Cheap flights from Los Angeles to Washington, D.C. Dulles Intl Airport from £108

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
14 Jan — 21 Jan1
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 15 December 2025.

Thu 25/1208:40LAX - IAD
Nonstop4h 42mUnited Airlines
Mon 5/122:05IAD - LAX
Nonstop5h 42mUnited Airlines
Deal found 14/12£249
Wed 17/1206:55LAX - IAD
Nonstop4h 55mUnited Airlines
Tue 6/118:45IAD - LAX
Nonstop5h 56mUnited Airlines
Deal found 13/12£254
Wed 17/1211:00LAX - IAD
Nonstop4h 54mUnited Airlines
Mon 5/120:15IAD - LAX
Nonstop5h 55mUnited Airlines
Deal found 13/12£269
Sat 27/1210:50LAX - IAD
Nonstop4h 55mUnited Airlines
Sat 3/106:10IAD - LAX
Nonstop5h 53mUnited Airlines
Deal found 13/12£278
Wed 17/1208:35LAX - IAD
2 stops10h 25mSouthwest
Tue 6/116:30IAD - LAX
1 stop7h 55mSouthwest
Deal found 13/12£288
Wed 24/1216:50LAX - IAD
Nonstop4h 55mUnited Airlines
Fri 2/106:10IAD - LAX
Nonstop5h 53mUnited Airlines
Deal found 13/12£290
Sun 28/1216:50LAX - IAD
Nonstop4h 55mUnited Airlines
Sat 10/108:25IAD - LAX
Nonstop6h 00mUnited Airlines
Deal found 12/12£291
Wed 24/1216:50LAX - IAD
Nonstop4h 55mUnited Airlines
Sun 4/107:45IAD - LAX
Nonstop5h 53mUnited Airlines
Deal found 14/12£292
Thu 18/1213:20LAX - IAD
Nonstop4h 55mUnited Airlines
Tue 6/118:45IAD - LAX
Nonstop5h 56mUnited Airlines
Deal found 14/12£297
Wed 31/1213:20LAX - IAD
Nonstop4h 55mUnited Airlines
Mon 5/108:45IAD - LAX
Nonstop6h 01mUnited Airlines
Deal found 13/12£301
Wed 24/1216:50LAX - IAD
Nonstop4h 55mUnited Airlines
Wed 7/118:00IAD - LAX
Nonstop5h 44mUnited Airlines
Deal found 14/12£309

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 15 December 2025.

Round-trip from

£192

One-way from

£108

Popular in

December

Cheapest in

May

Average price

£366
United Airlines
  • United Airlines
  • 9/1-11/1
  • Nonstop
  • 10h 39m total
  • Los Angeles to Washington, D.C.
Southwest
  • Southwest
  • 13/1
  • 2 total stops
  • 10h 10m total
  • Los Angeles to Washington, D.C.
Highest demand for flights based on searches. 14% potential increase in price (£35 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in December 2025

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 15 December 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

Fri 30/1

12:40-20:35

Nonstop4h 55m

Washington, D.C. Dulles Intl

Mon 2/2

15:19-18:05

Nonstop5h 46m

£192

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 9/1

12:40-20:35

Nonstop4h 55m

Washington, D.C. Dulles Intl

Sun 11/1

18:00-20:44

Nonstop5h 44m

£192

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 13/1

13:25-21:19

Nonstop4h 54m

Washington, D.C. Dulles Intl

Sat 17/1

08:25-11:25

Nonstop6h 00m

£192

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 8/1

08:40-16:22

Nonstop4h 42m

Washington, D.C. Dulles Intl

Sun 11/1

18:45-21:41

Nonstop5h 56m

£192

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 21/1

05:45-16:50

1 stop8h 05m

Washington, D.C. Dulles Intl

Sat 24/1

07:00-14:00

1 stop10h 00m

£207

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 5/1

23:30-07:18

Nonstop4h 48m

Washington, D.C. Dulles Intl

Wed 14/1

15:19-18:05

Nonstop5h 46m

£207

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 8/1

06:30-15:50

1 stop6h 20m

Washington, D.C. Dulles Intl

Sun 11/1

05:30-10:10

1 stop7h 40m

£222

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 12/6

21:30-05:15

Nonstop4h 45m

Washington, D.C. Dulles Intl

Thu 25/6

17:30-19:54

Nonstop5h 24m

£222

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 9/4

13:08-21:10

Nonstop5h 02m

Washington, D.C. Dulles Intl

Mon 13/4

15:25-18:10

Nonstop5h 45m

£222

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 10/4

22:35-06:36

Nonstop5h 01m

Washington, D.C. Dulles Intl

Sun 12/4

22:17-01:06

Nonstop5h 49m

£237

Flights are sorted by cheapest return flights first.

Deals found on 14/12

Showing 1-10 of 21 results
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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 December 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, February is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of £109). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of £200). 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 15 December 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 in the afternoon, which can drop the price by up to 36% versus a flight at midday.

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 22 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 55m. 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 Asiana Airlines (94%), Egyptair (92%) or Virgin Australia (90%) 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, February is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of £109). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of £200). 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
Alexandria
College Park

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Alternative routes for Los Angeles to Dulles Intl

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

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

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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.

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