Cheap flights from Los Angeles to Washington, D.C. from $227

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 30/5. 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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Cheap return flights

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United Airlines Logo
21:20 - 05:26
LAX
-
IAD
5h 06mdirect
United Airlines Logo
07:00 - 09:26
IAD
-
LAX
5h 26mdirect
$386United Airlines
Wed, 8 Jul - Wed, 15 Jul
United Airlines Logo
21:30 - 05:30
LAX
-
IAD
5h 00mdirect
United Airlines Logo
07:00 - 09:33
IAD
-
LAX
5h 33mdirect
$388United Airlines
Sat, 26 Sep - Sun, 27 Sep
United Airlines Logo
21:30 - 05:36
LAX
-
IAD
5h 06mdirect
United Airlines Logo
07:00 - 09:26
IAD
-
LAX
5h 26mdirect
$389United Airlines
Fri, 22 May - Mon, 25 May
Frontier Logo
23:21 - 18:32
LAX
-
IAD
16h 11m
1 stop
Frontier Logo
09:12 - 19:32
IAD
-
LAX
13h 20m
1 stop
$392Frontier
Fri, 29 May - Thu, 4 Jun
Frontier Logo
23:21 - 18:32
LAX
-
IAD
16h 11m
1 stop
Frontier Logo
09:12 - 09:03
IAD
-
LAX
26h 51m
1 stop
$393Frontier
Fri, 29 May - Wed, 3 Jun
United Airlines Logo
21:30 - 05:36
LAX
-
IAD
5h 06mdirect
United Airlines Logo
20:15 - 22:52
IAD
-
LAX
5h 37mdirect
$396United Airlines
Fri, 22 May - Sun, 24 May
Frontier Logo
15:15 - 08:12
LAX
-
IAD
13h 57m
2 stops
Frontier Logo
09:12 - 19:32
IAD
-
LAX
13h 20m
1 stop
$397Frontier
Fri, 29 May - Wed, 3 Jun
American Airlines Logo
09:24 - 19:33
LAX
-
IAD
7h 09m
1 stop
American Airlines Logo
06:10 - 08:45
IAD
-
LAX
5h 35mdirect
$403American Airlines
Fri, 29 May - Wed, 3 Jun
American Airlines Logo
20:50 - 04:48
LAX
-
IAD
4h 58mdirect
American Airlines Logo
06:18 - 10:55
IAD
-
LAX
7h 37m
1 stop
$404American Airlines
Fri, 29 May - Wed, 3 Jun
Frontier Logo
23:21 - 18:32
LAX
-
IAD
16h 11m
1 stop
Frontier Logo
07:45 - 19:32
IAD
-
LAX
14h 47m
2 stops
$406Frontier
Fri, 29 May - Thu, 4 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
8 July
LAX21:20Los Angeles
5h 06m
IAD05:26Washington, D.C. Dulles Intl
15 July
IAD07:00Washington, D.C. Dulles Intl
5h 26m
LAX09:26Los Angeles
$386
United Airlines
26 Sept
LAX21:30Los Angeles
5h 00m
IAD05:30Washington, D.C. Dulles Intl
27 Sept
IAD07:00Washington, D.C. Dulles Intl
5h 33m
LAX09:33Los Angeles
$388
United Airlines
22 May
LAX21:30Los Angeles
5h 06m
IAD05:36Washington, D.C. Dulles Intl
25 May
IAD07:00Washington, D.C. Dulles Intl
5h 26m
LAX09:26Los Angeles
$389

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
27 May
LAX13:39Los Angeles
14h 55m
1 stop
IAD07:34Washington, D.C. Dulles Intl
2 June
IAD06:00Washington, D.C. Dulles Intl
11h 34m
1 stop
LAX14:34Los Angeles
$470
Alaska Airlines
27 May
LAX19:47Los Angeles
8h 47m
1 stop
IAD07:34Washington, D.C. Dulles Intl
3 June
IAD06:00Washington, D.C. Dulles Intl
11h 34m
1 stop
LAX14:34Los Angeles
$484
Alaska Airlines
19 May
LAX09:00Los Angeles
11h 59m
1 stop
IAD23:59Washington, D.C. Dulles Intl
27 May
IAD17:38Washington, D.C. Dulles Intl
9h 23m
1 stop
LAX00:01Los Angeles
$581

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 6 May 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
Fastest return journey

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 8/7

21:20-05:26

Nonstop5h 06m

Washington, D.C. Dulles Intl

Wed 15/7

07:00-09:26

Nonstop5h 26m

$386

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 26/9

21:30-05:30

Nonstop5h 00m

Washington, D.C. Dulles Intl

Sun 27/9

07:00-09:33

Nonstop5h 33m

$388

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 22/5

21:30-05:36

Nonstop5h 06m

Washington, D.C. Dulles Intl

Mon 25/5

07:00-09:26

Nonstop5h 26m

$389

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 29/5

23:21-18:32

1 stop16h 11m

Washington, D.C. Dulles Intl

Thu 4/6

09:12-19:32

1 stop13h 20m

$392

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 29/5

23:21-18:32

1 stop16h 11m

Washington, D.C. Dulles Intl

Wed 3/6

09:12-09:03

1 stop26h 51m

$393

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 22/5

21:30-05:36

Nonstop5h 06m

Washington, D.C. Dulles Intl

Sun 24/5

20:15-22:52

Nonstop5h 37m

$396

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 29/5

15:15-08:12

2 stops13h 57m

Washington, D.C. Dulles Intl

Wed 3/6

09:12-19:32

1 stop13h 20m

$397

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 29/5

09:24-19:33

1 stop7h 09m

Washington, D.C. Dulles Intl

Wed 3/6

06:10-08:45

Nonstop5h 35m

$403

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 29/5

20:50-04:48

Nonstop4h 58m

Washington, D.C. Dulles Intl

Wed 3/6

06:18-10:55

1 stop7h 37m

$404

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 29/5

23:21-18:32

1 stop16h 11m

Washington, D.C. Dulles Intl

Thu 4/6

07:45-19:32

2 stops14h 47m

$406

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 July. Flight prices, which tend to average around $485, 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 July, then August is your next best option. Flight prices from Los Angeles to Washington, D.C. Dulles Intl Airport during August average around $503.

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 $443. 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 $637.

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 $443. Flights to Washington, D.C. Dulles Intl Airport are more costly in the morning, with an average ticket price of $567. 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 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 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 $571 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 $404 on momondo.

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

You could potentially save up to 33% 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 May 2026, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 11% 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

$443

Fastest flight time

4h 58m

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 $443
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 58m
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 58m.

  • 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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