$259 Cheap Delta flights Washington (IAD) to Los Angeles (LAX)

View $259 flight on Mon, Dec 15, 2025Opens in a new window

$259 Cheap Delta flights Washington (IAD) to Los Angeles (LAX)

Prices were available within the past 7 days and start at $259 for one-way flights and $375 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 9 - Tue, Sep 16
IAD
Washington
LAX
Los Angeles
$375 Roundtrip, found 8 hours ago
$375
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Sep 9 from Washington to Los Angeles, returning Tue, Sep 16, priced at $375 found 8 hours ago
Flights from Washington (IAD) to Los Angeles (LAX)
Origin airport
Washington Dulles Intl.
Destination airport
Los Angeles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Sun Country Airlines, United
Popular airline
Alaska Airlines
Distance
2282 mi
Average flight time
2 hours 25 mins

Frequently asked questions

How much is a Delta Air Lines flight from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX)?
Scoring cheap one-way Delta Air Lines flights from IAD to LAX from $259 on Expedia couldn't be easier --- just filter by "Price (lowest to highest)." Or check out our affordable return fares from $375 for your next exciting getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAD to LAX with Delta Air Lines?
Search for round-trip or one-way flights to Los Angeles in January or February. You could find cheaper fares with Delta Air Lines during these quieter months.
What is the cheapest time to book flights from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX) with Delta Air Lines?
Search for cheap Delta Air Lines flights from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX) one to three months prior to your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX)?
To find out if there's a direct route from IAD to LAX with Delta Air Lines or other carriers, check the "Nonstop" filter when searching for tickets.
What is the earliest Delta Air Lines flight from IAD to LAX?
Filter your results by "Morning" and "Early Morning" to find the earliest departures from IAD to LAX. Heading off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Los Angeles?
Los Angeles Intl. Airport (LAX) is the primary Los Angeles hub for Delta Air Lines flights from Washington Dulles Intl. Airport (IAD).
Why fly with Delta Air Lines from IAD to LAX?
Flying from IAD to LAX with Delta Air Lines means enjoying a range of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That's in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX)?
In most cases, you can cancel or reschedule your flight, although additional fees may apply if you booked over 24 hours ago. Need to keep your options open? Apply the "No cancel fee" and "Changes included" filters to find flights that won't charge you extra if you need to adjust your plans. To modify your booking, head to "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.