LAS - IAD

$126 Find Cheap Flights from Las Vegas to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Las Vegas to Dulles Intl departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Las Vegas to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Las Vegas to Washington, D.C., as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$208
Overall average: $401
Frontier
Wed 1/21Fri 1/23
LAS - IAD • 1 stop
Cheapest non-stop
$297
Typical prices: $304-$521
United Airlines
Thu 1/29Mon 2/2
LAS - IAD • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
United's Economy Plus offers extra legroom benefits.
Use the Silver Line Metro for easy access to downtown D.C.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Frontier
Cheapest • from $249 (round-trip)
Delta
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 37% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
July
Cheapest • 34% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Dulles Intl!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Las Vegas to Dulles Intl (LAS-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Las Vegas to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Las Vegas to Dulles Intl

Wed, Jan 21 - Fri, Jan 23
Frontier Logo
11:59 pm - 4:28 pm
LAS
-
IAD
13h 29m1 stop
Frontier Logo
5:33 pm - 10:57 pm
IAD
-
LAS
8h 24m1 stop
$208Frontier
Wed, Jan 21 - Fri, Jan 23
Frontier Logo
11:59 pm - 4:28 pm
LAS
-
IAD
13h 29m1 stop
Frontier Logo
5:33 pm - 10:57 pm
IAD
-
LAS
8h 24m1 stop
$209Frontier
Fri, Jan 23 - Sun, Jan 25
Frontier Logo
11:36 pm - 10:44 am
LAS
-
IAD
8h 08m1 stop
Frontier Logo
10:50 am - 5:37 pm
IAD
-
LAS
9h 47m1 stop
$210Frontier
Sun, Feb 1 - Thu, Feb 5
Frontier Logo
11:59 pm - 4:28 pm
LAS
-
IAD
13h 29m1 stop
Frontier Logo
5:37 pm - 10:57 pm
IAD
-
LAS
8h 20m1 stop
$211Frontier
Fri, Jan 30 - Mon, Feb 2
Frontier Logo
11:36 pm - 10:44 am
LAS
-
IAD
8h 08m1 stop
Frontier Logo
10:50 am - 5:55 pm
IAD
-
LAS
10h 05m1 stop
$213Frontier
Wed, Jan 21 - Thu, Feb 5
Frontier Logo
11:59 pm - 4:28 pm
LAS
-
IAD
13h 29m1 stop
Frontier Logo
5:37 pm - 10:57 pm
IAD
-
LAS
8h 20m1 stop
$214Frontier
Sat, Feb 21 - Sat, Feb 28
Frontier Logo
10:05 pm - 10:15 am
LAS
-
IAD
9h 10m1 stop
Frontier Logo
10:29 am - 5:01 pm
IAD
-
LAS
9h 32m1 stop
$215Frontier
Wed, Feb 25 - Sun, Mar 1
Multiple Airlines Logo
11:59 pm - 10:33 am
LAS
-
IAD
7h 34m1 stop
Multiple Airlines Logo
7:14 pm - 10:26 am
IAD
-
LAS
18h 12m2 stops
$217Multiple Airlines
Sat, Feb 14 - Sat, Feb 21
Frontier Logo
10:05 pm - 10:15 am
LAS
-
IAD
9h 10m1 stop
Frontier Logo
10:29 am - 8:41 am
IAD
-
LAS
25h 12m2 stops
$220Frontier
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
11:59 pm - 4:28 pm
LAS
-
IAD
13h 29m1 stop
Multiple Airlines Logo
5:26 pm - 10:31 pm
IAD
-
LAS
8h 05m1 stop
$221Multiple Airlines
Booking Insights

KAYAK's insights & trends for Las Vegas to Dulles Intl flights

Get data-powered insights and trends into flights from Las Vegas to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Las Vegas to Washington Dulles Airport?

The average price of all round-trip flights from Las Vegas to Washington, D.C. Dulles Intl Airport clicked on KAYAK for each day over the last 12 months.

For Las Vegas to Washington Dulles Airport, Thursday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Washington Dulles Airport back to Las Vegas, the best deals are generally found on Saturday, with Thursday being the most expensive.

What is the cheapest month to fly from Las Vegas to Washington, D.C. Dulles Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Las Vegas to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Las Vegas to Washington, D.C. Dulles Intl Airport is July, where tickets cost $237 (return) on average. On the other hand, the most expensive months are November and December, where the average cost of round-trip tickets is $464 and $449 respectively.

