LAX - IAD

$156 Find Cheap Flights from Los Angeles to Washington Dulles Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$274
Typical prices: $331-$572
Frontier
Wed 10/17Wed 10/24
LAX - IAD • Non-stop
Cheapest non-stop
$292
Typical prices: $335-$578
United Airlines
Tue 10/16Wed 10/17
LAX - IAD • Non-stop
Advice from real travelers
United Economy Plus adds up to six inches more legroom than standard economy.
United Priority Boarding helps avoid carry-on gate checks on this long route.
Expert advice
+1
Expert advice
+1
Nonstop flights
You can fly direct with United Airlines and American Airlines. Average duration is 4h 56m
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 travelers who book at least 20 weeks in advance save around 44% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 15% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $299 (round-trip)
Shortest trip • 7h 06m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

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

Recent round-trip flight deals from Los Angeles to Dulles Intl

Tue, Oct 13 - Tue, Oct 20
Frontier Logo
12:09 am - 11:34 amLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
8h 25m1 stop Dallas/Fort Worth
Frontier Logo
9:06 pm - 2:40 pmIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
20h 34m2 stops Atlanta Hartsfield-Jackson Denver Intl
$274Frontier
Sat, Oct 17 - Sat, Oct 24
Frontier Logo
9:42 pm - 5:32 amLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
4h 50mnonstop
Frontier Logo
6:00 am - 3:10 pmIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
12h 10m1 stop Las Vegas Harry Reid Intl
$274Frontier
Fri, Oct 16 - Sat, Oct 24
Multiple Airlines Logo
6:02 pm - 5:40 amLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
8h 38m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
6:00 am - 6:17 pmIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
15h 17m1 stop Las Vegas Harry Reid Intl
$277Multiple Airlines
Tue, Oct 20 - Sat, Oct 24
Multiple Airlines Logo
11:34 am - 11:59 pmLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
9h 25m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
6:00 am - 3:10 pmIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
12h 10m1 stop Las Vegas Harry Reid Intl
$287Multiple Airlines
Wed, Jan 6 - Mon, Jan 11
United Airlines Logo
12:03 pm - 10:36 pmLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
7h 33m1 stop Houston George Bush Intcntl
United Airlines Logo
8:30 am - 11:20 amIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
5h 50mnonstop
$288United Airlines
Fri, Nov 6 - Sat, Nov 7
United Airlines Logo
9:35 pm - 5:19 amLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
4h 44mnonstop
United Airlines Logo
6:39 am - 9:31 amIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
5h 52mnonstop
$292United Airlines
Sat, Oct 17 - Sat, Oct 24
American Airlines Logo
9:42 pm - 5:32 amLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
4h 50mnonstop
American Airlines Logo
6:00 am - 8:46 amIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
5h 46mnonstop
$296American Airlines
Sat, Oct 24 - Tue, Oct 27
American Airlines Logo
9:42 pm - 5:32 amLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
4h 50mnonstop
American Airlines Logo
6:00 am - 8:46 amIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
5h 46mnonstop
$297American Airlines
Wed, Oct 28 - Tue, Nov 3
Alaska Airlines Logo
11:34 am - 11:59 pmLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
9h 25m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:46 am - 2:21 pmIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
9h 35m1 stop Seattle/Tacoma Intl
$337Alaska Airlines
Wed, Oct 21 - Wed, Oct 28
Alaska Airlines Logo
9:18 am - 11:59 pmLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
11h 41m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
9:38 am - 5:59 pmIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
11h 21m1 stop Seattle/Tacoma Intl
$337Alaska 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 round-trip flight from Los Angeles to Washington, D.C. Dulles Intl Airport?

Round-trip flights from Los Angeles to Washington, D.C. Dulles Intl Airport typically range from $331 to $572. The lowest price found in the past 5 days was $274, on Frontier.

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 8% cheaper than the average day, while Sunday is the most expensive, with prices 30% higher.

What’s 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 $371 round-trip.
•March ($485) and July ($477) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 30% 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 44% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Los Angeles to Dulles Intl

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines, LAX and IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

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

Low season

February

Cheapest flight

$156
Beat the crowds with an average 34% drop in travelers.
The most popular month to fly with an average 35% increase in travelers.
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 round-trip price

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

Insights shared by verified travelers who flew the route from Los Angeles to Dulles Intl 
karenFlew with Alaska Airlines-Jun 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-Jun 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 8:15 am and lands at 1:11 pm
    • Latest: departs at 11:59 pm and lands at 4:55 am.

    The flight takes about 4h 56m.

