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Cheap flights from Los Angeles to Washington, D.C. from £73

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 3/9. 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

Frontier Logo
18:15 - 09:17LAX-IAD
12h 02m1 stop
Frontier Logo
06:10 - 12:13IAD-LAX
9h 03m1 stop
£125Frontier
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Sun, 28 Sep - Sun, 5 Oct
Southwest Logo
05:40 - 16:20LAX-IAD
7h 40m1 stop
Southwest Logo
14:25 - 19:45IAD-LAX
8h 20m1 stop
£145Southwest
Find Deal
Sat, 6 Sep - Wed, 10 Sep
Southwest Logo
06:50 - 17:15LAX-IAD
7h 25m1 stop
Southwest Logo
05:45 - 11:50IAD-LAX
9h 05m2 stops
£149Southwest
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Wed, 3 Sep - Wed, 10 Sep
Southwest Logo
08:30 - 22:05LAX-IAD
10h 35m2 stops
Southwest Logo
05:45 - 13:15IAD-LAX
10h 30m2 stops
£153Southwest
Find Deal
Tue, 9 Sep - Tue, 16 Sep
Southwest Logo
05:40 - 16:20LAX-IAD
7h 40m1 stop
Southwest Logo
05:45 - 09:55IAD-LAX
7h 10m1 stop
£160Southwest
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Sat, 30 Aug - Wed, 3 Sep
United Airlines Logo
16:29 - 00:30LAX-IAD
5h 01mdirect
United Airlines Logo
17:40 - 20:11IAD-LAX
5h 31mdirect
£175United Airlines
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Sat, 30 Aug - Wed, 3 Sep
United Airlines Logo
08:18 - 16:25LAX-IAD
5h 07mdirect
United Airlines Logo
22:05 - 00:34IAD-LAX
5h 29mdirect
£204United Airlines
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Sun, 31 Aug - Wed, 3 Sep
United Airlines Logo
23:16 - 07:07LAX-IAD
4h 51mdirect
United Airlines Logo
07:00 - 09:25IAD-LAX
5h 25mdirect
£204United Airlines
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Wed, 24 Sep - Sun, 28 Sep
Alaska Airlines Logo
20:55 - 17:25LAX-IAD
17h 30m2 stops
Alaska Airlines Logo
18:55 - 08:44IAD-LAX
16h 49m1 stop
£214Alaska Airlines
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Thu, 22 Jan - Sat, 24 Jan
Alaska Airlines Logo
15:46 - 07:33LAX-IAD
12h 47m2 stops
Alaska Airlines Logo
17:52 - 07:21IAD-LAX
16h 29m2 stops
£220Alaska Airlines
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Wed, 24 Sep - Mon, 29 Sep

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
30 Aug
LAX16:29Los Angeles
5h 01m
IAD00:30Washington, D.C. Dulles Intl
3 Sept
IAD17:40Washington, D.C. Dulles Intl
5h 31m
LAX20:11Los Angeles
£175
Find similar
United Airlines
31 Aug
LAX08:18Los Angeles
5h 07m
IAD16:25Washington, D.C. Dulles Intl
3 Sept
IAD22:05Washington, D.C. Dulles Intl
5h 29m
LAX00:34Los Angeles
£204
Find similar
United Airlines
24 Sept
LAX23:16Los Angeles
4h 51m
IAD07:07Washington, D.C. Dulles Intl
28 Sept
IAD07:00Washington, D.C. Dulles Intl
5h 25m
LAX09:25Los Angeles
£204
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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
6 Sept
LAX05:40Los Angeles
7h 40m
1 stop
IAD16:20Washington, D.C. Dulles Intl
10 Sept
IAD14:25Washington, D.C. Dulles Intl
8h 20m
1 stop
LAX19:45Los Angeles
£145
Find similar
Southwest
3 Sept
LAX06:50Los Angeles
7h 25m
1 stop
IAD17:15Washington, D.C. Dulles Intl
10 Sept
IAD05:45Washington, D.C. Dulles Intl
9h 05m
2 stops
LAX11:50Los Angeles
£149
Find similar
Southwest
9 Sept
LAX08:30Los Angeles
10h 35m
2 stops
IAD22:05Washington, D.C. Dulles Intl
16 Sept
IAD05:45Washington, D.C. Dulles Intl
10h 30m
2 stops
LAX13:15Los Angeles
£153
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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 15 August 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

Sun 28/9

18:15-09:17

1 stop12h 02m

Washington, D.C. Dulles Intl

Sun 5/10

06:10-12:13

1 stop9h 03m

£125

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 6/9

05:40-16:20

1 stop7h 40m

Washington, D.C. Dulles Intl

Wed 10/9

14:25-19:45

1 stop8h 20m

£145

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 3/9

06:50-17:15

1 stop7h 25m

Washington, D.C. Dulles Intl

Wed 10/9

05:45-11:50

2 stops9h 05m

£149

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 9/9

08:30-22:05

2 stops10h 35m

Washington, D.C. Dulles Intl

Tue 16/9

05:45-13:15

2 stops10h 30m

£153

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 30/8

05:40-16:20

1 stop7h 40m

Washington, D.C. Dulles Intl

Wed 3/9

05:45-09:55

1 stop7h 10m

£160

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 30/8

16:29-00:30

Nonstop5h 01m

Washington, D.C. Dulles Intl

Wed 3/9

17:40-20:11

Nonstop5h 31m

£175

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sun 31/8

08:18-16:25

Nonstop5h 07m

Washington, D.C. Dulles Intl

Wed 3/9

22:05-00:34

Nonstop5h 29m

£204

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 24/9

23:16-07:07

Nonstop4h 51m

Washington, D.C. Dulles Intl

Sun 28/9

07:00-09:25

Nonstop5h 25m

£204

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 22/1

20:55-17:25

2 stops17h 30m

Washington, D.C. Dulles Intl

Sat 24/1

18:55-08:44

1 stop16h 49m

£214

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 24/9

15:46-07:33

2 stops12h 47m

Washington, D.C. Dulles Intl

Mon 29/9

17:52-07:21

2 stops16h 29m

£220

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 typical price of a round-trip flight between Los Angeles and Washington, D.C. Dulles Intl Airport?

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 £241. 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 £249.

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 £448. 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 £1,390.

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 £563. 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 £1,242.

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 £286 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 £235 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 August 2025, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 1% 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

Best price found

£73

Fastest flight time

4h 48m

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 £73. The best return flight deal from Los Angeles to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is £125.
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 48m
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 51m, 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
Essex
Alexandria
Fairfax
Manassas
Bethesda
Oxon Hill
Chantilly
College Park
Linthicum Heights
Gettysburg
Front Royal
Hanover
Cambridge
Ellicott City
Westminster
Arlington
Ashburn
Woodbridge

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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