Can I save money by flying with a layover from Las Vegas to Washington, D.C. Dulles Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $448, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Las Vegas to Washington, D.C. Dulles Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Las Vegas to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Las Vegas to Washington, D.C. Dulles Intl Airport, you should book around 3 weeks before departure, which saves you about 37% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Expert advice

Expert advice for your flight from Las Vegas to Dulles Intl

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
United Airlines

United's Economy Plus offers up to six inches more legroom than standard economy seats.


United's Priority Boarding puts you in Zone 2, avoiding overhead bin space issues.

Frontier

Frontier's Premium Bundle includes priority boarding and a Premium seat with extra legroom.


Avoid Airport Agent Assistance fees by checking in online or via the Frontier app.

Airports
LAS

Take advantage of Remote Bag Check at LAS for a smoother departure. Check bags at the Rent-A-Car Center or Terminal 3's curb.

IAD

Use the Silver Line Metro for a convenient 50-minute ride from IAD to downtown D.C. It's a cost-effective option.

Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines, Frontier and IAD

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Harriet Baskas

Harriet Baskas

Expert on LAS

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Good to know

Low seasonFebruary
Cheapest flight$126
Best time to beat the crowds but there is an average 17% increase in price.
Most popular time to fly and prices are also 35% lower on average.
Flight from Las Vegas to Washington Dulles Airport

When to book flights from Las Vegas to Dulles Intl

Are your dates flexible? Find out the best times to travel from Las Vegas to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Las Vegas to Washington Dulles Airport flights

  • Which airline offers favorable carry-on policies to its passengers?

    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.

  • Which airline among those flying from Las Vegas to Washington Dulles Airport offers special meals?

    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.

  • How can I easily get from Washington Dulles Airport (IAD) to the city center?

    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.

  • What are the most popular layovers when flying from Las Vegas (LAS) to Washington Dulles Airport?

    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.

  • What is the cheapest flight from Las Vegas to Washington, D.C. Dulles Intl Airport?

    In the last 3 days, the lowest price for a flight from Las Vegas to Washington, D.C. Dulles Intl Airport was $126 for a one-way ticket and $208 for a round-trip.

  • Do I need a passport to fly between Las Vegas and Washington Dulles Airport?

    No

  • Which airlines offer Wi-Fi service onboard planes from Las Vegas to Washington Dulles Airport?

    JetBlue, Air Canada, Delta, and American Airlines offer inflight Wi-Fi service on the Las Vegas to Washington Dulles Airport flight route.

  • Which aircraft models fly most regularly from Las Vegas to Washington Dulles Airport?

    The Boeing 737 MAX 9 is the aircraft model that flies most regularly on the Las Vegas to Washington Dulles Airport flight route.

  • Which airline alliances offer flights from Las Vegas to Washington Dulles Airport?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Las Vegas and Washington Dulles Airport, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Las Vegas to Washington Dulles Airport?

    There are nonstop flights from Las Vegas to Washington Dulles Airport on a daily basis.

  • Which is the best airline for flights from Las Vegas to Washington, D.C., Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Las Vegas to Washington, D.C. are Delta and United Airlines. With an average price for the route of $308 and an overall rating of 7.9, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $393 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Las Vegas to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Las Vegas to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Las Vegas to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Las Vegas is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Las Vegas to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Las Vegas with another airline. Booking your flights between Las Vegas and IAD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Las Vegas to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Las Vegas up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Las Vegas to Washington, D.C. Dulles Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $233 or less one-way and $340 or less round-trip.
  • When you are planning to fly from Las Vegas, you will have to start your journey at Harry Reid International Airport (LAS) and land at Washington Dulles International Airport (IAD). You also have an alternative of departing from Boulder City Municipal Airport (BLD) and arriving at Baltimore/Washington International Thurgood Marshall Airport (BWI), but this route is less popular with cheaper flights.
  • If you are planning to travel with your kid from Las Vegas to IAD with your kid, you need to book a kid-friendly airline that will make your kid's journey more enjoyable and memorable. JetBlue is one of the kid-friendly airlines you can consider. It has great amenities like an in-flight entertainment, kid's movies, and kid’s meals.
  • When you are located in Las Vegas's downtown area and you are looking for a suitable mode of transport to LAS airport, you should consider taking a bus. It is the most reliable and convenient means of transport linking the airport to downtown.
  • For you to qualify to travel with your pet from Las Vegas to IAD airport, you are required to book an airline that allows passengers to come on board with their pets. Alaska Airlines allows you to travel with your pet in the cabin as long as the pet's weight and that of the carrier combined does not exceed 20 lb.
  • Reduced mobility passengers who are planning to fly from Las Vegas to IAD airport should book one of the airlines flying out of Las Vegas that offers mobility services to such travelers. Frontier Airlines is one of the suitable airlines you can book. It offers wheelchair services to enhance your movement and its on-board staff are always ready to offer assistance when needed.

