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Cheap flights from Los Angeles to Washington, D.C. from $140

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 21/9. 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 Los Angeles to Washington, D.C. (LAX-WAS)

Cheap return flights

Frontier Logo
13:37 - 12:10LAX-DCA
19h 33m1 stop
Frontier Logo
07:00 - 00:25DCA-LAX
20h 25m1 stop
$326Frontier
Find Deal
Wed, 1 Oct - Wed, 8 Oct
Alaska Airlines Logo
12:47 - 20:59LAX-DCA
5h 12mdirect
Alaska Airlines Logo
08:59 - 11:28DCA-LAX
5h 29mdirect
$334Alaska Airlines
Find Deal
Sat, 30 Aug - Sun, 31 Aug
United Airlines Logo
23:30 - 07:21LAX-IAD
4h 51mdirect
United Airlines Logo
06:48 - 09:39IAD-LAX
5h 51mdirect
$370United Airlines
Find Deal
Mon, 24 Nov - Thu, 27 Nov
Alaska Airlines Logo
11:57 - 20:00LAX-DCA
5h 03mdirect
Alaska Airlines Logo
09:59 - 12:59DCA-LAX
6h 00mdirect
$380Alaska Airlines
Find Deal
Fri, 31 Oct - Mon, 3 Nov
Southwest Logo
05:45 - 17:05LAX-IAD
8h 20m1 stop
Southwest Logo
17:50 - 22:50IAD-LAX
8h 00m1 stop
$395Southwest
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Tue, 18 Nov - Mon, 24 Nov
Southwest Logo
09:45 - 22:50LAX-DCA
10h 05m2 stops
Southwest Logo
06:10 - 12:10DCA-LAX
9h 00m1 stop
$403Southwest
Find Deal
Tue, 28 Oct - Fri, 31 Oct
Southwest Logo
08:40 - 23:05LAX-IAD
11h 25m1 stop
Southwest Logo
05:40 - 09:45IAD-LAX
7h 05m1 stop
$403Southwest
Find Deal
Tue, 28 Oct - Fri, 31 Oct
JetBlue Logo
21:15 - 11:08LAX-DCA
10h 53m1 stop
JetBlue Logo
17:20 - 22:42DCA-LAX
8h 22m1 stop
$407JetBlue
Find Deal
Tue, 21 Oct - Fri, 24 Oct
United Airlines Logo
22:45 - 06:48LAX-IAD
5h 03mdirect
United Airlines Logo
07:00 - 09:26IAD-LAX
5h 26mdirect
$426United Airlines
Find Deal
Wed, 10 Sep - Sat, 13 Sep
JetBlue Logo
10:05 - 22:56LAX-DCA
9h 51m1 stop
JetBlue Logo
06:19 - 11:14DCA-LAX
7h 55m1 stop
$438JetBlue
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Mon, 8 Sep - Tue, 9 Sep

United Airlines flights from Los Angeles to Washington, D.C.

Our best United Airlines deals on Los Angeles to Washington, D.C. flight tickets
United Airlines
24 Nov
LAX23:30Los Angeles
4h 51m
IAD07:21Washington, D.C. Dulles Intl
27 Nov
IAD06:48Washington, D.C. Dulles Intl
5h 51m
LAX09:39Los Angeles
$370
Find similar
United Airlines
10 Sept
LAX22:45Los Angeles
5h 03m
IAD06:48Washington, D.C. Dulles Intl
13 Sept
IAD07:00Washington, D.C. Dulles Intl
5h 26m
LAX09:26Los Angeles
$426
Find similar
United Airlines
30 Aug
LAX23:00Los Angeles
5h 03m
IAD07:03Washington, D.C. Dulles Intl
3 Sept
IAD08:50Washington, D.C. Dulles Intl
5h 34m
LAX11:24Los Angeles
$449
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Southwest flights from Los Angeles to Washington, D.C.

