Cheap Flights from Los Angeles to Washington Dulles

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Compare Los Angeles to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from Los Angeles to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Los Angeles to Washington Dulles Airport? If you want to travel next month, return fares start from $304. Find the lowest prices on one-way and return tickets right here.

Washington D.C..$304 per passenger.Departing Wed, 26 Aug, returning Thu, 27 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Los Angeles International on Wed, 26 Aug, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Thu, 27 Aug, arriving in Los Angeles International.Price includes taxes and charges.From $304, select.

Washington D.C..$304 per passenger.Departing Wed, 30 Sep, returning Wed, 7 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Los Angeles International on Wed, 30 Sep, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 7 Oct, arriving in Los Angeles International.Price includes taxes and charges.From $304, select.

Washington D.C..$304 per passenger.Departing Wed, 23 Sep, returning Sat, 26 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Los Angeles International on Wed, 23 Sep, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Sat, 26 Sep, arriving in Los Angeles International.Price includes taxes and charges.From $304, select.

Washington D.C..$304 per passenger.Departing Fri, 28 Aug, returning Wed, 9 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Los Angeles International on Fri, 28 Aug, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 9 Sep, arriving in Los Angeles International.Price includes taxes and charges.From $304, select.

Washington D.C..$304 per passenger.Departing Sat, 3 Oct, returning Mon, 5 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Los Angeles International on Sat, 3 Oct, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Mon, 5 Oct, arriving in Los Angeles International.Price includes taxes and charges.From $304, select.

Washington D.C..$304 per passenger.Departing Thu, 22 Oct, returning Wed, 4 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Los Angeles International on Thu, 22 Oct, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 4 Nov, arriving in Los Angeles International.Price includes taxes and charges.From $304, select.

Washington D.C..$429 per passenger.Departing Sat, 5 Sep, returning Sun, 6 Sep.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Sat, 5 Sep, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 6 Sep, arriving in Los Angeles International.Price includes taxes and charges.From $429, select.

Washington D.C..$430 per passenger.Departing Sat, 7 Nov, returning Sun, 8 Nov.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Sat, 7 Nov, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 8 Nov, arriving in Los Angeles International.Price includes taxes and charges.From $430, select.

Washington D.C..$438 per passenger.Departing Sat, 12 Dec, returning Mon, 14 Dec.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Sat, 12 Dec, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 14 Dec, arriving in Los Angeles International.Price includes taxes and charges.From $438, select.

Washington D.C..$438 per passenger.Departing Fri, 5 Feb, returning Mon, 8 Feb.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Fri, 5 Feb, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 8 Feb, arriving in Los Angeles International.Price includes taxes and charges.From $438, select.

Washington D.C..$438 per passenger.Departing Tue, 15 Sep, returning Thu, 1 Oct.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Tue, 15 Sep, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Thu, 1 Oct, arriving in Los Angeles International.Price includes taxes and charges.From $438, select.

Washington D.C..$438 per passenger.Departing Fri, 28 Aug, returning Mon, 14 Sep.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Fri, 28 Aug, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 14 Sep, arriving in Los Angeles International.Price includes taxes and charges.From $438, select.

Washington D.C..$438 per passenger.Departing Mon, 11 Jan, returning Mon, 18 Jan.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Mon, 11 Jan, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 18 Jan, arriving in Los Angeles International.Price includes taxes and charges.From $438, select.

Washington D.C..$438 per passenger.Departing Tue, 20 Oct, returning Tue, 3 Nov.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Tue, 20 Oct, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 3 Nov, arriving in Los Angeles International.Price includes taxes and charges.From $438, select.

Washington D.C..$438 per passenger.Departing Wed, 9 Dec, returning Fri, 8 Jan.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Wed, 9 Dec, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Fri, 8 Jan, arriving in Los Angeles International.Price includes taxes and charges.From $438, select.

Washington D.C..$438 per passenger.Departing Sat, 3 Oct, returning Mon, 5 Oct.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Sat, 3 Oct, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 5 Oct, arriving in Los Angeles International.Price includes taxes and charges.From $438, select.

Find the cheapest month to fly from Los Angeles to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Los Angeles to Washington Dulles flights are currently cheapest in August.

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Direct flights from Los Angeles to Washington Dulles

Los Angeles to Washington Dulles: Alternative routes

Compare routes from Los Angeles to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Los Angeles to Washington D.C.: Flight information

The things to know before you go.

Cheapest flight found	$304
Cheapest month to fly	September
Average flight time	4 hrs, 56 mins
Most popular airline	United
Average flights per week	464

Finding cheap flights from Los Angeles to Washington Dulles: Frequently asked questions

How much are return flights from Los Angeles to Washington Dulles?

The best price we found for a return flight from Los Angeles to Washington Dulles is $304. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Los Angeles to Washington Dulles?

4 hours and 56 minutes is the average flight time from Los Angeles to Washington Dulles.

Which airlines fly direct from Los Angeles to Washington Dulles?

United, Air New Zealand and Virgin Australia fly direct from Los Angeles to Washington Dulles.

How many flights are there a week from Los Angeles to Washington Dulles?

As of August 2026, there are 232 flights per week flying from Los Angeles to Washington Dulles.

When is the cheapest time to fly from Los Angeles to Washington Dulles?

The cheapest month to fly from Los Angeles to Washington Dulles is usually September.

Which upcoming date is cheapest to fly from Los Angeles to Washington Dulles Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Los Angeles to Washington Dulles Airport on Wednesday, 23 September 2026.

