What are the cheapest airlines flying from Los Angeles to Washington, D.C. Dulles Intl Airport round-trip?

Currently priced at $197, United Airlines will fly you from Los Angeles to Washington, D.C. Dulles Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Southwest - these airlines can fly you to your destination from $202 and $204, respectively. You may be able to fly from Los Angeles to Washington, D.C. Dulles Intl Airport for 48% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Los Angeles to Washington, D.C. Dulles Intl Airport one-way?

To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $111. Frontier flights start at $113 while deals on Hawaiian Airlines start at $119 one-way.

What are the cheapest flights from Los Angeles to Washington, D.C. Dulles Intl Airport?

While on average a flight from Los Angeles to Washington, D.C. Dulles Intl Airport is generally $1,084, our data shows the cheapest flight currently is $113. When looking at the most popular route, (Los Angeles - Washington, D.C. Dulles Intl), you can expect to pay $181 for that flight.

What are the most reliable airlines from Los Angeles to Washington, D.C. Dulles Intl Airport?

No one likes to see their flight delayed. When booking a flight from Los Angeles to Washington, D.C. Dulles Intl Airport consider choosing Iberia (100%), Air China (95%) or Egyptair (93%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Los Angeles to Washington, D.C. Dulles Intl Airport?

When booking a flight from Los Angeles to Washington, D.C. Dulles Intl Airport, you may want to consider flying on American Airlines, Alaska Airlines or Delta as they are the most popular for this route.

What is the cheapest day to fly round-trip from Los Angeles to Washington, D.C. Dulles Intl Airport?

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 34% on the overall cost on flights from Los Angeles to Washington, D.C. Dulles Intl Airport.

What is the cheapest month to fly from Los Angeles to Washington, D.C. Dulles Intl Airport?

Our data shows that August tends to be the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Los Angeles. Users have commonly found prices around $354 for the month, but tickets can be as low as $130. Due to multiple factors, prepare for potentially higher prices in December.

What airport do you fly from for flights from Los Angeles to Washington, D.C. Dulles Intl?

Most people fly from Los Angeles (LAX) if they book a flight from Los Angeles to Washington, D.C. Dulles Intl. On average, Los Angeles has 25 outbound flights to Washington, D.C. Dulles Intl per day from 8 airlines. Los Angeles is conveniently located just 9.4 mi from Los Angeles’s city center.

Can I find deals for flights from Los Angeles to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Los Angeles to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Los Angeles to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Los Angeles to Dulles Intl.

Can I find deals for business class flights from Los Angeles to Dulles Intl?

Yes. Cheapflights offers flight deals from Los Angeles to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$111+ Flights from Los Angeles to Washington, D.C. Dulles Intl Airport

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Cheapflights Tip: The best prices from Los Angeles to Washington, D.C. Dulles Intl are usually found in May or August, booked 81 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Los Angeles to Dulles Intl

Round-trip from	$197 (United Airlines)
One-way from	$111 (Alaska Airlines)
Popular in	December
Cheapest in	May
Average price	$382
Good round-trip deal	$313 or less
Good one-way deal	$163 or less

From Los Angeles to Washington, D.C. Dulles Intl

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One-way flight from Los Angeles to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($64 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Price to beat on a round-trip flight from Los Angeles to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from Los Angeles to Washington, D.C. Dulles Intl.

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Find flight deals from Los Angeles to Dulles Intl

Cheapest flights from Los Angeles to Dulles Intl
Explore the most affordable flight options available from Los Angeles to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

lun. 6/3011:01 pmLAX - IAD

Nonstop4h 52mUnited Airlines

mar. 7/110:16 pmIAD - LAX

Nonstop5h 29mUnited Airlines

Deal found 6/11

$197

mar. 8/128:20 amLAX - IAD

Nonstop5h 05mAlaska Airlines

mar. 8/198:19 pmIAD - LAX

Nonstop5h 29mAlaska Airlines

Deal found 6/10

$202

mié. 7/21:00 pmLAX - IAD

1 stop6h 45mSouthwest

sáb. 7/56:30 amIAD - LAX

1 stop12h 30mSouthwest

Deal found 6/10

$204

mar. 8/56:00 amLAX - IAD

1 stop10h 19mHawaiian Airlines

vie. 8/158:19 pmIAD - LAX

Nonstop5h 29mHawaiian Airlines

Deal found 6/10

$211

mar. 7/83:48 pmLAX - IAD

1 stop11h 46mFrontier

lun. 7/147:30 amIAD - LAX

1 stop7h 38mFrontier

Deal found 6/11

$225

mié. 8/68:20 amLAX - IAD

Nonstop5h 05mMultiple Airlines

dom. 8/246:10 amIAD - LAX

1 stop8h 57mMultiple Airlines

Deal found 6/10

$244

lun. 7/1411:59 pmLAX - IAD

1 stop9h 32mSun Country Air

jue. 7/176:05 amIAD - LAX

1 stop19h 36mSun Country Air

Deal found 6/10

$285

Best flights from Los Angeles to Dulles Intl
Discover carefully curated flight deals from Los Angeles to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 12, 2025.