Our best Southwest deals on Los Angeles to Washington, D.C. flight tickets
Southwest
18 Nov
LAX05:45Los Angeles
8h 20m
1 stop
IAD17:05Washington, D.C. Dulles Intl
24 Nov
IAD17:50Washington, D.C. Dulles Intl
8h 00m
1 stop
LAX22:50Los Angeles
$395
Find similar
Southwest
28 Oct
LAX08:30Los Angeles
11h 35m
2 stops
IAD23:05Washington, D.C. Dulles Intl
31 Oct
IAD16:50Washington, D.C. Dulles Intl
7h 25m
1 stop
LAX21:15Los Angeles
$403
Find similar
Southwest
30 Aug
LAX05:40Los Angeles
7h 40m
1 stop
IAD16:20Washington, D.C. Dulles Intl
8 Sept
IAD14:10Washington, D.C. Dulles Intl
6h 55m
1 stop
LAX18:05Los Angeles
$410
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Los Angeles to Washington, D.C. 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 78,305 searches. Data last updated 19 August 2025.
Use the filters below to find and compare flights from Los Angeles to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles

Wed 1/10

13:37-12:10

1 stop19h 33m

Washington, D.C. Reagan-National

Wed 8/10

07:00-00:25

1 stop20h 25m

$326

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles

Sat 30/8

12:47-20:59

Nonstop5h 12m

Washington, D.C. Reagan-National

Sun 31/8

08:59-11:28

Nonstop5h 29m

$334

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 24/11

23:30-07:21

Nonstop4h 51m

Washington, D.C. Dulles Intl

Thu 27/11

06:48-09:39

Nonstop5h 51m

$370

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles

Fri 31/10

11:57-20:00

Nonstop5h 03m

Washington, D.C. Reagan-National

Mon 3/11

09:59-12:59

Nonstop6h 00m

$380

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 18/11

05:45-17:05

1 stop8h 20m

Washington, D.C. Dulles Intl

Mon 24/11

17:50-22:50

1 stop8h 00m

$395

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles

Tue 28/10

09:45-22:50

2 stops10h 05m

Washington, D.C. Reagan-National

Fri 31/10

06:10-12:10

1 stop9h 00m

$403

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 28/10

08:40-23:05

1 stop11h 25m

Washington, D.C. Dulles Intl

Fri 31/10

05:40-09:45

1 stop7h 05m

$403

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles

Tue 21/10

21:15-11:08

1 stop10h 53m

Washington, D.C. Reagan-National

Fri 24/10

17:20-22:42

1 stop8h 22m

$407

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 10/9

22:45-06:48

Nonstop5h 03m

Washington, D.C. Dulles Intl

Sat 13/9

07:00-09:26

Nonstop5h 26m

$426

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles

Mon 8/9

10:05-22:56

1 stop9h 51m

Washington, D.C. Reagan-National

Tue 9/9

06:19-11:14

1 stop7h 55m

$438

Flights are sorted by cheapest return 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.

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 typical price of a round-trip flight between Los Angeles and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The cheapest month to fly to Washington, D.C. from Los Angeles is in February. Flight prices, which tend to average around $495, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in February, then you should wait until January to fly from Los Angeles, when ticket prices are also cheap, with an average price of $503.

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

Our data shows that Thursday is the least expensive day to fly to Washington, D.C.. Tickets to fly out on this day can be as low as $489. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. on Friday is $1,091.

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

Flying to Washington, D.C. from Los Angeles in the morning is the least expensive time of day to depart. momondo users have found prices as low as $533 when looking at flights departing in the morning. Flights to Washington, D.C. are more costly at midday, with an average ticket price of $809. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $597 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Los Angeles for as low as $490 on momondo.

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

There are 3 cabin classes available to choose from on Los Angeles to Washington, D.C. 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. flights?

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

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

As of August 2025, prices for Los Angeles to Washington, D.C. flights are approximately 31% cheaper when compared to flights at the same time last year.

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

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

Cheap Los Angeles to Washington, D.C. (LAX to WAS) flight deals and tips

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

Best price found

$140

Fastest flight time

4h 51m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from Los Angeles in the past 72 hours is $140. The best return flight deal from Los Angeles to Washington, D.C. found on momondo in the last 72 hours is $326.
The fastest flight from Los Angeles to Washington, D.C. takes 4h 51m
Direct flights go from Los Angeles to Washington, D.C. every day.
There are 2 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)
Search flight deals

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

    Los Angeles and Washington, D.C. are 3695.7 km apart from one another. 4h 51m is a normal flight duration for this route.

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

    Prices for flights from Los Angeles Airport to Washington, D.C. are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Los Angeles Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. 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 licence, and a passport valid for six-months after you plan to arrive at Washington, D.C.. 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.?

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

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

Book flights to Washington, D.C. if you plan to visit one of these locations
McLean
Linthicum Heights
Arlington

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Los Angeles to Washington, D.C. for you.

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

Yes. All flights to Washington, D.C. from Los Angeles on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Los Angeles. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Washington, D.C. from Los Angeles are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 36.1 km from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport