Delta SkyMiles award flights from Seattle (SEA) to Boston (BOS)
In the last 30 days AwardTool saw Delta SkyMiles award space for SEA→BOS in economy and first. Lowest economy: 15,400 miles + $5.60 (economy space on 329 dates). Lowest first: 61,600 miles + $5.60 (first space on 329 dates).
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
- Lowest economy
- 15,400 miles + $5.60
- economy space on 329 dates
- Lowest first
- 61,600 miles + $5.60
- first space on 329 dates
SkyMiles award prices by cabin
The lowest one-way Delta SkyMiles award AwardTool observed on SEA→BOS in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 15,400 miles + $5.60 | Nonstop | Delta Air Lines (DL) | 9+ | 329 | See dates | |
| First | 61,600 miles + $5.60 | Nonstop | Delta Air Lines (DL) | 9+ | 329 | 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 | 15,400 miles + $5.60 | 9+ | Nonstop | Check this date | ||
| Economy | 15,400 miles + $5.60 | 9+ | Nonstop | Check this date | ||
| Economy | 15,400 miles + $5.60 | 9+ | Nonstop | Check this date | ||
| First | 61,600 miles + $5.60 | 9+ | Nonstop | Check this date | ||
| First | 61,600 miles + $5.60 | 9+ | Nonstop | Check this date | ||
| First | 61,600 miles + $5.60 | 9+ | 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 SEA to BOS with SkyMiles
| Month | Economy | First |
|---|---|---|
| 19,500 (16 dates) | 76,000 (16 dates) | |
| 15,400 (30 dates) | 61,600 (30 dates) | |
| 15,400 (31 dates) | 61,600 (31 dates) | |
| 16,200 (31 dates) | 71,900 (31 dates) | |
| 16,200 (28 dates) | 71,900 (28 dates) | |
| 16,200 (31 dates) | 71,900 (31 dates) | |
| 16,200 (30 dates) | 71,900 (30 dates) | |
| 16,200 (31 dates) | 71,900 (31 dates) | |
| 16,200 (30 dates) | 71,900 (30 dates) | |
| 16,200 (31 dates) | 71,900 (31 dates) | |
| 16,200 (31 dates) | 71,900 (31 dates) | |
| 16,200 (9 dates) | 71,900 (9 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 on SEA–BOS
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 17,500 pts + $32.96 | — | — | 30,000 pts + $32.96 |
| Air France/KLM Flying Blue | 18,500 pts + $31.17 | — | 51,500 pts + $36.77 | — |
| Alaska Atmos Rewards | 12,500 pts + $5.60Lowest | — | — | 30,000 pts + $5.60 |
| American Airlines AAdvantage | 12,500 pts + $5.60 | 22,500 pts + $5.60Lowest | 25,000 pts + $5.60Lowest | 25,000 pts + $5.60Lowest |
| Avianca LifeMiles | 15,000 pts + $58.00 | — | — | — |
| Delta SkyMiles | 15,400 pts + $5.60 | — | — | 61,600 pts + $5.60 |
| Etihad Guest | 28,000 pts + $34.30 | — | 48,000 pts + $57.60 | — |
| JetBlue True Blue | 15,400 pts + $5.60 | — | — | — |
| Qantas Frequent Flyer | 23,300 pts + $5.60 | 64,400 pts + $5.60 | 52,800 pts + $5.60 | 118,700 pts + $5.60 |
| Qatar Airways Privilege Club | 16,000 pts + taxes not reported | — | 43,000 pts + taxes not reported | — |
| United MileagePlus | 15,000 pts + $5.60 | 100,000 pts + $5.60 | 100,000 pts + $5.60 | 58,700 pts + $5.60 |
| Virgin Atlantic Flying Club | 22,000 pts + $5.60 | — | — | 70,000 pts + $5.60 |
| Virgin Australia Velocity | 23,500 pts + $9.53 | — | 58,000 pts + $89.66 | — |
Questions about SkyMiles award flights from SEA to BOS
What's the lowest SkyMiles award from Seattle to Boston?
In economy, 15,400 miles + $5.60. Delta SkyMiles showed economy award space on 329 departure dates (newest observation Oct 15, 2026, 16:28 UTC). In first, 61,600 miles + $5.60. Delta SkyMiles showed first award space on 329 departure dates (newest observation Oct 15, 2026, 16:28 UTC). Search live before transferring points.
Can you book nonstop SEA to BOS awards with SkyMiles?
Yes. AwardTool observed nonstop Delta SkyMiles award space in economy and first, from 15,400 miles in economy.
Which credit card points transfer to SkyMiles?
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 SEA to BOS?
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: 15,400 miles (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.