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Ontario (ONT) to Chicago (MDW) Flights from ₹17,775

Fares on this route currently start from ₹17,775. 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 04 Jun 2026 Live inventory
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Showing 25 of 128 live flights
Delta Air Lines
DL-2606
14:05
06/04/2026
LAX
Ontario International Airport
9h 50m
1 Stop
⏱ SEA · 0h 54mSEA Airport
23:55
06/04/2026
ORD
Chicago Midway International Airport
₹17,775
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-138
14:45
06/04/2026
BUR
Ontario International Airport
9h 25m
1 Stop
⏱ DEN · 2h 40mDEN Airport
00:10
06/05/2026
+1
MDW
Chicago Midway International Airport
₹22,709
per person
✓ Refundable🔥 Last 3 seats4 fare options
Alaska Airlines
AS-654
12:04
06/04/2026
ONT
Ontario International Airport
10h 55m
1 Stop
⏱ SEA · 1h 49mSEA Airport
22:59
06/04/2026
ORD
Chicago Midway International Airport
₹23,142
per person
✕ Non-refundable3 fare options
Alaska Airlines
AS-654
12:04
06/04/2026
ONT
Ontario International Airport
11h 55m
1 Stop
⏱ SEA · 2h 49mSEA Airport
23:59
06/04/2026
ORD
Chicago Midway International Airport
₹23,142
per person
✕ Non-refundable3 fare options
Delta Air Lines
DL-446
12:10
06/04/2026
LAX
Ontario International Airport
8h 59m
1 Stop
⏱ ATL · 0h 40mATL Airport
21:09
06/04/2026
MDW
Chicago Midway International Airport
₹24,387
per person
✕ Non-refundable5 fare options
United Airlines
UA-2826
06:05
06/04/2026
ONT
Ontario International Airport
6h 15m
Non-stop
12:20
06/04/2026
ORD
Chicago Midway International Airport
₹25,353
per person
✕ Non-refundable🔥 Last 2 seats6 fare options
Southwest Airlines
WN-4541
18:20
06/04/2026
LAX
Ontario International Airport
5h 55m
Non-stop
00:15
06/05/2026
+1
MDW
Chicago Midway International Airport
₹26,073
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-2413
23:55
06/04/2026
LAX
Ontario International Airport
6h 0m
Non-stop
05:55
06/05/2026
+1
MDW
Chicago Midway International Airport
₹26,073
per person
✕ Non-refundable🔥 Last 4 seats9 fare options
Southwest Airlines
WN-2479
14:50
06/04/2026
LGB
Ontario International Airport
9h 20m
1 Stop
⏱ DEN · 2h 45mDEN Airport
00:10
06/05/2026
+1
MDW
Chicago Midway International Airport
₹26,220
per person
✓ Refundable🔥 Last 5 seats4 fare options
Southwest Airlines
WN-278
16:20
06/04/2026
LAX
Ontario International Airport
7h 50m
1 Stop
⏱ DEN · 1h 10mDEN Airport
00:10
06/05/2026
+1
MDW
Chicago Midway International Airport
₹26,409
per person
✓ Refundable🔥 Last 5 seats4 fare options
Southwest Airlines
WN-3156
07:25
06/04/2026
BUR
Ontario International Airport
5h 55m
Non-stop
13:20
06/04/2026
MDW
Chicago Midway International Airport
₹27,019
per person
✕ Non-refundable9 fare options
Alaska Airlines
AS-592
19:41
06/04/2026
ONT
Ontario International Airport
10h 39m
1 Stop
⏱ SEA · 1h 39mSEA Airport
06:20
06/05/2026
+1
ORD
Chicago Midway International Airport
₹27,932
per person
✕ Non-refundable3 fare options
Alaska Airlines
AS-625
16:03
06/04/2026
ONT
Ontario International Airport
14h 17m
1 Stop
⏱ SEA · 5h 17mSEA Airport
06:20
06/05/2026
+1
ORD
Chicago Midway International Airport
₹28,491
per person
✕ Non-refundable3 fare options
Southwest Airlines
