Cheap flights from Los Angeles to Washington, D.C. from $141

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 7/26. 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 round-trip flights

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Southwest Logo
11:00 am - 12:20 am
LAX
-
IAD
10h 20m
1 stop
Southwest Logo
6:20 am - 4:15 pm
IAD
-
LAX
12h 55m
2 stops
$264Southwest
Mon, Apr 27 - Wed, Apr 29
Frontier Logo
1:52 pm - 12:36 am
LAX
-
IAD
7h 44m
1 stop
Frontier Logo
6:00 am - 12:36 pm
IAD
-
LAX
9h 36m
1 stop
$265Frontier
Thu, Apr 16 - Mon, Apr 20
Frontier Logo
11:20 pm - 10:12 am
LAX
-
IAD
7h 52m
1 stop
Frontier Logo
9:12 am - 7:32 pm
IAD
-
LAX
13h 20m
1 stop
$266Frontier
Tue, May 26 - Wed, Jun 3
Frontier Logo
10:51 pm - 10:11 am
LAX
-
IAD
8h 20m
1 stop
Frontier Logo
7:00 am - 2:59 pm
IAD
-
LAX
10h 59m
2 stops
$267Frontier
Thu, Apr 9 - Wed, Apr 15
Frontier Logo
1:52 pm - 12:36 am
LAX
-
IAD
7h 44m
1 stop
Frontier Logo
8:12 am - 11:24 am
IAD
-
LAX
30h 12m
2 stops
$268Frontier
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
1:52 pm - 12:36 am
LAX
-
IAD
7h 44m
1 stop
Multiple Airlines Logo
7:00 am - 2:11 pm
IAD
-
LAX
10h 11m
1 stop
$269Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Frontier Logo
11:20 pm - 10:12 am
LAX
-
IAD
7h 52m
1 stop
Frontier Logo
7:40 am - 2:15 pm
IAD
-
LAX
9h 35m
1 stop
$270Frontier
Wed, May 6 - Wed, May 13
Multiple Airlines Logo
10:51 pm - 11:33 am
LAX
-
IAD
9h 42m
1 stop
Multiple Airlines Logo
6:15 am - 9:06 am
IAD
-
LAX
29h 51m
2 stops
$271Multiple Airlines
Wed, Apr 8 - Mon, Apr 13
Frontier Logo
10:51 pm - 11:33 am
LAX
-
IAD
9h 42m
1 stop
Frontier Logo
7:00 am - 12:36 pm
IAD
-
LAX
8h 36m
1 stop
$272Frontier
Wed, Apr 8 - Wed, Apr 15
Frontier Logo
10:51 pm - 11:33 am
LAX
-
IAD
9h 42m
1 stop
Frontier Logo
7:00 am - 3:20 pm
IAD
-
LAX
11h 20m
2 stops
$273Frontier
Wed, Apr 8 - Wed, Apr 15

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

Our best Frontier deals on Los Angeles to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Apr 16
LAX1:52 pmLos Angeles Los Angeles
7h 44m
1 stop
IAD12:36 amWashington, D.C. Dulles Intl
Apr 20
IAD6:00 amWashington, D.C. Dulles Intl
9h 36m
1 stop
LAX12:36 pmLos Angeles Los Angeles
$265
Frontier
May 17
LAX11:21 pmLos Angeles Los Angeles
16h 21m
1 stop
IAD6:42 pmWashington, D.C. Dulles Intl
May 20
IAD7:40 amWashington, D.C. Dulles Intl
9h 35m
1 stop
LAX2:15 pmLos Angeles Los Angeles
$266
Frontier
Apr 9
LAX10:51 pmLos Angeles Los Angeles
8h 20m
1 stop
IAD10:11 amWashington, D.C. Dulles Intl
Apr 15
IAD7:00 amWashington, D.C. Dulles Intl
10h 59m
2 stops
LAX2:59 pmLos Angeles Los Angeles
$267

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
Apr 9
LAX4:42 pmLos Angeles Los Angeles
5h 03m
IAD12:45 amWashington, D.C. Dulles Intl
Apr 14
IAD3:25 pmWashington, D.C. Dulles Intl
5h 45m
LAX6:10 pmLos Angeles Los Angeles
$277
United Airlines
Apr 16
LAX9:20 pmLos Angeles Los Angeles
5h 05m
IAD5:25 amWashington, D.C. Dulles Intl
Apr 19
IAD10:05 pmWashington, D.C. Dulles Intl
5h 50m
LAX12:55 amLos Angeles Los Angeles
$297
United Airlines
Apr 8
LAX10:35 pmLos Angeles Los Angeles
5h 02m
IAD6:37 amWashington, D.C. Dulles Intl
Apr 11
IAD8:53 pmWashington, D.C. Dulles Intl
5h 51m
LAX11:44 pmLos Angeles Los Angeles
$303

