
United Flights from Washington (IAD) to Las Vegas (LAS)
Change your flight without a fee on select flights
Money Saving Bundle when you purchase Hotel + Flight!
Get mobile alerts about flight delays, gate changes and more with the FREE Wotif app
United Flights from IAD to LAS
How much is a United flight from Washington (IAD) to Las Vegas (LAS)?
One-way flights start as little as and there are roundtrips available from . Get in! You can score some sweet deals with Wotif and United.
How many non-stop United flights from Washington (IAD) to Las Vegas (LAS) are there per day?
United flies 3 flights direct every day between Washington (IAD) and Las Vegas (LAS).
How far is Washington (IAD) from Las Vegas (LAS)?
It’s 3316 km from Washington (IAD) to Las Vegas (LAS).
What is the best airline to fly from Washington Dulles Intl.?
At Wotif, we give you all the available options from our reputable partners. Select the airline that best suits your preferences and membership loyalties. You can fly from Washington Dulles Intl. with: .
Can I change or cancel my United tickets from Washington to Las Vegas on Wotif?
Change of plans? No worries! We’re right here to make things as easy as possible. Check out the United rules and restrictions in your itinerary. You can also use the No Change Fees filter to find flexible plane tickets for future trips. For more information on how to cancel or change your flight on Wotif, visit our customer service portal.
How do I find the best deal on United flights from Washington (IAD) to Las Vegas (LAS)?
Just review and compare all our awesome offers or enter your travel dates to see more terrific deals on United flights from Washington. And remember you can save even more when you bundle a hotel with your flight as part of a Wotif package. Sweet!
What’s a good way to get cheap United flight tickets from Washington to Las Vegas?
We have loads of cheap flights, so just enter your travel dates to see what’s available. If you can be flexible on when you fly, you’ll find even more epic flight deals. So get booking!
What is the cheapest time of year to fly from Washington (IAD) to Las Vegas (LAS)?
The cheapest time of the year for a return trip is . One-way, the cheapest month to fly is . Check our deal cards for details.
How long does it take to fly from IAD to LAS?
It typically takes 4 hours 59 to fly directly from Washington (IAD) to Las Vegas (LAS).
Epic Hotel in Las Vegas

Excalibur Hotel & Casino
Reviewed on 23 Aug. 2025

Luxor Hotel and Casino
Reviewed on 24 Aug. 2025

Mandalay Bay Resort And Casino
Reviewed on 22 Aug. 2025
Discover top hotels, vacation package, cheap car rental deals and more with Wotif!
Domestic to International Routes
- Brisbane to Amsterdam (BNE - AMS)
- Brisbane to Albany (BNE - ALB)
- Sydney to London (SYD - LHR)
- Brisbane to London (BNE - LHR)
- Sydney to Salt Lake City (SYD - SLC)
- Sydney to Edinburgh (SYD - EDI)
- Brisbane to San Francisco (BNE - SFO)
- Sydney to Frankfurt (SYD - FRA)
- Brisbane to Rome (BNE - FCO)
- Melbourne to Vancouver (MEL - YVR)
Domestic Routes
- Chicago to Amsterdam (ORD - AMS)
- Sydney to Orlando (SYD - MCO)
- Sydney to Toronto (SYD - YYZ)
- Melbourne to Los Angeles (MEL - LAX)
- Brisbane to San Francisco (BNE - SFO)
- Sydney to Frankfurt (SYD - FRA)
- Melbourne to London (MEL - LHR)
- Dallas to Los Angeles (DFW - LAX)
- Dallas to Los Angeles (DFW - LAX)
- Brisbane to Amsterdam (BNE - AMS)
Destinations For You
- Airfares from Brisbane (BNE) to Boston (BOS)
- Airfares from Adelaide (ADL) to Seattle (SEA)
- Alaska Airlines Seattle (SEA) to Hilo (ITO) flights
- Delta Denver (DEN) to Seattle (SEA) flights
- Virgin America Los Angeles (LAX) to Boston (BOS) flights
- Virgin Australia Seattle (SEA) to Brisbane (BNE) flights
- Airfares from Melbourne (MEL) to San Diego (SAN)
- American Airlines Los Angeles (LAX) to Boston (BOS) flights
- JetBlue Airways Windsor Locks (BDL) to West Palm Beach (PBI) flights
- Airfares from Brisbane (BNE) to Seattle (SEA)
- American Airlines Philadelphia (PHL) to Las Vegas (LAS) flights
- American Airlines Los Angeles (LAX) to Seattle (SEA) flights
- Delta Seattle (SEA) to Spokane (GEG) flights
- Delta West Palm Beach (PBI) to New York (LGA) flights
- Qantas Airways Sydney (SYD) to San Diego (SAN) flights
- Delta Seattle (SEA) to Rarotonga (RAR) flights
- Hawaiian Airlines Brisbane (BNE) to San Diego (SAN) flights
- Alaska Airlines Seattle (SEA) to Flagstaff (FLG) flights
- American Airlines Seattle (SEA) to Chicago (ORD) flights
- Delta Phoenix (PHX) to Seattle (SEA) flights
- Delta Las Vegas (LAS) to Seattle (SEA) flights
- Airfares from Perth (PER) to Boston (BOS)
- Qantas Airways Sydney (SYD) to Seattle (SEA) flights
- American Airlines Boston (BOS) to Chicago (ORD) flights
- Qantas Airways Sydney (SYD) to Boston (BOS) flights
- Virgin America Boston (BOS) to Los Angeles (LAX) flights
- Delta Seattle (SEA) to Honolulu (HNL) flights
- American Airlines Philadelphia (PHL) to Boston (BOS) flights
- American Airlines Boston (BOS) to New York (JFK) flights
- Delta San Francisco (SFO) to Seattle (SEA) flights
^Savings based on all package bookings made with Flight + Hotel on Wotif.com from , as compared to the price of the same components booked separately. Savings will vary based on origin/destination, length of trip, stay dates and selected travel supplier(s). Savings not available on all packages.