Question 1

How often are flights from Las Vegas to Washington, D.C. delayed?

Accepted Answer

Historically, on average around 10% of flights between Las Vegas and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 156 minutes.

Question 2

Can stopping save me money on Las Vegas to Washington, D.C. Dulles Intl Airport flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Las Vegas to Washington, D.C. Dulles Intl Airport.

Question 3

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Accepted Answer

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 $283 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $617 on average. Flights to Washington, D.C. Dulles Intl Airport from Las Vegas at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Question 4

What airlines fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

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 68% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 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.

Question 5

What is the most punctual flight time for Las Vegas to Washington, D.C. flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Question 6

Which airline has the best punctuality record on Las Vegas to Washington, D.C. flights?

Accepted Answer

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

Question 7

How many flights depart from Las Vegas to Washington, D.C. Dulles Intl Airport on average per day?

Accepted Answer

As of January 2026, 5 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 8:00AM, with 46% of daily flights taking off at noon.

Question 8

How have Las Vegas to Washington, D.C. Dulles Intl Airport flight prices changed over time?

Accepted Answer

As of January 2026, prices for Las Vegas to Washington, D.C. Dulles Intl Airport flights are approximately 24% more expensive when compared to flights at the same time last year.

Question 9

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

Accepted Answer

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $367 when searching 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 $273 on momondo.

Question 10

What cabin class options are available on Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl flights?

Accepted Answer

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.

Question 11

What is the cheapest Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl flight route?

Accepted Answer

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

Question 12

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Accepted Answer

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 $353. 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 $653.

Question 13

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Question 14

What is the typical price of a round-trip flight between Las Vegas and Washington, D.C. Dulles Intl Airport?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $394 to $536.
The lowest price recently found on this route was $219.

Question 15

What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl?

Accepted Answer

Frontier, Alaska Airlines, and United Airlines are the most popular carriers operating from Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl

Question 16

How many flights depart from Las Vegas to Washington, D.C. Dulles Intl Airport on average per week?

Accepted Answer

As of January 2026, 39 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 Mon, with 15% of weekly flights taking off on this day.

Question 17

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

Accepted Answer

In general, July 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 $237. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $254.

Question 18

When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Prices for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport are updated daily.

Question 19

How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The number of operators available for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport is 3 as of January 2026.

Question 20

How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

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.

Question 21

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

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.

Best Price Found	$199
Fastest flight time	4h 22m
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Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $128	Free Cancellation	Rating 5.7 3,056 reviews	Search Frontier flights
United Airlines	PriceFrom $221	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights
Delta	PriceFrom $256	Free Cancellation	Rating 7.9 8,127 reviews	Search Delta flights

Cheap flights from Las Vegas to Washington, D.C. from $126

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 2/17. 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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How to get the cheapest flight ticket from Las Vegas to Washington, D.C. Dulles Intl Airport

What is the typical price of a round-trip flight between Las Vegas and Washington, D.C. Dulles Intl Airport?

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

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

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?

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.

Can stopping save me money on Las Vegas to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Las Vegas to Washington, D.C. Dulles Intl Airport.

How have Las Vegas to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of January 2026, prices for Las Vegas to Washington, D.C. Dulles Intl Airport flights are approximately 24% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl?

Frontier, Alaska Airlines, and United 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?

How often are flights from Las Vegas to Washington, D.C. delayed?

Historically, on average around 10% of flights between Las Vegas and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 156 minutes.

What is the most punctual flight time for Las Vegas to Washington, D.C. flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Las Vegas to Washington, D.C. flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

How many flights depart from Las Vegas to Washington, D.C. Dulles Intl Airport on average per day?

As of January 2026, 5 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 8:00AM, with 46% 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 January 2026, 39 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 Mon, with 15% 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

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How far is Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl by plane?

When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport?

How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport?

How old do you have to be to fly 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?

What is the most popular plane model from Las Vegas to Washington, D.C. Dulles Intl Airport?

What is the most popular airline from Las Vegas to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Las Vegas to Washington, D.C. Dulles Intl Airport

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