Cheap flights from Los Angeles to Washington, D.C. from £108

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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0 bags
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Cheap return flights

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Southwest Logo
05:45 - 15:45
LAX
-
IAD
7h 00m
1 stop
Southwest Logo
17:40 - 23:30
IAD
-
LAX
8h 50m
1 stop
£187Southwest
Sat, 21 Feb - Mon, 2 Mar
United Airlines Logo
16:37 - 00:28
LAX
-
IAD
4h 51mdirect
United Airlines Logo
22:05 - 01:09
IAD
-
LAX
6h 04mdirect
£188United Airlines
Thu, 12 Mar - Sun, 15 Mar
United Airlines Logo
16:37 - 00:28
LAX
-
IAD
4h 51mdirect
United Airlines Logo
22:05 - 01:09
IAD
-
LAX
6h 04mdirect
£189United Airlines
Thu, 12 Mar - Sun, 15 Mar
Southwest Logo
07:50 - 21:55
LAX
-
IAD
11h 05m
2 stops
Southwest Logo
05:50 - 11:35
IAD
-
LAX
8h 45m
1 stop
£191Southwest
Tue, 3 Mar - Fri, 6 Mar
Southwest Logo
10:45 - 23:40
LAX
-
IAD
9h 55m
2 stops
Southwest Logo
06:20 - 13:00
IAD
-
LAX
9h 40m
2 stops
£194Southwest
Wed, 8 Apr - Tue, 14 Apr
Alaska Airlines Logo
15:45 - 05:50
LAX
-
IAD
11h 05m
1 stop
Alaska Airlines Logo
09:00 - 17:41
IAD
-
LAX
11h 41m
1 stop
£197Alaska Airlines
Wed, 29 Apr - Thu, 30 Apr
Alaska Airlines Logo
18:00 - 05:40
LAX
-
IAD
8h 40m
1 stop
Alaska Airlines Logo
07:05 - 15:36
IAD
-
LAX
11h 31m
1 stop
£202Alaska Airlines
Fri, 27 Feb - Wed, 4 Mar
United Airlines Logo
22:35 - 06:37
LAX
-
IAD
5h 02mdirect
United Airlines Logo
22:15 - 01:05
IAD
-
LAX
5h 50mdirect
£202United Airlines
Tue, 31 Mar - Sat, 4 Apr
United Airlines Logo
16:42 - 00:47
LAX
-
IAD
5h 05mdirect
United Airlines Logo
22:10 - 00:46
IAD
-
LAX
5h 36mdirect
£203United Airlines
Wed, 1 Jul - Tue, 7 Jul
Southwest Logo
13:50 - 23:10
LAX
-
IAD
6h 20m
1 stop
Southwest Logo
09:05 - 16:15
IAD
-
LAX
10h 10m
2 stops
£205Southwest
Fri, 20 Feb - Tue, 24 Feb

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
12 Mar
LAX16:37Los Angeles
4h 51m
IAD00:28Washington, D.C. Dulles Intl
15 Mar
IAD22:05Washington, D.C. Dulles Intl
6h 04m
LAX01:09Los Angeles
£188
United Airlines
12 Mar
LAX16:37Los Angeles
4h 51m
IAD00:28Washington, D.C. Dulles Intl
15 Mar
IAD22:05Washington, D.C. Dulles Intl
6h 04m
LAX01:09Los Angeles
£189
United Airlines
27 Feb
LAX23:25Los Angeles
4h 50m
IAD07:15Washington, D.C. Dulles Intl
8 Mar
IAD22:05Washington, D.C. Dulles Intl
6h 04m
LAX01:09Los Angeles
£202

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
21 Feb
LAX09:40Los Angeles
9h 05m
1 stop
IAD21:45Washington, D.C. Dulles Intl
24 Feb
IAD16:30Washington, D.C. Dulles Intl
7h 55m
1 stop
LAX21:25Los Angeles
£187
Southwest
3 Mar
LAX07:50Los Angeles
11h 05m
2 stops
IAD21:55Washington, D.C. Dulles Intl
6 Mar
IAD05:50Washington, D.C. Dulles Intl
8h 45m
1 stop
LAX11:35Los Angeles
£191
Southwest
8 Apr
LAX10:45Los Angeles
9h 55m
2 stops
IAD23:40Washington, D.C. Dulles Intl
14 Apr
IAD06:20Washington, D.C. Dulles Intl
9h 40m
2 stops
LAX13:00Los Angeles
£194

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 31 January 2026.
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

Sat 21/2

05:45-15:45

1 stop7h 00m

Washington, D.C. Dulles Intl

Mon 2/3

17:40-23:30

1 stop8h 50m

£187

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 12/3

16:37-00:28

Nonstop4h 51m

Washington, D.C. Dulles Intl

Sun 15/3

22:05-01:09

Nonstop6h 04m

£188

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 12/3

16:37-00:28

Nonstop4h 51m

Washington, D.C. Dulles Intl

Sun 15/3

22:05-01:09

Nonstop6h 04m

£189

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 3/3

07:50-21:55

2 stops11h 05m

Washington, D.C. Dulles Intl

Fri 6/3

05:50-11:35

1 stop8h 45m

£191

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 8/4

10:45-23:40

2 stops9h 55m

Washington, D.C. Dulles Intl

Tue 14/4

06:20-13:00

2 stops9h 40m

£194

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 29/4

15:45-05:50

1 stop11h 05m

Washington, D.C. Dulles Intl

Thu 30/4

09:00-17:41

1 stop11h 41m

£197

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 27/2

18:00-05:40

1 stop8h 40m

Washington, D.C. Dulles Intl

Wed 4/3

07:05-15:36

1 stop11h 31m

£202

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 31/3

22:35-06:37

Nonstop5h 02m

Washington, D.C. Dulles Intl

Sat 4/4

22:15-01:05

Nonstop5h 50m

£202

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 1/7

16:42-00:47

Nonstop5h 05m

Washington, D.C. Dulles Intl

Tue 7/7

22:10-00:46

Nonstop5h 36m

£203

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 20/2

13:50-23:10

1 stop6h 20m

Washington, D.C. Dulles Intl

Tue 24/2

09:05-16:15

2 stops10h 10m

£205

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 £238. 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 £245.

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 £442. 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, Friday 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 £646.

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 £340. 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 £445.

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 £213 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 January 2026, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 4% 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 52m

Direct flights

Every day
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 52m
Direct flights go from Los Angeles to Washington, D.C. Dulles Intl Airport every day.
  • 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 52m, 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
Fairfax
Arlington
Linthicum Heights
Alexandria
Glen Burnie
Lutherville Timonium
Front Royal
Winchester
Ellicott City
Cambridge
Lexington Park
Westminster
Woodbridge
Bethesda
Ashburn
Sterling
Rockville
Silver Spring

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.

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Mon 2/3
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