How does KAYAK find such low prices on flights from Ontario to Romania?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Romania.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Romania?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ontario to Romania is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Ontario to Romania?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Ontario to Romania with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Romania?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ontario to Romania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

How long does a flight from Ontario to Romania take?

The duration of a flight to Romania depends on your arrival airport. The shortest route to Romania from Ontario is to Cluj Napoca , which takes 20h 15m .

$461 CHEAP FLIGHTS from Ontario to Romania

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Flight Deals

Book Cheap Ontario to Romania Plane Tickets

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Romania

Tue, Dec 8 - Tue, Dec 22

5:00 am - 1:55 pmONT Ontario-OTP Bucharest Otopeni Intl

22h 55m2 stops Denver Intl Frankfurt am Main

2:40 pm - 10:53 pmOTP Bucharest Otopeni Intl-ONT Ontario

18h 13m2 stops Frankfurt am Main San Francisco

$733United Airlines

Tue, Jan 5 - Tue, Jan 19

7:00 am - 1:55 pmONT Ontario-OTP Bucharest Otopeni Intl

20h 55m2 stops Chicago O'Hare Intl Frankfurt am Main

6:00 am - 8:20 pmOTP Bucharest Otopeni Intl-ONT Ontario

24h 20m3 stops Frankfurt am Main Newark Denver Intl

$739United Airlines

Tue, Oct 20 - Tue, Oct 27

9:45 am - 3:50 pmONT Ontario-OTP Bucharest Otopeni Intl

20h 05m2 stops Salt Lake City Paris Charles de Gaulle

2:00 pm - 11:06 amOTP Bucharest Otopeni Intl-ONT Ontario

30h 06m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$750Multiple Airlines

