Cheap flights from Los Angeles to Washington, D.C. Dulles Intl Airport from $195

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
14 Mar — 21 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Los Angeles to Washington, D.C. Dulles Intl are usually found in May or July, booked 82 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 12 February 2026.

Thu 5/306:15
LAX
-
IAD
1 stop6h 50m
Southwest
Wed 11/318:10
IAD
-
LAX
1 stop7h 45m
Southwest
Deal found 10/2$361
Wed 4/312:30
LAX
-
IAD
1 stop6h 25m
Southwest
Sun 8/305:05
IAD
-
LAX
1 stop11h 55m
Southwest
Deal found 9/2$368
Sat 6/623:10
LAX
-
IAD
Nonstop5h 02m
United Airlines
Tue 9/622:10
IAD
-
LAX
Nonstop5h 36m
United Airlines
Deal found 11/2$372
Wed 29/410:45
LAX
-
IAD
2 stops9h 55m
Southwest
Tue 5/506:20
IAD
-
LAX
2 stops9h 40m
Southwest
Deal found 11/2$375
Wed 1/716:42
LAX
-
IAD
Nonstop5h 05m
United Airlines
Sun 5/722:10
IAD
-
LAX
Nonstop5h 36m
United Airlines
Deal found 9/2$379
Wed 13/516:42
LAX
-
IAD
Nonstop5h 03m
United Airlines
Sun 17/522:11
IAD
-
LAX
Nonstop5h 44m
United Airlines
Deal found 8/2$384
Mon 9/321:29
LAX
-
IAD
Nonstop4h 52m
United Airlines
Wed 11/308:46
IAD
-
LAX
Nonstop5h 54m
United Airlines
Deal found 9/2$389
Wed 11/316:37
LAX
-
IAD
Nonstop4h 51m
United Airlines
Sun 15/322:05
IAD
-
LAX
Nonstop6h 04m
United Airlines
Deal found 10/2$391
Tue 17/316:37
LAX
-
IAD
Nonstop4h 51m
United Airlines
Tue 24/322:05
IAD
-
LAX
Nonstop6h 04m
United Airlines
Deal found 10/2$396
Wed 18/316:37
LAX
-
IAD
Nonstop4h 51m
United Airlines
Sat 21/322:05
IAD
-
LAX
Nonstop6h 04m
United Airlines
Deal found 9/2$399
Thu 7/522:10
LAX
-
IAD
Nonstop5h 02m
United Airlines
Mon 11/517:55
IAD
-
LAX
Nonstop5h 50m
United Airlines
Deal found 9/2$402

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 12 February 2026.

Round-trip from

$361

One-way from

$195

Popular in

December

Cheapest in

May

Average price

$603
Southwest
  • Southwest
  • 31/3-2/4
  • 2 total stops
  • 16h 35m total
  • Los Angeles to Washington, D.C.
United Airlines
  • United Airlines
  • 8/6
  • Nonstop
  • 5h 05m total
  • Los Angeles to Washington, D.C.
Highest demand for flights based on searches. 12% potential increase in price ($105 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($17 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 647,157 searches. Data last updated 12 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

Wed 18/3

06:30-17:20

1 stop7h 50m

Washington, D.C. Dulles Intl

Mon 23/3

19:45-00:15

1 stop7h 30m

$361

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 4/3

05:45-16:50

1 stop8h 05m

Washington, D.C. Dulles Intl

Sat 7/3

16:45-00:20

1 stop10h 35m

$361

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 17/3

05:05-15:55

1 stop7h 50m

Washington, D.C. Dulles Intl

Wed 1/4

05:50-13:10

1 stop10h 20m

$361

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 15/4

10:45-23:40

2 stops9h 55m

Washington, D.C. Dulles Intl

Fri 17/4

05:55-11:20

1 stop8h 25m

$368

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 6/3

08:20-18:55

1 stop7h 35m

Washington, D.C. Dulles Intl

Sun 8/3

05:05-13:00

1 stop11h 55m

$368

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 6/3

06:15-16:05

1 stop6h 50m

Washington, D.C. Dulles Intl

Tue 10/3

16:45-22:35

2 stops8h 50m

$368

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 4/3

08:45-21:55

2 stops10h 10m

Washington, D.C. Dulles Intl

Sun 8/3

05:05-13:00

1 stop11h 55m

$377

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 18/6

16:42-00:47

Nonstop5h 05m

Washington, D.C. Dulles Intl

Mon 22/6

22:10-00:46

Nonstop5h 36m

$379

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 2/7

16:42-00:47

Nonstop5h 05m

Washington, D.C. Dulles Intl

Sun 5/7

22:10-00:46

Nonstop5h 36m

$379

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 29/4

16:42-00:45

Nonstop5h 03m

Washington, D.C. Dulles Intl

Thu 30/4

20:29-23:15

Nonstop5h 46m

$389

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Showing 1-10 of 22 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 6 February 2026.

The price you pay for your flight from Los Angeles to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $219). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $375). 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 12 February 2026.

A simple way to save on the total cost of your ticket is to fly from Los Angeles to Washington, D.C. Dulles Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the evening.

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?

    If you book a flight to Washington, D.C. Dulles Intl from Los Angeles, you will be flying from Los Angeles, which is the city’s only airport. Los Angeles (LAX) is located 15.1 km from the centre of Los Angeles. There are 7 flights from Los Angeles to Washington, D.C. Dulles Intl per day from 0 different airlines.

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

    A quick flight from Los Angeles to Washington, D.C. Dulles Intl Airport can take about 6h 10m. Southwest provides one of the quickest options available for as low as $361. Airlines will cover a distance of 3673 km.

  • 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 $219). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $375). 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
Linthicum Heights

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

Yes, we can. To see specific flights from Los Angeles to Dulles Intl 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 Los Angeles to Dulles Intl become cheaper?

Not ready to book yet? You can track prices for flights from Los Angeles to Dulles Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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