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) |
|---|---|---|---|---|---|---|---|
| IAD → STL UA4527 | Economy | Virgin Australia | 12,500 | $9.00 | 1 | ||
| IAD → STL UA4527 | First | Virgin Australia | 25,000 | $9.00 | 1 |
Did you mean Flights from St Louis to Dulles?
Dulles
United StatesIAD
Washington Dulles International Airport
St Louis
United StatesSTL
Lambert St Louis International Airport
Washington Dulles International Airport (IAD) serves Dulles; Lambert St Louis International Airport (STL) serves St Louis.
The airports are 694 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from IAD to STL.
Marketing airlines listed in the current schedule, including codeshare sellers, are Avianca (AV), Copa Airlines (CM), Lufthansa (LH), Brussels Airlines (SN) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Sep 24, 2026 – Sep 7, 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: Star Alliance
Washington Dulles International Airport (IAD) is the origin airport and Lambert St Louis International Airport (STL) is the destination airport.
IAD and STL are approximately 694 miles apart by great-circle distance.
Yes. Roame's current schedule feed shows nonstop service from IAD to STL.
Marketing airlines listed in the current schedule, including codeshare sellers, are Avianca (AV), Copa Airlines (CM), Lufthansa (LH), Brussels Airlines (SN) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.
Aircraft listed in the current schedule include CR5 and Embraer 175 (long wing) (E7W).