Lowest Prices
Uncover the best deals on Las Vegas to Washington flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest LAS - IAD Flights
Useful information for finding best airline tickets from McCarran International to Washington Dulles International on your next trip.
Cheapest Round Trip Flight
$237
Frontier Airlines
• 1 stop
• 10h 53m
Oct 15 – Oct 18
The cheapest round trip flight from Las Vegas to Washington (LAS-IAD-LAS) is currently $237
Cheapest One way Flight
$165
Delta Airlines
• 1 stop
• 12h 10m
Oct 05
The cheapest one way flight from Las Vegas to Washington (LAS-IAD) is currently $165
Cheapest Direct Flight
$255
Frontier Airlines
• nonstop
• 7h 17m
Oct 15
The cheapest nonstop flight from Las Vegas to Washington (LAS-IAD) is currently $255
Fastest Flight
7h 13m
The fastest nonstop flight from Las Vegas to Washington (LAS-IAD) takes 7h 13m
Top Airlines Flying from Las Vegas to Washington
Latest Flight Deals from Las Vegas (LAS) to Washington (IAD)
Compare and book low fare round-trip air tickets from Las Vegas to Washington. Ideal for travelers with confirmed return itineraries.
Oct 15 - Oct 18, Economy
Las Vegas → Washington
10h 53m
7:20 AM - 5:13 PM • 1 stop
Las Vegas → Washington
8h 24m
6:00 AM - 8:04 AM • nonstop
Frontier Airlines
Oct 15 - Oct 18, Economy
Las Vegas → Washington
7h 17m
10:43 PM - 6:20 AM • nonstop
Las Vegas → Washington
8h 24m
6:00 AM - 8:04 AM • nonstop
Frontier Airlines
Oct 15 - Oct 18, Economy
Las Vegas → Washington
12h 34m
12:40 AM - 11:34 AM • 1 stop
Las Vegas → Washington
16h 52m
7:00 AM - 2:12 PM • 1 stop
Frontier Airlines
Oct 15 - Oct 18, Economy
Las Vegas → Washington
20h 34m
8:00 PM - 11:34 AM • 1 stop
Las Vegas → Washington
10h 51m
7:00 AM - 10:51 AM • 1 stop
Frontier Airlines
Oct 15 - Oct 18, Economy
Las Vegas → Washington
10h 53m
7:20 AM - 5:13 PM • 1 stop
Las Vegas → Washington
14h 3m
6:00 PM - 11:43 PM • 1 stop
Frontier Airlines
Explore competitive one-way airfare options for LAS - IAD flights. Best suited for flexible or open-ended travel plans.
Flying to Washington soon? We've surfaced some of the most affordable last-minute flights from Las Vegas to Washington, ideal for urgent plans or spontaneous trips.
Looking for the fastest way to Washington? These direct flight options from LAS to IAD offer both convenience and value—no layovers, just straight to your destination.
Oct 15 - Oct 18, Economy
Las Vegas → Washington
7h 17m
10:43 PM - 6:20 AM • nonstop
Las Vegas → Washington
8h 24m
6:00 AM - 8:04 AM • nonstop
Frontier Airlines
FAQs on Las Vegas to Washington Flights
What are the airports in Las Vegas?
LAS
What’s the most popular airline flying from LAS to IAD?
The most popular airline flying from Las Vegas to Washington are
Can I fly from LAS to IAD non-stop?
Yes, you can fly LAS to IAD non-stop on
Which airlines fly nonstop between Las Vegas and Washington?
The non-stop flights between Las Vegas and Washington are .
What’s the earliest departure time from LAS to IAD Airport?
The earliest flight leaves LAS at 12:40 am and lands in IAD - Washington Dulles International
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my Las Vegas to Washington flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from LAS to IAD?
Read the fare rules of the Las Vegas to Washington air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Las Vegas and Washington?
operate flights between Las Vegas and Washington
How long does a flight from Las Vegas to Washington take?
It takes approximately 5 hour to fly non-stop from LAS to IAD, which is 2065.54 miles by air.
Which airlines provide the cheapest flights from Las Vegas (LAS) to Washington (IAD) ?
In the past couple of days, the cheapest tickets to IAD from LAS were found on AS : USD 1202
Do I need a passport to fly between LAS and IAD?
No
What’s the latest departure time from LAS to IAD ?
The last flight leaves LAS at 11:55 pm
Las Vegas (LAS) to Washington (IAD): Airport Information
| Origin Airport | McCarran International , Las Vegas, US |
| Destination Airport | Washington Dulles International , Washington, US |
| Distance | 2066 miles |
More Flight Options for Las Vegas (LAS) and Washington (IAD)
Flights from Las Vegas (LAS)
to Los Angeles (LAX)
Flights from Las Vegas (LAS)
to Sacramento (SMF)
Flights from Las Vegas (LAS)
to Mexico City (MEX)
Flights from Las Vegas (LAS)
to Seattle (SEA)
Flights from Las Vegas (LAS)
to Miami (MIA)
Flights from Las Vegas (LAS)
to Cleveland (CLE)
Flights from Las Vegas (LAS)
to Denver (DEN)
Flights from Las Vegas (LAS)
to Phoenix (PHX)
Flights from Las Vegas (LAS)
to Honolulu (HNL)
Flights from Las Vegas (LAS)
to San Francisco (SFO)
Flights from Las Vegas (LAS)
to Charlotte (CLT)
Flights from Las Vegas (LAS)
to Fort Lauderdale (FLL)
Flights from Las Vegas (LAS)
to Dallas (DFW)
Flights from Las Vegas (LAS)
to Dallas (DFW)
Flights from Las Vegas (LAS)
to Salt Lake City (SLC)
Flights from Las Vegas (LAS)
to Orlando (MCO)
Flights from Las Vegas (LAS)
to Detroit (DTW)
Flights from Las Vegas (LAS)
to Santa Ana (SNA)
Flights from Las Vegas (LAS)
to Portland (PDX)
Flights from Las Vegas (LAS)
to Eugene (EUG)
Flights from Orlando (MCO)
to Baltimore (BWI)
Flights from Orlando (MCO)
to Baltimore (BWI)
Flights from Austin (AUS)
to Washington (DCA)
Flights from Detroit (DTW)
to Washington (DCA)
Flights from Grand Rapids (GRR)
to Washington (DCA)
Flights from Boston (BOS)
to Washington (DCA)
Flights from Los Angeles (LAX)
to Washington (IAD)
Flights from Minneapolis (MSP)
to Washington (IAD)
Flights from Raleigh/Durham (RDU)
to Baltimore (BWI)
Flights from Atlanta (ATL)
to Washington (IAD)
Flights from San Antonio (SAT)
to Washington (DCA)
Flights from Minneapolis (MSP)
to Washington (DCA)
Flights from Minneapolis (MSP)
to Washington (DCA)
Flights from Houston (HOU)
to Baltimore (BWI)
Flights from Atlanta (ATL)
to Baltimore (BWI)
Flights from Atlanta (ATL)
to Baltimore (BWI)
Flights from St Louis (STL)
to Baltimore (BWI)
Flights from St Louis (STL)
to Baltimore (BWI)
Flights from Fort Lauderdale (FLL)
to Baltimore (BWI)
Flights from Fort Lauderdale (FLL)
to Baltimore (BWI)
Cheap flights to North America (NA)
Cheap flights to United States (US)
Cheap flights to Nevada (US-NV)
Cheap flights to Virginia (US-VA)
Cheap flights from North America (NA)
Cheap flights from United States (US)
Cheap flights from Nevada (US-NV)
Cheap flights from Virginia (US-VA)
Flights to Baltimore (BWI)
Flights to Baltimore (BWI)
Flights to Washington (DCA)
Flights to Washington (IAD)
Flights to Las Vegas (LAS)
Flights from Baltimore (BWI)
Flights from Baltimore (BWI)
to Las Vegas (LAS)
Flights from Baltimore (BWI)
to Las Vegas (LAS)
Flights from Washington (DCA)
Flights from Washington (DCA)
to Las Vegas (LAS)
Flights from Washington (IAD)
Flights from Washington (IAD)
to Las Vegas (LAS)
Flights from Washington (IAD)
to Las Vegas (LAS)
Flights from Las Vegas (LAS)
Why Fareleaders for LAS to IAD Plane Tickets
New Deals Everyday
Get the best prices on LAS to IAD flights—we update our fares daily so you never miss a saving.
No Service Fees
Compare hundreds of Las Vegas to Washington flights and secure the best deals—we never add any service fees.