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.
$142+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Feb 14 — Feb 211
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
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 Wednesday or Thursday 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 January 15, 2026.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $254 (Kiwi.com) |
One-way from | $142 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $397 |
Good round-trip deal | $388 or less |
Good one-way deal | $202 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 January 15, 2026.
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 January 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 2/1110:22 pm
LAX
- IAD
1 stop9h 27m
Multiple Airlines
Sat 2/1411:37 am
IAD
- LAX
2 stops15h 13m
Multiple Airlines
Deal found 1/15![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 2/1410:45 pm
LAX
- IAD
1 stop8h 30m
Frontier
Sat 2/2110:29 am
IAD
- LAX
2 stops13h 51m
Frontier
Deal found 1/15![Frontier logo]()
$256
This Southwest deal was found by Cheapflights users on 1/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/145:45 am
LAX
- IAD
1 stop7h 00m
Southwest
Sat 2/214:30 pm
IAD
- LAX
1 stop7h 40m
Southwest
Deal found 1/14![Southwest logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 2/191:50 pm
LAX
- IAD
2 stops14h 30m
Frontier
Mon 2/2310:20 am
IAD
- LAX
1 stop10h 14m
Frontier
Deal found 1/15![Frontier logo]()
$258
This Expedia deal was found by Cheapflights users on 1/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/125:14 pm
LAX
- IAD
1 stop13h 11m
Multiple Airlines
Thu 2/267:05 am
IAD
- LAX
1 stop11h 31m
Multiple Airlines
Deal found 1/13![Multiple Airlines logo]()
$259
This Frontier deal was found by Cheapflights users on 1/15. 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.
Thu 2/125:14 pm
LAX
- IAD
1 stop13h 11m
Frontier
Sun 2/157:20 pm
IAD
- LAX
1 stop15h 19m
Frontier
Deal found 1/15![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 1/15. 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 2/1110:22 pm
LAX
- IAD
1 stop9h 27m
Frontier
Sun 2/157:20 pm
IAD
- LAX
1 stop15h 19m
Frontier
Deal found 1/15![Frontier logo]()
$261
This Southwest deal was found by Cheapflights users on 1/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:30 am
LAX
- IAD
1 stop6h 20m
Southwest
Wed 2/189:05 am
IAD
- LAX
2 stops11h 00m
Southwest
Deal found 1/14![Southwest logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 1/296:05 pm
LAX
- IAD
1 stop12h 50m
Multiple Airlines
Thu 2/1910:10 am
IAD
- LAX
2 stops16h 40m
Multiple Airlines
Deal found 1/15![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 2/2010:50 pm
LAX
- IAD
1 stop7h 44m
Frontier
Mon 2/2311:41 am
IAD
- LAX
2 stops12h 39m
Frontier
Deal found 1/15![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/2610:45 pm
LAX
- IAD
1 stop8h 58m
Multiple Airlines
Sun 3/17:14 pm
IAD
- LAX
1 stop15h 01m
Multiple Airlines
Deal found 1/13![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 2/1310:45 pm
LAX
- IAD
1 stop8h 57m
Multiple Airlines
Mon 2/166:37 pm
IAD
- LAX
1 stop15h 38m
Multiple Airlines
Deal found 1/15![Multiple Airlines logo]()
$267
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 January 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
Los Angeles
Fly to
Dulles Intl
Route
Depart
Return
Price
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Tue 2/10
9:30 pm-5:24 am
Nonstop4h 54m
Washington, D.C. Dulles Intl
Sat 2/14
7:13 pm-10:15 pm
Nonstop6h 02m
$257
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Wed 3/4
5:45 am-4:50 pm
1 stop8h 05m
Washington, D.C. Dulles Intl
Sat 3/7
6:05 pm-10:35 pm
1 stop7h 30m
$257
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Thu 4/9
4:42 pm-12:45 am
Nonstop5h 03m
Washington, D.C. Dulles Intl
Tue 4/14
3:25 pm-6:10 pm
Nonstop5h 45m
$257
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Thu 2/19
1:50 pm-7:20 am
2 stops14h 30m
Washington, D.C. Dulles Intl
Mon 2/23
10:20 am-5:34 pm
1 stop10h 14m
$258
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Thu 2/12
10:15 am-6:06 pm
Nonstop4h 51m
Washington, D.C. Dulles Intl
Sun 2/15
6:00 pm-8:41 pm
Nonstop5h 41m
$277
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Thu 2/19
10:15 am-6:06 pm
Nonstop4h 51m
Washington, D.C. Dulles Intl
Mon 2/23
6:00 pm-8:41 pm
Nonstop5h 41m
$277
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Sat 2/28
9:34 pm-5:26 am
Nonstop4h 52m
Washington, D.C. Dulles Intl
Mon 3/2
7:13 pm-10:15 pm
Nonstop6h 02m
$277
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Fri 2/27
11:25 pm-7:15 am
Nonstop4h 50m
Washington, D.C. Dulles Intl
Sun 3/1
7:13 pm-10:15 pm
Nonstop6h 02m
$277
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Wed 2/4
8:45 am-9:55 pm
2 stops10h 10m
Washington, D.C. Dulles Intl
Sat 2/7
7:00 am-2:00 pm
1 stop10h 00m
$292
Los AngelesWashington, D.C.
LAX - IAD
LAXIAD
Los Angeles
Fri 2/20
5:25 am-2:45 pm
1 stop6h 20m
Washington, D.C. Dulles Intl
Sun 2/22
7:00 pm-11:45 pm
1 stop7h 45m
$297
Showing 1-10 of 23 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 January.
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 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 January 9, 2026.
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 $144). 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 January 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 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 January 10, 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 often are flights from Los Angeles to Washington, D.C. delayed?
About 10% 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?
Wednesday 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, Alaska Airlines have had the lowest number of delays on this route, with just 5% of flights being delayed.
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
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 January 15, 2026.
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
Entertainment
7.0
Overall
8.0
Food
7.1
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Entertainment
7.0
Overall
8.0
Food
7.1
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Entertainment
7.0
Overall
8.0
Food
7.1
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Entertainment
7.0
Overall
8.0
Food
7.1
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Entertainment
7.0
Overall
8.0
Food
7.1
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Entertainment
7.0
Overall
8.0
Food
7.1
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Largo
Bowie
McLean
Clinton
Herndon
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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 January 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$50 | Average$180 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$102 | Average$257 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$113 | Average$315 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$168 | Average$495 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$345 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$227 | Average$400 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$246 | Average$336 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$356 | Average$441 | FlexibilityNo cancel fee | On-time71% |