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Cheap flights from Los Angeles to Washington, D.C. from £80

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 16/11. 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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Cheap return flights

United Airlines Logo
21:35 - 05:38LAX-IAD
5h 03mdirect
United Airlines Logo
07:00 - 09:25IAD-LAX
5h 25mdirect
£144United Airlines
Find Deal
Wed, 15 Oct - Sat, 18 Oct
United Airlines Logo
21:35 - 05:38LAX-IAD
5h 03mdirect
United Airlines Logo
07:00 - 09:25IAD-LAX
5h 25mdirect
£151United Airlines
Find Deal
Fri, 10 Oct - Sun, 12 Oct
United Airlines Logo
16:34 - 00:15LAX-IAD
4h 41mdirect
United Airlines Logo
22:08 - 00:59IAD-LAX
5h 51mdirect
£156United Airlines
Find Deal
Sun, 9 Nov - Wed, 12 Nov
United Airlines Logo
22:35 - 06:39LAX-IAD
5h 04mdirect
United Airlines Logo
07:00 - 09:25IAD-LAX
5h 25mdirect
£159United Airlines
Find Deal
Wed, 15 Oct - Sun, 19 Oct
Southwest Logo
05:30 - 16:15LAX-IAD
7h 45m1 stop
Southwest Logo
07:40 - 14:35IAD-LAX
9h 55m2 stops
£177Southwest
Find Deal
Sat, 1 Nov - Tue, 4 Nov
Southwest Logo
05:35 - 19:00LAX-IAD
10h 25m1 stop
Southwest Logo
07:40 - 14:35IAD-LAX
9h 55m2 stops
£182Southwest
Find Deal
Sun, 2 Nov - Tue, 4 Nov
Alaska Airlines Logo
15:58 - 06:23LAX-IAD
11h 25m1 stop
Alaska Airlines Logo
07:38 - 14:12IAD-LAX
9h 34m1 stop
£195Alaska Airlines
Find Deal
Tue, 18 Nov - Mon, 24 Nov
Hawaiian Airlines Logo
10:00 - 00:23LAX-IAD
11h 23m1 stop
Hawaiian Airlines Logo
06:25 - 13:09IAD-LAX
9h 44m1 stop
£202Hawaiian Airlines
Find Deal
Tue, 7 Oct - Wed, 8 Oct
Hawaiian Airlines Logo
12:00 - 00:23LAX-IAD
9h 23m1 stop
Hawaiian Airlines Logo
06:25 - 13:09IAD-LAX
9h 44m1 stop
£217Hawaiian Airlines
Find Deal
Tue, 7 Oct - Wed, 15 Oct
Alaska Airlines Logo
11:45 - 06:23LAX-IAD
15h 38m1 stop
Alaska Airlines Logo
17:40 - 07:20IAD-LAX
16h 40m2 stops
£219Alaska Airlines
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Wed, 12 Nov - Sun, 16 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
15 Oct
LAX21:35Los Angeles
5h 03m
IAD05:38Washington, D.C. Dulles Intl
18 Oct
IAD07:00Washington, D.C. Dulles Intl
5h 25m
LAX09:25Los Angeles
£144
Find similar
United Airlines
10 Oct
LAX21:35Los Angeles
5h 03m
IAD05:38Washington, D.C. Dulles Intl
12 Oct
IAD07:00Washington, D.C. Dulles Intl
5h 25m
LAX09:25Los Angeles
£151
Find similar
United Airlines
9 Nov
LAX16:34Los Angeles
4h 41m
IAD00:15Washington, D.C. Dulles Intl
12 Nov
IAD22:08Washington, D.C. Dulles Intl
5h 51m
LAX00:59Los Angeles
£156
Find similar

