Question 1

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 Los Angeles 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 £291 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Los Angeles for as low as £239 on momondo.

Question 2

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

Accepted Answer

152 flights are operational weekly from Los Angeles to Washington, D.C. Dulles Intl Airport as of December 2025. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.

Question 3

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

Accepted Answer

According to our data, Sunday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Los Angeles. The lowest ticket price found for a Sunday departure recently was £454. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Tuesday is the most expensive day to depart from Los Angeles because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,527.

Question 4

What is the cheapest airline that flies from Los Angeles to Washington, D.C. Dulles Intl?

Accepted Answer

Southwest and United Airlines are the most popular carriers operating from Los Angeles to Washington, D.C. Dulles Intl

Question 5

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

Accepted Answer

As of December 2025, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 46% more expensive when compared to flights at the same time last year.

Question 6

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

Accepted Answer

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 7

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

Accepted Answer

As of December 2025, there are 21 flights per day flying from Los Angeles to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 23:00, with 55% of flights taking off at midday.

Question 8

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

Accepted Answer

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the evening when flights can be purchased for as low as £570. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is in the morning when prices are around £752.

Question 9

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

Accepted Answer

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

Question 10

What is the cheapest Los Angeles to Washington, D.C. Dulles Intl flight route?

Accepted Answer

Fly from Los Angeles to Washington, D.C. Dulles Intl for the best Los Angeles - Washington, D.C. Dulles Intl flight prices

Question 11

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

Accepted Answer

According to our data, Alaska Airlines have had the fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

Question 12

How often are flights from Los Angeles to Washington, D.C. delayed?

Accepted Answer

Historically, on average around 10% of flights between Los Angeles and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 139 minutes.

Question 13

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

Accepted Answer

The month of May is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Los Angeles, with most prices found around £244. If you aren’t able to travel during the month of May, then book flights to Washington, D.C. Dulles Intl Airport from Los Angeles during July instead. Flights to Washington, D.C. Dulles Intl Airport in July, while not as cheap as those in May, still average around £252.

Question 14

What cabin class options are available on Los Angeles to Washington, D.C. Dulles Intl flights?

Accepted Answer

There are 3 cabin classes available to choose from on Los Angeles 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 15

When did momondo last update prices for flights from Los Angeles Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Prices for flights from Los Angeles Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

Question 16

How old do you have to be to fly from Los Angeles 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 Los Angeles Airport to Washington, D.C. Dulles Intl Airport.

Question 17

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

Accepted Answer

The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Fastest flight time	10h 15m
Direct flights	Every day

Cheap flights from Los Angeles to Washington, D.C. from £108

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Washington, D.C. departing on 13/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Los Angeles to Washington, D.C.

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Southwest flights from Los Angeles to Washington, D.C. Dulles Intl Airport

Our best Southwest deals on Los Angeles to Washington, D.C. Dulles Intl Airport flight tickets

Delta flights from Los Angeles to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Los Angeles to Washington, D.C. Dulles Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Los Angeles to Washington, D.C. Dulles Intl Airport that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Los Angeles to 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?

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the evening when flights can be purchased for as low as £570. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is in the morning when prices are around £752.

What is the cheapest Los Angeles to Washington, D.C. Dulles Intl flight route?

Fly from Los Angeles to Washington, D.C. Dulles Intl for the best Los Angeles - 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 Los Angeles to Washington, D.C. Dulles Intl flights?

There are 3 cabin classes available to choose from on Los Angeles 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.

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

As of December 2025, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 46% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Los Angeles to Washington, D.C. Dulles Intl?

Southwest and United Airlines are the most popular carriers operating from Los Angeles to Washington, D.C. Dulles Intl

How often are flights from Los Angeles to Washington, D.C. delayed?

Historically, on average around 10% of flights between Los Angeles and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 139 minutes.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Alaska Airlines have had the fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

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

As of December 2025, there are 21 flights per day flying from Los Angeles to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 23:00, with 55% of flights taking off at midday.

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

152 flights are operational weekly from Los Angeles to Washington, D.C. Dulles Intl Airport as of December 2025. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.

When to book flights from Los Angeles to Washington, D.C. Dulles Intl Airport

Cheap Los Angeles to Washington, D.C. Dulles Intl Airport (LAX to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Los Angeles to Washington, D.C. Dulles Intl Airport

Fastest flight time

Direct flights

How far is Los Angeles to Washington, D.C. Dulles Intl by plane?

When did momondo last update prices for flights from Los Angeles Airport to Washington, D.C. Dulles Intl Airport?

How old do you have to be to fly from Los Angeles 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 Los Angeles to Washington, D.C. Dulles Intl Airport?

Travelling to a place near Washington, D.C.?

Why use momondo?

Why should I use momondo to find a flight deal from Los Angeles to Washington, D.C.?

Can I find flights from Los Angeles to Washington, D.C. with flexible booking policies on momondo?

How can momondo help me find flights from Los Angeles to Washington, D.C.?

I’m not ready to book a flight from Los Angeles to Washington, D.C. right now. Can momondo alert me if prices change?

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo