Business-class award flights from Sapporo (CTS) to Seattle (SEA)
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In the last 30 days AwardTool saw business-class award space on 2 programs for CTS→SEA. Lowest: 250,000 miles + $65.73 with United MileagePlus, which showed business-class award space on 20 dates. A mixed-cabin itinerary, with part of the trip in a lower cabin, was seen from 172,793 points + $140.70 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
- 250,000 miles + $65.73
- United MileagePlus
- Programs with space
- 2 of 4
- programs seen on this route
- Most dates seen
- 20 of 23
- 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 CTS→SEA, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Air Canada AeroplanLowest, mixed cabin | 172,793 pts + $140.70Mixed cabin | 2 stops | Air Canada (AC), ANA (NH), United Airlines (UA) | 1 | 12 | See dates | |
| United MileagePlus | 250,000 pts + $65.73 | 1 stop | ANA (NH), United Airlines (UA) | 9+ | 20 | See dates |
Not seen in business class: American Airlines AAdvantage and Air France/KLM Flying Blue.
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 | 212,877 pts + $141.50 | 2 | 2 stops | Check this date | ||
| United MileagePlus | 250,000 pts + $68.63 | 9+ | 2 stops | Check this date | ||
| United MileagePlus | 250,000 pts + $69.09 | 8 | 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 |
|---|---|---|---|
| Air Canada Aeroplan | 12 of 22 | 54% | |
| United MileagePlus | 20 of 23 | 86% |
Best months for business class from Sapporo (CTS) to Seattle (SEA)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 250,000 pts + taxes vary | United MileagePlus | 1 | |
| 250,000 pts + taxes vary | United MileagePlus | 1 | |
| 192,583 pts + taxes vary | Air Canada Aeroplan | 4 | |
| 204,128 pts + taxes vary | Air Canada Aeroplan | 4 | |
| 172,793 pts + taxes varyMixed cabin | Air Canada Aeroplan | 3 | |
| 221,368 pts + taxes vary | Air Canada Aeroplan | 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 | ||||||
|---|---|---|---|---|---|---|
| Air Canada Aeroplanpoints | — | — | 192,583 | 204,128 | 172,793Mixed cabin | 221,368 |
| United MileagePlusmiles | 250,000 | 250,000 | 250,000 | 250,000 | 250,000 | 250,000 |
Airlines seen in business class
Airlines that appeared on the award itineraries AwardTool observed, and the programs that showed them.
- Air Canada (AC): Air Canada Aeroplan
- ANA (NH): Air Canada Aeroplan and 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 Sapporo (CTS) and to Seattle (SEA). One way, in the program's points or miles; taxes are on each route's page.
| Route | Lowest observed | Program | Dates seen |
|---|---|---|---|
| Seattle (SEA) to Sapporo (CTS)Return direction | 213,300 miles | United MileagePlus | 51 |
| Sapporo (CTS) to Taipei Taoyuan (TPE)Also from CTS | 30,000 points | Air Canada Aeroplan | 195 |
| Sapporo (CTS) to Tokyo Haneda (HND)Also from CTS | 15,000 milesNonstop | American Airlines AAdvantage | 297 |
| Sapporo (CTS) to Osaka Itami (ITM)Also from CTS | 15,000 milesNonstop | American Airlines AAdvantage | 271 |
| Sapporo (CTS) to Hong Kong (HKG)Also from CTS | 30,000 miles | American Airlines AAdvantage | 22 |
| London Heathrow (LHR) to Seattle (SEA)Also to SEA | 41,845 miles | Lufthansa Miles & More | 199 |
| Paris Charles de Gaulle (CDG) to Seattle (SEA)Also to SEA | 55,000 points | Alaska Atmos Rewards | 307 |
| Amsterdam (AMS) to Seattle (SEA)Also to SEA | 55,000 points | Alaska Atmos Rewards | 323 |
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 | — | — |
| 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 Sapporo (CTS) to Seattle (SEA)
What's the lowest business-class award from Sapporo (CTS) to Seattle (SEA)?
250,000 miles + $65.73 with United MileagePlus. Seen Oct 13, 2026, 16:53 UTC for a Dec 15, 2026 departure. United MileagePlus showed business-class award space on 20 departure dates at any price (newest observation Oct 18, 2026, 08:14 UTC). A mixed-cabin itinerary, with part of the trip in a lower cabin, was seen from 172,793 points + $140.70 with Air Canada Aeroplan. Search live before transferring points.
Which programs had business-class award space from Sapporo (CTS) to Seattle (SEA)?
Air Canada Aeroplan (12 dates) and United MileagePlus (20 dates), in the last 30 days.
Is there nonstop business-class award space from Sapporo (CTS) to Seattle (SEA)?
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 Sapporo (CTS) to Seattle (SEA)?
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 Dec 2026 departures: 192,583 points with Aeroplan (4 dates). A mixed-cabin itinerary was seen for Feb 2027 departures from 172,793 points with Aeroplan. The month table shows every lowest price, including those. Based on dates we observed, not a forecast.