A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.
Departure window: through .
| Route / flight | Departure | Cabin | Book with | Points | Fees (USD) | Seats seen | Observed (UTC) |
|---|---|---|---|---|---|---|---|
| SEA → IAD AS366 | Economy | Alaska Atmos Rewards | 12,500 | $5.00 | 1 | ||
| SEA → IAD AS737 | Economy | American Airlines | 12,500 | $5.00 | 3 | ||
| SEA → IAD AS367 | Economy | Alaska Atmos Rewards | 12,500 | $5.00 | 9 | ||
| SEA → IAD AS366 | Economy | American Airlines | 12,500 | $5.00 | 3 | ||
| SEA → IAD AS737 | Economy | American Airlines | 12,500 | $5.00 | 3 | ||
| SEA → IAD AS367 | Economy | American Airlines | 12,500 | $5.00 | 3 | ||
| SEA → IAD AS367 | Economy | Alaska Atmos Rewards | 12,500 | $5.00 | 9 | ||
| SEA → IAD AS366 | Economy | American Airlines | 12,500 | $5.00 | 3 | ||
| SEA → IAD AS367 | Economy | American Airlines | 12,500 | $5.00 | 3 | ||
| SEA → IAD AS366 | Economy | Alaska Atmos Rewards | 12,500 | $5.00 | 9 | ||
| SEA → IAD AS737 | Economy | American Airlines | 12,500 | $5.00 | 3 | ||
| SEA → IAD AS367 | Economy | American Airlines | 12,500 | $5.00 | 3 |
Did you mean Flights from Dulles to Seattle?
Seattle
United StatesSEA
Seattle Tacoma International Airport
Dulles
United StatesIAD
Washington Dulles International Airport
Seattle Tacoma International Airport (SEA) serves Seattle; Washington Dulles International Airport (IAD) serves Dulles.
The airports are 2,300 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from SEA to IAD.
Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), Air France (AF), Alaska Airlines (AS), Avianca (AV), Finnair (AY), Alitalia (AZ), Copa Airlines (CM), Cathay Pacific (CX), Delta Air Lines (DL), Ethiopian Airlines (ET), Iberia (IB), Japan Airlines (JL), Starlux Airlines (JX), Korean Air (KE), Lufthansa (LH), China Eastern Airlines (MU), Austrian Airlines (OS), Qatar Airways (QR), Brussels Airlines (SN), United Airlines (UA) and Virgin Atlantic (VS). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Sep 21, 2026 – Sep 19, 2027.
These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.
Airline alliance affiliations represented: Oneworld, SkyTeam, Star Alliance
Seattle Tacoma International Airport (SEA) is the origin airport and Washington Dulles International Airport (IAD) is the destination airport.
SEA and IAD are approximately 2,300 miles apart by great-circle distance.
Yes. Roame's current schedule feed shows nonstop service from SEA to IAD.
Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), Air France (AF), Alaska Airlines (AS), Avianca (AV), Finnair (AY), Alitalia (AZ), Copa Airlines (CM), Cathay Pacific (CX), Delta Air Lines (DL), Ethiopian Airlines (ET), Iberia (IB), Japan Airlines (JL), Starlux Airlines (JX), Korean Air (KE), Lufthansa (LH), China Eastern Airlines (MU), Austrian Airlines (OS), Qatar Airways (QR), Brussels Airlines (SN), United Airlines (UA) and Virgin Atlantic (VS). This list does not identify the operating airline for each flight; check the flight details before booking.
Aircraft listed in the current schedule include Airbus A220-300 (223), Airbus A321neo (32Q), 737, Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-800 Winglets (73H), Boeing 737-900 Winglets (73J), Boeing 737 MAX 8 (7M8) and JET.