United MileagePlus award flights from Atlanta (ATL) to Seattle (SEA)
In the last 30 days AwardTool saw United MileagePlus award space for ATL→SEA in economy, premium economy, business class and first class. Lowest economy: 15,000 miles + $5.60 (economy space on 317 dates). Lowest business class: 100,000 miles + $5.60 (business-class space on 212 dates). Lowest first class: 58,700 miles + $5.60 (first-class space on 317 dates).
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
- Lowest economy
- 15,000 miles + $5.60
- economy space on 317 dates
- Lowest business class
- 100,000 miles + $5.60
- business-class space on 212 dates
- Lowest first class
- 58,700 miles + $5.60
- first-class space on 317 dates
- Lowest premium economy
- 100,000 miles + $5.60
- premium economy space on 142 dates
MileagePlus award prices by cabin
The lowest one-way United MileagePlus award AwardTool observed on ATL→SEA in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 15,000 miles + $5.60 | 1 stop | JetBlue (B6), United Airlines (UA) | 9+ | 317 | See dates | |
| Premium Economy | 100,000 miles + $5.60 | 2 stops | United Airlines (UA) | 9+ | 142 | See dates | |
| Business | 100,000 miles + $5.60 | 2 stops | United Airlines (UA) | 2 | 212 | See dates | |
| First | 58,700 miles + $5.60 | 1 stop | JetBlue (B6), United Airlines (UA) | 7 | 317 | 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 MileagePlus award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 15,000 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Economy | 15,000 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Economy | 15,000 miles + $5.60 | 2 | 1 stop | Check this date | ||
| Premium Economy | 100,000 miles + $5.60 | 9+ | 2 stops | Check this date | ||
| Business | 100,000 miles + $5.60 | 5 | 2 stops | Check this date | ||
| First | 58,700 miles + $5.60 | 7 | 1 stop | Check this date | ||
| First | 58,700 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| First | 58,700 miles + $5.60 | 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 at the time shown. 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.
Best months to fly from Atlanta (ATL) to Seattle (SEA) with MileagePlus
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 15,000 (16 dates) | 100,000 (13 dates) | 100,000 (9 dates) | 58,700 (16 dates) | |
| 15,000 (30 dates) | 100,000 (21 dates) | 100,000 (13 dates) | 58,700 (30 dates) | |
| 15,000 (31 dates) | 100,000 (19 dates) | 100,000 (15 dates) | 58,700 (31 dates) | |
| 15,000 (31 dates) | 100,000 (26 dates) | 100,000 (28 dates) | 58,700 (31 dates) | |
| 15,000 (28 dates) | 100,000 (28 dates) | 100,000 (24 dates) | 58,700 (28 dates) | |
| 15,000 (31 dates) | 100,000 (28 dates) | 100,000 (23 dates) | 58,700 (31 dates) | |
| 15,000 (30 dates) | 100,000 (4 dates) | 100,000 (13 dates) | 65,900 (30 dates) | |
| 15,000 (31 dates) | 100,000 (2 dates) | 100,000 (11 dates) | 65,900 (31 dates) | |
| 15,000 (30 dates) | — | 100,000 (22 dates) | 65,900 (30 dates) | |
| 15,000 (31 dates) | — | 100,000 (30 dates) | 65,900 (31 dates) | |
| 15,000 (28 dates) | 100,000 (1 date) | 100,000 (24 dates) | 65,900 (28 dates) |
How to get MileagePlus miles
- Bilt Rewards: 1:1 · Instant
- Chase Ultimate Rewards: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
MileagePlus vs other programs from Atlanta (ATL) to Seattle (SEA)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air France/KLM Flying Blue | 17,000 pts + $20.68 | — | — | — |
| Alaska Atmos Rewards | 12,500 pts + $5.60 | — | — | 35,000 pts + $11.20 |
| American Airlines AAdvantage | 10,000 pts + $5.60Lowest | — | — | 25,000 pts + $5.60Lowest |
| Delta SkyMiles | 20,700 pts + $5.60 | — | — | 48,600 pts + $5.60 |
| Etihad Guest | 28,000 pts + $44.10 | — | 48,000 pts + $57.60 | — |
| JetBlue TrueBlue | 23,600 pts + $5.60 | — | — | — |
| Qantas Frequent Flyer | 20,700 pts + $5.60 | — | 43,600 pts + $5.60Lowest | — |
| United MileagePlus | 15,000 pts + $5.60 | 100,000 pts + $5.60Lowest | 100,000 pts + $5.60 | 58,700 pts + $5.60 |
| Virgin Atlantic Flying Club | 22,000 pts + $5.60 | — | — | — |
| Virgin Australia Velocity | 19,000 pts + $13.77 | — | 58,000 pts + $111.59 | — |
Questions about MileagePlus award flights from Atlanta (ATL) to Seattle (SEA)
What's the lowest MileagePlus award from Atlanta (ATL) to Seattle (SEA)?
In economy, 15,000 miles + $5.60. United MileagePlus showed economy award space on 317 departure dates (newest observation Oct 15, 2026, 22:44 UTC). In business class, 100,000 miles + $5.60. United MileagePlus showed business-class award space on 212 departure dates (newest observation Oct 15, 2026, 01:20 UTC). Search live before transferring points.
Can you book nonstop awards from Atlanta (ATL) to Seattle (SEA) with MileagePlus?
AwardTool hasn't observed nonstop United MileagePlus award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which credit card points can book MileagePlus awards from Atlanta (ATL) to Seattle (SEA)?
Bilt Rewards (1:1, Instant) and Chase Ultimate Rewards (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest MileagePlus award prices from Atlanta (ATL) 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 economy award AwardTool observed was for Dec 2026 departures: 15,000 miles (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.