Cheap flights from Los Angeles to Washington, D.C. from $144

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 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Frontier Logo
8:57 pm - 9:59 pm
LAX
-
DCA
22h 02m
1 stop
Frontier Logo
7:00 am - 9:51 pm
DCA
-
LAX
17h 51m
2 stops
$267Frontier
Tue, Mar 31 - Mon, Apr 6
Frontier Logo
10:36 pm - 9:59 pm
LAX
-
DCA
20h 23m
2 stops
Frontier Logo
8:00 am - 3:20 pm
DCA
-
LAX
10h 20m
1 stop
$268Frontier
Mon, Apr 13 - Wed, Apr 22
Frontier Logo
6:15 am - 9:59 pm
LAX
-
DCA
12h 44m
1 stop
Frontier Logo
8:00 am - 3:20 pm
DCA
-
LAX
10h 20m
1 stop
$269Frontier
Thu, Apr 9 - Wed, Apr 15
Frontier Logo
6:15 am - 9:59 pm
LAX
-
DCA
12h 44m
1 stop
Frontier Logo
1:59 pm - 12:16 am
DCA
-
LAX
13h 17m
1 stop
$270Frontier
Fri, May 1 - Mon, May 11
Frontier Logo
6:15 am - 9:59 pm
LAX
-
DCA
12h 44m
1 stop
Frontier Logo
6:00 pm - 11:14 pm
DCA
-
LAX
8h 14m
1 stop
$271Frontier
Thu, Apr 9 - Wed, Apr 15
Frontier Logo
8:58 pm - 1:00 pm
LAX
-
DCA
13h 02m
1 stop
Frontier Logo
6:00 pm - 12:11 am
DCA
-
LAX
9h 11m
1 stop
$272Frontier
Mon, Apr 13 - Thu, Apr 16
Multiple Airlines Logo
4:07 pm - 12:02 pm
LAX
-
DCA
16h 55m
2 stops
Multiple Airlines Logo
6:00 pm - 12:11 am
DCA
-
LAX
9h 11m
1 stop
$273Multiple Airlines
Wed, Apr 1 - Mon, Apr 27
Frontier Logo
6:15 am - 9:59 pm
LAX
-
DCA
12h 44m
1 stop
Frontier Logo
6:00 pm - 12:11 am
DCA
-
LAX
9h 11m
1 stop
$274Frontier
Tue, Mar 31 - Mon, Apr 20
Multiple Airlines Logo
11:52 am - 8:00 pm
LAX
-
DCA
5h 08mnonstop
Multiple Airlines Logo
8:00 am - 3:20 pm
DCA
-
LAX
10h 20m
1 stop
$275Multiple Airlines
Wed, Apr 22 - Wed, Apr 29
Multiple Airlines Logo
11:52 am - 8:00 pm
LAX
-
DCA
5h 08mnonstop
Multiple Airlines Logo
6:00 pm - 12:16 am
DCA
-
LAX
9h 16m
1 stop
$276Multiple Airlines
Tue, May 5 - Tue, May 12

Frontier flights from Los Angeles to Washington, D.C. Reagan-National Airport

Our best Frontier deals on Los Angeles to Washington, D.C. Reagan-National Airport flight tickets
Frontier
Mar 31
LAX8:57 pmLos Angeles Los Angeles
22h 02m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Apr 6
DCA7:00 amWashington, D.C. Reagan-National
17h 51m
2 stops
LAX9:51 pmLos Angeles Los Angeles
$267
Frontier
Apr 13
LAX10:36 pmLos Angeles Los Angeles
20h 23m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
Apr 22
DCA8:00 amWashington, D.C. Reagan-National
10h 20m
1 stop
LAX3:20 pmLos Angeles Los Angeles
$268
Frontier
Apr 9
LAX6:15 amLos Angeles Los Angeles
12h 44m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Apr 15
DCA8:00 amWashington, D.C. Reagan-National
10h 20m
1 stop
LAX3:20 pmLos Angeles Los Angeles
$269

Southwest flights from Los Angeles to Washington, D.C. Reagan-National Airport

Our best Southwest deals on Los Angeles to Washington, D.C. Reagan-National Airport flight tickets
Southwest
May 6
LAX12:25 pmLos Angeles Los Angeles
7h 35m
1 stop
DCA11:00 pmWashington, D.C. Reagan-National
May 13
DCA6:10 amWashington, D.C. Reagan-National
11h 40m
2 stops
LAX2:50 pmLos Angeles Los Angeles
$302
Southwest
May 6
LAX7:30 amLos Angeles Los Angeles
10h 15m
2 stops
DCA8:45 pmWashington, D.C. Reagan-National
May 13
DCA6:10 amWashington, D.C. Reagan-National
11h 40m
2 stops
LAX2:50 pmLos Angeles Los Angeles
$307
Southwest
Jun 3
LAX9:35 amLos Angeles Los Angeles
8h 10m
2 stops
DCA8:45 pmWashington, D.C. Reagan-National
Jun 7
DCA6:40 pmWashington, D.C. Reagan-National
9h 00m
1 stop
LAX12:40 amLos Angeles Los Angeles
$308

momondo Fare Finder

 
Customize your flight search to find flights from Los Angeles to Washington, D.C. Reagan-National 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 March 19, 2026.
Use the filters below to find and compare flights from Los Angeles to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles Los Angeles

