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Cheap Flights from Los Angeles (LAX) to Washington D.C. (IAD)

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      Compare Los Angeles International to Washington Dulles flight deals

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

      Book the best Washington Dulles fare with no extra fees

      Flight deals from Los Angeles International to Washington Dulles

      Looking for a cheap last-minute deal or the best return flight from Los Angeles International Airport to Washington Dulles Airport? If you want to travel next month, return fares start from $245. Find the lowest prices on one-way and return tickets right here.
      Washington D.C..$245 per passenger.Departing Wed, 7 Oct, returning Tue, 13 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Los Angeles International on Wed, 7 Oct, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Tue, 13 Oct, arriving in Los Angeles International.Price includes taxes and charges.From $245, select.
      Washington D.C..$331 per passenger.Departing Wed, 30 Sep, returning Tue, 6 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 Tue, 6 Oct, arriving in Los Angeles International.Price includes taxes and charges.From $331, select.
      Washington D.C..$331 per passenger.Departing Fri, 30 Oct, returning Sat, 14 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Los Angeles International on Fri, 30 Oct, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Sat, 14 Nov, arriving in Los Angeles International.Price includes taxes and charges.From $331, select.
      Washington D.C..$331 per passenger.Departing Thu, 12 Nov, returning Sat, 14 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Los Angeles International on Thu, 12 Nov, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Sat, 14 Nov, arriving in Los Angeles International.Price includes taxes and charges.From $331, select.
      Washington D.C..$377 per passenger.Departing Fri, 4 Dec, returning Sat, 5 Dec.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Fri, 4 Dec, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sat, 5 Dec, arriving in Los Angeles International.Price includes taxes and charges.From $377, select.
      Washington D.C..$378 per passenger.Departing Fri, 16 Oct, returning Sat, 17 Oct.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Fri, 16 Oct, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sat, 17 Oct, arriving in Los Angeles International.Price includes taxes and charges.From $378, select.
      Washington D.C..$385 per passenger.Departing Sat, 14 Nov, returning Sun, 10 Jan.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Sat, 14 Nov, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 10 Jan, arriving in Los Angeles International.Price includes taxes and charges.From $385, select.
      Washington D.C..$385 per passenger.Departing Tue, 13 Apr, returning Sun, 18 Apr.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Tue, 13 Apr, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 18 Apr, arriving in Los Angeles International.Price includes taxes and charges.From $385, select.
      Washington D.C..$385 per passenger.Departing Tue, 27 Oct, returning Tue, 3 Nov.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Los Angeles International on Tue, 27 Oct, arriving in Washington Dulles.Inbound direct flight with American Airlines departs from Washington Dulles on Tue, 3 Nov, arriving in Los Angeles International.Price includes taxes and charges.From $385, select.
      Washington D.C..$385 per passenger.Departing Tue, 22 Dec, returning Tue, 5 Jan.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Tue, 22 Dec, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 5 Jan, arriving in Los Angeles International.Price includes taxes and charges.From $385, select.
      Washington D.C..$385 per passenger.Departing Fri, 12 Mar, returning Fri, 26 Mar.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Fri, 12 Mar, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Fri, 26 Mar, arriving in Los Angeles International.Price includes taxes and charges.From $385, select.
      Washington D.C..$385 per passenger.Departing Thu, 18 Feb, returning Sun, 21 Feb.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Thu, 18 Feb, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 21 Feb, arriving in Los Angeles International.Price includes taxes and charges.From $385, select.
      Washington D.C..$385 per passenger.Departing Sun, 10 Jan, returning Sat, 16 Jan.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Sun, 10 Jan, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sat, 16 Jan, arriving in Los Angeles International.Price includes taxes and charges.From $385, select.
      Washington D.C..$385 per passenger.Departing Fri, 6 Nov, returning Sun, 8 Nov.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Fri, 6 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 $385, select.
      Washington D.C..$386 per passenger.Departing Mon, 28 Sep, returning Sun, 4 Oct.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Mon, 28 Sep, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 4 Oct, arriving in Los Angeles International.Price includes taxes and charges.From $386, select.
      Washington D.C..$386 per passenger.Departing Thu, 26 Nov, returning Fri, 4 Dec.Return flight with United.Outbound direct flight with United departs from Los Angeles International on Thu, 26 Nov, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Fri, 4 Dec, arriving in Los Angeles International.Price includes taxes and charges.From $386, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Los Angeles International to Washington Dulles found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from Los Angeles International 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 International to Washington Dulles flights are currently cheapest in October.
      Sep
      from $394
      Oct
      from $245
      Nov
      from $331
      Dec
      from $377
      Jan
      from $385
      Feb
      from $385
      Mar
      from $385
      Apr
      from $385
      May
      from $454
      Jun
      from $552
      Jul
      from $703
      Aug
      from $2,507

      Direct flights from Los Angeles International to Washington Dulles

      Air China
      Air New Zealand
      American Airlines
      Asiana Airlines
      Austrian Airlines
      Brussels Airlines
      Cathay Pacific
      EgyptAir
      Ethiopian Airlines
      ITA Airways
      Lufthansa
      United
      Virgin Australia

