$277 Cheap avianca flights Washington (IAD) to Cusco (CUZ)

Landing cheap one-way AVIANCA flights from IAD to CUZ from $277 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $564 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 travel to Cusco with AVIANCA. You could also find great deals on one-way and return fares in January.

Check for AVIANCA flights from IAD to CUZ about one month before you want to go. The cheapest time to book an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of fare class or itinerary, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Travelers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**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.

Select our “Nonstop” filter when looking for direct AVIANCA flights from IAD to CUZ. It’s also a great way to compare other airlines offering the same direct trip.

Sort your results by “Morning” and “Early Morning” to find the earliest flights from IAD to CUZ. Jetting off early means flight cancellations are less likely.**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.

AVIANCA flights from Washington Dulles Intl. Airport (IAD) to Cusco come in to Alejandro Velasco Astete Intl. Airport (CUZ). This is the main entry point to this destination.

For checked luggage, you can take 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches. You can also bring 1 cabin bag in the cabin when flying standard economy from IAD to CUZ with AVIANCA. This carry-on should weigh less than 22 lb and be no larger than 45 inches. Going over these restrictions can mean extra charges, so check AVIANCA’s baggage allowance guidelines before you begin packing.

Travel from IAD to CUZ with AVIANCA and enjoy a host of benefits starting with a rewarding loyalty program. When you book through Expedia as an Avianca LifeMiles and One Key™ member, you can also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee is typically charged if you modify or cancel your booking more than 24 hours after it’s confirmed. To find plane tickets with more flexibility, select our “Changes included” or “No cancel fee” filter while looking for flights. To learn more about changing or canceling your reservation, head to “Trips,” select your flight and tick “Manage Booking.”