Tue 3/31

8:57 pm-9:59 pm

1 stop22h 02m

Washington, D.C. Reagan-National

Mon 4/6

7:00 am-9:51 pm

2 stops17h 51m

$267

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles Los Angeles

Mon 4/13

10:36 pm-9:59 pm

2 stops20h 23m

Washington, D.C. Reagan-National

Wed 4/22

8:00 am-3:20 pm

1 stop10h 20m

$268

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles Los Angeles

Thu 4/9

6:15 am-9:59 pm

1 stop12h 44m

Washington, D.C. Reagan-National

Wed 4/15

8:00 am-3:20 pm

1 stop10h 20m

$269

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles Los Angeles

Fri 5/1

6:15 am-9:59 pm

1 stop12h 44m

Washington, D.C. Reagan-National

Mon 5/11

1:59 pm-12:16 am

1 stop13h 17m

$270

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles Los Angeles

Thu 4/9

6:15 am-9:59 pm

1 stop12h 44m

Washington, D.C. Reagan-National

Wed 4/15

6:00 pm-11:14 pm

1 stop8h 14m

$271

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles Los Angeles

Mon 4/13

8:58 pm-1:00 pm

1 stop13h 02m

Washington, D.C. Reagan-National

Thu 4/16

6:00 pm-12:11 am

1 stop9h 11m

$272

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles Los Angeles

Wed 4/1

4:07 pm-12:02 pm

2 stops16h 55m

Washington, D.C. Reagan-National

Mon 4/27

6:00 pm-12:11 am

1 stop9h 11m

$273

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles Los Angeles

Tue 3/31

6:15 am-9:59 pm

1 stop12h 44m

Washington, D.C. Reagan-National

Mon 4/20

6:00 pm-12:11 am

1 stop9h 11m

$274

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles Los Angeles

Wed 4/22

11:52 am-8:00 pm

Nonstop5h 08m

Washington, D.C. Reagan-National

Wed 4/29

8:00 am-3:20 pm

1 stop10h 20m

$275
Quickest round-trip

Los AngelesWashington, D.C.

LAX - DCA

LAXDCA

Los Angeles Los Angeles

Tue 5/5

11:52 am-8:00 pm

Nonstop5h 08m

Washington, D.C. Reagan-National

Tue 5/12

6:00 pm-12:16 am

1 stop9h 16m

$276

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. Reagan-National 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. Reagan-National Airport?

The month of May is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Los Angeles, with most prices found around $366. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of May, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $373.

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

The cheapest day to depart from Los Angeles to Washington, D.C. Reagan-National Airport is on a Wednesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Wednesday will often find tickets for as low as $414. Flights from Los Angeles to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $560. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest Los Angeles to Washington, D.C. Reagan-National Airport flights are usually those with departure times at noon. Our users have found flights to Washington, D.C. Reagan-National Airport at noon for as low as $402. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the morning when prices are around $464.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $418 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Los Angeles for as low as $227 on momondo.

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

There are 4 cabin classes available to choose from on Los Angeles Los Angeles to Washington, D.C. Reagan-National 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. Reagan-National Airport flights?

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

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

As of March 2026, prices for Los Angeles to Washington, D.C. Reagan-National Airport flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Los Angeles to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Los Angeles to Washington, D.C. Reagan-National 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. Reagan-National Airport (LAX to DCA) flight deals and tips

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

Best Price Found

$248

Fastest flight time

4h 40m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun
The best one-way flight to Washington, D.C. Reagan-National Airport from Los Angeles in the past 72 hours is $248. The best round-trip flight deal from Los Angeles to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $414.
The fastest flight from Los Angeles to Washington, D.C. Reagan-National Airport takes 4h 40m
Direct flights go from Los Angeles to Washington, D.C. Reagan-National Airport on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is American Airlines.
  • How far is Los Angeles Los Angeles to Washington, D.C. Reagan-National by plane?

    The straight-line distance from Los Angeles Los Angeles to Washington, D.C. Reagan-National is 2296.6 mi. In terms of flight time, this usually takes a little over 4h 40m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Los Angeles Los Angeles Airport to Washington, D.C. Reagan-National Airport.

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

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Los Angeles to Washington, D.C. Reagan-National Airport?

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

Best airlines flying from Los Angeles to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Los Angeles to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $70Free CancellationRating
6.3
8,530 reviews
Search Spirit Airlines flights
FrontierPriceFrom $113Free CancellationRating
5.7
3,024 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $113Free CancellationRating
7.8
2,841 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $177Free CancellationRating
7.9
8,298 reviews
Search Delta flights
United AirlinesPriceFrom $232Free CancellationRating
7.4
9,443 reviews
Search United Airlines flights
SouthwestPriceFrom $235Free CancellationRating
8.0
4,320 reviews
Search Southwest flights
JetBluePriceFrom $244Free CancellationRating
7.2
2,909 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $256Free CancellationRating
7.9
12,074 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $277Free CancellationRating
7.1
11,476 reviews
Search American Airlines flights
  • Southwest Flights From Los Angeles to Washington, D.C. Reagan-National Airport

    Southwest operates around 5 flights from Los Angeles to Washington, D.C. Reagan-National Airport every week. The average price of these flights found in the last 72 hours has been $322, but momondo users have found Southwest deals from Los Angeles to Washington, D.C. Reagan-National Airport from as low as $235 round-trip. Southwest has been scored 8.0/10 in 4,320 reviews.

  • Delta Flights From Los Angeles to Washington, D.C. Reagan-National Airport

    $177 is the best Delta flight deal from Los Angeles to Washington, D.C. Reagan-National Airport found on momondo over the last 72 hours. The average Delta ticket price found was closer to $457, however, with flight time and availability significantly affecting the price. Delta (7.9/10 from 8,298 user reviews) flies into Washington, D.C. Reagan-National Airport from Los Angeles 7 times in an average week so prices can vary.

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
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Gaithersburg
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Linthicum Heights
Bethesda
Fairfax
Reston

Why use momondo?

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

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

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?

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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1 adult
Sat 4/18
Sat 4/25

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