book a flight from Region of Ontario to Hyannis?

Travelers have found it’s best to book a flight 61 days in advance to save up to 95% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Region of Ontario to Hyannis 1-2 weeks in advance for as low as $291, or $568 for flights within the next 24 hours.

What is the cheapest month to fly from Region of Ontario to Hyannis?

The best pricing can be found in the month of March. Prices to Hyannis from Region of Ontario average $278. You can even find prices in March for less than $278, as users have found deals to Hyannis from as low as $178. The month of December appears to be one of the more expensive times to travel to Hyannis from Region of Ontario. Flying in the targeted month can save you up to 8%.

What is the cheapest time of day to fly from ON to HYA?

When flying from Region of Ontario to Hyannis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Hyannis from Ontario?

Hyannis Barnstable (HYA) is the airport you will fly into if you book a flight from Ontario to Hyannis. It is only a 1.0 mi journey from Barnstable (HYA) to Hyannis’s city center.

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

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

How can I find direct flights from Ontario to Hyannis?

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

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

Yes. Cheapflights offers flight deals from Ontario to Hyannis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$319+ Flights from Ontario to Hyannis

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Cheap flight deals from Ontario to Hyannis

Round-trip from	$786 (American Airlines)
One-way from	$319 (American Airlines)
Popular in	December
Cheapest in	March
Average price	$275

From Ontario to Hyannis Barnstable

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One-way flight from Ontario to Hyannis Barnstable

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Highest demand for flights based on searches. 6% potential increase in price ($18 potential increase over avg. RT price).

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Cheapest flight prices on average. 0% potential price decrease ($2 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 Ontario to Hyannis

Cheapest flights from Ontario to Hyannis
Explore the most affordable flight options available from Ontario to Hyannis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

mar. 8/125:59 pmYYZ - HYA

1 stop17h 41mAmerican Airlines

mié. 8/131:44 pmHYA - YYZ

1 stop4h 47mAmerican Airlines

Deal found 7/31

$786

Best flights from Ontario to Hyannis
Discover carefully curated flight deals from Ontario to Hyannis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 31, 2025.

mar. 8/125:59 pmYYZ - HYA

1 stop17h 41mAmerican Airlines

mié. 8/131:44 pmHYA - YYZ

1 stop4h 47mAmerican Airlines

Deal found 7/31

$786

Last-minute flights from Ontario to Hyannis
Discover last-minute flight deals from Ontario to Hyannis. Data last updated julio 31, 2025 and is based on user searches.

mar. 8/125:59 pmYYZ - HYA

1 stop17h 41mAmerican Airlines

mié. 8/131:44 pmHYA - YYZ

1 stop4h 47mAmerican Airlines

Deal found 7/31

$786

One-way flights from Ontario to Hyannis
Search for one-way flight options from Ontario to Hyannis. Find affordable one-way fares based on user searches. Data last updated julio 31, 2025.

sáb. 8/303:28 pmYYZ - HYA

1 stop21h 34mAmerican Airlines

Deal found 7/29

$319

sáb. 8/309:15 amYYZ - HYA

2 stops32h 23mMultiple Airlines

Deal found 7/29

$356

Fly from

Fly to

Route

Depart

Return

Price

TorontoHyannis

YYZ - HYA

YYZHYA

Toronto Pearson Intl

mar. 8/12

5:59 pm-11:40 am

1 stop17h 41m

Hyannis Barnstable

mié. 8/13

1:44 pm-6:31 pm

1 stop4h 47m

$786

TorontoHyannis

YYZ - HYA

YYZHYA

Toronto Pearson Intl

sáb. 8/30

3:28 pm-1:02 pm

1 stop21h 34m

$319

TorontoHyannis

YYZ - HYA

YYZHYA

Toronto Pearson Intl

sáb. 8/30

9:15 am-5:38 pm

2 stops32h 23m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Ontario to Hyannis

Have a flexible travel schedule? Discover the best time to fly to Hyannis 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 Hyannis

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Hyannis

Peruse reviews from past customers who have flown with American Airlines from Ontario to Hyannis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

Related info for your journey

What airport do you fly into for flights to Hyannis from Ontario?
Hyannis Barnstable (HYA) is the airport you will fly into if you book a flight from Ontario to Hyannis. It is only a 1.0 mi journey from Barnstable (HYA) to Hyannis’s city center.
Can I find deals for flights from Ontario to Hyannis that include hotel bookings?
Yes. In addition to deals on Ontario to Hyannis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Hyannis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Hyannis.
Can I find deals for business class flights from Ontario to Hyannis?
Yes. Cheapflights offers flight deals from Ontario to Hyannis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to Hyannis

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Other flights to Hyannis

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$319+ Cheap flights from Ontario to Hyannis (HYA)

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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Hyannis 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 Hyannis

Keep the following information in mind while searching for Ontario to Hyannis flight deals. Data was last updated julio 31, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Hyannis

Cheapest flights from Ontario to HyannisExplore the most affordable flight options available from Ontario to Hyannis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

Explore the most affordable flight options available from Ontario to Hyannis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Ontario to Hyannis

Have a flexible travel schedule? Discover the best time to fly to Hyannis from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Hyannis

Reviews of airlines servicing Hyannis

Peruse reviews from past customers who have flown with American Airlines from Ontario to Hyannis to help guide your decision. You can also see how each airline stacks up 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 Hyannis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Hyannis from Ontario?

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

How can I find direct flights from Ontario to Hyannis?

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

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 Ontario to Hyannis

See prices for flight routes from nearby airports that may be better suited for you.

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Travel Smart

Cheapest flights from Ontario to Hyannis
Explore the most affordable flight options available from Ontario to Hyannis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.