Delta SkyMiles award flights from Philadelphia (PHL) to Seattle (SEA)
In the last 30 days AwardTool saw Delta SkyMiles award space for PHL→SEA in economy and first class. Lowest economy: 13,600 miles + $5.60 (economy space on 318 dates). Lowest first class: 47,300 miles + $5.60 (first-class space on 318 dates).
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
- Lowest economy
- 13,600 miles + $5.60
- economy space on 318 dates
- Lowest first class
- 47,300 miles + $5.60
- first-class space on 318 dates
SkyMiles award prices by cabin
The lowest one-way Delta SkyMiles award AwardTool observed on PHL→SEA in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 13,600 miles + $5.60 | 1 stopNonstop from 15,800 pts | Delta Air Lines (DL) | 9+ | 318 | See dates | |
| First | 47,300 miles + $5.60 | 1 stopNonstop from 50,000 pts | Delta Air Lines (DL) | 8 | 318 | 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 SkyMiles award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 15,800 miles + $5.60 | 9+ | Nonstop | Check this date | ||
| Economy | 15,800 miles + $5.60 | 9+ | Nonstop | Check this date | ||
| Economy | 15,800 miles + $5.60 | 9+ | Nonstop | Check this date | ||
| First | 50,000 miles + $5.60 | 3 | Nonstop | Check this date | ||
| First | 50,000 miles + $5.60 | 3 | Nonstop | Check this date | ||
| First | 50,000 miles + $5.60 | 6 | 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 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 Philadelphia (PHL) to Seattle (SEA) with SkyMiles
| Month | Economy | First |
|---|---|---|
| 17,700 (16 dates) | 52,300 (16 dates) | |
| 15,800 (30 dates) | 50,000 (30 dates) | |
| 13,600 (31 dates) | 50,000 (31 dates) | |
| 15,800 (31 dates) | 50,000 (31 dates) | |
| 13,600 (28 dates) | 47,300 (28 dates) | |
| 15,800 (31 dates) | 50,000 (31 dates) | |
| 15,900 (30 dates) | 50,100 (30 dates) | |
| 15,900 (31 dates) | 50,100 (31 dates) | |
| 15,900 (30 dates) | 50,100 (30 dates) | |
| 15,900 (31 dates) | 50,100 (31 dates) | |
| 15,900 (29 dates) | 50,100 (29 dates) |
How to get SkyMiles
- American Express Membership Rewards: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
SkyMiles vs other programs from Philadelphia (PHL) to Seattle (SEA)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Business | First |
|---|---|---|---|
| Air France/KLM Flying Blue | 17,500 pts + $36.46 | — | — |
| Alaska Atmos Rewards | 12,500 pts + $5.60 | — | 30,000 pts + $5.60 |
| American Airlines AAdvantage | 12,500 pts + $5.60Lowest | — | 25,000 pts + $5.60Lowest |
| Avianca LifeMiles | 12,500 pts + $58.00 | — | — |
| Delta SkyMiles | 13,600 pts + $5.60 | — | 47,300 pts + $5.60 |
| Etihad Guest | 28,000 pts + $34.30 | 48,000 pts + $57.60 | — |
| JetBlue TrueBlue | 24,400 pts + $11.20 | — | — |
| Qantas Frequent Flyer | 20,700 pts + $5.60 | 43,600 pts + $5.60Lowest | — |
| United MileagePlus | 15,000 pts + $5.60 | — | 30,000 pts + $5.60 |
| Virgin Atlantic Flying Club | 22,000 pts + $5.60 | — | 101,000 pts + $11.20 |
| Virgin Australia Velocity | 19,000 pts + $9.53 | — | — |
Questions about SkyMiles award flights from Philadelphia (PHL) to Seattle (SEA)
What's the lowest SkyMiles award from Philadelphia (PHL) to Seattle (SEA)?
In economy, 13,600 miles + $5.60. Delta SkyMiles showed economy award space on 318 departure dates (newest observation Oct 15, 2026, 22:44 UTC). In first class, 47,300 miles + $5.60. Delta SkyMiles showed first-class award space on 318 departure dates (newest observation Oct 15, 2026, 22:44 UTC). Search live before transferring points.
Can you book nonstop awards from Philadelphia (PHL) to Seattle (SEA) with SkyMiles?
Yes. AwardTool observed nonstop Delta SkyMiles award space in first class, and in economy from 15,800 miles.
Which credit card points can book SkyMiles awards from Philadelphia (PHL) to Seattle (SEA)?
American Express Membership Rewards (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest SkyMiles award prices from Philadelphia (PHL) 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: 13,600 miles (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.