Delta SkyMiles award flights from Boise (BOI) to Seattle (SEA)
In the last 30 days AwardTool saw Delta SkyMiles award space for BOI→SEA in economy and first class. Lowest economy: 4,600 miles + $5.60 (economy space on 322 dates). Lowest first class: 13,700 miles + $5.60 (first-class space on 322 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 16, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 4,600 miles + $5.60
- economy space on 322 dates
- Lowest first class
- 13,700 miles + $5.60
- first-class space on 322 dates
SkyMiles award prices by cabin
The lowest one-way Delta SkyMiles award AwardTool observed on BOI→SEA in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 4,600 miles + $5.60 | Nonstop | Delta Air Lines (DL) | 9+ | 322 | See dates | |
| First | 13,700 miles + $5.60 | Nonstop | Delta Air Lines (DL) | 9+ | 322 | 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 | 4,600 miles + $5.60 | 9+ | Nonstop | Check this date | ||
| Economy | 4,600 miles + $5.60 | 9+ | Nonstop | Check this date | ||
| Economy | 4,600 miles + $5.60 | 9+ | Nonstop | Check this date | ||
| First | 13,700 miles + $5.60 | 9+ | Nonstop | Check this date | ||
| First | 13,700 miles + $5.60 | 9+ | Nonstop | Check this date | ||
| First | 13,700 miles + $5.60 | 4 | 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 SkyMiles award space showed up
Departure dates in the next 365 days that AwardTool checked for Delta SkyMiles 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 | 322 of 322 | 100% | |
| First | 322 of 322 | 100% |
Best months to fly from Boise (BOI) to Seattle (SEA) with SkyMiles
| Month | Economy | First |
|---|---|---|
| 4,600 (16 dates) | 13,700 (16 dates) | |
| 4,600 (30 dates) | 13,700 (30 dates) | |
| 4,600 (31 dates) | 13,700 (31 dates) | |
| 4,600 (31 dates) | 13,700 (31 dates) | |
| 4,600 (28 dates) | 13,700 (28 dates) | |
| 4,600 (31 dates) | 13,700 (31 dates) | |
| 15,600 (30 dates) | 26,300 (30 dates) | |
| 15,600 (31 dates) | 26,300 (31 dates) | |
| 15,600 (30 dates) | 26,300 (30 dates) | |
| 15,600 (31 dates) | 26,300 (31 dates) | |
| 15,600 (31 dates) | 26,300 (31 dates) | |
| 15,600 (2 dates) | 26,300 (2 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 Boise (BOI) to Seattle (SEA)
Lowest one-way award per program and cabin on this route.
| Program | Economy | First |
|---|---|---|
| Air Canada Aeroplan | 15,000 pts + $32.94 | — |
| Alaska Atmos Rewards | 5,000 pts + $5.60 | 12,500 pts + $5.60Lowest |
| Delta SkyMiles | 4,600 pts + $5.60Lowest | 13,700 pts + $5.60 |
| Virgin Atlantic Flying Club | 7,500 pts + $5.60 | 21,000 pts + $5.60 |
| Virgin Australia Velocity | 19,000 pts + $13.77 | — |
Questions about SkyMiles award flights from Boise (BOI) to Seattle (SEA)
How many miles do you need to fly from Boise (BOI) to Seattle (SEA) with Delta SkyMiles?
The lowest one-way Delta SkyMiles awards AwardTool observed in the last 30 days (newest observation Oct 15, 2026): economy 4,600 miles + $5.60, with monthly lows of 4,600 miles in 6 months and 15,600 miles in 6 months, and award space on 322 departure dates; first class 13,700 miles + $5.60, with monthly lows of 13,700 miles in 6 months and 26,300 miles in 6 months, and award space on 322 departure dates. Monthly lows varied in economy (4,600 to 15,600 miles) and first class (13,700 to 26,300 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest SkyMiles award from Boise (BOI) to Seattle (SEA)?
In economy, 4,600 miles + $5.60. Seen Oct 8, 2026, 02:23 UTC for an Oct 29, 2026 departure. Delta SkyMiles showed economy award space on 322 departure dates at any price (newest observation Oct 15, 2026, 00:40 UTC). In first class, 13,700 miles + $5.60. Seen Oct 8, 2026, 02:23 UTC for an Oct 29, 2026 departure. Delta SkyMiles showed first-class award space on 322 departure dates at any price (newest observation Oct 15, 2026, 00:40 UTC). Search live before transferring points.
Can you book nonstop awards from Boise (BOI) to Seattle (SEA) with SkyMiles?
Yes. AwardTool observed nonstop Delta SkyMiles award space in first class, and in economy from 4,600 miles.
Which credit card points can book SkyMiles awards from Boise (BOI) 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 Boise (BOI) 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: 4,600 miles (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.