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Cheap flights Dublin — Ontario

Dublin (DUB, IE) Ontario (ONT, US)
from $620 8 273 km ~10h 14m 3 flights found 3 airlines cheapest on Saturday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $620 on 26.12.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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Fr
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December 2026
Mo
Tu
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January 2027
Mo
Tu
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Prices found for 3 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
26 Dec 2026, Sat
Aer Lingus EI 61
15:30
DUB Dublin Airport
03:58
ONT Ontario International Airport
12h 28m 1 stop
City.Travel
$620
View this ticket
13 Nov 2026, Fri
TAP Air Portugal TP 1327
07:25
DUB Dublin Airport
00:36
ONT Ontario International Airport
17h 11m 2 stops
Flightnetwork
$741
View this ticket
05 Jan 2027, Tue
American Airlines AA 125
19:40
DUB Dublin Airport
08:55
ONT Ontario International Airport
13h 15m 1 stop
Trip.com
$894
View this ticket
Route characteristics
Distance
8 273 km
Flight time
10h 14m
Time difference
-8h
Minimum price
from $620 (26.12.2026)
Average price
$752
Maximum price
$894
Cheapest day
Saturday
Departure airports (1)
DUB Dublin Airport
Arrival airports (1)
ONT Ontario International Airport
Airlines (3)
EI Aer Lingus TP TAP Air Portugal AA American Airlines
Agencies (3)
City.Travel Flightnetwork Trip.com
Prices by day of week
Tuesday
$894
avg $894
Friday
$741
avg $741
Saturday
$620
avg $620
Cheapest
Price trend by month
November 2026
from $741
avg $741
1 flights
December 2026
from $620
avg $620
1 flights
January 2027
from $894
avg $894
1 flights
Airlines — cheapest prices 3
Aer Lingus
Aer Lingus
1 flights · 1 days
$620
TAP Air Portugal
TAP Air Portugal
1 flights · 1 days
$741
American Airlines
American Airlines
1 flights · 1 days
$894
Where to buy tickets 3
City.Travel
1 tickets · 1 days
from $620
Flightnetwork
1 tickets · 1 days
from $741
Trip.com
1 tickets · 1 days
from $894
Airports

From — Dublin (1)

  • DUB Dublin Airport

To — Ontario (1)

  • ONT Ontario International Airport
Other destinations from Dublin
Aberdeen
GB
Accra
GH
Arrecife
ES
Adler/Sochi
RU
Agadir
MA
Malaga
ES · Hub
Alghero
IT
Auckland
NZ
Almaty
KZ
Alicante
ES
Amarillo
US
Amsterdam
NL · Hub
Frequently asked questions about the route Dublin — Ontario
How long is the flight from Dublin to Ontario?
Approximate flight time — 10h 14m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Dublin to Ontario?
The straight-line distance — 8 273 km.
How much do flights from Dublin to Ontario cost?
The minimum price over 3 months — from $620 on 26.12.2026.
What is the average ticket price?
The average price — $752. Range: $620 — $894.
What is the time difference between Dublin and Ontario?
The difference — -8h.
From which airports does Dublin operate flights?
From Dublin: DUB (Dublin Airport).
To which airports in Ontario do flights arrive?
To Ontario: ONT (Ontario International Airport).
Which airlines fly this route?
This route is served by 3 airlines: Aer Lingus, TAP Air Portugal, American Airlines.
Which day of the week is cheapest?
The cheapest day of the week — Saturday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Dublin — Ontario

Flights Dublin — Ontario is a popular route. The straight-line distance is 8 273 km. Flight time 10h 14m. Time difference -8h.

From Dublin (DUB) flights depart from 1 airport: DUB. To Ontario (ONT) — 1 arrival airport: ONT.

3 airlines operate on this route: Aer Lingus, TAP Air Portugal, American Airlines.

The minimum price for the next 3 months — from $620 (26.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $752, ranging from $620 to $894. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Saturday.

Other destinations in United States from Dublin
Rochester
US
Oakland
US
Orlando
US
Everett
US
Philadelphia
US
Pittsburgh
US
Raleigh
US
Newburgh
US

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