Alaska Atmos Rewards award flights from Seattle (SEA) to Ontario, California (ONT)
In the last 30 days AwardTool saw Alaska Atmos Rewards award space for SEA→ONT in economy and first class. Lowest economy: 7,500 points + $5.60 (economy space on 330 dates). Lowest first class: 20,000 points + $5.60 (first-class space on 330 dates).
Every airport: Seattle (SEA) to Los Angeles award flights.
Prices observed – ; newest observation .
Page regenerated from the Nov 12, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 7,500 points + $5.60
- economy space on 330 dates
- Lowest first class
- 20,000 points + $5.60
- first-class space on 330 dates
In economy, 7,500 points + $5.60 with Alaska Atmos Rewards was the lowest of the 7 programs with economy award space on this route; the next was 8,500 miles + $5.60 with American Airlines AAdvantage. With Alaska Atmos Rewards, first class started at 20,000 points + $5.60, about 2.7 times the points of its lowest economy award (7,500 points + $5.60).
Atmos award prices by cabin
The lowest one-way Alaska Atmos Rewards award AwardTool observed on SEA→ONT in each cabin, in points plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 7,500 points + $5.60 | Nonstop |  AA AS | 9+ | 330 | See dates | |
| First | 20,000 points + $5.60 | Nonstop | AAAS | 2 | 330 | See dates |
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 Atmos award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 7,500 points + $5.60 | 9+ | Nonstop | Check this date | ||
| Economy | 7,500 points + $5.60 | 9+ | Nonstop | Check this date | ||
| Economy | 7,500 points + $5.60 | 9+ | Nonstop | Check this date | ||
| First | 20,000 points + $5.60 | 2 | Nonstop | Check this date | ||
| First | 20,000 points + $5.60 | 3 | Nonstop | Check this date | ||
| First | 20,000 points + $5.60 | 3 | Nonstop | 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 Atmos award space showed up
Departure dates in the next 365 days that AwardTool checked for Alaska Atmos Rewards in the last 30 days, how many had award space in each cabin at any price, and the latest departure with space.
| Cabin | Dates with space | Share of dates checked | Latest departure with space |
|---|---|---|---|
| Economy | 330 of 330 | 100% | |
| First | 330 of 330 | 100% |
Best months to fly from Seattle (SEA) to Ontario, California (ONT) with Atmos
| Month | Economy | First |
|---|---|---|
| 12,500 points + taxes not reported (19 dates) | 25,000 points + taxes not reported (19 dates) | |
| 7,500 points + $5.60 (31 dates) | 20,000 points + $5.60 (31 dates) | |
| 10,000 points + taxes not reported (31 dates) | 20,000 points + taxes not reported (31 dates) | |
| 10,000 points + taxes not reported (28 dates) | 20,000 points + taxes not reported (28 dates) | |
| 10,000 points + taxes not reported (31 dates) | 20,000 points + taxes not reported (31 dates) | |
| 10,000 points + taxes not reported (30 dates) | 20,000 points + taxes not reported (30 dates) | |
| 10,000 points + taxes not reported (31 dates) | 20,000 points + taxes not reported (31 dates) | |
| 10,000 points + taxes not reported (30 dates) | 20,000 points + taxes not reported (30 dates) | |
| 10,000 points + taxes not reported (31 dates) | 20,000 points + taxes not reported (31 dates) | |
| 10,000 points + taxes not reported (31 dates) | 20,000 points + taxes not reported (31 dates) | |
| 10,000 points + taxes not reported (30 dates) | 20,000 points + taxes not reported (30 dates) | |
| 10,000 points + taxes not reported (7 dates) | 20,000 points + taxes not reported (7 dates) |
A month's taxes are those of an award AwardTool recorded at that month's lowest price for a departure that month. “Taxes not reported” means the data has none for that month; the award still has taxes and fees.
How to get Atmos points
- Bilt Rewards: 1:1 · ~1 day
Check current transfer bonuses. Most transfers can't be reversed.
Atmos vs other programs from Seattle (SEA) to Ontario, California (ONT)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Business | First |
|---|---|---|---|
| Air Canada Aeroplan | 15,000 pts + $33.01 | — | — |
| Alaska Atmos Rewards | 7,500 pts + $5.60Lowest | — | 20,000 pts + $5.60 |
| American Airlines AAdvantage | 8,500 pts + $5.60 | — | 18,500 pts + $11.20Lowest |
| Avianca LifeMiles | 15,000 pts + $5.60 | — | — |
| Delta SkyMiles | 9,100 pts + $5.60 | — | 26,300 pts + $5.60 |
| Qantas Frequent Flyer | 16,100 pts + $5.60 | 31,500 pts + $5.60Lowest | — |
| Virgin Atlantic Flying Club | 11,000 pts + $5.60 | — | 41,500 pts + $5.60 |
Questions about Atmos award flights from Seattle (SEA) to Ontario, California (ONT)
How many points do you need to fly from Seattle (SEA) to Ontario, California (ONT) with Alaska Atmos Rewards?
The lowest one-way Alaska Atmos Rewards awards AwardTool observed in the last 30 days (newest observation Nov 11, 2026): economy 7,500 points + $5.60, with a typical monthly low of 10,000 points (taxes vary) over 12 months and award space on 330 departure dates; first class 20,000 points + $5.60, with monthly lows of 20,000 points in 11 months and 25,000 points in 1 month (taxes vary), and award space on 330 departure dates. Monthly lows varied in economy (7,500 to 12,500 points + taxes vary) and first class (20,000 to 25,000 points + taxes vary), so the award on your dates may cost more. Search live before transferring points.
What's the lowest Atmos award from Seattle (SEA) to Ontario, California (ONT)?
In economy, 7,500 points + $5.60. Seen Nov 11, 2026, 17:40 UTC for a Dec 9, 2026 departure. Alaska Atmos Rewards showed economy award space on 330 departure dates at any price (newest observation Nov 11, 2026, 17:45 UTC). In first class, 20,000 points + $5.60. Seen Nov 11, 2026, 17:40 UTC for a Dec 3, 2026 departure. Alaska Atmos Rewards showed first-class award space on 330 departure dates at any price (newest observation Nov 11, 2026, 17:45 UTC). Search live before transferring points.
Can you book nonstop awards from Seattle (SEA) to Ontario, California (ONT) with Atmos?
Yes. AwardTool observed nonstop Alaska Atmos Rewards award space in first class, and in economy from 7,500 points + $5.60.
Which credit card points can book Atmos awards from Seattle (SEA) to Ontario, California (ONT)?
Bilt Rewards (1:1, ~1 day). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest Atmos award prices from Seattle (SEA) 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 economy award AwardTool observed was for Dec 2026 departures: 7,500 points + $5.60 (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.
When does Alaska Atmos Rewards release award seats for Seattle (SEA) to Ontario, California (ONT)?
Alaska Atmos Rewards publishes a booking window of about 330 days (about 11 months) before departure (AwardTool's program data, reviewed Nov 6, 2026). On this route AwardTool saw Alaska Atmos Rewards award space for departures as late as Oct 7, 2027; seats can open earlier or later, and released seats may already be booked. See Atmos award release dates.