Cheap flights from Los Angeles to Washington, D.C. Dulles Intl Airport from £115

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
9 Jun — 16 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Los Angeles to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Los Angeles to Dulles Intl
Explore the most affordable flight options available from Los Angeles to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 May 2026.

Wed 8/723:30
LAX
-
IAD
Nonstop5h 03m
United Airlines
Wed 15/707:00
IAD
-
LAX
Nonstop5h 26m
United Airlines
Deal found 6/5£203
Thu 6/822:41
LAX
-
IAD
Nonstop5h 06m
United Airlines
Mon 10/820:18
IAD
-
LAX
Nonstop5h 37m
United Airlines
Deal found 7/5£204
Mon 6/723:30
LAX
-
IAD
Nonstop5h 03m
United Airlines
Sat 11/720:18
IAD
-
LAX
Nonstop5h 37m
United Airlines
Deal found 5/5£205
Fri 29/521:30
LAX
-
IAD
Nonstop5h 06m
United Airlines
Sat 30/520:15
IAD
-
LAX
Nonstop5h 37m
United Airlines
Deal found 8/5£208
Fri 29/521:30
LAX
-
IAD
Nonstop5h 06m
United Airlines
Sun 31/507:00
IAD
-
LAX
Nonstop5h 26m
United Airlines
Deal found 7/5£208
Sat 30/506:00
LAX
-
IAD
Nonstop5h 08m
United Airlines
Sat 6/622:20
IAD
-
LAX
Nonstop5h 37m
United Airlines
Deal found 6/5£210
Wed 5/823:30
LAX
-
IAD
Nonstop5h 03m
United Airlines
Sat 8/822:20
IAD
-
LAX
Nonstop5h 37m
United Airlines
Deal found 6/5£212
Tue 7/723:30
LAX
-
IAD
Nonstop5h 03m
United Airlines
Tue 14/720:18
IAD
-
LAX
Nonstop5h 37m
United Airlines
Deal found 8/5£216
Wed 8/721:20
LAX
-
IAD
Nonstop5h 06m
United Airlines
Sun 9/822:20
IAD
-
LAX
Nonstop5h 37m
United Airlines
Deal found 6/5£216
Wed 8/723:30
LAX
-
IAD
Nonstop5h 03m
United Airlines
Sun 12/707:00
IAD
-
LAX
Nonstop5h 26m
United Airlines
Deal found 6/5£218
Sat 8/821:20
LAX
-
IAD
Nonstop5h 06m
United Airlines
Sat 15/807:00
IAD
-
LAX
Nonstop5h 34m
United Airlines
Deal found 7/5£219
Fri 29/516:49
LAX
-
IAD
Nonstop5h 06m
United Airlines
Wed 3/622:20
IAD
-
LAX
Nonstop5h 37m
United Airlines
Deal found 5/5£221

Find flight deals from Los Angeles to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to Dulles Intl (IAD). 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 10 May 2026.

Round-trip from

£203

One-way from

£115

Popular in

November

Cheapest in

July

Average price

£285
United Airlines
  • United Airlines
  • 8/7-15/7
  • Nonstop
  • 10h 29m total
  • Los Angeles to Washington, D.C.
Frontier
  • Frontier
  • 18/10
  • 1 total stop
  • 18h 13m total
  • Los Angeles to Washington, D.C.
Highest demand for flights based on searches. 7% potential increase in price (£18 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Los Angeles to Dulles Intl 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 10 May 2026.
Use the filters below to find and compare flights from Los Angeles to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Thu 4/6

21:30-05:36

Nonstop5h 06m

Washington, D.C. Dulles Intl

Fri 12/6

22:20-00:57

Nonstop5h 37m

£248

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Mon 1/6

13:20-00:20

2 stops8h 00m

Washington, D.C. Dulles Intl

Wed 3/6

06:20-13:20

2 stops10h 00m

£265

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Sun 31/5

11:35-00:40

1 stop10h 05m

Washington, D.C. Dulles Intl

Tue 2/6

06:20-13:20

2 stops10h 00m

£288

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Mon 20/7

16:49-00:55

Nonstop5h 06m

Washington, D.C. Dulles Intl

Tue 28/7

22:20-00:57

Nonstop5h 37m

£298

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Wed 15/7

21:20-05:26

Nonstop5h 06m

Washington, D.C. Dulles Intl

Mon 20/7

22:20-00:57

Nonstop5h 37m

£298

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Thu 6/8

23:30-07:33

Nonstop5h 03m

Washington, D.C. Dulles Intl

Wed 12/8

07:00-09:34

Nonstop5h 34m

£302

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Sun 19/7

23:30-07:33

Nonstop5h 03m

Washington, D.C. Dulles Intl

Tue 28/7

22:20-00:57

Nonstop5h 37m

£310

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Sat 23/5

11:05-22:55

2 stops8h 50m

Washington, D.C. Dulles Intl

Wed 3/6

06:20-13:20

2 stops10h 00m

£310
Fastest return journey

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Sat 8/8

21:20-05:26

Nonstop5h 06m

Washington, D.C. Dulles Intl

Wed 12/8

13:03-15:26

Nonstop5h 23m

£313

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Thu 28/5

11:10-00:20

2 stops10h 10m

Washington, D.C. Dulles Intl

Tue 2/6

06:20-13:20

2 stops10h 00m

£314

Flights are sorted by cheapest return flights first.

Deals found on 9/5

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from Los Angeles to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Los Angeles 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 Los Angeles to Washington, D.C. Dulles Intl Airport

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

Booking 57 days in advance of your planned departure date is, on average, the best time to get cheap flights from Los Angeles to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, July is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of £255). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of £352). 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 LAX to IAD?

Find hourly flight availability from Los Angeles to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 May 2026.

When flying from Los Angeles to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 62% versus a flight at midday.

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

Related info for your journey

Find useful and relevant information for your journey from Los Angeles to Dulles Intl. 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 from for flights from Los Angeles to Washington, D.C. Dulles Intl?

    Located just 9.4 mi from the city center, Los Angeles Los Angeles is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Los Angeles. Booking flights from Los Angeles (LAX) to Washington, D.C. Dulles Intl should be relatively easy as there are 26 daily outbound flights to Washington, D.C. Dulles Intl from 0 different airlines.

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

    There are many flights that can get you from Los Angeles to Washington, D.C. Dulles Intl Airport in 5h 06m. Fly via United Airlines or Southwest to get the fastest option. There are 2282 mi between Los Angeles and Washington, D.C. Dulles Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

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

    No one likes to see their flight delayed. When booking a flight from Los Angeles to Washington, D.C. Dulles Intl Airport consider choosing Air New Zealand (87%), Virgin Australia (87%) or Air China (86%) as they are the most reliable in getting you off to your destination on time.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Los Angeles to Dulles Intl 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 Los Angeles to Washington, D.C. Dulles Intl Airport?

    Currently, July is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of £255). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of £352). 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

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Gaithersburg
Woodbridge
Arlington
Alexandria
Sterling

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Alternative routes for Los Angeles to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

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How does Cheapflights help users find flights from Los Angeles to Dulles Intl?

When you search for this flight from Los Angeles to Dulles Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Los Angeles to Dulles Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Los Angeles to Dulles Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Los Angeles to Dulles Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Los Angeles to Dulles Intl with no change fees.

Can Cheapflights notify me if prices for flights from Los Angeles to Dulles Intl become cheaper?

Of course! You can now track prices for flights from Los Angeles to Dulles Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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