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Cheap flights from Los Angeles to Washington, D.C. from $104

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 10/23. 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.

Cheap round-trip flights

Logo
10:23 pm - 7:55 pmLAX-IAD
18h 32m1 stop
Logo
6:15 am - 9:40 amIAD-LAX
30h 25m1 stop
$180
Find Deal
Tue, Sep 30 - Mon, Oct 27
Frontier Logo
1:08 pm - 11:55 pmLAX-IAD
7h 47m1 stop
Frontier Logo
4:22 pm - 9:44 pmIAD-LAX
8h 22m1 stop
$181Frontier
Find Deal
Sat, Sep 27 - Sat, Oct 25
Frontier Logo
2:27 pm - 7:07 pmLAX-IAD
25h 40m1 stop
Frontier Logo
8:02 pm - 8:28 amIAD-LAX
15h 26m1 stop
$182Frontier
Find Deal
Wed, Oct 15 - Sun, Oct 19
Frontier Logo
6:15 pm - 9:17 amLAX-IAD
12h 02m1 stop
Frontier Logo
10:17 am - 5:20 pmIAD-LAX
10h 03m1 stop
$183Frontier
Find Deal
Thu, Sep 25 - Fri, Oct 3
Frontier Logo
2:27 pm - 8:43 pmLAX-IAD
27h 16m1 stop
Frontier Logo
8:02 pm - 8:28 amIAD-LAX
15h 26m1 stop
$184Frontier
Find Deal
Thu, Oct 16 - Sun, Oct 19
Frontier Logo
7:00 pm - 11:59 amLAX-IAD
13h 59m1 stop
Frontier Logo
9:28 pm - 8:28 amIAD-LAX
14h 00m1 stop
$185Frontier
Find Deal
Fri, Oct 17 - Mon, Oct 20
Frontier Logo
2:21 pm - 6:24 pmLAX-IAD
25h 03m1 stop
Frontier Logo
1:55 pm - 9:45 pmIAD-LAX
10h 50m1 stop
$186Frontier
Find Deal
Fri, Sep 26 - Mon, Sep 29
Logo
2:27 pm - 7:07 pmLAX-IAD
25h 40m1 stop
Logo
9:00 am - 9:40 amIAD-LAX
27h 40m1 stop
$187
Find Deal
Wed, Oct 8 - Tue, Oct 14
Frontier Logo
10:45 pm - 7:55 pmLAX-IAD
18h 10m1 stop
Frontier Logo
4:22 pm - 9:44 pmIAD-LAX
8h 22m1 stop
$188Frontier
Find Deal
Mon, Sep 29 - Sat, Oct 25
Logo
10:45 pm - 4:34 pmLAX-IAD
14h 49m1 stop
Logo
8:40 am - 9:11 amIAD-LAX
27h 31m1 stop
$189
Find Deal
Sat, Nov 8 - Tue, Nov 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
Sep 27
LAX1:08 pmLos Angeles
7h 47m
1 stop
IAD11:55 pmWashington, D.C. Dulles Intl
Oct 25
IAD4:22 pmWashington, D.C. Dulles Intl
8h 22m
1 stop
LAX9:44 pmLos Angeles
$181
Find similar
Frontier
Oct 15
LAX2:27 pmLos Angeles
25h 40m
1 stop
IAD7:07 pmWashington, D.C. Dulles Intl
Oct 19
IAD8:02 pmWashington, D.C. Dulles Intl
15h 26m
1 stop
LAX8:28 amLos Angeles
$182
Find similar
Frontier
Sep 25
LAX6:15 pmLos Angeles
12h 02m
1 stop
IAD9:17 amWashington, D.C. Dulles Intl
Oct 3
IAD10:17 amWashington, D.C. Dulles Intl
10h 03m
1 stop
LAX5:20 pmLos Angeles
$183
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 September 15, 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

Tue 9/30

10:23 pm-7:55 pm

1 stop18h 32m

Washington, D.C. Dulles Intl

Mon 10/27

6:15 am-9:40 am

1 stop30h 25m

$180

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 9/27

1:08 pm-11:55 pm

1 stop7h 47m

Washington, D.C. Dulles Intl

Sat 10/25

4:22 pm-9:44 pm

1 stop8h 22m

$181

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 10/15

2:27 pm-7:07 pm

1 stop25h 40m

Washington, D.C. Dulles Intl

Sun 10/19

8:02 pm-8:28 am

1 stop15h 26m

$182

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 9/25

6:15 pm-9:17 am

1 stop12h 02m

Washington, D.C. Dulles Intl

Fri 10/3

10:17 am-5:20 pm

1 stop10h 03m

$183

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 10/16

2:27 pm-8:43 pm

1 stop27h 16m

Washington, D.C. Dulles Intl

Sun 10/19

8:02 pm-8:28 am

1 stop15h 26m

$184

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 10/17

7:00 pm-11:59 am

1 stop13h 59m

Washington, D.C. Dulles Intl

Mon 10/20

9:28 pm-8:28 am

1 stop14h 00m

$185

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 9/26

2:21 pm-6:24 pm

1 stop25h 03m

Washington, D.C. Dulles Intl

Mon 9/29

1:55 pm-9:45 pm

1 stop10h 50m

$186

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 10/8

2:27 pm-7:07 pm

1 stop25h 40m

Washington, D.C. Dulles Intl

Tue 10/14

9:00 am-9:40 am

1 stop27h 40m

$187

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 9/29

10:45 pm-7:55 pm

1 stop18h 10m

Washington, D.C. Dulles Intl

Sat 10/25

4:22 pm-9:44 pm

1 stop8h 22m

$188

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 11/8

10:45 pm-4:34 pm

1 stop14h 49m

Washington, D.C. Dulles Intl

Tue 11/11

8:40 am-9:11 am

1 stop27h 31m

$189

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 $337.

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 $424. 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 $576.

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 $381 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 $521 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 $392 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 $328 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 September 2025, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 55% 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

$188

Fastest flight time

4h 41m

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 $188. 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 $359.
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 41m
Direct flights go from Los Angeles to Washington, D.C. Dulles Intl Airport every day.
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  • 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 7h 32m 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 $97Free CancellationRating
6.3
8,015 reviews
Search Spirit Airlines flights
FrontierPriceFrom $118Free CancellationRating
5.8
3,172 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $138Free CancellationRating
7.9
7,954 reviews
Search Delta flights
Alaska AirlinesPriceFrom $221Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $227Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
SouthwestPriceFrom $246Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $356Free CancellationRating
7.2
10,000 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 33 flights on this route every week with an average price of $412. 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
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg

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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