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Ontario (ONT) to Chicago (MDW) Flights from ₹12,207

Fares on this route currently start from ₹12,207. Compare live ONT to MDW 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.
ONT → MDW Approx. 2739.56 km 14 Jul 2026 Live inventory
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Showing 25 of 181 live flights
Delta Air Lines
DL-1302
09:40
07/14/2026
ONT
Ontario International Airport
9h 17m
1 Stop
⏱ SLC · 2h 12mSLC Airport
18:57
07/14/2026
ORD
Chicago Midway International Airport
₹12,207
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-3845
17:45
07/14/2026
ONT
Ontario International Airport
11h 15m
1 Stop
⏱ SJC · 3h 55mSJC Airport
05:00
07/15/2026
+1
MDW
Chicago Midway International Airport
₹12,561
per person
✓ Refundable6 fare options
Southwest Airlines
WN-4538
16:35
07/14/2026
ONT
Ontario International Airport
7h 35m
1 Stop
⏱ PHX · 1h 0mPHX Airport
00:10
07/15/2026
+1
MDW
Chicago Midway International Airport
₹12,561
per person
✓ Refundable5 fare options
Southwest Airlines
WN-873
16:10
07/14/2026
ONT
Ontario International Airport
7h 35m
1 Stop
⏱ LAS · 0h 45mLAS Airport
23:45
07/14/2026
MDW
Chicago Midway International Airport
₹12,688
per person
✕ Non-refundable🔥 Last 3 seats5 fare options
Southwest Airlines
WN-3164
20:55
07/14/2026
ONT
Ontario International Airport
8h 5m
1 Stop
⏱ SJC · 0h 45mSJC Airport
05:00
07/15/2026
+1
MDW
Chicago Midway International Airport
₹12,688
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-2213
18:35
07/14/2026
ONT
Ontario International Airport
10h 25m
2 Stops
⏱ LAS · 0h 45mLAS Airport⏱ SJC · 0h 55mSJC Airport
05:00
07/15/2026
+1
MDW
Chicago Midway International Airport
₹13,368
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-2213
18:35
07/14/2026
ONT
Ontario International Airport
10h 5m
2 Stops
⏱ LAS · 0h 40mLAS Airport⏱ SAN · 1h 5mSAN Airport
04:40
07/15/2026
+1
MDW
Chicago Midway International Airport
₹13,368
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-3170
18:25
07/14/2026
ONT
Ontario International Airport
10h 15m
2 Stops
⏱ SMF · 0h 40mSMF Airport⏱ SAN · 0h 35mSAN Airport
04:40
07/15/2026
+1
MDW
Chicago Midway International Airport
₹13,368
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-3845
17:45
07/14/2026
ONT
Ontario International Airport
10h 55m
2 Stops
⏱ SJC · 0h 35mSJC Airport⏱ SAN · 1h 40mSAN Airport
04:40
07/15/2026
+1
MDW
Chicago Midway International Airport
₹13,368
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-4538
16:35
07/14/2026
ONT
Ontario International Airport
12h 5m
2 Stops
⏱ PHX · 2h 40mPHX Airport⏱ SAN · 0h 55mSAN Airport
04:40
07/15/2026
+1
MDW
Chicago Midway International Airport
₹13,368
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-4538
16:35
07/14/2026
ONT
Ontario International Airport
12h 5m
2 Stops
⏱ PHX · 1h 20mPHX Airport⏱ SAN · 2h 20mSAN Airport
04:40
07/15/2026
+1
MDW
Chicago Midway International Airport
₹13,368
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-873
16:10
07/14/2026
ONT
Ontario International Airport
12h 50m
2 Stops
⏱ LAS · 3h 5mLAS Airport⏱ SJC · 0h 55mSJC Airport
05:00
07/15/2026
+1
MDW
Chicago Midway International Airport
₹13,368
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-873
16:10
07/14/2026
ONT
Ontario International Airport
12h 30m
2 Stops
⏱ LAS · 3h 0mLAS Airport⏱ SAN · 1h 5mSAN Airport
04:40
07/15/2026
+1
MDW
Chicago Midway International Airport
₹13,368
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-873
16:10
07/14/2026
ONT
Ontario International Airport
14h 45m
2 Stops
⏱ LAS · 1h 50mLAS Airport⏱ BNA · 4h 30mBNA Airport
06:55
07/15/2026
+1
MDW
Chicago Midway International Airport
₹13,902
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-3681
09:45
07/14/2026
BUR
Ontario International Airport
