MDW - ONT

$117 Find Cheap Flights from Chicago Midway Airport to Ontario - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$212
Typical prices: $302-$546
Frontier
Mon 11/12Fri 11/16
MDW - ONT • 1 stop
Cheapest non-stop
$268
Typical prices: $291-$547
Southwest
Tue 12/4Thu 12/6
MDW - ONT • Non-stop
Nonstop flights
Every day
You can fly direct with Southwest. Average duration is 4h 19m
Direct flights
+1
Direct flights
+1
When to travel
December
Cheapest • 34% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
San Jose (SJC)
Cheapest • Avg $473 (round-trip)
Denver Intl (DEN)
Shortest trip • 5h 58m (one-way)
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Expert advice
Flight Deals

Cheap Flights from Midway to Ontario (MDW-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Midway to Ontario

Thu, Nov 12 - Mon, Nov 16
Frontier Logo
12:20 pm - 7:08 pmMDW  Chicago Midway-ONT Ontario
8h 48m1 stop Dallas/Fort Worth
Frontier Logo
8:03 pm - 11:22 amONT  Ontario-MDW Chicago Midway
13h 19m1 stop Dallas/Fort Worth
$212Frontier
Thu, Oct 29 - Mon, Nov 2
Frontier Logo
12:20 pm - 7:08 pmMDW  Chicago Midway-ONT Ontario
8h 48m1 stop Dallas/Fort Worth
Frontier Logo
8:03 pm - 11:22 amONT  Ontario-MDW Chicago Midway
13h 19m1 stop Dallas/Fort Worth
$236Frontier
Fri, Nov 13 - Mon, Nov 16
Frontier Logo
12:20 pm - 7:08 pmMDW  Chicago Midway-ONT Ontario
8h 48m1 stop Dallas/Fort Worth
Frontier Logo
8:03 pm - 11:22 amONT  Ontario-MDW Chicago Midway
13h 19m1 stop Dallas/Fort Worth
$238Frontier
Fri, Oct 30 - Mon, Nov 9
Frontier Logo
12:20 pm - 7:08 pmMDW  Chicago Midway-ONT Ontario
8h 48m1 stop Dallas/Fort Worth
Frontier Logo
8:03 pm - 11:22 amONT  Ontario-MDW Chicago Midway
13h 19m1 stop Dallas/Fort Worth
$238Frontier
Thu, Oct 29 - Mon, Nov 2
Frontier Logo
12:20 pm - 7:08 pmMDW  Chicago Midway-ONT Ontario
8h 48m1 stop Dallas/Fort Worth
Frontier Logo
8:03 pm - 11:22 amONT  Ontario-MDW Chicago Midway
13h 19m1 stop Dallas/Fort Worth
$238Frontier
Thu, Oct 29 - Mon, Nov 2
Frontier Logo
12:20 pm - 7:08 pmMDW  Chicago Midway-ONT Ontario
8h 48m1 stop Dallas/Fort Worth
Frontier Logo
8:03 pm - 11:22 amONT  Ontario-MDW Chicago Midway
13h 19m1 stop Dallas/Fort Worth
$238Frontier
Thu, Nov 12 - Mon, Nov 16
Frontier Logo
12:20 pm - 7:08 pmMDW  Chicago Midway-ONT Ontario
8h 48m1 stop Dallas/Fort Worth
Frontier Logo
8:03 pm - 11:22 amONT  Ontario-MDW Chicago Midway
13h 19m1 stop Dallas/Fort Worth
$238Frontier
Thu, Jan 7 - Wed, Jan 13
Southwest Logo
7:50 am - 1:10 pmMDW  Chicago Midway-ONT Ontario
7h 20m1 stop Dallas Love Field
Southwest Logo
6:45 am - 12:30 pmONT  Ontario-MDW Chicago Midway
3h 45mnonstop
$249Southwest
Sat, Dec 5 - Mon, Dec 7
Southwest Logo
10:25 am - 12:45 pmMDW  Chicago Midway-ONT Ontario
4h 20mnonstop
Southwest Logo
7:05 am - 5:15 pmONT  Ontario-MDW Chicago Midway
8h 10m1 stop San Jose
$249Southwest
Fri, Dec 4 - Mon, Dec 7
Southwest Logo
3:55 pm - 6:15 pmMDW  Chicago Midway-ONT Ontario
4h 20mnonstop
Southwest Logo
7:05 am - 5:15 pmONT  Ontario-MDW Chicago Midway
8h 10m1 stop San Jose
$249Southwest
Booking Insights

Price, demand and travel trends for Chicago Midway Airport to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Chicago Midway Airport to Ontario?

Round-trip flights from Chicago Midway Airport to Ontario typically range from $302 to $546. The lowest price found in the past 5 days was $212, on Frontier.

What's the cheapest day of the week to fly from Chicago Midway Airport to Ontario?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Chicago Midway Airport to Ontario. It’s 19% cheaper than the average day, while Monday is the most expensive, with prices 66% higher.

What’s the cheapest month to fly from Chicago Midway Airport to Ontario?

