Business-class award flights from Seoul Incheon (ICN) to Ontario, California (ONT)
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In the last 30 days AwardTool saw business-class award space on 3 programs for ICN→ONT. Lowest: 210,900 miles + $42.09 with United MileagePlus, which showed business-class award space on 19 dates. A mixed-cabin itinerary, with part of the trip in a lower cabin, was seen from 182,156 points + $112.20 with Air Canada Aeroplan.
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest observed
- 210,900 miles + $42.09
- United MileagePlus
- Programs with space
- 3 of 7
- programs seen on this route
- Most dates seen
- 19 of 19
- dates checked · United MileagePlus
- Nonstop
- Not seen
- in the last 30 days
Compare programs for business class
The lowest one-way business-class award each program showed on ICN→ONT, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Air Canada AeroplanLowest, mixed cabin | 182,156 pts + $112.20Mixed cabin | 2 stops | Air Canada (AC), United Airlines (UA) | 5 | 11 | See dates | |
| United MileagePlus | 210,900 pts + $42.09 | 1 stop | EVA Air (BR), Asiana Airlines (OZ), United Airlines (UA) | 9+ | 19 | See dates | |
| American Airlines AAdvantage | 324,000 pts + $42.09 | 1 stop | American Airlines (AA) | — | 13 | See dates |
Not seen in business class: Alaska Atmos Rewards, Delta SkyMiles, GOL Smiles and Virgin Atlantic Flying Club.
Not seen means AwardTool hasn't observed this cabin on this route in the last 30 days. It doesn't mean the airline has no seats. Dates seen counts departure dates with an open award in that cabin at any price; newest observation is the latest time AwardTool saw one of them. Seats is the count the program reported when we observed it; some programs report at most 9.
Observed business-class award examples
| Departure | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Air Canada Aeroplan | 182,156 pts + $112.20Mixed cabin | 5 | 2 stops | Check this date | ||
| United MileagePlus | 210,900 pts + $47.69 | 8 | 2 stops | Check this date | ||
| United MileagePlus | 210,900 pts + $42.09 | 9+ | 1 stop | Check this date | ||
| Air Canada Aeroplan | 217,685 pts + $112.20 | 6 | 3 stops | Check this date | ||
| American Airlines AAdvantage | 450,000 pts + $42.09 | — | 1 stop | Check this date | ||
| American Airlines AAdvantage | 450,000 pts + $42.09 | — | 1 stop | Check this date |
Prices are one-way per traveler: the program's points or miles plus taxes and carrier fees in USD, as AwardTool observed them in the observation window. Award space changes constantly. A seat we saw may be gone, and space we haven't seen may exist. Always confirm with a live search before transferring points; most transfers can't be reversed.
How often business-class award space showed up
Departure dates in the next 365 days that AwardTool checked for each program in the last 30 days, how many had business-class award space at any price, and the latest departure with space.
| Program | Dates with space | Share of dates checked | Latest departure with space |
|---|---|---|---|
| Air Canada Aeroplan | 11 of 18 | 61% | |
| United MileagePlus | 19 of 19 | 100% | |
| American Airlines AAdvantage | 13 of 21 | 61% |
Best months for business class from Seoul Incheon (ICN) to Ontario, California (ONT)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 250,000 pts + taxes vary | United MileagePlus | 4 | |
| 182,156 pts + taxes varyMixed cabin | Air Canada Aeroplan | 6 | |
| 280,800 pts + taxes vary | United MileagePlus | 2 | |
| 362,800 pts + taxes vary | United MileagePlus | 1 | |
| 450,000 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 217,686 pts + taxes vary | Air Canada Aeroplan | 3 | |
| 244,468 pts + taxes vary | Air Canada Aeroplan | 2 |
Lowest business class award by month and program
Each program's lowest one-way business-class award by departure month, in its own points or miles; taxes vary. — means the program showed no business-class space that month.
| Program | |||||||
|---|---|---|---|---|---|---|---|
| Air Canada Aeroplanpoints | — | 182,156Mixed cabin | — | — | — | 217,686 | 244,468 |
| United MileagePlusmiles | 250,000 | 210,900 | 280,800 | 362,800 | — | 231,400 | 297,500 |
| American Airlines AAdvantagemiles | 450,000 | 450,000 | 450,000 | 450,000 | 450,000 | 361,000 | 324,000 |
Airlines seen in business class
Airlines that appeared on the award itineraries AwardTool observed, and the programs that showed them.
