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Cheap flights from Los Angeles to Washington, D.C. from $209

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 8/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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United Airlines Logo
10:34 - 18:29
LAX
-
IAD
4h 55mdirect
United Airlines Logo
18:45 - 21:41
IAD
-
LAX
5h 56mdirect
$387United Airlines
Thu, 22 Jan - Mon, 26 Jan
Southwest Logo
06:30 - 15:50
LAX
-
IAD
6h 20m1 stop
Southwest Logo
16:40 - 21:50
IAD
-
LAX
8h 10m1 stop
$396Southwest
Thu, 8 Jan - Sun, 11 Jan
Southwest Logo
06:00 - 16:00
LAX
-
IAD
7h 00m1 stop
Southwest Logo
16:30 - 21:25
IAD
-
LAX
7h 55m1 stop
$399Southwest
Fri, 16 Jan - Tue, 20 Jan
Southwest Logo
07:50 - 21:55
LAX
-
IAD
11h 05m2 stops
Southwest Logo
05:10 - 11:25
IAD
-
LAX
9h 15m2 stops
$402Southwest
Mon, 2 Feb - Mon, 16 Feb
Southwest Logo
05:20 - 17:00
LAX
-
IAD
8h 40m2 stops
Southwest Logo
16:30 - 21:25
IAD
-
LAX
7h 55m1 stop
$406Southwest
Mon, 23 Feb - Wed, 25 Feb
Southwest Logo
06:30 - 15:50
LAX
-
IAD
6h 20m1 stop
Southwest Logo
07:00 - 14:00
IAD
-
LAX
10h 00m1 stop
$417Southwest
Thu, 8 Jan - Sat, 17 Jan
United Airlines Logo
23:25 - 07:14
LAX
-
IAD
4h 49mdirect
United Airlines Logo
15:19 - 18:05
IAD
-
LAX
5h 46mdirect
$423United Airlines
Thu, 15 Jan - Tue, 20 Jan
Southwest Logo
07:50 - 21:55
LAX
-
IAD
11h 05m2 stops
Southwest Logo
05:10 - 09:50
IAD
-
LAX
7h 40m1 stop
$424Southwest
Wed, 11 Feb - Mon, 16 Feb
Southwest Logo
07:50 - 21:55
LAX
-
IAD
11h 05m2 stops
Southwest Logo
05:10 - 11:25
IAD
-
LAX
9h 15m2 stops
$432Southwest
Wed, 11 Feb - Mon, 16 Feb
Alaska Airlines Logo
17:00 - 05:40
LAX
-
IAD
9h 40m1 stop
Alaska Airlines Logo
07:05 - 13:38
IAD
-
LAX
9h 33m1 stop
$445Alaska Airlines
Mon, 2 Mar - Wed, 11 Mar

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
22 Jan
LAX10:34Los Angeles
4h 55m
IAD18:29Washington, D.C. Dulles Intl
26 Jan
IAD18:45Washington, D.C. Dulles Intl
5h 56m
LAX21:41Los Angeles
$387
Find similar
United Airlines
15 Jan
LAX23:25Los Angeles
4h 49m
IAD07:14Washington, D.C. Dulles Intl
20 Jan
IAD15:19Washington, D.C. Dulles Intl
5h 46m
LAX18:05Los Angeles
$423
Find similar
United Airlines
22 Jan
LAX23:25Los Angeles
4h 49m
IAD07:14Washington, D.C. Dulles Intl
25 Jan
IAD08:25Washington, D.C. Dulles Intl
6h 00m
LAX11:25Los Angeles
$450
Find similar

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

Our best Southwest deals on Los Angeles to Washington, D.C. Dulles Intl Airport flight tickets
Southwest
8 Jan
LAX06:30Los Angeles
6h 20m
1 stop
IAD15:50Washington, D.C. Dulles Intl
11 Jan
IAD16:40Washington, D.C. Dulles Intl
8h 10m
1 stop
LAX21:50Los Angeles
$396
Find similar
Southwest
16 Jan
LAX06:00Los Angeles
7h 00m
1 stop
IAD16:00Washington, D.C. Dulles Intl
20 Jan
IAD16:30Washington, D.C. Dulles Intl
7h 55m
1 stop
LAX21:25Los Angeles
$399
Find similar
Southwest
2 Feb
LAX07:50Los Angeles
11h 05m
2 stops
IAD21:55Washington, D.C. Dulles Intl
16 Feb
IAD05:10Washington, D.C. Dulles Intl
9h 15m
2 stops
LAX11:25Los Angeles
$402
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 7 December 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

Thu 22/1

10:34-18:29

Nonstop4h 55m

Washington, D.C. Dulles Intl

Mon 26/1

18:45-21:41

Nonstop5h 56m

$387

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 8/1

06:30-15:50

1 stop6h 20m

Washington, D.C. Dulles Intl

Sun 11/1

16:40-21:50

1 stop8h 10m

$396

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 16/1

06:00-16:00

1 stop7h 00m

Washington, D.C. Dulles Intl

Tue 20/1

16:30-21:25

1 stop7h 55m

$399

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 2/2

07:50-21:55

2 stops11h 05m

Washington, D.C. Dulles Intl

Mon 16/2

05:10-11:25

2 stops9h 15m

$402

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 23/2

05:20-17:00

2 stops8h 40m

Washington, D.C. Dulles Intl

Wed 25/2

16:30-21:25

1 stop7h 55m

$406

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 8/1

06:30-15:50

1 stop6h 20m

Washington, D.C. Dulles Intl

Sat 17/1

07:00-14:00

1 stop10h 00m

$417

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 15/1

23:25-07:14

Nonstop4h 49m

Washington, D.C. Dulles Intl

Tue 20/1

15:19-18:05

Nonstop5h 46m

$423

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 11/2

07:50-21:55

2 stops11h 05m

Washington, D.C. Dulles Intl

Mon 16/2

05:10-09:50

1 stop7h 40m

$424

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 11/2

07:50-21:55

2 stops11h 05m

Washington, D.C. Dulles Intl

Mon 16/2

05:10-11:25

2 stops9h 15m

$432

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 2/3

17:00-05:40

1 stop9h 40m

Washington, D.C. Dulles Intl

Wed 11/3

07:05-13:38

1 stop9h 33m

$445

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 $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, Saturday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Los Angeles. The lowest ticket price found for a Saturday departure recently was $535. 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 $688.

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 at midday when flights can be purchased for as low as $581. Flights to Washington, D.C. Dulles Intl Airport are more costly in the evening, with an average ticket price of $613. 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 $587 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 $481 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 48% 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 December 2025, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 45% 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

Best price found

$466

Fastest flight time

4h 54m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Los Angeles in the past 72 hours is $466. The best return flight deal from Los Angeles to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $508.
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 54m
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 49m.

  • 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
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

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