The cheapest times to fly from IAD to NTL are

  • January 22nd to March 25th (except the week of March 12th)
  • April 9th to May 13th
  • May 28th to June 10th
  • August 6th to October 7th (except the week of September 10th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from IAD to NTL is mid to late September. Prices can be as high as $6242 for Friday flights during late December, or as low as $1430 for Wednesday flights around mid to late September.


When to Fly to Newcastle

Flying from Washington, DC (IAD) to Newcastle (NTL) will usually cost between $1574 to $3071 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $1705. Due to high demand the most expensive time to fly is late December, with an average price of $3391. Planning your trip to low-cost times can easily save you $1685 on economy flights and even more on first-class flights. Generally, any price below $1903 can be considered a good price for a round-trip IAD to NTL flight.

See below for a graph of average weekly prices for the IAD to NTL route. All prices are for round-trip tickets in USD.

IAD to NTL Flight Prices

Compared to other flights, the IAD to NTL flight is more expensive than the average and costs more than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.12, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to NTL, and Tuesday the cheapest day to fly back into IAD. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $362 (16%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $1800. Return trip prices are from the NTL to IAD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from IAD to NTL can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 18 hour 24 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from IAD to NTL while comparing.

Destination alternative #1: Sydney International Airport (SYD) in Sydney

  • 88 miles (142 km) away from NTL
  • Usually 34.31% less expensive than NTL
  • 1-layover flights available

See IAD to SYD flights

Destination alternative #2: Port Macquarie Airport (PQQ) in Port Macquarie

  • 112 miles (180 km) away from NTL
  • Usually 1.31% less expensive than NTL
  • 2-layover flights available

See IAD to PQQ flights


Flight Hacking IAD to NTL

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from IAD to NTL — but Champion Traveler does!

Hack #1: Melbourne (IAD > MEL > NTL)

  • Price for both tickets: $1435
  • Average savings: $468 (24.59%)

See IAD to MEL flights

Hack #2: Brisbane (IAD > BNE > NTL)

  • Price for both tickets: $1464
  • Average savings: $440 (23.1%)

See IAD to BNE flights

Hack #3: Sydney (IAD > SYD > NTL)

  • Price for both tickets: $1491
  • Average savings: $412 (21.65%)

See IAD to SYD flights


Flight Questions Answered

Still have questions about flying from IAD to NTL? We’ve got answers.

Which airlines fly this route?

You can find 11 major airlines flying this route most often: Air Canada, Air New Zealand, Alaska, American, Delta, Emirates, Etihad, Qantas, Singapore Airlines, United, Virgin Australia, and potentially more during busy seasons.

How far away is it from Williamtown Airport to Washington Dulles International Airport?

The distance between the two airports is roughly 9676 miles or 15572 kilometers.

How long does it take to fly from IAD to NTL?

The real-world flight time for a nonstop IAD to NTL flight is about 18 hour 24 minutes.

How many flights go between Washington, DC and Newcastle?

It depends on the day of the week and the date, but a typical day might have around 10 available flights from IAD to NTL.


Airport Location Info


Departing Airport

Origination code IAD
Origination airport name Washington Dulles International Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77.5

Return Airport

Destination code NTL
Destination airport name Williamtown Airport
City Newcastle
Country Australia
Latitude -32.8
Longitude 151.8


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.