Cheap flights from Los Angeles to Washington, D.C. from $239

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Washington, D.C. departing on 11/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Los Angeles to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
23:30 - 07:33
LAX
-
IAD
5h 03mdirect
United Airlines Logo
07:00 - 09:34
IAD
-
LAX
5h 34mdirect
$406United Airlines
Thu, 6 Aug - Wed, 26 Aug
United Airlines Logo
23:00 - 06:53
LAX
-
IAD
4h 53mdirect
United Airlines Logo
09:00 - 11:32
IAD
-
LAX
5h 32mdirect
$429United Airlines
Sat, 22 Aug - Sun, 23 Aug
United Airlines Logo
23:30 - 07:33
LAX
-
IAD
5h 03mdirect
United Airlines Logo
07:00 - 09:26
IAD
-
LAX
5h 26mdirect
$430United Airlines
Fri, 10 Jul - Mon, 13 Jul
United Airlines Logo
23:30 - 07:33
LAX
-
IAD
5h 03mdirect
United Airlines Logo
07:00 - 09:34
IAD
-
LAX
5h 34mdirect
$436United Airlines
Tue, 4 Aug - Tue, 11 Aug
United Airlines Logo
23:00 - 06:53
LAX
-
IAD
4h 53mdirect
United Airlines Logo
09:00 - 11:32
IAD
-
LAX
5h 32mdirect
$437United Airlines
Tue, 18 Aug - Sat, 22 Aug
United Airlines Logo
23:00 - 06:53
LAX
-
IAD
4h 53mdirect
United Airlines Logo
08:20 - 10:52
IAD
-
LAX
5h 32mdirect
$439United Airlines
Tue, 1 Sep - Fri, 4 Sep
United Airlines Logo
12:49 - 20:48
LAX
-
IAD
4h 59mdirect
United Airlines Logo
07:00 - 09:34
IAD
-
LAX
5h 34mdirect
$442United Airlines
Thu, 3 Sep - Mon, 7 Sep
United Airlines Logo
21:20 - 05:26
LAX
-
IAD
5h 06mdirect
United Airlines Logo
22:20 - 00:57
IAD
-
LAX
5h 37mdirect
$443United Airlines
Thu, 6 Aug - Sun, 9 Aug
United Airlines Logo
23:30 - 07:33
LAX
-
IAD
5h 03mdirect
United Airlines Logo
22:23 - 00:59
IAD
-
LAX
5h 36mdirect
$446United Airlines
Mon, 10 Aug - Thu, 13 Aug
United Airlines Logo
23:00 - 06:53
LAX
-
IAD
4h 53mdirect
United Airlines Logo
15:15 - 17:47
IAD
-
LAX
5h 32mdirect
$452United Airlines
Wed, 12 Aug - Wed, 16 Sep

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United Airlines flights from Los Angeles to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Los Angeles to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
6 Aug
LAX23:30Los Angeles Los Angeles
5h 03m
IAD07:33Washington, D.C. Dulles Intl
26 Aug
IAD07:00Washington, D.C. Dulles Intl
5h 34m
LAX09:34Los Angeles Los Angeles
$406
United Airlines
22 Aug
LAX23:00Los Angeles Los Angeles
4h 53m
IAD06:53Washington, D.C. Dulles Intl
23 Aug
IAD09:00Washington, D.C. Dulles Intl
5h 32m
LAX11:32Los Angeles Los Angeles
$429
United Airlines
10 July
LAX23:30Los Angeles Los Angeles
5h 03m
IAD07:33Washington, D.C. Dulles Intl
13 July
IAD07:00Washington, D.C. Dulles Intl
5h 26m
LAX09:26Los Angeles Los Angeles
$430

momondo Fare Finder

 
Customise your flight search to find flights from Los Angeles to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 21 June 2026.
Use the filters below to find and compare flights from Los Angeles to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Thu 6/8

