HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$374+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
MQT — ONT
Jul 19 — Jul 261
Sun 7/19
Sun 7/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Marquette to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 19, 2026.

This United Airlines deal was found by Cheapflights users on 6/14. 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.
Sun 11/154:30 pm
MQT
-
ONT
1 stop8h 56m
United Airlines
Mon 11/166:53 pm
ONT
-
MQT
2 stops17h 57m
United Airlines
Deal found 6/14$899

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 June 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$899
(United Airlines)

One-way from

$374
(Delta)
Provider with most accurate pricing for Marquette Sawyer Intl-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Marquette Sawyer Intl-Los Angeles flights.
Search Deals
From Marquette Sawyer Intl to Ontario
Search Deals
One-way flight from Marquette Sawyer Intl to Ontario
Search Deals

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 June 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

Sun 11/15

4:30 pm-10:26 pm

1 stop8h 56m

Ontario

Mon 11/16

6:53 pm-3:50 pm

2 stops17h 57m

$899
Cheapest one-way
Quickest one-way

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Fri 7/10

5:12 pm-11:48 pm

2 stops9h 36m

$374

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Thu 7/9

5:12 pm-11:48 pm

2 stops9h 36m

$374

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Sat 7/11

4:38 pm-11:59 pm

2 stops10h 21m

$560

MarquetteOntario

MQT - ONT

MQTONT

Marquette Sawyer Intl

Tue 7/7

7:30 am-12:10 pm

2 stops31h 40m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

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 $899, United Airlines can have you in Ontario from Marquette in 8h 56m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Marquette to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Las Vegas flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to San Francisco flights
Detroit to Las Vegas flights
O'Hare Intl to San Diego flights
Midway to Las Vegas flights
O'Hare Intl to Ontario flights
Detroit to Los Angeles flights
Midway to Los Angeles flights
Detroit to San Francisco flights
Midway to San Francisco flights
O'Hare Intl to Santa Ana flights
O'Hare Intl to San Jose flights
O'Hare Intl to Burbank flights
Detroit to San Diego flights
Detroit to Ontario flights
O'Hare Intl to Sacramento flights
O'Hare Intl to Reno flights
Rockford to Las Vegas flights
O'Hare Intl to Oakland flights
O'Hare Intl to Palm Springs flights
Midway to San Diego flights
Grand Rapids to Las Vegas flights
O'Hare Intl to Fresno flights
Detroit to Santa Ana flights
O'Hare Intl to Santa Barbara flights
Detroit to Burbank flights
Midway to Ontario flights
Flint to Las Vegas flights
Grand Rapids to Los Angeles flights
Grand Rapids to San Francisco flights
Midway to Reno flights
O'Hare Intl to Long Beach flights
Grand Rapids to San Diego flights
Detroit to Oakland flights
Detroit to Fresno flights
Midway to Palm Springs flights
Detroit to Reno flights
Detroit to San Jose flights
Midway to San Jose flights
Midway to Sacramento flights
Midway to Oakland flights
South Bend to Las Vegas flights
Detroit to Sacramento flights
Traverse City to Las Vegas flights
Grand Rapids to Santa Ana flights
Grand Rapids to Ontario flights
O'Hare Intl to Monterey flights
Lansing to Las Vegas flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights