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Cheap flights from Los Angeles to Washington, D.C. from $137

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 12/11. 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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Multiple Airlines Logo
6:00 am - 11:05 pmLAX-IAD
14h 05m1 stop
Multiple Airlines Logo
5:45 am - 9:11 pmIAD-LAX
18h 26m2 stops
$251Multiple Airlines
Find Deal
Sat, Dec 13 - Mon, Dec 15
Multiple Airlines Logo
9:20 pm - 11:38 amLAX-IAD
35h 18m2 stops
Multiple Airlines Logo
6:00 am - 12:47 pmIAD-LAX
9h 47m1 stop
$252Multiple Airlines
Find Deal
Mon, Dec 22 - Mon, Mar 9
Frontier Logo
10:39 pm - 2:29 pmLAX-IAD
12h 50m1 stop
Frontier Logo
9:58 pm - 6:03 pmIAD-LAX
23h 05m1 stop
$254Frontier
Find Deal
Mon, Dec 15 - Mon, Dec 22
Multiple Airlines Logo
2:38 pm - 8:56 pmLAX-IAD
27h 18m1 stop
Multiple Airlines Logo
5:37 pm - 12:50 pmIAD-LAX
22h 13m1 stop
$255Multiple Airlines
Find Deal
Wed, Jan 7 - Thu, Feb 5
Multiple Airlines Logo
11:59 pm - 11:05 pmLAX-IAD
20h 06m2 stops
Multiple Airlines Logo
5:45 am - 12:47 pmIAD-LAX
10h 02m1 stop
$256Multiple Airlines
Find Deal
Fri, Dec 12 - Mon, Dec 15
United Airlines Logo
11:25 pm - 7:14 amLAX-IAD
4h 49mnonstop
United Airlines Logo
3:19 pm - 6:05 pmIAD-LAX
5h 46mnonstop
$257United Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 14
Frontier Logo
10:39 pm - 2:29 pmLAX-IAD
12h 50m1 stop
Frontier Logo
10:15 pm - 6:03 pmIAD-LAX
22h 48m1 stop
$258Frontier
Find Deal
Tue, Dec 16 - Sat, Dec 20
Frontier Logo
10:39 pm - 2:29 pmLAX-IAD
12h 50m1 stop
Frontier Logo
5:35 am - 12:30 amIAD-LAX
21h 55m2 stops
$260Frontier
Find Deal
Tue, Dec 16 - Thu, Dec 18
Frontier Logo
11:59 pm - 9:13 pmLAX-IAD
18h 14m1 stop
Frontier Logo
9:19 am - 6:03 pmIAD-LAX
11h 44m1 stop
$261Frontier
Find Deal
Tue, Apr 7 - Mon, Apr 13
Frontier Logo
10:39 pm - 2:29 pmLAX-IAD
12h 50m1 stop
Frontier Logo
7:18 pm - 9:11 pmIAD-LAX
28h 53m2 stops
$263Frontier
Find Deal
Tue, Dec 9 - Thu, Dec 11

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
Dec 15
LAX10:39 pmLos Angeles
12h 50m
1 stop
IAD2:29 pmWashington, D.C. Dulles Intl
Jan 6
IAD6:00 amWashington, D.C. Dulles Intl
11h 19m
1 stop
LAX2:19 pmLos Angeles
$252
Find similar
Frontier
Dec 15
LAX10:39 pmLos Angeles
12h 50m
1 stop
IAD2:29 pmWashington, D.C. Dulles Intl
Dec 22
IAD9:58 pmWashington, D.C. Dulles Intl
23h 05m
1 stop
LAX6:03 pmLos Angeles
$254
Find similar
Frontier
Dec 29
LAX10:45 pmLos Angeles
9h 53m
1 stop
IAD11:38 amWashington, D.C. Dulles Intl
Jan 5
IAD7:06 pmWashington, D.C. Dulles Intl
27h 15m
2 stops
LAX7:21 pmLos Angeles
$256
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 7
LAX11:25 pmLos Angeles
4h 49m
IAD7:14 amWashington, D.C. Dulles Intl
Jan 14
IAD3:19 pmWashington, D.C. Dulles Intl
5h 46m
LAX6:05 pmLos Angeles
$257
Find similar
United Airlines
Feb 13
LAX10:15 amLos Angeles
4h 51m
IAD6:06 pmWashington, D.C. Dulles Intl
Feb 16
IAD7:13 pmWashington, D.C. Dulles Intl
6h 02m
LAX10:15 pmLos Angeles
$277
Find similar
United Airlines
Dec 12
LAX6:55 amLos Angeles
4h 55m
IAD2:50 pmWashington, D.C. Dulles Intl
Jan 7
IAD6:45 pmWashington, D.C. Dulles Intl
5h 56m
LAX9:41 pmLos Angeles
$332
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 November 29, 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

Sat 12/13

6:00 am-11:05 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Mon 12/15

5:45 am-9:11 pm

2 stops18h 26m

$251

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 12/22

9:20 pm-11:38 am

2 stops35h 18m

Washington, D.C. Dulles Intl

Mon 3/9

6:00 am-12:47 pm

1 stop9h 47m

$252

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 12/15

10:39 pm-2:29 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Mon 12/22

9:58 pm-6:03 pm

1 stop23h 05m

$254

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 1/7

2:38 pm-8:56 pm

1 stop27h 18m

Washington, D.C. Dulles Intl

Thu 2/5

5:37 pm-12:50 pm

1 stop22h 13m

$255

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 12/12

11:59 pm-11:05 pm

2 stops20h 06m

Washington, D.C. Dulles Intl

Mon 12/15

5:45 am-12:47 pm

1 stop10h 02m

$256

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 1/7

11:25 pm-7:14 am

Nonstop4h 49m

Washington, D.C. Dulles Intl

Wed 1/14

3:19 pm-6:05 pm

Nonstop5h 46m

$257

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 12/16

10:39 pm-2:29 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Sat 12/20

10:15 pm-6:03 pm

1 stop22h 48m

$258

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 12/16

10:39 pm-2:29 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Thu 12/18

5:35 am-12:30 am

2 stops21h 55m

$260

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 4/7

11:59 pm-9:13 pm

1 stop18h 14m

Washington, D.C. Dulles Intl

Mon 4/13

9:19 am-6:03 pm

1 stop11h 44m

$261

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 12/9

10:39 pm-2:29 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Thu 12/11

7:18 pm-9:11 pm

2 stops28h 53m

$263

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 $339.

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 $420. 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 $566.

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 $383 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 $388 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 $325 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?

No. A direct flight is the cheapest option for a flight between Los Angeles to Washington, D.C. Dulles Intl Airport.

How have Los Angeles to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of November 2025, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 31% 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

$207

Fastest flight time

4h 42m

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 $207. 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 $397.
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 42m
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 49m 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
8,161 reviews
Search Spirit Airlines flights
FrontierPriceFrom $127Free CancellationRating
5.8
3,100 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,815 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $138Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Alaska AirlinesPriceFrom $227Free CancellationRating
8.0
11,375 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $227Free CancellationRating
7.4
9,056 reviews
Search United Airlines flights
SouthwestPriceFrom $246Free CancellationRating
8.0
4,255 reviews
Search Southwest flights
American AirlinesPriceFrom $356Free CancellationRating
7.2
11,043 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 17 flights on this route every week with an average price of $401. 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
Reston
Manassas
Gaithersburg
Fairfax
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.

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

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