When did momondo last update prices for flights from Ontario Airport to Bucharest?

Prices for flights from Ontario Airport to Bucharest are refreshed on a daily basis.

How old do you have to be to fly from Ontario Airport to Bucharest?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Bucharest.

What documentation or ID do you need to fly to Bucharest?

The required travel and health documents for your Bucharest trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bucharest. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$471 Cheap Flights from Ontario to Bucharest in 2026

Find the cheapest flights from Ontario to Bucharest

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:39 pm - 6:35 pm

ONT

OTP

37h 56m

2 stops

6:05 am - 10:35 pm

OTP

ONT

26h 30m

2 stops

$721United Airlines

Mon, Jul 27 - Wed, Aug 19

1:06 pm - 5:40 pm

ONT

OTP

18h 34m

2 stops

7:05 am - 10:45 pm

OTP

ONT

25h 40m

2 stops

$723Delta

Tue, Aug 11 - Wed, Aug 19

1:18 pm - 6:35 pm

ONT

OTP

19h 17m

2 stops

1:45 pm - 10:59 pm

OTP

ONT

19h 14m

2 stops

$751United Airlines

Tue, Aug 4 - Thu, Oct 22

1:18 pm - 6:35 pm

ONT

OTP

19h 17m

2 stops

1:45 pm - 10:59 pm

OTP

ONT

19h 14m

2 stops

$752United Airlines

Mon, Aug 10 - Wed, Oct 21

10:00 pm - 1:00 pm

ONT

OTP

29h 00m

2 stops

2:00 pm - 6:30 pm

OTP

ONT

38h 30m

2 stops

$753Delta

Mon, Jul 27 - Wed, Aug 12

10:25 am - 3:25 pm

ONT

OTP

19h 00m

2 stops

8:00 am - 10:23 pm

OTP

ONT

24h 23m

2 stops

$758Multiple Airlines

Tue, Oct 20 - Tue, Nov 3

10:47 am - 2:45 pm

ONT

OTP

17h 58m

2 stops

8:00 am - 10:19 pm

OTP

ONT

24h 19m

2 stops

$759Multiple Airlines

Tue, Nov 24 - Tue, Dec 8

1:18 pm - 4:20 pm

ONT

OTP

17h 02m

2 stops

6:05 am - 5:41 pm

OTP

ONT

21h 36m

2 stops

$764United Airlines

Tue, Aug 11 - Tue, Oct 20

9:55 am - 3:50 pm

ONT

OTP

19h 55m

2 stops

6:00 am - 4:12 pm

OTP

ONT

20h 12m

2 stops

$768Multiple Airlines

Sun, Nov 1 - Sat, Nov 14

6:39 pm - 6:35 pm

ONT

OTP

37h 56m

2 stops

1:45 pm - 8:01 pm

OTP

ONT

40h 16m

3 stops

$772United Airlines

Mon, Jul 27 - Wed, Aug 12

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British Airways flights from Ontario to Bucharest

