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Cheap flights from Washington to Las Vegas

Recently found return fares from $114, with December the cheapest month we know of. Compare dates, then book with the partner you choose.

Cheapest months to fly

Lowest recently found return fare in each month. Tap a month to see that month's calendar.

$180 Oct2026 $128 Nov2026 $114 Dec2026 $149 Jan2027

Washington → Las Vegas

November 2026

Mon Tue Wed Thu Fri Sat Sun 1 2 $128 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
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Lowest fares for the best day

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Airport in Las Vegas

  • LASHarry Reid

Airports in Washington

  • IADDulles
  • DCAReagan National

Watch this route

WAS
LAS

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More trips from Washington

All flights from Washington Las Vegas to Washington flights
Atlantafrom $73 FLLfrom $77 Dallasfrom $82 Orlandofrom $148 Los Angelesfrom $155 ONTfrom $169 Miamifrom $233 Phoenixfrom $261

FAQ

Questions about this route

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Help center Contact us
01What is the cheapest month to fly from Washington to Las Vegas?

Based on recently found fares, December 2026 has the lowest price we know of, from $114. Prices change often, so check the calendar for current fares.

02Are the prices on this page final?

No. They are recently found fares. When you open a deal, the partner shows the live price, including taxes and fees, before you pay.

03How can I get an alert when flights to Las Vegas get cheaper?

Use the price alert on this page. Choose your dates or a whole month and we will email you when the fare drops.