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$453+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
MQT — ONT
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
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 March 19, 2026.

This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:55 am
MQT
-
ONT
1 stop9h 24m
United Airlines
Tue 9/17:13 pm
ONT
-
MQT
2 stops13h 02m
United Airlines
Deal found 3/17$530
This American Airlines deal was found by Cheapflights users on 3/18. 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.
Fri 3/202:43 pm
MQT
-
ONT
2 stops12h 16m
American Airlines
Sun 3/2211:58 pm
ONT
-
MQT
2 stops11h 15m
American Airlines
Deal found 3/18$677
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Fri 3/202:43 pm
MQT
-
ONT
2 stops12h 16m
American Airlines
Sat 3/219:53 am
ONT
-
MQT
2 stops8h 07m
American Airlines
Deal found 3/16$699
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Thu 3/262:43 pm
MQT
-
ONT
2 stops10h 24m
American Airlines
Wed 4/17:00 am
ONT
-
MQT
2 stops11h 15m
American Airlines
Deal found 3/17$874

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 March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$530
(United Airlines)

One-way from

$453
(American Airlines)
Provider with most accurate pricing for Marquette Sawyer Intl-Los Angeles Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Marquette Sawyer Intl-Los Angeles Los Angeles flights.
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From Marquette Sawyer Intl to Ontario
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One-way flight from Marquette Sawyer Intl to Ontario
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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 March 19, 2026.
Use the filters below to find and compare flights from Marquette to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Sat 8/29

11:55 am-10:58 pm

2 stops14h 03m

Ontario

Tue 9/1

7:13 pm-11:15 am

2 stops13h 02m

$535
Cheapest one-way

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Tue 3/24

2:59 pm-10:49 pm

2 stops10h 50m

$453
Quickest one-way

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Sun 3/29

5:12 pm-11:51 pm

2 stops9h 39m

$503

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Wed 3/25

8:07 am-4:22 pm

2 stops11h 15m

$510

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Thu 3/26

2:43 pm-10:07 pm

2 stops10h 24m

$558

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Wed 4/8

5:12 pm-11:51 pm

2 stops9h 39m

$651

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Tue 4/7

7:30 am-4:28 pm

2 stops11h 58m

$2,385

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Sat 3/28

7:30 am-4:28 pm

2 stops11h 58m

$2,872

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Sorted by cheapest first

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 $535, United Airlines can have you in Ontario from Marquette in 14h 03m. 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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