What is the cheapest month to book a flight from Johannesburg Lanseria Airport to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Johannesburg Lanseria Airport to Washington, D.C. (average of $241). Flying from Johannesburg Lanseria Airport to Washington, D.C. in March is currently the most expensive (average of $290). 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.

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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).

How far in advance should I book a flight from Johannesburg Lanseria Airport to Washington, D.C.?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 45 days in advance, which can save you up to 8% on flights from Johannesburg Lanseria Airport to Washington, D.C. compared to booking the week you need them. Waiting 45 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $961. For sooner than that we have options available in the next 3 days from $961.

What is the cheapest month to fly from Johannesburg Lanseria Airport to Washington, D.C.?

Flights from Johannesburg Lanseria Airport to Washington, D.C. lean towards being more expensive in August. Prices are generally better when you fly from Johannesburg Lanseria Airport to Washington, D.C. in February, with the cheapest ticket starting at $826.

What is the cheapest time of day to fly from HLA to WAS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Johannesburg Lanseria Airport to Washington, D.C. as you normally would.

Can I find deals for flights from Lanseria to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Lanseria to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Lanseria to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lanseria to Washington, D.C..

Can I find deals for business class flights from Lanseria to Washington, D.C.?

Yes. Cheapflights offers flight deals from Lanseria to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$716+ Flights from Johannesburg Lanseria Airport to Washington, D.C.

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Cheap flight deals from Lanseria to Washington, D.C.

Round-trip from	$1,263 (Travelwings)
One-way from	$716 (Trip.com)
Popular in	August
Cheapest in	February
Average price	$1,053

From Johannesburg Lanseria to Washington, D.C. (WAS)

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One-way flight from Johannesburg Lanseria to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 9% potential increase in price ($107 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Cheapest flights from Lanseria to Washington, D.C.
Explore the most affordable flight options available from Lanseria to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Sat 9/137:50 pmHLA - IAD

3 stops49h 50mMultiple Airlines

Sat 9/209:00 pmIAD - HLA

3 stops41h 55mMultiple Airlines

Deal found 7/30

$1,263

Best flights from Lanseria to Washington, D.C.
Discover carefully curated flight deals from Lanseria to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Sat 9/137:50 pmHLA - IAD

3 stops49h 50mMultiple Airlines

Sat 9/209:00 pmIAD - HLA

3 stops41h 55mMultiple Airlines

Deal found 7/30

$1,263

Last-minute flights from Lanseria to Washington, D.C.
Discover last-minute flight deals from Lanseria to Washington, D.C.. Data last updated July 31, 2025 and is based on user searches.

Sat 8/27:00 amHLA - IAD

2 stops31h 40mMultiple Airlines

Wed 8/610:55 amIAD - HLA

2 stops29h 10mMultiple Airlines

Deal found 7/30

$2,804

One-way flights from Lanseria to Washington, D.C.
Search for one-way flight options from Lanseria to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Fri 11/146:30 amHLA - IAD

3 stops40h 25mMultiple Airlines

Deal found 7/31

$716

Cheapflights Fare Finder

Use the filters below to find and compare flights from Johannesburg Lanseria Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

JohannesburgWashington, D.C.

HLA - IAD

HLAIAD

Johannesburg Lanseria

Sat 9/13

7:50 pm-3:40 pm

3 stops49h 50m

Washington, D.C. Dulles Intl

Sat 9/20

9:00 pm-8:55 pm

3 stops41h 55m

$1,263

JohannesburgWashington, D.C.

HLA - IAD

HLAIAD

Johannesburg Lanseria

Fri 11/14

6:30 am-3:55 pm

3 stops40h 25m

$716

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Lanseria to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Lanseria 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 Johannesburg Lanseria Airport to Washington, D.C.

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Related info for your journey

Can I find deals for flights from Lanseria to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Lanseria to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lanseria to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lanseria to Washington, D.C..
Can I find deals for business class flights from Lanseria to Washington, D.C.?
Yes. Cheapflights offers flight deals from Lanseria to Washington, D.C. 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 Johannesburg Lanseria Airport to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Johannesburg Lanseria Airport to Washington, D.C. (average of $241). Flying from Johannesburg Lanseria Airport to Washington, D.C. in March is currently the most expensive (average of $290). 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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$716+ Cheap flights from Lanseria (HLA) to Washington, D.C. (WAS)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lanseria to Washington, D.C. with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheap flight deals from Lanseria to Washington, D.C.

Round-trip from

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Cheapest in

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Find flight deals from Lanseria to Washington, D.C.

Cheapest flights from Lanseria to Washington, D.C.Explore the most affordable flight options available from Lanseria to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Lanseria to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Johannesburg Lanseria Airport to Washington, D.C. that are best for you.

Best time to book a flight from Lanseria to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Lanseria with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Johannesburg Lanseria Airport to Washington, D.C.

Related info for your journey

Find useful and relevant information for your journey from Lanseria to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Lanseria to Washington, D.C. that include hotel bookings?

How can I find direct flights from Lanseria to Washington, D.C.?

Can I find deals for business class flights from Lanseria to Washington, D.C.?

What is the cheapest month to book a flight from Johannesburg Lanseria Airport to Washington, D.C.?

Traveling to a place near Washington, D.C.?

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Cheapest flights from Lanseria to Washington, D.C.
Explore the most affordable flight options available from Lanseria to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.