9h 12m
1 Stop
⏱ SLC · 1h 57mSLC Airport
18:57
07/14/2026
ORD
Chicago Midway International Airport
₹14,470
per person
✕ Non-refundable5 fare options
Delta Air Lines
DL-952
14:09
07/14/2026
SNA
Ontario International Airport
9h 29m
1 Stop
⏱ SEA · 0h 41mSEA Airport
23:38
07/14/2026
ORD
Chicago Midway International Airport
₹14,567
per person
✕ Non-refundable5 fare options
Delta Air Lines
DL-3693
16:54
07/14/2026
BUR
Ontario International Airport
15h 5m
2 Stops
⏱ SLC · 4h 0mSLC Airport⏱ DTW · 2h 18mDTW Airport
07:59
07/15/2026
+1
ORD
Chicago Midway International Airport
₹14,971
per person
✕ Non-refundable5 fare options
United Airlines
UA-1375
13:50
07/14/2026
ONT
Ontario International Airport
9h 9m
1 Stop
⏱ SFO · 1h 6mSFO Airport
22:59
07/14/2026
ORD
Chicago Midway International Airport
₹15,441
per person
✕ Non-refundable8 fare options
United Airlines
UA-1263
13:18
07/14/2026
ONT
Ontario International Airport
9h 31m
1 Stop
⏱ DEN · 2h 32mDEN Airport
22:49
07/14/2026
ORD
Chicago Midway International Airport
₹15,483
per person
✕ Non-refundable
Frontier Airlines
F9-2232
13:38
07/14/2026
ONT
Ontario International Airport
15h 59m
1 Stop
⏱ LAS · 9h 0mLAS Airport
05:37
07/15/2026
+1
ORD
Chicago Midway International Airport
₹15,699
per person
✕ Non-refundable
Frontier Airlines
F9-2412
09:32
07/14/2026
ONT
Ontario International Airport
15h 17m
1 Stop
⏱ IAH · 7h 6mIAH Airport
00:49
07/15/2026
+1
ORD
Chicago Midway International Airport
₹15,699
per person
✕ Non-refundable
Frontier Airlines
F9-4758
15:40
07/14/2026
ONT
Ontario International Airport
13h 57m
1 Stop
⏱ LAS · 6h 58mLAS Airport
05:37
07/15/2026
+1
ORD
Chicago Midway International Airport
₹15,699
per person
✕ Non-refundable
United Airlines
UA-1375
13:50
07/14/2026
ONT
Ontario International Airport
11h 9m
Non-stop
00:59
07/15/2026
+1
ORD
Chicago Midway International Airport
₹15,885
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-813
07:15
07/14/2026
BUR
Ontario International Airport
8h 25m
1 Stop
⏱ PHX · 1h 30mPHX Airport
15:40
07/14/2026
MDW
Chicago Midway International Airport
₹16,359
per person
✓ Refundable8 fare options
Southwest Airlines
WN-791
16:10
07/14/2026
BUR
Ontario International Airport
7h 35m
1 Stop
⏱ LAS · 0h 45mLAS Airport
23:45
07/14/2026
MDW
Chicago Midway International Airport
₹16,359
per person
✕ Non-refundable2 fare options
😕 No flights match your filters.
Ontario (ONT)
📍 Ontario International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 34.055999755859375
📐 Longitude: -117.60099792480469
Chicago (MDW)
📍 Chicago Midway International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 41.785999
📐 Longitude: -87.752403

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

📅 Results on this page are loaded for 14 Jul 2026. Click Load more flights to expand the full list on this page.

Ontario to Chicago — what to expect when booking

The ONT–MDW 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 Ontario,USA and Chicago,USA is approximately 2739.56 km.

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More flights from Ontario (ONT)
14 routes
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
More flights from Chicago (MDW)
64 routes
Chicago → Albany
MDW → ALB
Chicago → Albuquerque
MDW → ABQ
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 → 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 → 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 → Ontario
MDW → ONT
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 → Tucson
MDW → TUS
Chicago → Tulsa
MDW → TUL
Chicago → Washington DC
MDW → IAD
Chicago → Wichita
MDW → ICT
❓ Frequently asked questions — Ontario to Chicago 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 Ontario,USA (ONT) and Chicago,USA (MDW) 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.