How long is the flight from Ontario to Marquette?

There are many flights that can get you from Ontario to Marquette in 20h 28m. Fly via Delta to get the fastest option. The distance from Ontario to Marquette is about 1789 mi.

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.

Most accurate provider : When it comes to deals on Ontario-Marquette flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Marquette flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Marquette flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Marquette 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-Marquette 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 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.

$353+ Flights from Ontario to Marquette

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1. Tell us where you want to go

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Cheap flight deals from Ontario to Marquette

Cheapest flights from Ontario to Marquette
Explore the most affordable flight options available from Ontario to Marquette. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

Tue 8/46:53 pm

ONT

MQT

2 stops14h 02m

United Airlines

Wed 8/1212:30 pm

MQT

ONT

2 stops11h 51m

United Airlines

Deal found 1/27

$709

Mon 6/295:05 pm

ONT

MQT

2 stops20h 28m

Delta

Thu 7/305:08 pm

MQT

ONT

2 stops9h 36m

Delta

Deal found 1/26

$721

Wed 7/15:05 pm

ONT

MQT

2 stops20h 28m

Delta

Thu 7/305:08 pm

MQT

ONT

2 stops9h 36m

Delta

Deal found 1/26

$771

Mon 6/295:05 pm

ONT

MQT

2 stops20h 28m

Delta

Sat 8/17:31 am

MQT

ONT

2 stops13h 30m

Delta

Deal found 1/26

$797

Mon 6/295:05 pm

ONT

MQT

2 stops20h 28m

Delta

Mon 8/35:08 pm

MQT

ONT

2 stops9h 36m

Delta

Deal found 1/26

$847

Sat 6/277:00 am

ONT

MQT

1 stop13h 40m

United Airlines

Sat 8/14:30 pm

MQT

ONT

1 stop8h 56m

United Airlines

Deal found 1/26

$855

Mon 6/295:05 pm

ONT

MQT

2 stops20h 28m

Delta

Sun 8/25:08 pm

MQT

ONT

2 stops9h 36m

Delta

Deal found 1/26

$870

Sun 6/285:05 pm

ONT

MQT

2 stops20h 28m

Delta

Thu 7/305:08 pm

MQT

ONT

2 stops9h 36m

Delta

Deal found 1/26

$871

Sun 6/287:00 am

ONT

MQT

1 stop13h 40m

United Airlines

Sat 8/14:30 pm

MQT

ONT

1 stop8h 56m

United Airlines

Deal found 1/26

$875

Wed 7/15:05 pm

ONT

MQT

2 stops20h 28m

Delta

Mon 8/35:08 pm

MQT

ONT

2 stops9h 36m

Delta

Deal found 1/26

$897

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 January 28, 2026.

Thu 7/25:05 pm

ONT

MQT

2 stops20h 28m

Delta

Thu 7/305:08 pm

MQT

ONT

2 stops9h 36m

Delta

Deal found 1/26

$721

Sun 6/287:00 am

ONT

MQT

1 stop13h 40m

United Airlines

Sat 8/14:30 pm

MQT

ONT

1 stop8h 56m

United Airlines

Deal found 1/26

$875

Mon 6/295:05 pm

ONT

MQT

2 stops20h 28m

Delta

Thu 7/305:08 pm

MQT

ONT

2 stops9h 36m

Delta

Deal found 1/26

$721

Mon 6/295:05 pm

ONT

MQT

2 stops20h 28m

Delta

Sat 8/17:31 am

MQT

ONT

2 stops13h 30m

Delta

Deal found 1/26

$797

Tue 6/306:02 am

ONT

MQT

3 stops14h 38m

United Airlines

Sat 8/14:30 pm

MQT

ONT

1 stop8h 56m

United Airlines

Deal found 1/26

$880

Thu 7/25:05 pm

ONT

MQT

2 stops20h 28m

Delta

Sat 8/17:31 am

MQT

ONT

2 stops13h 30m

Delta

Deal found 1/26

$797

Thu 7/25:05 pm

ONT

MQT

2 stops20h 28m

Delta

Mon 8/35:08 pm

MQT

ONT

2 stops9h 36m

Delta

Deal found 1/26

$847

Mon 6/295:05 pm

ONT

MQT

2 stops20h 28m

Delta

Mon 8/35:08 pm

MQT

ONT

2 stops9h 36m

Delta

Deal found 1/26

$847

Thu 7/25:05 pm

ONT

MQT

2 stops20h 28m

Delta

Sun 8/25:08 pm

MQT

ONT

2 stops9h 36m

Delta

Deal found 1/26

$870

Mon 6/295:05 pm

ONT

MQT

2 stops20h 28m

Delta

Sun 8/25:08 pm

MQT

ONT

2 stops9h 36m

Delta

Deal found 1/26

$870

Sun 6/285:05 pm

ONT

MQT

2 stops20h 28m

Delta

Thu 7/305:08 pm

MQT

ONT

2 stops9h 36m

Delta

Deal found 1/26

$871

Tue 6/305:05 pm

ONT

MQT

2 stops20h 28m

Delta

Thu 7/305:08 pm

MQT

ONT

2 stops9h 36m

Delta

Deal found 1/26

$871

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 January 28, 2026.

