Budapest

$383+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BUD
May 25 — Jun 11
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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 April 25, 2026.

This United Airlines deal was found by Cheapflights users on 4/23. 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 10/2111:20 am
ONT
-
BUD
2 stops20h 30m
United Airlines
Wed 11/412:05 pm
BUD
-
ONT
2 stops20h 01m
United Airlines
Deal found 4/23$739
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 8/255:00 am
ONT
-
BUD
2 stops19h 40m
United Airlines
Tue 9/82:25 pm
BUD
-
ONT
2 stops17h 33m
United Airlines
Deal found 4/23$771
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 9/229:01 am
ONT
-
BUD
2 stops18h 34m
United Airlines
Tue 10/62:25 pm
BUD
-
ONT
2 stops17h 34m
United Airlines
Deal found 4/21$800
This United Airlines deal was found by Cheapflights users on 4/23. 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 10/249:39 am
ONT
-
BUD
2 stops18h 56m
United Airlines
Sat 11/72:30 pm
BUD
-
ONT
2 stops17h 36m
United Airlines
Deal found 4/23$839
This oojo deal was found by Cheapflights users on 4/23. 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 11/294:47 pm
ONT
-
BUD
2 stops21h 13m
British Airways
Wed 12/168:05 am
BUD
-
ONT
2 stops23h 14m
British Airways
Deal found 4/23$856
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Thu 9/179:01 am
ONT
-
BUD
2 stops18h 34m
United Airlines
Tue 9/292:25 pm
BUD
-
ONT
2 stops17h 34m
United Airlines
Deal found 4/24$860
This oojo deal was found by Cheapflights users on 4/21. 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 10/194:59 pm
ONT
-
BUD
2 stops23h 11m
British Airways
Mon 11/25:40 pm
BUD
-
ONT
2 stops37h 19m
British Airways
Deal found 4/21$882
This oojo deal was found by Cheapflights users on 4/20. 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.
Wed 10/214:59 pm
ONT
-
BUD
2 stops22h 11m
British Airways
Wed 11/48:05 am
BUD
-
ONT
2 stops23h 18m
British Airways
Deal found 4/20$902
This United Airlines deal was found by Cheapflights users on 4/20. 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 10/181:49 pm
ONT
-
BUD
2 stops19h 46m
United Airlines
Sun 11/17:55 am
BUD
-
ONT
2 stops23h 31m
United Airlines
Deal found 4/20$917
This oojo deal was found by Cheapflights users on 4/24. 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.
Thu 10/224:59 pm
ONT
-
BUD
2 stops23h 06m
British Airways
Thu 11/57:15 am
BUD
-
ONT
2 stops24h 08m
British Airways
Deal found 4/24$932
This United Airlines deal was found by Cheapflights users on 4/20. 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 8/227:00 am
ONT
-
BUD
2 stops17h 40m
United Airlines
Sat 9/55:55 am
BUD
-
ONT
2 stops21h 16m
United Airlines
Deal found 4/20$949

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 April 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$739
(United Airlines)

One-way from

$383
(oojo)

Popular in

June

Cheapest in

January

Average price

$661
Provider with most accurate pricing for Ontario-Budapest Ferenc Liszt Intl flight deals.
Provider most trusted by Cheapflights users for Ontario-Budapest Ferenc Liszt Intl flights.
From Ontario to Budapest Ferenc Liszt Intl
One-way flight from Ontario to Budapest Ferenc Liszt Intl
Highest demand for flights based on searches. 26% potential increase in price ($258 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 25, 2026.
Use the filters below to find and compare flights from Ontario to Budapest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Wed 8/26

2:27 pm-5:05 pm

2 stops17h 38m

Budapest Ferenc Liszt Intl

Thu 9/3

11:40 am-9:51 pm

2 stops19h 11m

$1,039

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Thu 5/7

10:37 am-4:50 pm

2 stops21h 13m

Budapest Ferenc Liszt Intl

Fri 5/29

9:35 am-9:55 pm

2 stops21h 20m

$1,073

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Tue 9/15

9:10 pm-10:55 am

2 stops28h 45m

Budapest Ferenc Liszt Intl

Sat 9/26

3:15 pm-8:13 pm

2 stops61h 58m

$1,182

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Mon 6/22

11:54 pm-2:40 pm

2 stops29h 46m

Budapest Ferenc Liszt Intl

Thu 7/23

3:15 pm-10:35 pm

2 stops40h 20m

$1,200

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Tue 9/1

11:50 pm-2:40 pm

2 stops29h 50m

Budapest Ferenc Liszt Intl

Mon 9/14

3:15 pm-8:13 pm

2 stops37h 58m

$1,200

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Mon 6/22

11:54 pm-2:40 pm

2 stops29h 46m

Budapest Ferenc Liszt Intl

Mon 7/20

11:25 am-10:35 pm

2 stops44h 10m

$1,200

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Mon 9/14

9:10 pm-2:40 pm

2 stops32h 30m

Budapest Ferenc Liszt Intl

Sat 9/26

3:15 pm-8:13 pm

2 stops61h 58m

$1,217

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Sat 5/23

11:52 am-10:25 pm

2 stops25h 33m

Budapest Ferenc Liszt Intl

Sat 5/30

6:00 am-10:34 pm

2 stops25h 34m

$1,239

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Mon 6/15

11:54 pm-2:40 pm

2 stops29h 46m

Budapest Ferenc Liszt Intl

Mon 6/29

3:15 pm-10:39 pm

2 stops40h 24m

$1,254

OntarioBudapest

ONT - BUD

ONTBUD

Ontario

Sun 6/21

11:54 pm-2:40 pm

2 stops29h 46m

Budapest Ferenc Liszt Intl

Mon 7/20

3:15 pm-10:35 pm

2 stops40h 20m

$1,285

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 24 resultsSorted by cheapest first
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.

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 April 25, 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.

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

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??

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

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?

    British Airways, United Airlines, and Air Serbia can get you from Ontario to Budapest in just under 17h 38m. Your travel time can differ by up to 11h 07m. There are 6200 mi between Ontario and Budapest. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

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 April 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$553Average$791FlexibilityNo cancel feeOn-time69%

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