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Cheap flights from Washington, D.C. Dulles Intl Airport to Los Angeles from £99

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 21/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LAX
31 Jan — 7 Feb1
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 1 January 2026.

Wed 31/1222:05IAD - LAX
Nonstop5h 54mUnited Airlines
Thu 22/112:40LAX - IAD
Nonstop4h 55mUnited Airlines
Deal found 30/12£253
Wed 31/1222:05IAD - LAX
Nonstop5h 54mUnited Airlines
Wed 7/121:30LAX - IAD
Nonstop4h 54mUnited Airlines
Deal found 30/12£294
Wed 31/1217:45IAD - LAX
1 stop7h 30mSouthwest
Thu 22/105:45LAX - IAD
1 stop8h 05mSouthwest
Deal found 30/12£320
Wed 31/1212:35IAD - LAX
Nonstop5h 57mUnited Airlines
Thu 5/221:30LAX - IAD
Nonstop4h 54mUnited Airlines
Deal found 31/12£332
Wed 31/1222:05IAD - LAX
Nonstop5h 54mUnited Airlines
Mon 5/116:50LAX - IAD
Nonstop4h 55mUnited Airlines
Deal found 31/12£337
Wed 31/1217:45IAD - LAX
1 stop7h 30mSouthwest
Wed 7/107:50LAX - IAD
2 stops11h 05mSouthwest
Deal found 30/12£363
Wed 31/1222:05IAD - LAX
Nonstop5h 54mUnited Airlines
Tue 6/113:25LAX - IAD
Nonstop4h 54mUnited Airlines
Deal found 31/12£369
Wed 31/1222:05IAD - LAX
Nonstop5h 54mUnited Airlines
Thu 1/111:45LAX - IAD
Nonstop4h 55mUnited Airlines
Deal found 30/12£374

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 1 January 2026.

Round-trip from

£191

One-way from

£99

Popular in

December

Cheapest in

July

Average price

£244
United Airlines
  • United Airlines
  • 29/1-2/2
  • Nonstop
  • 10h 35m total
  • Washington, D.C. to Los Angeles
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Southwest
  • Southwest
  • 20/1
  • 1 total stop
  • 7h 55m total
  • Washington, D.C. to Los Angeles
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 1 January 2026.
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

Tue 10/2

18:00-20:44

Nonstop5h 44m

Los Angeles

Tue 24/2

08:40-16:24

Nonstop4h 44m

£191

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 21/1

17:30-22:00

1 stop7h 30m

Los Angeles

Sat 24/1

05:40-14:55

1 stop6h 15m

£197

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Mon 26/1

16:30-21:25

1 stop7h 55m

Los Angeles

Mon 2/2

08:50-21:55

1 stop10h 05m

£201

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 18/2

09:05-16:15

2 stops10h 10m

Los Angeles

Thu 19/2

05:00-17:00

1 stop9h 00m

£201

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Fri 23/1

18:45-21:41

Nonstop5h 56m

Los Angeles

Mon 16/2

21:34-05:26

Nonstop4h 52m

£206

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Mon 26/1

12:40-17:55

1 stop8h 15m

Los Angeles

Mon 2/2

21:55-09:13

1 stop8h 18m

£207

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 23/4

07:10-13:43

1 stop9h 33m

Los Angeles

Tue 28/4

10:00-00:09

1 stop11h 09m

£220

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 2/4

22:15-01:05

Nonstop5h 50m

Los Angeles

Tue 7/4

22:35-06:37

Nonstop5h 02m

£221

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Mon 20/4

16:30-23:20

1 stop9h 50m

Los Angeles

Fri 24/4

05:10-17:05

1 stop8h 55m

£221

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 1/4

05:50-13:10

1 stop10h 20m

Los Angeles

Mon 6/4

11:05-00:15

1 stop10h 10m

£224

Flights are sorted by cheapest return flights first.

Deals found on 31/12

Showing 1-10 of 23 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 return 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 return flight from Dulles Intl to Los Angeles. Price data was last updated on 26 December 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Los Angeles, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 £104). Flying from Washington, D.C. Dulles Intl Airport to Los Angeles in December is currently the most expensive (average of £176). 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 1 January 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Los Angeles as you normally would.

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?

    Los Angeles (LAX) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Los Angeles. You should not have trouble finding flights to Los Angeles from Washington, D.C. Dulles Intl; the airport handles an average of 29 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Los Angeles airport from Washington, D.C. Dulles Intl. It is only a 9.4 mi journey from Los Angeles (LAX) to Los Angeles’s city center.

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

    For as low as £191, United Airlines can have you in Los Angeles from Washington, D.C. Dulles Intl Airport in 5h 44m. The distance from Washington, D.C. Dulles Intl Airport to Los Angeles is about 2282 mi. This flight may include one or multiple stops.

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

    Before booking your flight to Los Angeles from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: Egyptair (96%), Ethiopian Air (95%), Air China( 90%).

  • 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 holiday 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 £104). Flying from Washington, D.C. Dulles Intl Airport to Los Angeles in December is currently the most expensive (average of £176). 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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Can Cheapflights notify me if prices for flights from Dulles Intl to Los Angeles become cheaper?

Not ready to book yet? You can track prices for flights from Dulles Intl to Los Angeles on Cheapflights with our Price Alert feature and get notified when better prices are available.

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