Our best British Airways deals on Ontario to Bucharest flight tickets

British Airways

Nov 22

ONT12:55 pmOntario

24h 50m

2 stops

OTP11:45 pmBucharest Otopeni Intl

Dec 6

OTP7:35 amBucharest Otopeni Intl

24h 25m

2 stops

ONT10:00 pmOntario

$1,062

British Airways

Sep 25

ONT12:37 pmOntario

20h 28m

2 stops

OTP7:05 pmBucharest Otopeni Intl

Oct 9

OTP8:15 amBucharest Otopeni Intl

20h 42m

2 stops

ONT6:57 pmOntario

$1,110

British Airways

Oct 24

ONT1:31 pmOntario

25h 14m

2 stops

OTP12:45 amBucharest Otopeni Intl

Nov 7

OTP8:05 amBucharest Otopeni Intl

24h 18m

2 stops

ONT10:23 pmOntario

$1,176

United Airlines flights from Ontario to Bucharest

Our best United Airlines deals on Ontario to Bucharest flight tickets

United Airlines

Jul 27

ONT6:39 pmOntario

37h 56m

2 stops

OTP6:35 pmBucharest Otopeni Intl

Aug 19

OTP6:05 amBucharest Otopeni Intl

26h 30m

2 stops

ONT10:35 pmOntario

$721

United Airlines

Aug 4

ONT1:18 pmOntario

19h 17m

2 stops

OTP6:35 pmBucharest Otopeni Intl

Oct 22

OTP1:45 pmBucharest Otopeni Intl

19h 14m

2 stops

ONT10:59 pmOntario

$751

United Airlines

Aug 10

ONT1:18 pmOntario

19h 17m

2 stops

OTP6:35 pmBucharest Otopeni Intl

Oct 21

OTP1:45 pmBucharest Otopeni Intl

19h 14m

2 stops

ONT10:59 pmOntario

$752

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Mon 7/27

6:39 pm-6:35 pm

2 stops37h 56m

Bucharest Otopeni Intl

Wed 8/19

6:05 am-10:35 pm

2 stops26h 30m

$721

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 8/11

1:06 pm-5:40 pm

2 stops18h 34m

Bucharest Otopeni Intl

Wed 8/19

7:05 am-10:45 pm

2 stops25h 40m

$723

Quickest round-trip

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 8/4

1:18 pm-6:35 pm

2 stops19h 17m

Bucharest Otopeni Intl

Thu 10/22

1:45 pm-10:59 pm

2 stops19h 14m

$751

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Mon 8/10

1:18 pm-6:35 pm

2 stops19h 17m

Bucharest Otopeni Intl

Wed 10/21

1:45 pm-10:59 pm

2 stops19h 14m

$752

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Mon 7/27

10:00 pm-1:00 pm

2 stops29h 00m

Bucharest Otopeni Intl

Wed 8/12

2:00 pm-6:30 pm

2 stops38h 30m

$753

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 10/20

10:25 am-3:25 pm

2 stops19h 00m

Bucharest Otopeni Intl

Tue 11/3

8:00 am-10:23 pm

2 stops24h 23m

$758

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 11/24

10:47 am-2:45 pm

2 stops17h 58m

Bucharest Otopeni Intl

Tue 12/8

8:00 am-10:19 pm

2 stops24h 19m

$759

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 8/11

1:18 pm-4:20 pm

2 stops17h 02m

Bucharest Otopeni Intl

Tue 10/20

6:05 am-5:41 pm

2 stops21h 36m

$764

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Sun 11/1

9:55 am-3:50 pm

2 stops19h 55m

Bucharest Otopeni Intl

Sat 11/14

6:00 am-4:12 pm

2 stops20h 12m

$768

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Mon 7/27

6:39 pm-6:35 pm

2 stops37h 56m

Bucharest Otopeni Intl

Wed 8/12

1:45 pm-8:01 pm

3 stops40h 16m

$772

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Bucharest

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Bucharest?

United Airlines, Lufthansa, and Austrian Airlines are the most popular carriers operating from Ontario to Bucharest

What airlines fly to Bucharest?

Lufthansa, Turkish Airlines and British Airways are the top three most popular airlines that fly to Bucharest from Ontario according to our data. Lufthansa is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Bucharest. Keep in mind that there are 10 different airlines that fly to Bucharest on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Bucharest

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Bucharest according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Bucharest (ONT to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Bucharest

Fastest flight time	17h 12m
Direct flights	None

The fastest flight from Ontario to Bucharest takes 17h 12m

There are no direct flights from Ontario to Bucharest. There are no popular flight routes from Ontario to Bucharest.

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Frequently asked questions about flying from Ontario to Bucharest

How far is Ontario to Bucharest by plane?
A flight from Ontario to Bucharest will travel around 6550.5 mi. A reasonable flight in good conditions will take 17h 12m.
When did momondo last update prices for flights from Ontario Airport to Bucharest?
Prices for flights from Ontario Airport to Bucharest are refreshed on a daily basis.
How old do you have to be to fly from Ontario Airport to Bucharest?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Bucharest.
What documentation or ID do you need to fly to Bucharest?
The required travel and health documents for your Bucharest trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bucharest. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Otopeni

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Bucharest?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Bucharest for you.

Can I find flights from Ontario to Bucharest with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Bucharest from Ontario with this policy.

How can momondo help me find flights from Ontario to Bucharest?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bucharest from Ontario.

I’m not ready to book a flight from Ontario to Bucharest right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Bucharest now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bucharest and let you know when they change.

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Cheap flights from Ontario to Bucharest from $471

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Bucharest departing on 7/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from Ontario to Bucharest

Our best British Airways deals on Ontario to Bucharest flight tickets

United Airlines flights from Ontario to Bucharest

Our best United Airlines deals on Ontario to Bucharest flight tickets

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How to get the cheapest flight ticket from Ontario to Bucharest

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What airlines fly to Bucharest?

When to book flights from Ontario to Bucharest

Cheap Ontario to Bucharest (ONT to BUH) flight deals and tips

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Frequently asked questions about flying from Ontario to Bucharest

Traveling to a place near Bucharest?

Why use momondo?

An easier way to manage your Bucharest trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Romania

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Bucharest

List of cabin classes available on flights landing in Bucharest. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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