Cheap flights from Los Angeles to Washington, D.C. from C$ 194

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 8/2. 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

Enter your travel dates to find the best prices.
Southwest Logo
8:45 a.m. - 9:55 p.m.LAX-IAD
10h 10m2 stops
Southwest Logo
9:05 a.m. - 5:05 p.m.IAD-LAX
11h 00m2 stops
C$ 351Southwest
Find Deal
Wed, 18 Feb - Wed, 25 Feb
Southwest Logo
8:45 a.m. - 9:55 p.m.LAX-IAD
10h 10m2 stops
Southwest Logo
7:00 a.m. - 2:00 p.m.IAD-LAX
10h 00m1 stop
C$ 358Southwest
Find Deal
Thu, 8 Jan - Sat, 10 Jan
United Airlines Logo
9:30 p.m. - 5:24 a.m.LAX-IAD
4h 54mdirect
United Airlines Logo
7:13 p.m. - 10:15 p.m.IAD-LAX
6h 02mdirect
C$ 359United Airlines
Find Deal
Thu, 15 Jan - Sun, 15 Feb
Southwest Logo
5:45 a.m. - 4:50 p.m.LAX-IAD
8h 05m1 stop
Southwest Logo
5:40 p.m. - 10:40 p.m.IAD-LAX
8h 00m1 stop
C$ 362Southwest
Find Deal
Wed, 14 Jan - Thu, 15 Jan
Southwest Logo
8:45 a.m. - 9:55 p.m.LAX-IAD
10h 10m2 stops
Southwest Logo
4:40 p.m. - 9:50 p.m.IAD-LAX
8h 10m1 stop
C$ 366Southwest
Find Deal
Thu, 29 Jan - Sun, 1 Feb
Southwest Logo
5:00 a.m. - 5:00 p.m.LAX-IAD
9h 00m1 stop
Southwest Logo
3:45 p.m. - 8:50 p.m.IAD-LAX
8h 05m1 stop
C$ 368Southwest
Find Deal
Sun, 11 Jan - Sat, 17 Jan
Southwest Logo
12:30 p.m. - 9:55 p.m.LAX-IAD
6h 25m1 stop
Southwest Logo
5:30 p.m. - 10:00 p.m.IAD-LAX
7h 30m1 stop
C$ 369Southwest
Find Deal
Fri, 30 Jan - Mon, 2 Feb
Southwest Logo
5:45 a.m. - 4:50 p.m.LAX-IAD
8h 05m1 stop
Southwest Logo
4:40 p.m. - 9:50 p.m.IAD-LAX
8h 10m1 stop
C$ 372Southwest
Find Deal
Fri, 23 Jan - Sun, 25 Jan
Southwest Logo
8:55 a.m. - 10:10 p.m.LAX-IAD
10h 15m2 stops
Southwest Logo
5:10 a.m. - 11:25 a.m.IAD-LAX
9h 15m2 stops
C$ 373Southwest
Find Deal
Sat, 7 Feb - Thu, 12 Feb
Southwest Logo
5:45 a.m. - 4:50 p.m.LAX-IAD
8h 05m1 stop
Southwest Logo
9:05 a.m. - 5:05 p.m.IAD-LAX
11h 00m2 stops
C$ 375Southwest
Find Deal
Tue, 6 Jan - Wed, 14 Jan

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

Our best Southwest deals on Los Angeles to Washington, D.C. Dulles Intl Airport flight tickets
Southwest
18 Feb
LAX8:45 a.m.Los Angeles
10h 10m
2 stops
IAD9:55 p.m.Washington, D.C. Dulles Intl
25 Feb
IAD9:05 a.m.Washington, D.C. Dulles Intl
11h 00m
2 stops
LAX5:05 p.m.Los Angeles
Southwest
8 Jan
LAX8:45 a.m.Los Angeles
10h 10m
2 stops
IAD9:55 p.m.Washington, D.C. Dulles Intl
10 Jan
IAD7:00 a.m.Washington, D.C. Dulles Intl
10h 00m
1 stop
LAX2:00 p.m.Los Angeles
Southwest
3 Feb
LAX7:50 a.m.Los Angeles
11h 05m
2 stops
IAD9:55 p.m.Washington, D.C. Dulles Intl
5 Feb
IAD5:30 a.m.Washington, D.C. Dulles Intl
11h 55m
2 stops
LAX2:25 p.m.Los 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
15 Jan
LAX9:30 p.m.Los Angeles
4h 54m
IAD5:24 a.m.Washington, D.C. Dulles Intl
15 Feb
IAD7:13 p.m.Washington, D.C. Dulles Intl
6h 02m
LAX10:15 p.m.Los Angeles
United Airlines
25 Dec
LAX4:50 p.m.Los Angeles
4h 55m
IAD12:45 a.m.Washington, D.C. Dulles Intl
8 Jan
IAD8:25 a.m.Washington, D.C. Dulles Intl
6h 00m
LAX11:25 a.m.Los Angeles
United Airlines
20 Jan
LAX11:25 p.m.Los Angeles
4h 49m
IAD7:14 a.m.Washington, D.C. Dulles Intl
27 Jan
IAD6:45 p.m.Washington, D.C. Dulles Intl
5h 56m
LAX9:41 p.m.Los 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 96,600 searches. Data last updated 2 December 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

Wed 18/2

8:45 a.m.-9:55 p.m.