Mon, Jan 4 - Mon, Jan 18

11:52 pm - 1:55 pmONT Ontario-OTP Bucharest Otopeni Intl

28h 03m2 stops Chicago O'Hare Intl Frankfurt am Main

7:10 pm - 8:20 pmOTP Bucharest Otopeni Intl-ONT Ontario

35h 10m3 stops Vienna Intl Newark Denver Intl

$755United Airlines

Sun, Oct 18 - Mon, Nov 2

6:32 pm - 5:25 pmONT Ontario-CLJ Cluj Napoca

36h 53m2 stops San Francisco Munich Franz Josef Strauss

6:10 am - 8:51 pmCLJ Cluj Napoca-ONT Ontario

24h 41m2 stops Munich Franz Josef Strauss Denver Intl

$758United Airlines

Sun, Nov 1 - Sat, Nov 14

6:00 am - 1:00 amONT Ontario-OTP Bucharest Otopeni Intl

33h 00m2 stops San Francisco Munich Franz Josef Strauss

6:00 am - 8:51 pmOTP Bucharest Otopeni Intl-ONT Ontario

24h 51m2 stops Munich Franz Josef Strauss Denver Intl

$773United Airlines

Sun, Nov 1 - Sat, Nov 14

6:00 am - 5:00 pmONT Ontario-OTP Bucharest Otopeni Intl

25h 00m2 stops Salt Lake City Amsterdam Schiphol

6:00 am - 4:24 pmOTP Bucharest Otopeni Intl-ONT Ontario

20h 24m2 stops Amsterdam Schiphol Salt Lake City

$774Delta

Sun, Nov 1 - Sat, Nov 14

12:42 pm - 12:05 amONT Ontario-OTP Bucharest Otopeni Intl

25h 23m2 stops Dallas/Fort Worth London Heathrow

7:35 am - 10:57 pmOTP Bucharest Otopeni Intl-ONT Ontario

25h 22m3 stops London Heathrow Philadelphia Dallas/Fort Worth

$777American Airlines

Sun, Nov 1 - Sat, Nov 14

12:42 pm - 12:05 amONT Ontario-OTP Bucharest Otopeni Intl

25h 23m2 stops Dallas/Fort Worth London Heathrow

7:35 am - 10:57 pmOTP Bucharest Otopeni Intl-ONT Ontario

25h 22m3 stops London Heathrow Philadelphia Dallas/Fort Worth

$779American Airlines

Sun, Nov 1 - Sat, Nov 14

12:42 pm - 12:05 amONT Ontario-OTP Bucharest Otopeni Intl

25h 23m2 stops Dallas/Fort Worth London Heathrow

7:35 am - 10:57 pmOTP Bucharest Otopeni Intl-ONT Ontario

25h 22m3 stops London Heathrow Philadelphia Dallas/Fort Worth

$780American Airlines

Recent last minute flight deals from Ontario to Romania

Tue, Sep 8 - Thu, Sep 17

2:27 pm - 1:20 amONT Ontario-OTP Bucharest Otopeni Intl

24h 53m2 stops Dallas/Fort Worth London Heathrow

8:15 am - 11:36 pmOTP Bucharest Otopeni Intl-ONT Ontario

25h 21m2 stops London Heathrow Dallas/Fort Worth

$853American Airlines

Sun, Sep 6 - Wed, Sep 16

12:33 pm - 12:50 amONT Ontario-OTP Bucharest Otopeni Intl

26h 17m2 stops Dallas/Fort Worth London Heathrow

8:15 am - 10:37 pmOTP Bucharest Otopeni Intl-ONT Ontario

24h 22m3 stops London Heathrow Charlotte Douglas Dallas/Fort Worth

$858American Airlines

Mon, Sep 7 - Wed, Sep 16

9:43 am - 3:50 pmONT Ontario-OTP Bucharest Otopeni Intl

20h 07m2 stops Salt Lake City Paris Charles de Gaulle

8:35 am - 8:24 pmOTP Bucharest Otopeni Intl-ONT Ontario

21h 49m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$903Multiple Airlines

Tue, Sep 8 - Thu, Sep 17

6:00 am - 5:40 pmONT Ontario-OTP Bucharest Otopeni Intl

25h 40m2 stops Seattle/Tacoma Intl Amsterdam Schiphol

7:05 am - 10:40 pmOTP Bucharest Otopeni Intl-ONT Ontario

25h 35m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$904Delta

Sun, Sep 6 - Wed, Sep 16

1:06 pm - 3:25 pmONT Ontario-OTP Bucharest Otopeni Intl

16h 19m2 stops Salt Lake City Amsterdam Schiphol

8:35 am - 10:40 pmOTP Bucharest Otopeni Intl-ONT Ontario

24h 05m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$907KLM

Sun, Sep 6 - Wed, Sep 16

6:17 am - 5:20 pmONT Ontario-OTP Bucharest Otopeni Intl

25h 03m2 stops Seattle/Tacoma Intl Amsterdam Schiphol

7:05 am - 11:47 pmOTP Bucharest Otopeni Intl-ONT Ontario

26h 42m2 stops Amsterdam Schiphol Salt Lake City

$908Delta

Wed, Sep 9 - Tue, Sep 15

11:54 am - 11:25 pmONT Ontario-OTP Bucharest Otopeni Intl

25h 31m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

6:00 am - 8:24 pmOTP Bucharest Otopeni Intl-ONT Ontario

24h 24m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$911Delta

Wed, Sep 9 - Tue, Sep 15

6:00 am - 5:20 pmONT Ontario-OTP Bucharest Otopeni Intl

25h 20m2 stops Salt Lake City Amsterdam Schiphol

6:00 am - 8:24 pmOTP Bucharest Otopeni Intl-ONT Ontario

24h 24m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$915Delta

Sun, Sep 6 - Wed, Sep 16

7:00 am - 11:40 pmONT Ontario-OTP Bucharest Otopeni Intl

30h 40m2 stops Chicago O'Hare Intl Frankfurt am Main

6:05 am - 8:01 pmOTP Bucharest Otopeni Intl-ONT Ontario

23h 56m3 stops Frankfurt am Main Seattle/Tacoma Intl San Francisco

$918United Airlines

Tue, Sep 8 - Wed, Sep 16

1:56 pm - 11:50 pmONT Ontario-OTP Bucharest Otopeni Intl

47h 54m2 stops San Francisco Frankfurt am Main

6:05 am - 8:01 pmOTP Bucharest Otopeni Intl-ONT Ontario

23h 56m3 stops Frankfurt am Main Seattle/Tacoma Intl San Francisco

$924United Airlines

Booking Insights

KAYAK's insights & trends for Ontario to Romania flights

Get data-powered insights and trends into flights from Ontario to Romania to help you find the cheapest flights, the best time to fly and much more.

Airlines

Which airlines provide the cheapest flights from Ontario to Romania?

In the past 5 days, the cheapest round-trip tickets from Ontario to Romania were found on United Airlines ($733) and American Airlines ($773).

Find deals

How does KAYAK find such low prices on flights from Ontario to Romania?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Romania.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Romania?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ontario to Romania is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to Romania?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Ontario to Romania with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Romania?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ontario to Romania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

More options for your flight from Ontario to Romania

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Origins

Other destinations

Popular routes

Return flight

Complete your trip to Romania with a hotel stay or car rental

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Hotels in Romania

Vacations in Romania

$461 Find Cheap Flights from Ontario to Romania - Compare and Save

Book Cheap Ontario to Romania Plane Tickets

Recent round-trip flight deals from Ontario to Romania

Recent one-way flight deals from Ontario to Romania

Recent last minute flight deals from Ontario to Romania

KAYAK's insights & trends for Ontario to Romania flights

Which airlines provide the cheapest flights from Ontario to Romania?

How long does a flight from Ontario to Romania take?

FAQs - booking Romania flights

More options for your flight from Ontario to Romania

Complete your trip to Romania with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights to Romania

Flights from other airports in Ontario to Romania

Flights to other popular destinations

Flights from Ontario to popular cities in Romania

Find deals for your return flight