฿9,385 Cheap Flights from Washington (IAD) to Cusco (CUZ)

View ฿9,385 flight on Thu, 2 Apr 2026Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Alejandro Velasco Astete Intl. Airport (CUZ)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Washington (IAD) to Cusco (CUZ)

Prices were available within the past 7 days and start at ฿9,385 for one-way flights and ฿18,665 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

avianca
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿18,665 Return, found 2 days ago
฿18,665
Return
found 2 days ago
Select avianca flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿18,665 found 2 days ago
avianca
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿20,585 Return, found 2 days ago
฿20,585
Return
found 2 days ago
Select avianca flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿20,585 found 2 days ago
avianca
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿21,160 Return, found 2 days ago
฿21,160
Return
found 2 days ago
Select avianca flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿21,160 found 2 days ago
avianca
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿21,635 Return, found 2 days ago
฿21,635
Return
found 2 days ago
Select avianca flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿21,635 found 2 days ago
avianca
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿22,510 Return, found 2 days ago
฿22,510
Return
found 2 days ago
Select avianca flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿22,510 found 2 days ago
avianca
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿24,430 Return, found 2 days ago
฿24,430
Return
found 2 days ago
Select avianca flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿24,430 found 2 days ago
Delta
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿25,485 Return, found 2 days ago
฿25,485
Return
found 2 days ago
Select Delta flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿25,485 found 2 days ago
avianca
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿26,715 Return, found 2 days ago
฿26,715
Return
found 2 days ago
Select avianca flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿26,715 found 2 days ago
Delta
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿28,540 Return, found 2 days ago
฿28,540
Return
found 2 days ago
Select Delta flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿28,540 found 2 days ago
Delta
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿29,330 Return, found 2 days ago
฿29,330
Return
found 2 days ago
Select Delta flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿29,330 found 2 days ago
Delta
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿29,510 Return, found 2 days ago
฿29,510
Return
found 2 days ago
Select Delta flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿29,510 found 2 days ago
Delta
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿29,765 Return, found 2 days ago
฿29,765
Return
found 2 days ago
Select Delta flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿29,765 found 2 days ago
avianca
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿29,785 Return, found 2 days ago
฿29,785
Return
found 2 days ago
Select avianca flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿29,785 found 2 days ago
LATAM Airlines Group
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿29,830 Return, found 2 days ago
฿29,830
Return
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿29,830 found 2 days ago
avianca
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿30,560 Return, found 2 days ago
฿30,560
Return
found 2 days ago
Select avianca flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿30,560 found 2 days ago
Delta
Thu, 2 Apr - Fri, 10 Apr
IAD
Washington
CUZ
Cusco
฿30,955 Return, found 2 days ago
฿30,955
Return
found 2 days ago
Select Delta flight, departing Thu, 2 Apr from Washington to Cusco, returning Fri, 10 Apr, priced at ฿30,955 found 2 days ago

Find the cheapest month to fly from Washington (IAD) to Cusco (CUZ)

March is typically the cheapest month to fly

From ฿14,431 - ฿24,013 per traveller.
Flight from Washington to Cusco route information
Origin airport
Washington Dulles Intl.
Destination airport
Alejandro Velasco Astete Intl.
Return price
฿18,665
Distance
5830 km

Perfect flights from Washington to Cusco

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Cusco. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Washington Dulles Intl. to Alejandro Velasco Astete Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿9,385 and roundtrip prices from ฿18,665. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Alejandro Velasco Astete Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Cusco.

Frequently asked questions

How much is a flight from Dulles Intl. Airport to Alejandro Velasco Astete Intl. Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey from Dulles Intl. Airport to Alejandro Velasco Astete Intl. Airport was ฿18,665. Cheap fares don't last long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAD to CUZ?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to Alejandro Velasco Astete Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Washington Dulles Intl. Airport (IAD) to Alejandro Velasco Astete Intl. Airport (CUZ) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Dulles Intl. Airport to Alejandro Velasco Astete Intl. Airport (CUZ)?
The distance is around 5,900 kilometres, so fill your carry-on luggage with all the items you need to make the long journey comfortable. Not sure what to take on board your Chantilly to Cusco flight? A travel pillow, earplugs and a sleep mask are a few essentials.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Alejandro Velasco Astete Intl. Airport (CUZ)?
Unfortunately, there aren't any airlines that directly fly between Washington Dulles Intl. Airport (IAD) and CUZ. You'll need to book a flight with one or more stops.
Are IAD to Alejandro Velasco Astete Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Dulles Intl. Airport to CUZ can be hit-or-miss. You may be able to score a great bargain, but you could also miss out completely! If you'd prefer to start planning early, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines advertise their prices so far in advance. Our suggestion? Check back often as prices are updated regularly.

Explore a world of travel with Expedia

*Available to Expedia members.