lun. 6/3011:01 pmLAX - IAD

Nonstop4h 52mUnited Airlines

mar. 7/110:16 pmIAD - LAX

Nonstop5h 29mUnited Airlines

Deal found 6/11

$197

mar. 8/128:20 amLAX - IAD

Nonstop5h 05mAlaska Airlines

mar. 8/198:19 pmIAD - LAX

Nonstop5h 29mAlaska Airlines

Deal found 6/10

$202

mié. 7/21:00 pmLAX - IAD

1 stop6h 45mSouthwest

sáb. 7/56:30 amIAD - LAX

1 stop12h 30mSouthwest

Deal found 6/10

$204

mar. 8/56:00 amLAX - IAD

1 stop10h 19mHawaiian Airlines

vie. 8/158:19 pmIAD - LAX

Nonstop5h 29mHawaiian Airlines

Deal found 6/10

$211

mar. 7/83:48 pmLAX - IAD

1 stop11h 46mFrontier

lun. 7/147:30 amIAD - LAX

1 stop7h 38mFrontier

Deal found 6/11

$225

mié. 8/68:20 amLAX - IAD

Nonstop5h 05mMultiple Airlines

lun. 8/256:10 amIAD - LAX

1 stop8h 57mMultiple Airlines

Deal found 6/10

$244

lun. 7/1411:59 pmLAX - IAD

1 stop9h 32mSun Country Air

jue. 7/176:05 amIAD - LAX

1 stop19h 36mSun Country Air

Deal found 6/10

$285

Last-minute flights from Los Angeles to Dulles Intl
Discover last-minute flight deals from Los Angeles to Dulles Intl. Data last updated junio 12, 2025 and is based on user searches.

mar. 6/173:48 pmLAX - IAD

1 stop11h 42mFrontier

lun. 8/1811:04 amIAD - LAX

1 stop9h 53mFrontier

Deal found 6/9

$308

mar. 6/178:20 amLAX - IAD

Nonstop5h 05mAlaska Airlines

sáb. 8/168:19 pmIAD - LAX

Nonstop5h 29mAlaska Airlines

Deal found 6/9

$329

mar. 6/178:20 amLAX - IAD

Nonstop5h 05mHawaiian Airlines

mié. 7/308:10 amIAD - LAX

1 stop9h 46mHawaiian Airlines

Deal found 6/10

$387

mié. 6/187:50 amLAX - IAD

1 stop7h 35mSouthwest

mié. 7/27:00 pmIAD - LAX

1 stop7h 15mSouthwest

Deal found 6/10

$348

mié. 6/184:45 pmLAX - IAD

Nonstop4h 59mUnited Airlines

mié. 7/210:31 pmIAD - LAX

Nonstop5h 24mUnited Airlines

Deal found 6/10

$400

jue. 6/1911:59 pmLAX - IAD

1 stop8h 01mAmerican Airlines

mié. 6/256:55 amIAD - LAX

1 stop7h 18mAmerican Airlines

Deal found 6/12

$497

jue. 6/1912:20 amLAX - IAD

1 stop8h 13mDelta

mié. 7/26:20 amIAD - LAX

1 stop9h 44mDelta

Deal found 6/12

$516

sáb. 6/216:52 pmLAX - IAD

1 stop8h 38mMultiple Airlines

sáb. 6/287:30 amIAD - LAX

1 stop9h 45mMultiple Airlines

Deal found 6/10

$370

lun. 6/3011:01 pmLAX - IAD

Nonstop4h 52mUnited Airlines

mar. 7/110:16 pmIAD - LAX

Nonstop5h 29mUnited Airlines

Deal found 6/11

$197

mar. 7/111:29 amLAX - IAD

1 stop16h 21mAlaska Airlines

mar. 8/57:59 pmIAD - LAX

1 stop17h 48mAlaska Airlines

Deal found 6/10

$208

mié. 7/21:00 pmLAX - IAD

1 stop6h 45mSouthwest

sáb. 7/56:30 amIAD - LAX

1 stop12h 30mSouthwest

Deal found 6/10

$204

vie. 7/47:00 amLAX - IAD

1 stop9h 19mHawaiian Airlines

vie. 7/118:19 pmIAD - LAX

Nonstop5h 29mHawaiian Airlines

Deal found 6/11

$246

One-way flights from Los Angeles to Dulles Intl
Search for one-way flight options from Los Angeles to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated junio 12, 2025.

