LAX - IAD

$164 Find Cheap Flights from Los Angeles to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Los Angeles to Dulles Intl departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Los Angeles to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Los Angeles to Washington, D.C., as well as popular online travel agencies
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Los Angeles to Dulles Intl (LAX-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Los Angeles to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Los Angeles to Dulles Intl

Fri, 10 Oct - Sun, 12 Oct
United Airlines Logo
22:35 - 06:39LAX-IAD
5h 04mdirect
United Airlines Logo
07:00 - 09:25IAD-LAX
5h 25mdirect
$296United Airlines
Find Deal
Mon, 29 Sep - Thu, 2 Oct
Frontier Logo
13:08 - 00:15LAX-IAD
8h 07m1 stop
Frontier Logo
10:17 - 17:20IAD-LAX
10h 03m1 stop
$305Frontier
Find Deal
Thu, 30 Oct - Thu, 6 Nov
 Logo
22:53 - 16:34LAX-IAD
14h 41m1 stop
 Logo
06:00 - 12:28IAD-LAX
9h 28m1 stop
Mon, 24 Nov - Mon, 5 Jan
Southwest Logo
08:35 - 19:00LAX-IAD
7h 25m1 stop
Southwest Logo
05:05 - 10:05IAD-LAX
8h 00m1 stop
$356Southwest
Find Deal
Fri, 10 Oct - Sun, 12 Oct
United Airlines Logo
21:35 - 05:38LAX-IAD
5h 03mdirect
United Airlines Logo
07:00 - 09:25IAD-LAX
5h 25mdirect
$359United Airlines
Find Deal
Mon, 24 Nov - Mon, 5 Jan
Southwest Logo
08:35 - 19:00LAX-IAD
7h 25m1 stop
Southwest Logo
13:50 - 22:00IAD-LAX
11h 10m2 stops
$363Southwest
Find Deal
Mon, 29 Sep - Thu, 2 Oct
 Logo
22:35 - 19:55LAX-IAD
18h 20m2 stops
 Logo
13:55 - 21:45IAD-LAX
10h 50m1 stop
Wed, 1 Oct - Wed, 8 Oct
Alaska Airlines Logo
10:00 - 00:23LAX-IAD
11h 23m1 stop
Alaska Airlines Logo
06:25 - 13:09IAD-LAX
9h 44m1 stop
$384Alaska Airlines
Find Deal
Fri, 14 Nov - Tue, 18 Nov
Alaska Airlines Logo
20:30 - 16:40LAX-IAD
17h 10m1 stop
Alaska Airlines Logo
17:40 - 11:38IAD-LAX
20h 58m2 stops
$396Alaska Airlines
Find Deal
Tue, 7 Oct - Wed, 8 Oct
Hawaiian Airlines Logo
10:00 - 00:23LAX-IAD
11h 23m1 stop
Hawaiian Airlines Logo
06:25 - 13:09IAD-LAX
9h 44m1 stop
$414Hawaiian Airlines
Find Deal

Everything you should know

Our travellers' advice
AI-generated summary based on content written by KAYAK users
Bring your own food for Alaska Airlines flights.
Allow extra time for traffic to Los Angeles Airport.
User tips
User tips
User tips
User tips
When to book
4 weeks
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
May
Cheapest • 17% price drop
October
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
$296
Overall average: $566
United Airlines
Fri 10/10Sun 12/10
LAX - IAD • Direct
Cheapest direct flights
$296
Typical prices: $476-779
United Airlines
Fri 17/10Wed 22/10
LAX - IAD • Direct
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Dulles Intl!
Booking Insights

KAYAK's insights & trends for Los Angeles to Dulles Intl flights

Get data-powered insights and trends into flights from Los Angeles to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Los Angeles to Washington Dulles Airport?

The average price of all round-trip flights from Los Angeles to Washington, D.C. Dulles Intl Airport clicked on KAYAK for each day over the last 12 months.

When flying from Los Angeles to Washington Dulles Airport, you should consider leaving on a Tuesday and avoid Mondays if you are looking for the best rates. For your return to Los Angeles, you’ll find the best rates on Tuesdays and the most expensive ones on Wednesdays.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Los Angeles to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Los Angeles to Washington, D.C. Dulles Intl Airport is May, where tickets cost $491 (return) on average. On the other hand, the most expensive months are December and November, where the average cost of round-trip tickets is $761 and $699 respectively.

Can I save money by flying with a stopover from Los Angeles to Washington, D.C. Dulles Intl Airport?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at $445 on average.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Los Angeles to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Los Angeles to Washington, D.C. Dulles Intl Airport, you should book around 4 weeks before departure, which saves you about 46% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$164
Best time to beat the crowds (3% less expensive on average)
Most popular time to fly and prices are also 4% lower on average.
Flight from Los Angeles to Washington Dulles Airport

When to book flights from Los Angeles to Dulles Intl

Are your dates flexible? Find out the best times to travel from Los Angeles to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Los Angeles to Dulles Intl: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Los Angeles to Dulles Intl 
karenFlew with Alaska AirlinesLAX-IADJune 2024
Personal tips are bring your own food if you're hungry; keep foot space as open as possible for leg room; pack your patience
Verified travelerFlew with Alaska AirlinesLAX-IADJune 2024
Get to the airport on time because traffic in LA is unexpected

FAQs for booking Los Angeles to Washington Dulles Airport flights

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

    In the last 3 days, the lowest price for a flight from Los Angeles to Washington, D.C. Dulles Intl Airport was $109 for a one-way ticket and $197 for a return.

  • Which airports will I be using when flying from Los Angeles to Washington Dulles Airport?

    On your way to Washington Dulles Airport, you’ll fly out from Los Angeles. You’ll be landing at Washington, D.C. Dulles Intl.

  • Which airlines offer Wi-Fi service onboard planes from Los Angeles to Washington Dulles Airport?

    All the following airlines offer inflight Wi-Fi service on the Los Angeles to Washington Dulles Airport flight route: Hawaiian Airlines, Alaska Airlines, American Airlines, JetBlue, Delta, United Airlines, and Lufthansa.

  • Which aircraft models fly most regularly from Los Angeles to Washington Dulles Airport?

    The Boeing 737 MAX 9 is the aircraft model that flies most regularly on the Los Angeles to Washington Dulles Airport flight route.

  • Which airline alliances offer flights from Los Angeles to Washington Dulles Airport?

    Star Alliance is the only airline alliance operating flights between Los Angeles and Washington Dulles Airport.

  • On which days can I fly direct from Los Angeles to Washington Dulles Airport?

    There are direct flights from Los Angeles to Washington Dulles Airport on a daily basis.

  • How does KAYAK find such low prices on flights from Los Angeles to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Los Angeles to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Los Angeles to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Los Angeles is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Los Angeles to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Washington Dulles Airport with an airline and back to Los Angeles with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Los Angeles to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Los Angeles up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Los Angeles to Washington, D.C. Dulles Intl?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Los Angeles to Washington, D.C. Dulles Intl.
Find which airlines fly direct from Los Angeles Airport to Washington, D.C. Dulles Intl Airport, which days they fly and book direct flights.

Direct departures

Los Angeles to Washington, D.C. Dulles Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Washington, D.C. Dulles Intl to Los Angeles

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Everything you need to know for your flight from Los Angeles to Dulles Intl

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.