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$408+ Cheap flights from Ontario (ONT) to Budapest (BUD)

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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BUD
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap flight deals from Ontario to Budapest

Cheapest flights from Ontario to Budapest
Explore the most affordable flight options available from Ontario to Budapest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2026.

This oojo deal was found by Cheapflights users on 2/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:54 pm
ONT
-
BUD
2 stops23h 16m
British Airways
Wed 8/267:55 am
BUD
-
ONT
2 stops23h 19m
British Airways
Deal found 2/15$506
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Wed 9/27:00 am
ONT
-
BUD
2 stops24h 50m
United Airlines
Wed 9/1611:45 am
BUD
-
ONT
2 stops43h 41m
United Airlines
Deal found 2/16$528
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Mon 5/41:30 pm
ONT
-
BUD
2 stops19h 45m
United Airlines
Tue 5/122:25 pm
BUD
-
ONT
2 stops17h 34m
United Airlines
Deal found 2/17$533
This oojo deal was found by Cheapflights users on 2/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/64:54 pm
ONT
-
BUD
2 stops23h 16m
British Airways
Wed 9/167:55 am
BUD
-
ONT
2 stops22h 55m
British Airways
Deal found 2/15$536
This oojo deal was found by Cheapflights users on 2/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/184:54 pm
ONT
-
BUD
2 stops23h 01m
British Airways
Tue 9/111:40 am
BUD
-
ONT
2 stops39h 37m
British Airways
Deal found 2/15$541
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Sun 8/166:53 pm
ONT
-
BUD
2 stops36h 57m
United Airlines
Fri 9/45:55 am
BUD
-
ONT
2 stops26h 11m
United Airlines
Deal found 2/16$552
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Sun 8/166:00 am
ONT
-
BUD
2 stops32h 30m
United Airlines
Mon 9/71:20 pm
BUD
-
ONT
2 stops37h 27m
United Airlines
Deal found 2/16$563
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Sat 8/156:53 pm
ONT
-
BUD
2 stops33h 37m
United Airlines
Wed 9/92:15 pm
BUD
-
ONT
2 stops17h 51m
United Airlines
Deal found 2/16$564
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Sat 10/176:53 pm
ONT
-
BUD
2 stops36h 57m
United Airlines
Sun 11/110:05 am
BUD
-
ONT
2 stops20h 16m
United Airlines
Deal found 2/18$570
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Wed 3/186:00 am
ONT
-
BUD
2 stops31h 10m
United Airlines
Wed 3/257:55 am
BUD
-
ONT
2 stops23h 02m
United Airlines
Deal found 2/17$571
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Sat 8/156:53 pm
ONT
-
BUD
2 stops33h 37m
United Airlines
Mon 9/71:20 pm
BUD
-
ONT
2 stops37h 27m
United Airlines
Deal found 2/16$575
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Mon 12/215:00 am
ONT
-
BUD
2 stops31h 10m
United Airlines
Thu 12/316:20 am
BUD
-
ONT
2 stops25h 46m
United Airlines
Deal found 2/18$581

Find flight deals from Ontario to Budapest

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Budapest (BUD). 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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$506
(oojo)

One-way from

$408
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$700
Provider with most accurate pricing for Ontario-Budapest Ferenc Liszt Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Budapest Ferenc Liszt Intl flights.
Search Deals
From Ontario to Budapest Ferenc Liszt Intl
Search Deals
One-way flight from Ontario to Budapest Ferenc Liszt Intl
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($247 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Budapest 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 February 19, 2026.
Use the filters below to find and compare flights from Ontario to Budapest that are best for you.

Fly from

Ontario

Fly to

Budapest

Route

Depart

Return

Price

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Mon 5/4

1:30 pm-6:15 pm

2 stops19h 45m

Budapest Ferenc Liszt Intl

Tue 5/12

2:25 pm-10:59 pm

2 stops17h 34m

$533

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Sun 5/3

1:30 pm-6:35 pm

2 stops20h 05m

Budapest Ferenc Liszt Intl

Wed 5/13

2:15 pm-10:59 pm

2 stops17h 44m

$533

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Mon 5/4

1:30 pm-6:15 pm

2 stops19h 45m

Budapest Ferenc Liszt Intl

Wed 5/13

2:15 pm-10:59 pm

2 stops17h 44m

$533

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Mon 8/17

1:33 pm-11:30 pm

2 stops24h 57m

Budapest Ferenc Liszt Intl

Thu 9/3

9:10 am-5:47 pm

2 stops17h 37m

$552

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Sun 8/16

6:00 am-11:30 pm

2 stops32h 30m

Budapest Ferenc Liszt Intl

Thu 9/3

2:25 pm-11:06 pm

2 stops17h 41m

$552

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Sun 8/16

6:53 pm-4:50 pm

2 stops36h 57m

Budapest Ferenc Liszt Intl

Tue 9/8

5:55 am-5:47 pm

2 stops20h 52m

$552

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Sat 8/15

6:53 pm-1:30 pm

2 stops33h 37m

Budapest Ferenc Liszt Intl

Fri 9/4

2:15 pm-11:06 pm

2 stops17h 51m

$564

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Wed 3/18

6:00 am-9:10 pm

2 stops31h 10m

Budapest Ferenc Liszt Intl

Wed 3/25

7:55 am-10:57 pm

2 stops23h 02m

$571

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Mon 5/18

1:30 pm-6:15 pm

2 stops19h 45m

Budapest Ferenc Liszt Intl

Tue 5/26

6:00 am-5:56 pm

2 stops20h 56m

$596

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Tue 4/28

4:52 pm-12:55 am

2 stops23h 03m

Budapest Ferenc Liszt Intl

Wed 5/6

7:55 am-10:36 pm

2 stops23h 41m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 24 results
1
2
3
  • Most accurate provider: When it comes to deals on Ontario-Budapest flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Budapest flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Budapest flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Budapest flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Budapest flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Budapest

Have a flexible travel schedule? Discover the best time to fly to Budapest from Ontario 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Budapest

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Budapest (average of $434). Flying from Ontario to Budapest in June is currently the most expensive (average of $704). 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.

Reviews of airlines servicing Budapest

Get insights into the airlines that provide service to Budapest. 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 Budapest. Reviews last updated February 19, 2026.
Peruse reviews from past customers who have flown with United Airlines from Ontario to Budapest to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,322 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,322 reviews
United Airlines
7.4
Good
9,322 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

  • How long is the flight from Ontario to Budapest?

    United Airlines can get you from Ontario to Budapest in just under 19h 45m. Your travel time can differ by up to . There are 6200 mi between Ontario and Budapest.

  • What is the cheapest airline to fly from Ontario to Budapest round-trip?

    According to our current data, United Airlines ($553), offers the cheapest pricing from Ontario to Budapest.

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

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

  • How can I find direct flights from Ontario to Budapest?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Budapest 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 Ontario to Budapest?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Budapest (average of $434). Flying from Ontario to Budapest in June is currently the most expensive (average of $704). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ontario to Budapest

Discover the top airline that operate flights from Ontario to Budapest. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$553Average$831FlexibilityNo cancel feeOn-time69%

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