mar. 8/128:20 amLAX - IAD

Nonstop5h 05mAlaska Airlines

Deal found 6/10

$111

mié. 7/2311:20 amLAX - IAD

1 stop20h 48mMultiple Airlines

Deal found 6/10

$112

mié. 8/133:48 pmLAX - IAD

1 stop11h 46mFrontier

Deal found 6/11

$113

lun. 6/308:20 amLAX - IAD

Nonstop5h 05mHawaiian Airlines

Deal found 6/10

$119

jue. 8/211:25 pmLAX - IAD

1 stop6h 25mSouthwest

Deal found 6/10

$121

mié. 7/25:03 pmLAX - IAD

Nonstop4h 57mUnited Airlines

Deal found 6/11

$143

vie. 8/811:55 pmLAX - IAD

1 stop9h 06mSun Country Air

Deal found 6/11

$153

jue. 7/312:09 pmLAX - IAD

2 stops22h 47mAllegiant Air

Deal found 6/11

$173

mar. 8/1212:45 amLAX - IAD

1 stop7h 16mAmerican Airlines

Deal found 6/11

$179

jue. 6/1912:50 amLAX - IAD

1 stop7h 32mDelta

Deal found 6/12

$259

Cheapflights Fare Finder

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

lun. 6/30

11:01 pm-6:53 am

Nonstop4h 52m

Washington, D.C. Dulles Intl

mar. 7/1

10:16 pm-12:45 am

Nonstop5h 29m

$197

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

mar. 8/12

8:20 am-4:25 pm

Nonstop5h 05m

Washington, D.C. Dulles Intl

mar. 8/19

8:19 pm-10:48 pm

Nonstop5h 29m

$202

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

mié. 7/2

1:00 pm-10:45 pm

1 stop6h 45m

Washington, D.C. Dulles Intl

sáb. 7/5

6:30 am-4:00 pm

1 stop12h 30m

$204

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

mar. 8/5

6:00 am-7:19 pm

1 stop10h 19m

Washington, D.C. Dulles Intl

vie. 8/15

8:19 pm-10:48 pm

Nonstop5h 29m

$211

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

mar. 7/8

3:48 pm-6:34 am

1 stop11h 46m

Washington, D.C. Dulles Intl

lun. 7/14

7:30 am-12:08 pm

1 stop7h 38m

$225

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

mié. 8/6

8:20 am-4:25 pm

Nonstop5h 05m

Washington, D.C. Dulles Intl

lun. 8/25

6:10 am-12:07 pm

1 stop8h 57m

$244

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

lun. 7/14

11:59 pm-12:31 pm

1 stop9h 32m

Washington, D.C. Dulles Intl

jue. 7/17

6:05 am-10:41 pm

1 stop19h 36m

$285

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

mar. 8/12

8:20 am-4:25 pm

Nonstop5h 05m

$111

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

mié. 7/23

11:20 am-11:08 am

1 stop20h 48m

$112

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

mié. 8/13

3:48 pm-6:34 am

1 stop11h 46m

$113

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results

The best insider tips for Los Angeles to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Los Angeles to Washington, D.C. Dulles Intl Airport trip

Airlines

Ethiopian Air

Ethiopian's Cloud 9 offers lie-flat beds on select aircraft for superior comfort.

Ethiopian's ShebaSkyConnect Wi-Fi is available on A350, B777, and most B787 aircraft.

Read more about Ethiopian Airby Paul Rubio

United Airlines

United's Economy Plus offers extra legroom, enhancing comfort for a reasonable price.

United's Polaris Lounges at IAD offer showers and dining, ideal for relaxation.

Read more about United Airlinesby Harriet Baskas

Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, ideal for added comfort.

Alaska's Wi-Fi is a flat fee, perfect for staying productive during flights.

Read more about Alaska Airlinesby Robert Schrader

Airports

LAX

For shorter security lines, consider using the Tom Bradley International Terminal, especially during morning and midday hours.

IAD

The Washington Metro Silver Line reaches IAD in under 40 minutes, offering a cheap way to get to the city.

Our travel experts

Paul Rubio

Expert on Ethiopian Air

Harriet Baskas

Expert on United Airlines

Robert Schrader

Expert on Alaska Airlines

Ramsey Qubein

Expert on LAX and IAD

Best time to book a flight from Los Angeles to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Los Angeles with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Los Angeles to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport?

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Los Angeles to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAX to IAD?

