Ontario to Tokyo ONT → HND, NRT
Ontario International Airport (ONT) → Haneda Airport (HND), Narita International Airport (NRT)
The cheapest return found recently is $608 with United Airlines, 13 Jan 2027 – 21 Jan 2027, found 7 hours ago. The cheapest one-way found recently is $514 with United Airlines, 8 Nov, found 3 days ago.
Return
The cheapest return fare on each of 36 departure dates is usually $1,037 to $1,245.
Cheapest return found recently
$608
13 Jan 2027 – 21 Jan 2027 · United Airlines
Ontario International Airport (ONT) → Narita International Airport (NRT)
Leaves 7:25 a.m. · Return leaves 5:00 p.m. · 24 h 30 min of travel, both ways together
out 1 stop, back nonstop · via San Francisco International Airport (SFO)
found 7 hours ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$608 13 Jan 2027 – 21 Jan 2027found 7 hours agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $769 to $1,025.
At $608, the cheapest return found recently is below that range.
25 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 36 departure dates from 22 Oct to 18 Sept 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?
No. We hold 8-night return fares on 1 other departure date within 3 days of 13 Jan 2027, and it is not cheaper.
Every date we hold
158 fares on 36 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 22 Oct – 29 Oct | $1,113 | United Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 27 Oct – 10 Nov | $1,043 | United Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 1 Nov – 15 Nov | $1,130 | United Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 3 Nov – 9 Nov | $1,042 | United Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 11 Nov – 19 Nov | $1,208 | STARLUX Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 16 Nov – 21 Nov | $1,100 | United Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 24 Nov – 27 Nov | $1,491 | United Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 28 Nov – 15 Dec | $939 | United Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 5 days ago | See prices for these dates |
| 29 Nov – 19 Dec | $1,038 | United Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 1 Dec – 15 Dec | $837 | Frontier Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 6 days ago | See prices for these dates |
| 3 Dec – 15 Dec | $1,044 | Alaska Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 4 Dec – 18 Dec | $809 | Frontier Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 4 days ago | See prices for these dates |
| 6 Dec – 22 Dec | $970 | United Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found yesterday | See prices for these dates |
| 11 Dec – 25 Dec | $1,336 | Alaska Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 13 Dec – 21 Dec | $1,336 | Japan Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 27 Dec – 7 Jan 2027 | $1,341 | American Airlines | Ontario International Airport (ONT) → Haneda Airport (HND) | out 1 stop, back 2 stops | found 5 days ago | See prices for these dates |
| 3 Jan 2027 – 10 Jan 2027 | $1,582 | China Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 7 Jan 2027 – 11 Jan 2027 | $1,389 | United Airlines | Ontario International Airport (ONT) → Haneda Airport (HND) | out 1 stop, back nonstop | found yesterday | See prices for these dates |
| 13 Jan 2027 – 21 Jan 2027 | $608 | United Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 7 hours ago | See prices for these dates |
| 14 Jan 2027 – 22 Jan 2027 | $1,032 | Japan Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 18 Jan 2027 – 25 Jan 2027 | $1,066 | United Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found today | See prices for these dates |
| 28 Jan 2027 – 14 Feb 2027 | $1,383 | Alaska Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 6 days ago | See prices for these dates |
| 3 Feb 2027 – 16 Feb 2027 | $961 | Alaska Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 4 days ago | See prices for these dates |
| 18 Mar 2027 – 31 Mar 2027 | $1,163 | China Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 5 days ago | See prices for these dates |
| 19 Mar 2027 – 2 Apr 2027 | $1,156 | China Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 20 Mar 2027 – 3 Apr 2027 | $1,134 | STARLUX Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 21 Mar 2027 – 2 Apr 2027 | $1,193 | China Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 28 Mar 2027 – 11 Apr 2027 | $1,214 | China Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 2 Apr 2027 – 12 Apr 2027 | $1,103 | STARLUX Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 12 Apr 2027 – 22 Apr 2027 | $1,116 | STARLUX Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 10 Jun 2027 – 20 Jun 2027 | $1,517 | China Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 1 Jul 2027 – 22 Jul 2027 | $1,517 | Alaska Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 21 Jul 2027 – 5 Aug 2027 | $850 | United Airlines | Ontario International Airport (ONT) → Haneda Airport (HND) | out 1 stop, back nonstop | found yesterday | See prices for these dates |
| 9 Aug 2027 – 16 Aug 2027 | $1,146 | China Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 1 Sept 2027 – 22 Sept 2027 | $1,156 | STARLUX Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 18 Sept 2027 – 27 Sept 2027 | $1,031 | STARLUX Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | out 1 stop, back nonstop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $608.
