$246 Cheap Delta flights Washington (IAD) to Cusco (CUZ)

Landing cheap one-way Delta Air Lines flights from IAD to CUZ from $246 on Expedia is a cinch — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $535 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

February is one of the most affordable months to fly to Cusco with Delta Air Lines. You could also find great prices on one-way and round-trip fares in January.

Landing the best Delta Air Lines deals from IAD to CUZ often comes down to booking at the right moment. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. What’s more, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is often the most expensive day to book.* It’s a good idea to start searching for flights about one month before you plan to travel.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Fill in your dates, click search and use the “Nonstop” filter on Expedia to browse any direct flights from IAD to CUZ with Delta Air Lines or another carrier.

Browse Delta Air Lines’s earliest flights from IAD to CUZ by selecting the “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Catch a Delta Air Lines flight from Washington Dulles Intl. Airport (IAD) to Cusco, and you’ll likely land at Alejandro Velasco Astete Intl. Airport (CUZ). This is the airline’s main hub here.

Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a popular option for many passengers flying from IAD to CUZ. What’s more, if you’re a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

In most cases, you can reschedule or cancel your flight, although there may be a charge if you booked over 24 hours ago. Need flexible options? Use Expedia’s “No cancel fee” or “Changes included” filter to find flights that won’t charge extra if you have to adjust your plans. To update your booking, visit “Trips,” select your flight and click on “Manage Booking” for more details.