Delta SkyMiles award flights from Houston (IAH) to Seattle (SEA)
In the last 30 days AwardTool saw Delta SkyMiles award space for IAH→SEA in economy and first. Lowest economy: 16,000 miles + $5.60 (economy space on 307 dates). Lowest first: 50,500 miles + $5.60 (first space on 307 dates).
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
- Lowest economy
- 16,000 miles + $5.60
- economy space on 307 dates
- Lowest first
- 50,500 miles + $5.60
- first space on 307 dates
SkyMiles award prices by cabin
The lowest one-way Delta SkyMiles award AwardTool observed on IAH→SEA in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 16,000 miles + $5.60 | 1 stop | Delta Air Lines (DL) | 1 | 307 | See dates | |
| First | 50,500 miles + $5.60 | 1 stop | Delta Air Lines (DL) | 8 | 307 | 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 | 16,000 miles + $5.60 | 1 | 1 stop | Check this date | ||
| Economy | 16,000 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Economy | 16,000 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| First | 50,500 miles + $5.60 | 8 | 1 stop | Check this date | ||
| First | 53,300 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| First | 55,100 miles + $5.60 | 1 | 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 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 IAH to SEA with SkyMiles
| Month | Economy | First |
|---|---|---|
| 16,000 (16 dates) | 55,100 (16 dates) | |
| 16,000 (30 dates) | 50,500 (30 dates) | |
| 16,000 (31 dates) | 50,500 (31 dates) | |
| 16,000 (31 dates) | 51,400 (31 dates) | |
| 16,000 (28 dates) | 55,100 (28 dates) | |
| 16,000 (31 dates) | 55,100 (31 dates) | |
| 23,000 (30 dates) | 60,800 (30 dates) | |
| 23,000 (31 dates) | 60,800 (31 dates) | |
| 23,000 (30 dates) | 60,800 (30 dates) | |
| 23,000 (31 dates) | 60,800 (31 dates) | |
| 23,000 (18 dates) | 60,800 (18 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 IAH–SEA
Lowest one-way award per program and cabin on this route.
| Program | Economy | Business | First |
|---|---|---|---|
| Air Canada Aeroplan | 17,500 pts + $32.94 | — | 30,000 pts + $32.98 |
| Air France/KLM Flying Blue | 20,500 pts + $30.22 | 60,000 pts + $48.79 | — |
| Alaska Atmos Rewards | 10,000 pts + $5.60Lowest | — | 30,000 pts + $5.60 |
| American Airlines AAdvantage | 10,000 pts + $5.60 | — | 25,000 pts + $5.60Lowest |
| Avianca LifeMiles | 15,000 pts + $5.60 | 30,000 pts + $5.60Lowest | — |
| Delta SkyMiles | 16,000 pts + $5.60 | — | 50,500 pts + $5.60 |
| Etihad Guest | 23,000 pts + $40.73 | 40,000 pts + $52.20 | — |
| Qantas Frequent Flyer | 20,700 pts + $5.60 | 43,600 pts + $5.60 | — |
| United MileagePlus | 15,000 pts + $5.60 | — | 30,000 pts + $5.60 |
| Virgin Atlantic Flying Club | 27,500 pts + $5.60 | — | 101,000 pts + $11.20 |
| Virgin Australia Velocity | 19,000 pts + $9.53 | — | 37,500 pts + $9.53 |
Questions about SkyMiles award flights from IAH to SEA
What's the lowest SkyMiles award from Houston to Seattle?
In economy, 16,000 miles + $5.60. Delta SkyMiles showed economy award space on 307 departure dates (newest observation Oct 16, 2026, 00:57 UTC). In first, 50,500 miles + $5.60. Delta SkyMiles showed first award space on 307 departure dates (newest observation Oct 16, 2026, 00:57 UTC). Search live before transferring points.
Can you book nonstop IAH to SEA awards with SkyMiles?
AwardTool hasn't observed nonstop Delta SkyMiles award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
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 IAH to 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: 16,000 miles (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.