£123 Cheap Flights from Los Angeles (LAX) to Washington (IAD)

View £123 flight on Tue, 9 Jun 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £123 for one-way flights and £213 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 28 May - Mon, 1 Jun
LAX
Los Angeles
IAD
Washington
£213 Return, found 1 day ago
£213
Return
found 1 day ago
Select American Airlines flight, departing Thu, 28 May from Los Angeles to Washington, returning Mon, 1 Jun, priced at £213 found 1 day ago
Alaska Airlines
Thu, 28 May - Mon, 1 Jun
LAX
Los Angeles
IAD
Washington
£224 Return, found 1 day ago
£224
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 28 May from Los Angeles to Washington, returning Mon, 1 Jun, priced at £224 found 1 day ago
American Airlines
Thu, 28 May - Mon, 1 Jun
LAX
Los Angeles
IAD
Washington
£228 Return, found 1 day ago
£228
Return
found 1 day ago
Select American Airlines flight, departing Thu, 28 May from Los Angeles to Washington, returning Mon, 1 Jun, priced at £228 found 1 day ago
Alaska Airlines
Thu, 28 May - Mon, 1 Jun
LAX
Los Angeles
IAD
Washington
£229 Return, found 1 day ago
£229
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 28 May from Los Angeles to Washington, returning Mon, 1 Jun, priced at £229 found 1 day ago
American Airlines
Thu, 28 May - Mon, 1 Jun
LAX
Los Angeles
IAD
Washington
£235 Return, found 1 day ago
£235
Return
found 1 day ago
Select American Airlines flight, departing Thu, 28 May from Los Angeles to Washington, returning Mon, 1 Jun, priced at £235 found 1 day ago
United
Mon, 3 Aug - Mon, 17 Aug
LAX
Los Angeles
IAD
Washington
£242 Return, found 4 days ago
£242
Return
found 4 days ago
Select United flight, departing Mon, 3 Aug from Los Angeles to Washington, returning Mon, 17 Aug, priced at £242 found 4 days ago
Alaska Airlines
Thu, 28 May - Wed, 3 Jun
LAX
Los Angeles
IAD
Washington
£254 Return, found 1 day ago
£254
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 28 May from Los Angeles to Washington, returning Wed, 3 Jun, priced at £254 found 1 day ago
Alaska Airlines
Thu, 28 May - Mon, 1 Jun
LAX
Los Angeles
IAD
Washington
£262 Return, found 1 day ago
£262
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 28 May from Los Angeles to Washington, returning Mon, 1 Jun, priced at £262 found 1 day ago
Alaska Airlines
Thu, 28 May - Mon, 1 Jun
LAX
Los Angeles
IAD
Washington
£266 Return, found 1 day ago
£266
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 28 May from Los Angeles to Washington, returning Mon, 1 Jun, priced at £266 found 1 day ago
Delta
Thu, 28 May - Mon, 1 Jun
LAX
Los Angeles
IAD
Washington
£287 Return, found 1 day ago
£287
Return
found 1 day ago
Select Delta flight, departing Thu, 28 May from Los Angeles to Washington, returning Mon, 1 Jun, priced at £287 found 1 day ago

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city centre is 8 minutes. Flights from £425
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city centre8 min
Flights from £425

Frequently asked questions

How much does a flight from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.) cost?
One-way flights typically cost between £614 and £1,620 and return flights often range between £614 and £1,620. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
February is typically the cheapest month to fly from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.), with average return fares of approximately £516. This is about 13% lower than the average price throughout the year. February often sees lower prices as it falls outside of peak holiday travel seasons, leading to reduced demand. May and September are also good months to find deals on this route.
Which airlines fly direct from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Enter LAX to IAD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best airline to fly with from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, AA typically offers the lowest fares. UA offers the most daily flights from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best time to fly from Los Angeles International Airport (LAX) to Washington Dulles International Airport (IAD) depends on what you're looking for. Based on booking data from the past year, February and May tend to be the cheapest months, with average return flights around £516. If you're looking for the most flight options and flexibility, November and April are the most popular months for this route, meaning you'll find plenty of choices to fit your schedule.
How many flights per day from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
There are approximately 10 nonstop flights per day from Los Angeles International (LAX) to Washington Dulles International (IAD). For even more choice, look at flights that include layovers, as there are around 178 connecting flights per day. Some common connection points include San Francisco International (SFO), Seattle - Tacoma International (SEA), and O'Hare International (ORD).
What is the earliest flight from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Los Angeles International Airport (LAX) to Washington Dulles International Airport (IAD) typically departs at approximately 12:05 AM local time, operated by United Airlines. This is a seasonal service active in August. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You'll find the most flights from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.) on a Thursday, with around 101 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Alaska Airlines, Delta Air Lines, and United Airlines. Flight options are notably more plentiful on Thursdays compared to other days of the week.
What are the most popular departure times for flights from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Los Angeles International Airport (LAX) to Washington Dulles International Airport (IAD) are in the late evening, from 9pm to midnight. About 26% of passengers prefer this time window. Many major carriers, including United Airlines, Delta Air Lines and American Airlines, offer flights during this window. This timing works well because you can maximise your day in Los Angeles before your flight, and you'll arrive in Washington, DC in the morning.
How long does it take to fly from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Flying nonstop from LAX to IAD takes around 5 hours, with the route covering approximately 2,283 miles. Flights with a layover typically take 2 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Select the "Business class" and "First class" filters when looking for LAX to IAD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Los Angeles Intl. (LAX)?
From Los Angeles Intl. (LAX), you can fly into Washington Dulles Intl. (IAD) and Ronald Reagan Washington National (DCA) in Washington. Some flights may connect through major hubs like San Francisco Intl. (SFO), Portland Intl. (PDX), McCarran Intl. (LAS) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Los Angeles, CA (LAX-Los Angeles Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Los Angeles Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Return price
£213
Distance
3652 km
Average flight time
8 hours 33 mins

Book with confidence

Compare flights from Los Angeles to Washington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Los Angeles to Washington. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Washington Dulles Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Los Angeles Intl. to Washington Dulles Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Los Angeles Intl. (LAX) to Washington Dulles Intl. (IAD)

The easiest way to view the best deals on flights from Los Angeles to Washington today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Los Angeles Intl. to Washington Dulles Intl. start at just £213 and range up to £287.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Los Angeles and Washington
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Los Angeles to Washington flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Los Angeles Intl. to Washington Dulles Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Los Angeles to Washington easily and book with confidence

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