Business-class award flights from Seattle (SEA) to St. Louis (STL)
In the last 30 days AwardTool saw business-class award space on 1 program for SEA→STL. Lowest: 43,600 points + $5.60 with Qantas Frequent Flyer, which showed business-class award space on 293 dates. Nonstop business-class space was seen via Qantas Frequent Flyer.
Prices observed – ; newest observation .
Page regenerated from the Oct 16, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest observed
- 43,600 points + $5.60
- Qantas Frequent Flyer
- Programs with space
- 1 of 4
- programs seen on this route
- Most dates seen
- 293 of 327
- dates checked · Qantas Frequent Flyer
- Nonstop
- Seen
- via 1 program
Compare programs for business class
The lowest one-way business-class award each program showed on SEA→STL, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Qantas Frequent Flyer | 43,600 pts + $5.60 | 1 stopNonstop from 46,000 pts | American Airlines (AA), Alaska Airlines (AS) | 2 | 293 | See dates |
Not seen in business class: American Airlines AAdvantage, Alaska Atmos Rewards and Virgin Australia Velocity.
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) | |
|---|---|---|---|---|---|---|
| Qantas Frequent Flyer | 43,600 pts + $5.60 | 2 | 1 stop | Check this date | ||
| Qantas Frequent Flyer | 43,600 pts + $5.60 | 2 | 1 stop | Check this date | ||
| Qantas Frequent Flyer | 43,600 pts + $5.60 | 2 | 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
Of the 327 departure dates in the next 365 days that AwardTool checked for Qantas Frequent Flyer in the last 30 days, 293 (89%) showed business-class award space. The latest departure with space was .
Nonstop business-class award space
- Qantas Frequent Flyer: nonstop from 46,000 points; nonstop space on 1 date.
Best months for business class from Seattle (SEA) to St. Louis (STL)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 43,600 pts + taxes vary | Qantas Frequent Flyer | 16 | |
| 43,600 pts + taxes vary | Qantas Frequent Flyer | 28 | |
| 43,600 pts + taxes vary | Qantas Frequent Flyer | 27 | |
| 43,600 pts + taxes vary | Qantas Frequent Flyer | 30 | |
| 43,600 pts + taxes vary | Qantas Frequent Flyer | 27 | |
| 43,600 pts + taxes vary | Qantas Frequent Flyer | 23 | |
| 43,600 pts + taxes vary | Qantas Frequent Flyer | 22 | |
| 43,600 pts + taxes vary | Qantas Frequent Flyer | 29 | |
| 43,600 pts + taxes vary | Qantas Frequent Flyer | 27 | |
| 43,600 pts + taxes vary | Qantas Frequent Flyer | 28 | |
| 43,600 pts + taxes vary | Qantas Frequent Flyer | 30 | |
| 43,600 pts + taxes vary | Qantas Frequent Flyer | 6 |
Airlines seen in business class
Airlines that appeared on the award itineraries AwardTool observed, and the programs that showed them.
- American Airlines (AA): Qantas Frequent Flyer
- Alaska Airlines (AS): Qantas Frequent Flyer
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 Seattle (SEA) and to St. Louis (STL). One way, in the program's points or miles; taxes are on each route's page.
| Route | Lowest observed | Program | Dates seen |
|---|---|---|---|
| St. Louis (STL) to Seattle (SEA)Return direction | 43,600 points | Qantas Frequent Flyer | 269 |
| Seattle (SEA) to London Heathrow (LHR)Also from SEA | 47,000 pointsNonstop | Virgin Atlantic Flying Club | 176 |
| Seattle (SEA) to Amsterdam (AMS)Also from SEA | 55,000 points | Alaska Atmos Rewards | 291 |
| Seattle (SEA) to Paris Charles de Gaulle (CDG)Also from SEA | 55,000 points | Alaska Atmos Rewards | 309 |
| Seattle (SEA) to New Delhi (DEL)Also from SEA | 70,000 miles | American Airlines AAdvantage | 312 |
| Boston (BOS) to St. Louis (STL)Also to STL | 18,000 miles | American Airlines AAdvantage | 297 |
| Los Angeles (LAX) to St. Louis (STL)Also to STL | 25,500 miles | American Airlines AAdvantage | 300 |
| Cancun (CUN) to St. Louis (STL)Also to STL | 15,000 pointsNonstop | Alaska Atmos Rewards | 2 |
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| Qantas Frequent Flyer | 1:1 · Instant | — | 1:1 · ~1-2 days | — | 1:1 · Instant | — |
Check current transfer bonuses. Most transfers can't be reversed.
Questions about business-class award flights from Seattle (SEA) to St. Louis (STL)
What's the lowest business-class award from Seattle (SEA) to St. Louis (STL)?
43,600 points + $5.60 with Qantas Frequent Flyer. Seen Oct 16, 2026, 03:39 UTC for an Oct 17, 2026 departure. Qantas Frequent Flyer showed business-class award space on 293 departure dates at any price (newest observation Oct 16, 2026, 03:40 UTC). Search live before transferring points.
Is there nonstop business-class award space from Seattle (SEA) to St. Louis (STL)?
Yes. AwardTool observed nonstop business-class award space via Qantas Frequent Flyer.
Which months had the lowest business-class award prices from Seattle (SEA) to St. Louis (STL)?
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 Jan 2027 departures: 43,600 points with Qantas (30 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.