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Cheap flights from Los Angeles to Washington, D.C. from £97

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 2/3. 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

Enter your travel dates to find the best prices.
Southwest Logo
05:50 - 15:45LAX-IAD
6h 55m1 stop
Southwest Logo
19:50 - 00:05IAD-LAX
7h 15m1 stop
£188Southwest
Find Deal
Thu, 25 Dec - Mon, 5 Jan
Alaska Airlines Logo
18:00 - 05:40LAX-IAD
8h 40m1 stop
Alaska Airlines Logo
18:27 - 08:55IAD-LAX
17h 28m1 stop
£195Alaska Airlines
Find Deal
Mon, 2 Mar - Mon, 9 Mar
Southwest Logo
05:45 - 17:05LAX-IAD
8h 20m1 stop
Southwest Logo
16:40 - 21:20IAD-LAX
7h 40m1 stop
£195Southwest
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Southwest Logo
08:35 - 22:00LAX-IAD
10h 25m2 stops
Southwest Logo
16:40 - 21:20IAD-LAX
7h 40m1 stop
£199Southwest
Find Deal
Wed, 3 Dec - Fri, 5 Dec
United Airlines Logo
06:55 - 14:50LAX-IAD
4h 55mdirect
United Airlines Logo
06:45 - 09:37IAD-LAX
5h 52mdirect
£202United Airlines
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Wed, 10 Dec - Wed, 17 Dec
United Airlines Logo
21:29 - 05:21LAX-IAD
4h 52mdirect
United Airlines Logo
22:05 - 01:09IAD-LAX
6h 04mdirect
£203United Airlines
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Thu, 12 Mar - Sat, 14 Mar
United Airlines Logo
13:30 - 21:22LAX-IAD
4h 52mdirect
United Airlines Logo
22:08 - 00:59IAD-LAX
5h 51mdirect
£211United Airlines
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Wed, 3 Dec - Thu, 4 Dec
Southwest Logo
07:50 - 21:55LAX-IAD
11h 05m2 stops
Southwest Logo
05:05 - 09:40IAD-LAX
7h 35m1 stop
£214Southwest
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Wed, 18 Feb - Sat, 21 Feb
Alaska Airlines Logo
16:37 - 06:06LAX-IAD
10h 29m1 stop
Alaska Airlines Logo
07:34 - 15:20IAD-LAX
10h 46m1 stop
£217Alaska Airlines
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Fri, 5 Dec - Tue, 9 Dec
Southwest Logo
07:55 - 18:20LAX-IAD
7h 25m1 stop
Southwest Logo
16:30 - 21:25IAD-LAX
7h 55m1 stop
£218Southwest
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Fri, 27 Feb - Tue, 3 Mar

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

Our best Delta deals on Los Angeles to Washington, D.C. Dulles Intl Airport flight tickets
Delta
31 Jan
LAX09:55Los Angeles
10h 15m
1 stop
IAD23:10Washington, D.C. Dulles Intl
4 Feb
IAD07:30Washington, D.C. Dulles Intl
9h 25m
1 stop
LAX13:55Los Angeles
£262
Find similar
Delta
6 Dec
LAX10:09Los Angeles
10h 20m
2 stops
IAD23:29Washington, D.C. Dulles Intl
10 Dec
IAD07:15Washington, D.C. Dulles Intl
11h 14m
1 stop
LAX15:29Los Angeles
£266
Find similar
Delta
6 Dec
LAX10:09Los Angeles
10h 20m
2 stops
IAD23:29Washington, D.C. Dulles Intl
9 Dec
IAD11:58Washington, D.C. Dulles Intl
11h 45m
2 stops
LAX20:43Los Angeles
£271
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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
25 Dec
LAX05:50Los Angeles
6h 55m
1 stop
IAD15:45Washington, D.C. Dulles Intl
5 Jan
IAD19:50Washington, D.C. Dulles Intl
7h 15m
1 stop
LAX00:05Los Angeles
£188
Find similar
Southwest
4 Dec
LAX05:45Los Angeles
8h 20m
1 stop
IAD17:05Washington, D.C. Dulles Intl
8 Dec
IAD16:40Washington, D.C. Dulles Intl
7h 40m
1 stop
LAX21:20Los Angeles
£195
Find similar
Southwest
3 Dec
LAX08:35Los Angeles
10h 25m
2 stops
IAD22:00Washington, D.C. Dulles Intl
5 Dec
IAD16:40Washington, D.C. Dulles Intl
7h 40m
1 stop
LAX21:20Los Angeles
£199
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 14 November 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

Thu 25/12

05:50-15:45

1 stop6h 55m

Washington, D.C. Dulles Intl

Mon 5/1

19:50-00:05

1 stop7h 15m

£188

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 2/3

18:00-05:40

1 stop8h 40m

Washington, D.C. Dulles Intl

Mon 9/3

18:27-08:55

1 stop17h 28m

£195

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 4/12

05:45-17:05

1 stop8h 20m

Washington, D.C. Dulles Intl

Mon 8/12

16:40-21:20

1 stop7h 40m

£195

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 3/12

08:35-22:00

2 stops10h 25m

Washington, D.C. Dulles Intl

Fri 5/12

16:40-21:20

1 stop7h 40m

£199

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 10/12

06:55-14:50

Nonstop4h 55m

Washington, D.C. Dulles Intl

Wed 17/12

06:45-09:37

Nonstop5h 52m

£202

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 12/3

21:29-05:21

Nonstop4h 52m

Washington, D.C. Dulles Intl

Sat 14/3

22:05-01:09

Nonstop6h 04m

£203

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 3/12

13:30-21:22

Nonstop4h 52m

Washington, D.C. Dulles Intl

Thu 4/12

22:08-00:59

Nonstop5h 51m

£210

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 18/2

07:50-21:55

2 stops11h 05m

Washington, D.C. Dulles Intl

Sat 21/2

05:05-09:40

1 stop7h 35m

£214

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 5/12

16:37-06:06

1 stop10h 29m

Washington, D.C. Dulles Intl

Tue 9/12

07:34-15:20

1 stop10h 46m

£217

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 27/2

07:55-18:20

1 stop7h 25m

Washington, D.C. Dulles Intl

Tue 3/3

16:30-21:25

1 stop7h 55m

£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 £248. 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 £256.

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 £461. 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 £1,552.

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 £580. 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 £1,280.

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 £295 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 £246 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 November 2025, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 29% 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 49m, 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
Laurel
College Park
Alexandria
Fairfax
Linthicum Heights
Bethesda
Front Royal
Cambridge
Winchester
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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