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Dulles Intl

$152+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
May 1 — May 81
Fri 5/1
Fri 5/8
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”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Los Angeles to Washington, D.C. Dulles Intl are usually found in May or July, booked 90 days in advance, depart on a Thursday or Wednesday 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 April 1, 2026.

This CheapOair deal was found by Cheapflights users on 3/30. 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.
Wed 6/2411:20 pm
LAX
-
IAD
1 stop7h 56m
Frontier
Wed 7/19:20 am
IAD
-
LAX
1 stop27h 05m
Frontier
Deal found 3/30$275
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:20 pm
LAX
-
IAD
1 stop7h 56m
Frontier
Sat 6/2711:11 am
IAD
-
LAX
1 stop8h 54m
Frontier
Deal found 3/31$276
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Sat 4/259:04 pm
LAX
-
IAD
1 stop10h 18m
Frontier
Sun 5/1012:36 pm
IAD
-
LAX
2 stops22h 59m
Frontier
Deal found 3/31$277
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/161:52 pm
LAX
-
IAD
1 stop7h 44m
Multiple Airlines
Sat 4/187:05 am
IAD
-
LAX
2 stops12h 17m
Multiple Airlines
Deal found 3/30$278
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/141:52 pm
LAX
-
IAD
1 stop7h 44m
Frontier
Thu 4/169:41 am
IAD
-
LAX
2 stops25h 00m
Frontier
Deal found 3/28$279
This Frontier deal was found by Cheapflights users on 3/31. 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 4/201:52 pm
LAX
-
IAD
1 stop7h 44m
Frontier
Fri 4/246:00 am
IAD
-
LAX
1 stop9h 36m
Frontier
Deal found 3/31$280
This CheapOair deal was found by Cheapflights users on 3/31. 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.
Fri 9/411:03 pm
LAX
-
IAD
1 stop10h 50m
Frontier
Mon 9/71:38 pm
IAD
-
LAX
1 stop31h 49m
Frontier
Deal found 3/31$281
This Frontier deal was found by Cheapflights users on 4/1. 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.
Wed 5/67:10 pm
LAX
-
IAD
1 stop13h 31m
Frontier
Mon 5/181:31 pm
IAD
-
LAX
1 stop13h 22m
Frontier
Deal found 4/1$282
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Mon 4/271:52 pm
LAX
-
IAD
1 stop7h 44m
Frontier
Wed 4/296:20 am
IAD
-
LAX
2 stops16h 49m
Frontier
Deal found 3/28$283
This Orbitz deal was found by Cheapflights users on 3/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:15 pm
LAX
-
IAD
1 stop8h 35m
Frontier
Wed 7/2911:12 am
IAD
-
LAX
1 stop8h 53m
Frontier
Deal found 3/28$284
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Mon 4/201:52 pm
LAX
-
IAD
1 stop7h 44m
Multiple Airlines
Tue 4/218:20 am
IAD
-
LAX
2 stops18h 33m
Multiple Airlines
Deal found 3/31$285
This Super.com deal was found by Cheapflights users on 3/27. 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.
Thu 4/910:51 pm
LAX
-
IAD
1 stop10h 19m
Frontier
Wed 4/157:00 am
IAD
-
LAX
1 stop8h 36m
Frontier
Deal found 3/27$286

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 April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$275
(CheapOair)

One-way from

$152
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$367

Good round-trip deal

$359 or less

Good one-way deal

$239 or less
Provider with most accurate pricing for Los Angeles-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Washington, D.C. Dulles Intl flights.
Search Deals
From Los Angeles to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Los Angeles to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Los Angeles to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from 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 April 1, 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
Quickest round-trip