23:30-07:33

Nonstop5h 03m

Washington, D.C. Dulles Intl

Wed 26/8

07:00-09:34

Nonstop5h 34m

$406
Fastest return journey

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Sat 22/8

23:00-06:53

Nonstop4h 53m

Washington, D.C. Dulles Intl

Sun 23/8

09:00-11:32

Nonstop5h 32m

$429

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Fri 10/7

23:30-07:33

Nonstop5h 03m

Washington, D.C. Dulles Intl

Mon 13/7

07:00-09:26

Nonstop5h 26m

$430

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Tue 4/8

23:30-07:33

Nonstop5h 03m

Washington, D.C. Dulles Intl

Tue 11/8

07:00-09:34

Nonstop5h 34m

$436

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Tue 18/8

23:00-06:53

Nonstop4h 53m

Washington, D.C. Dulles Intl

Sat 22/8

09:00-11:32

Nonstop5h 32m

$437

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Tue 1/9

23:00-06:53

Nonstop4h 53m

Washington, D.C. Dulles Intl

Fri 4/9

08:20-10:52

Nonstop5h 32m

$439

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Thu 3/9

12:49-20:48

Nonstop4h 59m

Washington, D.C. Dulles Intl

Mon 7/9

07:00-09:34

Nonstop5h 34m

$442

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Thu 6/8

21:20-05:26

Nonstop5h 06m

Washington, D.C. Dulles Intl

Sun 9/8

22:20-00:57

Nonstop5h 37m

$443

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Mon 10/8

23:30-07:33

Nonstop5h 03m

Washington, D.C. Dulles Intl

Thu 13/8

22:23-00:59

Nonstop5h 36m

$446

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Wed 12/8

23:00-06:53

Nonstop4h 53m

Washington, D.C. Dulles Intl

Wed 16/9

15:15-17:47

Nonstop5h 32m

$452

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Los Angeles to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Los Angeles and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

The cheapest month to fly to Washington, D.C. Dulles Intl Airport from Los Angeles is in August. Flight prices, which tend to average around $533, are often lower during this time because this is during the off-season. If you’re not able to fly to Washington, D.C. Dulles Intl Airport in August, then October is your next best option. Flight prices from Los Angeles to Washington, D.C. Dulles Intl Airport during October average around $538.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

According to our data, Thursday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Los Angeles. The lowest ticket price found for a Thursday departure recently was $453. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Sunday is $651.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the evening when flights can be purchased for as low as $456. Flights to Washington, D.C. Dulles Intl Airport are more costly in the morning, with an average ticket price of $579. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Los Angeles Los Angeles to Washington, D.C. Dulles Intl flight route?

Fly from Los Angeles Los Angeles to Washington, D.C. Dulles Intl for the best Los Angeles Los Angeles - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $611 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Los Angeles for as low as $484 on momondo.

What cabin class options are available on Los Angeles to Washington, D.C. Dulles Intl Airport flights?

There are 2 cabin classes available to choose from on Los Angeles to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Los Angeles to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Los Angeles to Washington, D.C. Dulles Intl Airport.

How have Los Angeles to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of June 2026, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 39% cheaper when compared to flights at the same time last year.

When to book flights from Los Angeles to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Los Angeles to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Los Angeles to Washington, D.C. Dulles Intl Airport (LAX to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Los Angeles to Washington, D.C. Dulles Intl Airport

Best price found

$470

Fastest flight time

4h 59m

Direct flights

Every day
The best flight deal from Los Angeles to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $470
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 59m
Direct flights go from Los Angeles to Washington, D.C. Dulles Intl Airport every day.

Frequently asked questions about flying from Los Angeles to Washington, D.C. Dulles Intl Airport

  • How far is Los Angeles to Washington, D.C. Dulles Intl by plane?

    A flight from Los Angeles to Washington, D.C. Dulles Intl will travel around 3659.7 km. By plane, this route typically takes 4h 59m.

  • When did momondo last update prices for flights from Los Angeles Los Angeles Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Los Angeles Los Angeles Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Los Angeles Los Angeles Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Los Angeles Los Angeles Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Los Angeles to Washington, D.C. Dulles Intl Airport?

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
McLean
Winchester

Why use momondo?

Why should I use momondo to find a flight deal from Los Angeles to Washington, D.C.?

It is quick and easy to find Los Angeles to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Los Angeles to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Los Angeles which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Los Angeles to Washington, D.C.?

Once you have performed a search for Los Angeles to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Los Angeles to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Los Angeles and alert you when they change.

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1 adult
Tue 21/7
Tue 28/7

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