2 stops10h 10m

Washington, D.C. Dulles Intl

Wed 25/2

9:05 a.m.-5:05 p.m.

2 stops11h 00m

C$ 351

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 8/1

8:45 a.m.-9:55 p.m.

2 stops10h 10m

Washington, D.C. Dulles Intl

Sat 10/1

7:00 a.m.-2:00 p.m.

1 stop10h 00m

C$ 358

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 15/1

9:30 p.m.-5:24 a.m.

Nonstop4h 54m

Washington, D.C. Dulles Intl

Sun 15/2

7:13 p.m.-10:15 p.m.

Nonstop6h 02m

C$ 359

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 14/1

5:45 a.m.-4:50 p.m.

1 stop8h 05m

Washington, D.C. Dulles Intl

Thu 15/1

5:40 p.m.-10:40 p.m.

1 stop8h 00m

C$ 362

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 29/1

8:45 a.m.-9:55 p.m.

2 stops10h 10m

Washington, D.C. Dulles Intl

Sun 1/2

4:40 p.m.-9:50 p.m.

1 stop8h 10m

C$ 366

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sun 11/1

5:00 a.m.-5:00 p.m.

1 stop9h 00m

Washington, D.C. Dulles Intl

Sat 17/1

3:45 p.m.-8:50 p.m.

1 stop8h 05m

C$ 368

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 30/1

12:30 p.m.-9:55 p.m.

1 stop6h 25m

Washington, D.C. Dulles Intl

Mon 2/2

5:30 p.m.-10:00 p.m.

1 stop7h 30m

C$ 369

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 23/1

5:45 a.m.-4:50 p.m.

1 stop8h 05m

Washington, D.C. Dulles Intl

Sun 25/1

4:40 p.m.-9:50 p.m.

1 stop8h 10m

C$ 372

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 7/2

8:55 a.m.-10:10 p.m.

2 stops10h 15m

Washington, D.C. Dulles Intl

Thu 12/2

5:10 a.m.-11:25 a.m.

2 stops9h 15m

C$ 373

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 6/1

5:45 a.m.-4:50 p.m.

1 stop8h 05m

Washington, D.C. Dulles Intl

Wed 14/1

9:05 a.m.-5:05 p.m.

2 stops11h 00m

C$ 375

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?

The cheapest month to fly to Washington, D.C. Dulles Intl Airport from Los Angeles is in May. Flight prices, which tend to average around C$ 457, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. Dulles Intl Airport in May, then you should wait until July to fly from Los Angeles, when ticket prices are also cheap, with an average price of C$ 474.

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

According to our data, Tuesday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Los Angeles. The lowest ticket price found for a Tuesday departure recently was C$ 1,110. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Wednesday is C$ 1,645.

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

Our most recent data shows that the best time of day to fly to Washington, D.C. Dulles Intl Airport is in the morning. Flights from Los Angeles to Washington, D.C. Dulles Intl Airport during this time can be as low as C$ 548. In the evening is when there is more demand to fly to Washington, D.C. Dulles Intl Airport, so prices are often more expensive at around C$ 1,380 per ticket.

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 C$ 545 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 C$ 457 on momondo.

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

There are 2 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.

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

As of December 2025, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 14% 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

Fastest flight time

4h 49m

Direct flights

Every day
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 49m
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 3659.7 km away from Los Angeles. By plane, this route typically takes 4h 42m.

  • 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 refresh daily.

  • How old do you have to be to fly from Los Angeles Airport to Washington, D.C. Dulles Intl 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 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 required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Los Angeles to Washington, D.C. Dulles Intl Airport?

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Gettysburg
Alexandria
Fairfax
Linthicum Heights
Silver Spring
Bethesda
Gaithersburg
Reston
Herndon
Laurel
Chantilly
Capitol Heights
Winchester
Leesburg
Arlington
Manassas
Fredericksburg
Ashburn
Woodbridge
Rockville

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?

Yes. momondo allows you to filter the results for Los Angeles to Washington, D.C. flights to just show those with flexible booking policies.

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?

Yes. momondo can track prices for Los Angeles to Washington, D.C. 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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Thu 1/1
Thu 8/1

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