Tue 4/1410:15 pm

ONT

MQT

2 stops15h 24m

Delta

Deal found 1/26

$353

Tue 4/1411:59 pm

ONT

MQT

3 stops11h 15m

American Airlines

Deal found 1/26

$607

Find flight deals from Ontario to Marquette

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$721 (Delta)
One-way from	$353 (Delta)
Popular in	October
Cheapest in	December
Average price	$563

Provider with most accurate pricing for Ontario-Marquette Sawyer Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Marquette Sawyer Intl flights.

Search Deals

From Ontario to Marquette Sawyer Intl

Search Deals

One-way flight from Ontario to Marquette Sawyer Intl

Search Deals

Highest demand for flights based on searches. 24% potential increase in price ($165 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

OntarioMarquette

ONT - MQT

ONTMQT

Ontario

Thu 7/2

5:05 pm-4:33 pm

2 stops20h 28m

Marquette Sawyer Intl

Thu 7/30

5:08 pm-11:44 pm

2 stops9h 36m

$721

OntarioMarquette

ONT - MQT

ONTMQT

Ontario

Mon 6/29

5:05 pm-4:33 pm

2 stops20h 28m

Marquette Sawyer Intl

Thu 7/30

5:08 pm-11:44 pm

2 stops9h 36m

$721

OntarioMarquette

ONT - MQT

ONTMQT

Ontario

Mon 6/29

5:05 pm-4:33 pm

2 stops20h 28m

Marquette Sawyer Intl

Sat 8/1

7:31 am-6:01 pm

2 stops13h 30m

$797

OntarioMarquette

ONT - MQT

ONTMQT

Ontario

Thu 7/2

5:05 pm-4:33 pm

2 stops20h 28m

Marquette Sawyer Intl

Sat 8/1

7:31 am-6:01 pm

2 stops13h 30m

$797

OntarioMarquette

ONT - MQT

ONTMQT

Ontario

Thu 7/2

5:05 pm-4:33 pm

2 stops20h 28m

Marquette Sawyer Intl

Mon 8/3

5:08 pm-11:44 pm

2 stops9h 36m

$847

OntarioMarquette

ONT - MQT

ONTMQT

Ontario

Mon 6/29

5:05 pm-4:33 pm

2 stops20h 28m

Marquette Sawyer Intl

Mon 8/3

5:08 pm-11:44 pm

2 stops9h 36m

$847

OntarioMarquette

ONT - MQT

ONTMQT

Ontario

Thu 7/2

5:05 pm-4:33 pm

2 stops20h 28m

Marquette Sawyer Intl

Sun 8/2

5:08 pm-11:44 pm

2 stops9h 36m

$870

OntarioMarquette

ONT - MQT

ONTMQT

Ontario

Mon 6/29

5:05 pm-4:33 pm

2 stops20h 28m

Marquette Sawyer Intl

Sun 8/2

5:08 pm-11:44 pm

2 stops9h 36m

$870

OntarioMarquette

ONT - MQT

ONTMQT

Ontario

Sun 6/28

5:05 pm-4:33 pm

2 stops20h 28m

Marquette Sawyer Intl

Thu 7/30

5:08 pm-11:44 pm

2 stops9h 36m

$871

OntarioMarquette

ONT - MQT

ONTMQT

Ontario

Tue 6/30

5:05 pm-4:33 pm

2 stops20h 28m

Marquette Sawyer Intl

Thu 7/30

5:08 pm-11:44 pm

2 stops9h 36m

$871

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 14 results

Compare providers for flights from Ontario to Marquette

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

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust 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-Marquette flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Marquette flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Marquette flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Marquette 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-Marquette 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 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 20h 28m. 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.

See more FAQs

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$353+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Marquette 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 Marquette

Cheapest flights from Ontario to MarquetteExplore the most affordable flight options available from Ontario to Marquette. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

Explore the most affordable flight options available from Ontario to Marquette. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

Find flight deals from Ontario to Marquette

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 Marquette that are best for you.

Compare providers for flights from Ontario to Marquette

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 Marquette in January.

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?

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Cheapest flights from Ontario to Marquette
Explore the most affordable flight options available from Ontario to Marquette. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.