When flying from Los Angeles to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 36% versus a flight at noon.

What is the cheapest day to fly from Los Angeles to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Los Angeles to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Los Angeles to Washington, D.C. Dulles Intl Airport

The most flights from LAX to IAD are scheduled on a Thursday (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Alaska Airlines, Southwest and Delta from Los Angeles to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,287 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,950 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.9

Good

2,494 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,790 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What airport do you fly from for flights from Los Angeles to Washington, D.C. Dulles Intl?
Most people fly from Los Angeles (LAX) if they book a flight from Los Angeles to Washington, D.C. Dulles Intl. On average, Los Angeles has 25 outbound flights to Washington, D.C. Dulles Intl per day from 8 airlines. Los Angeles is conveniently located just 9.4 mi from Los Angeles’s city center.
What are the cheapest airlines flying from Los Angeles to Washington, D.C. Dulles Intl Airport round-trip?
Currently priced at $197, United Airlines will fly you from Los Angeles to Washington, D.C. Dulles Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Southwest - these airlines can fly you to your destination from $202 and $204, respectively. You may be able to fly from Los Angeles to Washington, D.C. Dulles Intl Airport for 48% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Los Angeles to Washington, D.C. Dulles Intl Airport one-way?
To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $111. Frontier flights start at $113 while deals on Hawaiian Airlines start at $119 one-way.
What are the most reliable airlines from Los Angeles to Washington, D.C. Dulles Intl Airport?
No one likes to see their flight delayed. When booking a flight from Los Angeles to Washington, D.C. Dulles Intl Airport consider choosing Iberia (100%), Air China (95%) or Egyptair (93%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Los Angeles to Washington, D.C. Dulles Intl Airport?
While on average a flight from Los Angeles to Washington, D.C. Dulles Intl Airport is generally $1,084, our data shows the cheapest flight currently is $113. When looking at the most popular route, (Los Angeles - Washington, D.C. Dulles Intl), you can expect to pay $181 for that flight.
Can I find deals for flights from Los Angeles to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Los Angeles to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Los Angeles to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Los Angeles to Dulles Intl.
Can I find deals for business class flights from Los Angeles to Dulles Intl?
Yes. Cheapflights offers flight deals from Los Angeles to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Arlington

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Woodbridge

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Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Falls Church

Easton

Herndon

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Reston

National Harbor

Springfield

Manassas

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Top 8 airlines flying from Los Angeles to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$110	Average$235	FlexibilityNo cancel fee	On-time65%
Hawaiian Airlines	Cheapest$113	Average$308	FlexibilityNo cancel fee	On-time85%
Frontier	Cheapest$128	Average$215	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$183	Average$467	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$206	Average$351	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$226	Average$401	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$297	Average$516	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$356	Average$466	FlexibilityNo cancel fee	On-time71%

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$111+ Cheap flights from Los Angeles (LAX) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Los Angeles to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Los Angeles to Washington, D.C. Dulles Intl are usually found in May or August, booked 81 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Los Angeles to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Los Angeles to Dulles Intl

Cheapest flights from Los Angeles to Dulles IntlExplore the most affordable flight options available from Los Angeles to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Explore the most affordable flight options available from Los Angeles to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Los Angeles to Washington, D.C. Dulles Intl Airport that are best for you.

The best insider tips for Los Angeles to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Los Angeles to Washington, D.C. Dulles Intl Airport trip

Airlines

Ethiopian Air

United Airlines

Alaska Airlines

Airports

LAX

IAD

Our travel experts

Best time to book a flight from Los Angeles to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Los Angeles with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Los Angeles to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Los Angeles to Dulles Intl. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to fly from LAX to IAD?

Find hourly flight availability from Los Angeles to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

What is the cheapest day to fly from Los Angeles to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Los Angeles to Dulles Intl. Price data was last updated on June 8, 2025.

Weekly flight availability from Los Angeles to Washington, D.C. Dulles Intl Airport

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Alaska Airlines, Southwest and Delta from Los Angeles to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Los Angeles to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Los Angeles to Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Los Angeles to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest airlines to fly from Los Angeles to Washington, D.C. Dulles Intl Airport one-way?

What are the most reliable airlines from Los Angeles to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from Los Angeles to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Los Angeles to Dulles Intl that include hotel bookings?

How can I find direct flights from Los Angeles to Dulles Intl?

Can I find deals for business class flights from Los Angeles to Dulles Intl?

What is the cheapest month to book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport?

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Alternative routes for Los Angeles to Dulles Intl

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Top 8 airlines flying from Los Angeles to Dulles Intl

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Cheapest flights from Los Angeles to Dulles Intl
Explore the most affordable flight options available from Los Angeles to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.