How long is the flight from Ontario to Marquette?

There are many flights that can get you from Ontario to Marquette in 16h 22m. Fly via Delta to get the fastest option. The distance from Ontario to Marquette is about 1789 mi.

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

Currently, September is the cheapest month in which you can book a flight from Ontario to Marquette (average of $457). Flying from Ontario to Marquette in March is currently the most expensive (average of $625). 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 day to fly from Ontario to Marquette?

Travelers seeking maximum savings on their Ontario to Marquette flight should consider departing on Tuesday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Marquette ranges from 1.6 - 3.9 inches per month. September is typically the wettest month, when rainfall can reach 3.9 in. February is typically the driest time to visit Marquette when rainfall is around 1.6 in.

If weather is an important factor for your trip to Marquette, 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Marquette as you normally would.

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

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

How can I find direct flights from Ontario to Marquette?

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

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

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

$387+ Flights from Ontario to Marquette

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Cheap flight deals from Ontario to Marquette

Round-trip from	$597 (Delta)
One-way from	$387 (Delta)
Popular in	October
Cheapest in	March
Average price	$662

From Ontario to Marquette Sawyer Intl

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One-way flight from Ontario to Marquette Sawyer Intl

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Highest demand for flights based on searches. 14% potential increase in price ($96 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Best flights from Ontario to Marquette
Discover carefully curated flight deals from Ontario to Marquette that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Fri 3/135:05 pmONT - MQT

2 stops16h 22mDelta

Tue 3/171:25 pmMQT - ONT

2 stops10h 49mDelta

Deal found 9/16

$597

One-way flights from Ontario to Marquette
Search for one-way flight options from Ontario to Marquette. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Wed 10/1510:00 pmONT - MQT

2 stops11h 23mDelta

Deal found 9/16

$387

Wed 10/156:15 amONT - MQT

3 stops12h 38mAmerican Airlines

Deal found 9/16

$582

Fly from

Fly to

Route

Depart

Return

Price

OntarioMarquette

ONT - MQT

ONTMQT

Ontario

Fri 3/13

5:05 pm-12:27 pm

2 stops16h 22m

Marquette Sawyer Intl

Tue 3/17

1:25 pm-9:14 pm

2 stops10h 49m

$597

OntarioMarquette

ONT - MQT

ONTMQT

Ontario

Wed 10/15

10:00 pm-12:23 pm

2 stops11h 23m

$387

OntarioMarquette

ONT - MQT

ONTMQT

Ontario

Wed 10/15

6:15 am-9:53 pm

3 stops12h 38m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Ontario to Marquette

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

Related info for your journey

How long is the flight from Ontario to Marquette?
There are many flights that can get you from Ontario to Marquette in 16h 22m. Fly via Delta to get the fastest option. The distance from Ontario to Marquette is about 1789 mi.
Can I find deals for flights from Ontario to Marquette that include hotel bookings?
Yes. In addition to deals on Ontario to Marquette flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Marquette?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Marquette.
Can I find deals for business class flights from Ontario to Marquette?
Yes. Cheapflights offers flight deals from Ontario to Marquette 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 Marquette?
Currently, September is the cheapest month in which you can book a flight from Ontario to Marquette (average of $457). Flying from Ontario to Marquette in March is currently the most expensive (average of $625). 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.

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$387+ Cheap flights from Ontario to Marquette (ONT - MQT)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Ontario to Marquette

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Best flights from Ontario to MarquetteDiscover carefully curated flight deals from Ontario to Marquette that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Discover carefully curated flight deals from Ontario to Marquette that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

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

Best time to book a flight from Ontario to Marquette

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

Related info for your journey

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

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

How can I find direct flights from Ontario to Marquette?

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

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

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Best flights from Ontario to Marquette
Discover carefully curated flight deals from Ontario to Marquette that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.