Cheap flights from Las Vegas to Washington, D.C. from $74
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Washington, D.C. departing on 8/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from Las Vegas to Washington, D.C. Dulles Intl Airport
Our best Frontier deals on Las Vegas to Washington, D.C. Dulles Intl Airport flight tickets
Delta flights from Las Vegas to Washington, D.C. Dulles Intl Airport
Our best Delta deals on Las Vegas to Washington, D.C. Dulles Intl Airport flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Las Vegas to Washington, D.C. Dulles Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?
In general, May is the cheapest month to fly from Las Vegas to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $254. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $317.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $411. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Las Vegas to Washington, D.C. Dulles Intl Airport for around $621.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Flying to Washington, D.C. Dulles Intl Airport from Las Vegas in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $377 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $640 on average. Flights to Washington, D.C. Dulles Intl Airport from Las Vegas in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl flight route?
Fly from Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl for the best Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl flight prices
How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?
You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Las Vegas when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $416 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Las Vegas for as low as $242 on momondo.
What cabin class options are available on Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl flights?
There are 4 cabin classes available to choose from on Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl?
Frontier, United Airlines, and Hawaiian Airlines are the most popular carriers operating from Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl
What airlines fly to Washington, D.C. Dulles Intl Airport?
United Airlines, Frontier and Delta are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Las Vegas according to our data. United Airlines is the first choice among our users, with 76% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 5 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Las Vegas to Washington, D.C. Dulles Intl Airport on average per day?
As of June 2025, 6 flights take off from Las Vegas and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 7:00AM, with 64% of daily flights taking off at noon.
How many flights depart from Las Vegas to Washington, D.C. Dulles Intl Airport on average per week?
As of June 2025, 44 flights take off from Las Vegas and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Wed, with 18% of weekly flights taking off on this day.
When to book flights from Las Vegas to Washington, D.C. Dulles Intl Airport
Cheap Las Vegas to Washington, D.C. Dulles Intl Airport (LAS to IAD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Washington, D.C. Dulles Intl Airport
How far is Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl by plane?
There are 2056.9 mi between Las Vegas Harry Reid Intl and Washington, D.C. Dulles Intl. By plane, this route typically takes 4h 28m.
When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport?
The number of operators available for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport is 5 as of June 2025.
How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Las Vegas to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between Las Vegas and Washington, D.C. Dulles Intl Airport, the leading plane model is Boeing 737-800, making up 16.30% of the total bookings. Other popular models include Airbus A320neo with 14.98%, Boeing 737-900 with 14.12%, and Airbus A321neo with 13.66%.
What is the most popular airline from Las Vegas to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Las Vegas to Washington, D.C. Dulles Intl Airport is United Airlines, representing 74% of all bookings. The subsequent popular airlines are Frontier at 13%, Delta at 7%, and Southwest at 3%.
Best airlines flying from Las Vegas to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from Las Vegas to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $134 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $272 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $276 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $332 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $368 | Free Cancellation | Rating 7.2 10,000 reviews |
United Airlines Flights From Las Vegas to Washington, D.C. Dulles Intl Airport
United Airlines flight deals from Las Vegas to Washington, D.C. Dulles Intl Airport start from $272 round-trip. Over the 23 United Airlines flights for this route in a normal week, average airfare is usually $455 round-trip - but some users have found much cheaper deals with momondo.
Frontier Flights From Las Vegas to Washington, D.C. Dulles Intl Airport
The best Frontier deal for Las Vegas to Washington, D.C. Dulles Intl Airport flight tickets found on momondo in the last 72 hours was $134, round-trip. It should be noted that an average Frontier flight deal for this route in this time was higher, at $216 round-trip. Frontier operates 7 flights out of Las Vegas into Washington, D.C. Dulles Intl Airport in an average week, so prices vary by time and availability. 3,295 Frontier reviews by users on momondo have scored the airline at 5.9/10.
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Why should I use momondo to find a flight deal from Las Vegas to Washington, D.C.?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Las Vegas to Washington, D.C. for you.
Can I find flights from Las Vegas to Washington, D.C. with flexible booking policies on momondo?
Yes. All flights to Washington, D.C. from Las Vegas on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Las Vegas to Washington, D.C.?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Las Vegas to Washington, D.C..
I’m not ready to book a flight from Las Vegas to Washington, D.C. right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Las Vegas to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.