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Dulles Intl

$141+ Cheap flights from Los Angeles (LAX) to Dulles Intl (IAD)

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Sep 14 — Sep 211
Mon 9/14
Mon 9/21
1 adult, Economy
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Find cheap flights from Los Angeles to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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3. Compare prices and book

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Cheapflights Tip: The best prices from Los Angeles Los Angeles to Washington, D.C. Dulles Intl are usually found in October or September, booked 82 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap 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 August 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:15 am -
1 stop18h 49m
Mon 9/79:44 pm -
1 stop23h 34m
Deal found 8/13$261
This eDestinos deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:55 am -
2 stops31h 19m
Wed 9/911:12 am -
2 stops15h 17m
Deal found 8/13$262
This CheapOair deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:27 pm -
1 stop28h 53m
Sun 10/116:00 am -
1 stop29h 20m
Deal found 8/12$263
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:27 pm -
1 stop30h 37m
Wed 9/911:12 am -
1 stop9h 58m
Deal found 8/13$264
This CheapOair deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:30 am -
1 stop15h 50m
Sun 9/276:00 am -
1 stop28h 47m
Deal found 8/14$265
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:27 pm -
1 stop6h 37m
Thu 9/38:59 am -
1 stop9h 07m
Deal found 8/11$266
This Expedia deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:18 am -
1 stop11h 41m
Mon 11/21:30 pm -
1 stop12h 58m
Deal found 8/11$267
This Frontier deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:22 pm -
1 stop6h 42m
Sun 9/66:20 am -
1 stop13h 34m
Deal found 8/11$268
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:22 pm -
1 stop6h 42m
Wed 9/26:20 am -
1 stop13h 34m
Deal found 8/12$269
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:22 pm -
2 stops15h 52m
Thu 9/1011:12 am -
1 stop9h 58m
Deal found 8/11$270
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:50 pm -
1 stop14h 46m
Sat 11/77:00 am -
1 stop14h 48m
Deal found 8/11$271
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:50 pm -
1 stop14h 46m
Mon 11/21:30 pm -
1 stop12h 58m
Deal found 8/14$272

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 August 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(Kiwi.com)

One-way from

$141
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$403

Good round-trip deal

$357 or less

Good one-way deal

$292 or less
Provider with most accurate pricing for Los Angeles Los Angeles-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles Los Angeles-Washington, D.C. Dulles Intl flights.
Search Deals
From Los Angeles Los Angeles to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Los Angeles Los Angeles to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Los Angeles Los Angeles to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Los Angeles Los Angeles to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated August 15, 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 round-trip

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Mon 9/21

9:39 pm-5:40 am

Nonstop5h 01m

Washington, D.C. Dulles Intl

Fri 9/25

12:58 pm-3:19 pm

Nonstop5h 21m

$297

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Thu 9/24

11:30 pm-7:21 am

Nonstop4h 51m

Washington, D.C. Dulles Intl

Sun 9/27

7:00 am-9:33 am

Nonstop5h 33m

$367

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Fri 9/4

4:15 pm-12:16 am

Nonstop5h 01m

Washington, D.C. Dulles Intl

Wed 9/9

1:00 pm-3:23 pm

Nonstop5h 23m

$367

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Sat 8/29

8:20 am-4:27 pm

Nonstop5h 07m

Washington, D.C. Dulles Intl

Sat 9/5

5:42 pm-8:19 pm

Nonstop5h 37m

$377

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Thu 10/22

9:18 am-11:59 pm

1 stop11h 41m

Washington, D.C. Dulles Intl

Sun 10/25

7:02 am-5:03 pm

1 stop13h 01m

$397
Quickest round-trip

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Thu 10/1

10:30 pm-6:29 am

Nonstop4h 59m

Washington, D.C. Dulles Intl

Fri 10/2

12:58 pm-3:19 pm

Nonstop5h 21m

$407

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Sat 9/26

9:44 am-5:40 am

2 stops16h 56m

Washington, D.C. Dulles Intl

Thu 10/1

7:00 am-3:57 pm

1 stop11h 57m

$425

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Wed 9/16

9:44 am-5:40 am

2 stops16h 56m

Washington, D.C. Dulles Intl

Wed 9/23

7:00 am-3:57 pm

1 stop11h 57m

$425

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Thu 10/1

10:30 pm-6:29 am

Nonstop4h 59m

Washington, D.C. Dulles Intl

Sun 10/4

8:25 am-10:56 am

Nonstop5h 31m

$427

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Sat 11/7

1:18 pm-5:44 am

1 stop13h 26m

Washington, D.C. Dulles Intl

Sun 11/15

6:46 pm-11:11 am

2 stops19h 25m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 23 resultsSorted by cheapest first
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Compare providers for flights from Los Angeles to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Los Angeles to Dulles Intl in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Los Angeles-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Los Angeles-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Los Angeles-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Los Angeles-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Los Angeles-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 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, October is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of $379). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $499). 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 August 15, 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 23% versus a flight at noon.

