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Cheap flights from Washington, D.C. Dulles Intl Airport to Los Angeles from £90

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LAX
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Los Angeles are usually found in July or January, booked 25 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap 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 31 October 2025.

Round-trip from

£170

One-way from

£90

Popular in

December

Cheapest in

July

Average price

£301
Frontier
  • Frontier
  • 22/12-31/12
  • 2 total stops
  • 47h 06m total
  • Washington, D.C. to Los Angeles
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Alaska Airlines
  • Alaska Airlines
  • 2/3
  • 1 total stop
  • 11h 32m total
  • Washington, D.C. to Los Angeles
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£18 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find 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 31 October 2025.

Mon 22/1221:58IAD - LAX
1 stop23h 05mFrontier
Wed 31/1208:37LAX - IAD
1 stop24h 01mFrontier
Deal found 28/10£170
Wed 26/1118:59IAD - LAX
Nonstop5h 51mUnited Airlines
Wed 3/1212:45LAX - IAD
Nonstop4h 54mUnited Airlines
Deal found 29/10£172
Wed 24/1206:05IAD - LAX
1 stop10h 58mFrontier
Wed 31/1208:37LAX - IAD
1 stop24h 01mFrontier
Deal found 28/10£173
Tue 23/1206:34IAD - LAX
2 stops16h 57mFrontier
Sun 4/123:59LAX - IAD
1 stop18h 04mFrontier
Deal found 28/10£178
Thu 4/1216:40IAD - LAX
1 stop7h 40mSouthwest
Mon 8/1205:45LAX - IAD
1 stop8h 20mSouthwest
Deal found 30/10£180
Tue 23/1206:34IAD - LAX
2 stops16h 57mFrontier
Wed 31/1222:45LAX - IAD
1 stop9h 53mFrontier
Deal found 28/10£183
Mon 8/1207:40IAD - LAX
2 stops11h 35mSouthwest
Sun 14/1207:25LAX - IAD
1 stop6h 45mSouthwest
Deal found 29/10£184
Thu 11/1219:00IAD - LAX
Nonstop5h 51mUnited Airlines
Mon 15/1211:00LAX - IAD
Nonstop4h 54mUnited Airlines
Deal found 29/10£187
Thu 27/1118:00IAD - LAX
Nonstop5h 38mUnited Airlines
Wed 3/1223:00LAX - IAD
Nonstop4h 51mUnited Airlines
Deal found 29/10£187
Tue 16/1207:40IAD - LAX
1 stop9h 50mSouthwest
Wed 7/108:45LAX - IAD
2 stops10h 10mSouthwest
Deal found 29/10£191
Tue 9/1207:34IAD - LAX
1 stop10h 46mAlaska Airlines
Thu 11/1211:25LAX - IAD
1 stop15h 41mAlaska Airlines
Deal found 30/10£194
Sun 7/1218:00IAD - LAX
Nonstop5h 38mUnited Airlines
Thu 11/1213:30LAX - IAD
Nonstop4h 52mUnited Airlines
Deal found 29/10£195

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 31 October 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

Fri 13/2

22:05-01:09

Nonstop6h 04m

Los Angeles

Mon 23/2

23:25-07:15

Nonstop4h 50m

£180

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 12/2

05:10-09:50

1 stop7h 40m

Los Angeles

Thu 19/2

05:00-17:00

1 stop9h 00m

£195

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Mon 15/12

06:45-09:37

Nonstop5h 52m

Los Angeles

Wed 17/12

08:40-16:26

Nonstop4h 46m

£195

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 11/2

09:05-17:05

2 stops11h 00m

Los Angeles

Tue 17/2

12:30-22:40

1 stop7h 10m

£199

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 23/12

22:05-00:59

Nonstop5h 54m

Los Angeles

Mon 29/12

23:30-07:18

Nonstop4h 48m

£203

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 12/2

15:25-23:40

2 stops11h 15m

Los Angeles

Tue 17/2

12:30-22:40

1 stop7h 10m

£206

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 3/3

07:00-15:32

1 stop11h 32m

Los Angeles

Tue 10/3

17:00-05:55

1 stop9h 55m

£217

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 9/12

07:34-15:20

1 stop10h 46m

Los Angeles

Mon 15/12

17:37-06:06

1 stop9h 29m

£217

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Mon 2/2

15:19-18:05

Nonstop5h 46m

Los Angeles

Fri 6/2

21:30-05:24

Nonstop4h 54m

£225

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 9/12

22:08-00:59

Nonstop5h 51m

Los Angeles

Mon 15/12

11:00-18:54

Nonstop4h 54m

£241

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 24 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 24 October 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 25 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 £106). Flying from Washington, D.C. Dulles Intl Airport to Los Angeles in March is currently the most expensive (average of £172). 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 31 October 2025.

When flying from Washington, D.C. Dulles Intl Airport to Los Angeles, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 90% versus a flight in the evening.

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 10 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 £180, United Airlines can have you in Los Angeles from Washington, D.C. Dulles Intl Airport in 6h 04m. 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 (94%), Air China (92%), Ethiopian Air( 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 £106). Flying from Washington, D.C. Dulles Intl Airport to Los Angeles in March is currently the most expensive (average of £172). 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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