Find Cheap Flights from Washington, D.C. to Las Vegas (WAS - LAS)

Flights overview

Useful information for finding cheap flights from Washington, D.C. to Las Vegas and booking your next trip

Cheapest round-trip flights	$149	Frontier 1 stop 9 hr Sat, Feb 21 — Sat, Feb 28	The cheapest round-trip flight from Washington, D.C. to Las Vegas is currently $149
Cheapest one-way flight	$75	Frontier 1 stop 9 hr Sat, Feb 28	The cheapest one-way flight from Washington, D.C. to Las Vegas is currently $75
Cheapest nonstop flights	$405	Southwest Nonstop 6 hr Mon, Apr 27 — Tue, May 5	The cheapest nonstop round-trip flight from Washington, D.C. to Las Vegas is currently $405
Last-minute weekend getaway	$262	Frontier 1 stop 13 hr Thu, Jan 29 — Mon, Feb 2	The cheapest last-minute weekend getaway from Washington, D.C. to Las Vegas is currently $262
Cheapest business class flights	$1,096	Delta 1 stop 8 hr Mon, Apr 20 — Tue, Apr 28	The cheapest business class round-trip flight from Washington, D.C. to Las Vegas is currently $1,096

Fastest flight	5 hr 10 min	The fastest nonstop flight from Washington, D.C. to Las Vegas takes 5 hr 10 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Washington, D.C. to Las Vegas is typically October. The most expensive month to fly is typically December.

October Cheapest	Typical prices: $120–260
December Most expensive	Typical prices: $180–425

Popular airlines from Washington, D.C. to Las Vegas

Southwest

Nonstop

from $346

Typical price: $280–520

35 weekly nonstop flights

BWI, DCA - LAS Every day

2331 weekly connecting flights

BWI, DCA, IAD - LAS Every day
United

Nonstop

from $352

Typical price: $235–470

20 weekly nonstop flights

IAD - LAS Every day

1427 weekly connecting flights

BWI, DCA, IAD - LAS Every day
American

Nonstop

from $356

Typical price: $295–520

7 weekly nonstop flights

DCA - LAS Every day

821 weekly connecting flights

BWI, DCA, IAD - LAS Every day
Delta

from $356

Typical price: $275–590

1167 weekly connecting flights

BWI, DCA, IAD - LAS Every day
Alaska

from $310

Typical price: $295–620

105 weekly connecting flights

BWI, DCA, IAD - LAS Every day
Frontier

from $149

Typical price: $165–345

69 weekly connecting flights

BWI, DCA, IAD - LAS Every day

Popular airports near Washington, D.C.

Ronald Reagan Washington National Airport (DCA)

Washington United States 18 min 4 mi
Dulles International Airport (IAD)

Washington United States 52 min 22 mi
Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)

Baltimore United States 49 min 27 mi
Philadelphia International Airport (PHL)

Philadelphia United States 2 hr 20 min 116 mi

Popular airports near Las Vegas

Harry Reid International Airport (LAS)

Las Vegas United States 16 min 6 mi
St. George Regional Airport (SGU) (SGU)

St. George United States 1 hr 52 min 108 mi
Ontario International Airport (ONT)

Ontario United States 3 hr 32 min 201 mi
Boulder City Municipal Airport (BLD)

Boulder City United States 26 min 22 mi

Frequently asked questions about flying from Washington, D.C. to Las Vegas

The cheapest flights from Washington, D.C. to Las Vegas are usually in October. Typical ticket prices in October range from $120 to $260.

The cheapest round-trip flight from Washington, D.C. to Las Vegas recently found on Google Flights was with Frontier from $149. The cheapest one-way flight was with Frontier from $75.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Washington, D.C. to Las Vegas is $346, flying from Feb 23 to Mar 4.
The cheapest United flight from Washington, D.C. to Las Vegas is $352, flying from Apr 23 to Apr 29.
The cheapest American flight from Washington, D.C. to Las Vegas is $356, flying from Feb 26 to Mar 4.
The cheapest Delta flight from Washington, D.C. to Las Vegas is $356, flying from Apr 16 to Apr 22.
The cheapest Alaska flight from Washington, D.C. to Las Vegas is $310, flying from Feb 21 to Feb 28.
The cheapest Frontier flight from Washington, D.C. to Las Vegas is $149, flying from Feb 21 to Feb 28.