      Los Angeles International to Washington Dulles: Alternative routes

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

      Washington Ronald Reagan

      5km from central Washington D.C.
      Closest
      from $320
      Search flights

      Washington Dulles

      37km from central Washington D.C.
      Cheapest
      from $245
      Search flights

      Baltimore Washington International

      44km from central Washington D.C.
      from $323
      Search flights

      Los Angeles to Washington D.C.: Flight information

      The things to know before you go.
      Cheapest flight found$245
      Cheapest month to flyOctober
      Average flight time4 hrs, 56 mins
      Most popular airlineUnited
      Average flights per week247

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

      The best price we found for a return flight from Los Angeles International to Washington Dulles is $245. 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.
      4 hours and 56 minutes is the average flight time from Los Angeles International to Washington Dulles.
      United, Air New Zealand and Virgin Australia fly direct from Los Angeles International to Washington Dulles.
      As of September 2026, there are 247 flights per week flying from Los Angeles International to Washington Dulles.
      The cheapest month to fly from Los Angeles International to Washington Dulles is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Los Angeles International Airport to Washington Dulles Airport on Wednesday, 7 October 2026.
      Yes – the average flight time is 4 hours and 56 minutes.
      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.

      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.

      Currently, Frontier Airlines and United offer the cheapest flight tickets to Washington Dulles.

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

      • The average length of a direct flight from Los Angeles International Airport to Washington Dulles Airport is 5 hours.

      • The timezone in Washington DC is UTC-5, which is three hours ahead of Los Angeles.

      • There are 53 Los Angeles International Airport to Washington Dulles Airport flights each week to choose from.

      • Arrive at the airport on time so you don't miss your LAX to IAD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

      • Travelling during a peak month like July? Major public holidays and other popular periods can lead to longer queues at airport checkpoints. Play it safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

      • United offers direct flights from Los Angeles International Airport to Washington Dulles Airport. Book with this popular airline, then get ready to tick off the sights in Washington DC — and maybe even more of the United States if time allows.

      • Most travellers choose to travel with United on this route.

      • With an impressive 85.09% of services arriving as planned, United is the most punctual carrier offering LAX to IAD flights.

      • If you'd like to add a stop to your trip, simply deselect 'Direct flights only' when searching for your ticket from Los Angeles International Airport to Washington Dulles Airport. Here are the most popular stopovers between LAX and IAD:

        • Denver International Airport

        • Phoenix Sky Harbour Airport

        • Kansas City International Airport

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

      • At the moment, $152 is the cheapest price we've found for a one-way Los Angeles International Airport to Washington Dulles Airport flight. The best price for a return plane ticket is $245. Remember that fares can change due to availability at the time of booking.

      • To secure cheap tickets from LAX to IAD, reserve your journey two months ahead of your departure date.

      • The cheapest month for flights from Los Angeles International Airport to Washington Dulles Airport is July. Use the 'Whole month' tool to see the lowest airfares if you have a flexible travel schedule.

      • Cut down on the time spent looking for cheap flights from LAX to IAD by setting up a Price Alert. We'll send you an email or push notification on the app when a lower fare becomes available.

      • Pick your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Los Angeles International Airport to Washington Dulles Airport.

      Handy information about Los Angeles International Airport (LAX)

      • You'll find LAX at One World Way.

      • 80% of flights leaving Los Angeles International Airport touch down at their destination as planned. Given its impressive on-time stats, disruptions are unlikely when setting off from LAX.

      • Los Angeles International Airport is around 29 kilometres from central Los Angeles. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 35 minutes or so to get there, depending on the traffic.

      • Planning to catch public transport? Expect a trip time of around 1 hour.

      • Have an early flight from Los Angeles International Airport to Washington Dulles Airport? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these stays close to LAX:

      Arriving at Washington Dulles Airport (IAD)

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

      • IAD is located at 1 Saarinen Circle.

      • Washington Dulles Airport is approximately 40 kilometres from the centre of Washington DC. The drive time takes around 45 minutes.

      • It takes around 1 hour 10 minutes to get there by public transport.

      When to fly to Washington Dulles Airport (IAD)

      • The quietest month for a flight from Los Angeles International Airport to Washington Dulles Airport is February, while July is the busiest. Pick the ideal time to visit Washington DC based on whether you prefer a more fast-paced or easygoing experience.

      • Lock in your flight from Los Angeles International Airport to Washington Dulles Airport for July if you want to explore Washington DC during its warmest month. You can expect temperatures of between 19ºC (66ºF) and 33ºC (91ºF).

      • If you like travelling in cooler conditions, search for a cheap ticket from LAX to IAD in January. Average temperatures are between -6ºC (21ºF) and 10ºC (50ºF) then.

      Explore more of the United States

      • You've seen Washington DC, now it's time to discover other parts of the United States. Journey around 322 kilometres north-east to New York to check off its leading sights. From Central Park to Statue of Liberty and Metropolitan Museum of Art, you'll have a packed itinerary ahead.

      • Around 193 kilometres north-east of Washington DC, Philadelphia is another favourite stop in the United States. No visit is complete without checking out Independence Hall, Liberty Bell and Philadelphia Museum of Art.

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      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.