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Nonstop flights from Washington to Las Vegas from $258 DCA, IAD → LAS

Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) → McCarran International Airport (LAS)

The cheapest nonstop return found recently is $258 with American Airlines, 18 Nov – 21 Nov, found 2 days ago.

Nonstop return

The cheapest nonstop return fare on each of 9 departure dates is usually $412 to $633.

Cheapest nonstop return

$258

18 Nov – 21 Nov · American Airlines

Ronald Reagan National Airport (DCA) → McCarran International Airport (LAS)

Leaves 8:00 a.m. · Return leaves 4:35 p.m. · 9 h 55 min of travel, both ways together

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

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Airlines flying it nonstop on the return fares we hold: American Airlines (9 departure dates), United Airlines (9 departure dates), Southwest Airlines (8 departure dates), Frontier Airlines (7 departure dates).

On the 19 trips where we hold both on the same dates, nonstop cost a median $112 (22.3%) more than the cheapest fare with stops. Nonstop was cheaper or the same price on 5 of those 19 trips.

Every nonstop date we hold

Nonstop fares on 9 of the 9 departure dates we hold for this route.

18 Nov – 21 Nov: $258, found 2 days ago26 Nov – 30 Nov: $450, found 7 days ago11 Dec – 14 Dec: $479, found 5 days ago25 Dec – 31 Dec: $370, found yesterday26 Dec – 2 Jan 2027: $634, found 6 days ago27 Dec – 2 Jan 2027: $633, found 6 days ago28 Dec – 31 Dec: $412, found 5 days ago29 Dec – 3 Jan 2027: $694, found 3 days ago4 May 2027 – 11 May 2027: $500, found 4 days agoNovDecMay
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
18 Nov – 21 Nov$258American AirlinesRonald Reagan National Airport (DCA) → McCarran International Airport (LAS)out nonstop, back nonstopfound 2 days agoSee prices for these dates
26 Nov – 30 Nov$450Frontier AirlinesWashington Dulles International Airport (IAD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 7 days agoSee prices for these dates
11 Dec – 14 Dec$479Southwest AirlinesRonald Reagan National Airport (DCA) → McCarran International Airport (LAS)out nonstop, back nonstopfound 5 days agoSee prices for these dates
25 Dec – 31 Dec$370Frontier AirlinesWashington Dulles International Airport (IAD) → McCarran International Airport (LAS)out nonstop, back nonstopfound yesterdaySee prices for these dates
26 Dec – 2 Jan 2027$634Frontier AirlinesWashington Dulles International Airport (IAD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 6 days agoSee prices for these dates
27 Dec – 2 Jan 2027$633Frontier AirlinesWashington Dulles International Airport (IAD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 6 days agoSee prices for these dates
28 Dec – 31 Dec$412Frontier AirlinesWashington Dulles International Airport (IAD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 5 days agoSee prices for these dates
29 Dec – 3 Jan 2027$694Frontier AirlinesWashington Dulles International Airport (IAD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 3 days agoSee prices for these dates
4 May 2027 – 11 May 2027$500Southwest AirlinesRonald Reagan National Airport (DCA) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work