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Cuzco

$331+ Cheap flights from Dulles Intl (IAD) to Cusco (CUZ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CUZ
Sep 16 — Sep 231
Wed 9/16
Wed 9/23
1 adult, Economy
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Cheap flight deals from Dulles Intl to Cuzco

Cheapest flights from Dulles Intl to Cuzco
Explore the most affordable flight options available from Dulles Intl to Cuzco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.

This Avianca deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:35 pm -
1 stop20h 45m
Thu 11/265:10 pm -
1 stop20h 05m
Deal found 8/12$595
This Avianca deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:35 pm -
1 stop20h 45m
Wed 10/145:10 pm -
1 stop11h 10m
Deal found 8/15$598
This Avianca deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:35 pm -
1 stop20h 45m
Fri 9/255:10 pm -
1 stop11h 10m
Deal found 8/13$608
This Trip.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:35 pm -
2 stops26h 15m
Thu 11/266:55 am -
2 stops21h 30m
Deal found 8/12$612
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:50 am -
1 stop29h 30m
Fri 11/135:10 pm -
1 stop20h 05m
Deal found 8/14$618
This oojo deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:30 am -
2 stops30h 50m
Thu 11/265:10 pm -
2 stops21h 45m
Deal found 8/12$620
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/203:35 pm -
1 stop20h 45m
Fri 9/255:10 pm -
1 stop11h 10m
Deal found 8/13$623
This Justfly.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:15 pm -
2 stops19h 05m
Sun 11/1512:25 pm -
1 stop16h 00m
Deal found 8/14$625
This Trip.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:50 am -
2 stops15h 15m
Wed 10/78:00 am -
2 stops29h 15m
Deal found 8/13$630

Find flight deals from Dulles Intl to Cuzco

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Cuzco (CUZ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$595
(Avianca)

One-way from

$331
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$910
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Cusco Velazco Astete flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Cusco Velazco Astete flights.
Search Deals
From Washington, D.C. Dulles Intl to Cusco Velazco Astete
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Cusco Velazco Astete
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Cuzco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 17, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Cusco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Cusco

