Ontario to Frankfurt ONT → FRA
Ontario International Airport (ONT) → Frankfurt Airport (FRA)
The cheapest return found recently is $1,027 with United Airlines, 8 Apr 2027 – 17 Apr 2027, found yesterday.
Return
The cheapest return fare on each of 9 departure dates is usually $969 to $1,079.
Cheapest return found recently
$1,027
8 Apr 2027 – 17 Apr 2027 · United Airlines
Ontario International Airport (ONT) → Frankfurt Airport (FRA)
Leaves 11:20 a.m. · Return leaves 10:00 a.m. · 33 h 46 min of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$1,027 8 Apr 2027 – 17 Apr 2027found yesterdaySee prices for these dates
$921 15 Nov – 24 Novfound 6 days agoSee prices for these dates
What have prices looked like?
Over 20 days, 29 Sept to 18 Oct, the cheapest return we saw each day was $773 to $969.
At $1,027, the cheapest return found recently is above that range.
20 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 return price?
Compared with the cheapest return fare on each of 9 departure dates from 23 Oct to 8 Apr 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 9-night return fares leaving within 3 days of 8 Apr 2027 to compare.
Every date we hold
17 fares on 9 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Oct – 29 Oct | $1,142 | Alaska Airlines | Ontario International Airport (ONT) → Frankfurt Airport (FRA) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 25 Oct – 2 Nov | $978 | Alaska Airlines | Ontario International Airport (ONT) → Frankfurt Airport (FRA) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 26 Oct – 3 Nov | $1,079 | Alaska Airlines | Ontario International Airport (ONT) → Frankfurt Airport (FRA) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 27 Oct – 7 Nov | $1,085 | Alaska Airlines | Ontario International Airport (ONT) → Frankfurt Airport (FRA) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 28 Oct – 5 Nov | $969 | United Airlines | Ontario International Airport (ONT) → Frankfurt Airport (FRA) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 29 Oct – 6 Nov | $969 | United Airlines | Ontario International Airport (ONT) → Frankfurt Airport (FRA) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 15 Nov – 24 Nov | $921 | United Airlines | Ontario International Airport (ONT) → Frankfurt Airport (FRA) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 6 Apr 2027 – 20 Apr 2027 | $1,020 | United Airlines | Ontario International Airport (ONT) → Frankfurt Airport (FRA) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 8 Apr 2027 – 17 Apr 2027 | $1,027 | United Airlines | Ontario International Airport (ONT) → Frankfurt Airport (FRA) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $921.
Airlines on the cheapest dates: United Airlines, Alaska Airlines.
Premium cabin fares from Ontario to Frankfurt
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 8 Apr 2027 – 17 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ontario to Frankfurt?
Return
The cheapest fares were 14 to 29 days before departure.
From the cheapest return each day between 29 Sept and 18 Oct (20 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 |
|---|---|---|---|---|
| 7–13 days | $929 | $889 | +5% | 10 |
| 14–29 days | $889 | $773 | Cheapest seen | 10 |
| 30–59 days | $988 | $773 | +11% | 16 |
| 60–89 days | $955 | $955 | +7% | 12 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Los Angeles → Frankfurt
56 km from Ontario
$859
$168 less than flying from Ontario
8 Apr 2027 – 17 Apr 2027 · LAX → FRA · 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.
Live price for these dates
The cheapest return found recently is for 8 Apr 2027 – 17 Apr 2027. A live search on this page shows what those dates cost now, for one adult in economy.
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