Cheap flights from Los Angeles to Washington, D.C. Dulles Intl Airport from £102

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
17 Mar — 24 Mar1
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 February 2026.

Thu 5/308:20
LAX
-
IAD
1 stop7h 35m
Southwest
Wed 11/316:45
IAD
-
LAX
1 stop7h 30m
Southwest
Deal found 12/2£188
Mon 9/311:05
LAX
-
IAD
1 stop10h 10m
Southwest
Thu 12/305:50
IAD
-
LAX
1 stop7h 15m
Southwest
Deal found 13/2£192
Sat 11/421:20
LAX
-
IAD
Nonstop5h 05m
United Airlines
Sun 12/419:49
IAD
-
LAX
Nonstop5h 46m
United Airlines
Deal found 13/2£195
Wed 8/410:55
LAX
-
IAD
2 stops9h 45m
Southwest
Sat 11/405:50
IAD
-
LAX
2 stops9h 20m
Southwest
Deal found 14/2£195
Wed 4/308:45
LAX
-
IAD
2 stops10h 10m
Southwest
Sun 8/305:05
IAD
-
LAX
1 stop11h 55m
Southwest
Deal found 11/2£196
Wed 1/716:42
LAX
-
IAD
Nonstop5h 05m
United Airlines
Sun 5/722:10
IAD
-
LAX
Nonstop5h 36m
United Airlines
Deal found 13/2£198
Mon 9/323:39
LAX
-
IAD
Nonstop4h 50m
United Airlines
Tue 10/318:00
IAD
-
LAX
Nonstop5h 41m
United Airlines
Deal found 13/2£203
Tue 17/316:37
LAX
-
IAD
Nonstop4h 51m
United Airlines
Sat 21/319:25
IAD
-
LAX
Nonstop6h 03m
United Airlines
Deal found 13/2£206
Wed 24/623:10
LAX
-
IAD
Nonstop5h 02m
United Airlines
Sun 28/622:10
IAD
-
LAX
Nonstop5h 36m
United Airlines
Deal found 11/2£208
Wed 18/323:39
LAX
-
IAD
Nonstop4h 50m
United Airlines
Sat 21/319:25
IAD
-
LAX
Nonstop6h 03m
United Airlines
Deal found 11/2£210
Fri 12/623:10
LAX
-
IAD
Nonstop5h 02m
United Airlines
Mon 15/622:10
IAD
-
LAX
Nonstop5h 36m
United Airlines
Deal found 11/2£212
Wed 18/321:29
LAX
-
IAD
Nonstop4h 52m
United Airlines
Sun 22/322:05
IAD
-
LAX
Nonstop6h 04m
United Airlines
Deal found 14/2£216

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 February 2026.

Round-trip from

£188

One-way from

£102

Popular in

December

Cheapest in

May

Average price

£342
Southwest
  • Southwest
  • 5/3-11/3
  • 2 total stops
  • 15h 05m total
  • Los Angeles to Washington, D.C.
United Airlines
  • United Airlines
  • 24/4
  • Nonstop
  • 5h 03m total
  • Los Angeles to Washington, D.C.
Highest demand for flights based on searches. 11% potential increase in price (£27 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 February 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 15 February 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

Los Angeles

Fly to

Dulles Intl

Route

Depart

Return

Price

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 31/3

14:30-23:40

1 stop6h 10m

Washington, D.C. Dulles Intl

Tue 7/4

17:30-22:00

1 stop7h 30m

£188

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 23/4

05:10-17:05

1 stop8h 55m

Washington, D.C. Dulles Intl

Sun 26/4

05:50-10:00

1 stop7h 10m

£188

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 14/4

06:20-15:50

1 stop6h 30m

Washington, D.C. Dulles Intl

Tue 14/4

17:30-22:00

1 stop7h 30m

£188

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 9/3

11:05-00:15

1 stop10h 10m

Washington, D.C. Dulles Intl

Wed 11/3

16:45-22:40

1 stop8h 55m

£192

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 16/3

11:05-00:15

1 stop10h 10m

Washington, D.C. Dulles Intl

Tue 17/3

05:50-10:20

1 stop7h 30m

£192

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 22/4

10:45-23:40

2 stops9h 55m

Washington, D.C. Dulles Intl

Sat 25/4

15:55-20:30

1 stop7h 35m

£192

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 29/4

06:35-16:50

1 stop7h 15m

Washington, D.C. Dulles Intl

Sat 2/5

05:50-12:10

2 stops9h 20m

£192

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 16/3

11:05-00:15

1 stop10h 10m

Washington, D.C. Dulles Intl

Fri 20/3

19:45-00:15

1 stop7h 30m

£192

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 8/4

10:45-23:40

2 stops9h 55m

Washington, D.C. Dulles Intl

Sat 11/4

05:50-10:30

1 stop7h 40m

£192

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 17/6

23:30-07:33

Nonstop5h 03m

£102

Flights are sorted by cheapest return flights first.

Deals found on 14/2

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 13 February 2026.

Booking 82 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, August is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of £114). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of £195). 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 February 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 evening, which can drop the price by up to 60% 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 23 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 6h 10m. Fly via Southwest to get the fastest option. There are 2282 mi between Los Angeles and Washington, D.C. Dulles Intl Airport.

  • 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 Egyptair (92%), Asiana Airlines (88%) or Air New Zealand (85%) 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, August is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of £114). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of £195). 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.

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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