
$221 Cheap American Airlines flights St. Louis (STL) to Washington (IAD)
Prices were available within the past 7 days and start at $221 for one-way flights and $357 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 14 - Wed, Aug 20
STL
St. Louis
IAD
Washington
$357 Roundtrip, found 2 days ago
$357
Roundtrip
found 2 days ago

Thu, Aug 14 - Wed, Aug 20
STL
St. Louis
IAD
Washington
$427 Roundtrip, found 2 days ago
$427
Roundtrip
found 2 days ago
Origin airport | Lambert-St. Louis Intl. |
Destination airport | Washington Dulles Intl. |
Distance | 1111 km |
Average flight time | 3 hours 8 mins |
Most Popular American Airlines Routes from St. Louis
Most Popular American Airlines Routes from Washington
- Hartford to Pittsburgh (BDL - PIT)
- Milwaukee to Frankfurt (MKE - FRA)
- Dublin to Washington (DUB - IAD)
- Greensboro to Erie (GSO - ERI)
- Dallas to Boston (DFW - BOS)
- Hartford to West Palm Beach (BDL - PBI)
- Los Angeles to New York (LAX - JFK)
- Atlanta to London (ATL - LHR)
- New Orleans to New York (MSY - LGA)
- Milwaukee to Frankfurt (MKE - FRA)
Popular Domestic Routes in Washington Dulles Intl.
- Hartford to Pittsburgh (BDL - PIT)
- Greensboro to Erie (GSO - ERI)
- Washington to Denver (DCA - DEN)
- Greensboro to Erie (GSO - ERI)
- Baltimore to Denver (BWI - DEN)
- Monterey to Tucson (MRY - TUS)
- Atlanta to London (ATL - LHR)
- Baltimore to Denver (BWI - DEN)
- Hartford to West Palm Beach (BDL - PBI)
- Cedar Rapids to Honolulu (CID - HNL)