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Cheap flights from Washington, D.C. Dulles Intl Airport to Los Angeles from $121

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 12/17. 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
5:45 am - 1:11 pmIAD-LAX
10h 26m1 stop
Multiple Airlines Logo
6:21 pm - 2:29 pmLAX-IAD
17h 08m2 stops
$232Multiple Airlines
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Sun, Dec 7 - Mon, Dec 8
Frontier Logo
6:00 am - 7:21 pmIAD-LAX
16h 21m2 stops
Frontier Logo
10:45 pm - 11:07 amLAX-IAD
9h 22m1 stop
$233Frontier
Find Deal
Sat, Jan 10 - Fri, Jan 16
Multiple Airlines Logo
9:00 am - 1:11 pmIAD-LAX
31h 11m1 stop
Multiple Airlines Logo
8:51 pm - 8:26 amLAX-IAD
32h 35m2 stops
$234Multiple Airlines
Find Deal
Wed, Dec 3 - Fri, Dec 5
Multiple Airlines Logo
7:06 pm - 12:48 pmIAD-LAX
20h 42m2 stops
Multiple Airlines Logo
8:34 am - 8:04 pmLAX-IAD
8h 30m1 stop
$235Multiple Airlines
Find Deal
Mon, Jan 5 - Thu, Jan 15
Southwest Logo
5:40 pm - 10:40 pmIAD-LAX
8h 00m1 stop
Southwest Logo
5:40 am - 2:55 pmLAX-IAD
6h 15m1 stop
$236Southwest
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Sun, Jan 11 - Sat, Jan 17
Delta Logo
6:00 am - 11:05 amIAD-LAX
8h 05m1 stop
Delta Logo
11:40 am - 11:27 pmLAX-IAD
8h 47m1 stop
$237Delta
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Thu, Dec 11 - Wed, Dec 17
Frontier Logo
6:05 am - 2:03 pmIAD-LAX
10h 58m1 stop
Frontier Logo
10:45 pm - 11:43 amLAX-IAD
9h 58m1 stop
$238Frontier
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Wed, Dec 31 - Tue, Jan 13
Frontier Logo
6:00 am - 2:07 pmIAD-LAX
11h 07m1 stop
Frontier Logo
1:59 pm - 11:43 amLAX-IAD
18h 44m1 stop
$239Frontier
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Thu, Jan 8 - Mon, Jan 12
United Airlines Logo
6:00 pm - 8:38 pmIAD-LAX
5h 38mnonstop
United Airlines Logo
6:55 am - 2:50 pmLAX-IAD
4h 55mnonstop
$240United Airlines
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Tue, Dec 9 - Sun, Dec 14
Southwest Logo
4:40 pm - 9:50 pmIAD-LAX
8h 10m1 stop
Southwest Logo
8:50 am - 10:40 pmLAX-IAD
10h 50m1 stop
$241Southwest
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Fri, Jan 16 - Mon, Jan 19

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
Jan 10
IAD6:00 amWashington, D.C. Dulles Intl
16h 21m
2 stops
LAX7:21 pmLos Angeles
Jan 16
LAX10:45 pmLos Angeles
9h 22m
1 stop
IAD11:07 amWashington, D.C. Dulles Intl
$233
Find similar
Frontier
Dec 31
IAD6:05 amWashington, D.C. Dulles Intl
10h 58m
1 stop
LAX2:03 pmLos Angeles
Jan 13
LAX10:45 pmLos Angeles
9h 58m
1 stop
IAD11:43 amWashington, D.C. Dulles Intl
$238
Find similar
Frontier
Jan 8
IAD6:00 amWashington, D.C. Dulles Intl
11h 07m
1 stop
LAX2:07 pmLos Angeles
Jan 12
LAX1:59 pmLos Angeles
18h 44m
1 stop
IAD11:43 amWashington, D.C. Dulles Intl
$239
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United Airlines flights from Washington, D.C. Dulles Intl Airport to Los Angeles

