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$575+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
MQT — ONT
Apr 23 — Apr 301
Wed 4/23
Wed 4/30
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 April 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$575
(American Airlines)

Popular in

August

Cheapest in

May

Average price

$568
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
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Highest demand for flights based on searches. 6% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 18, 2025.

This American Airlines deal was found by Cheapflights users on 4/17. 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 5/296:45 amMQT - ONT
2 stops10h 07mAmerican Airlines
Wed 6/47:30 amONT - MQT
2 stops11h 13mAmerican Airlines
Deal found 4/17$575

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 April 18, 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

Thu 5/29

6:45 am-1:52 pm

2 stops10h 07m

Ontario

Wed 6/4

7:30 am-9:43 pm

2 stops11h 13m

$575

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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.

Cheapflights Insights

Everything you need to know about your flight from Marquette to Ontario

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 April 18, 2025.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Crew

8.0

Food

6.5

Entertainment

6.9

Comfort

7.2

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Crew

8.0

Food

6.5

Entertainment

6.9

Comfort

7.2

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

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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