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Cheap flights from Los Angeles to Washington, D.C. from C$ 179

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 12/11. 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

Enter your travel dates to find the best prices.
United Airlines Logo
12:45 p.m. - 8:39 p.m.LAX-IAD
4h 54mdirect
United Airlines Logo
6:59 p.m. - 9:50 p.m.IAD-LAX
5h 51mdirect
C$ 332United Airlines
Find Deal
Tue, 11 Nov - Tue, 18 Nov
United Airlines Logo
11:25 p.m. - 7:14 a.m.LAX-IAD
4h 49mdirect
United Airlines Logo
3:19 p.m. - 6:05 p.m.IAD-LAX
5h 46mdirect
C$ 346United Airlines
Find Deal
Tue, 6 Jan - Sat, 10 Jan
United Airlines Logo
11:00 p.m. - 6:51 a.m.LAX-IAD
4h 51mdirect
United Airlines Logo
9:00 a.m. - 11:50 a.m.IAD-LAX
5h 50mdirect
C$ 353United Airlines
Find Deal
Sat, 13 Dec - Sun, 14 Dec
United Airlines Logo
10:57 p.m. - 6:48 a.m.LAX-IAD
4h 51mdirect
United Airlines Logo
8:04 p.m. - 10:55 p.m.IAD-LAX
5h 51mdirect
C$ 360United Airlines
Find Deal
Sat, 8 Nov - Mon, 17 Nov
Southwest Logo
5:40 a.m. - 3:45 p.m.LAX-IAD
7h 05m1 stop
Southwest Logo
7:40 a.m. - 4:15 p.m.IAD-LAX
11h 35m2 stops
C$ 367Southwest
Find Deal
Tue, 11 Nov - Tue, 18 Nov
Southwest Logo
12:40 p.m. - 10:00 p.m.LAX-IAD
6h 20m1 stop
Southwest Logo
7:40 a.m. - 11:55 a.m.IAD-LAX
7h 15m1 stop
C$ 374Southwest
Find Deal
Thu, 4 Dec - Wed, 10 Dec
Southwest Logo
8:35 a.m. - 10:00 p.m.LAX-IAD
10h 25m2 stops
Southwest Logo
5:45 p.m. - 10:15 p.m.IAD-LAX
7h 30m1 stop
C$ 381Southwest
Find Deal
Wed, 12 Nov - Mon, 17 Nov
Alaska Airlines Logo
8:30 p.m. - 4:40 p.m.LAX-IAD
17h 10m1 stop
Alaska Airlines Logo
7:43 a.m. - 2:08 p.m.IAD-LAX
9h 25m1 stop
C$ 401Alaska Airlines
Find Deal
Mon, 17 Nov - Wed, 19 Nov
Alaska Airlines Logo
4:04 p.m. - 5:30 p.m.LAX-IAD
22h 26m2 stops
Alaska Airlines Logo
7:34 a.m. - 3:20 p.m.IAD-LAX
10h 46m1 stop
C$ 406Alaska Airlines
Find Deal
Wed, 3 Dec - Tue, 9 Dec
Sun Country Air Logo
12:35 p.m. - 11:54 a.m.LAX-IAD
20h 19m1 stop
Sun Country Air Logo
12:26 p.m. - 5:16 p.m.IAD-LAX
7h 50m1 stop
C$ 483Sun Country Air
Find Deal
Wed, 19 Nov - Sun, 23 Nov

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
11 Nov
LAX12:45 p.m.Los Angeles
4h 54m
IAD8:39 p.m.Washington, D.C. Dulles Intl
18 Nov
IAD6:59 p.m.Washington, D.C. Dulles Intl
5h 51m
LAX9:50 p.m.Los Angeles
C$ 332
Find similar
United Airlines
6 Jan
LAX11:25 p.m.Los Angeles
4h 49m
IAD7:14 a.m.Washington, D.C. Dulles Intl
10 Jan
IAD3:19 p.m.Washington, D.C. Dulles Intl
5h 46m
LAX6:05 p.m.Los Angeles
C$ 346
Find similar
United Airlines
13 Dec
LAX11:00 p.m.Los Angeles
4h 51m
IAD6:51 a.m.Washington, D.C. Dulles Intl
14 Dec
IAD9:00 a.m.Washington, D.C. Dulles Intl
5h 50m
LAX11:50 a.m.Los Angeles
C$ 353
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Alaska Airlines flights from Los Angeles to Washington, D.C. Dulles Intl Airport