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Los Angeles flight tickets
United Airlines
Dec 11
IAD12:41 pmWashington, D.C. Dulles Intl
5h 52m
LAX3:33 pmLos Angeles
Jan 20
LAX9:30 pmLos Angeles
4h 54m
IAD5:24 amWashington, D.C. Dulles Intl
$237
Find similar
United Airlines
Dec 9
IAD6:00 pmWashington, D.C. Dulles Intl
5h 38m
LAX8:38 pmLos Angeles
Dec 14
LAX6:55 amLos Angeles
4h 55m
IAD2:50 pmWashington, D.C. Dulles Intl
$240
Find similar
United Airlines
Dec 4
IAD6:00 pmWashington, D.C. Dulles Intl
5h 38m
LAX8:38 pmLos Angeles
Dec 8
LAX1:30 pmLos Angeles
4h 52m
IAD9:22 pmWashington, D.C. Dulles Intl
$243
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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 November 20, 2025.
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

Sun 12/7

5:45 am-1:11 pm

1 stop10h 26m

Los Angeles

Mon 12/8

6:21 pm-2:29 pm

2 stops17h 08m

$232

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sat 1/10

6:00 am-7:21 pm

2 stops16h 21m

Los Angeles

Fri 1/16

10:45 pm-11:07 am

1 stop9h 22m

$233

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 12/3

9:00 am-1:11 pm

1 stop31h 11m

Los Angeles

Fri 12/5

8:51 pm-8:26 am

2 stops32h 35m

$234

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Mon 1/5

7:06 pm-12:48 pm

2 stops20h 42m

Los Angeles

Thu 1/15

8:34 am-8:04 pm

1 stop8h 30m

$235

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sun 1/11

5:40 pm-10:40 pm

1 stop8h 00m

Los Angeles

Sat 1/17

5:40 am-2:55 pm

1 stop6h 15m

$236

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 12/11

6:00 am-11:05 am

1 stop8h 05m

Los Angeles

Wed 12/17

11:40 am-11:27 pm

1 stop8h 47m

$237

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 12/31

6:05 am-2:03 pm

1 stop10h 58m

Los Angeles

Tue 1/13

10:45 pm-11:43 am

1 stop9h 58m

$238

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 1/8

6:00 am-2:07 pm

1 stop11h 07m

Los Angeles

Mon 1/12

1:59 pm-11:43 am

1 stop18h 44m

$239

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 12/9

6:00 pm-8:38 pm

Nonstop5h 38m

Los Angeles

Sun 12/14

6:55 am-2:50 pm

Nonstop4h 55m

$240

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Fri 1/16

4:40 pm-9:50 pm

1 stop8h 10m

Los Angeles

Mon 1/19

8:50 am-10:40 pm

1 stop10h 50m

$241

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 $325. 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 January instead. Flights to Los Angeles in January, 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 $446. 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 $575.

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 $387. In the afternoon is when there is more demand to fly to Los Angeles, so prices are often more expensive at around $732 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 $374 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 $284 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.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Los Angeles flights?

You could potentially save up to 7% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Los Angeles flight.

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

As of November 2025, prices for Washington, D.C. Dulles Intl Airport to Los Angeles flights are approximately 7% 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

$195

Fastest flight time

5h 38m

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 $195. 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 $304.
The fastest flight from Washington, D.C. Dulles Intl Airport to Los Angeles takes 5h 38m
Direct flights go from Washington, D.C. Dulles Intl Airport to Los Angeles every day.
There is 1 airport near Los Angeles: 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 38m.

  • 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 $98Free CancellationRating
6.3
8,156 reviews
Search Spirit Airlines flights
FrontierPriceFrom $136Free CancellationRating
5.8
3,105 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,811 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $209Free CancellationRating
8.0
11,321 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $227Free CancellationRating
7.4
9,027 reviews
Search United Airlines flights
SouthwestPriceFrom $246Free CancellationRating
8.0
4,249 reviews
Search Southwest flights
DeltaPriceFrom $258Free CancellationRating
7.9
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $356Free CancellationRating
7.2
11,045 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 25 flights on this route every week with an average price of $383. United Airlines is rated 7.4/10 by our users.

Traveling to a place near Los Angeles?

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Beverly Hills

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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