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

View AU$211 flight on Wed, 3 Sep. 2025Opens 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 for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 4 Sep. - Thu, 11 Sep.
LAX
Los Angeles
IAD
Washington
AU$450 Return, found 2 days ago
AU$450
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 4 Sep. from Los Angeles to Washington, returning Thu, 11 Sep., priced at AU$450 found 2 days ago
Hawaiian Airlines
Tue, 2 Sep. - Thu, 4 Sep.
LAX
Los Angeles
IAD
Washington
AU$480 Return, found 2 days ago
AU$480
Return
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, 2 Sep. from Los Angeles to Washington, returning Thu, 4 Sep., priced at AU$480 found 2 days ago
Alaska Airlines
Wed, 5 Nov. - Thu, 6 Nov.
LAX
Los Angeles
IAD
Washington
AU$486 Return, found 3 days ago
AU$486
Return
found 3 days ago
Select Alaska Airlines flight, departing Wed, 5 Nov. from Los Angeles to Washington, returning Thu, 6 Nov., priced at AU$486 found 3 days ago
Alaska Airlines
Fri, 12 Sep. - Mon, 29 Sep.
LAX
Los Angeles
IAD
Washington
AU$495 Return, found 2 days ago
AU$495
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 12 Sep. from Los Angeles to Washington, returning Mon, 29 Sep., priced at AU$495 found 2 days ago
Alaska Airlines
Fri, 12 Sep. - Fri, 3 Oct.
LAX
Los Angeles
IAD
Washington
AU$496 Return, found 5 days ago
AU$496
Return
found 5 days ago
Select Alaska Airlines flight, departing Fri, 12 Sep. from Los Angeles to Washington, returning Fri, 3 Oct., priced at AU$496 found 5 days ago
Alaska Airlines
Sat, 13 Sep. - Sat, 20 Sep.
LAX
Los Angeles
IAD
Washington
AU$501 Return, found 14 hours ago
AU$501
Return
found 14 hours ago
Select Alaska Airlines flight, departing Sat, 13 Sep. from Los Angeles to Washington, returning Sat, 20 Sep., priced at AU$501 found 14 hours ago
Alaska Airlines
Tue, 2 Sep. - Sat, 13 Sep.
LAX
Los Angeles
IAD
Washington
AU$510 Return, found 2 days ago
AU$510
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 2 Sep. from Los Angeles to Washington, returning Sat, 13 Sep., priced at AU$510 found 2 days ago
United
Mon, 25 Aug. - Sun, 31 Aug.
LAX
Los Angeles
IAD
Washington
AU$527 Return, found 2 days ago
AU$527
Return
found 2 days ago
Select United flight, departing Mon, 25 Aug. from Los Angeles to Washington, returning Sun, 31 Aug., priced at AU$527 found 2 days ago
American Airlines
Mon, 25 Aug. - Sun, 31 Aug.
LAX
Los Angeles
IAD
Washington
AU$541 Return, found 2 days ago
AU$541
Return
found 2 days ago
Select American Airlines flight, departing Mon, 25 Aug. from Los Angeles to Washington, returning Sun, 31 Aug., priced at AU$541 found 2 days ago
Delta
Wed, 17 Sep. - Mon, 29 Sep.
LAX
Los Angeles
IAD
Washington
AU$742 Return, found 2 days ago
AU$742
Return
found 2 days ago
Select Delta flight, departing Wed, 17 Sep. from Los Angeles to Washington, returning Mon, 29 Sep., priced at AU$742 found 2 days ago

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

February is typically the cheapest month to fly

From AU$212 - AU$508 per traveller.

Graph displaying average flight prices per month

Flight from Los Angeles to Washington route information
Origin airport
Los Angeles Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Return price
AU$449
Distance
3652 km
Average flight time
8 hours 50 mins

Your quick guide to flights from Los Angeles to Washington

Pick up great flights from Los Angeles to Washington

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Los Angeles to Washington. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Los Angeles to Washington that take around hours.

Find cheap flights from Los Angeles to Washington

From the great flight deals with prices currently ranging from AU$450 to AU$742, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Los Angeles to Washington around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Washington is normally in September.

Reasons to book your flight from Los Angeles to Washington with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Los Angeles to Washington across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Washington right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from LAX to IAD?
If you're planning on travelling from LAX to IAD, round-trip flights start from AU$450. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Los Angeles Intl. Airport (LAX) to Washington Dulles Intl. Airport (IAD)?
We understand that things crop up unexpectedly, so we've made it as simple as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from LAX to Washington Dulles Intl. Airport (IAD) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for LAX to Dulles Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LAX to Washington Dulles Intl. Airport (IAD)?
Around 3 700 kilometres separates Los Angeles and Chantilly, so pack some in-flight entertainment to help you while away a couple of hours. That thrilling novel you haven't had time to finish will be just the ticket.
Which airlines fly direct from LAX to Washington Dulles Intl. Airport (IAD)?
United Airlines (UA) is a top option. It operates 178 flights between Los Angeles Intl. Airport (LAX) and IAD each month. Alaska Airlines (AS) is also worth a look. It offers 26 flights a month. Between these two airlines, you'll be able to find a great deal from Los Angeles to Chantilly.
Are Los Angeles Intl. Airport (LAX) to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Los Angeles Intl. Airport (LAX) to IAD can be hit-or-miss. You may be able to score a bargain, but then again, you could miss out! If you'd rather start your travel planning ahead of time, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines release their prices that far in advance. Our top tip? Check back often as updates are made frequently.

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