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$241+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CUZ
févr. 13 — févr. 201
ven. 2/13
ven. 2/20
1 adult, Economy
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Cheap 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 janvier 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Ovago
2 stars

Round-trip from

$524
(Avianca)

One-way from

$241
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$618
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Cusco Velazco Astete flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Cusco Velazco Astete flights.
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From Washington, D.C. Dulles Intl to Cusco Velazco Astete
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One-way flight from Washington, D.C. Dulles Intl to Cusco Velazco Astete
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Highest demand for flights based on searches. 12% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($82 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 janvier 14, 2026.

This Avianca deal was found by Cheapflights users on 1/13. 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.
lun. 6/83:25 pm
IAD
-
CUZ
1 stop20h 35m
Avianca
mar. 7/74:45 pm
CUZ
-
IAD
1 stop11h 50m
Avianca
Deal found 1/13$524
This Priceline deal was found by Cheapflights users on 1/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 3/74:15 pm
IAD
-
CUZ
2 stops19h 05m
Avianca
mer. 3/1112:25 pm
CUZ
-
IAD
2 stops28h 30m
Avianca
Deal found 1/12$527
This Priceline deal was found by Cheapflights users on 1/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 3/64:15 pm
IAD
-
CUZ
2 stops19h 05m
Avianca
jeu. 3/125:10 pm
CUZ
-
IAD
2 stops34h 00m
Avianca
Deal found 1/13$537
This Trip.com deal was found by Cheapflights users on 1/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/303:25 pm
IAD
-
CUZ
2 stops16h 55m
Multiple Airlines
ven. 4/36:50 am
CUZ
-
IAD
2 stops45h 45m
Multiple Airlines
Deal found 1/14$571
This Trip.com deal was found by Cheapflights users on 1/13. 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.
ven. 2/275:45 am
IAD
-
CUZ
2 stops14h 36m
Multiple Airlines
ven. 3/611:02 am
CUZ
-
IAD
2 stops41h 23m
Multiple Airlines
Deal found 1/13$573
This Trip.com deal was found by Cheapflights users on 1/13. 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.
sam. 3/145:15 pm
IAD
-
CUZ
2 stops28h 11m
Multiple Airlines
dim. 3/229:07 pm
CUZ
-
IAD
2 stops16h 08m
Multiple Airlines
Deal found 1/13$578
This Gotogate deal was found by Cheapflights users on 1/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/225:35 pm
IAD
-
CUZ
2 stops18h 25m
Avianca
mer. 7/812:15 pm
CUZ
-
IAD
2 stops26h 40m
Avianca
Deal found 1/13$579
This Trip.com deal was found by Cheapflights users on 1/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/23:25 pm
IAD
-
CUZ
2 stops16h 10m
Multiple Airlines
lun. 4/611:30 am
CUZ
-
IAD
2 stops41h 05m
Multiple Airlines
Deal found 1/14$583
This Priceline deal was found by Cheapflights users on 1/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 4/175:35 pm
IAD
-
CUZ
2 stops18h 25m
Avianca
lun. 4/274:45 pm
CUZ
-
IAD
2 stops34h 35m
Avianca
Deal found 1/14$586
This Expedia deal was found by Cheapflights users on 1/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 2/274:15 pm
IAD
-
CUZ
2 stops43h 05m
Avianca
ven. 3/612:25 pm
CUZ
-
IAD
1 stop24h 50m
Avianca
Deal found 1/13$592

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 janvier 14, 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

Dulles Intl

Fly to

Cuzco

Route

Depart

Return

Price

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

jeu. 4/16

3:25 pm-11:00 am

1 stop20h 35m

Cusco Velazco Astete

dim. 4/19

12:15 pm-5:35 am

1 stop16h 20m

$524

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

ven. 3/6

2:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

jeu. 3/12

5:10 pm-2:15 pm

1 stop20h 05m

$524

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

lun. 6/8

3:25 pm-11:00 am

1 stop20h 35m

Cusco Velazco Astete

mar. 7/7

4:45 pm-5:35 am

1 stop11h 50m

$524

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

sam. 3/7

4:15 pm-11:20 am

2 stops19h 05m

Cusco Velazco Astete

mer. 3/11

12:25 pm-5:55 pm

2 stops28h 30m

$527

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

ven. 3/13

6:45 am-11:20 am

1 stop29h 35m

Cusco Velazco Astete

jeu. 3/19

5:10 pm-5:25 am

1 stop11h 15m

$564

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

lun. 6/22

5:35 pm-11:00 am

2 stops18h 25m

Cusco Velazco Astete

mer. 7/8

12:15 pm-3:55 pm

2 stops26h 40m

$579

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

ven. 2/27

4:15 pm-11:20 am

2 stops43h 05m

Cusco Velazco Astete

ven. 3/6

12:25 pm-1:15 pm

1 stop24h 50m

$592

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

jeu. 5/28

5:35 pm-11:00 am

2 stops18h 25m

Cusco Velazco Astete

dim. 6/7

5:00 am-12:09 am

2 stops18h 09m

$608

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

lun. 6/22

5:45 am-11:05 am

3 stops30h 20m

Cusco Velazco Astete

mer. 7/8

12:15 pm-3:55 pm

2 stops26h 40m

$614

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

mar. 3/31

3:25 pm-1:30 pm

2 stops23h 05m

Cusco Velazco Astete

dim. 4/5

2:05 pm-5:35 am

2 stops14h 30m

$615

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 14 results
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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 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 Ovago the most. Ovago 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, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cusco (average of $78). Flying from Washington, D.C. Dulles Intl Airport to Cusco in December is currently the most expensive (average of $1,067). 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?

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 janvier 14, 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
7.5
Good
1,904 reviews

Boarding

7.6

Overall

7.5

Food

6.7

Entertainment

7.0

Comfort

7.3

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP
LATAM Airlines
7.5
Good
1,904 reviews
LATAM Airlines
7.5
Good
1,904 reviews

Boarding

7.6

Overall

7.5

Food

6.7

Entertainment

7.0

Comfort

7.3

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP
Avianca
6.6
Okay
2,489 reviews
LATAM Airlines
7.5
Good
1,904 reviews

Boarding

7.6

Overall

7.5

Food

6.7

Entertainment

7.0

Comfort

7.3

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP

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 Avianca fly from Washington, D.C. Dulles Intl Airport to Cusco in about 20h 35m. The time it takes to get you to your destination can typically vary by up to . Washington, D.C. Dulles Intl Airport and Cusco are separated by a distance of 3641 mi.

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

    According to our current data, Avianca ($372), and LATAM Airlines ($506) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Cusco. Avianca is priced at 52% 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, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cusco (average of $78). Flying from Washington, D.C. Dulles Intl Airport to Cusco in December is currently the most expensive (average of $1,067). 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.

See more FAQs

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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 janvier 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$372Average$654FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$506Average$828FlexibilityNo cancel feeOn-time81%

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