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Cheap flights Ontario — Bucharest

Ontario (ONT, US) Bucharest (BUH, RO)
from $359 10 550 km ~12h 55m 1 flights found 1 airlines cheapest on Tuesday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $359 on 24.11.2026
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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December 2026
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January 2027
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Prices found for 1 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
24 Nov 2026, Tue
Frontier Airlines F9 1500
17:45
ONT Ontario International Airport
09:21
OTP Bucharest Henri Coanda International Airport
15h 36m 3 stops
Mytrip.com
$359
View this ticket
Route characteristics
Distance
10 550 km
Flight time
12h 55m
Time difference
+10h
Minimum price
from $359 (24.11.2026)
Average price
$359
Maximum price
$359
Cheapest day
Tuesday
Departure airports (1)
ONT Ontario International Airport
Arrival airports (1)
OTP Bucharest Henri Coanda International Airport
Airlines (1)
F9 Frontier Airlines
Agencies (1)
Mytrip.com
Airlines — cheapest prices 1
Frontier Airlines
Frontier Airlines
Low-cost 1 flights · 1 days
$359
Where to buy tickets 1
Mytrip.com
1 tickets · 1 days
from $359
Airports

From — Ontario (1)

  • ONT Ontario International Airport

To — Bucharest (1)

  • OTP Bucharest Henri Coanda International Airport
Other destinations from Ontario
Albuquerque
US
Accra
GH
Nantucket
US
Adelaide
AU
San Andres Island
CO
Malaga
ES · Hub
Auckland
NZ
Almaty
KZ
Alicante
ES
Ahmedabad
IN
Amsterdam
NL · Hub
Anchorage
US
Frequently asked questions about the route Ontario — Bucharest
How long is the flight from Ontario to Bucharest?
Approximate flight time — 12h 55m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Ontario to Bucharest?
The straight-line distance — 10 550 km.
How much do flights from Ontario to Bucharest cost?
The minimum price over 3 months — from $359 on 24.11.2026.
What is the average ticket price?
The average price — $359. Range: $359 — $359.
What is the time difference between Ontario and Bucharest?
The difference — +10h.
From which airports does Ontario operate flights?
From Ontario: ONT (Ontario International Airport).
To which airports in Bucharest do flights arrive?
To Bucharest: OTP (Bucharest Henri Coanda International Airport).
Which airlines fly this route?
This route is served by 1 airline: Frontier Airlines.
Which day of the week is cheapest?
The cheapest day of the week — Tuesday.
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 Ontario — Bucharest

Flights Ontario — Bucharest is a popular route. The straight-line distance is 10 550 km. Flight time 12h 55m. Time difference +10h.

From Ontario (ONT) flights depart from 1 airport: ONT. To Bucharest (BUH) — 1 arrival airport: OTP.

1 airline operate on this route: Frontier Airlines.

The minimum price for the next 3 months — from $359 (24.11.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $359, ranging from $359 to $359. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Tuesday.

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