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Cheap flights from Los Angeles to Washington, D.C. from £89

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 4/12. 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

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Southwest Logo
05:45 - 17:05LAX-IAD
8h 20m1 stop
Southwest Logo
17:45 - 22:15IAD-LAX
7h 30m1 stop
£178Southwest
Find Deal
Thu, 4 Dec - Wed, 10 Dec
Southwest Logo
08:35 - 22:00LAX-IAD
10h 25m2 stops
Southwest Logo
07:40 - 11:55IAD-LAX
7h 15m1 stop
£182Southwest
Find Deal
Thu, 4 Dec - Wed, 10 Dec
United Airlines Logo
16:34 - 00:15LAX-IAD
4h 41mdirect
United Airlines Logo
06:48 - 09:39IAD-LAX
5h 51mdirect
£186United Airlines
Find Deal
Wed, 26 Nov - Thu, 27 Nov
United Airlines Logo
11:00 - 18:54LAX-IAD
4h 54mdirect
United Airlines Logo
06:45 - 09:37IAD-LAX
5h 52mdirect
£193United Airlines
Find Deal
Wed, 3 Dec - Thu, 4 Dec
Southwest Logo
12:30 - 21:55LAX-IAD
6h 25m1 stop
Southwest Logo
09:05 - 16:15IAD-LAX
10h 10m2 stops
£197Southwest
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Tue, 13 Jan - Wed, 14 Jan
United Airlines Logo
23:30 - 07:21LAX-IAD
4h 51mdirect
United Airlines Logo
22:08 - 00:59IAD-LAX
5h 51mdirect
£200United Airlines
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Thu, 27 Nov - Wed, 3 Dec
Alaska Airlines Logo
18:05 - 06:23LAX-IAD
9h 18m1 stop
Alaska Airlines Logo
07:43 - 14:08IAD-LAX
9h 25m1 stop
£211Alaska Airlines
Find Deal
Tue, 18 Nov - Wed, 19 Nov
Southwest Logo
10:50 - 22:00LAX-IAD
8h 10m2 stops
Southwest Logo
16:40 - 21:20IAD-LAX
7h 40m1 stop
£212Southwest
Find Deal
Wed, 3 Dec - Thu, 4 Dec
Alaska Airlines Logo
13:32 - 06:06LAX-IAD
13h 34m1 stop
Alaska Airlines Logo
07:34 - 15:20IAD-LAX
10h 46m1 stop
£222Alaska Airlines
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Sun, 7 Dec - Thu, 11 Dec
Alaska Airlines Logo
20:10 - 17:13LAX-IAD
18h 03m2 stops
Alaska Airlines Logo
07:43 - 14:08IAD-LAX
9h 25m1 stop
£236Alaska Airlines
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Wed, 12 Nov - Tue, 18 Nov

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
4 Dec
LAX05:45Los Angeles
8h 20m
1 stop
IAD17:05Washington, D.C. Dulles Intl
10 Dec
IAD17:45Washington, D.C. Dulles Intl
7h 30m
1 stop
LAX22:15Los Angeles
£178
Find similar
Southwest
4 Dec
LAX08:35Los Angeles
10h 25m
2 stops
IAD22:00Washington, D.C. Dulles Intl
10 Dec
IAD07:40Washington, D.C. Dulles Intl
7h 15m
1 stop
LAX11:55Los Angeles
£182
Find similar
Southwest
13 Jan
LAX12:30Los Angeles
6h 25m
1 stop
IAD21:55Washington, D.C. Dulles Intl
14 Jan
IAD09:05Washington, D.C. Dulles Intl
10h 10m
2 stops
LAX16:15Los Angeles
£197
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
18 Nov
LAX18:05Los Angeles
9h 18m
1 stop
IAD06:23Washington, D.C. Dulles Intl
19 Nov
IAD07:43Washington, D.C. Dulles Intl
9h 25m
1 stop
LAX14:08Los Angeles
£211
Find similar
Alaska Airlines
7 Dec
LAX13:32Los Angeles
13h 34m
1 stop
IAD06:06Washington, D.C. Dulles Intl
11 Dec
IAD07:34Washington, D.C. Dulles Intl
10h 46m
1 stop
LAX15:20Los Angeles
£222
Find similar
Alaska Airlines
12 Nov
LAX20:10Los Angeles
18h 03m
2 stops
IAD17:13Washington, D.C. Dulles Intl
18 Nov
IAD07:43Washington, D.C. Dulles Intl
9h 25m
1 stop
LAX14:08Los Angeles
£236
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 29 October 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 4/12

05:45-17:05

1 stop8h 20m

Washington, D.C. Dulles Intl

Wed 10/12

17:45-22:15

1 stop7h 30m

£178

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 4/12

08:35-22:00

2 stops10h 25m

Washington, D.C. Dulles Intl

Wed 10/12

07:40-11:55

1 stop7h 15m

£182

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 26/11

16:34-00:15

Nonstop4h 41m

Washington, D.C. Dulles Intl

Thu 27/11

06:48-09:39

Nonstop5h 51m

£186

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 3/12

11:00-18:54

Nonstop4h 54m

Washington, D.C. Dulles Intl

Thu 4/12

06:45-09:37

Nonstop5h 52m

£193

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 13/1

12:30-21:55

1 stop6h 25m

Washington, D.C. Dulles Intl

Wed 14/1

09:05-16:15

2 stops10h 10m

£197

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 27/11

23:30-07:21

Nonstop4h 51m

Washington, D.C. Dulles Intl

Wed 3/12

22:08-00:59

Nonstop5h 51m

£200

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 18/11

18:05-06:23

1 stop9h 18m

Washington, D.C. Dulles Intl

Wed 19/11

07:43-14:08

1 stop9h 25m

£211

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 3/12

10:50-22:00

2 stops8h 10m

Washington, D.C. Dulles Intl

Thu 4/12

16:40-21:20

1 stop7h 40m

£212

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sun 7/12

13:32-06:06

1 stop13h 34m

Washington, D.C. Dulles Intl

Thu 11/12

07:34-15:20

1 stop10h 46m

£222

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 12/11

20:10-17:13

2 stops18h 03m

Washington, D.C. Dulles Intl

Tue 18/11

07:43-14:08

1 stop9h 25m

£236

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 £246. 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 £253.

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 £456. 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 £1,534.

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 £923. 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 £1,265.

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 £292 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 £248 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 October 2025, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 32% 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 33m

Direct flights

Every day
The fastest flight from Los Angeles to Washington, D.C. Dulles Intl Airport takes 4h 33m
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
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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