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Cheap flights from Washington, D.C. Dulles Intl Airport to Los Angeles from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Los Angeles departing on 2/28. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:05 am - 3:36 pm
IAD
-
LAX
11h 31m
1 stop
Multiple Airlines Logo
10:50 pm - 9:34 am
LAX
-
IAD
7h 44m
1 stop
$254Multiple Airlines
Tue, Feb 24 - Fri, Feb 27
Frontier Logo
8:09 am - 7:01 pm
IAD
-
LAX
13h 52m
1 stop
Frontier Logo
10:43 pm - 7:24 am
LAX
-
IAD
29h 41m
1 stop
$255Frontier
Sun, Mar 8 - Wed, Mar 11
Frontier Logo
6:00 am - 12:44 pm
IAD
-
LAX
9h 44m
1 stop
Frontier Logo
7:15 am - 12:36 am
LAX
-
IAD
14h 21m
2 stops
$256Frontier
Sun, Apr 12 - Tue, Apr 14
Southwest Logo
5:05 am - 9:40 am
IAD
-
LAX
7h 35m
1 stop
Southwest Logo
3:00 pm - 12:25 am
LAX
-
IAD
6h 25m
1 stop
$257Southwest
Sat, Feb 28 - Sat, Mar 7
Multiple Airlines Logo
7:20 pm - 7:15 am
IAD
-
LAX
14h 55m
1 stop
Multiple Airlines Logo
1:05 am - 7:20 am
LAX
-
IAD
27h 15m
2 stops
$258Multiple Airlines
Sun, Feb 22 - Sat, Feb 28
Frontier Logo
5:35 am - 12:44 pm
IAD
-
LAX
10h 09m
1 stop
Frontier Logo
1:51 pm - 12:36 am
LAX
-
IAD
7h 45m
1 stop
$259Frontier
Sat, Apr 11 - Sat, Apr 18
Frontier Logo
10:29 am - 9:20 pm
IAD
-
LAX
13h 51m
2 stops
Frontier Logo
10:45 pm - 10:30 am
LAX
-
IAD
8h 45m
1 stop
$260Frontier
Sat, Feb 21 - Sat, Feb 28
Frontier Logo
10:23 am - 5:46 pm
IAD
-
LAX
10h 23m
1 stop
Frontier Logo
6:15 am - 11:31 pm
LAX
-
IAD
38h 16m
2 stops
$261Frontier
Fri, Feb 27 - Sat, Mar 7
Southwest Logo
9:05 am - 2:40 pm
IAD
-
LAX
8h 35m
1 stop
Southwest Logo
7:50 am - 9:55 pm
LAX
-
IAD
11h 05m
2 stops
$262Southwest
Wed, Feb 18 - Tue, Feb 24
Multiple Airlines Logo
11:22 am - 9:20 pm
IAD
-
LAX
12h 58m
2 stops
Multiple Airlines Logo
1:05 am - 9:25 am
LAX
-
IAD
29h 20m
1 stop
$263Multiple Airlines
Thu, Feb 19 - Sat, Feb 21

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

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Los Angeles flight tickets
Frontier
Mar 8
IAD8:09 amWashington, D.C. Dulles Intl
13h 52m
1 stop
LAX7:01 pmLos Angeles
Mar 11
LAX10:43 pmLos Angeles
29h 41m
1 stop
IAD7:24 amWashington, D.C. Dulles Intl
$255
Frontier
Apr 12
IAD6:00 amWashington, D.C. Dulles Intl
9h 44m
1 stop
LAX12:44 pmLos Angeles
Apr 14
LAX7:15 amLos Angeles
14h 21m
2 stops
IAD12:36 amWashington, D.C. Dulles Intl
$256
Frontier
Apr 11
IAD5:35 amWashington, D.C. Dulles Intl
10h 09m
1 stop
LAX12:44 pmLos Angeles
Apr 18
LAX1:51 pmLos Angeles
7h 45m
1 stop
IAD12:36 amWashington, D.C. Dulles Intl
$259

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

Our best Southwest deals on Washington, D.C. Dulles Intl Airport to Los Angeles flight tickets
Southwest
Feb 28
IAD5:05 amWashington, D.C. Dulles Intl
7h 35m
1 stop
LAX9:40 amLos Angeles
Mar 7
LAX3:00 pmLos Angeles
6h 25m
1 stop
IAD12:25 amWashington, D.C. Dulles Intl
$257
Southwest
Feb 18
IAD9:05 amWashington, D.C. Dulles Intl
8h 35m
1 stop
LAX2:40 pmLos Angeles
Feb 25
LAX8:45 amLos Angeles
10h 10m
2 stops
IAD9:55 pmWashington, D.C. Dulles Intl
$262
Southwest
Apr 15
IAD6:20 amWashington, D.C. Dulles Intl
9h 40m
2 stops
LAX1:00 pmLos Angeles
Apr 21
LAX10:45 amLos Angeles
9h 55m
2 stops
IAD11:40 pmWashington, D.C. Dulles Intl
$268

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Los Angeles 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 January 24, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Los Angeles that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 2/24