Airlines on the cheapest dates: United Airlines, China Airlines, STARLUX Airlines, Alaska Airlines, Frontier Airlines, Japan Airlines, American Airlines.
One-way
The cheapest one-way fare on each of 10 departure dates is usually $535 to $607.
Cheapest one-way found recently
$514
8 Nov · United Airlines
Ontario International Airport (ONT) → Narita International Airport (NRT)
Leaves 6:00 a.m. · 16 h 5 min trip
1 stop · via San Francisco International Airport (SFO)
found 3 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$514 8 Novfound 3 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $430 to $606.
25 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?
Compared with the cheapest one-way fare on each of 10 departure dates from 8 Nov to 20 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 one-way fares leaving within 3 days of 8 Nov to compare.
Every date we hold
28 fares on 10 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 8 Nov | $514 | United Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | 1 stop | found 3 days ago | Open this trip |
| 28 Nov | $523 | United Airlines | Ontario International Airport (ONT) → Haneda Airport (HND) | 1 stop | found 5 days ago | Open this trip |
| 14 Jan 2027 | $576 | Alaska Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | 1 stop | found 4 days ago | Open this trip |
| 16 Jan 2027 | $520 | Alaska Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | 1 stop | found 6 days ago | Open this trip |
| 28 Jan 2027 | $569 | Japan Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | 1 stop | found 4 days ago | Open this trip |
| 5 Mar 2027 | $607 | STARLUX Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | 1 stop | found 4 days ago | Open this trip |
| 8 Mar 2027 | $607 | STARLUX Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | 1 stop | found 4 days ago | Open this trip |
| 17 Mar 2027 | $606 | STARLUX Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | 1 stop | found 3 days ago | Open this trip |
| 19 Mar 2027 | $652 | China Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | 1 stop | found 5 days ago | Open this trip |
| 20 Mar 2027 | $618 | STARLUX Airlines | Ontario International Airport (ONT) → Narita International Airport (NRT) | 1 stop | found 5 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $514.
Airlines on the cheapest dates: STARLUX Airlines, United Airlines, Alaska Airlines, Japan Airlines, China Airlines.
Premium cabin fares from Ontario to Tokyo
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 13 Jan 2027 – 21 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 8 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ontario to Tokyo?
Return
Fares 30 to 59 days before departure were typically 19% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 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 |
|---|---|---|---|---|
| 0–6 days | $1,134 | $1,067 | +23% | 12 |
| 7–13 days | $1,043 | $969 | +14% | 23 |
| 14–29 days | $989 | $769 | +8% | 25 |
| 30–59 days | $919 | $769 | Cheapest seen | 25 |
| 60–89 days | $1,032 | $952 | +12% | 21 |
| 90–179 days | $1,005 | $893 | +9% | 25 |
| 180+ days | $1,031 | $850 | +12% | 25 |
One-way
The cheapest fares were 30 to 59 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 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 |
|---|---|---|---|---|
| 30–59 days | $430 | $430 | Cheapest seen | 15 |
| 90–179 days | $583 | $520 | +36% | 17 |
| 180+ days | $606 | $510 | +41% | 25 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Los Angeles → Tokyo
56 km from Ontario
$627
$19 more than flying from Ontario
3 Dec – 15 Dec · LAX → NRT · out nonstop, back nonstop
found 21 hours ago
Long Beach → Tokyo
60 km from Ontario
$1,086
$478 more than flying from Ontario
1 Dec – 15 Dec · LGB → HND · 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 → Tokyo
56 km from Ontario
$289
$225 less than flying from Ontario
28 Jan 2027 · LAX → NRT · nonstop
found 2 hours ago
Long Beach → Tokyo
60 km from Ontario
$1,079
$565 more than flying from Ontario
5 Apr 2027 · LGB → NRT · 1 stop
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 13 Jan 2027 – 21 Jan 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