LAX - IAD

$244 Find Cheap Flights from Los Angeles to Washington Dulles Airport – Compare and Save

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Everything you should know

Cheapest return flight
$425
Typical prices: $473-$823
United Airlines
Sun 18/11Mon 19/11
LAX - IAD • Direct
Cheapest one-way flight
$244
Typical prices: $287-$524
Frontier
Fri 21/12
LAX - IAD • 2 stops
Advice from real travellers
United Economy Plus adds up to 6 inches more legroom than standard economy.
Lufthansa economy includes a three-course meal; United offers free messaging.
Expert advice
+1
Expert advice
+1
Direct flights
You can fly direct with United Airlines and American Airlines. Average duration is 4h 54m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 91% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 20 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 13% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg $456 (return)
Shortest trip • 7h 02m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Los Angeles to Dulles Intl

Wed, 18 Nov - Thu, 19 Nov
United Airlines Logo
10:46 - 18:43LAX  Los Angeles-IAD Washington, D.C. Dulles Intl
4h 57mdirect
United Airlines Logo
06:39 - 09:29IAD  Washington, D.C. Dulles Intl-LAX Los Angeles
5h 50mdirect
$425United Airlines
Sun, 22 Nov - Thu, 3 Dec
United Airlines Logo
22:35 - 06:17LAX  Los Angeles-IAD Washington, D.C. Dulles Intl
4h 42mdirect
United Airlines Logo
07:00 - 09:51IAD  Washington, D.C. Dulles Intl-LAX Los Angeles
5h 51mdirect
$428United Airlines
Fri, 11 Dec - Sun, 13 Dec
United Airlines Logo
16:45 - 00:39LAX  Los Angeles-IAD Washington, D.C. Dulles Intl
4h 54mdirect
United Airlines Logo
22:24 - 01:15IAD  Washington, D.C. Dulles Intl-LAX Los Angeles
5h 51mdirect
$438United Airlines
Sat, 12 Dec - Sun, 13 Dec
United Airlines Logo
23:35 - 07:31LAX  Los Angeles-IAD Washington, D.C. Dulles Intl
4h 56mdirect
United Airlines Logo
08:35 - 11:24IAD  Washington, D.C. Dulles Intl-LAX Los Angeles
5h 49mdirect
$443United Airlines
Fri, 25 Dec - Wed, 6 Jan
United Airlines Logo
23:14 - 07:00LAX  Los Angeles-IAD Washington, D.C. Dulles Intl
4h 46mdirect
United Airlines Logo
07:00 - 09:57IAD  Washington, D.C. Dulles Intl-LAX Los Angeles
5h 57mdirect
$450United Airlines
Sat, 12 Dec - Sun, 20 Dec
Frontier Logo
00:12 - 17:38LAX  Los Angeles-IAD Washington, D.C. Dulles Intl
14h 26m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
20:51 - 17:47IAD  Washington, D.C. Dulles Intl-LAX Los Angeles
23h 56m1 stop Las Vegas Harry Reid Intl
$452Frontier
Wed, 2 Dec - Fri, 4 Dec
United Airlines Logo
22:35 - 06:29LAX  Los Angeles-IAD Washington, D.C. Dulles Intl
4h 54mdirect
United Airlines Logo
15:14 - 18:04IAD  Washington, D.C. Dulles Intl-LAX Los Angeles
5h 50mdirect
$453United Airlines
Thu, 10 Dec - Fri, 18 Dec
Frontier Logo
00:12 - 17:38LAX  Los Angeles-IAD Washington, D.C. Dulles Intl
14h 26m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
13:55 - 00:21IAD  Washington, D.C. Dulles Intl-LAX Los Angeles
13h 26m2 stops Tampa Denver Intl
$456Frontier
Fri, 9 Apr - Fri, 16 Apr
United Airlines Logo
15:00 - 22:50LAX  Los Angeles-IAD Washington, D.C. Dulles Intl
4h 50mdirect
United Airlines Logo
22:10 - 00:35IAD  Washington, D.C. Dulles Intl-LAX Los Angeles
5h 25mdirect
$460United Airlines
Sun, 22 Nov - Fri, 8 Jan
United Airlines Logo
22:35 - 06:17LAX  Los Angeles-IAD Washington, D.C. Dulles Intl
4h 42mdirect
United Airlines Logo
08:22 - 11:19IAD  Washington, D.C. Dulles Intl-LAX Los Angeles
5h 57mdirect
$469United Airlines
Booking Insights

Price, demand, and travel trends for Los Angeles to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

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

Return flights from Los Angeles to Washington, D.C. Dulles Intl Airport typically range from $473 to $823. The lowest price found in the past 5 days was $425 on United Airlines.

