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Cheap flights from Washington, D.C. Dulles Intl Airport to Los Angeles from £126

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LAX
5 Sep — 12 Sep1
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 September or January, booked 60 days in advance, depart on a Wednesday or Thursday and return on a Monday

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 6 August 2026.

Tue 8/919:24 -
2 stops15h 23m
Thu 10/921:40 -
1 stop9h 37m
Deal found 4/8£208
Thu 15/1022:13 -
Nonstop5h 32m
Tue 20/1008:15 -
Nonstop5h 06m
Deal found 3/8£213
Mon 10/819:18 -
1 stop25h 39m
Wed 9/912:38 -
1 stop8h 32m
Deal found 5/8£215
Fri 4/922:23 -
Nonstop5h 36m
Sun 6/916:15 -
Nonstop5h 01m
Deal found 5/8£215
Wed 2/918:09 -
2 stops25h 45m
Wed 9/921:40 -
1 stop9h 47m
Deal found 5/8£217
Mon 7/907:00 -
Nonstop5h 34m
Sun 13/921:39 -
Nonstop5h 01m
Deal found 2/8£218
Mon 14/920:33 -
Nonstop5h 32m
Fri 18/921:39 -
Nonstop5h 01m
Deal found 4/8£221
Fri 9/1022:13 -
Nonstop5h 32m
Mon 12/1023:30 -
Nonstop4h 51m
Deal found 5/8£221
Sat 29/817:42 -
Nonstop5h 37m
Tue 8/923:00 -
Nonstop4h 53m
Deal found 5/8£226
Thu 22/1009:28 -
Nonstop5h 32m
Sat 24/1022:30 -
Nonstop4h 59m
Deal found 3/8£229
Sun 11/1007:00 -
Nonstop5h 33m
Tue 3/1123:17 -
Nonstop4h 55m
Deal found 5/8£235
Sun 20/921:04 -
2 stops24h 40m
Sun 27/921:40 -
1 stop9h 37m
Deal found 6/8£236

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 6 August 2026.

Round-trip from

£208

One-way from

£126

Popular in

March

Cheapest in

September

Average price

£304
Frontier
  • Frontier
  • 8/9-10/9
  • 3 total stops
  • 25h 00m total
  • Washington, D.C. to Los Angeles
Search Deals
Frontier
  • Frontier
  • 11/10
  • 1 total stop
  • 13h 42m total
  • Washington, D.C. to Los Angeles
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 6 August 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Los Angeles

IAD Washington, D.C. Dulles Intl - LAX Los Angeles

IADLAX

Washington, D.C. Dulles Intl

Tue 8/9

08:00-10:33

Nonstop5h 33m

Los Angeles

Tue 22/9

22:35-06:34

Nonstop4h 59m

£229

Washington, D.C.Los Angeles

IAD Washington, D.C. Dulles Intl - LAX Los Angeles

IADLAX

Washington, D.C. Dulles Intl

Sun 18/10

07:00-09:33

Nonstop5h 33m

Los Angeles

Sun 1/11

22:42-06:29

Nonstop4h 47m

£265

Washington, D.C.Los Angeles

IAD Washington, D.C. Dulles Intl - LAX Los Angeles

IADLAX

Washington, D.C. Dulles Intl

Wed 2/9

09:00-11:34

Nonstop5h 34m

Los Angeles

Wed 9/9

08:17-16:23

Nonstop5h 06m

£272

Washington, D.C.Los Angeles

IAD Washington, D.C. Dulles Intl - LAX Los Angeles

IADLAX

Washington, D.C. Dulles Intl

Sun 20/9

07:00-09:34

Nonstop5h 34m

Los Angeles

Tue 20/10

21:30-05:31

Nonstop5h 01m

£273

Washington, D.C.Los Angeles

IAD Washington, D.C. Dulles Intl - LAX Los Angeles

IADLAX

Washington, D.C. Dulles Intl

Thu 1/10

22:13-00:45

Nonstop5h 32m

Los Angeles

Sat 10/10

21:10-05:11

Nonstop5h 01m

£273

Washington, D.C.Los Angeles

IAD Washington, D.C. Dulles Intl - LAX Los Angeles

IADLAX

Washington, D.C. Dulles Intl

Fri 30/10

08:25-11:14

Nonstop5h 49m

Los Angeles

Sun 1/11

23:17-07:12

Nonstop4h 55m

£273

Washington, D.C.Los Angeles

IAD Washington, D.C. Dulles Intl - LAX Los Angeles

IADLAX

Washington, D.C. Dulles Intl

Fri 2/10

08:25-10:56

Nonstop5h 31m

Los Angeles

Sun 4/10

23:30-07:21

Nonstop4h 51m

£273

Washington, D.C.Los Angeles

IAD Washington, D.C. Dulles Intl - LAX Los Angeles

IADLAX

Washington, D.C. Dulles Intl

Sun 6/9

08:20-10:52

Nonstop5h 32m

Los Angeles

Thu 10/9

21:39-05:40

Nonstop5h 01m

£302

Washington, D.C.Los Angeles

IAD Washington, D.C. Dulles Intl - LAX Los Angeles

IADLAX

Washington, D.C. Dulles Intl

Thu 24/9

08:25-10:56

Nonstop5h 31m

Los Angeles

Mon 28/9

22:30-06:29

Nonstop4h 59m

£311

Washington, D.C.Los Angeles

IAD Washington, D.C. Dulles Intl - LAX Los Angeles

IADLAX

Washington, D.C. Dulles Intl

Sat 21/11

17:56-20:45

Nonstop5h 49m

Los Angeles

Fri 27/11

21:42-05:26

Nonstop4h 44m

£319

Flights are sorted by cheapest return flights first.

Deals found on 2/8

Showing 1-10 of 23 resultsSorted by cheapest first
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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?

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 59 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Los Angeles (average of £240). Flying from Washington, D.C. Dulles Intl Airport to Los Angeles in March is currently the most expensive (average of £369). 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 6 August 2026.

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 in the evening, which can drop the price by up to 15% versus a flight at midday.

How much does it cost for a return flight from Washington, D.C. Dulles Intl Airport to Los Angeles?

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Los Angeles flights typically cost between £229 and £380 in September.
The cheapest return price found within the last 5 days was £208 on Frontier (8 Sept–10 Sept).

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 15 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 £229, United Airlines can have you in Los Angeles from Washington, D.C. Dulles Intl Airport in 5h 33m. The distance from Washington, D.C. Dulles Intl Airport to Los Angeles is about 2282 mi. All flights are typically direct.

  • 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: Cathay Pacific (94%), Ethiopian Air (89%), Egyptair( 85%).

  • 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Los Angeles (average of £240). Flying from Washington, D.C. Dulles Intl Airport to Los Angeles in March is currently the most expensive (average of £369). 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 find flights from Dulles Intl to Los Angeles with no change fees?

Yes, we can. To see specific flights from Dulles Intl to Los Angeles with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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