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Cheap flights from Los Angeles to Washington, D.C. from $142

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 1/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Frontier Logo
10:45 pm - 11:28 am
LAX
-
IAD
9h 43m1 stop
Frontier Logo
6:00 am - 12:53 pm
IAD
-
LAX
9h 53m1 stop
$254Frontier
Mon, Jan 5 - Tue, Jan 13
Multiple Airlines Logo
6:00 am - 4:50 pm
LAX
-
IAD
7h 50m1 stop
Multiple Airlines Logo
9:59 pm - 7:15 am
IAD
-
LAX
12h 16m1 stop
$255Multiple Airlines
Wed, Jan 7 - Sun, Jan 11
Frontier Logo
1:59 pm - 11:28 am
LAX
-
IAD
18h 29m1 stop
Frontier Logo
6:00 am - 4:48 pm
IAD
-
LAX
13h 48m2 stops
$256Frontier
Fri, Jan 9 - Mon, Jan 12
United Airlines Logo
9:30 pm - 5:24 am
LAX
-
IAD
4h 54mnonstop
United Airlines Logo
10:05 pm - 12:59 am
IAD
-
LAX
5h 54mnonstop
$257United Airlines
Fri, Jan 9 - Mon, Jan 12
Frontier Logo
6:26 am - 8:56 pm
LAX
-
IAD
11h 30m2 stops
Frontier Logo
6:00 am - 12:53 pm
IAD
-
LAX
9h 53m1 stop
$258Frontier
Thu, Jan 8 - Wed, Jan 14
Frontier Logo
8:31 pm - 4:50 pm
LAX
-
IAD
17h 19m2 stops
Frontier Logo
6:00 am - 12:53 pm
IAD
-
LAX
9h 53m1 stop
$259Frontier
Tue, Jan 6 - Tue, Jan 13
Frontier Logo
10:45 pm - 11:28 am
LAX
-
IAD
9h 43m1 stop
Frontier Logo
6:00 am - 9:50 pm
IAD
-
LAX
18h 50m2 stops
$260Frontier
Mon, Jan 5 - Sun, Jan 18
Multiple Airlines Logo
11:43 pm - 4:50 pm
LAX
-
IAD
14h 07m2 stops
Multiple Airlines Logo
6:00 am - 12:53 pm
IAD
-
LAX
9h 53m1 stop
$261Multiple Airlines
Tue, Jan 6 - Thu, Jan 15
Multiple Airlines Logo
9:49 pm - 4:46 pm
LAX
-
IAD
15h 57m2 stops
Multiple Airlines Logo
6:00 am - 12:53 pm
IAD
-
LAX
9h 53m1 stop
$262Multiple Airlines
Thu, Jan 8 - Wed, Jan 14
Multiple Airlines Logo
12:33 am - 4:33 pm
LAX
-
IAD
13h 00m2 stops
Multiple Airlines Logo
10:50 am - 4:19 pm
IAD
-
LAX
8h 29m1 stop
$265Multiple Airlines
Thu, Jan 22 - Sun, Jan 25

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
Jan 5
LAX10:45 pmLos Angeles
9h 43m
1 stop
IAD11:28 amWashington, D.C. Dulles Intl
Jan 13
IAD6:00 amWashington, D.C. Dulles Intl
9h 53m
1 stop
LAX12:53 pmLos Angeles
$254
Find similar
Frontier
Jan 9
LAX1:59 pmLos Angeles
18h 29m
1 stop
IAD11:28 amWashington, D.C. Dulles Intl
Jan 12
IAD6:00 amWashington, D.C. Dulles Intl
13h 48m
2 stops
LAX4:48 pmLos Angeles
$256
Find similar
Frontier
Jan 8
LAX6:26 amLos Angeles
11h 30m
2 stops
IAD8:56 pmWashington, D.C. Dulles Intl
Jan 14
IAD6:00 amWashington, D.C. Dulles Intl
9h 53m
1 stop
LAX12:53 pmLos Angeles
$258
Find similar

