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Cheap flights from Los Angeles to Washington, D.C. Dulles Intl Airport from £80

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 16/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Los Angeles to Washington, D.C. Dulles Intl are usually found in May or July, booked 81 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap 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 17 September 2025.

Round-trip from

£144

One-way from

£80

Popular in

December

Cheapest in

May

Average price

£291

Good one-way deal

£177 or less
United Airlines
  • United Airlines
  • 15/10-19/10
  • Nonstop
  • 10h 28m total
  • Los Angeles to Washington, D.C.
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United Airlines
  • United Airlines
  • 16/11
  • Nonstop
  • 4h 51m total
  • Los Angeles to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£34 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Los Angeles to Washington, D.C. Dulles Intl.
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Find flight deals from Los Angeles to Dulles Intl

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 17 September 2025.

Wed 15/1021:35LAX - IAD
Nonstop5h 03mUnited Airlines
Sat 18/1007:00IAD - LAX
Nonstop5h 25mUnited Airlines
Deal found 15/9£144
Fri 10/1021:35LAX - IAD
Nonstop5h 03mUnited Airlines
Sun 12/1007:00IAD - LAX
Nonstop5h 25mUnited Airlines
Deal found 15/9£151
Sun 9/1116:34LAX - IAD
Nonstop4h 41mUnited Airlines
Wed 12/1122:08IAD - LAX
Nonstop5h 51mUnited Airlines
Deal found 15/9£156
Wed 15/1022:35LAX - IAD
Nonstop5h 04mUnited Airlines
Wed 22/1022:14IAD - LAX
Nonstop5h 31mUnited Airlines
Deal found 16/9£159
Tue 7/1022:45LAX - IAD
Nonstop5h 04mUnited Airlines
Mon 13/1022:14IAD - LAX
Nonstop5h 31mUnited Airlines
Deal found 16/9£166
Wed 8/1021:35LAX - IAD
Nonstop5h 03mUnited Airlines
Fri 10/1022:14IAD - LAX
Nonstop5h 31mUnited Airlines
Deal found 16/9£171
Wed 8/1008:15LAX - IAD
Nonstop5h 08mUnited Airlines
Tue 14/1007:00IAD - LAX
Nonstop5h 25mUnited Airlines
Deal found 16/9£174
Wed 15/1008:15LAX - IAD
Nonstop5h 08mUnited Airlines
Wed 15/1022:14IAD - LAX
Nonstop5h 31mUnited Airlines
Deal found 15/9£177
Sat 1/1105:30LAX - IAD
1 stop7h 45mSouthwest
Tue 4/1107:40IAD - LAX
2 stops9h 55mSouthwest
Deal found 16/9£177
Sun 2/1105:35LAX - IAD
1 stop10h 25mSouthwest
Tue 4/1107:40IAD - LAX
2 stops9h 55mSouthwest
Deal found 16/9£182
Mon 3/1113:30LAX - IAD
Nonstop4h 56mUnited Airlines
Tue 4/1109:10IAD - LAX
Nonstop5h 54mUnited Airlines
Deal found 15/9£184
Fri 31/1008:35LAX - IAD
1 stop10h 50mSouthwest
Wed 5/1107:40IAD - LAX
1 stop7h 15mSouthwest
Deal found 16/9£185

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 17 September 2025.
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

Los Angeles

Fly to

Dulles Intl

Route

Depart

Return

Price

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 8/11

08:40-16:26

Nonstop4h 46m

Washington, D.C. Dulles Intl

Sat 15/11

18:59-21:50

Nonstop5h 51m

£188

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 19/11

05:50-15:45

1 stop6h 55m

Washington, D.C. Dulles Intl

Tue 25/11

05:00-14:50

1 stop12h 50m

£199

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 28/10

08:30-23:05

2 stops11h 35m

Washington, D.C. Dulles Intl

Sat 22/11

19:45-00:20

1 stop7h 35m

£199

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 12/11

16:34-00:15

Nonstop4h 41m

Washington, D.C. Dulles Intl

Sun 16/11

06:24-09:15

Nonstop5h 51m

£203

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 23/10

21:35-05:38

Nonstop5h 03m

Washington, D.C. Dulles Intl

Wed 29/10

22:08-00:59

Nonstop5h 51m

£203

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 24/10

05:20-17:40

1 stop9h 20m

Washington, D.C. Dulles Intl

Wed 29/10

18:40-23:00

1 stop7h 20m

£210

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 23/2

12:55-20:47

Nonstop4h 52m

Washington, D.C. Dulles Intl

Sat 7/3

22:05-00:30

Nonstop5h 25m

£218

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 12/11

20:10-17:13

2 stops18h 03m

Washington, D.C. Dulles Intl

Sun 16/11

17:40-07:20

2 stops16h 40m

£228

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 24/10

05:20-17:40

1 stop9h 20m

Washington, D.C. Dulles Intl

Fri 24/10

19:45-00:10

1 stop7h 25m

£232

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 29/10

08:30-23:05

2 stops11h 35m

Washington, D.C. Dulles Intl

Wed 5/11

07:40-16:15

2 stops11h 35m

£240

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 20 results
1
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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?

Use this chart to determine the optimal time to book a return flight from Los Angeles to Dulles Intl. Price data was last updated on 12 September 2025.

Booking 81 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, January is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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 17 September 2025.

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

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 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 18 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 4h 46m. 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 Brussels Airlines (90%), Austrian Airlines (88%) or United Airlines (88%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Los Angeles to Washington, D.C. Dulles Intl Airport?

    On average you can expect to pay £177 for a flight from Los Angeles to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is £177 while the most popular route, (Los Angeles - Washington, D.C. Dulles Intl) is currently priced at £205.

  • 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, January is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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
Woodbridge
Arlington
College Park
Tysons

Browse thousands of different options on Cheapflights for your next trip

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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.
Los Angeles to Reagan-National flights
San Francisco to Dulles Intl flights

Fly with Cheapflights

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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?

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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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