Cheap Flights from Detroit to Ontario

Cheapest flights from Detroit to Ontario

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Detroit to Ontario. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$252

Frontier Airlines

1 layover

6h 22m

09/29/2026

The cheapest one-way flight from Detroit to Ontario departs on 09/29/2026, is operated by Frontier Airlines and costs $252

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Detroit to Ontario

The fastest flight

6h 22m

Fastest flight from Detroit to Ontario takes 6h 22m

Direct flights

No direct flights

There are no direct flights on this route.

Distance

3135km

Timezone difference

3h

The distance between Detroit and Ontario is 3135km (1944 miles). The time difference between Detroit and Ontario is 3h

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Detroit to Ontario by month

The minimum one-way ticket price from Detroit to Ontario is $149 (September 2026), while the maximum is $167 (November 2026). On average, a ticket costs $159–$329.

September 2026

Lowest price

on average:

$149

November 2026

Highest price

on average:

$167

Avg Price

Price dynamics

Flight prices from Detroit to Ontario barely change from month to month. You can comfortably choose any convenient dates — there won't be a significant overpayment.

Cheaper and more expensive periods

There is a slight difference: it's a bit cheaper in September 2026–October 2026 (averaging $156) and slightly more in October 2026–November 2026 ($165). But overall, the difference is small.

Best time to buy

On this route, you don't need to target specific months — prices are stable. The difference between the cheapest and most expensive period is only 5%. Book whenever it's convenient.

Price predictability

Monthly price variation is just 4.7%. Ticket costs on this route are among the most predictable.

Airlines operating on route

The route Detroit — Ontario is served by a single airline — Frontier Airlines. This means that when planning your trip, you won’t need to spend time choosing between dozens of carriers: all flights are operated by one provider, which simplifies the booking process. Despite the limited choice, passengers can still plan ahead, select optimal departure dates, and buy tickets at the lowest price — from $252. Using our service, you can quickly compare available Frontier Airlines flights and book a seat in advance at a favorable rate.

Frontier Airlines

starting at $252

Non-stop flights from Detroit to Ontario

A non-stop flight is the most convenient and comfortable way to fly from Detroit to Ontario, despite the fact that sometimes flights with transfers can cost significantly less.

There appear to be no non-stop flights from Detroit to Ontario at this time.... Well, or something went wrong on our side and we couldn't find anything

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Detroit to Ontario?

The cheapest flight ticket from Detroit to Ontario according to data for the last 48 hours costs $252

When is the best time to buy air tickets on the route Detroit — Ontario?

Often the best time to buy tickets from Detroit to Ontario is 2 months before departure.

When is the cheapest time of year to fly from Detroit to Ontario?

Based on statistics over the past years, the lowest prices for flights from Detroit to Ontario can be found flying in these months: September, October, November.

How long does it take to fly from Detroit to Ontario?

The fastest flights from Detroit to Ontario start from 6 hours 22 minutes in the air.

Which airline can fly direct from Detroit to Ontario?

The following airlines operate direct flights on the route Detroit — Ontario:

Special offers and sales on air tickets from Detroit to Ontario

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Detroit to Ontario

Cheapest one way flight

$252

Frontier Airlines

1 layover

6h 22m

09/29/2026

The cheapest one-way flight from Detroit to Ontario departs on 09/29/2026, is operated by Frontier Airlines and costs $252

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Detroit to Ontario

The fastest flight

6h 22m

Fastest flight from Detroit to Ontario takes 6h 22m

Direct flights

No direct flights

There are no direct flights on this route.

Distance

3135km

Timezone difference

3h

The distance between Detroit and Ontario is 3135km (1944 miles). The time difference between Detroit and Ontario is 3h

Price dynamics

Flight prices from Detroit to Ontario barely change from month to month. You can comfortably choose any convenient dates — there won't be a significant overpayment.

Cheaper and more expensive periods

There is a slight difference: it's a bit cheaper in September 2026–October 2026 (averaging $156) and slightly more in October 2026–November 2026 ($165). But overall, the difference is small.

Best time to buy

On this route, you don't need to target specific months — prices are stable. The difference between the cheapest and most expensive period is only 5%. Book whenever it's convenient.

Price predictability

Monthly price variation is just 4.7%. Ticket costs on this route are among the most predictable.

What is the cheapest price for flights from Detroit to Ontario?

The cheapest flight ticket from Detroit to Ontario according to data for the last 48 hours costs $252

When is the best time to buy air tickets on the route Detroit — Ontario?

Often the best time to buy tickets from Detroit to Ontario is 2 months before departure.

When is the cheapest time of year to fly from Detroit to Ontario?

Based on statistics over the past years, the lowest prices for flights from Detroit to Ontario can be found flying in these months: September, October, November.

How long does it take to fly from Detroit to Ontario?

The fastest flights from Detroit to Ontario start from 6 hours 22 minutes in the air.

Which airline can fly direct from Detroit to Ontario?

The following airlines operate direct flights on the route Detroit — Ontario:

Cheap Flights from Detroit to Ontario — $252

Compare airlines, prices, and flight durations for your trip

Cheapest flights from Detroit to Ontario

Cheapest one way flight

$252

Frontier Airlines

1 layover

6h 22m

09/29/2026

Cheapest round trip flight

—

—

—

—

—

The fastest flight

6h 22m

Direct flights

No direct flights

Distance

3135km

Timezone difference

3h

Airfare from Detroit to Ontario by month

September 2026

on average:

$149

November 2026

on average:

$167

Price dynamics

Cheaper and more expensive periods

Best time to buy

Price predictability

Airlines operating on route

Non-stop flights from Detroit to Ontario

Schedule of direct flights from Detroit to Ontario

Detroit airports overview

Detroit City

Detroit Metropolitan Wayne County Airport

Willow Run Airport

Ontario airports overview

Ontario International Airport

Frequently asked questions (FAQ)

Special offers and sales on air tickets from Detroit to Ontario

Alternative routes

Cheapest one way flight

$252

Frontier Airlines

1 layover

6h 22m

09/29/2026

Cheapest round trip flight

—

—

—

—

—

The fastest flight

6h 22m

Direct flights

No direct flights

Distance

3135km

Timezone difference

3h

September 2026

on average:

$149

November 2026

on average:

$167

Price dynamics

Cheaper and more expensive periods

Best time to buy

Price predictability

Detroit City

Detroit Metropolitan Wayne County Airport

Willow Run Airport

Ontario International Airport