7:05 am-3:36 pm

1 stop11h 31m

Los Angeles

Fri 2/27

10:50 pm-9:34 am

1 stop7h 44m

$254

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sun 3/8

8:09 am-7:01 pm

1 stop13h 52m

Los Angeles

Wed 3/11

10:43 pm-7:24 am

1 stop29h 41m

$255

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sun 4/12

6:00 am-12:44 pm

1 stop9h 44m

Los Angeles

Tue 4/14

7:15 am-12:36 am

2 stops14h 21m

$256

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sat 2/28

5:05 am-9:40 am

1 stop7h 35m

Los Angeles

Sat 3/7

3:00 pm-12:25 am

1 stop6h 25m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sun 2/22

7:20 pm-7:15 am

1 stop14h 55m

Los Angeles

Sat 2/28

1:05 am-7:20 am

2 stops27h 15m

$258

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sat 4/11

5:35 am-12:44 pm

1 stop10h 09m

Los Angeles

Sat 4/18

1:51 pm-12:36 am

1 stop7h 45m

$259

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sat 2/21

10:29 am-9:20 pm

2 stops13h 51m

Los Angeles

Sat 2/28

10:45 pm-10:30 am

1 stop8h 45m

$260

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Fri 2/27

10:23 am-5:46 pm

1 stop10h 23m

Los Angeles

Sat 3/7

6:15 am-11:31 pm

2 stops38h 16m

$261

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 2/18

9:05 am-2:40 pm

1 stop8h 35m

Los Angeles

Tue 2/24

7:50 am-9:55 pm

2 stops11h 05m

$262

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 2/19

11:22 am-9:20 pm

2 stops12h 58m

Los Angeles

Sat 2/21

1:05 am-9:25 am

1 stop29h 20m

$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 Los Angeles from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Los Angeles

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 Los Angeles?

The month of July is, on average, the cheapest month to fly to Los Angeles from Washington, D.C. Dulles Intl Airport, with most prices found around $326. If you aren’t able to travel during the month of July, then book flights to Los Angeles from Washington, D.C. Dulles Intl Airport during February instead. Flights to Los Angeles in February, while not as cheap as those in July, still average around $327.

What is the cheapest day to depart on your flight to Los Angeles?

Our data shows that Wednesday is the least expensive day to fly to Los Angeles. Tickets to fly out on this day can be as low as $426. 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 Los Angeles on Sunday is $545.

What is the cheapest time of day to depart on your flight to Los Angeles?

Our most recent data shows that the best time of day to fly to Los Angeles is in the evening. Flights from Washington, D.C. Dulles Intl Airport to Los Angeles during this time can be as low as $380. At noon is when there is more demand to fly to Los Angeles, so prices are often more expensive at around $646 per ticket.

What is the cheapest Washington, D.C. Dulles Intl to Los Angeles flight route?

Fly from Washington, D.C. Dulles Intl to Los Angeles for the best Washington, D.C. Dulles Intl - Los Angeles flight prices

How far in advance should I book a flight to Los Angeles?

You are more likely to see cheaper flights to Los Angeles from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Los Angeles for around $372 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Los Angeles from Washington, D.C. Dulles Intl Airport for as low as $295 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Los Angeles flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of January 2026, prices for Washington, D.C. Dulles Intl Airport to Los Angeles flights are approximately 14% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Los Angeles according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Los Angeles (IAD to LAX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Los Angeles

Best Price Found

$194

Fastest flight time

5h 24m

Direct flights

Every day

Airports in Los Angeles

1 airport
The best one-way flight to Los Angeles from Washington, D.C. Dulles Intl Airport in the past 72 hours is $194. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Los Angeles found on momondo in the last 72 hours is $333.
The fastest flight from Washington, D.C. Dulles Intl Airport to Los Angeles takes 5h 24m
Direct flights go from Washington, D.C. Dulles Intl Airport to Los Angeles every day.
There is 1 airport in Los Angeles. From Washington, D.C. Dulles Intl Airport there are direct flights to Los Angeles (LAX).
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Los Angeles by plane?

    The straight-line distance from Washington, D.C. Dulles Intl to Los Angeles is 2274.0 mi. A reasonable flight in good conditions will take 5h 24m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Los Angeles Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Los Angeles Airport were last updated today.

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

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Los Angeles Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Los Angeles Airport.

  • What documentation or ID do you need to fly to Los Angeles Airport?

    The travel and health documents you'll need for your trip to Los Angeles Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Los Angeles Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Los Angeles with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $67Free CancellationRating
6.3
8,370 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $113Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $128Free CancellationRating
5.7
3,058 reviews
Search Frontier flights
DeltaPriceFrom $167Free CancellationRating
7.9
8,110 reviews
Search Delta flights
Alaska AirlinesPriceFrom $179Free CancellationRating
8.0
11,785 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $227Free CancellationRating
7.4
9,193 reviews
Search United Airlines flights
SouthwestPriceFrom $246Free CancellationRating
8.0
4,268 reviews
Search Southwest flights
American AirlinesPriceFrom $356Free CancellationRating
7.2
11,193 reviews
Search American Airlines flights

  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Los Angeles

    The lowest priced United Airlines flight from Washington, D.C. Dulles Intl Airport to Los Angeles from the last 72 hours was $227. Generally, United Airlines has 19 flights on this route every week with an average price of $379. United Airlines is rated 7.4/10 by our users.

Traveling to a place near Los Angeles?

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Los Angeles. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Los Angeles with flexible booking policies on momondo?

Flights from Washington, D.C. to Los Angeles with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Los Angeles?

Once all potential Washington, D.C. to Los Angeles flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Los Angeles right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Los Angeles flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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