$90 Cheap Flights from Washington (DCA) to Los Angeles (LAX)

View $90 flight on Wed, May 28, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. (LAX)

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $90 for one-way flights and $188 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, May 10 - Wed, May 14
DCA
Washington
LAX
Los Angeles
$188 Roundtrip, just found
$188
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 10 from Washington to Los Angeles, returning Wed, May 14, priced at $188 just found
American Airlines
Wed, May 28 - Sat, May 31
DCA
Washington
LAX
Los Angeles
$190 Roundtrip, just found
$190
Roundtrip
just found
Select American Airlines flight, departing Wed, May 28 from Washington to Los Angeles, returning Sat, May 31, priced at $190 just found
Delta
Wed, May 28 - Sat, May 31
DCA
Washington
LAX
Los Angeles
$194 Roundtrip, just found
$194
Roundtrip
just found
Select Delta flight, departing Wed, May 28 from Washington to Los Angeles, returning Sat, May 31, priced at $194 just found
American Airlines
Wed, May 28 - Fri, May 30
DCA
Washington
LAX
Los Angeles
$195 Roundtrip, found 2 hours ago
$195
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, May 28 from Washington to Los Angeles, returning Fri, May 30, priced at $195 found 2 hours ago
Frontier Airlines
Mon, May 5 - Tue, May 20
DCA
Washington
LAX
Los Angeles
$198 Roundtrip, just found
$198
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, May 5 from Washington to Los Angeles, returning Tue, May 20, priced at $198 just found
Southwest Airlines
Sat, May 24 - Wed, May 28
DCA
Washington
LAX
Los Angeles
$199 Roundtrip, just found
$199
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, May 24 from Washington to Los Angeles, returning Wed, May 28, priced at $199 just found
Frontier Airlines
Wed, May 28 - Fri, May 30
DCA
Washington
LAX
Los Angeles
$199 Roundtrip, found 2 hours ago
$199
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, May 28 from Washington to Los Angeles, returning Fri, May 30, priced at $199 found 2 hours ago
Southwest Airlines
Thu, May 29 - Sat, May 31
DCA
Washington
LAX
Los Angeles
$205 Roundtrip, found 2 hours ago
$205
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Thu, May 29 from Washington to Los Angeles, returning Sat, May 31, priced at $205 found 2 hours ago
American Airlines
Fri, Jul 4 - Wed, Jul 16
DCA
Washington
LAX
Los Angeles
$206 Roundtrip, found 9 hours ago
$206
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Jul 4 from Washington to Los Angeles, returning Wed, Jul 16, priced at $206 found 9 hours ago
United
Sun, May 25 - Wed, May 28
DCA
Washington
LAX
Los Angeles
$218 Roundtrip, just found
$218
Roundtrip
just found
Select United flight, departing Sun, May 25 from Washington to Los Angeles, returning Wed, May 28, priced at $218 just found
Flights from Washington (DCA) to Los Angeles (LAX)
Origin airport
Ronald Reagan Washington National
Destination airport
Los Angeles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$188
Distance
2305 mi

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 May. 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 $90 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.

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX) cost?
You can book cheap return flights starting from $142 from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines and Spirit Airlines flight leaving DCA on May 6 2025 and touching down at LAX. The price was last updated on April 19 2025 and has not changed since.
What is the cheapest month to fly from DCA to LAX?
The cheapest flights from DCA to LAX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX)?
You can choose from 3 carriers that operate direct flights from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX). Including:

  • American Airlines
  • Delta Air Lines
  • Alaska Airlines

What is the cheapest airline that flies from DCA to LAX?
Fly from DCA to LAX with American Airlines. This carrier currently has the cheapest one-way fare on this route, starting from $90. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DCA on July 4 2025. Prices were last updated on April 19 2025 and have not changed since.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX)?
Every day, an average of 4 nonstop flights take off from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX). Choose the departure time that best suits your plans.
What are the most popular departure times for flights from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX)?
The 5 PM departures from DCA to LAX are typically the busiest. They can also be more expensive. If you want to save on your fare, pick a less crowded time to fly.
What day of the week has the most flights from DCA to LAX?
Friday has the most flights from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX). Consider leaving on this day and you’ll have the best chance of finding a schedule that works for you.
What is the earliest flight from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX)?
Ronald Reagan Washington National Airport (DCA)’s earliest flight to Los Angeles Intl. Airport (LAX) leaves at approximately 8:00AM UTC-5. With a travel time of 5h 55m, you’ll touch down at around 10:55AM UTC-8.
How long does it take to fly from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX)?
The average flight duration from DCA to LAX is 5 hours and 58 minutes, covering a distance of 2,300 mi.
What airline has the least delays from DCA to LAX?
Alaska Airlines has the best track record for on-time direct flights from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX), with an on-time rating of 83%. Use the Expedia App to check your journey status before you leave and receive notifications about any changes.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX) route, travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Ronald Reagan Washington National Airport (DCA)?
If you’ve booked a direct flight from Ronald Reagan Washington National Airport (DCA) to Los Angeles, Los Angeles Intl. Airport (LAX) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX) last-minute?
Last-minute bookings from DCA to LAX are generally more expensive. For the lowest rates, start looking for flights as early as possible. That said, if you’re flexible with your travel plans, you may land a cheap ticket right before your journey.
Is it cheaper to book a DCA to LAX flight and hotel package?
Compared with arranging flights and hotels separately, booking a DCA to LAX flight and hotel package with Expedia could result in significant savings. What’s more, having everything in one convenient place will take the hassle out of planning your trip. Simply pick your flights and select from our extensive range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Los Angeles Intl. Airport (LAX)?
Typically, you can reschedule or cancel your DCA to LAX flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline’s fees and guidelines on flight changes, or if you’d like further information, go to our Customer Service portal.

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*Available to One Key members.