FFL Helper

FFL Helper / St Louis / Washington / August 2026

STL → WAS · 2026-08

St Louis to Washington in August 2026

Dated one-way fares from St Louis to Washington in August 2026. Use the calendar to see which days are cheaper.

Lowest this month $147
Highest this month $169
Sample fare $145
Airports STL–DCA
Search August 2026 tickets

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Other months: August 2026 · September 2026 · Full route

August 2026 price calendar

August 2026

From $147 · up to $169

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28 $147 29 $169 30 $159 31 $150

Dated fares

Washington WAS

$147

Aug 28, 10:44am · 2h 33m · 0 stops

STL → DCA · American Airlines

Tickets

Washington WAS

$150

Aug 31, 5:57pm · 2h 17m · 0 stops

STL → DCA · American Airlines

Tickets

Baltimore BWI

$169

Aug 29, 5:02pm · 16h 22m · 1 stop

STL → BWI · Frontier Airlines

Tickets

Booking STL to WAS in August 2026

This page is only August 2026 on the St Louis to Washington route. Open the full route if you want the next months side by side.

Prices move as seats sell. Confirm the live itinerary before you book St Louis to Washington in August 2026.