Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Los Angeles to Washington, D.C. from C$ 145

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 10/1. 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

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Los Angeles to Washington, D.C.

Cheap round-trip flights

United Airlines Logo
9:35 p.m. - 5:38 a.m.LAX-IAD
5h 03mdirect
United Airlines Logo
5:42 p.m. - 8:14 p.m.IAD-LAX
5h 32mdirect
C$ 245United Airlines
Find Deal
Wed, 8 Oct - Sat, 11 Oct
Southwest Logo
10:50 a.m. - 10:10 p.m.LAX-IAD
8h 20m2 stops
Southwest Logo
4:40 p.m. - 9:20 p.m.IAD-LAX
7h 40m1 stop
C$ 248Southwest
Find Deal
Wed, 5 Nov - Wed, 12 Nov
United Airlines Logo
10:35 p.m. - 6:39 a.m.LAX-IAD
5h 04mdirect
United Airlines Logo
8:50 a.m. - 11:20 a.m.IAD-LAX
5h 30mdirect
C$ 252United Airlines
Find Deal
Fri, 3 Oct - Sat, 4 Oct
Southwest Logo
5:30 a.m. - 4:15 p.m.LAX-IAD
7h 45m1 stop
Southwest Logo
7:40 a.m. - 11:45 a.m.IAD-LAX
7h 05m1 stop
C$ 256Southwest
Find Deal
Sat, 25 Oct - Wed, 29 Oct
Southwest Logo
5:30 a.m. - 4:15 p.m.LAX-IAD
7h 45m1 stop
Southwest Logo
5:00 p.m. - 9:05 p.m.IAD-LAX
7h 05m1 stop
C$ 258Southwest
Find Deal
Sat, 25 Oct - Sat, 1 Nov
United Airlines Logo
4:30 p.m. - 12:33 a.m.LAX-IAD
5h 03mdirect
United Airlines Logo
6:48 a.m. - 9:37 a.m.IAD-LAX
5h 49mdirect
C$ 259United Airlines
Find Deal
Thu, 2 Oct - Sat, 1 Nov
Southwest Logo
5:50 a.m. - 3:45 p.m.LAX-IAD
6h 55m1 stop
Southwest Logo
5:45 p.m. - 10:15 p.m.IAD-LAX
7h 30m1 stop
C$ 262Southwest
Find Deal
Wed, 19 Nov - Wed, 19 Nov
United Airlines Logo
10:35 p.m. - 6:39 a.m.LAX-IAD
5h 04mdirect
United Airlines Logo
10:14 p.m. - 12:45 a.m.IAD-LAX
5h 31mdirect
C$ 265United Airlines
Find Deal
Tue, 14 Oct - Wed, 15 Oct
Southwest Logo
12:40 p.m. - 10:10 p.m.LAX-IAD
6h 30m1 stop
Southwest Logo
7:40 a.m. - 5:50 p.m.IAD-LAX
13h 10m2 stops
C$ 269Southwest
Find Deal
Wed, 5 Nov - Wed, 12 Nov
Alaska Airlines Logo
12:00 p.m. - 12:23 a.m.LAX-IAD
9h 23m1 stop
Alaska Airlines Logo
6:25 a.m. - 1:09 p.m.IAD-LAX
9h 44m1 stop
C$ 355Alaska Airlines
Find Deal
Wed, 1 Oct - Wed, 8 Oct

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
8 Oct
LAX9:35 p.m.Los Angeles
5h 03m
IAD5:38 a.m.Washington, D.C. Dulles Intl
11 Oct
IAD5:42 p.m.Washington, D.C. Dulles Intl
5h 32m
LAX8:14 p.m.Los Angeles
C$ 245
Find similar
United Airlines
3 Oct
LAX10:35 p.m.Los Angeles
5h 04m
IAD6:39 a.m.Washington, D.C. Dulles Intl
4 Oct
IAD8:50 a.m.Washington, D.C. Dulles Intl
5h 30m
LAX11:20 a.m.Los Angeles
C$ 252
Find similar
United Airlines
2 Oct
LAX4:30 p.m.Los Angeles
5h 03m
IAD12:33 a.m.Washington, D.C. Dulles Intl
1 Nov
IAD6:48 a.m.Washington, D.C. Dulles Intl
5h 49m
LAX9:37 a.m.Los Angeles
C$ 259
Find similar

