Cheap flights from Los Angeles to Washington, D.C. from $206

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 15/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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Southwest Logo
11:00 - 00:20
LAX
-
IAD
10h 20m
1 stop
Southwest Logo
06:20 - 13:00
IAD
-
LAX
9h 40m
2 stops
$378Southwest
Mon, 27 Apr - Wed, 29 Apr
United Airlines Logo
23:20 - 07:25
LAX
-
IAD
5h 05mdirect
United Airlines Logo
08:57 - 11:45
IAD
-
LAX
5h 48mdirect
$390United Airlines
Fri, 10 Apr - Sat, 11 Apr
Southwest Logo
14:20 - 00:20
LAX
-
IAD
7h 00m
1 stop
Southwest Logo
17:30 - 22:00
IAD
-
LAX
7h 30m
1 stop
$391Southwest
Thu, 14 May - Tue, 19 May
American Airlines Logo
21:45 - 05:40
LAX
-
IAD
4h 55mdirect
American Airlines Logo
06:10 - 08:50
IAD
-
LAX
5h 40mdirect
$395American Airlines
Mon, 27 Apr - Mon, 4 May
United Airlines Logo
16:42 - 00:45
LAX
-
IAD
5h 03mdirect
United Airlines Logo
22:05 - 00:55
IAD
-
LAX
5h 50mdirect
$397United Airlines
Wed, 8 Apr - Mon, 13 Apr
Southwest Logo
11:10 - 00:20
LAX
-
IAD
10h 10m
2 stops
Southwest Logo
05:50 - 10:30
IAD
-
LAX
7h 40m
1 stop
$398Southwest
Mon, 11 May - Sat, 16 May
Southwest Logo
06:35 - 16:50
LAX
-
IAD
7h 15m
1 stop
Southwest Logo
06:20 - 13:00
IAD
-
LAX
9h 40m
2 stops
$404Southwest
Wed, 8 Apr - Tue, 14 Apr
Southwest Logo
10:30 - 22:55
LAX
-
IAD
9h 25m
2 stops
Southwest Logo
06:20 - 13:00
IAD
-
LAX
9h 40m
2 stops
$405Southwest
Sat, 18 Apr - Wed, 22 Apr
Southwest Logo
14:20 - 00:20
LAX
-
IAD
7h 00m
1 stop
Southwest Logo
06:20 - 10:30
IAD
-
LAX
7h 10m
1 stop
$411Southwest
Thu, 9 Apr - Wed, 15 Apr
Southwest Logo
13:05 - 00:30
LAX
-
IAD
8h 25m
2 stops
Southwest Logo
16:45 - 20:30
IAD
-
LAX
6h 45m
1 stop
$412Southwest
Fri, 5 Jun - Tue, 9 Jun

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
10 Apr
LAX23:20Los Angeles Los Angeles
5h 05m
IAD07:25Washington, D.C. Dulles Intl
11 Apr
IAD08:57Washington, D.C. Dulles Intl
5h 48m
LAX11:45Los Angeles Los Angeles
$390
United Airlines
8 Apr
LAX21:20Los Angeles Los Angeles
5h 05m
IAD05:25Washington, D.C. Dulles Intl
15 Apr
IAD20:53Washington, D.C. Dulles Intl
5h 51m
LAX23:44Los Angeles Los Angeles
$397
United Airlines
9 Apr
LAX16:42Los Angeles Los Angeles
5h 03m
IAD00:45Washington, D.C. Dulles Intl
12 Apr
IAD22:05Washington, D.C. Dulles Intl
5h 50m
LAX00:55Los Angeles Los Angeles
$438

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
29 Apr
LAX16:57Los Angeles Los Angeles
9h 53m
1 stop
IAD05:50Washington, D.C. Dulles Intl
30 Apr
IAD09:00Washington, D.C. Dulles Intl
9h 48m
1 stop
LAX15:48Los Angeles Los Angeles
$417
Alaska Airlines
29 Apr
LAX16:57Los Angeles Los Angeles
9h 53m
1 stop
IAD05:50Washington, D.C. Dulles Intl
30 Apr
IAD09:00Washington, D.C. Dulles Intl
11h 41m
1 stop
LAX17:41Los Angeles Los Angeles
$445
Alaska Airlines
29 Apr
LAX08:25Los Angeles Los Angeles
12h 44m
2 stops
IAD00:09Washington, D.C. Dulles Intl
6 May
IAD09:00Washington, D.C. Dulles Intl
9h 48m
1 stop
LAX15:48Los Angeles Los Angeles
$470

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 March 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

Mon 27/4

11:00-00:20

1 stop10h 20m

Washington, D.C. Dulles Intl

Wed 29/4

06:20-13:00

2 stops9h 40m

$378

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Fri 10/4

23:20-07:25

Nonstop5h 05m

Washington, D.C. Dulles Intl

Sat 11/4

08:57-11:45

Nonstop5h 48m

$390

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Thu 14/5

14:20-00:20

1 stop7h 00m

Washington, D.C. Dulles Intl

Tue 19/5

17:30-22:00

1 stop7h 30m

$391
Fastest return journey

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Mon 27/4

21:45-05:40

Nonstop4h 55m

Washington, D.C. Dulles Intl

Mon 4/5

06:10-08:50

Nonstop5h 40m

$395

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Wed 8/4

16:42-00:45

Nonstop5h 03m

Washington, D.C. Dulles Intl

Mon 13/4

22:05-00:55

Nonstop5h 50m

$397

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Mon 11/5

11:10-00:20

2 stops10h 10m

Washington, D.C. Dulles Intl

Sat 16/5

05:50-10:30

1 stop7h 40m

$398

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Wed 8/4

06:35-16:50

1 stop7h 15m

Washington, D.C. Dulles Intl

Tue 14/4

06:20-13:00

2 stops9h 40m

$404

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Sat 18/4

10:30-22:55

2 stops9h 25m

Washington, D.C. Dulles Intl

Wed 22/4

06:20-13:00

2 stops9h 40m

$405

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Thu 9/4

14:20-00:20

1 stop7h 00m

Washington, D.C. Dulles Intl

Wed 15/4

06:20-10:30

1 stop7h 10m

$411

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Fri 5/6

13:05-00:30

2 stops8h 25m

Washington, D.C. Dulles Intl

Tue 9/6

16:45-20:30

1 stop6h 45m

$412

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 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 $468, 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 $483.

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 $322. 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 Thursday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Thursday is $654.

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 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 $570 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 $405 on momondo.

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

There are 2 cabin classes available to choose from on Los Angeles 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 73% 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 March 2026, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 4% 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

10h 20m

Direct flights

Every day
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 10h 20m
Direct flights go from Los Angeles to Washington, D.C. Dulles Intl Airport every day.
  • How far is Los Angeles Los Angeles to Washington, D.C. Dulles Intl by plane?

    A flight from Los Angeles Los Angeles to Washington, D.C. Dulles Intl will travel around 3659.7 km. By plane, this route typically takes 10h 20m.

  • 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
Mon 13/4
Mon 20/4

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