The cheapest times to fly from TUN to IAD are

  • January 8th to February 4th
  • March 5th to June 3rd (except the weeks of March 12th, April 9th, and May 14th)
  • September 17th to December 9th

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 TUN to IAD is early October. Prices can be as high as $1076 for Saturday flights during mid to late August, or as low as $648 for Sunday flights around early October.


When to Fly to Washington

Flying from Tunis (TUN) to Washington, DC (IAD) will usually cost between $650 to $870 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early October with an average ticket price of $653. Due to high demand the most expensive time to fly is mid to late August, with an average price of $879. Planning your trip to low-cost times can easily save you $226 on economy flights and even more on first-class flights. Generally, any price below $669 can be considered a good price for a round-trip TUN to IAD flight.

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

TUN to IAD Flight Prices

Compared to other flights, the TUN to IAD flight is cheaper than the average and costs about as much as the average flight leaving from Tunis. The average price per mile (for a direct flight) is $0.09, which is far below average.


Flight Prices by Day of the Week

Sunday is usually the cheapest day to fly to IAD, and Wednesday the cheapest day to fly back into TUN. Saturdays 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 $73 (7%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Sunday and returning a week later will cost an average of $687. Return trip prices are from the IAD to TUN 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 TUN to IAD can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 13 minutes may not be realistic.


Flight Hacking TUN to IAD

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 TUN to IAD — but Champion Traveler does!

Hack #1: Amsterdam (TUN > AMS > IAD)

  • Price for both tickets: $668
  • Average savings: $1 (0.07%)

See TUN to flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 13 major airlines flying this route most often: Air Canada, Air France, Air Malta, Alitalia, Brussels Airlines, Delta, EgyptAir, Kenya Airways, KLM, Lufthansa, Royal Air Maroc, Turkish Airlines, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 4579 miles or 7369 kilometers.

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

The real-world flight time for a nonstop TUN to IAD flight is about 9 hour 13 minutes.

How many flights go between Tunis and Washington, DC?

It depends on the day of the week and the date, but a typical day might have around 44 available flights from TUN to IAD.


Airport Location Info


Departing Airport

Origination codeTUN
Origination airport nameCarthage Airport

Return Airport

Destination codeIAD
Destination airport nameWashington Dulles International Airport
CityWashington, DC
Countrythe United States


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.