$85 Find Cheap Flights from Las Vegas to Washington Dulles Airport - Compare and Save

Spirit Airlines allows passengers to come on board with one carry-on bag and one personal item with a combined maximum weight of 40 lb. This will allow you to travel with your sizable luggage from Las Vegas to Washington Dulles Airport.

For those passengers traveling from Las Vegas to IAD airport with specific dietary requirements, book an airline that serves special meals. American Airlines will allow you to meet all your dietary needs depending on your order. It offers various special meals like vegetarian, gluten-free, and diabetic.

One of the quickest and most reliable means of transport you can consider using when leaving IAD airport upon arrival is a taxi. On the other hand, you can choose the private Washington Dulles Airport shuttle to take you to your preferred destination.

Booking United Airlines will allow you to experience one layover during your journey. You will have one stop before reaching your destination at Denver International Airport (DEN) before landing at IAD.

Among airlines operating Las Vegas to Washington, D.C. Dulles Intl Airport flights:

• United Airlines: offers extra legroom; offers free seat selection
• Frontier: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Las Vegas and Washington, D.C. Dulles Intl Airport. The airlines offering nonstop flights on this route include:

• United Airlines
• Frontier

Flights from Las Vegas to Washington, D.C. Dulles Intl Airport usually depart from Las Vegas Harry Reid Intl (LAS) and arrive at Washington, D.C. Dulles Intl (IAD).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• Frontier: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Four cabin classes are available on flights from Las Vegas to Washington, D.C. Dulles Intl Airport:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $301 round-trip via Orlando (MCO), compared to $430 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A321neo family is used most often on this route, operated mainly by Frontier. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

One-stop flights from Las Vegas to Washington, D.C. Dulles Intl Airport most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 62% of one-stop connections
• Dallas/Fort Worth (DFW) - 15% of one-stop connections
• San Diego (SAN) - 10% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 5% of one-stop connections

Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 47% on the Las Vegas to Washington, D.C. Dulles Intl Airport route. Friday is the cheapest departure day at $372 round-trip on average, while Sunday is the most expensive at $698, a difference of $326. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Las Vegas to Washington, D.C. Dulles Intl Airport route, 11% of flights were delayed in the past 3 months, with delays averaging 1 hour 32 minutes.

Night is the busiest departure period on Las Vegas to Washington, D.C. Dulles Intl Airport flights, with 50% of flights leaving in that window. Morning departures account for 25%, afternoon flights for 25%, and evening flights for 0%.

Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

These are the earliest and latest flight times available from Las Vegas to Washington, D.C. Dulles Intl Airport:

• Earliest: departs at 7:00 am and lands at 11:32 am
• Latest: departs at 11:59 pm and lands at 4:31 am.

The flight takes about 4h 32m.

Last-minute fares on this route - booked within 2 weeks of departure - run 28% above the route average of $410. Book 20 weeks before departure for the lowest fares.

A nonstop flight from Las Vegas to Washington, D.C. Dulles Intl Airport takes 4h 32m, covering 2,059 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

One-way fares from Las Vegas to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $139, which is 48% below the typical average for this route.

Delta is slightly above the route average for timely arrivals, while United Airlines has a lower on-time arrival rate. On-time arrival rates on Las Vegas to Washington, D.C. Dulles Intl Airport flights are:

• Delta: 100% on time
• United Airlines: 92% on time
• Frontier: 69% on time

Overall, flights on this route are on time 89% of the time on average.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 6h 48m, compared with 7h 35m via Charlotte Douglas (CLT) and 7h 56m via San Diego (SAN).

Washington, D.C. Dulles Intl Airport is 3 hours ahead of Las Vegas (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
• Dollar
• Budget
• Hertz
• Sixt
• Thrifty

Round-trip flights from Las Vegas to Washington, D.C. Dulles Intl Airport range from $321 to $538, with an average of $410 over the past 12 months. Anything below $321 counts as a good deal.

JetBlue is the only airline on the Las Vegas to Washington, D.C. Dulles Intl Airport route offering in-flight Wi-Fi. Pricing depends on fare class.