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Cheap flights from Los Angeles to Washington, D.C. from $140

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 19/8. 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

United Airlines Logo
10:37 - 18:39LAX-IAD
5h 02mdirect
United Airlines Logo
08:50 - 11:20IAD-LAX
5h 30mdirect
$278United Airlines
Find Deal
Sat, 27 Sep - Sat, 4 Oct
United Airlines Logo
23:01 - 06:53LAX-IAD
4h 52mdirect
United Airlines Logo
22:16 - 00:45IAD-LAX
5h 29mdirect
$302United Airlines
Find Deal
Mon, 30 Jun - Tue, 1 Jul
Alaska Airlines Logo
08:20 - 16:25LAX-IAD
5h 05mdirect
Alaska Airlines Logo
20:19 - 22:48IAD-LAX
5h 29mdirect
$310Alaska Airlines
Find Deal
Tue, 12 Aug - Tue, 19 Aug
Southwest Logo
13:00 - 22:45LAX-IAD
6h 45m1 stop
Southwest Logo
06:30 - 16:00IAD-LAX
12h 30m1 stop
$313Southwest
Find Deal
Wed, 2 Jul - Sat, 5 Jul
Alaska Airlines Logo
11:29 - 06:50LAX-IAD
16h 21m1 stop
Alaska Airlines Logo
19:59 - 10:47IAD-LAX
17h 48m1 stop
$319Alaska Airlines
Find Deal
Tue, 1 Jul - Tue, 5 Aug
Hawaiian Airlines Logo
06:00 - 19:19LAX-IAD
10h 19m1 stop
Hawaiian Airlines Logo
20:19 - 22:48IAD-LAX
5h 29mdirect
$324Hawaiian Airlines
Find Deal
Tue, 5 Aug - Fri, 15 Aug
Southwest Logo
08:30 - 23:05LAX-IAD
11h 35m2 stops
Southwest Logo
17:50 - 22:50IAD-LAX
8h 00m1 stop
$347Southwest
Find Deal
Wed, 29 Oct - Mon, 3 Nov
Hawaiian Airlines Logo
08:20 - 16:25LAX-IAD
5h 05mdirect
Hawaiian Airlines Logo
06:30 - 13:10IAD-LAX
9h 40m1 stop
$355Hawaiian Airlines
Find Deal
Wed, 6 Aug - Wed, 13 Aug
Frontier Logo
15:48 - 06:30LAX-IAD
11h 42m1 stop
Frontier Logo
07:30 - 19:52IAD-LAX
15h 22m1 stop
$358Frontier
Find Deal
Fri, 4 Jul - Tue, 8 Jul
Frontier Logo
15:48 - 06:30LAX-IAD
11h 42m1 stop
Frontier Logo
07:30 - 12:08IAD-LAX
7h 38m1 stop
$488Frontier
Find Deal
Mon, 30 Jun - Mon, 14 Jul

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
27 Sept
LAX10:37Los Angeles
5h 02m
IAD18:39Washington, D.C. Dulles Intl
4 Oct
IAD08:50Washington, D.C. Dulles Intl
5h 30m
LAX11:20Los Angeles
United Airlines
30 June
LAX23:01Los Angeles
4h 52m
IAD06:53Washington, D.C. Dulles Intl
1 July
IAD22:16Washington, D.C. Dulles Intl
5h 29m
LAX00:45Los Angeles
United Airlines
20 Aug
LAX16:29Los Angeles
5h 01m
IAD00:30Washington, D.C. Dulles Intl
25 Aug
IAD07:00Washington, D.C. Dulles Intl
5h 26m
LAX09:26Los Angeles

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
12 Aug
LAX08:20Los Angeles
5h 05m
IAD16:25Washington, D.C. Dulles Intl
19 Aug
IAD20:19Washington, D.C. Dulles Intl
5h 29m
LAX22:48Los Angeles
Alaska Airlines
1 July
LAX11:29Los Angeles
16h 21m
1 stop
IAD06:50Washington, D.C. Dulles Intl
5 Aug
IAD19:59Washington, D.C. Dulles Intl
17h 48m
1 stop
LAX10:47Los Angeles
Alaska Airlines
14 Aug
LAX06:00Los Angeles
10h 19m
1 stop
IAD19:19Washington, D.C. Dulles Intl
19 Aug
IAD20:19Washington, D.C. Dulles Intl
5h 29m
LAX22:48Los Angeles

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 $502, 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 August is your next best option. Flight prices from Los Angeles to Washington, D.C. Dulles Intl Airport during August average around $502.

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 $489. 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 $978.

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 $532. Flights to Washington, D.C. Dulles Intl Airport are more costly at midday, with an average ticket price of $685. Departure times at midday 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 22 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $593 when searching 22 weeks out.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 51% 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 June 2025, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 32% 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

$140

Fastest flight time

4h 41m

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 $140. The best return flight deal from Los Angeles to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $278.
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.

  • 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 50m.

  • 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 many operators does momondo search for flights from Los Angeles Airport to Washington, D.C. Dulles Intl Airport?

  • 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?

  • What is the most popular airline from Los Angeles to Washington, D.C. Dulles Intl Airport?


Best airlines flying from Los Angeles to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Los Angeles to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $460Free cancellationRating
7.4
8,784 reviews
Search United Airlines flights
  • United Airlines Flights From Los Angeles to Washington, D.C. Dulles Intl Airport

    United Airlines flies from Los Angeles to Washington, D.C. Dulles Intl Airport around 40 times per week, with 8,784 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Los Angeles to Washington, D.C. Dulles Intl Airport in the last 72 hours was $299 (round-trip), much lower than the average airfare cost of $407 for United Airlines flights on this route.


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
Landover

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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