Cheap flights from Dublin, Ireland to Ontario, CA

Flights starting at £370. Choose between Frontier Airlines, JetBlue Airways, or Aer Lingus to find the best price.

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The most popular airlines for this route are Frontier Airlines, JetBlue Airways, Aer Lingus, WestJet, and Air France. Dublin and Ontario have 191 direct flights per week.

Check-in for a flight from Dublin to Ontario

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
JetBlue AirwaysJBUB6NoOpens 24 days before flight
Closes 2 hours before flight
Aer LingusEINEINoOpens 48 days before flight
Closes 5 hours before flight
WestJetWJAWSNoOpens 24 days before flight
Closes 1 hours before flight
Air FranceAFRAFNoOpens 30 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°C12°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
340
days per year

14 day forecast

Thursday
13 Jun
28°C16°C
20 Jun
36°C20°C
Friday
14 Jun
32°C17°C
21 Jun
40°C23°C
Saturday
15 Jun
34°C20°C
22 Jun
41°C27°C
Sunday
16 Jun
30°C20°C
23 Jun
38°C26°C
Monday
17 Jun
26°C17°C
24 Jun
37°C23°C
Tuesday
18 Jun
30°C16°C
25 Jun
34°C22°C
Wednesday
19 Jun
33°C18°C
26 Jun
34°C22°C

Frequently asked questions

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

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Flights from Dublin

Flights to Ontario

Popular routes

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