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

    Three cabin classes are available on flights from Los Angeles to Washington, D.C. Dulles Intl Airport:

    • Economy Class
    • Business Class
    • First Class

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

    A nonstop flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 56m, covering 2,282 miles.

  • 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 a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

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

    Round-trip flights from Los Angeles to Washington, D.C. Dulles Intl Airport range from $331 to $572, with an average of $435 over the past 12 months. Anything below $331 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 40% above the $435 route average. Book 20 weeks before departure for the lowest fares.

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $299 round-trip via Dallas/Fort Worth (DFW), compared to $444 for nonstop.

  • 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

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

  • 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 $40–$100 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% of flights 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, round-trip prices on this route showed a wide range, from about $274 to $2,366. 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 program; 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 $170, which is 40% below the typical average for this route.

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

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:

    • Dollar
    • Budget
    • Hertz
    • 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 3 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) - 31% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 26% of one-stop connections
    • Denver Intl (DEN) - 16% of one-stop connections
    • Charlotte Douglas (CLT) - 11% 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 $401 round-trip on average, while Sunday is the most expensive at $566, a difference of $165.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What 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 nonstop flights on this route include:

    • United Airlines
    • American Airlines

  • How much time can I save by choosing a different layover 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 at 7h 06m, compared with 7h 15m 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 Walter E. Washington Convention Center, National Mall and Capital One Arena. 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

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

  • Does Washington Dulles International Airport offer places to sleep?

    If you’re looking for a place to sleep at IAD, Sleepbox Lounge has 16 rooms that you can rent by the hour. Each room has a bed, Wi-Fi, a Bluetooth speaker, and power outlets. The Sleepbox Lounge is inside security on the mezzanine level between gates A6 and A14. You can rent these rooms for an hour and 15-minute increments after the first hour or overnight.

  • How can I get to downtown DC from Washington Dulles International Airport?

    IAD is connected to downtown Washington by train. The Metrorail Silver Line provides regular services from the IAD airport station to downtown Washington DC. There is also a bus at the airport, the Silver Line Express runs every 15-20 minutes and costs about $5 for a trip downtown. Taxis from IAD are also an option - you’ll take them from the baggage claim area in each terminal. SuperShuttle and Supreme Airport Shuttle also offer door-to-door services from IAD. You’ll find them at the arrivals hall outside doors 2-7. Several companies also have counters for rental cars in the arrivals halls.

  • Which airlines have lounges at Washington Dulles International Airport?

    Air France, British Airways, Lufthansa, Turkish Airlines, Virgin Atlantic, and United Airlines all have lounges at IAD. Most of these lounges are accessed by paying at the door, except for the Lufthansa's lounge, which is open to their first-class and business-class passengers only. The Air France and Virgin Atlantic lounges are on concourse A, while British Airways, Turkish Airlines, and Lufthansa have their lounges on concourse B. United Club has three locations on concourse C and one on concourse D.

  • Does Los Angeles International Airport offer accessibility services?

    LAX is an ADA-compliant airport. You can book wheelchair services through your airline before your flight from LAX. Passengers with limited mobility will find amps and elevators, reserved parking spots, fast-track services, and accessible restrooms at LAX. Low-vision passengers can access free Aira services, while deaf passengers have visual paging services and TTY courtesy phones at LAX.

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 $401, about $165 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 44% 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 $371 round-trip in that month - typically $114 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 layover option averages $299 round-trip on this route - about $145 less than direct flights (based on the last 12 months).
  • Los Angeles International Airport (LAX) is the biggest airport in California. It consists of nine terminals, including the international terminal. The airport complex is connected by shuttles which provide inter-terminal transport every 10 minutes.
  • Washington Dulles International Airport (IAD) is a kid-friendly airport, it has a Funway park to ensure your kids can burn off that extra energy after your flight. The play area has climbing structures, slides, and interactive games and is located near gate B70.
  • Are you visiting LAX with your pet? The airport has provided pet relief areas in every terminal, both indoors and outdoors. The outdoor areas are just outside baggage claim and the indoor areas are right after security. Terminals 3 and 6 have outdoor atriums where your pet can also relieve itself.
  • Do you get nervous before your flight? The LAX PUPs are here for you! The LAX PUPs program aims to comfort all nervous fliers, they have trained therapy dogs who give free cuddles and kisses to de-stress these passengers before their flight.
  • On average, around 976 kg of carbon is emitted on flights from Los Angeles to Washington DC. However, you can fly more sustainably with United Airlines. They offer a flight that emits 40% less carbon per passenger on this route.

Prefer to fly direct from Los Angeles to Washington Dulles Airport?

 
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 rental