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated March 16, 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 round-trip

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Mon 4/27

11:00 am-12:20 am

1 stop10h 20m

Washington, D.C. Dulles Intl

Wed 4/29

6:20 am-4:15 pm

2 stops12h 55m

$264
Quickest round-trip

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Thu 4/16

1:52 pm-12:36 am

1 stop7h 44m

Washington, D.C. Dulles Intl

Mon 4/20

6:00 am-12:36 pm

1 stop9h 36m

$265

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Tue 5/26

11:20 pm-10:12 am

1 stop7h 52m

Washington, D.C. Dulles Intl

Wed 6/3

9:12 am-7:32 pm

1 stop13h 20m

$266

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Thu 4/9

10:51 pm-10:11 am

1 stop8h 20m

Washington, D.C. Dulles Intl

Wed 4/15

7:00 am-2:59 pm

2 stops10h 59m

$267

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Thu 4/16

1:52 pm-12:36 am

1 stop7h 44m

Washington, D.C. Dulles Intl

Mon 4/20

8:12 am-11:24 am

2 stops30h 12m

$268

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Tue 4/14

1:52 pm-12:36 am

1 stop7h 44m

Washington, D.C. Dulles Intl

Tue 4/21

7:00 am-2:11 pm

1 stop10h 11m

$269

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Wed 5/6

11:20 pm-10:12 am

1 stop7h 52m

Washington, D.C. Dulles Intl

Wed 5/13

7:40 am-2:15 pm

1 stop9h 35m

$270

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Wed 4/8

10:51 pm-11:33 am

1 stop9h 42m

Washington, D.C. Dulles Intl

Mon 4/13

6:15 am-9:06 am

2 stops29h 51m

$271

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Wed 4/8

10:51 pm-11:33 am

1 stop9h 42m

Washington, D.C. Dulles Intl

Wed 4/15

7:00 am-12:36 pm

1 stop8h 36m

$272

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles Los Angeles

Wed 4/8

10:51 pm-11:33 am

1 stop9h 42m

Washington, D.C. Dulles Intl

Wed 4/15

7:00 am-3:20 pm

2 stops11h 20m

$273

Flights are sorted by cheapest round-trip 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?

In general, May is the cheapest month to fly from Los Angeles to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $327. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $337.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $425. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Los Angeles to Washington, D.C. Dulles Intl Airport for around $569.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Los Angeles in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $396 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $564 on average. Flights to Washington, D.C. Dulles Intl Airport from Los Angeles at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $398 when searching 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 $283 on momondo.

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

There are 4 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 3% 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 12% 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 round-trip 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

$229

Fastest flight time

4h 51m

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 $229. The best round-trip flight deal from Los Angeles to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $371.
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 51m
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?

    Washington, D.C. Dulles Intl is 2274.0 mi away from Los Angeles Los Angeles. Typically, this will take 4h 51m by plane in normal conditions.

  • 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 updated daily.

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

  • 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
Spirit AirlinesPriceFrom $50Free CancellationRating
6.3
8,520 reviews
Search Spirit Airlines flights
FrontierPriceFrom $102Free CancellationRating
5.7
3,031 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $113Free CancellationRating
7.8
2,839 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $168Free CancellationRating
7.9
8,289 reviews
Search Delta flights
Alaska AirlinesPriceFrom $227Free CancellationRating
7.9
12,052 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $227Free CancellationRating
7.4
9,429 reviews
Search United Airlines flights
American AirlinesPriceFrom $237Free CancellationRating
7.1
11,466 reviews
Search American Airlines flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,319 reviews
Search Southwest flights
JetBluePriceFrom $394Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
  • United Airlines Flights From Los Angeles to Washington, D.C. Dulles Intl Airport

    The lowest priced United Airlines flight from Los Angeles to Washington, D.C. Dulles Intl Airport from the last 72 hours was $227. Generally, United Airlines has 34 flights on this route every week with an average price of $404. United Airlines is rated 7.4/10 by our users.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Gaithersburg
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Linthicum Heights
Bethesda
Sterling

Why use momondo?

Why should I use momondo to find a flight deal from Los Angeles to Washington, D.C.?

Finding the right flight to Washington, D.C. from Los Angeles is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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?

Of course. momondo tracks the price of Los Angeles to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Wed 4/15
Wed 4/22

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