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$626+ Cheap flights from Southeast Europe to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ONT
ene. 22 — ene. 291
mié. 1/22
mié. 1/29
1 adult, Economy
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Cheap flight deals from Southeast Europe to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Southeast Europe (zzYMH) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 17, 2025.

Round-trip from

$707
(Gotogate)

One-way from

$626
(Air Serbia)
From Southeast Europe to Ontario
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One-way flight from Southeast Europe to Ontario
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Find flight deals from Southeast Europe to Ontario

Cheapest flights from Southeast Europe to Ontario
Explore the most affordable flight options available from Southeast Europe to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 17, 2025.

This Gotogate deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/88:10 amOTP - ONT
2 stops24h 35mBritish Airways
sáb. 2/2210:51 amONT - OTP
2 stops18h 09mBritish Airways
Deal found 1/16$714
This United Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/256:00 amOTP - ONT
2 stops23h 10mUnited Airlines
mar. 4/151:35 pmONT - OTP
2 stops18h 20mUnited Airlines
Deal found 1/16$722
This American Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/47:55 pmATH - ONT
2 stops32h 40mAmerican Airlines
sáb. 3/811:59 pmONT - ATH
2 stops39h 16mAmerican Airlines
Deal found 1/15$734
This Expedia deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 1/318:15 pmSOF - ONT
2 stops32h 22mMultiple Airlines
mar. 2/47:00 amONT - SOF
2 stops21h 10mMultiple Airlines
Deal found 1/15$737
This British Airways deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/38:00 pmZAG - ONT
2 stops31h 35mBritish Airways
mié. 3/194:30 pmONT - ZAG
2 stops19h 35mBritish Airways
Deal found 1/16$761
This British Airways deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/207:30 amATH - ONT
2 stops24h 34mBritish Airways
dom. 2/236:59 amONT - ATH
2 stops21h 46mBritish Airways
Deal found 1/15$767
This United Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/67:05 amATH - ONT
2 stops23h 24mUnited Airlines
mar. 2/2510:36 amONT - ATH
2 stops19h 49mUnited Airlines
Deal found 1/15$822
This Delta deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/289:10 amATH - ONT
1 stop20h 19mDelta
lun. 9/17:00 amONT - ATH
1 stop17h 55mDelta
Deal found 1/15$848
This KLM deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/19:10 amATH - ONT
1 stop20h 19mKLM
dom. 9/77:00 amONT - ATH
1 stop16h 30mKLM
Deal found 1/16$861
This Delta deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/36:00 amZAG - ONT
2 stops25h 40mDelta
vie. 6/209:55 amONT - ZAG
2 stops19h 30mDelta
Deal found 1/16$900
This American Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 1/318:15 pmSOF - ONT
2 stops36h 30mAmerican Airlines
mar. 2/46:10 amONT - SOF
3 stops22h 00mAmerican Airlines
Deal found 1/15$949
This Air Serbia deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/94:05 pmOTP - ONT
2 stops40h 17mAir Serbia
mar. 9/1611:37 pmONT - OTP
2 stops29h 43mAir Serbia
Deal found 1/16$1,074

Find flights from Southeast Europe to Ontario within your budget

Customize your flight search to find flights from Southeast Europe to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

sáb. 2/8

8:10 am-10:45 pm

2 stops24h 35m

Ontario

sáb. 2/22

10:51 am-3:00 pm

2 stops18h 09m

$707

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

mar. 3/4

4:25 pm-2:01 pm

2 stops55h 36m

Ontario

sáb. 3/8

11:59 pm-11:45 pm

2 stops37h 46m

$718

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

mar. 3/25

6:00 am-8:10 pm

2 stops23h 10m

Ontario

mar. 4/15

1:35 pm-5:55 pm

2 stops18h 20m

$722

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

mar. 3/4

7:55 pm-6:35 pm

2 stops32h 40m

Ontario

sáb. 3/8

11:59 pm-1:15 am

2 stops39h 16m

$734

SofiaOntario

SOF - ONT

SOFONT

Sofia

vie. 1/31

8:15 pm-6:37 pm

2 stops32h 22m

Ontario

mar. 2/4

7:00 am-2:10 pm

2 stops21h 10m

$737

ZagrebOntario

ZAG - ONT

ZAGONT

Zagreb Franjo Tuđman

lun. 3/3

8:00 pm-6:35 pm

2 stops31h 35m

Ontario

mié. 3/19

4:30 pm-8:05 pm

2 stops19h 35m

$761

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

jue. 2/20

7:30 am-10:04 pm

2 stops24h 34m

Ontario

dom. 2/23

6:59 am-2:45 pm

2 stops21h 46m

$767

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

jue. 2/6

7:05 am-8:29 pm

2 stops23h 24m

Ontario

mar. 2/25

10:36 am-4:25 pm

2 stops19h 49m

$822

ZagrebOntario

ZAG - ONT

ZAGONT

Zagreb Franjo Tuđman

mar. 6/3

6:00 am-10:40 pm

2 stops25h 40m

Ontario

vie. 6/20

9:55 am-2:25 pm

2 stops19h 30m

$900

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

vie. 5/2

10:30 am-10:41 pm

1 stop22h 11m

Ontario

dom. 5/11

10:59 pm-9:30 am

1 stop24h 31m

$932

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 43 results
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Best time to book a flight from Southeast Europe to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Southeast Europe with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Southeast Europe to Ontario

Get recent, data-driven insights about flights from Southeast Europe to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Southeast Europe to Ontario?

Currently, August is the cheapest month in which you can book a flight from Southeast Europe to Ontario (average of $246). Flying from Southeast Europe to Ontario in March is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated enero 17, 2025.
Peruse reviews from past customers who have flown with United Airlines, British Airways and American Airlines from Southeast Europe to Ontario to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Qatar Airways
7.5
Good
3,752 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,487 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,965 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Southeast Europe to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Southeast Europe?

    Ontario (ONT) is the airport you will fly into if you book a flight from Southeast Europe to Ontario. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

  • What are the cheapest airlines to fly from Southeast Europe to Ontario one-way?

    The cheapest airline one-way is Air Serbia, with whom users have recently found tickets for as low as $626. However, be on the lookout for offers from British Airways and Qatar Airways, as they are both options that can get you from Southeast Europe to Ontario for a low price.

  • What are the most popular routes from Southeast Europe to Ontario?

    The most popular flight routes from Southeast Europe to Ontario are Bucharest Otopeni Intl - Ontario, Zagreb Franjo Tuđman - Ontario and Athens Eleftherios V. - Ontario.

  • Can I find deals for flights from Southeast Europe to Ontario that include hotel bookings?

    Yes. In addition to deals on Southeast Europe to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Southeast Europe to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southeast Europe to Ontario.

  • Can I find deals for business class flights from Southeast Europe to Ontario?

    Yes. Cheapflights offers flight deals from Southeast Europe to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Southeast Europe to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Southeast Europe to Ontario (average of $246). Flying from Southeast Europe to Ontario in March is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Southeast Europe to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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