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
1 Nov
LAX05:30Los Angeles
7h 45m
1 stop
IAD16:15Washington, D.C. Dulles Intl
4 Nov
IAD07:40Washington, D.C. Dulles Intl
9h 55m
2 stops
LAX14:35Los Angeles
£177
Find similar
Southwest
2 Nov
LAX05:35Los Angeles
10h 25m
1 stop
IAD19:00Washington, D.C. Dulles Intl
4 Nov
IAD07:40Washington, D.C. Dulles Intl
9h 55m
2 stops
LAX14:35Los Angeles
£182
Find similar
Southwest
31 Oct
LAX08:35Los Angeles
10h 50m
1 stop
IAD22:25Washington, D.C. Dulles Intl
5 Nov
IAD07:40Washington, D.C. Dulles Intl
7h 15m
1 stop
LAX11:55Los Angeles
£185
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 17 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 15/10

21:35-05:38

Nonstop5h 03m

Washington, D.C. Dulles Intl

Sat 18/10

07:00-09:25

Nonstop5h 25m

£144

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 10/10

21:35-05:38

Nonstop5h 03m

Washington, D.C. Dulles Intl

Sun 12/10

07:00-09:25

Nonstop5h 25m

£151

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sun 9/11

16:34-00:15

Nonstop4h 41m

Washington, D.C. Dulles Intl

Wed 12/11

22:08-00:59

Nonstop5h 51m

£156

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 15/10

22:35-06:39

Nonstop5h 04m

Washington, D.C. Dulles Intl

Sun 19/10

07:00-09:25

Nonstop5h 25m

£159

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 1/11

05:30-16:15

1 stop7h 45m

Washington, D.C. Dulles Intl

Tue 4/11

07:40-14:35

2 stops9h 55m

£177

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sun 2/11

05:35-19:00

1 stop10h 25m

Washington, D.C. Dulles Intl

Tue 4/11

07:40-14:35

2 stops9h 55m

£182

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 18/11

15:58-06:23

1 stop11h 25m

Washington, D.C. Dulles Intl

Mon 24/11

07:38-14:12

1 stop9h 34m

£195

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 7/10

10:00-00:23

1 stop11h 23m

Washington, D.C. Dulles Intl

Wed 8/10

06:25-13:09

1 stop9h 44m

£202

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 7/10

12:00-00:23

1 stop9h 23m

Washington, D.C. Dulles Intl

Wed 15/10

06:25-13:09

1 stop9h 44m

£217

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 12/11

11:45-06:23

1 stop15h 38m

Washington, D.C. Dulles Intl

Sun 16/11

17:40-07:20

2 stops16h 40m

£218

Flights are sorted by cheapest return 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 month of May is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Los Angeles, with most prices found around £240. If you aren’t able to travel during the month of May, then book flights to Washington, D.C. Dulles Intl Airport from Los Angeles during July instead. Flights to Washington, D.C. Dulles Intl Airport in July, while not as cheap as those in May, still average around £247.

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

According to our data, Sunday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Los Angeles. The lowest ticket price found for a Sunday departure recently was £445. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Tuesday is the most expensive day to depart from Los Angeles because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,497.

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

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the evening when flights can be purchased for as low as £559. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is in the morning when prices are around £651.

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 £287 when searching weeks before you fly. 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 £240 on momondo.

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

There are 3 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 56% 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 return 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?

    The distance between Los Angeles and Washington, D.C. Dulles Intl is about 2274.0 mi. Flights usually cover this in 4h 41m, depending on flying conditions and air traffic around both airports.

  • 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 refreshed on a daily basis.

  • 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
Winchester
Laurel
College Park
Essex
Alexandria
Fairfax
Bethesda
Oxon Hill
Gettysburg
Front Royal
Cambridge
Ellicott City
Westminster
Arlington
Ashburn
Woodbridge
Owings Mills
Sterling
Silver Spring
National Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Los Angeles to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Los Angeles.

Can I find flights from Los Angeles to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Los Angeles with this policy.

How can momondo help me find flights from Los Angeles to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Los Angeles to Washington, D.C..

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 offers price alerts on flights to Washington, D.C. from Los Angeles. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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

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