What's the cheapest day of the week to fly from Los Angeles to Washington, D.C. Dulles Intl Airport?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Los Angeles to Washington, D.C. Dulles Intl Airport. It's 9% cheaper than the average day, while Sunday is the most expensive, with prices 29% higher.

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

•September is the cheapest month to fly from Los Angeles to Washington, D.C. Dulles Intl Airport at $543 return.
•March ($692) and June ($683) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 27% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Los Angeles to Washington, D.C. Dulles Intl Airport the cheapest?

Flights from Los Angeles to Washington, D.C. Dulles Intl Airport are cheapest 20 weeks before departure. Booking in this window typically costs about 46% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Los Angeles to Washington, D.C. Dulles Intl Airport flights

Low season

February

Cheapest flight

$244
Beat the crowds with an average 28% drop in travellers.
The most popular month to fly with an average 34% increase in travellers.
One-way flight from Los Angeles to Washington, D.C. Dulles Intl 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

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 Airlines-June 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 Airlines-June 2024
Get to the airport on time because traffic in LA is unexpected

Your Los Angeles to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Los Angeles to Washington, D.C. Dulles Intl Airport?

    These are the earliest and latest flight times available from Los Angeles to Washington, D.C. Dulles Intl Airport:

    • Earliest: departs at 08:15 and lands at 13:09
    • Latest: departs at 23:59 and lands at 04:53.

    The flight takes about 4h 54m.

  • Which cabin classes can I book on flights from Los Angeles to Washington, D.C. Dulles Intl Airport?

    Only Economy class is available on flights from Los Angeles to Washington, D.C. Dulles Intl Airport.

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

    A direct flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 54m, covering 5,910 km.

  • Do I need a passport to fly from Los Angeles to Washington, D.C. Dulles Intl Airport?

    No, a passport is not required for this domestic route, but you will need another form of identification, such as a driving licence.

  • How much should I expect to pay for a Los Angeles to Washington, D.C. Dulles Intl Airport flight?

    Return flights from Los Angeles to Washington, D.C. Dulles Intl Airport range from $473 to $823, with an average of $626 over the past 12 months. Anything below $473 counts as a good deal.

  • How expensive are last-minute Los Angeles to Washington, D.C. Dulles Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 42% above the $626 route average. Book 20 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Los Angeles to Washington, D.C. Dulles Intl Airport?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average $456 return via Dallas/Fort Worth (DFW), compared with $638 for direct.

  • How does on-time performance compare across airlines flying from Los Angeles to Washington, D.C. Dulles Intl Airport?

    United Airlines is slightly above the route average for timely arrivals, while American Airlines has a lower on-time arrival rate. On-time arrival rates on Los Angeles to Washington, D.C. Dulles Intl Airport flights are:

    • United Airlines: 91% on time
    • American Airlines: 81% on time
    • Delta: 60% on time

    On average, flights on this route are punctual 91% of the time.

  • What is the standard checked bag allowance on flights from Los Angeles to Washington, D.C. Dulles Intl Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge $57–$142 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Los Angeles to Washington, D.C. Dulles Intl Airport?

    The Boeing 757-300 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737 MAX 9 variants.

  • How are flight departures from Los Angeles to Washington, D.C. Dulles Intl Airport spread across the day?

    Night is the busiest departure period on Los Angeles to Washington, D.C. Dulles Intl Airport flights, with 50% leaving in that window. Morning departures account for 25%, Afternoon flights for 25%, and Evening flights for 0%.

  • Have flight prices from Los Angeles to Washington, D.C. Dulles Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about $425 to $3,921. That means the highest observed fare was about 9x higher than the lowest one.