The cheapest round-trip flight from Washington, D.C. to Las Vegas starts at $149 from Sat, Feb 21 to Sat, Feb 28. The cheapest one-way flight starts at $75 and departs on Sat, Feb 28.

5 hr 10 min is the shortest flight time from Washington, D.C. to Las Vegas.

Las Vegas is a busy year-round destination with a subtropical desert climate. There's no specific peak season, but crowds and prices increase around holidays and the many annual conventions. Popular events include the Consumer Electronic Show (Jan), the Project fashion trade show (Feb and Aug), NASCAR Weekend (Mar), the National Finals Rodeo (Dec), and New Year's Eve. During summer (Jun–Aug), extremely high daytime temperatures may make outdoor activities like golf and canyon hiking inadvisable.

It's easy to use Google Flights to find the cheapest days to fly from Washington, D.C. to Las Vegas.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Washington, D.C. to Las Vegas really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Washington, D.C. to Las Vegas.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 35 nonstop flights and 2,331 connecting flights per week. Southwest flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Harry Reid International Airport (LAS) .

Other popular airlines flying from Washington, D.C. to Las Vegas are:

United offers 20 nonstop flights and 1,427 connecting flights per week. United flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Harry Reid International Airport (LAS) .
American offers 7 nonstop flights and 821 connecting flights per week. American flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Harry Reid International Airport (LAS) .
Delta offers 1,167 connecting flights per week. Delta flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Harry Reid International Airport (LAS) .
Alaska offers 105 connecting flights per week. Alaska flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Harry Reid International Airport (LAS) .
Frontier offers 69 connecting flights per week. Frontier flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Harry Reid International Airport (LAS) .

The number of connecting flights refers to distinct flights with at least one stop between Washington, D.C. and Las Vegas.

The cheapest round-trip flight from Washington, D.C. to Las Vegas recently found on Google Flights was with Frontier from $149. The cheapest one-way flight was with Frontier from $75.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Washington, D.C. to Las Vegas is $346, flying from Feb 23 to Mar 4.
The cheapest United flight from Washington, D.C. to Las Vegas is $352, flying from Apr 23 to Apr 29.
The cheapest American flight from Washington, D.C. to Las Vegas is $356, flying from Feb 26 to Mar 4.
The cheapest Delta flight from Washington, D.C. to Las Vegas is $356, flying from Apr 16 to Apr 22.
The cheapest Alaska flight from Washington, D.C. to Las Vegas is $310, flying from Feb 21 to Feb 28.
The cheapest Frontier flight from Washington, D.C. to Las Vegas is $149, flying from Feb 21 to Feb 28.

Southwest, American and United fly direct from Washington, D.C. to Las Vegas.

There are 35 Southwest direct flights from Washington, D.C. to Las Vegas per week. Flights are available every day.
There are 20 United direct flights from Washington, D.C. to Las Vegas per week. Flights are available every day.
There are 7 American direct flights from Washington, D.C. to Las Vegas per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Washington, D.C. and Las Vegas at price $262 is offered by Frontier from Thu, Jan 29 to Mon, Feb 2.

Southwest, American and United fly direct from Washington, D.C. to Las Vegas.

There are 35 Southwest direct flights from Washington, D.C. to Las Vegas per week. Flights are available every day.
There are 20 United direct flights from Washington, D.C. to Las Vegas per week. Flights are available every day.
There are 7 American direct flights from Washington, D.C. to Las Vegas per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Washington, D.C. to Las Vegas on a daily basis.

The cheapest direct (nonstop) round-trip flights between Washington, D.C. and Las Vegas start at $405 from Mon, Apr 27 to Tue, May 5 with Southwest.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Washington, D.C. to Las Vegas, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Washington, D.C. and Las Vegas start at $1,096 from Mon, Apr 20 to Tue, Apr 28 with Delta.

The cheapest economy class round-trip flights between Washington, D.C. and Las Vegas start at $149 from Sat, Feb 21 to Sat, Feb 28.

To book business class trips from Washington, D.C. to Las Vegas, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Washington, D.C. and Las Vegas starts at $262 from Thu, Jan 29 to Mon, Feb 2 with Frontier.

The cheapest last-minute deal between Washington, D.C. and Las Vegas at price $262 is offered by Frontier from Thu, Jan 29 to Mon, Feb 2.

To find last-minute flight deals from Washington, D.C. to Las Vegas, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.