•December is the cheapest month to fly from Chicago Midway Airport to Ontario at $277 round-trip.
•July ($831) and November ($579) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 200% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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Expert advice

Expert advice for your flight from Midway to Ontario

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on MDW

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Jennifer Simonson

Jennifer Simonson

Expert on ONT

Jennifer Simonson is driven by her lifelong commitment to exploring the globe. Her insatiable curiosity had led her to immerse herself into diverse locations like Oklahoma City and Pismo. Her hotel recommendations are the result of the myriad hotels she's stayed at across her travels. Along her journey, she cherishes engaging conversations with locals, indulging in the finest ice cream, trying her hand at surfing, and embarking on nature-filled hikes.

Read more

Key details for Chicago Midway Airport to Ontario flights

Low season

May

Cheapest flight

$117
Beat the crowds with an average 58% drop in travelers.
The most popular month to fly with an average 69% increase in travelers.
One-way flight from Chicago Midway Airport to Ontario

When to book flights from Midway to Ontario

Are your dates flexible? Find out the best times to travel from Midway to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Chicago Midway Airport to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Chicago Midway Airport to Ontario?

    These are the earliest and latest flight times available from Chicago Midway Airport to Ontario:

    • Earliest: departs at 10:10 am and lands at 2:29 pm
    • Latest: departs at 7:00 pm and lands at 11:19 pm.

    The flight takes about 4h 19m.

  • What cabin classes can I book on flights from Chicago Midway Airport to Ontario?

    Only Economy Class is available on flights from Chicago Midway Airport to Ontario.

  • How long is a flight from Chicago Midway Airport to Ontario?

    A nonstop flight from Chicago Midway Airport to Ontario takes 4h 19m, covering 1,701 miles.

  • Do I need a passport to fly from Chicago Midway Airport to Ontario?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Chicago Midway Airport to Ontario flight?

    Round-trip flights from Chicago Midway Airport to Ontario range from $302 to $546, with an average of $421 over the past 12 months. Anything below $302 counts as a good deal.

  • How much can I save by taking a layover when flying from Chicago Midway Airport to Ontario?

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $416 round-trip, compared to $473 via a layover through San Jose (SJC).

  • What is the standard checked-bag allowance on flights from Chicago Midway Airport to Ontario?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Chicago Midway Airport to Ontario?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest and Alaska Airlines. Other aircraft seen on the route include Boeing 737-800 variants.

  • How are flight departures from Chicago Midway Airport to Ontario spread across the day?

    Morning is the busiest departure period on Chicago Midway Airport to Ontario flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

  • Have flight prices from Chicago Midway Airport to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $212 to $1,544. That means the highest observed fare was about 7x higher than the lowest one.

  • Which airlines offer Wi-Fi on Chicago Midway Airport to Ontario flights?

    JetBlue is the only airline on the Chicago Midway Airport to Ontario route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Chicago Midway Airport to Ontario looking right now?

    One-way fares from Chicago Midway Airport to Ontario are currently lower than usual. Average one-way flight prices are about $118, which is 38% below the typical average for this route.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • Which airports can I use when flying from Chicago Midway Airport to Ontario?

    Flights from Chicago Midway Airport to Ontario usually depart from Chicago Midway (MDW) and arrive at Ontario (ONT).

  • Which airports do connecting flights from Chicago Midway Airport to Ontario pass through?

    One-stop flights from Chicago Midway Airport to Ontario most commonly connect through:

    • Phoenix Sky Harbor Intl (PHX) - 50% of one-stop connections
    • Denver Intl (DEN) - 40% of one-stop connections
    • San Jose (SJC) - 10% of one-stop connections

  • Can I save money by using flexible dates for flights from Chicago Midway Airport to Ontario?

    Yes. Flexible dates can save you up to 51% on flights from Chicago Midway Airport to Ontario. Thursday is the cheapest departure day at $343 round-trip on average, while Monday is the most expensive at $699, a difference of $356.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Chicago Midway Airport to Ontario?

    Only Southwest operates flights between Chicago Midway Airport and Ontario.

  • How much time can I save by choosing a different layover airport from Chicago Midway Airport to Ontario?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 58m, compared with 6h 01m via Phoenix Sky Harbor Intl (PHX) and 6h 24m via San Jose (SJC).

  • What is the time difference between Chicago Midway Airport and Ontario?

    Ontario is 2 hours behind Chicago Midway Airport (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Chicago Midway Airport to Ontario flights?

    Among airlines operating Chicago Midway Airport to Ontario flights:

    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Chicago Midway Airport to Ontario flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Southwest: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Chicago Midway Airport to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average $343, about $356 less than Monday fares (51% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Chicago Midway Airport to Ontario trip for December. Fares historically average $277 round-trip in that month - typically $554 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

    • Ontario Airport Inn
    • Azure Hotel & Suites, Trademark Collection by Wyndham
    • La Quinta Inn & Suites by Wyndham Ontario Airport

Prefer to fly direct from Chicago Midway Airport to Ontario?

 
Find which airlines fly direct from Chicago Midway Airport to Ontario Airport, which days they fly and book direct flights.

Direct departures

Chicago Midway to Ontario

Monday

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Thursday

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Friday

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Saturday

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Sunday

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Direct returns

Ontario to Chicago Midway

Monday

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Southwest

Tuesday

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Wednesday

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Thursday

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Friday

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Saturday

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Sunday

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More options for your flight from Midway to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario