Home› Flights› Chicago to Ontario
✦ Smart route search

Chicago (MDW) to Ontario (ONT) Flights from ₹12,295

Fares on this route currently start from ₹12,295. Compare live MDW to ONT prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
MDW → ONT Approx. 2739.56 km 04 Jun 2026 Live inventory
✈ Flight Search
Modify your route
From
To
Depart
Return
Adults
Children
Infants
Cabin
Trip Type
MDW→ONT

Sort By

💰 Cheapest
⚡ Fastest
🕐 Earliest

🎚️ Filters

Stops Reset
0
0
0
Max Price Reset
Up to ₹5,00,000
Departure Time Reset
🌙 Night
12am–6am
🌅 Morning
6am–12pm
☀️ Afternoon
12pm–6pm
🌆 Evening
6pm–12am
Fare Type
Airlines All
Loading…
Select Fare
—
Stops Reset
0
0
0
Max Price Reset
Up to ₹5,00,000
Departure Time Reset
🌙 Night
12am–6am
🌅 Morning
6am–12pm
☀️ Afternoon
12pm–6pm
🌆 Evening
6pm–12am
Fare Type
Airlines All
Loading…
Showing 25 of 169 live flights
Frontier Airlines
F9-3135
16:05
06/04/2026
ORD
Chicago Midway International Airport
15h 3m
1 Stop
⏱ IAH · 10h 13mIAH Airport
07:08
06/05/2026
+1
ONT
Ontario International Airport
₹12,295
per person
✕ Non-refundable
Delta Air Lines
DL-2377
19:45
06/04/2026
ORD
Chicago Midway International Airport
4h 8m
1 Stop
⏱ SLC · 0h 35mSLC Airport
23:53
06/04/2026
LAX
Ontario International Airport
₹12,298
per person
✕ Non-refundable5 fare options
Delta Air Lines
DL-1716
14:00
06/04/2026
ORD
Chicago Midway International Airport
6h 41m
1 Stop
⏱ DTW · 2h 24mDTW Airport
20:41
06/04/2026
LAX
Ontario International Airport
₹12,298
per person
✕ Non-refundable5 fare options
Delta Air Lines
DL-1516
08:10
06/04/2026
ORD
Chicago Midway International Airport
6h 6m
1 Stop
⏱ ATL · 1h 23mATL Airport
14:16
06/04/2026
LAX
Ontario International Airport
₹12,298
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-2858
05:20
06/04/2026
MDW
Chicago Midway International Airport
4h 0m
1 Stop
⏱ PHX · 1h 0mPHX Airport
09:20
06/04/2026
LAX
Ontario International Airport
₹14,259
per person
✓ Refundable8 fare options
Frontier Airlines
F9-1483
21:37
06/04/2026
ORD
Chicago Midway International Airport
26h 12m
1 Stop
⏱ DEN · 22h 45mDEN Airport
23:49
06/05/2026
+1
ONT
Ontario International Airport
₹14,763
per person
✕ Non-refundable
Delta Air Lines
DL-1247
07:07
06/04/2026
ORD
Chicago Midway International Airport
5h 50m
1 Stop
⏱ ATL · 0h 48mATL Airport
12:57
06/04/2026
BUR
Ontario International Airport
₹15,980
per person
✕ Non-refundable5 fare options
United Airlines
UA-2373
06:00
06/04/2026
ORD
Chicago Midway International Airport
2h 27m
Non-stop
08:27
06/04/2026
LAX
Ontario International Airport
₹16,097
per person
✕ Non-refundable7 fare options
United Airlines
UA-2361
07:00
06/04/2026
ORD
Chicago Midway International Airport
2h 33m
Non-stop
09:33
06/04/2026
LAX
Ontario International Airport
₹16,097
per person
✕ Non-refundable7 fare options
United Airlines
UA-2499
20:23
06/04/2026
ORD
Chicago Midway International Airport
2h 37m
Non-stop
23:00
06/04/2026
LAX
Ontario International Airport
₹16,097
per person
✕ Non-refundable7 fare options
Frontier Airlines
F9-1483
21:37
06/04/2026
ORD
Chicago Midway International Airport
12h 28m
1 Stop
⏱ DEN · 8h 57mDEN Airport
10:05
06/05/2026
+1
ONT
Ontario International Airport
₹16,399
per person
✕ Non-refundable🔥 Last 1 seats
United Airlines
UA-246
06:13
06/04/2026
ORD
Chicago Midway International Airport
