Which airline has the best punctuality record on Los Angeles to Washington, D.C. flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

What is the most punctual flight time for Los Angeles to Washington, D.C. flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

How often are flights from Los Angeles to Washington, D.C. delayed?

About 10% of weekly flights between Los Angeles and Washington, D.C. have experienced delays in the past year, with the average delay time being 142 minutes.

How long is the flight from Los Angeles to Washington, D.C. Dulles Intl Airport?

There are many flights that can get you from Los Angeles to Washington, D.C. Dulles Intl Airport in 4h 53m. Fly via United Airlines or Alaska Airlines to get the fastest option. There are 2282 mi between Los Angeles and Washington, D.C. Dulles Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

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

The most flights from LAX to IAD are scheduled on a Wednesday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 ITA Airways (98%), Asiana Airlines (93%) or Austrian Airlines (92%) as they are the most reliable in getting you off to your destination on time.

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

Located just 9.4 mi from the city center, Los Angeles Los Angeles is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Los Angeles. Booking flights from Los Angeles (LAX) to Washington, D.C. Dulles Intl should be relatively easy as there are 13 daily outbound flights to Washington, D.C. Dulles Intl from 0 different airlines.

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 holiday 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.

£109+ Cheap Flights from Los Angeles to Washington, D.C. Dulles Intl Airport

Cheap flight deals from Los Angeles to Dulles Intl

Enter your travel dates to find the best prices.

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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 27 August 2026.

Fri 18/921:39 -

Nonstop5h 01m

Sat 19/907:00 -

Nonstop5h 34m

Deal found 27/8£200

Fri 25/922:35 -

Nonstop4h 59m

Sun 27/907:00 -

Nonstop5h 33m

Deal found 26/8£203

Thu 1/1000:59 -

1 stop7h 34m

Sun 11/1007:50 -

2 stops26h 59m

Deal found 24/8£208

Wed 21/1023:30 -

Nonstop4h 51m

Tue 27/1006:39 -

Nonstop5h 52m

Deal found 22/8£209

Thu 22/1023:30 -

Nonstop4h 51m

Sun 25/1006:39 -

Nonstop5h 52m

Deal found 24/8£210

Fri 25/1221:19 -

Nonstop4h 56m

Thu 31/1206:50 -

Nonstop5h 50m

Deal found 23/8£211

Fri 11/900:59 -

1 stop7h 34m

Tue 15/907:50 -

1 stop12h 52m

Deal found 25/8£212

Fri 9/1023:30 -

Nonstop4h 51m

Sun 11/1007:00 -

Nonstop5h 31m

Deal found 23/8£214

Wed 16/921:39 -

Nonstop5h 01m

Fri 18/922:23 -

Nonstop5h 36m

Deal found 24/8£218

Thu 24/921:30 -

Nonstop5h 01m

Tue 29/908:25 -

Nonstop5h 31m

Deal found 23/8£219

Sat 10/1010:54 -

Nonstop5h 03m

Sun 11/1007:00 -

Nonstop5h 31m

Deal found 27/8£221

Sun 18/1021:30 -

Nonstop5h 01m

Mon 26/1006:39 -

Nonstop5h 52m

Deal found 26/8£225

Find flight deals from Los Angeles to Dulles Intl

Round-trip from	£200
One-way from	£109
Popular in	June
Cheapest in	September
Average price	£309

United Airlines
26/9-27/9
Nonstop
10h 23m total
Los Angeles to Washington, D.C.

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United Airlines
31/12
Nonstop
4h 54m total
Los Angeles to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£14 potential increase over avg. return price).

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Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).

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Average for round-trip flights in August 2026

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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.

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Depart

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Cheapest return flight

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Thu 24/9

21:30-05:31

Nonstop5h 01m

Washington, D.C. Dulles Intl

Wed 30/9

08:25-10:56

Nonstop5h 31m

£219

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Sat 3/10

21:10-05:11

Nonstop5h 01m

Washington, D.C. Dulles Intl

Fri 9/10

22:13-00:45

Nonstop5h 32m

£227

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Wed 16/12

21:35-05:24

Nonstop4h 49m

Washington, D.C. Dulles Intl

Tue 29/12

22:25-01:15

Nonstop5h 50m

£234

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Thu 17/9

23:00-06:53

Nonstop4h 53m

Washington, D.C. Dulles Intl

Sun 20/9

07:00-09:34

Nonstop5h 34m

£241

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Wed 16/9

12:45-05:40

1 stop13h 55m

Washington, D.C. Dulles Intl

Mon 21/9

17:57-09:34

1 stop18h 37m

£270

Fastest return journey

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Wed 23/9

23:00-06:53

Nonstop4h 53m

Washington, D.C. Dulles Intl

Mon 28/9

07:00-09:33

Nonstop5h 33m

£270

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Tue 6/10

22:30-06:29

Nonstop4h 59m

Washington, D.C. Dulles Intl

Tue 13/10

07:00-09:33

Nonstop5h 33m

£270

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Sat 10/10

21:10-05:11

Nonstop5h 01m

Washington, D.C. Dulles Intl

Mon 19/10

07:00-09:33

Nonstop5h 33m

£270

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Fri 18/9

22:39-06:38

Nonstop4h 59m

Washington, D.C. Dulles Intl

Fri 25/9

17:45-20:21

Nonstop5h 36m

£285

Los AngelesWashington, D.C.

LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl

LAXIAD

Los Angeles Los Angeles

Sun 4/10

21:30-05:31

Nonstop5h 01m

Washington, D.C. Dulles Intl

Sun 11/10

07:00-09:31

Nonstop5h 31m

£294

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 22 resultsSorted by cheapest first

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.

LAX-IAD

Estimated return 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.

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

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Delays

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, September is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of £278). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of £366). 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 62% versus a flight at midday.

How much does it cost for a return flight from Los Angeles to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Los Angeles to Washington, D.C. Dulles Intl Airport flights typically cost between £211 and £341 in September.
The cheapest return price found within the last 5 days was £200 on United Airlines (18 Sept–19 Sept).

Related info for your journey

What airport do you fly from for flights from Los Angeles to Washington, D.C. Dulles Intl?
Located just 9.4 mi from the city center, Los Angeles Los Angeles is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Los Angeles. Booking flights from Los Angeles (LAX) to Washington, D.C. Dulles Intl should be relatively easy as there are 13 daily outbound flights to Washington, D.C. Dulles Intl from 0 different airlines.
How long is the flight from Los Angeles to Washington, D.C. Dulles Intl Airport?
There are many flights that can get you from Los Angeles to Washington, D.C. Dulles Intl Airport in 4h 53m. Fly via United Airlines or Alaska Airlines to get the fastest option. There are 2282 mi between Los Angeles and Washington, D.C. Dulles Intl Airport. Both multi-stop and direct flights can be found to your destination and back.
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 ITA Airways (98%), Asiana Airlines (93%) or Austrian Airlines (92%) as they are the most reliable in getting you off to your destination on time.
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 holiday 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, September is the cheapest month in which you can book a flight from Los Angeles to Washington, D.C. Dulles Intl Airport (average of £278). Flying from Los Angeles to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of £366). 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.

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When you search for this flight from Los Angeles to Dulles Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Los Angeles to Dulles Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Los Angeles to Dulles Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Los Angeles to Dulles Intl with no change fees?

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Cheap flights from Los Angeles to Washington, D.C. Dulles Intl Airport from £109

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 17/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 27 August 2026.

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 27 August 2026.

Best flights from Los Angeles to Dulles IntlDiscover carefully curated flight deals from Los Angeles to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 August 2026.

Discover carefully curated flight deals from Los Angeles to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 August 2026.

Direct flights from Los Angeles to Dulles IntlExplore direct flight options from Los Angeles to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 August 2026.

Explore direct flight options from Los Angeles to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 August 2026.

Last-minute flights from Los Angeles to Dulles IntlDiscover last-minute flight deals from Los Angeles to Dulles Intl. Data last updated 27 August 2026 and is based on user searches.

Discover last-minute flight deals from Los Angeles to Dulles Intl. Data last updated 27 August 2026 and is based on user searches.

One-way flights from Los Angeles to Dulles IntlSearch for one-way flight options from Los Angeles to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 27 August 2026.

Search for one-way flight options from Los Angeles to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 27 August 2026.

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

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

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?

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 62% versus a flight at midday.

How much does it cost for a return flight from Los Angeles to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Los Angeles to Washington, D.C. Dulles Intl Airport flights typically cost between £211 and £341 in September.The cheapest return price found within the last 5 days was £200 on United Airlines (18 Sept–19 Sept).

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

The most flights from LAX to IAD are scheduled on a Wednesday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

How often are flights from Los Angeles to Washington, D.C. delayed?

About 10% of weekly flights between Los Angeles and Washington, D.C. have experienced delays in the past year, with the average delay time being 142 minutes.

What is the most punctual flight time for Los Angeles to Washington, D.C. flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Los Angeles to Washington, D.C. flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

Related info for your journey

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

How long is the flight from Los Angeles to Washington, D.C. Dulles Intl Airport?

What are the most reliable airlines 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?

Travelling to a place near Washington, D.C. Dulles Intl Airport?

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Complete your trip

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Other flights to Dulles Intl

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Los Angeles and Dulles Intl flights

Browse other Los Angeles and Dulles Intl flight options. Last updated on 27 August 2026.

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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 27 August 2026.

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 stopovers in mind to ensure you get the best travel experience. Data last updated 27 August 2026.

Direct flights from Los Angeles to Dulles Intl
Explore direct flight options from Los Angeles to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 August 2026.

Last-minute flights from Los Angeles to Dulles Intl
Discover last-minute flight deals from Los Angeles to Dulles Intl. Data last updated 27 August 2026 and is based on user searches.

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 27 August 2026.

Los Angeles to Washington, D.C. Dulles Intl Airport flights typically cost between £211 and £341 in September.
The cheapest return price found within the last 5 days was £200 on United Airlines (18 Sept–19 Sept).