Award flights from Seattle (SEA) to Washington Dulles (IAD)
In the last 30 days AwardTool saw award space on 8 programs for SEA→IAD. Lowest economy: 10,000 miles + $5.60 (American Airlines AAdvantage). Lowest business class: 43,600 points + $5.60 (Qantas Frequent Flyer). Lowest first class: 25,000 miles + $5.60 (American Airlines AAdvantage).
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
Seattle (SEA) to Washington Dulles (IAD) at a glance
- From
- Seattle-Tacoma International, Seattle, Washington, United States (SEA)
- To
- Washington Dulles International, Washington, D.C., United States (IAD)
- Programs with award space seen
- 8 of 8 programs tracked on this route
- Nonstop award space seen
- Yes, in economy, business class and first class, via American Airlines AAdvantage, Air Canada Aeroplan, Alaska Atmos Rewards, Delta SkyMiles, Qantas Frequent Flyer, United MileagePlus, Virgin Australia Velocity and Virgin Atlantic Flying Club
- Airlines seen on these awards
- American Airlines (AA), Alaska Airlines (AS), Delta Air Lines (DL), United Airlines (UA)
- Departures with open awards
- Oct 2026 to Sep 2027
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to Washington Dulles (IAD)
Compare programs by cabin
The lowest one-way award each program showed in each cabin, sorted by points.
Economy
| 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 |
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Qantas Frequent Flyer | 43,600 pts + $5.60 | 1 stopNonstop from 46,000 pts | American Airlines (AA), Alaska Airlines (AS) | 1 | 302 | See dates |
Not seen in business class: American Airlines AAdvantage, Air Canada Aeroplan, Alaska Atmos Rewards, Delta SkyMiles, United MileagePlus, Virgin Australia Velocity and Virgin Atlantic Flying Club.
First Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 25,000 pts + $5.60 | Nonstop | American Airlines (AA), Alaska Airlines (AS) | 1 | 321 | See dates | |
| Alaska Atmos Rewards | 30,000 pts + $5.60 | Nonstop | American Airlines (AA), Alaska Airlines (AS) | 1 | 329 | See dates | |
| Air Canada Aeroplan | 30,000 pts + $32.98 | 1 stopMixed cabin | United Airlines (UA) | 1 | 3 | See dates | |
| Virgin Australia Velocity | 51,500 pts + $13.77 | 1 stop | United Airlines (UA) | 1 | 1 | See dates | |
| Delta SkyMiles | 52,800 pts + $5.60 | Nonstop | Delta Air Lines (DL) | 9+ | 313 | See dates | |
| United MileagePlus | 55,600 pts + $5.60 | Nonstop | United Airlines (UA) | 9+ | 323 | See dates | |
| Virgin Atlantic Flying Club | 101,000 pts + $11.20 | 1 stop | Delta Air Lines (DL) | 1 | 13 | See dates |
Not seen in first class: Qantas Frequent Flyer.
Premium economy: not seen in the last 30 days.
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 award examples
| Departure | Cabin | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|---|
| Economy | American Airlines AAdvantage | 10,000 pts + $5.60 | — | 1 stop | Check this date | ||
| Economy | Alaska Atmos Rewards | 12,500 pts + $5.60 | 9+ | Nonstop | Check this date | ||
| Business | Qantas Frequent Flyer | 43,600 pts + $5.60 | 1 | 1 stop | Check this date | ||
| First | American Airlines AAdvantage | 25,000 pts + $5.60 | 3 | 1 stop | Check this date | ||
| First | Air Canada Aeroplan | 30,000 pts + $38.57 | 5 | 1 stop | Check this date | ||
| First | Virgin Australia Velocity | 51,500 pts + $13.77 | 1 | 1 stop | Check this date | ||
| First | Delta SkyMiles | 54,600 pts + $5.60 | 3 | Nonstop | Check this date | ||
| First | United MileagePlus | 55,600 pts + $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.
Nonstop award space
- Economy: nonstop from 12,500 points via Alaska Atmos Rewards, which showed nonstop space on 329 dates (8 programs had nonstop space).
- Business class: nonstop from 46,000 points via Qantas Frequent Flyer, which showed nonstop space on 11 dates.
- First class: nonstop from 25,000 miles via American Airlines AAdvantage, which showed nonstop space on 318 dates (4 programs had nonstop space).
