Cheap flights from Ontario to Budapest from $453 ONT → BUD
Ontario International Airport (ONT) → Budapest Ferenc Liszt International Airport (BUD)
The cheapest return found recently is $836 with United Airlines, 28 Feb 2027 – 4 Mar 2027, found yesterday. The cheapest one-way found recently is $453 with United Airlines, 13 Feb 2027, found yesterday.
- Cheapest one-way found recently
- $453, found yesterday
- Cheapest return found recently
- $836, 28 Feb 2027 to 4 Mar 2027
- Usual return price
- $843 to $1,095
- Cheapest month to fly
- February 2027, return fares from $836 found in the last 7 days
Return
The cheapest return fare on each of 8 departure dates is usually $843 to $1,095.
Cheapest return found recently
$836
28 Feb 2027 – 4 Mar 2027 · United Airlines
Ontario International Airport (ONT) → Budapest Ferenc Liszt International Airport (BUD)
Leaves 4:02 p.m. · Return leaves 9:40 a.m. · 32 h 43 min of travel, both ways together
out 2 stops, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$836 28 Feb 2027 – 4 Mar 2027found yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 37 days, 25 Sept to 12 Nov, the cheapest return we saw each day was $785 to $2,412.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 8 departure dates from 10 Dec to 4 Mar 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 4-night return fares leaving within 3 days of 28 Feb 2027 to compare.
Every date we hold
8 fares on 8 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 10 Dec – 27 Dec | $1,222 | Frontier Airlines | Ontario International Airport (ONT) → Budapest Ferenc Liszt International Airport (BUD) | out 3 stops, back 1 stop | found 6 days ago | See prices for these dates |
| 11 Feb 2027 – 19 Feb 2027 | $845 | United Airlines | Ontario International Airport (ONT) → Budapest Ferenc Liszt International Airport (BUD) | out 2 stops, back 1 stop | found yesterday | See prices for these dates |
| 13 Feb 2027 – 18 Feb 2027 | $844 | American Airlines | Ontario International Airport (ONT) → Budapest Ferenc Liszt International Airport (BUD) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
| 14 Feb 2027 – 18 Feb 2027 | $1,069 | United Airlines | Ontario International Airport (ONT) → Budapest Ferenc Liszt International Airport (BUD) | out 2 stops, back 1 stop | found yesterday | See prices for these dates |
| 15 Feb 2027 – 19 Feb 2027 | $839 | United Airlines | Ontario International Airport (ONT) → Budapest Ferenc Liszt International Airport (BUD) | out 2 stops, back 1 stop | found yesterday | See prices for these dates |
| 27 Feb 2027 – 8 Mar 2027 | $1,037 | American Airlines | Ontario International Airport (ONT) → Budapest Ferenc Liszt International Airport (BUD) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
| 28 Feb 2027 – 4 Mar 2027 | $836 | United Airlines | Ontario International Airport (ONT) → Budapest Ferenc Liszt International Airport (BUD) | out 2 stops, back 1 stop | found yesterday | See prices for these dates |
| 4 Mar 2027 – 7 Mar 2027 | $1,171 | United Airlines | Ontario International Airport (ONT) → Budapest Ferenc Liszt International Airport (BUD) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $836.
Airlines on the cheapest dates: United Airlines, American Airlines, Frontier Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$453
13 Feb 2027 · United Airlines
Ontario International Airport (ONT) → Budapest Ferenc Liszt International Airport (BUD)
Leaves 11:27 a.m. · 21 h 23 min trip
2 stops
found yesterday
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$453 13 Feb 2027found yesterdayOpen this trip
$434 17 Apr 2027found 4 days agoOpen this trip
What have prices looked like?
Over 21 days, 26 Sept to 12 Nov, the cheapest one-way we saw each day was $386 to $604.
21 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 13 Feb 2027 to compare.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 13 Feb 2027 | $453 | United Airlines | Ontario International Airport (ONT) → Budapest Ferenc Liszt International Airport (BUD) | 2 stops | found yesterday | Open this trip |
| 17 Apr 2027 | $434 | United Airlines | Ontario International Airport (ONT) → Budapest Ferenc Liszt International Airport (BUD) | 2 stops | found 4 days ago | Open this trip |
Which month looks cheapest?
April 2027 is the cheapest month — from $434.
Airlines on the cheapest dates: United Airlines.
Premium cabin fares from Ontario to Budapest
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 28 Feb 2027 – 4 Mar 2027 in another cabin: Premium economy · Business · First
Today's prices for 13 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ontario to Budapest?
Return
Fares 90 to 179 days before departure were typically 40% lower than 14 to 29 days before departure.
From the cheapest return each day between 25 Sept and 12 Nov (37 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 14–29 days | $1,429 | $1,222 | +68% | 7 |
| 30–59 days | $1,222 | $902 | +43% | 14 |
| 60–89 days | $902 | $785 | +6% | 23 |
| 90–179 days | $853 | $836 | Cheapest seen | 17 |
One-way
Not enough history yet: in 21 days of one-way prices, 26 Sept to 12 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Los Angeles → Budapest
56 km from Ontario
$758
$78 less than flying from Ontario
4 Mar 2027 – 7 Mar 2027 · LAX → BUD · out 1 stop, back 1 stop
found yesterday
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Los Angeles → Budapest
56 km from Ontario
$386
$67 less than flying from Ontario
13 Feb 2027 · SNA → BUD · 2 stops
found yesterday
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 28 Feb 2027 – 4 Mar 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Ontario to Budapest?
The cheapest return found recently is $836 with United Airlines, 28 Feb 2027 to 4 Mar 2027, found yesterday. The cheapest return fare on each of 8 departure dates is usually $843 to $1,095.
How much is a one-way flight from Ontario to Budapest?
The cheapest one-way found recently is $453 with United Airlines, 13 Feb 2027, found yesterday. The cheapest one-way we hold, of any age, is $434 with United Airlines, 17 Apr 2027, found 4 days ago.
What is the cheapest month to fly from Ontario to Budapest?
February 2027 is the cheapest month for a return, from $836, 28 Feb 2027 to 4 Mar 2027, found yesterday. April 2027 is the cheapest month for a one-way, from $434, 17 Apr 2027, found 4 days ago.
How far ahead should I book a flight from Ontario to Budapest?
In 37 days of prices between 25 Sept and 12 Nov, return fares 90 to 179 days before departure were typically 40% lower than 14 to 29 days before departure.
How long is the flight from Ontario to Budapest?
The cheapest one-way found recently, with United Airlines on 13 Feb 2027, takes 21 h 23 min with 2 stops.
Which airlines have the cheapest flights from Ontario to Budapest?
Between 10 Dec and 4 Mar 2027, United Airlines has the cheapest return on 5 of the 8 departure dates we hold, American Airlines on 2 and Frontier Airlines on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work