
$93 Cheap United flights St. Louis (STL) to Washington (IAD)
Prices were available within the past 7 days and start at $93 for one-way flights and $617 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 24 - Thu, Sep 25
STL
St. Louis
IAD
Washington
$617 Roundtrip, found 1 day ago
$617
Roundtrip
found 1 day ago

Wed, Sep 24 - Thu, Sep 25
STL
St. Louis
IAD
Washington
$627 Roundtrip, found 1 day ago
$627
Roundtrip
found 1 day ago

Wed, Sep 24 - Thu, Sep 25
STL
St. Louis
IAD
Washington
$630 Roundtrip, found 1 day ago
$630
Roundtrip
found 1 day ago

Wed, Sep 24 - Thu, Sep 25
STL
St. Louis
IAD
Washington
$636 Roundtrip, found 1 day ago
$636
Roundtrip
found 1 day ago

Wed, Sep 24 - Thu, Sep 25
STL
St. Louis
IAD
Washington
$637 Roundtrip, found 1 day ago
$637
Roundtrip
found 1 day ago

Wed, Sep 24 - Thu, Sep 25
STL
St. Louis
IAD
Washington
$640 Roundtrip, found 1 day ago
$640
Roundtrip
found 1 day ago
Travel information
Travel information
Origin airport | Lambert-St. Louis Intl. |
Destination airport | Washington Dulles Intl. |
Distance | 1111 km |
Average flight time | 3 hours 10 mins |
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