Prefer to fly direct from Las Vegas to Washington Dulles Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl.
Find which airlines fly direct from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport, which days they fly and book direct flights.

Direct departures

Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Washington, D.C. Dulles Intl to Las Vegas Harry Reid Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Reviews of the top 3 airlines serving from Las Vegas to Dulles Intl

 
See real verified KAYAK customer reviews for airlines flying from Las Vegas to Washington, D.C.. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Las Vegas to Dulles Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8031 reviews
7.9Comfort
7.2Food
8.1Boarding
8.5Crew
7.8Entertainment
Airline reviews

It was Delta, but the flight attendants were stressful and disrespectful. I am a diamond member a travel weekly. I have not had a negative thing to share in quite some time. But this was noticeable.

2.0 MediocreWilliam, Jan 2026
LGA - BOS
Read more Delta reviews

It was Delta, but the flight attendants were stressful and disrespectful. I am a diamond member a travel weekly. I have not had a negative thing to share in quite some time. But this was noticeable.

Comfort Plus seat 11E seemed smaller than prior flights. The movie selection is good. Watched most of the most recent Tron movie. I'll watch the remaining part later as my movie is saved in the Delta Seatback Experience.

Flight was late from Newark to Atlanta, I asked flight attendant to please let my family of 3 out first when we landed to Atlanta because we were late for our connecting flight to Quito. She didn't and we were late for 5 minutes we couldn't board the plane and spend hours trying to get another flight with customer service for the next day.

I really liked the legroom. I am 6’4”.a at For some reason our seats were not together and using the app to fix it didn’t work. Passengers were nice enough to move for us but you should absolutely ensure a parent sits with their child.

Late delayed flight delays boarding and delays leaving and delays on arrival too. Cramped plane no room no food.

DTW line is too long. The flights from DTW to BWI are always delayed for unknown reasons.

Delta canceled our flight and we had to scramble to find another airline to get home. Phoenix is not a delta hub so they didn’t have another plane. It would have been a red eye though Salt Lake City. Getting in at 5am. No bueno.

This flight was no comparison to our prior flight. I'm thinking it all has to do with the age of the aircraft.

This flight was a first class choice and left much to be desired. Seat backs on seats were falling apart and torn. Seats actually didn't come to a "full & upright position". Pull out table was sprung. Not any significant leg room. All in all we were on an obviously older plane and felt overcharged for what we received as first class.

Flight was delayed several times. At one point, they "pulled back" 15 minutes from the delayed boarding and sent a text saying we would board sooner than previously advised. The flight then was delayed again. And when we boarded, there was an unspecified technical issue which had us waiting in the plane for about an hour.

The flight was delayed for 1:30 hours for maintenance issues. They should give more information about connecting flights. For a Business Cabin the Crew was mediocre.

The food is terrible. The same pasta or chicken with bad taste and presentation

It was probably one of the worst flights I’ve been on. The restrooms were never cleaned or stocked. The food was very subpar, and i usually enjoy airline food, so I was disappointed. It was just all around a bad experience. The only saving grace was the flight attendants.

The only downside was my cell phone charger wouldn’t work in the charging port but everyone else’s would work in them all. My cell phone cable works fine in my hotel room in Frankfurt.

Great crew, excellent landing, good food. Over all great experience. Thank you!

Not pleasant trip cross country when the entertainment and WiFi system not working. No entertainment for entirety of route. Staff was rather nonchalant in that they dismissed the problem due to age of plane. It would have been nice to know this up front so I could have come prepared to read or download movies before boarding Coincidentally or not, there was a similar issue with the entertainment system on my previous flight I took on my fist leg of the trip. There are no seat TVs, so you must rely on the app when it works. United can do better. Also, what use it it to pay for boarding group 2 when half of the passengers are in the same line as you?

Crew was dismissive. Snacks and refills not offered. Poor business class experience. Bed not comfortable compared to Emirates or BA.

