LAX - IAD

$179 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 21/2. 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
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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

Wed, 26 Nov - Fri, 5 Dec
United Airlines Logo
13:30 - 21:25LAX-IAD
4h 55mdirect
United Airlines Logo
22:08 - 00:59IAD-LAX
5h 51mdirect
$349United Airlines
Find Deal
Wed, 3 Dec - Tue, 9 Dec
Southwest Logo
12:40 - 22:00LAX-IAD
6h 20m1 stop
Southwest Logo
07:40 - 14:35IAD-LAX
9h 55m2 stops
$353Southwest
Find Deal
Sat, 13 Dec - Sun, 4 Jan
Southwest Logo
05:30 - 15:15LAX-IAD
6h 45m1 stop
Southwest Logo
19:50 - 00:10IAD-LAX
7h 20m1 stop
$354Southwest
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Southwest Logo
05:45 - 17:05LAX-IAD
8h 20m1 stop
Southwest Logo
07:40 - 16:15IAD-LAX
11h 35m2 stops
$357Southwest
Find Deal
Sat, 7 Feb - Sat, 14 Feb
Southwest Logo
05:40 - 14:55LAX-IAD
6h 15m1 stop
Southwest Logo
05:05 - 09:40IAD-LAX
7h 35m1 stop
$362Southwest
Find Deal
Wed, 12 Nov - Sat, 15 Nov
United Airlines Logo
08:40 - 16:26LAX-IAD
4h 46mdirect
United Airlines Logo
06:48 - 09:39IAD-LAX
5h 51mdirect
$365United Airlines
Find Deal
Tue, 2 Dec - Fri, 5 Dec
Southwest Logo
05:35 - 17:05LAX-IAD
8h 30m1 stop
Southwest Logo
17:45 - 22:15IAD-LAX
7h 30m1 stop
$366Southwest
Find Deal
Wed, 18 Feb - Tue, 24 Feb
Alaska Airlines Logo
18:05 - 05:55LAX-IAD
8h 50m1 stop
Alaska Airlines Logo
07:00 - 14:40IAD-LAX
10h 40m1 stop
$394Alaska Airlines
Find Deal
Sun, 15 Feb - Tue, 24 Feb
Alaska Airlines Logo
18:05 - 05:55LAX-IAD
8h 50m1 stop
Alaska Airlines Logo
07:00 - 14:40IAD-LAX
10h 40m1 stop
$410Alaska Airlines
Find Deal
Thu, 5 Mar - Tue, 10 Mar
Alaska Airlines Logo
13:40 - 05:55LAX-IAD
13h 15m1 stop
Alaska Airlines Logo
07:00 - 14:40IAD-LAX
10h 40m1 stop
$440Alaska 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 47% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
May
Cheapest • 16% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
$349
Typical prices: $565-$971
United Airlines
Wed 26/11Fri 5/12
LAX - IAD • Direct
Cheapest one-way flight
$179
Typical prices: $180-$443
Southwest
Sat 21/2
LAX - IAD • 2 stops
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.

How much is a return flight from Los Angeles to Washington, D.C. Dulles Intl Airport?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Los Angeles to Washington, D.C. Dulles Intl Airport departing in November.

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 Saturday 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 $503 (return) on average. On the other hand, the most expensive months are December and November, where the average cost of round-trip tickets is $765 and $731 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.

No, with an average price for the route of $626, prices are generally cheapest when you fly direct.

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 47% 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$179
Best time to beat the crowds (4% less expensive on average)
Most popular time to fly (27% more expensive 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 $179 for a one-way ticket and $349 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: Alaska Airlines, Hawaiian Airlines, JetBlue, American Airlines, Delta, Lufthansa, and United Airlines.

  • 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.

  • 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.

KAYAK’s top tips for finding a cheap flight from Los Angeles to Washington, D.C. Dulles Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $611 or less round-trip.

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

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