- American Airlines (AA): American Airlines AAdvantage
- Air Canada (AC): Air Canada Aeroplan
- EVA Air (BR): United MileagePlus
- Asiana Airlines (OZ): United MileagePlus
- United Airlines (UA): Air Canada Aeroplan and United MileagePlus
Business class on nearby routes
The lowest business-class award AwardTool observed on related routes, as each route's page shows it: the return direction, other airports in the same cities, and more routes from Seoul Incheon (ICN) and to Ontario, California (ONT). One way, in the program's points or miles; taxes are on each route's page.
| Route | Lowest observed | Program | Dates seen |
|---|---|---|---|
| Ontario (ONT) to Seoul Incheon (ICN)Return direction | 164,000 miles | American Airlines AAdvantage | 22 |
| Seoul Incheon (ICN) to Singapore (SIN)Also from ICN | 30,000 miles | American Airlines AAdvantage | 41 |
| Seoul Incheon (ICN) to São Paulo Guarulhos (GRU)Also from ICN | 110,000 miles | Emirates Skywards | 88 |
| Seoul Incheon (ICN) to Los Angeles (LAX)Also from ICN | 60,000 miles | American Airlines AAdvantage | 281 |
| Seoul Incheon (ICN) to New York JFKAlso from ICN | 60,000 miles | American Airlines AAdvantage | 274 |
| Taipei Taoyuan (TPE) to Ontario (ONT)Also to ONT | 175,000 pointsNonstop | Alaska Atmos Rewards | 68 |
| Manila (MNL) to Ontario (ONT)Also to ONT | 232,900 miles | United MileagePlus | 107 |
| Bangkok Suvarnabhumi (BKK) to Ontario (ONT)Also to ONT | 139,999 miles | Etihad Guest | 43 |
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| Air Canada Aeroplan | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | — | — |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
| United MileagePlus | — | 1:1 · Instant | — | 1:1 · Instant | — | — |
Check current transfer bonuses. Most transfers can't be reversed.
Questions about business-class award flights from Seoul Incheon (ICN) to Ontario, California (ONT)
What's the lowest business-class award from Seoul Incheon (ICN) to Ontario, California (ONT)?
210,900 miles + $42.09 with United MileagePlus. Seen Oct 19, 2026, 02:24 UTC for a Nov 8, 2026 departure. United MileagePlus showed business-class award space on 19 departure dates at any price (newest observation Oct 19, 2026, 02:24 UTC). A mixed-cabin itinerary, with part of the trip in a lower cabin, was seen from 182,156 points + $112.20 with Air Canada Aeroplan. Search live before transferring points.
Which programs had business-class award space from Seoul Incheon (ICN) to Ontario, California (ONT)?
Air Canada Aeroplan (11 dates), United MileagePlus (19 dates) and American Airlines AAdvantage (13 dates), in the last 30 days.
Is there nonstop business-class award space from Seoul Incheon (ICN) to Ontario, California (ONT)?
AwardTool hasn't observed nonstop business-class award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which months had the lowest business-class award prices from Seoul Incheon (ICN) to Ontario, California (ONT)?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers, the lowest business-class award AwardTool observed was for Nov 2026 departures: 210,900 miles with MileagePlus (7 dates). A mixed-cabin itinerary was seen for Nov 2026 departures from 182,156 points with Aeroplan. The month table shows every lowest price, including those. Based on dates we observed, not a forecast.