Business-class award flights from Ontario, California (ONT) to Singapore (SIN)
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In the last 30 days AwardTool saw business-class award space on 4 programs for ONT→SIN. Lowest: 250,000 miles + $5.60 with United MileagePlus, which showed business-class award space on 31 dates. No nonstop business-class award was seen in the last 30 days.
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest observed
- 250,000 miles + $5.60
- United MileagePlus
- Programs with space
- 4 of 11
- programs seen on this route
- Most dates seen
- 40 of 43
- dates checked · Air Canada Aeroplan
- Nonstop
- Not seen
- in the last 30 days
Compare programs for business class
The lowest one-way business-class award each program showed on ONT→SIN, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| United MileagePlusLowest observed | 250,000 pts + $5.60 | 1 stop | EVA Air (BR), ANA (NH), Singapore Airlines (SQ), United Airlines (UA) | 9+ | 31 | See dates | |
| Alaska Atmos Rewards | 250,000 pts + $48.80Mixed cabin | 1 stop | Alaska Airlines (AS), STARLUX Airlines (JX) | 2 | 16 | See dates | |
| Air Canada Aeroplan | 484,987 pts + $76.21Mixed cabin | 2 stops | Air Canada (AC), Singapore Airlines (SQ), Thai Airways International (TG), United Airlines (UA) | 9+ | 40 | See dates | |
| Etihad Guest | 612,250 pts + $773.00 | 2 stops | American Airlines (AA), JetBlue (B6), Etihad Airways (EY) | 5 | 1 | See dates |
Not seen in business class: American Airlines AAdvantage, Avianca LifeMiles, JetBlue TrueBlue, Delta SkyMiles, GOL Smiles, Air France/KLM Flying Blue and Qantas Frequent Flyer.
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) | |
|---|---|---|---|---|---|---|
| United MileagePlus | 250,000 pts + $5.60 | 9+ | 1 stop | Check this date | ||
| United MileagePlus | 250,000 pts + $5.60 | 9+ | 1 stop | Check this date | ||
| Alaska Atmos Rewards | 250,000 pts + $49.10Mixed cabin | 2 | 2 stops | Check this date | ||
| Alaska Atmos Rewards | 250,000 pts + $49.10Mixed cabin | 2 | 2 stops | Check this date | ||
| Air Canada Aeroplan | 484,987 pts + $76.21Mixed cabin | 9+ | 2 stops | Check this date | ||
| Air Canada Aeroplan | 484,987 pts + $76.21Mixed cabin | 9+ | 2 stops | 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 |
|---|---|---|---|
| United MileagePlus | 31 of 31 | 100% | |
| Alaska Atmos Rewards | 16 of 31 | 51% | |
| Air Canada Aeroplan | 40 of 43 | 93% | |
| Etihad Guest | 1 of 31 | 3% |
Best months for business class from Ontario, California (ONT) to Singapore (SIN)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 250,000 pts + taxes vary | United MileagePlus | 16 | |
| 250,000 pts + taxes vary | United MileagePlus | 7 | |
| 250,000 pts + taxes vary | United MileagePlus | 7 | |
| 250,000 pts + taxes varyMixed cabin | Alaska Atmos Rewards | 1 |
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 | ||||
|---|---|---|---|---|
| United MileagePlusmiles | 250,000 | 250,000 | 250,000 | 250,000 |
| Alaska Atmos Rewardspoints | 250,000Mixed cabin | 250,000Mixed cabin | 250,000Mixed cabin | 250,000Mixed cabin |
| Air Canada Aeroplanpoints | 484,987Mixed cabin | 484,995 | 484,995 | 485,002 |
| Etihad Guestmiles | — | — | — | 612,250 |
Airlines seen in business class
Airlines that appeared on the award itineraries AwardTool observed, and the programs that showed them.
- American Airlines (AA): Etihad Guest
- Air Canada (AC): Air Canada Aeroplan
- Alaska Airlines (AS): Alaska Atmos Rewards
- JetBlue (B6): Etihad Guest
- EVA Air (BR): United MileagePlus
- Etihad Airways (EY): Etihad Guest
- STARLUX Airlines (JX): Alaska Atmos Rewards
- ANA (NH): United MileagePlus
- Singapore Airlines (SQ): United MileagePlus and Air Canada Aeroplan
- Thai Airways International (TG): Air Canada Aeroplan
- United Airlines (UA): United MileagePlus and Air Canada Aeroplan
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 Ontario, California (ONT) and to Singapore (SIN). One way, in the program's points or miles; taxes are on each route's page.
| Route | Lowest observed | Program | Dates seen |
|---|---|---|---|
| Singapore (SIN) to Ontario (ONT)Return direction | 250,000 miles | United MileagePlus | 16 |
| Ontario (ONT) to Taipei Taoyuan (TPE)Also from ONT | 75,000 pointsNonstop | Alaska Atmos Rewards | 218 |
| Ontario (ONT) to Manila (MNL)Also from ONT | 250,000 miles | United MileagePlus | 83 |
| Ontario (ONT) to Bangkok Suvarnabhumi (BKK)Also from ONT | 139,999 miles | Etihad Guest | 11 |
| Ontario (ONT) to Orlando (MCO)Also from ONT | 43,600 points | Qantas Frequent Flyer | 35 |
| New Delhi (DEL) to Singapore (SIN)Also to SIN | 37,000 miles | Cathay Pacific Asia Miles | 23 |
| Bali (DPS) to Singapore (SIN)Also to SIN | 18,000 AviosNonstop | Qatar Airways Privilege Club | 335 |
| Paris Charles de Gaulle (CDG) to Singapore (SIN)Also to SIN | 75,000 miles | American Airlines AAdvantage | 157 |
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 | — | — |
| Alaska Atmos Rewards | — | 1:1 · ~1 day | — | — | — | — |
| Etihad Guest | — | 1:1 · Instant | 1:1 · ~1 day | — | 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 Ontario, California (ONT) to Singapore (SIN)
What's the lowest business-class award from Ontario, California (ONT) to Singapore (SIN)?
250,000 miles + $5.60 with United MileagePlus. Seen Oct 4, 2026, 05:41 UTC for a Nov 3, 2026 departure. United MileagePlus showed business-class award space on 31 departure dates at any price (newest observation Oct 19, 2026, 01:57 UTC). Search live before transferring points.
Which programs had business-class award space from Ontario, California (ONT) to Singapore (SIN)?
United MileagePlus (31 dates), Alaska Atmos Rewards (16 dates), Air Canada Aeroplan (40 dates) and Etihad Guest (1 date), in the last 30 days.
Is there nonstop business-class award space from Ontario, California (ONT) to Singapore (SIN)?
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 Ontario, California (ONT) to Singapore (SIN)?
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: 250,000 miles with MileagePlus (16 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.