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
1 Oct
LAX12:00 p.m.Los Angeles
9h 23m
1 stop
IAD12:23 a.m.Washington, D.C. Dulles Intl
8 Oct
IAD6:25 a.m.Washington, D.C. Dulles Intl
9h 44m
1 stop
LAX1:09 p.m.Los Angeles
C$ 355
Find similar
Alaska Airlines
24 Sep
LAX8:03 a.m.Los Angeles
13h 20m
2 stops
IAD12:23 a.m.Washington, D.C. Dulles Intl
1 Oct
IAD7:00 a.m.Washington, D.C. Dulles Intl
10h 57m
1 stop
LAX2:57 p.m.Los Angeles
C$ 508
Find similar
Alaska Airlines
24 Sep
LAX5:36 p.m.Los Angeles
10h 57m
1 stop
IAD7:33 a.m.Washington, D.C. Dulles Intl
30 Sep
IAD7:00 a.m.Washington, D.C. Dulles Intl
17h 14m
2 stops
LAX9:14 p.m.Los Angeles
C$ 547
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 11 September 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 8/10

9:35 p.m.-5:38 a.m.

Nonstop5h 03m

Washington, D.C. Dulles Intl

Sat 11/10

5:42 p.m.-8:14 p.m.

Nonstop5h 32m

C$ 245

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 5/11

10:50 a.m.-10:10 p.m.

2 stops8h 20m

Washington, D.C. Dulles Intl

Wed 12/11

4:40 p.m.-9:20 p.m.

1 stop7h 40m

C$ 248

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 3/10

10:35 p.m.-6:39 a.m.

Nonstop5h 04m

Washington, D.C. Dulles Intl

Sat 4/10

8:50 a.m.-11:20 a.m.

Nonstop5h 30m

C$ 252

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 25/10

5:30 a.m.-4:15 p.m.

1 stop7h 45m

Washington, D.C. Dulles Intl

Wed 29/10

7:40 a.m.-11:45 a.m.

1 stop7h 05m

C$ 256

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 25/10

5:30 a.m.-4:15 p.m.

1 stop7h 45m

Washington, D.C. Dulles Intl

Sat 1/11

5:00 p.m.-9:05 p.m.

1 stop7h 05m

C$ 258

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 2/10

4:30 p.m.-12:33 a.m.

Nonstop5h 03m

Washington, D.C. Dulles Intl

Sat 1/11

6:48 a.m.-9:37 a.m.

Nonstop5h 49m

C$ 259

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 19/11

5:50 a.m.-3:45 p.m.

1 stop6h 55m

Washington, D.C. Dulles Intl

Wed 19/11

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

1 stop7h 30m

C$ 262

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 14/10

10:35 p.m.-6:39 a.m.

Nonstop5h 04m

Washington, D.C. Dulles Intl

Wed 15/10

10:14 p.m.-12:45 a.m.

Nonstop5h 31m

C$ 265

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 5/11

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

1 stop6h 30m

Washington, D.C. Dulles Intl

Wed 12/11

7:40 a.m.-5:50 p.m.

2 stops13h 10m

C$ 269

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 1/10

12:00 p.m.-12:23 a.m.

1 stop9h 23m

Washington, D.C. Dulles Intl

Wed 8/10

6:25 a.m.-1:09 p.m.

1 stop9h 44m

C$ 355

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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$ 453, 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$ 467.

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$ 493. 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 Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Sunday is C$ 746.

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$ 539. 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$ 1,161 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$ 538 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$ 442 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 September 2025, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 28% 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 41m

Direct flights

Every day
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.
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 46m.

  • 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
Alexandria
Gettysburg
Linthicum Heights
Silver Spring
Bethesda
Herndon
Reston
Fairfax
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.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/10
Sat 18/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.