Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Los Angeles to Washington, D.C. from $158

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 10/1. 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

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap return flights

United Airlines Logo
22:35 - 06:39LAX-IAD
5h 04mdirect
United Airlines Logo
22:14 - 00:45IAD-LAX
5h 31mdirect
$281United Airlines
Find Deal
Fri, 17 Oct - Tue, 21 Oct
Southwest Logo
05:50 - 15:45LAX-IAD
6h 55m1 stop
Southwest Logo
19:50 - 00:05IAD-LAX
7h 15m1 stop
$286Southwest
Find Deal
Wed, 19 Nov - Sun, 23 Nov
United Airlines Logo
10:37 - 18:39LAX-IAD
5h 02mdirect
United Airlines Logo
07:00 - 09:25IAD-LAX
5h 25mdirect
$287United Airlines
Find Deal
Wed, 8 Oct - Tue, 14 Oct
Southwest Logo
12:40 - 22:10LAX-IAD
6h 30m1 stop
Southwest Logo
07:40 - 17:50IAD-LAX
13h 10m2 stops
$292Southwest
Find Deal
Wed, 5 Nov - Wed, 12 Nov
Frontier Logo
13:08 - 00:15LAX-IAD
8h 07m1 stop
Frontier Logo
10:17 - 17:20IAD-LAX
10h 03m1 stop
$305Frontier
Find Deal
Mon, 29 Sep - Thu, 2 Oct
Logo
22:35 - 19:55LAX-IAD
18h 20m2 stops
Logo
13:55 - 21:45IAD-LAX
10h 50m1 stop
$379
Find Deal
Mon, 29 Sep - Thu, 2 Oct
Alaska Airlines Logo
10:00 - 00:23LAX-IAD
11h 23m1 stop
Alaska Airlines Logo
06:25 - 13:09IAD-LAX
9h 44m1 stop
$385Alaska Airlines
Find Deal
Wed, 1 Oct - Wed, 8 Oct
Alaska Airlines Logo
20:30 - 16:40LAX-IAD
17h 10m1 stop
Alaska Airlines Logo
17:40 - 11:38IAD-LAX
20h 58m2 stops
$397Alaska Airlines
Find Deal
Fri, 14 Nov - Tue, 18 Nov
Logo
00:45 - 18:24LAX-IAD
14h 39m2 stops
Logo
13:55 - 21:45IAD-LAX
10h 50m1 stop
$406
Find Deal
Sun, 28 Sep - Thu, 2 Oct
Hawaiian Airlines Logo
10:00 - 00:23LAX-IAD
11h 23m1 stop
Hawaiian Airlines Logo
06:25 - 14:52IAD-LAX
11h 27m1 stop
$430Hawaiian Airlines
Find Deal
Tue, 14 Oct - Tue, 21 Oct

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

Our best Hawaiian Airlines deals on Los Angeles to Washington, D.C. Dulles Intl Airport flight tickets
Hawaiian Airlines
14 Oct
LAX10:00Los Angeles
11h 23m
1 stop
IAD00:23Washington, D.C. Dulles Intl
21 Oct
IAD06:25Washington, D.C. Dulles Intl
11h 27m
1 stop
LAX14:52Los Angeles
$430
Find similar
Hawaiian Airlines
24 Sept
LAX18:45Los Angeles
9h 48m
1 stop
IAD07:33Washington, D.C. Dulles Intl
1 Oct
IAD07:00Washington, D.C. Dulles Intl
10h 57m
1 stop
LAX14:57Los Angeles
$580
Find similar

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

Our best Alaska Airlines deals on Los Angeles to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
1 Oct
LAX10:00Los Angeles
11h 23m
1 stop
IAD00:23Washington, D.C. Dulles Intl
8 Oct
IAD06:25Washington, D.C. Dulles Intl
9h 44m
1 stop
LAX13:09Los Angeles
$385
Find similar
Alaska Airlines
14 Nov
LAX20:30Los Angeles
17h 10m
1 stop
IAD16:40Washington, D.C. Dulles Intl
18 Nov
IAD17:40Washington, D.C. Dulles Intl
20h 58m
2 stops
LAX11:38Los Angeles
$397
Find similar
Alaska Airlines
15 Oct
LAX12:00Los Angeles
9h 23m
1 stop
IAD00:23Washington, D.C. Dulles Intl
28 Oct
IAD17:40Washington, D.C. Dulles Intl
20h 58m
2 stops
LAX11:38Los Angeles
$419
Find similar

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 14 September 2025.
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

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 17/10

22:35-06:39

Nonstop5h 04m

Washington, D.C. Dulles Intl

Tue 21/10

22:14-00:45

Nonstop5h 31m

$281

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 19/11

05:50-15:45

1 stop6h 55m

Washington, D.C. Dulles Intl

Sun 23/11

19:50-00:05

1 stop7h 15m

$286

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 8/10

10:37-18:39

Nonstop5h 02m

Washington, D.C. Dulles Intl

Tue 14/10

07:00-09:25

Nonstop5h 25m

$287

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 5/11

12:40-22:10

1 stop6h 30m

Washington, D.C. Dulles Intl

Wed 12/11

07:40-17:50

2 stops13h 10m

$292

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 29/9

13:08-00:15

1 stop8h 07m

Washington, D.C. Dulles Intl

Thu 2/10

10:17-17:20

1 stop10h 03m

$305

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 29/9

22:35-19:55

2 stops18h 20m

Washington, D.C. Dulles Intl

Thu 2/10

13:55-21:45

1 stop10h 50m

$379

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 1/10

10:00-00:23

1 stop11h 23m

Washington, D.C. Dulles Intl

Wed 8/10

06:25-13:09

1 stop9h 44m

$385

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 14/11

20:30-16:40

1 stop17h 10m

Washington, D.C. Dulles Intl

Tue 18/11

17:40-11:38

2 stops20h 58m

$397

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sun 28/9

00:45-18:24

2 stops14h 39m

Washington, D.C. Dulles Intl

Thu 2/10

13:55-21:45

1 stop10h 50m

$406

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 14/10

10:00-00:23

1 stop11h 23m

Washington, D.C. Dulles Intl

Tue 21/10

06:25-14:52

1 stop11h 27m

$430

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 May. Flight prices, which tend to average around $492, 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 May, then July is your next best option. Flight prices from Los Angeles to Washington, D.C. Dulles Intl Airport during July average around $507.

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

According to our data, Tuesday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Los Angeles. The lowest ticket price found for a Tuesday departure recently was $376. 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 Monday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Monday is $776.

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 morning when flights can be purchased for as low as $491. Flights to Washington, D.C. Dulles Intl Airport are more costly in the evening, with an average ticket price of $582. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight 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 $589 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 $493 on momondo.

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

There are 2 cabin classes available to choose from on Los Angeles to Washington, D.C. Dulles Intl 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?

You could potentially save up to 59% on your flight if you consider stops on a Los Angeles to Washington, D.C. Dulles Intl Airport flight.

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

As of September 2025, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 55% more expensive 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

Fastest flight time

4h 41m

Direct flights

Every day
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 41m
Direct flights go from Los Angeles to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • 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 48m.

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

    Prices for flights from 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 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 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
Linthicum Heights
Winchester
Arlington

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.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 14/10
Tue 21/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.