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 6/25

10:41 pm-6:47 am

Nonstop5h 06m

Washington, D.C. Dulles Intl

Tue 6/30

7:00 am-9:26 am

Nonstop5h 26m

$297

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 6/1

9:35 pm-5:41 am

Nonstop5h 06m

Washington, D.C. Dulles Intl

Thu 6/4

7:00 am-9:26 am

Nonstop5h 26m

$337

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 5/27

12:20 pm-11:40 pm

1 stop8h 20m

Washington, D.C. Dulles Intl

Sun 5/31

5:50 am-12:45 pm

2 stops9h 55m

$342

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 5/14

9:25 am-12:15 am

1 stop11h 50m

Washington, D.C. Dulles Intl

Tue 5/19

5:21 pm-10:42 pm

1 stop8h 21m

$378

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 4/29

8:30 am-4:29 pm

Nonstop4h 59m

Washington, D.C. Dulles Intl

Wed 4/29

8:53 pm-11:44 pm

Nonstop5h 51m

$401

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 4/23

11:20 pm-7:25 am

Nonstop5h 05m

Washington, D.C. Dulles Intl

Fri 4/24

8:53 pm-11:44 pm

Nonstop5h 51m

$447

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 4/10

10:34 pm-6:36 am

Nonstop5h 02m

Washington, D.C. Dulles Intl

Mon 4/13

10:05 pm-12:55 am

Nonstop5h 50m

$467

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 5/14

11:10 am-12:20 am

2 stops10h 10m

Washington, D.C. Dulles Intl

Sun 5/31

5:50 am-12:45 pm

2 stops9h 55m

$468

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 4/6

11:05 am-12:15 am

1 stop10h 10m

Washington, D.C. Dulles Intl

Tue 5/5

6:20 am-1:00 pm

2 stops9h 40m

$473

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 5/8

11:10 am-12:20 am

2 stops10h 10m

Washington, D.C. Dulles Intl

Fri 5/22

5:55 am-12:35 pm

2 stops9h 40m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust 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?

Use this chart to determine the optimal time to book a round-trip flight from Los Angeles to Dulles Intl. Price data was last updated on March 13, 2026.

Booking 90 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 $155). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $277). 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 April 1, 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 30% 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 March 28, 2026.

Travelers seeking maximum savings on their Los Angeles to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday 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?

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 April 1, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andHawaiian 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
4,337 reviews

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,337 reviews
Southwest
8.0
Very good
4,337 reviews

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Alaska Airlines
7.9
Good
12,149 reviews
Southwest
8.0
Very good
4,337 reviews

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Hawaiian Airlines
7.8
Good
2,838 reviews
Southwest
8.0
Very good
4,337 reviews

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,535 reviews
Southwest
8.0
Very good
4,337 reviews

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.7
Fair
3,004 reviews
Southwest
8.0
Very good
4,337 reviews

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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 (LAX) if they book a flight from Los Angeles to Washington, D.C. Dulles Intl. On average, Los Angeles has 21 outbound flights to Washington, D.C. Dulles Intl per day from 9 airlines. 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 06m. Fly via United Airlines, Southwest, or Delta 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 $50, Spirit Airlines will fly you from Los Angeles to Washington, D.C. Dulles Intl Airport and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Hawaiian Airlines - these airlines can fly you to your destination from $102 and $113, respectively. You may be able to fly from Los Angeles to Washington, D.C. Dulles Intl Airport for 87% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $48. Frontier flights start at $72 while deals on Hawaiian Airlines start at $98 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 Air China (88%), Asiana Airlines (87%) or Lufthansa (85%) 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 $1,110, our data shows the cheapest flight currently is $158. When looking at the most popular route, (Los Angeles - Washington, D.C. Dulles Intl), you can expect to pay $217 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, August is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of $155). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $277). 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
Woodbridge
Tysons
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
Cordova
Manassas

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Baltimore flights
Ontario to Reagan-National flights
San Diego to Baltimore flights
San Diego to Reagan-National flights
San Jose to Dulles Intl flights
Sacramento to Dulles Intl flights
San Jose to Baltimore flights
Las Vegas to Dulles Intl flights
San Jose to Reagan-National flights
Santa Ana to Dulles Intl flights
Oakland to Dulles Intl flights
Oakland to Reagan-National flights
Las Vegas to Baltimore flights
Oakland to Baltimore flights
Santa Ana to Reagan-National flights
Santa Ana to Baltimore flights
Sacramento to Reagan-National flights
Las Vegas to Reagan-National flights
Reno to Dulles Intl flights
Sacramento to Baltimore flights
Burbank to Dulles Intl flights
Reno to Reagan-National flights
Burbank to Baltimore flights
Fresno to Dulles Intl flights
Burbank to Reagan-National flights
Reno to Baltimore flights
Fresno to Reagan-National flights
Long Beach to Dulles Intl flights
Palm Springs to Dulles Intl flights
Fresno to Baltimore flights
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Top 9 airlines flying from Los Angeles to Dulles Intl

Discover the top 9 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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$50Average$175FlexibilityNo cancel feeOn-time65%
FrontierCheapest$102Average$263FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$113Average$307FlexibilityNo cancel feeOn-time85%
DeltaCheapest$168Average$550FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$227Average$337FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$227Average$407FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$237Average$386FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$366FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$394Average$425FlexibilityNo cancel feeOn-time62%

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