Cheap flights from Ontario, CA to South Bend, IN

Flights starting at £144. Choose between United Airlines, Allegiant Air, or Frontier Airlines to find the best price.

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Travelers usually depart from Ontario International, or Montclair (Ontario) when they travel from Ontario to South Bend. The most popular airlines for this route are United Airlines, Allegiant Air, Frontier Airlines, Spirit Airlines, and JetBlue Airways. Ontario and South Bend have 90 direct flights per week.

Check-in for a flight from Ontario to South Bend

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Allegiant AirAAYG4NoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
JetBlue AirwaysJBUB6NoOpens 24 days before flight
Closes 2 hours before flight

Weather in South Bend

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January0°C-7°C
February1°C-6°C
March7°C0°C
April13°C4°C
May20°C10°C
June25°C15°C
July26°C17°C
August26°C17°C
September23°C13°C
October16°C8°C
November8°C1°C
December3°C-2°C
Hottest Month
26°C
July
Coldest month
-7°C
January
Sunny days
237
days per year
Snow days
16
days per year

14 day forecast

Tuesday
19 Mar
9°C-2°C
26 Mar
89%
9°C2°C
Wednesday
20 Mar
1°C-2°C
27 Mar
87%
4°C-1°C
Thursday
21 Mar
4°C-3°C
28 Mar
11°C0°C
Friday
22 Mar
84%
14°C1°C
29 Mar
17°C4°C
Saturday
23 Mar
2°C-3°C
30 Mar
71%
13°C5°C
Sunday
24 Mar
8°C-2°C
31 Mar
11°C2°C
Monday
25 Mar
74%
13°C6°C
1 Apr
80%
7°C4°C

Frequently asked questions

What are the most popular routes to and from Ontario?
What are the most popular routes to and from South Bend?
What airports are near Ontario?
What airports are near South Bend?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Ontario and South Bend?
What is Virtual Interlining and how do I use it?
Which airlines fly between Ontario and South Bend?
When's the best time to travel between Ontario and South Bend?
What flights operate between Ontario and South Bend?
How many airports are there near Ontario?
How many airports are there near South Bend?
What time do nonstop (direct) flights between Ontario and South Bend depart?
What time do nonstop (direct) flights between Ontario and South Bend arrive?
What time do flights between Ontario and South Bend depart?
What time do flights between Ontario and South Bend arrive?

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