5h 36m
1 Stop
⏱ SFO · 1h 33mSFO Airport
11:49
06/04/2026
BUR
Ontario International Airport
₹17,023
per person
✕ Non-refundable7 fare options
United Airlines
UA-658
20:18
06/04/2026
ORD
Chicago Midway International Airport
2h 33m
Non-stop
22:51
06/04/2026
ONT
Ontario International Airport
₹17,217
per person
✕ Non-refundable🔥 Last 3 seats8 fare options
Southwest Airlines
WN-4637
05:10
06/04/2026
MDW
Chicago Midway International Airport
2h 15m
Non-stop
07:25
06/04/2026
LAX
Ontario International Airport
₹17,763
per person
✕ Non-refundable🔥 Last 3 seats13 fare options
Delta Air Lines
DL-4688
13:22
06/04/2026
MDW
Chicago Midway International Airport
4h 43m
1 Stop
⏱ DTW · 0h 35mDTW Airport
18:05
06/04/2026
LAX
Ontario International Airport
₹17,775
per person
✕ Non-refundable5 fare options
Delta Air Lines
DL-3877
11:09
06/04/2026
ORD
Chicago Midway International Airport
4h 51m
1 Stop
⏱ DTW · 0h 39mDTW Airport
16:00
06/04/2026
LAX
Ontario International Airport
₹17,775
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-1285
06:23
06/04/2026
MDW
Chicago Midway International Airport
5h 46m
1 Stop
⏱ ATL · 0h 59mATL Airport
12:09
06/04/2026
LAX
Ontario International Airport
₹17,775
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-4413
13:20
06/04/2026
MDW
Chicago Midway International Airport
2h 15m
Non-stop
15:35
06/04/2026
LGB
Ontario International Airport
₹17,860
per person
✕ Non-refundable13 fare options
Delta Air Lines
DL-2231
07:45
06/04/2026
ORD
Chicago Midway International Airport
4h 8m
1 Stop
⏱ SLC · 0h 43mSLC Airport
11:53
06/04/2026
LGB
Ontario International Airport
₹17,872
per person
✕ Non-refundable5 fare options
American Airlines
AA-2434
05:00
06/04/2026
ORD
Chicago Midway International Airport
3h 46m
1 Stop
⏱ PHX · 0h 30mPHX Airport
08:46
06/04/2026
BUR
Ontario International Airport
₹18,721
per person
✕ Non-refundable13 fare options
Alaska Airlines
AS-715
06:00
06/04/2026
ORD
Chicago Midway International Airport
9h 9m
1 Stop
⏱ SEA · 3h 56mSEA Airport
15:09
06/04/2026
ONT
Ontario International Airport
₹18,895
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-2863
20:35
06/04/2026
MDW
Chicago Midway International Airport
3h 30m
1 Stop
⏱ PHX · 0h 40mPHX Airport
00:05
06/05/2026
+1
ONT
Ontario International Airport
₹18,952
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-2858
05:20
06/04/2026
MDW
Chicago Midway International Airport
3h 45m
1 Stop
⏱ PHX · 0h 55mPHX Airport
09:05
06/04/2026
ONT
Ontario International Airport
₹18,952
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-2765
06:50
06/04/2026
MDW
Chicago Midway International Airport
5h 20m
1 Stop
⏱ DEN · 2h 35mDEN Airport
12:10
06/04/2026
ONT
Ontario International Airport
₹18,952
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-2520
07:10
06/04/2026
MDW
Chicago Midway International Airport
4h 10m
1 Stop
⏱ PHX · 1h 20mPHX Airport
11:20
06/04/2026
ONT
Ontario International Airport
₹19,365
per person
✕ Non-refundable🔥 Last 1 seats9 fare options
😕 No flights match your filters.
Chicago (MDW)
📍 Chicago Midway International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 41.785999
📐 Longitude: -87.752403
Ontario (ONT)
📍 Ontario International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 34.055999755859375
📐 Longitude: -117.60099792480469

