Ethiopian's Cloud 9 offers lie-flat beds on select aircraft for superior comfort.
Ethiopian's ShebaSkyConnect Wi-Fi is available on A350, B777, and most B787 aircraft.
$131+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Dec 19 — Dec 261
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Los Angeles to Washington, D.C. Dulles Intl are usually found in May or July, booked 81 days in advance, depart on a Thursday or Wednesday and return on a Wednesday
Cheap 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 November 19, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $246 (Kiwi.com) |
One-way from | $131 (CheapOair) |
Popular in | November |
Cheapest in | May |
Average price | $487 |
Good round-trip deal | $373 or less |
Good one-way deal | $198 or less |
Find flight deals from Los Angeles to Dulles Intl
Cheapest flights from Los Angeles to Dulles IntlExplore 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 November 19, 2025.
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 November 19, 2025.
This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
Sun 12/146:00 amLAX - IAD
1 stop7h 24mMultiple Airlines
Tue 12/169:00 amIAD - LAX
2 stops15h 15mMultiple Airlines
Deal found 11/17![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
Wed 12/3111:43 pmLAX - IAD
2 stops15h 33mMultiple Airlines
Wed 1/76:00 amIAD - LAX
1 stop10h 33mMultiple Airlines
Deal found 11/17![Multiple Airlines logo]()
$248
This Trip.com deal was found by Cheapflights users on 11/17. 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.
Sun 12/2810:45 pmLAX - IAD
1 stop9h 53mFrontier
Fri 1/96:00 amIAD - LAX
1 stop11h 05mFrontier
Deal found 11/17![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 12/58:51 pmLAX - IAD
2 stops23h 14mMultiple Airlines
Thu 12/115:45 amIAD - LAX
1 stop10h 26mMultiple Airlines
Deal found 11/18![Multiple Airlines logo]()
$250
This eDestinos deal was found by Cheapflights users on 11/18. 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.
Thu 12/1110:39 pmLAX - IAD
1 stop21h 26mFrontier
Sun 12/149:20 pmIAD - LAX
2 stops25h 45mFrontier
Deal found 11/18![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 12/86:00 amLAX - IAD
1 stop8h 25mMultiple Airlines
Wed 12/179:00 amIAD - LAX
2 stops18h 18mMultiple Airlines
Deal found 11/17![Multiple Airlines logo]()
$252
This Frontier deal was found by Cheapflights users on 11/18. 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.
Tue 12/210:45 pmLAX - IAD
1 stop12h 44mFrontier
Fri 12/125:45 amIAD - LAX
1 stop10h 02mFrontier
Deal found 11/18![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 12/56:00 amLAX - IAD
1 stop7h 24mMultiple Airlines
Wed 12/109:00 amIAD - LAX
2 stops27h 29mMultiple Airlines
Deal found 11/18![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 11/275:45 amLAX - IAD
1 stop9h 01mMultiple Airlines
Tue 12/29:00 amIAD - LAX
2 stops52h 58mMultiple Airlines
Deal found 11/18![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 12/116:00 amLAX - IAD
1 stop9h 18mMultiple Airlines
Wed 12/179:00 amIAD - LAX
2 stops18h 18mMultiple Airlines
Deal found 11/18![Multiple Airlines logo]()
$256
This Southwest deal was found by Cheapflights users on 11/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:45 amLAX - IAD
1 stop8h 20mSouthwest
Tue 12/164:40 pmIAD - LAX
1 stop7h 40mSouthwest
Deal found 11/17![Southwest logo]()
$257
This Trip.com deal was found by Cheapflights users on 11/17. 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 11/275:45 amLAX - IAD
1 stop9h 01mMultiple Airlines
Thu 12/45:45 amIAD - LAX
1 stop10h 02mMultiple Airlines
Deal found 11/17![Multiple Airlines logo]()
$258
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 November 19, 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 1/9
6:30 am-3:50 pm
1 stop6h 20m
Washington, D.C. Dulles Intl
Sun 1/11
5:40 pm-10:40 pm
1 stop8h 00m
$257
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Wed 1/7
8:45 am-9:55 pm
2 stops10h 10m
Washington, D.C. Dulles Intl
Sun 1/11
5:30 am-10:10 am
1 stop7h 40m
$262
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Mon 1/12
5:45 am-4:50 pm
1 stop8h 05m
Washington, D.C. Dulles Intl
Tue 1/20
9:05 am-5:05 pm
2 stops11h 00m
$282
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Thu 12/4
6:00 am-6:12 pm
1 stop9h 12m
Washington, D.C. Dulles Intl
Thu 12/11
7:15 am-3:29 pm
1 stop11h 14m
$294
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Fri 12/5
1:30 pm-9:22 pm
Nonstop4h 52m
Washington, D.C. Dulles Intl
Fri 12/12
6:45 am-9:37 am
Nonstop5h 52m
$322
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Tue 1/13
9:38 am-5:04 pm
2 stops28h 26m
Washington, D.C. Dulles Intl
Wed 1/21
6:04 pm-9:02 am
1 stop17h 58m
$325
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Sat 1/31
11:00 am-5:04 pm
2 stops27h 04m
Washington, D.C. Dulles Intl
Wed 2/4
6:04 pm-9:02 am
1 stop17h 58m
$335
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Fri 12/12
11:00 am-6:54 pm
Nonstop4h 54m
Washington, D.C. Dulles Intl
Sun 12/14
3:23 pm-6:10 pm
Nonstop5h 47m
$337
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Mon 12/22
11:45 am-7:40 pm
Nonstop4h 55m
Washington, D.C. Dulles Intl
Tue 12/30
10:05 pm-12:59 am
Nonstop5h 54m
$337
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Fri 12/12
11:00 am-6:54 pm
Nonstop4h 54m
Washington, D.C. Dulles Intl
Mon 12/15
12:41 pm-3:33 pm
Nonstop5h 52m
$337
Showing 1-10 of 24 results
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Los Angeles-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Los Angeles-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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
Prices
Airlines
Delays
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 November 14, 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 $146). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $267). 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 November 19, 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 26% 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 November 2, 2025.
Travelers seeking maximum savings on their Los Angeles to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday 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 often are flights from Los Angeles to Washington, D.C. delayed?
About 9% of weekly flights between Los Angeles and Washington, D.C. have experienced delays in the past year, with the average delay time being 139 minutes.
What is the most punctual flight time for Los Angeles to Washington, D.C. flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Los Angeles to Washington, D.C. flights?
Over the last year, UR Airlines have had the lowest number of delays on this route, with no flights being classified as delayed.
The best insider tips for Los Angeles to Washington, D.C. Dulles Intl Airport flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Los Angeles to Washington, D.C. Dulles Intl Airport trip
Airlines
![Ethiopian Air]()
Ethiopian Air
![United Airlines]()
United Airlines
United's Economy Plus offers extra legroom, enhancing comfort for a reasonable price.
United's Polaris Lounges at IAD offer showers and dining, ideal for relaxation.
![Alaska Airlines]()
Alaska Airlines
Alaska's Premium Class offers extra legroom and free cocktails, ideal for added comfort.
Alaska's Wi-Fi is a flat fee, perfect for staying productive during flights.
Airports
Our travel experts
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 November 19, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Hawaiian 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.
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
8.0
Reviews
1 / 20
6.0
GoodHannah,Aug 2025
SFO - SAN
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
8.0
Reviews
1 / 20
6.0
GoodHannah,Aug 2025
SFO - SAN
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
8.0
Reviews
1 / 20
6.0
GoodHannah,Aug 2025
SFO - SAN
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
8.0
Reviews
1 / 20
6.0
GoodHannah,Aug 2025
SFO - SAN
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
8.0
Reviews
1 / 20
6.0
GoodHannah,Aug 2025
SFO - SAN
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
8.0
Reviews
1 / 20
6.0
GoodHannah,Aug 2025
SFO - SAN
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.
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 locationsAlexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean
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.
Top 8 airlines flying from Los Angeles to Dulles Intl
Discover the top 8 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 November 19, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$223 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$123 | Average$255 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$362 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$326 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$227 | Average$361 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$227 | Average$403 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$246 | Average$332 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$356 | Average$441 | FlexibilityNo cancel fee | On-time71% |