$81 Cheap Flights from Washington (IAD) to Los Angeles (LAX)

View $81 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. (LAX)

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Cheap Flights from Washington to Los Angeles (IAD-LAX)

Prices were available within the past 7 days and start at $81 for one-way flights and $162 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Dec 9 - Tue, Dec 16
IAD
Washington
LAX
Los Angeles
$162 Roundtrip, found 10 hours ago
$162
Roundtrip
found 10 hours ago
Select Southwest Airlines flight, departing Tue, Dec 9 from Washington to Los Angeles, returning Tue, Dec 16, priced at $162 found 10 hours ago
Southwest Airlines
Wed, Dec 10 - Tue, Dec 16
IAD
Washington
LAX
Los Angeles
$168 Roundtrip, found 12 hours ago
$168
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Wed, Dec 10 from Washington to Los Angeles, returning Tue, Dec 16, priced at $168 found 12 hours ago
Southwest Airlines
Tue, Dec 16 - Sat, Jan 10
IAD
Washington
LAX
Los Angeles
$168 Roundtrip, found 2 days ago
$168
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Dec 16 from Washington to Los Angeles, returning Sat, Jan 10, priced at $168 found 2 days ago
Frontier Airlines
Mon, Dec 8 - Sat, Dec 13
IAD
Washington
LAX
Los Angeles
$171 Roundtrip, found 6 hours ago
$171
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Washington to Los Angeles, returning Sat, Dec 13, priced at $171 found 6 hours ago
Frontier Airlines
Thu, Dec 11 - Sat, Dec 13
IAD
Washington
LAX
Los Angeles
$173 Roundtrip, found 21 hours ago
$173
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Washington to Los Angeles, returning Sat, Dec 13, priced at $173 found 21 hours ago
Southwest Airlines
Tue, Dec 9 - Wed, Dec 10
IAD
Washington
LAX
Los Angeles
$173 Roundtrip, found 17 hours ago
$173
Roundtrip
found 17 hours ago
Select Southwest Airlines flight, departing Tue, Dec 9 from Washington to Los Angeles, returning Wed, Dec 10, priced at $173 found 17 hours ago
Southwest Airlines
Wed, Jan 7 - Sat, Jan 17
IAD
Washington
LAX
Los Angeles
$174 Roundtrip, found 3 hours ago
$174
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Wed, Jan 7 from Washington to Los Angeles, returning Sat, Jan 17, priced at $174 found 3 hours ago
United
Sat, Dec 6 - Tue, Dec 9
IAD
Washington
LAX
Los Angeles
$181 Roundtrip, found 1 hour ago
$181
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Dec 6 from Washington to Los Angeles, returning Tue, Dec 9, priced at $181 found 1 hour ago
American Airlines
Sat, Feb 14 - Tue, Feb 17
IAD
Washington
LAX
Los Angeles
$237 Roundtrip, found 10 hours ago
$237
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sat, Feb 14 from Washington to Los Angeles, returning Tue, Feb 17, priced at $237 found 10 hours ago
Delta
Tue, Nov 18 - Wed, Dec 17
IAD
Washington
LAX
Los Angeles
$345 Roundtrip, found 1 day ago
$345
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 18 from Washington to Los Angeles, returning Wed, Dec 17, priced at $345 found 1 day ago

Find the cheapest month to fly from Washington (IAD) to Los Angeles (LAX)

January is typically the cheapest month to fly

From $138 - $347 per traveler.

Alternative airports near Los Angeles

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Bob Hope BUR. Average driving time to city center is 18 minutes. Flights from $583
BUR
Bob Hope
Average driving time to city center18 min
Flights from $583
Select flight to Long Beach Municipal LGB. Average driving time to city center is 27 minutes. Flights from $397
LGB
Long Beach Municipal
Average driving time to city center27 min
Flights from $397

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX) cost?
Get a cheap one-way flight from $81 or cheap return flight from $162 from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX)?
Flying in December is a good way to save, as it's the cheapest month for flights between IAD and LAX. You'll often find the lowest fares during off-peak months.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX)?
You can fly straight from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX) on a United Airlines flight.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX)?
The cheapest airline to offer flights between Washington Dulles Intl. Airport (IAD) and Los Angeles Intl. Airport (LAX) will change depending on your travel dates. Air China and United Airlines are just some well-known options offering reasonable prices. Use Expedia's search tool to compare airlines in one place and find the right IAD to LAX flight that fits your budget.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX)?
Daily, an average of 4 direct flights operate from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX). Choose the departure that best suits your travel plans.
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX)?
Flights between IAD and LAX are their busiest at 5 PM. If you want a more relaxed experience and possibly cheaper prices, look for a departure that's outside typical rush times.
What day of the week has the most flights from IAD to LAX?
Friday has the most flights from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX). Consider jetting off on this day and you'll have the best chance of finding a departure that fits your plans.
What is the earliest flight from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX)?
Hop on the earliest flight at around 8:45AM UTC-5, leaving from Washington Dulles Intl. Airport (IAD). You'll be traveling for about 5h 52m, landing at Los Angeles Intl. Airport (LAX) at approximately 11:37AM UTC-8.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX)?
It takes roughly 5 hours and 47 minutes to fly the 2,300 mi from IAD to LAX.
What airline has the least delays from IAD to LAX?
Consider booking with American Airlines if you'd like to go straight from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX) without any delays. This carrier has the strongest track record for punctuality, with an on-time score of 84%. Want real-time updates? You can check your flight status using the Expedia App.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX)?
To arrive at Los Angeles Intl. Airport (LAX) on time, select a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Los Angeles from Washington Dulles Intl. Airport (IAD)?
Check out your flight options from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX). This is the only Los Angeles airport you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX) last-minute?
Booking your flight from IAD to LAX just before your getaway is generally more expensive. But if you're flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book an IAD to LAX flight and hotel package?
You'll generally save money by booking an IAD to LAX flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your ideal accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX)?
You can usually cancel or reschedule your IAD to LAX flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Los Angeles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$162
Distance
2282 mi
Average flight time
3 hours 32 mins

Book with confidence

Washington to Los Angeles Flights

The cheapest times to fly from Washington to Los Angeles

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Los Angeles are during the month of December. You can find some of the cheapest flights from Washington to Los Angeles with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Los Angeles

Sunday is one of the best days to book for cheap flights from Washington to Los Angeles: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Los Angeles

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Los Angeles in 2025. You can also book with separate airlines for your outbound and return journeys, from $81 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Los Angeles flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Los Angeles airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Los Angeles Flights

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*Available to One Key members.