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
Jan 9
LAX9:30 pmLos Angeles
4h 54m
IAD5:24 amWashington, D.C. Dulles Intl
Jan 12
IAD10:05 pmWashington, D.C. Dulles Intl
5h 54m
LAX12:59 amLos Angeles
$257
Find similar
United Airlines
Jan 5
LAX11:30 pmLos Angeles
4h 48m
IAD7:18 amWashington, D.C. Dulles Intl
Jan 14
IAD3:19 pmWashington, D.C. Dulles Intl
5h 46m
LAX6:05 pmLos Angeles
$277
Find similar
United Airlines
Feb 15
LAX9:34 pmLos Angeles
4h 52m
IAD5:26 amWashington, D.C. Dulles Intl
Mar 15
IAD10:05 pmWashington, D.C. Dulles Intl
6h 04m
LAX1:09 amLos Angeles
$323
Find similar

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 December 15, 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

Mon 1/5

10:45 pm-11:28 am

1 stop9h 43m

Washington, D.C. Dulles Intl

Tue 1/13

6:00 am-12:53 pm

1 stop9h 53m

$254

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 1/7

6:00 am-4:50 pm

1 stop7h 50m

Washington, D.C. Dulles Intl

Sun 1/11

9:59 pm-7:15 am

1 stop12h 16m

$255

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 1/9

1:59 pm-11:28 am

1 stop18h 29m

Washington, D.C. Dulles Intl

Mon 1/12

6:00 am-4:48 pm

2 stops13h 48m

$256

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 1/9

9:30 pm-5:24 am

Nonstop4h 54m

Washington, D.C. Dulles Intl

Mon 1/12

10:05 pm-12:59 am

Nonstop5h 54m

$257

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 1/8

6:26 am-8:56 pm

2 stops11h 30m

Washington, D.C. Dulles Intl

Wed 1/14

6:00 am-12:53 pm

1 stop9h 53m

$258

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 1/6

8:31 pm-4:50 pm

2 stops17h 19m

Washington, D.C. Dulles Intl

Tue 1/13

6:00 am-12:53 pm

1 stop9h 53m

$259

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 1/5

10:45 pm-11:28 am

1 stop9h 43m

Washington, D.C. Dulles Intl

Sun 1/18

6:00 am-9:50 pm

2 stops18h 50m

$260

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 1/6

11:43 pm-4:50 pm

2 stops14h 07m

Washington, D.C. Dulles Intl

Thu 1/15

6:00 am-12:53 pm

1 stop9h 53m

$261

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 1/8

9:49 pm-4:46 pm

2 stops15h 57m

Washington, D.C. Dulles Intl

Wed 1/14

6:00 am-12:53 pm

1 stop9h 53m

$262

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 1/22

12:33 am-4:33 pm

2 stops13h 00m

Washington, D.C. Dulles Intl

Sun 1/25

10:50 am-4:19 pm

1 stop8h 29m

$265

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 $422. 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 $565.

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 $382 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 $540 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 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 $389 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 $320 on momondo.

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

There are 4 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 7% 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 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

$214

Fastest flight time

4h 33m

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 $214. 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 $408.
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 33m
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?

    Washington, D.C. Dulles Intl is 2274.0 mi away from Los Angeles. Typically, this will take 4h 33m by plane in normal conditions.

  • 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 updated daily.

  • 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 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 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 $72Free CancellationRating
6.3
8,187 reviews
Search Spirit Airlines flights
FrontierPriceFrom $127Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $168Free CancellationRating
7.9
8,008 reviews
Search Delta flights
Alaska AirlinesPriceFrom $227Free CancellationRating
8.0
11,455 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $227Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
SouthwestPriceFrom $246Free CancellationRating
7.9
4,249 reviews
Search Southwest flights
American AirlinesPriceFrom $356Free CancellationRating
7.2
11,049 reviews
Search American Airlines 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 23 flights on this route every week with an average price of $403. 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Gaithersburg
Reston
Manassas
Sterling
Fairfax

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.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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