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MDW - ONT

$99 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
$198
Typical prices: $343-$587
Frontier
Mon 11/12Fri 11/16
MDW - ONT • 1 stop
Cheapest non-stop
$268
Typical prices: $343-$599
Southwest
Sun 1/28Wed 1/31
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
September
Cheapest • 38% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $157 (round-trip)
Phoenix Sky Harbor Intl (PHX)
Shortest trip • 6h 01m (one-way)
Insights
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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
$198Frontier
Thu, Oct 22 - Mon, Nov 2
Frontier Logo
1:12 pm - 7:05 pmMDW  Chicago Midway-ONT Ontario
7h 53m1 stop Dallas/Fort Worth
Frontier Logo
8:03 pm - 11:22 amONT  Ontario-MDW Chicago Midway
13h 19m1 stop Dallas/Fort Worth
$200Frontier
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
$200Frontier
Fri, Oct 30 - 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
$218Frontier
Fri, Oct 30 - 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
$220Frontier
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
$220Frontier
Thu, Oct 29 - Sat, Oct 31
Southwest Logo
6:45 am - 12:50 pmMDW  Chicago Midway-ONT Ontario
8h 05m1 stop Austin Bergstrom
Southwest Logo
6:30 am - 12:20 pmONT  Ontario-MDW Chicago Midway
3h 50mnonstop
$249Southwest
Thu, Dec 10 - Tue, Dec 15
Southwest Logo
6:05 am - 10:10 amMDW  Chicago Midway-ONT Ontario
6h 05m1 stop Denver Intl
Southwest Logo
6:55 pm - 5:55 amONT  Ontario-MDW Chicago Midway
9h 00m1 stop Oakland
$259Southwest
Wed, Nov 11 - Mon, Nov 16
Southwest Logo
6:05 am - 10:10 amMDW  Chicago Midway-ONT Ontario
6h 05m1 stop Denver Intl
Southwest Logo
6:55 pm - 5:55 amONT  Ontario-MDW Chicago Midway
9h 00m1 stop Oakland
$259Southwest
Thu, Nov 12 - Tue, Nov 17
Southwest Logo
5:15 am - 11:30 amMDW  Chicago Midway-ONT Ontario
8h 15m1 stop Austin Bergstrom
Southwest Logo
1:55 pm - 9:30 pmONT  Ontario-MDW Chicago Midway
5h 35m1 stop Denver Intl
$259Southwest
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 $343 to $587. The lowest price found in the past 5 days was $198, 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 25% cheaper than the average day, while Monday is the most expensive, with prices 53% higher.

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

•September is the cheapest month to fly from Chicago Midway Airport to Ontario at $284 round-trip.
•July ($831) and December ($599) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 192% 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

$99
Beat the crowds with an average 50% drop in travelers.
The most popular month to fly with an average 1% 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 $343 to $587, with an average of $455 over the past 12 months. Anything below $343 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, layover flights are cheaper than nonstop options on average. Layover fares average $157 round-trip via Dallas/Fort Worth (DFW), compared to $453 for nonstop.

  • 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. 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 $198 to $1,604. That means the highest observed fare was about 8x 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 $112, which is 41% 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:

    • Denver Intl (DEN) - 36% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 36% of one-stop connections
    • Dallas/Fort Worth (DFW) - 21% of one-stop connections
    • San Jose (SJC) - 7% 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 Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 6h 01m, compared with 6h 24m via San Jose (SJC) and 7h 02m via Dallas/Fort Worth (DFW).

  • 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 in Economy Class 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 September. Fares historically average $284 round-trip in that month - typically $547 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Dallas/Fort Worth Airport (DFW) can be cheaper than flying direct. The cheapest layover option averages $157 round-trip on this route - about $295 less than direct flights (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.

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

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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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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See more direct flights

Direct returns

Ontario to Chicago Midway

Monday

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Southwest

Tuesday

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Wednesday

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Thursday

Southwest

Southwest

Friday

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Saturday

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Sunday

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See more direct flights

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