Flight was delayed for 5 hours because crew didn’t have enough time to rest - this seems like it could have been avoided with better scheduling. Food was not good.

IAD with the archaic people movers is just a place to be avoided.

Overall, it was good. I was seating next to a wonderful lady and did not notice how time flew. Thanks

It was ok. It was expensive to check 2 bags ($75.00 per bag), and then it took a long time to wait for shuttle to take us from one terminal to the terminal where the plane was taking off at LAX. And all of this for a flight where we had to pay for any food or drink that was not water.

It didn’t happen. I booked it and then was told it wasn’t available and then forced to pay far higher prices for a worse option

A 630departure flight Delayed 6hours! They changed my gate, I moved to the new gate. Had our flight on the screen for 12noon departure. I go get above to eat, check screen again and the flight was gone, no notice no announcement, nothing!! They sent my bag on the flight I wasn’t on, got it back to me 3days later. Thank goodness they did refund my money but I will NEVER fly them again.

Due to weather, my flight was delayed, further delayed, then canceled. I eventually got through to a support person who helped me find a different route out of MSP, but to get to DIA, they didn't want to, but eventually did help with the connection ticket purchase. But even this replacement flight was delayed time and time again, and I would have missed my connecting flights and I didn't want to get stuck in a layover city, so after 12 hours at the airport with two young boys who were very tired, we just cancelled our plans and spent the week at home, instead of Nana's.

Plane and crew on board were fine. Everything else was terrible.

The third party booking with cheapflightsfares was awful. Kayak should NOT partner with them. They sold me a bundle including seat selection and carry-on, but did not book the carry-ons with Frontier, so I’m out of pocket for $414 more while I await resolution.

This company socks. It's fraud. They canceled our flight yesterday, and today we were late because of a really long line at the check in bag. At the rebook station, there was ton of people. The workers were all rude. I am gonna make a report to FTC.

One of the worst travel experiences I've had. Had a flight scheduled with CVG to RSW on VLSWQX this morning departing at 5:30. Two individuals at the gate and one was in training. Not her fault but she didn't have the ability to check people in resulting in at least 15 families that didn't make it on the plane because they weren't checked into the system in time. When arriving at the airport to drop off our prepaid checked bags, the bag drop off agent asked if we could check our bags at the gate because of the long line. We said no problem so arrived at the gate by 5:00. They told those people that had previously paid for checked bags to stand off to the side while they let others that either didn't have a checked bag or their bag was already on the plan through. Realizing the gate workers had an issue, they either called for help or this lady showed up late for work as she didn't arrive until 5:15. The worker who had been there training the other individual and working diligently to make sure all passengers got on board. He even said that at one point all people that are currently in line are fine but asked the person in training to stand outside the ticketing area around 5:15 to notify any late travels that the flight was in boarding process and they arrrived too late. At that point, we're sill standing off to the side with our pre-paid checked bags patiently waiting. When the new lady arrived she couldn't have been more rude. It was an awful seen. Essentially they had asked for those without an assigned seat to board last, those with pre-paid checked bag stand off to the site and any traveling with a larger items that needed to be checked at the gate (such as a stroller), wait on the side. They realized that the flight needed to leave on time so the gate attendant shut the gate. So anyone without a seat assignment, those that had pre-checked bags, and the worst one I saw was a mother with two infant children was in line with use because she was asked to stand to the side because her stroller. When they shut the door to the plan they told her she could no longer get on. Her checked bags were already on the plane with her car keys in them, and the lady told her we couldn't accept anyone else on because the door was shut. She didn't even have a way to get home from the airport. Truely evil behavior. I've flown Frontier enough to know customer service is not a top priority in the company's mission, but this was an all-time low. I'm sending this after an 18 hour drive that our family just completed to Bonita Springs . I felt really bad for the lady being trained and the other individual trying to help, but when the new lady came to the gate she was truly one of the rudest individuals I've ever met. One lady had been there since 4am but because she didn't have an assigned seat they wouldn't let her on the plan.

I loved the staff on the plane. So friendly and helpful! However, there was an argument and misunderstanding by the staff and a customer at the gate, and the staff member was being unprofessional. When we arrived in Atlanta, we waited 1.5 hrs for our luggage to arrive. When I asked the airport attendant, they said Frontier had the longest wait for luggage out of any airlines, and that they could not be held responsible for the delay.

Not clean and was told I would get a great seat and it was not great at all

Everything you need to know for your flight from Las Vegas to Dulles Intl

Information on your arrival and departure airports