Cheap flights from Los Angeles to Washington, D.C. from $86

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 9/5. 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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Cheap round-trip flights

Frontier Logo
6:15 pm - 9:17 amLAX-IAD
12h 02m1 stop
Frontier Logo
10:17 am - 5:20 pmIAD-LAX
10h 03m1 stop
$168Frontier
Find Deal
Thu, Sep 18 - Mon, Sep 22
Frontier Logo
6:15 pm - 9:17 amLAX-IAD
12h 02m1 stop
Frontier Logo
1:55 pm - 9:45 pmIAD-LAX
10h 50m1 stop
$169Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
Frontier Logo
1:16 pm - 11:55 pmLAX-IAD
7h 39m1 stop
Frontier Logo
10:17 am - 5:20 pmIAD-LAX
10h 03m1 stop
$170Frontier
Find Deal
Sat, Sep 6 - Fri, Sep 12
Frontier Logo
1:16 pm - 12:15 amLAX-IAD
7h 59m1 stop
Frontier Logo
6:10 am - 12:21 pmIAD-LAX
9h 11m1 stop
$171Frontier
Find Deal
Fri, Sep 5 - Fri, Sep 12
Frontier Logo
1:16 pm - 12:15 amLAX-IAD
7h 59m1 stop
Frontier Logo
6:10 am - 12:13 pmIAD-LAX
9h 03m1 stop
$172Frontier
Find Deal
Fri, Sep 12 - Sun, Sep 14
Frontier Logo
7:00 pm - 11:59 amLAX-IAD
13h 59m1 stop
Frontier Logo
8:02 pm - 8:28 amIAD-LAX
15h 26m1 stop
$175Frontier
Find Deal
Fri, Oct 17 - Sun, Oct 19
 Logo
5:30 am - 12:15 amLAX-IAD
15h 45m2 stops
 Logo
1:55 pm - 10:44 pmIAD-LAX
11h 49m1 stop
Thu, Sep 18 - Mon, Sep 22
 Logo
12:45 am - 12:02 pmLAX-IAD
8h 17m1 stop
 Logo
7:09 pm - 8:12 amIAD-LAX
16h 03m1 stop
Fri, Sep 19 - Sun, Sep 21
United Airlines Logo
4:29 pm - 12:30 amLAX-IAD
5h 01mnonstop
United Airlines Logo
8:00 pm - 10:30 pmIAD-LAX
5h 30mnonstop
$217United Airlines
Find Deal
Thu, Sep 4 - Sat, Sep 6
Southwest Logo
6:50 am - 5:15 pmLAX-IAD
7h 25m1 stop
Southwest Logo
4:30 pm - 11:10 pmIAD-LAX
9h 40m1 stop
$237Southwest
Find Deal
Wed, Sep 3 - Fri, Sep 5

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 18
LAX6:15 pmLos Angeles
12h 02m
1 stop
IAD9:17 amWashington, D.C. Dulles Intl
Sep 22
IAD10:17 amWashington, D.C. Dulles Intl
10h 03m
1 stop
LAX5:20 pmLos Angeles
Frontier
Oct 2
LAX6:15 pmLos Angeles
12h 02m
1 stop
IAD9:17 amWashington, D.C. Dulles Intl
Oct 5
IAD1:55 pmWashington, D.C. Dulles Intl
10h 50m
1 stop
LAX9:45 pmLos Angeles
Frontier
Sep 6
LAX1:16 pmLos Angeles
7h 39m
1 stop
IAD11:55 pmWashington, D.C. Dulles Intl
Sep 12
IAD10:17 amWashington, D.C. Dulles Intl
10h 03m
1 stop
LAX5:20 pmLos Angeles

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

Our best United Airlines deals on Los Angeles to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Sep 4
LAX4:29 pmLos Angeles
5h 01m
IAD12:30 amWashington, D.C. Dulles Intl
Sep 6
IAD8:00 pmWashington, D.C. Dulles Intl
5h 30m
LAX10:30 pmLos Angeles
United Airlines
Sep 3
LAX11:16 pmLos Angeles
5h 03m
IAD7:19 amWashington, D.C. Dulles Intl
Sep 14
IAD8:50 amWashington, D.C. Dulles Intl
5h 34m
LAX11:24 amLos Angeles
United Airlines
Sep 4
LAX4:29 pmLos Angeles
5h 01m
IAD12:30 amWashington, D.C. Dulles Intl
Sep 7
IAD7:00 amWashington, D.C. Dulles Intl
5h 26m
LAX9:26 amLos Angeles

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 August 25, 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

Thu 9/18

6:15 pm-9:17 am

1 stop12h 02m

Washington, D.C. Dulles Intl

Mon 9/22

10:17 am-5:20 pm

1 stop10h 03m

$168

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 10/2

6:15 pm-9:17 am

1 stop12h 02m

Washington, D.C. Dulles Intl

Sun 10/5

1:55 pm-9:45 pm

1 stop10h 50m

$169

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 9/6

1:16 pm-11:55 pm

1 stop7h 39m

Washington, D.C. Dulles Intl

Fri 9/12

10:17 am-5:20 pm

1 stop10h 03m

$170

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 9/5

1:16 pm-12:15 am

1 stop7h 59m

Washington, D.C. Dulles Intl

Fri 9/12

6:10 am-12:21 pm

1 stop9h 11m

$171

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 9/12

1:16 pm-12:15 am

1 stop7h 59m

Washington, D.C. Dulles Intl

Sun 9/14

6:10 am-12:13 pm

1 stop9h 03m

$172

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

Sun 10/19

8:02 pm-8:28 am

1 stop15h 26m

$175

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 9/18

5:30 am-12:15 am

2 stops15h 45m

Washington, D.C. Dulles Intl

Mon 9/22

1:55 pm-10:44 pm

1 stop11h 49m

$208

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 9/19

12:45 am-12:02 pm

1 stop8h 17m

Washington, D.C. Dulles Intl

Sun 9/21

7:09 pm-8:12 am

1 stop16h 03m

$214

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 9/4

4:29 pm-12:30 am

Nonstop5h 01m

Washington, D.C. Dulles Intl

Sat 9/6

8:00 pm-10:30 pm

Nonstop5h 30m

$217

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 9/3

6:50 am-5:15 pm

1 stop7h 25m

Washington, D.C. Dulles Intl

Fri 9/5

4:30 pm-11:10 pm

1 stop9h 40m

$237

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 $419. 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 $570.

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 $379 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 $519 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 $388 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 $319 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 August 2025, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 0% 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

$213

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 $213. 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 $375.
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.
  • 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 5h 01m 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 $98Free CancellationRating
6.3
8,028 reviews
Search Spirit Airlines flights
FrontierPriceFrom $127Free CancellationRating
5.8
3,201 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,679 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $138Free CancellationRating
7.9
7,980 reviews
Search Delta flights
Alaska AirlinesPriceFrom $213Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $227Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
SouthwestPriceFrom $246Free CancellationRating
8.0
4,243 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 32 flights on this route every week with an average price of $406. 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
Arlington
National Harbor
Winchester
Woodbridge
Waldorf
Tysons
Silver Spring
Laurel
Colonial Beach
Fredericksburg
Harpers Ferry
Manassas
Towson
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie

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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1 adult
Sat 8/30
Sat 9/6

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