Washington to Las Vegas in September 2026

Dated one-way fares from Washington to Las Vegas in September 2026. Use the calendar to see which days are cheaper.

Lowest this month $113

Highest this month $225

Sample fare $111

Airports BWI–LAS

Ad. Ticket links are affiliate ads. We may earn a commission if you book. Advertising disclosure

September 2026 price calendar

From $113 · up to $225

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 $148 2 $150 3 $225 4 $177 5 $177 6 $177 7 $177 8 $128 9 $148 10 $141 11 $142 12 $142 13 $143 14 $128 15 $123 16 $118 17 $126 18 $126 19 $126 20 $134 21 $124 22 $124 23 $124 24 $124 25 $124 26 $124 27 $124 28 $113

Las Vegas LAS

$113

Sep 28, 6:22pm · 17h 25m · 1 stop

BWI → LAS · Frontier Airlines

Las Vegas LAS

$118

Sep 16, 6:00am · 4h 58m · 0 stops

IAD → LAS · Frontier Airlines

This page is only September 2026 on the Washington to Las Vegas 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 Washington to Las Vegas in September 2026.