MDW - ONT

$79 Find Cheap Flights from Chicago Midway Airport to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$178
Typical prices: $343-$587
Frontier
Fri 8/31Thu 9/6
MDW - ONT • 1 stop
Cheapest non-stop
$239
Typical prices: $343-$599
Southwest
Mon 9/10Wed 9/19
MDW - ONT • Non-stop
Nonstop flights
Every day
You can fly direct with Southwest. Average duration is 4h 15m
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
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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, Sep 3 - Sun, Sep 6
Frontier Logo
9:26 pm - 8:38 amMDW  Chicago Midway-ONT Ontario
13h 12m1 stop Dallas/Fort Worth
Frontier Logo
8:17 am - 8:31 pmONT  Ontario-MDW Chicago Midway
10h 14m1 stop Dallas/Fort Worth
$178Frontier
Mon, Aug 31 - Sun, Sep 6
Frontier Logo
9:26 pm - 8:36 amMDW  Chicago Midway-ONT Ontario
13h 10m1 stop Dallas/Fort Worth
Frontier Logo
8:17 am - 8:31 pmONT  Ontario-MDW Chicago Midway
10h 14m1 stop Dallas/Fort Worth
$178Frontier
Thu, Nov 12 - Sun, Nov 15
Frontier Logo
12:20 pm - 7:08 pmMDW  Chicago Midway-ONT Ontario
8h 48m1 stop Dallas/Fort Worth
Frontier Logo
8:03 pm - 11:25 amONT  Ontario-MDW Chicago Midway
13h 22m1 stop Dallas/Fort Worth
$178Frontier
Thu, Sep 3 - Sun, Sep 6
Frontier Logo
9:26 pm - 8:38 amMDW  Chicago Midway-ONT Ontario
13h 12m1 stop Dallas/Fort Worth
Frontier Logo
8:17 am - 8:31 pmONT  Ontario-MDW Chicago Midway
10h 14m1 stop Dallas/Fort Worth
$193Frontier
Mon, Aug 31 - Sun, Sep 6
Frontier Logo
9:26 pm - 8:36 amMDW  Chicago Midway-ONT Ontario
13h 10m1 stop Dallas/Fort Worth
Frontier Logo
8:17 am - 8:31 pmONT  Ontario-MDW Chicago Midway
10h 14m1 stop Dallas/Fort Worth
$213Frontier
Thu, Sep 3 - Sun, Sep 6
Frontier Logo
9:26 pm - 8:38 amMDW  Chicago Midway-ONT Ontario
13h 12m1 stop Dallas/Fort Worth
Frontier Logo
8:17 am - 8:31 pmONT  Ontario-MDW Chicago Midway
10h 14m1 stop Dallas/Fort Worth
$218Frontier
Thu, Nov 12 - Sun, Nov 15
Frontier Logo
12:20 pm - 7:08 pmMDW  Chicago Midway-ONT Ontario
8h 48m1 stop Dallas/Fort Worth
Frontier Logo
8:03 pm - 11:25 amONT  Ontario-MDW Chicago Midway
13h 22m1 stop Dallas/Fort Worth
$219Frontier
Wed, Oct 28 - Sat, Oct 31
Southwest Logo
3:30 pm - 5:45 pmMDW  Chicago Midway-ONT Ontario
4h 15mnonstop
Southwest Logo
6:30 am - 12:20 pmONT  Ontario-MDW Chicago Midway
3h 50mnonstop
$239Southwest
Thu, Sep 10 - Sat, Sep 19
Southwest Logo
2:00 pm - 4:10 pmMDW  Chicago Midway-ONT Ontario
4h 10mnonstop
Southwest Logo
11:55 pm - 5:45 amONT  Ontario-MDW Chicago Midway
3h 50mnonstop
$239Southwest
Sat, Nov 7 - Sat, Nov 14
Southwest Logo
10:25 am - 12:45 pmMDW  Chicago Midway-ONT Ontario
4h 20mnonstop
Southwest Logo
8:20 am - 2:05 pmONT  Ontario-MDW Chicago Midway
3h 45mnonstop
$239Southwest
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 from Chicago Midway Airport to Ontario 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 start at $178. Prices are below average for this route right now, with typical round-trip fares ranging from $343 to $587. The lowest price found in the past 5 days was $178 on Frontier.

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

Thursday is the cheapest day of the week to fly from Chicago Midway Airport to Ontario, it is 25% cheaper than the average day. Monday is the most expensive day with flight prices 53% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is 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

$79
Best time to beat the crowds with an average 24% drop in price.
Most popular time to fly and prices are also 38% lower on average.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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.

  • What airlines are available from Chicago Midway Airport to Ontario?

    Only Southwest operates flights between Chicago Midway Airport and Ontario.

  • 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 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 travelers should check the fare details before booking.

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

    On this route, nonstop and layover fares are close on average, with nonstop at $453 round-trip and layover options via Denver Intl (DEN) at $453.

  • 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.

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

    Most connecting flights from Chicago Midway Airport to Ontario pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

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

    Yes. Being flexible with your travel dates can save you up to 51% on the Chicago Midway Airport to Ontario route. 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 popular places can I visit in Ontario?

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

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

    A nonstop flight from Chicago Midway Airport to Ontario takes 4h 15m, covering 1,701 miles.

  • 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 10:25 am and lands at 2:40 pm
    • Latest: departs at 9:25 pm and lands at 1:40 am.

    The flight takes about 4h 15m.

  • 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 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 $87, which is 54% below the typical average for this route.

  • 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 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

  • 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.

  • 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.

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 can be flexible, aim for a Thursday departure instead of Monday. On this route, Thursday flights average $343 - about $356 less than Monday (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'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
    - Holiday Inn Ontario Airport By IHG

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

Southwest

Southwest

Tuesday

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Southwest

Wednesday

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Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Direct returns

Ontario to Chicago Midway

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

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Southwest

Thursday

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Friday

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Saturday

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Sunday

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See more direct flights

Everything you need to know for your flight from Midway to Ontario

Information on your arrival and departure airports

Chicago Midway Airport (MDW)
Ontario (ONT)