Best months to fly from Seattle (SEA) to Washington Dulles (IAD) on points
| Month | Economy | Business | First |
|---|---|---|---|
| 11,000 · AAdvantage (16 dates) | 43,600 · Qantas (16 dates) | 25,000 · AAdvantage (16 dates) | |
| 10,000 · AAdvantage (30 dates) | 43,600 · Qantas (27 dates) | 25,000 · AAdvantage (30 dates) | |
| 10,000 · AAdvantage (31 dates) | 43,600 · Qantas (27 dates) | 25,000 · AAdvantage (31 dates) | |
| 10,000 · AAdvantage (26 dates) | 43,600 · Qantas (31 dates) | 25,000 · AAdvantage (26 dates) | |
| 10,000 · AAdvantage (28 dates) | 43,600 · Qantas (27 dates) | 25,000 · AAdvantage (28 dates) | |
| 10,000 · AAdvantage (28 dates) | 43,600 · Qantas (31 dates) | 25,000 · AAdvantage (28 dates) | |
| 10,000 · AAdvantage (30 dates) | 43,600 · Qantas (24 dates) | 29,500 · AAdvantage (30 dates) | |
| 10,000 · AAdvantage (31 dates) | 43,600 · Qantas (28 dates) | 29,500 · AAdvantage (31 dates) | |
| 10,000 · AAdvantage (30 dates) | 43,600 · Qantas (27 dates) | 25,000 · AAdvantage (30 dates) | |
| 10,000 · AAdvantage (31 dates) | 43,600 · Qantas (27 dates) | 25,000 · AAdvantage (31 dates) | |
| 10,000 · AAdvantage (31 dates) | 43,600 · Qantas (29 dates) | 25,000 · AAdvantage (31 dates) | |
| 10,000 · AAdvantage (9 dates) | 43,600 · Qantas (8 dates) | 25,000 · AAdvantage (9 dates) |
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.
Search, calendar and alerts from Seattle (SEA) to Washington Dulles (IAD)
Route calendar
Every departure date with open award seats on SEA→IAD for Alaska Atmos Rewards and the other programs: a limited window on the free plan and 365 days with Pro.
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Search Seattle (SEA) to Washington Dulles (IAD)Questions about award flights from Seattle (SEA) to Washington Dulles (IAD)
What's the lowest Seattle (SEA) to Washington Dulles (IAD) award price AwardTool has seen?
In economy, 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). In business class, 43,600 points + $5.60 with Qantas Frequent Flyer. Qantas Frequent Flyer showed business-class award space on 302 departure dates (newest observation Oct 16, 2026, 06:33 UTC). Search live before transferring points.
Which loyalty programs had award space from Seattle (SEA) to Washington Dulles (IAD)?
8 programs in the last 30 days: American Airlines AAdvantage (economy 321 dates, first class 321 dates); Air Canada Aeroplan (economy 236 dates, first class 3 dates); Alaska Atmos Rewards (economy 329 dates, first class 329 dates); Delta SkyMiles (economy 313 dates, first class 313 dates); Qantas Frequent Flyer (economy 281 dates, business class 302 dates); United MileagePlus (economy 323 dates, first class 323 dates); Virgin Australia Velocity (economy 222 dates, first class 1 date); Virgin Atlantic Flying Club (economy 189 dates, first class 13 dates). Dates count departure dates with an open award.
Is there nonstop award space from Seattle (SEA) to Washington Dulles (IAD)?
Yes. AwardTool observed nonstop award space in economy, business class and first class, bookable via American Airlines AAdvantage, Air Canada Aeroplan, Alaska Atmos Rewards, Delta SkyMiles, Qantas Frequent Flyer, United MileagePlus, Virgin Australia Velocity and Virgin Atlantic Flying Club. The lowest nonstop award in economy was 12,500 points with Alaska Atmos Rewards.
Which credit card points can book awards from Seattle (SEA) to Washington Dulles (IAD)?
American Express Membership Rewards: Air Canada Aeroplan (1:1), Delta SkyMiles (1:1), Qantas Frequent Flyer (1:1), Virgin Atlantic Flying Club (1:1). Bilt Rewards: Air Canada Aeroplan (1:1), Alaska Atmos Rewards (1:1), United MileagePlus (1:1), Virgin Atlantic Flying Club (1:1). Capital One Miles: Air Canada Aeroplan (1:1), Qantas Frequent Flyer (1:1), Virgin Atlantic Flying Club (1:1). Chase Ultimate Rewards: Air Canada Aeroplan (1:1), United MileagePlus (1:1), Virgin Atlantic Flying Club (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1), Qantas Frequent Flyer (1:1), Virgin Atlantic Flying Club (1:1). Wells Fargo Rewards: Virgin Atlantic Flying Club (1:1). Ratios come from AwardTool's transfer partner list; check current bonuses first.
Which months had the lowest award prices from Seattle (SEA) to Washington Dulles (IAD)?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers: in economy, the lowest award was for Dec 2026 departures, 10,000 miles with AAdvantage (31 dates); in business class, the lowest award was for Jan 2027 departures, 43,600 points with Qantas (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.