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$693+ Cheap flights from Marquette to Ontario (MQT - ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
MQT — ONT
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap 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 July 30, 2025.

Round-trip from

$693
(Delta)
From Marquette Sawyer Intl to Ontario
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Find 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 July 30, 2025.

This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/101:25 pmMQT - ONT
2 stops11h 47mDelta
Mon 10/1310:29 pmONT - MQT
2 stops10h 54mDelta
Deal found 7/29$693

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 July 30, 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

Fri 10/10

1:25 pm-10:12 pm

2 stops11h 47m

Ontario

Mon 10/13

10:29 pm-12:23 pm

2 stops10h 54m

$693

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated July 30, 2025.
Get a feel of what it's like to fly with Delta from Marquette to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Marquette to Ontario (average of $246). Flying from Marquette to Ontario in March is currently the most expensive (average of $328). 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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