Can I get a direct flight from Los Angeles to Washington Dulles Airport?

Yes – the average flight time is 4 hours and 56 minutes.

How can I find the best flight deal to Washington Dulles?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Washington D.C.?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Los Angeles to Washington Dulles International Airport (IAD): What you need to know

Put your plans into motion at Los Angeles International Airport (LAX), the main airport in Los Angeles. Look for flights from Los Angeles to Washington Dulles International Airport (IAD) that depart from this terminal.
Around 4 hours 50 minutes is how long you can expect to be travelling on a direct Los Angeles to Washington Dulles International Airport flight.
The timezone in Washington DC is UTC-5, which is three hours ahead of Los Angeles. Washington Dulles International Airport is located in Washington DC.
Los Angeles International Airport (LAX) to Washington Dulles International Airport (IAD) is the most popular route. There are 45 direct departures a week to choose from. If you have plans before you fly, hop on the last flight with United Airlines at 11:59pm. Go for the first LAX to IAD departure with United Airlines at 12:10am if you'd rather get a move on.
Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Be at the airport on time to catch your flight from Los Angeles to IAD.
Getting away during a peak time like December? Popular periods (like spring break and Thanksgiving) can easily add another hour at security. Play things extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

Airports in Los Angeles

Los Angeles International Airport (LAX)

You can jump on a direct flight from Los Angeles to Washington Dulles International Airport (IAD) departing from Los Angeles International Airport (LAX).
United Airlines is a well-known carrier that offers direct flights from Los Angeles to Washington Dulles International Airport taking off from LAX.
The most frequently booked airline between LAX and IAD is United.
With a reliable 81.38% of services arriving as planned, United ranks as the most on-time carrier flying this route.
LAX is about 29 kilometres from central Los Angeles. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 35 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the trip time to be around 1 hour.
Planning to catch an early flight from Los Angeles to Washington Dulles International Airport? Avoid the stress of rushing to the terminal (and sneak in some bonus sleep) by staying at one of these stays near Los Angeles International Airport:
Los Angeles International Airport has a strong on-time performance, so you're less likely to experience disruptions. Departures from LAX land at their destination as scheduled 81% of the time.
LAX's address is One World Way.

Van Nuys Airport (VNY)

You can get to VNY from central Los Angeles in approximately 35 minutes by car, depending on traffic. The ride by public transport will take roughly 1 hour 15 minutes to travel the 29 kilometres or so.
Catching an early morning flight? You might like to check in to one of these accommodation options near Van Nuys Airport the day before your Los Angeles to IAD flight:

About Washington Dulles International Airport (IAD)

Consider booking a hotel close to IAD if you have a late flight from Los Angeles to Washington Dulles International Airport. Pick one of these options and end the night sooner:
Get on the fast track to adventure by picking up a Washington Dulles International Airport rental car. Grab a set of wheels from Dollar, Thrifty or Sixt and explore beyond Washington DC's main sights.
Booking your ride around one week in advance of your Los Angeles to Washington Dulles International Airport flight can help you secure the lowest rate.
IAD is located at 1 Saarinen Circle.

Getting from Washington Dulles International Airport (IAD) to central Washington DC

Washington Dulles International Airport is around 40 kilometres from central Washington DC. It takes around 45 minutes or so to drive to the city.
If you're travelling on public transport, expect a journey time of roughly 1 hour 10 minutes.

How to find the cheapest flights from Los Angeles to Washington Dulles International Airport (IAD)

Currently, $134 is the lowest price we've found for a one-way ticket from Los Angeles to Washington Dulles International Airport. The cheapest price for a return flight is $304. Remember fares may change due to availability at the time of booking.
Get cheap flights from Los Angeles to IAD by booking two months ahead. According to our research, that's the ideal time frame for finding the biggest deals.
July is when you're most likely to find a fantastic deal on a Los Angeles to Washington Dulles International Airport ticket. If you'd like to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.
You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll notify you when a new deal shows up on plane tickets from Los Angeles to IAD.
Tailor your trip using filters. Choose your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Los Angeles to Washington Dulles International Airport.

The best time to fly from Los Angeles to Washington Dulles International Airport (IAD)

May is the busiest month for flights from Los Angeles to Washington Dulles International Airport (IAD). Plan your visit to Washington DC in February for a more low-key escape.
When booking your Los Angeles to IAD plane ticket, consider what kind of weather works for you. July is the warmest month in Washington DC, with temperatures ranging from 19ºC to 33ºC.
January sees temperatures of between -6ºC and 10ºC. Look for cheap tickets from Los Angeles to Washington Dulles International Airport around that time if you like cooler conditions.

More about Washington DC

When it comes to looking for somewhere to rest your head, you'll find the best stays in Washington DC right here. Explore these hotels after locking in your flight from Los Angeles to Washington Dulles International Airport:
There are loads of things to do in Washington DC when you're ready to get out and sightsee. Kick off your itinerary at Lincoln Memorial followed by The White House and Smithsonian National Museum of Natural History.

Explore more of the United States

Washington DC is always a good idea, but there are so many other parts of the United States just waiting to be explored. Around 225 kilometres northeast of Washington DC, a visit to Philadelphia will keep you on the move. Don't miss top attractions like Independence Hall, Liberty Bell and Philadelphia Museum of Art.
Virginia Beach is another sought-after destination in the United States and is around 274 kilometres southeast of Washington DC. No trip is complete without seeing Virginia Beach Oceanfront, Virginia Beach Boardwalk and Resort Beach.