Cheap flights from Madison, WI to Ontario, CA

Flights starting at £67. Choose between United Airlines, Frontier Airlines, or Alaska Airlines to find the best price.

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Travelers usually depart from Dane County Regional, or Madison when they travel from Madison to Ontario. Book your trip to arrive at Ontario International, or Montclair (Ontario). The most popular airlines for this route are United Airlines, Frontier Airlines, Alaska Airlines, Sun Country Airlines, and Spirit Airlines. Madison and Ontario have 57 direct flights per week.

Check-in for a flight from Madison to Ontario

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Sun Country AirlinesSCXSYYesNo
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight

Weather in Ontario

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January18°C7°C
February18°C7°C
March20°C8°C
April23°C10°C
May25°C13°C
June29°C16°C
July33°C19°C
August33°C20°C
September32°C18°C
October27°C15°C
November22°C10°C
December17°C7°C
Hottest Month
33°C
August
Coldest month
7°C
February
Sunny days
339
days per year

14 day forecast

Monday
18 Mar
23°C10°C
25 Mar
79%
17°C9°C
Tuesday
19 Mar
23°C11°C
26 Mar
18°C9°C
Wednesday
20 Mar
23°C11°C
27 Mar
89%
12°C8°C
Thursday
21 Mar
23°C12°C
28 Mar
87%
11°C7°C
Friday
22 Mar
23°C11°C
29 Mar
89%
14°C8°C
Saturday
23 Mar
88%
16°C12°C
30 Mar
89%
15°C11°C
Sunday
24 Mar
84%
14°C9°C
31 Mar
21°C9°C

Frequently asked questions

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

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