Economy award flights from Seattle (SEA) to Washington Dulles (IAD)
In the last 30 days AwardTool saw economy award space on 8 programs for SEA→IAD. Lowest: 10,000 miles + $5.60 with American Airlines AAdvantage, which showed economy award space on 321 dates. Nonstop economy space was seen via American Airlines AAdvantage, Alaska Atmos Rewards, Delta SkyMiles and 5 other programs.
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
- Lowest observed
- 10,000 pts + $5.60
- American Airlines AAdvantage
- Programs with space
- 8 of 8
- programs seen on this route
- Most dates seen
- 329
- Alaska Atmos Rewards
- Nonstop
- Seen
- from 12,500 pts + taxes not reported
Compare programs for economy
The lowest one-way economy award each program showed on SEA→IAD, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 10,000 pts + $5.60 | 1 stopNonstop from 12,500 pts | American Airlines (AA), Alaska Airlines (AS) | — | 321 | See dates | |
| Alaska Atmos Rewards | 12,500 pts + $5.60 | Nonstop | American Airlines (AA), Alaska Airlines (AS) | 9+ | 329 | See dates | |
| Delta SkyMiles | 14,300 pts + $5.60 | Nonstop | Delta Air Lines (DL) | 9+ | 313 | See dates | |
| United MileagePlus | 15,000 pts + $5.60 | Nonstop | United Airlines (UA) | 9+ | 323 | See dates | |
| Air Canada Aeroplan | 17,500 pts + $32.96 | Nonstop | United Airlines (UA) | 9+ | 236 | See dates | |
| Virgin Australia Velocity | 19,000 pts + $9.53 | Nonstop | United Airlines (UA) | 9+ | 222 | See dates | |
| Qantas Frequent Flyer | 20,700 pts + $5.60 | 1 stopNonstop from 23,000 pts | American Airlines (AA), Alaska Airlines (AS) | 1 | 281 | See dates | |
| Virgin Atlantic Flying Club | 22,000 pts + $5.60 | Nonstop | Delta Air Lines (DL) | 1 | 189 | 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 economy award examples
| Departure | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| American Airlines AAdvantage | 10,000 pts + $5.60 | — | 1 stop | Check this date | ||
| Alaska Atmos Rewards | 12,500 pts + $5.60 | 9+ | Nonstop | Check this date | ||
| Delta SkyMiles | 14,300 pts + $5.60 | 9+ | Nonstop | Check this date | ||
| United MileagePlus | 15,000 pts + $5.60 | 9+ | Nonstop | Check this date | ||
| Air Canada Aeroplan | 17,500 pts + $32.96 | 9+ | Nonstop | Check this date | ||
| Virgin Australia Velocity | 19,000 pts + $9.53 | 9+ | Nonstop | Check this date | ||
| Qantas Frequent Flyer | 20,700 pts + $5.60 | 1 | 1 stop | Check this date | ||
| Virgin Atlantic Flying Club | 22,000 pts + $5.60 | 1 | 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.
Nonstop economy award space
- American Airlines AAdvantage: nonstop from 12,500 miles; nonstop space on 321 dates.
- Alaska Atmos Rewards: nonstop from 12,500 points; nonstop space on 329 dates.
- Delta SkyMiles: nonstop from 14,300 miles; nonstop space on 309 dates.
- United MileagePlus: nonstop from 15,000 miles; nonstop space on 323 dates.
- Air Canada Aeroplan: nonstop from 17,500 points; nonstop space on 127 dates.
- Virgin Australia Velocity: nonstop from 19,000 points; nonstop space on 123 dates.
- Qantas Frequent Flyer: nonstop from 23,000 points; nonstop space on 80 dates.
- Virgin Atlantic Flying Club: nonstop from 22,000 points; nonstop space on 154 dates.
Best months for economy from SEA to IAD
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 11,000 pts + taxes not reported | American Airlines AAdvantage | 16 | |
| 10,000 pts + taxes not reported | American Airlines AAdvantage | 30 | |
| 10,000 pts + taxes not reported | American Airlines AAdvantage | 31 | |
| 10,000 pts + taxes not reported | American Airlines AAdvantage | 26 | |
| 10,000 pts + taxes not reported | American Airlines AAdvantage | 28 | |
| 10,000 pts + taxes not reported | American Airlines AAdvantage | 28 | |
| 10,000 pts + taxes not reported | American Airlines AAdvantage | 30 | |
| 10,000 pts + taxes not reported | American Airlines AAdvantage | 31 | |
| 10,000 pts + taxes not reported | American Airlines AAdvantage | 30 | |
| 10,000 pts + taxes not reported | American Airlines AAdvantage | 31 | |
| 10,000 pts + taxes not reported | American Airlines AAdvantage | 31 | |
| 10,000 pts + taxes not reported | American Airlines AAdvantage | 9 |
Airlines seen in economy
Airlines that appeared on the award itineraries AwardTool observed, and the programs that showed them.
- American Airlines (AA): American Airlines AAdvantage, Alaska Atmos Rewards and Qantas Frequent Flyer
- Alaska Airlines (AS): American Airlines AAdvantage, Alaska Atmos Rewards and Qantas Frequent Flyer
- Delta Air Lines (DL): Delta SkyMiles and Virgin Atlantic Flying Club
- United Airlines (UA): United MileagePlus, Air Canada Aeroplan and Virgin Australia Velocity
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| Air Canada Aeroplan | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | — | — |
| Alaska Atmos Rewards | — | 1:1 · ~1 day | — | — | — | — |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
| Delta SkyMiles | 1:1 · Instant | — | — | — | — | — |
| Qantas Frequent Flyer | 1:1 · Instant | — | 1:1 · ~1-2 days | — | 1:1 · Instant | — |
| United MileagePlus | — | 1:1 · Instant | — | 1:1 · Instant | — | — |
| Virgin Atlantic Flying Club | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant |
Check current transfer bonuses. Most transfers can't be reversed. No bank transfers to Virgin Australia Velocity.
Questions about economy award flights from SEA to IAD
What's the lowest economy award from Seattle to Washington Dulles?
10,000 miles + $5.60 with American Airlines AAdvantage. American Airlines AAdvantage showed economy award space on 321 departure dates (newest observation Oct 15, 2026, 23:43 UTC). Search live before transferring points.
Which programs had economy award space on SEA→IAD?
American Airlines AAdvantage (321 dates), Alaska Atmos Rewards (329 dates), Delta SkyMiles (313 dates), United MileagePlus (323 dates), Air Canada Aeroplan (236 dates), Virgin Australia Velocity (222 dates), Qantas Frequent Flyer (281 dates) and Virgin Atlantic Flying Club (189 dates), in the last 30 days.
Is there nonstop economy award space from SEA to IAD?
Yes. AwardTool observed nonstop economy award space via American Airlines AAdvantage, Alaska Atmos Rewards, Delta SkyMiles, United MileagePlus, Air Canada Aeroplan, Virgin Australia Velocity, Qantas Frequent Flyer and Virgin Atlantic Flying Club. The lowest nonstop award was 12,500 points with Alaska Atmos Rewards, which showed nonstop economy space on 329 dates.
Which months had the lowest economy award prices from SEA to IAD?
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: 10,000 miles with AAdvantage (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.