Cheap flights from Washington, D.C. Dulles Intl Airport to Los Angeles from C$ 183

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LAX
8 Jan — 15 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dulles Intl to Los Angeles

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl to Los Angeles
Explore the most affordable flight options available from Dulles Intl to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 December 2025.

Wed 31/128:15 p.m.IAD - LAX
Nonstop5h 55mUnited Airlines
Sun 18/11:25 p.m.LAX - IAD
Nonstop4h 54mUnited Airlines
Deal found 7/12C$ 411
Wed 31/128:15 p.m.IAD - LAX
Nonstop5h 55mUnited Airlines
Wed 7/111:25 p.m.LAX - IAD
Nonstop4h 49mUnited Airlines
Deal found 7/12C$ 438
Wed 31/1210:05 p.m.IAD - LAX
Nonstop5h 54mUnited Airlines
Wed 14/18:40 a.m.LAX - IAD
Nonstop4h 42mUnited Airlines
Deal found 9/12C$ 465
Wed 17/123:23 p.m.IAD - LAX
Nonstop5h 47mUnited Airlines
Thu 15/18:40 a.m.LAX - IAD
Nonstop4h 42mUnited Airlines
Deal found 8/12C$ 470
Wed 31/128:15 p.m.IAD - LAX
Nonstop5h 55mUnited Airlines
Mon 5/14:50 p.m.LAX - IAD
Nonstop4h 55mUnited Airlines
Deal found 7/12C$ 516
Mon 22/129:58 p.m.IAD - LAX
1 stop23h 05mFrontier
Tue 30/1210:45 p.m.LAX - IAD
1 stop9h 53mFrontier
Deal found 8/12C$ 528
Thu 18/126:10 a.m.IAD - LAX
Nonstop5h 53mUnited Airlines
Sun 11/19:30 p.m.LAX - IAD
Nonstop4h 54mUnited Airlines
Deal found 8/12C$ 542
Sun 7/1210:08 p.m.IAD - LAX
Nonstop5h 51mUnited Airlines
Sun 11/19:30 p.m.LAX - IAD
Nonstop4h 54mUnited Airlines
Deal found 7/12C$ 549

Find flight deals from Dulles Intl to Los Angeles

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Los Angeles (LAX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 December 2025.

Round-trip from

C$ 355

One-way from

C$ 183

Popular in

December

Cheapest in

July

Average price

C$ 694
United Airlines
  • United Airlines
  • 7/1-12/1
  • Nonstop
  • 10h 26m total
  • Washington, D.C. to Los Angeles
23/1
  • 23/1
  • 3 total stops
  • 23h 46m total
  • Washington, D.C. to Los Angeles
Highest demand for flights based on searches. 8% potential increase in price (C$ 66 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 24 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Los Angeles that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 9 December 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Los Angeles that are best for you.

Fly from

Dulles Intl

Fly to

Los Angeles

Route

Depart

Return

Price

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 8/1

10:05 p.m.-12:59 a.m.

Nonstop5h 54m

Los Angeles

Mon 12/1

1:25 p.m.-9:19 p.m.

Nonstop4h 54m

C$ 355

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sat 7/2

12:35 p.m.-3:29 p.m.

Nonstop5h 54m

Los Angeles

Wed 11/2

9:30 p.m.-5:24 a.m.

Nonstop4h 54m

C$ 355

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 7/1

6:00 p.m.-8:44 p.m.

Nonstop5h 44m

Los Angeles

Sat 10/1

1:25 p.m.-9:19 p.m.

Nonstop4h 54m

C$ 355

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 8/1

5:30 p.m.-10:00 p.m.

1 stop7h 30m

Los Angeles

Wed 14/1

7:50 a.m.-9:55 p.m.

2 stops11h 05m

C$ 390

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 6/1

8:25 a.m.-11:08 a.m.

Nonstop5h 43m

Los Angeles

Sat 10/1

8:40 a.m.-4:22 p.m.

Nonstop4h 42m

C$ 411

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 21/1

3:19 p.m.-6:05 p.m.

Nonstop5h 46m

Los Angeles

Sun 25/1

11:25 p.m.-7:14 a.m.

Nonstop4h 49m

C$ 411

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 8/1

12:40 p.m.-3:34 p.m.

Nonstop5h 54m

Los Angeles

Sat 17/1

1:25 p.m.-9:19 p.m.

Nonstop4h 54m

C$ 411

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 18/2

9:05 a.m.-5:05 p.m.

2 stops11h 00m

Los Angeles

Sat 21/2

7:50 a.m.-9:45 p.m.

1 stop10h 55m

C$ 426

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Mon 16/3

7:05 a.m.-1:38 p.m.

1 stop9h 33m

Los Angeles

Thu 30/4

9:00 a.m.-11:52 p.m.

1 stop11h 52m

C$ 437

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 21/4

7:00 a.m.-2:43 p.m.

1 stop10h 43m

Los Angeles

Thu 7/5

3:55 p.m.-5:49 a.m.

1 stop10h 54m

C$ 437

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 22 results
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Best time to book a flight from Dulles Intl to Los Angeles

Have a flexible travel schedule? Discover the best time to fly to Los Angeles from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Los Angeles

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Los Angeles. Price data was last updated on 5 December 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Los Angeles may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Los Angeles (average of C$ 194). Flying from Washington, D.C. Dulles Intl Airport to Los Angeles in December is currently the most expensive (average of C$ 328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to LAX?

Find hourly flight availability from Dulles Intl to Los Angeles. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 December 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Los Angeles is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 84% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Los Angeles. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Los Angeles from Washington, D.C. Dulles Intl?

    Located just 15.1 km from the city centre, Los Angeles is the airport most travellers will use when flying to Los Angeles from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Los Angeles (LAX) should be relatively easy as there are 31 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.

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

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Los Angeles in 5h 54m. Fly via United Airlines or Southwest to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to Los Angeles is about 3673 km. This flight may include one or multiple stops.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Los Angeles?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Los Angeles on time: Ethiopian Air (95%), Egyptair (94%), ITA Airways (93%).

  • Can I find deals for flights from Dulles Intl to Los Angeles that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Los Angeles flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Los Angeles?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Los Angeles.

  • Can I find deals for business class flights from Dulles Intl to Los Angeles?

    Yes. Cheapflights offers flight deals from Dulles Intl to Los Angeles by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Los Angeles (average of C$ 194). Flying from Washington, D.C. Dulles Intl Airport to Los Angeles in December is currently the most expensive (average of C$ 328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Los Angeles

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dulles Intl to Los Angeles.

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Dulles Intl to Los Angeles flexibly with Cheapflights today.

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