IAD Washington, D.C. Dulles Intl - CUZ Cusco Velazco Astete

IADCUZ

Washington, D.C. Dulles Intl

Mon 9/28

7:17 pm-11:10 am

2 stops16h 53m

Cusco Velazco Astete

Wed 10/14

8:45 am-12:42 am

2 stops14h 57m

$642

Washington, D.C.Cusco

IAD Washington, D.C. Dulles Intl - CUZ Cusco Velazco Astete

IADCUZ

Washington, D.C. Dulles Intl

Wed 1/13

4:00 pm-10:15 am

2 stops18h 15m

Cusco Velazco Astete

Wed 1/20

8:40 am-12:20 am

2 stops15h 40m

$642

Washington, D.C.Cusco

IAD Washington, D.C. Dulles Intl - CUZ Cusco Velazco Astete

IADCUZ

Washington, D.C. Dulles Intl

Wed 11/11

8:40 am-10:15 am

2 stops25h 35m

Cusco Velazco Astete

Wed 11/18

8:40 am-12:39 am

2 stops15h 59m

$642

Washington, D.C.Cusco

IAD Washington, D.C. Dulles Intl - CUZ Cusco Velazco Astete

IADCUZ

Washington, D.C. Dulles Intl

Mon 11/9

5:00 pm-8:35 am

2 stops15h 35m

Cusco Velazco Astete

Wed 11/18

8:40 am-12:39 am

2 stops15h 59m

$642

Washington, D.C.Cusco

IAD Washington, D.C. Dulles Intl - CUZ Cusco Velazco Astete

IADCUZ

Washington, D.C. Dulles Intl

Mon 9/14

5:12 pm-9:30 am

2 stops17h 18m

Cusco Velazco Astete

Wed 9/23

8:35 am-12:41 am

2 stops15h 06m

$642

Washington, D.C.Cusco

IAD Washington, D.C. Dulles Intl - CUZ Cusco Velazco Astete

IADCUZ

Washington, D.C. Dulles Intl

Wed 1/13

2:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Wed 1/20

12:25 pm-1:15 pm

1 stop24h 50m

$678
Quickest round-trip

Washington, D.C.Cusco

IAD Washington, D.C. Dulles Intl - CUZ Cusco Velazco Astete

IADCUZ

Washington, D.C. Dulles Intl

Mon 10/12

5:35 pm-11:20 am

2 stops18h 45m

Cusco Velazco Astete

Mon 10/19

5:10 pm-5:20 am

1 stop11h 10m

$687

Washington, D.C.Cusco

IAD Washington, D.C. Dulles Intl - CUZ Cusco Velazco Astete

IADCUZ

Washington, D.C. Dulles Intl

Sun 12/6

4:30 am-11:20 am

2 stops30h 50m

Cusco Velazco Astete

Thu 12/24

5:10 pm-4:25 am

1 stop11h 15m

$714

Washington, D.C.Cusco

IAD Washington, D.C. Dulles Intl - CUZ Cusco Velazco Astete

IADCUZ

Washington, D.C. Dulles Intl

Mon 9/14

5:12 pm-10:30 am

2 stops18h 18m

Cusco Velazco Astete

Sat 9/19

8:35 am-12:41 am

2 stops15h 06m

$719

Washington, D.C.Cusco

IAD Washington, D.C. Dulles Intl - CUZ Cusco Velazco Astete

IADCUZ

Washington, D.C. Dulles Intl

Thu 9/10

12:26 pm-9:55 am

2 stops22h 29m

Cusco Velazco Astete

Fri 9/18

8:25 am-12:41 am

2 stops15h 16m

$719

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Cuzco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Cuzco in August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Cusco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Cusco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Cusco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Cusco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Cusco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Cuzco

Have a flexible travel schedule? Discover the best time to fly to Cuzco from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Cusco

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Cusco?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cusco (average of $369). Flying from Washington, D.C. Dulles Intl Airport to Cusco in December is currently the most expensive (average of $1,238). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Cusco?

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Cusco flights typically cost between $744 and $950 in November.
The cheapest round-trip price found within the last 5 days was $595 on Avianca (Nov 11-Nov 26).

Reviews of airlines servicing Cuzco

Get insights into the airlines that provide service to Cuzco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cuzco. Reviews last updated August 17, 2026.
See what other customers who have flown with LATAM Airlines and Avianca from Washington, D.C. Dulles Intl Airport to Cusco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.4
Good
1,986 reviews

Crew

8.0

Entertainment

7.0

Comfort

7.3

Food

6.7

Boarding

7.5

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

COR - LIM

Always a great service. Better than Delta or American Airlines
LATAM Airlines
7.4
Good
1,986 reviews
LATAM Airlines
7.4
Good
1,986 reviews

Crew

8.0

Entertainment

7.0

Comfort

7.3

Food

6.7

Boarding

7.5

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

COR - LIM

Always a great service. Better than Delta or American Airlines
Avianca
6.5
Okay
2,540 reviews
LATAM Airlines
7.4
Good
1,986 reviews

Crew

8.0

Entertainment

7.0

Comfort

7.3

Food

6.7

Boarding

7.5

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

COR - LIM

Always a great service. Better than Delta or American Airlines

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Cuzco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cusco from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Cusco, you will be flying into Velazco Astete. Cusco Velazco Astete (CUZ) is just 1.7 mi from the center of the city. Velazco Astete is the only Cusco airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 2 airlines have flights to Cusco Velazco Astete from Washington, D.C. Dulles Intl on a regular basis.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Cusco?

    Airlines like Delta and LATAM Airlines fly from Washington, D.C. Dulles Intl Airport to Cusco in about 16h 53m. The time it takes to get you to your destination can typically vary by up to 1h 22m. Washington, D.C. Dulles Intl Airport and Cusco are separated by a distance of 3641 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Cusco round-trip?

    According to our current data, Avianca ($369), and LATAM Airlines ($603) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Cusco. Avianca is priced at 49% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Dulles Intl to Cuzco that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Cuzco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Cuzco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Cuzco.

  • Can I find deals for business class flights from Dulles Intl to Cuzco?

    Yes. Cheapflights offers flight deals from Dulles Intl to Cuzco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Cusco?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cusco (average of $369). Flying from Washington, D.C. Dulles Intl Airport to Cusco in December is currently the most expensive (average of $1,238). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Dulles Intl to Cuzco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Dulles Intl to Cuzco

Discover the top 2 airlines that operate flights from Dulles Intl to Cuzco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$380Average$686FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$603Average$753FlexibilityNo cancel feeOn-time81%

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