LAX - IAD

$141 Find Cheap Flights from Los Angeles to Washington Dulles Airport - Compare and Save

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 9/9. 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, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$262
Typical prices: $292-$470
Frontier
Thu 9/10Fri 9/18
LAX - IAD • 2 stops
Cheapest non-stop
$282
Typical prices: $298-$457
United Airlines
Thu 10/22Mon 10/26
LAX - IAD • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
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
Expert advice
+1
+1
Expert advice
Expert advice
+1
Nonstop flights
You can fly direct with United Airlines and American Airlines. Average duration is 5h 00m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 90% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $358 (round-trip)
Shortest trip • 6h 56m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 14% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Dulles Intl!
Flight Deals
Booking Insights
Expert advice
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 round-trip 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 round-trip flight deals from Los Angeles to Dulles Intl

Thu, Sep 10 - Fri, Sep 18
Frontier Logo
7:44 pm - 11:33 amLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
12h 49m2 stops San Francisco Dallas/Fort Worth
Frontier Logo
10:27 am - 6:10 pmIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
10h 43m1 stop Orlando
$262Frontier
Sat, Sep 5 - Mon, Sep 7
Frontier Logo
11:34 pm - 5:14 pmLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
14h 40m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
9:44 pm - 6:18 pmIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
23h 34m1 stop Orlando
$262Frontier
Thu, Oct 15 - Tue, Oct 27
Multiple Airlines Logo
12:47 pm - 12:21 amLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
8h 34m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
9:38 am - 5:59 pmIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
11h 21m1 stop Seattle/Tacoma Intl
$262Multiple Airlines
Sun, Sep 13 - Wed, Sep 16
Multiple Airlines Logo
12:38 pm - 12:10 amLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
8h 32m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
7:00 am - 2:44 pmIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
10h 44m1 stop Seattle/Tacoma Intl
$262Multiple Airlines
Thu, Oct 22 - Mon, Oct 26
United Airlines Logo
9:30 pm - 5:31 amLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
5h 01mnonstop
United Airlines Logo
6:39 am - 9:31 amIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
5h 52mnonstop
$282United Airlines
Sat, Oct 24 - Mon, Oct 26
United Airlines Logo
9:10 pm - 5:11 amLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
5h 01mnonstop
United Airlines Logo
6:39 am - 9:31 amIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
5h 52mnonstop
$282United Airlines
Mon, Oct 5 - Wed, Oct 7
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
Mon, Oct 26 - Thu, Oct 29
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
Fri, Oct 30 - Tue, Nov 3
Alaska Airlines Logo
6:02 pm - 5:40 amLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
8h 38m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:46 am - 2:55 pmIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
10h 09m1 stop Seattle/Tacoma Intl
$341Alaska Airlines
Fri, Oct 30 - Wed, Nov 4
Alaska Airlines Logo
6:02 pm - 5:40 amLAX  Los Angeles-IAD Washington, D.C. Dulles Intl
8h 38m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:46 am - 2:55 pmIAD  Washington, D.C. Dulles Intl-LAX Los Angeles
10h 09m1 stop Seattle/Tacoma Intl
$341Alaska Airlines
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 round-trip flight from Los Angeles to Washington, D.C. Dulles Intl Airport?

This analysis is based on the cheapest round-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 September.

Flight prices are below average for this route right now.

Flights to Washington, D.C. Dulles Intl Airport from Los Angeles usually cost between $316 and $550 in September.
The lowest price found in the past 5 days was $262 on Frontier (Sep 5-Sep 7).

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.

If your flying dates are flexible, you should consider flying to Washington Dulles Airport on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Los Angeles to Washington Dulles Airport. For your return ticket, we recommend flying on a Thursday and avoiding Mondays for the best deals.

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 October, where tickets cost $379 (return) on average. On the other hand, the most expensive months are June and November, where the average cost of round-trip tickets is $499 and $483 respectively.

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

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $426 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 35% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 12 weeks before departure.

Expert advice

Expert advice for your flight from Los Angeles to Dulles Intl

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
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.

Good to know

Low season

January

Cheapest flight

$141
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly and prices are also 2% 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 round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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 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

FAQs for booking Los Angeles to Washington Dulles Airport flights

  • 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.

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

    In the last 5 days, the lowest price for a flight from Los Angeles to Washington, D.C. Dulles Intl Airport was $141 for a one-way ticket and $261 for a round-trip.

  • Do I need a passport to fly between Los Angeles and Washington Dulles Airport?

    No, a passport isn't needed to fly from Los Angeles to Washington Dulles Airport. However, local authorities might ask for an official ID.

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

    Los Angeles and Washington Dulles Airport are both served by 1 main airport. You will leave Los Angeles from Los Angeles and will be arriving at Washington, D.C. Dulles Intl.

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

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

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

    The Boeing 757-300 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?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Los Angeles and Washington Dulles Airport, with SkyTeam being the most commonly used for this route.

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

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

  • Which is the best airline for flights from Los Angeles to Washington, D.C., Southwest or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from Los Angeles to Washington, D.C. are Southwest and Alaska Airlines. With an average price for the route of $384 and an overall rating of 8.0, Southwest is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $525 and an overall rating of 7.9.

  • 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 travelers 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 round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Los Angeles with another airline. Booking your flights between Los Angeles and IAD can sometimes prove cheaper using this method.

  • 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 $292 or less one-way and $357 or less round-trip.
  • 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?

 
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,American Airlines

United Airlines,American Airlines

Tuesday

United Airlines,American Airlines

United Airlines,American Airlines

Wednesday

United Airlines,American Airlines

United Airlines,American Airlines

Thursday

United Airlines,American Airlines

United Airlines,American Airlines

Friday

United Airlines,American Airlines

United Airlines,American Airlines

Saturday

United Airlines,American Airlines

United Airlines,American Airlines

Sunday

United Airlines,American Airlines

United Airlines,American Airlines

See more direct flights

Direct returns

Washington, D.C. Dulles Intl to Los Angeles

Monday

United Airlines,American Airlines

United Airlines,American Airlines

Tuesday

United Airlines,American Airlines

United Airlines,American Airlines

Wednesday

United Airlines,American Airlines

United Airlines,American Airlines

Thursday

United Airlines,American Airlines

United Airlines,American Airlines

Friday

United Airlines,American Airlines

United Airlines,American Airlines

Saturday

United Airlines,American Airlines

United Airlines,American Airlines

Sunday

United Airlines,American Airlines

United Airlines,American 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