WN-734
11:45
06/04/2026
LAX
Ontario International Airport
5h 55m
Non-stop
17:40
06/04/2026
MDW
Chicago Midway International Airport
₹28,626
per person
✕ Non-refundable9 fare options
Delta Air Lines
DL-1006
13:29
06/04/2026
ONT
Ontario International Airport
8h 21m
1 Stop
⏱ SLC · 1h 27mSLC Airport
21:50
06/04/2026
ORD
Chicago Midway International Airport
₹29,203
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-4213
13:20
06/04/2026
BUR
Ontario International Airport
7h 40m
1 Stop
⏱ DEN · 0h 50mDEN Airport
21:00
06/04/2026
MDW
Chicago Midway International Airport
₹29,445
per person
✓ Refundable🔥 Last 2 seats4 fare options
United Airlines
UA-729
00:13
06/04/2026
LAX
Ontario International Airport
6h 19m
Non-stop
06:32
06/04/2026
ORD
Chicago Midway International Airport
₹29,884
per person
✕ Non-refundable🔥 Last 1 seats6 fare options
American Airlines
AA-4035
16:41
06/04/2026
BUR
Ontario International Airport
7h 47m
1 Stop
⏱ PHX · 0h 44mPHX Airport
00:28
06/05/2026
+1
ORD
Chicago Midway International Airport
₹29,961
per person
✕ Non-refundable9 fare options
American Airlines
AA-2244
13:11
06/04/2026
ONT
Ontario International Airport
11h 17m
1 Stop
⏱ PHX · 4h 26mPHX Airport
00:28
06/05/2026
+1
ORD
Chicago Midway International Airport
₹30,017
per person
✕ Non-refundable🔥 Last 4 seats7 fare options
Southwest Airlines
WN-345
11:50
06/04/2026
SNA
Ontario International Airport
9h 30m
Non-stop
21:20
06/04/2026
MDW
Chicago Midway International Airport
₹30,542
per person
✕ Non-refundable🔥 Last 2 seats5 fare options
Southwest Airlines
WN-345
11:50
06/04/2026
SNA
Ontario International Airport
9h 30m
2 Stops
⏱ AUS · 0h 35mAUS Airport⏱ MCI · 0h 35mMCI Airport
21:20
06/04/2026
MDW
Chicago Midway International Airport
₹30,759
per person
✕ Non-refundable🔥 Last 2 seats
Southwest Airlines
WN-345
11:50
06/04/2026
SNA
Ontario International Airport
5h 0m
2 Stops
⏱ AUS · 0h 0mAUS Airport⏱ MCI · 0h 0mMCI Airport
16:50
06/04/2026
AUS
Chicago Midway International Airport
₹30,759
per person
✓ Refundable🔥 Last 2 seats4 fare options
American Airlines
AA-2032
16:35
06/04/2026
LAX
Ontario International Airport
7h 53m
1 Stop
⏱ PHX · 0h 55mPHX Airport
00:28
06/05/2026
+1
ORD
Chicago Midway International Airport
₹30,810
per person
✕ Non-refundable9 fare options
American Airlines
AA-1994
13:15
06/04/2026
LAX
Ontario International Airport
8h 4m
1 Stop
⏱ PHX · 0h 50mPHX Airport
21:19
06/04/2026
ORD
Chicago Midway International Airport
₹30,810
per person
✕ Non-refundable9 fare options
American Airlines
AA-1994
13:15
06/04/2026
LAX
Ontario International Airport
9h 45m
1 Stop
⏱ PHX · 2h 42mPHX Airport
23:00
06/04/2026
ORD
Chicago Midway International Airport
₹30,810
per person
✕ Non-refundable5 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 04 Jun 2026. Click View all flights for the complete live search.

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)
69 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 → 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 → Trenton
MDW → TTN
Chicago → Tucson
MDW → TUS
Chicago → Tulsa
MDW → TUL
Chicago → Washington DC
MDW → IAD
Chicago → Wichita
MDW → ICT
Chicago → Zacatecas
MDW → ZCL
❓ 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.