Our best Alaska Airlines deals on Los Angeles to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
17 Nov
LAX8:30 p.m.Los Angeles
17h 10m
1 stop
IAD4:40 p.m.Washington, D.C. Dulles Intl
19 Nov
IAD7:43 a.m.Washington, D.C. Dulles Intl
9h 25m
1 stop
LAX2:08 p.m.Los Angeles
C$ 401
Find similar
Alaska Airlines
3 Dec
LAX4:04 p.m.Los Angeles
22h 26m
2 stops
IAD5:30 p.m.Washington, D.C. Dulles Intl
9 Dec
IAD7:34 a.m.Washington, D.C. Dulles Intl
10h 46m
1 stop
LAX3:20 p.m.Los Angeles
C$ 406
Find similar
Alaska Airlines
10 Nov
LAX6:05 p.m.Los Angeles
9h 18m
1 stop
IAD6:23 a.m.Washington, D.C. Dulles Intl
19 Nov
IAD7:43 a.m.Washington, D.C. Dulles Intl
9h 25m
1 stop
LAX2:08 p.m.Los Angeles
C$ 415
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 96,600 searches. Data last updated 14 October 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 11/11

12:45 p.m.-8:39 p.m.

Nonstop4h 54m

Washington, D.C. Dulles Intl

Tue 18/11

6:59 p.m.-9:50 p.m.

Nonstop5h 51m

C$ 332

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 6/1

11:25 p.m.-7:14 a.m.

Nonstop4h 49m

Washington, D.C. Dulles Intl

Sat 10/1

3:19 p.m.-6:05 p.m.

Nonstop5h 46m

C$ 346

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 13/12

11:00 p.m.-6:51 a.m.

Nonstop4h 51m

Washington, D.C. Dulles Intl

Sun 14/12

9:00 a.m.-11:50 a.m.

Nonstop5h 50m

C$ 353

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 8/11

10:57 p.m.-6:48 a.m.

Nonstop4h 51m

Washington, D.C. Dulles Intl

Mon 17/11

8:04 p.m.-10:55 p.m.

Nonstop5h 51m

C$ 360

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 11/11

5:40 a.m.-3:45 p.m.

1 stop7h 05m

Washington, D.C. Dulles Intl

Tue 18/11

7:40 a.m.-4:15 p.m.

2 stops11h 35m

C$ 367

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 4/12

12:40 p.m.-10:00 p.m.

1 stop6h 20m

Washington, D.C. Dulles Intl

Wed 10/12

7:40 a.m.-11:55 a.m.

1 stop7h 15m

C$ 374

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 12/11

8:35 a.m.-10:00 p.m.

2 stops10h 25m

Washington, D.C. Dulles Intl

Mon 17/11

5:45 p.m.-10:15 p.m.

1 stop7h 30m

C$ 381

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 17/11

8:30 p.m.-4:40 p.m.

1 stop17h 10m

Washington, D.C. Dulles Intl

Wed 19/11

7:43 a.m.-2:08 p.m.

1 stop9h 25m

C$ 401

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 3/12

4:04 p.m.-5:30 p.m.

2 stops22h 26m

Washington, D.C. Dulles Intl

Tue 9/12

7:34 a.m.-3:20 p.m.

1 stop10h 46m

C$ 406

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 19/11

12:35 p.m.-11:54 a.m.

1 stop20h 19m

Washington, D.C. Dulles Intl

Sun 23/11

12:26 p.m.-5:16 p.m.

1 stop7h 50m

C$ 483

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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$ 458, 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$ 472.

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$ 549. 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$ 584 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$ 548 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$ 462 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 October 2025, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 32% 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 33m

Direct flights

Every day
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 33m
Direct flights go from Los Angeles to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • 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 41m.

  • 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
Herndon
Reston
Laurel
Chantilly
Capitol Heights
Winchester
Arlington
Manassas
Fredericksburg
Ashburn
Woodbridge
Rockville
McLean
National Harbor

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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