✈ Distance: Chicago,USA to Ontario,USA — 2739.56 km

📅 Results on this page are loaded for 04 Jun 2026. Click View all flights for the complete live search.

Chicago to Ontario — what to expect when booking

The MDW–ONT route is served by multiple carriers throughout the year. Fares on this route can move quickly — a price available now may not be there 30 minutes later.

If your dates are flexible, try shifting your departure by a day or two using the date strip above. Mid-week departures often show lower base fares compared to weekend starts on many routes.

The distance between Chicago,USA and Ontario,USA is approximately 2739.56 km.

Before you book

Compare nearby dates

The date strip above lets you scan nearby fares without restarting the search.

Open full search for more control

Route page shows a limited live set. Full search opens the complete inventory with fresh results.

Check fare details

Each result shows baggage, refundability and fare details before you proceed.

More flights from Chicago (MDW)
68 routes
Chicago → Albany
MDW → ALB
Chicago → Albuquerque
MDW → ABQ
Chicago → Amarillo
MDW → AMA
Chicago → Atlanta
MDW → ATL
Chicago → Austin
MDW → AUS
Chicago → Birmingham
MDW → BHM
Chicago → Boston
MDW → BOS
Chicago → Buffalo
MDW → BUF
Chicago → Cancun
MDW → CUN
Chicago → Charleston
MDW → CHS
Chicago → Charlotte
MDW → CLT
Chicago → Cleveland
MDW → CLE
Chicago → Columbus
MDW → CMH
Chicago → Denver
MDW → DEN
Chicago → Des Moines
MDW → DSM
Chicago → Detroit
MDW → DTW
Chicago → Fort Lauderdale
MDW → FLL
Chicago → Fort Myers
MDW → RSW
Chicago → Greenville
MDW → GSP
Chicago → Guadalajara
MDW → GDL
Chicago → Hartford
MDW → BDL
Chicago → Houston
MDW → HOU
Chicago → Jackson
MDW → JAN
Chicago → Jacksonville
MDW → JAX
Chicago → Kansas City
MDW → MCI
Chicago → Las Vegas
MDW → LAS
Chicago → Leon
MDW → BJX
Chicago → Little Rock
MDW → LIT
Chicago → Los Angeles
MDW → LAX
Chicago → Louisville
MDW → SDF
Chicago → Manchester
MDW → MHT
Chicago → Memphis
MDW → MEM
Chicago → Minneapolis
MDW → MSP
Chicago → Montego Bay
MDW → MBJ
Chicago → Morelia
MDW → MLM
Chicago → Nashville
MDW → BNA
Chicago → New Orleans
MDW → MSY
Chicago → New York
MDW → LGA
Chicago → Norfolk
MDW → ORF
Chicago → Oakland
MDW → OAK
Chicago → Oklahoma City
MDW → OKC
Chicago → Omaha
MDW → OMA
Chicago → Orlando
MDW → MCO
Chicago → Philadelphia
MDW → PHL
Chicago → Phoenix
MDW → PHX
Chicago → Pittsburgh International Airport
MDW → PIT
Chicago → Portland International
MDW → PDX
Chicago → Providence
MDW → PVD
Chicago → Punta Cana
MDW → PUJ
Chicago → Raleigh
MDW → RDU
Chicago → Reno
MDW → RNO
Chicago → Rochester
MDW → ROC
Chicago → Sacramento
MDW → SMF
Chicago → Salt Lake City
MDW → SLC
Chicago → San Antonio
MDW → SAT
Chicago → San Diego
MDW → SAN
Chicago → San Francisco
MDW → SFO
Chicago → San Jose
MDW → SJC
Chicago → Seattle
MDW → SEA
Chicago → St. Louis
MDW → STL
Chicago → Tampa
MDW → TPA
Chicago → Toronto
MDW → YTZ
Chicago → Trenton
MDW → TTN
Chicago → Tucson
MDW → TUS
Chicago → Tulsa
MDW → TUL
Chicago → Washington DC
MDW → IAD
Chicago → Wichita
MDW → ICT
Chicago → Zacatecas
MDW → ZCL
More flights from Ontario (ONT)
15 routes
Ontario → Chicago
ONT → MDW
Ontario → Denver
ONT → DEN
Ontario → Fort Worth
ONT → DFW
Ontario → Guadalajara
ONT → GDL
Ontario → Houston
ONT → IAH
Ontario → Las Vegas
ONT → LAS
Ontario → Oakland
ONT → OAK
Ontario → Phoenix
ONT → PHX
Ontario → Portland International
ONT → PDX
Ontario → Sacramento
ONT → SMF
Ontario → Salt Lake City
ONT → SLC
Ontario → San Francisco
ONT → SFO
Ontario → San Jose
ONT → SJC
Ontario → San Juan
ONT → SJU
Ontario → Seattle
ONT → SEA
❓ Frequently asked questions — Chicago to Ontario flights

Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.

The straight-line distance between Chicago,USA (MDW) and Ontario,USA (ONT) is approximately 2739.56 km. Actual flying distance may vary slightly depending on routing.

Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.

Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.