  • Which airlines offer Wi-Fi on Los Angeles to Washington, D.C. Dulles Intl Airport flights?

    Two airlines offer in-flight Wi-Fi on Los Angeles to Washington, D.C. Dulles Intl Airport flights:

    • American Airlines
    • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty programme, while others are paid add-ons priced by flight length.

  • How are flight prices from Los Angeles to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Los Angeles to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $269, which is 37% below the typical average for this route.

  • Which car hire options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car hire companies, with daily rates starting from around $99 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Los Angeles to Washington, D.C. Dulles Intl Airport?

    Flights from Los Angeles to Washington, D.C. Dulles Intl Airport usually depart from Los Angeles (LAX) and arrive at Washington, D.C. Dulles Intl (IAD).

  • What time of day has the fewest delays on flights from Los Angeles to Washington, D.C. Dulles Intl Airport?

    Afternoon flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed from Los Angeles to Washington, D.C. Dulles Intl Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Los Angeles to Washington, D.C. Dulles Intl Airport route, 9% of flights were delayed in the past three months, with delays averaging 1h 50m.

  • Which airports do connecting flights from Los Angeles to Washington, D.C. Dulles Intl Airport pass through?

    One-stop flights from Los Angeles to Washington, D.C. Dulles Intl Airport most commonly connect through:

    • Las Vegas Harry Reid Intl (LAS) – 35% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 23% of one-stop connections
    • Charlotte Douglas (CLT) – 13% of one-stop connections
    • Denver Intl (DEN) – 12% of one-stop connections

  • Can I save money by using flexible dates for flights from Los Angeles to Washington, D.C. Dulles Intl Airport?

    Yes. Flexible dates can save you up to 30% on flights from Los Angeles to Washington, D.C. Dulles Intl Airport. Wednesday is the cheapest departure day at $574 return on average, while Sunday is the most expensive at $810, a difference of $236.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Los Angeles to Washington, D.C. Dulles Intl Airport?

    2 airlines operate flights between Los Angeles and Washington, D.C. Dulles Intl Airport. The airlines offering direct flights on this route include:

    • United Airlines
    • American Airlines

  • How much time can I save by choosing a different stopover airport from Los Angeles to Washington, D.C. Dulles Intl Airport?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time of 7h 02m, compared to 7h 13m via Phoenix Sky Harbor Intl (PHX) and 7h 56m via Detroit Metropolitan Wayne County (DTW).

  • What is the time difference between Los Angeles and Washington, D.C. Dulles Intl Airport?

    Washington, D.C. Dulles Intl Airport is 3 hours ahead of Los Angeles (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Grand Hyatt Washington, Walter E. Washington Convention Center, and JW Marriott Washington, DC. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Los Angeles to Washington, D.C. Dulles Intl Airport flights?

    Among airlines operating Los Angeles to Washington, D.C. Dulles Intl Airport flights:

    • United Airlines: offers extra legroom; offers free seat selection
    • American Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Los Angeles to Washington, D.C. Dulles Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy class
    • American Airlines: a cabin bag and a checked bag in Economy class
    • JetBlue: a cabin bag in Economy class class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Los Angeles to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average $574, about $236 less than Sunday fares (29% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 20 weeks before you fly. On this route, that window historically saves about 46% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Los Angeles to Washington, D.C. Dulles Intl Airport trip for September. Fares historically average $543 return in that month – typically $149 less than the most expensive month, which is March (based on the last 12 months).
  • For the best chance of arriving on time, fly with United Airlines. Over the past three months, 91% of United Airlines flights from Los Angeles to Washington, D.C. Dulles Intl Airport arrived on time, slightly above the route average of 91%. When flights on this route arrive late, they're delayed by an average of 1h 50m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Dallas/Fort Worth Airport (DFW) can be cheaper than flying direct. The cheapest stopover option averages $456 return on this route – about $182 less than direct flights (based on the last 12 months).

Prefer to fly 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

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

Direct returns

Washington, D.C. Dulles Intl to Los Angeles

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

More options for your flight from Los Angeles to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car hire