Cheap flights from Los Angeles to Washington, D.C. from $196

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 24/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Southwest Logo
08:20 - 18:55
LAX
-
IAD
7h 35m
1 stop
Southwest Logo
16:45 - 21:15
IAD
-
LAX
7h 30m
1 stop
$363Southwest
Thu, 5 Mar - Wed, 11 Mar
Southwest Logo
11:05 - 00:15
LAX
-
IAD
10h 10m
1 stop
Southwest Logo
05:50 - 10:05
IAD
-
LAX
7h 15m
1 stop
$370Southwest
Mon, 9 Mar - Thu, 12 Mar
United Airlines Logo
21:20 - 05:25
LAX
-
IAD
5h 05mdirect
United Airlines Logo
19:49 - 22:35
IAD
-
LAX
5h 46mdirect
$376United Airlines
Sat, 11 Apr - Sun, 12 Apr
Southwest Logo
10:45 - 23:40
LAX
-
IAD
9h 55m
2 stops
Southwest Logo
05:50 - 12:10
IAD
-
LAX
9h 20m
2 stops
$377Southwest
Wed, 8 Apr - Sat, 25 Apr
Southwest Logo
08:45 - 21:55
LAX
-
IAD
10h 10m
2 stops
Southwest Logo
05:05 - 13:00
IAD
-
LAX
11h 55m
1 stop
$379Southwest
Wed, 4 Mar - Sun, 8 Mar
United Airlines Logo
16:42 - 00:47
LAX
-
IAD
5h 05mdirect
United Airlines Logo
22:10 - 00:46
IAD
-
LAX
5h 36mdirect
$381United Airlines
Wed, 1 Jul - Sun, 5 Jul
United Airlines Logo
23:39 - 07:29
LAX
-
IAD
4h 50mdirect
United Airlines Logo
18:00 - 20:41
IAD
-
LAX
5h 41mdirect
$391United Airlines
Mon, 9 Mar - Tue, 10 Mar
United Airlines Logo
16:37 - 00:28
LAX
-
IAD
4h 51mdirect
United Airlines Logo
19:25 - 22:28
IAD
-
LAX
6h 03mdirect
$398United Airlines
Tue, 17 Mar - Sat, 21 Mar
United Airlines Logo
23:10 - 07:12
LAX
-
IAD
5h 02mdirect
United Airlines Logo
22:10 - 00:46
IAD
-
LAX
5h 36mdirect
$401United Airlines
Wed, 24 Jun - Sun, 28 Jun
United Airlines Logo
23:39 - 07:29
LAX
-
IAD
4h 50mdirect
United Airlines Logo
22:05 - 01:09
IAD
-
LAX
6h 04mdirect
$405United Airlines
Wed, 18 Mar - Tue, 24 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
11 Apr
LAX21:20Los Angeles
5h 05m
IAD05:25Washington, D.C. Dulles Intl
12 Apr
IAD19:49Washington, D.C. Dulles Intl
5h 46m
LAX22:35Los Angeles
$376
United Airlines
1 July
LAX16:42Los Angeles
5h 05m
IAD00:47Washington, D.C. Dulles Intl
5 July
IAD22:10Washington, D.C. Dulles Intl
5h 36m
LAX00:46Los Angeles
$381
United Airlines
9 Mar
LAX23:39Los Angeles
4h 50m
IAD07:29Washington, D.C. Dulles Intl
10 Mar
IAD18:00Washington, D.C. Dulles Intl
5h 41m
LAX20:41Los Angeles
$391

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
25 Mar
LAX15:53Los Angeles
10h 47m
1 stop
IAD05:40Washington, D.C. Dulles Intl
31 Mar
IAD07:00Washington, D.C. Dulles Intl
10h 10m
1 stop
LAX14:10Los Angeles
$420
Alaska Airlines
18 Mar
LAX12:46Los Angeles
13h 54m
1 stop
IAD05:40Washington, D.C. Dulles Intl
21 Mar
IAD07:00Washington, D.C. Dulles Intl
19h 59m
1 stop
LAX23:59Los Angeles
$485
Alaska Airlines
31 Mar
LAX14:03Los Angeles
12h 37m
1 stop
IAD05:40Washington, D.C. Dulles Intl
2 Apr
IAD07:00Washington, D.C. Dulles Intl
15h 55m
2 stops
LAX19:55Los Angeles
$487

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 15 February 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

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 5/3

08:20-18:55

1 stop7h 35m

Washington, D.C. Dulles Intl

Wed 11/3

16:45-21:15

1 stop7h 30m

$363

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 9/3

11:05-00:15

1 stop10h 10m

Washington, D.C. Dulles Intl

Thu 12/3

05:50-10:05

1 stop7h 15m

$370

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 11/4

21:20-05:25

Nonstop5h 05m

Washington, D.C. Dulles Intl

Sun 12/4

19:49-22:35

Nonstop5h 46m

$376

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 8/4

10:45-23:40

2 stops9h 55m

Washington, D.C. Dulles Intl

Sat 25/4

05:50-12:10

2 stops9h 20m

$377

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 4/3

08:45-21:55

2 stops10h 10m

Washington, D.C. Dulles Intl

Sun 8/3

05:05-13:00

1 stop11h 55m

$379

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 1/7

16:42-00:47

Nonstop5h 05m

Washington, D.C. Dulles Intl

Sun 5/7

22:10-00:46

Nonstop5h 36m

$381

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 9/3

23:39-07:29

Nonstop4h 50m

Washington, D.C. Dulles Intl

Tue 10/3

18:00-20:41

Nonstop5h 41m

$391

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 17/3

16:37-00:28

Nonstop4h 51m

Washington, D.C. Dulles Intl

Sat 21/3

19:25-22:28

Nonstop6h 03m

$398

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 24/6

23:10-07:12

Nonstop5h 02m

Washington, D.C. Dulles Intl

Sun 28/6

22:10-00:46

Nonstop5h 36m

$401

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 18/3

23:39-07:29

Nonstop4h 50m

Washington, D.C. Dulles Intl

Tue 24/3

22:05-01:09

Nonstop6h 04m

$405

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 $462, 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 $476.

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 $317. 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 $646.

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 $561. Flights to Washington, D.C. Dulles Intl Airport are more costly in the evening, with an average ticket price of $576. 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 $557 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 $400 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 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 February 2026, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 38% 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

5h 06m

Direct flights

Every day
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 5h 06m
Direct flights go from Los Angeles to Washington, D.C. Dulles Intl Airport every day.
  • 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 5h 06m.

  • 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

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 17/3
Tue 24/3

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