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$353+ Cheap flights from Marquette to Ontario (MQT - ONT)

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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
MQT — ONT
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Marquette to Ontario

Cheapest flights from Marquette to Ontario
Explore the most affordable flight options available from Marquette to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:10 amMQT - ONT
2 stops9h 42mAmerican Airlines
Thu 1/89:59 amONT - MQT
2 stops8h 54mAmerican Airlines
Deal found 12/10$868
This American Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:21 pmMQT - ONT
2 stops18h 27mAmerican Airlines
Sun 1/411:59 pmONT - MQT
2 stops13h 51mAmerican Airlines
Deal found 12/10$1,013
This American Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:10 amMQT - ONT
2 stops28h 38mAmerican Airlines
Mon 1/57:10 amONT - MQT
2 stops10h 58mAmerican Airlines
Deal found 12/10$1,027
This American Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:21 pmMQT - ONT
2 stops18h 27mAmerican Airlines
Fri 1/29:53 amONT - MQT
2 stops8h 15mAmerican Airlines
Deal found 12/10$1,141
This American Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:10 amMQT - ONT
2 stops9h 42mAmerican Airlines
Sat 1/39:53 amONT - MQT
2 stops8h 40mAmerican Airlines
Deal found 12/10$1,186

Find flight deals from Marquette to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Marquette (MQT) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$385
(American Airlines)

One-way from

$353
(Delta)

Popular in

December

Cheapest in

September

Average price

$683
Provider with most accurate pricing for Marquette Sawyer Intl-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Marquette Sawyer Intl-Los Angeles flights.
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From Marquette Sawyer Intl to Ontario
Search Deals
One-way flight from Marquette Sawyer Intl to Ontario
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($132 potential increase over avg. RT price).
Search Deals
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 December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Marquette to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Marquette to Ontario that are best for you.

Fly from

Marquette

Fly to

Ontario

Route

Depart

Return

Price

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Wed 2/4

8:04 am-6:45 pm

2 stops13h 41m

Ontario

Wed 2/11

6:00 am-9:53 pm

2 stops12h 53m

$385

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Mon 12/29

7:10 am-9:38 am

2 stops29h 28m

Ontario

Tue 1/6

9:59 am-9:53 pm

2 stops8h 54m

$868

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Mon 12/29

7:10 am-9:38 am

2 stops29h 28m

Ontario

Wed 1/7

9:59 am-9:53 pm

2 stops8h 54m

$868

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Mon 12/29

7:10 am-1:52 pm

2 stops9h 42m

Ontario

Thu 1/8

9:59 am-9:53 pm

2 stops8h 54m

$868

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Mon 12/29

5:21 pm-8:48 am

2 stops18h 27m

Ontario

Sun 1/4

11:59 pm-4:50 pm

2 stops13h 51m

$1,013

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Mon 12/29

7:10 am-8:48 am

2 stops28h 38m

Ontario

Mon 1/5

7:10 am-9:08 pm

2 stops10h 58m

$1,027

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Mon 12/29

5:21 pm-8:48 am

2 stops18h 27m

Ontario

Fri 1/2

9:53 am-9:08 pm

2 stops8h 15m

$1,141

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Wed 3/25

5:12 pm-11:54 pm

2 stops9h 42m

$353

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Wed 3/18

5:12 pm-11:54 pm

2 stops9h 42m

$353

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Thu 3/19

5:12 pm-11:54 pm

2 stops9h 42m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 19 results
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Best time to book a flight from Marquette to Ontario

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

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

    For as low as $385, American Airlines can have you in Ontario from Marquette in 13h 41m. Airlines will cover a distance of 1789 mi.

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

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

  • How can I find direct flights from Marquette to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Marquette to Ontario 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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