What is the cheapest day to fly from Los Angeles to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Los Angeles to Dulles Intl. Price data was last updated on August 8, 2026.

Travelers seeking maximum savings on their Los Angeles to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Los Angeles to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Los Angeles to Washington, D.C. Dulles Intl Airport flights typically cost between $316 and $550 in September.
The cheapest round-trip price found within the last 5 days was $261 on Frontier (Sep 1-Sep 7).

The best insider tips for Los Angeles to Washington, D.C. Dulles Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Los Angeles to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Paul Rubio

Paul Rubio

Expert on Ethiopian Air

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LAX and IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated August 15, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Los Angeles to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,220 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Southwest
8.0
Very good
4,220 reviews
Southwest
8.0
Very good
4,220 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Delta
7.8
Good
8,509 reviews
Southwest
8.0
Very good
4,220 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
United Airlines
7.4
Good
10,113 reviews
Southwest
8.0
Very good
4,220 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
American Airlines
7.1
Good
11,941 reviews
Southwest
8.0
Very good
4,220 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Frontier
5.6
Fair
2,694 reviews
Southwest
8.0
Very good
4,220 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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?

    Most people fly from Los Angeles Los Angeles (LAX) if they book a flight from Los Angeles to Washington, D.C. Dulles Intl. On average, Los Angeles has 20 outbound flights to Washington, D.C. Dulles Intl per day from 7 airlines. Los Angeles Los Angeles is conveniently located just 9.4 mi from Los Angeles’s city center.

  • 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 01m. Fly via United Airlines or Alaska Airlines to get the fastest option. Airlines will cover a distance of 2282 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Los Angeles to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at $139, Frontier will fly you from Los Angeles to Washington, D.C. Dulles Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $237 and $245, respectively. You may be able to fly from Los Angeles to Washington, D.C. Dulles Intl Airport for 68% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Los Angeles to Washington, D.C. Dulles Intl Airport one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $104. Southwest flights start at $128 while deals on American Airlines start at $133 one-way.

  • 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 ITA Airways (97%), Egyptair (92%) or Asiana Airlines (92%) 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?

    While on average a flight from Los Angeles to Washington, D.C. Dulles Intl Airport is generally $1,497, our data shows the cheapest flight currently is $179. When looking at the most popular route, (Los Angeles Los Angeles - Washington, D.C. Dulles Intl), you can expect to pay $214 for that flight.

  • 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 vacation 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, October is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of $379). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $499). 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

Traveling 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
Alexandria
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Oxon Hill
Clinton
Hunt Valley
Woodbridge

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
Los Angeles to Baltimore flights
San Francisco to Dulles Intl flights
San Francisco to Reagan-National flights
San Francisco to Baltimore flights
San Diego to Dulles Intl flights
Ontario to Dulles Intl flights
Ontario to Reagan-National flights
Ontario to Baltimore flights
Santa Ana to Dulles Intl flights
Sacramento to Dulles Intl flights
Las Vegas to Dulles Intl flights
San Diego to Baltimore flights
San Diego to Reagan-National flights
Oakland to Dulles Intl flights
San Jose to Dulles Intl flights
San Jose to Baltimore flights
San Jose to Reagan-National flights
Las Vegas to Baltimore flights
Las Vegas to Reagan-National flights
Santa Ana to Baltimore flights
Oakland to Reagan-National flights
Oakland to Baltimore flights
Santa Ana to Reagan-National flights
Sacramento to Reagan-National flights
Sacramento to Baltimore flights
Burbank to Dulles Intl flights
Fresno to Dulles Intl flights
Monterey to Dulles Intl flights
Fresno to Reagan-National flights
Long Beach to Dulles Intl flights
Burbank to Baltimore flights
Palm Springs to Dulles Intl flights
Monterey to Baltimore flights
Reno to Dulles Intl flights
Burbank to Reagan-National flights
Fresno to Baltimore flights
Reno to Baltimore flights
Reno to Reagan-National flights
Monterey to Reagan-National flights
San Luis Obispo to Baltimore flights
San Luis Obispo to Dulles Intl flights
Palm Springs to Reagan-National flights
San Luis Obispo to Reagan-National flights
Santa Barbara to Dulles Intl flights
Long Beach to Reagan-National flights
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Top 7 airlines flying from Los Angeles to Dulles Intl

Discover the top 7 airlines that operate flights from Los Angeles to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$139Average$324FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$237Average$447FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$245Average$446FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$381FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$271Average$425FlexibilityNo cancel feeOn-time62%
DeltaCheapest$307Average$597FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$316Average$525FlexibilityNo cancel feeOn-time75%

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