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Cuzco

$298+ 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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CUZ
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
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 May 21, 2026.

This Trip.com deal was found by Cheapflights users on 5/16. 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 9/26:50 am
IAD
-
CUZ
2 stops25h 20m
Multiple Airlines
Wed 9/98:00 am
CUZ
-
IAD
2 stops29h 15m
Multiple Airlines
Deal found 5/16$590
This Avianca deal was found by Cheapflights users on 5/20. 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.
Thu 7/23:35 pm
IAD
-
CUZ
1 stop20h 45m
Avianca
Tue 7/145:10 pm
CUZ
-
IAD
1 stop11h 10m
Avianca
Deal found 5/20$595
This Avianca deal was found by Cheapflights users on 5/20. 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.
Tue 6/25:35 pm
IAD
-
CUZ
2 stops18h 45m
Avianca
Fri 6/125:10 pm
CUZ
-
IAD
1 stop11h 10m
Avianca
Deal found 5/20$596
This Trip.com deal was found by Cheapflights users on 5/18. 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 9/236:50 am
IAD
-
CUZ
2 stops26h 15m
Multiple Airlines
Mon 9/2811:55 am
CUZ
-
IAD
2 stops25h 20m
Multiple Airlines
Deal found 5/18$600
This Mytrip deal was found by Cheapflights users on 5/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:50 am
IAD
-
CUZ
2 stops30h 15m
Multiple Airlines
Thu 6/1811:05 pm
CUZ
-
IAD
2 stops29h 15m
Multiple Airlines
Deal found 5/18$611
This Trip.com deal was found by Cheapflights users on 5/19. 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.
Fri 6/53:35 pm
IAD
-
CUZ
2 stops17h 10m
Multiple Airlines
Mon 6/86:05 pm
CUZ
-
IAD
2 stops34h 15m
Multiple Airlines
Deal found 5/19$612
This Gotogate deal was found by Cheapflights users on 5/17. 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.
Tue 7/286:50 am
IAD
-
CUZ
1 stop29h 30m
Avianca
Mon 8/35:10 pm
CUZ
-
IAD
1 stop11h 10m
Avianca
Deal found 5/17$615
This Avianca deal was found by Cheapflights users on 5/17. 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.
Tue 5/263:35 pm
IAD
-
CUZ
1 stop20h 45m
Avianca
Tue 6/95:10 pm
CUZ
-
IAD
1 stop20h 05m
Avianca
Deal found 5/17$621
This Avianca deal was found by Cheapflights users on 5/19. 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 6/63:35 pm
IAD
-
CUZ
1 stop20h 45m
Avianca
Sat 6/135:10 pm
CUZ
-
IAD
1 stop11h 10m
Avianca
Deal found 5/19$624

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 May 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$590
(Trip.com)

One-way from

$298
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$748
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. 2% potential increase in price ($15 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 May 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 May 21, 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 - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Thu 7/2

3:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Tue 7/14

5:10 pm-5:20 am

1 stop11h 10m

$595
Quickest round-trip

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Tue 6/2

5:35 pm-11:20 am

2 stops18h 45m

Cusco Velazco Astete

Fri 6/12

5:10 pm-5:20 am

1 stop11h 10m

$596

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Tue 6/2

3:35 pm-12:10 pm

2 stops21h 35m

Cusco Velazco Astete

Fri 6/12

12:00 pm-5:20 am

2 stops16h 20m

$632

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Fri 6/5

3:35 pm-6:30 am

2 stops15h 55m

Cusco Velazco Astete

Mon 6/8

10:30 pm-5:20 am

2 stops29h 50m

$639

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Wed 6/10

6:50 am-11:20 am

1 stop29h 30m

Cusco Velazco Astete

Thu 6/18

5:10 pm-5:20 am

1 stop11h 10m

$643

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Mon 6/8

5:35 pm-11:20 am

2 stops18h 45m

Cusco Velazco Astete

Tue 7/7

5:10 pm-3:55 pm

2 stops21h 45m

$659

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Fri 6/5

5:35 pm-11:20 am

2 stops18h 45m

Cusco Velazco Astete

Thu 6/11

5:10 pm-5:20 am

1 stop11h 10m

$687

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 5/31

6:08 am-1:00 am

2 stops19h 52m

Cusco Velazco Astete

Tue 6/16

8:35 am-11:39 am

2 stops26h 04m

$704
Cheapest one-way

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 6/7

4:38 pm-9:05 pm

2 stops29h 27m

$298

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 5/31

2:21 am-6:25 am

2 stops29h 04m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

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 May.
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 $375). 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?

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 May 21, 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
1,921 reviews

Comfort

7.3

Food

6.7

Overall

7.4

Boarding

7.5

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
LATAM Airlines
7.4
Good
1,921 reviews
LATAM Airlines
7.4
Good
1,921 reviews

Comfort

7.3

Food

6.7

Overall

7.4

Boarding

7.5

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
Avianca
6.5
Okay
2,529 reviews
LATAM Airlines
7.4
Good
1,921 reviews

Comfort

7.3

Food

6.7

Overall

7.4

Boarding

7.5

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

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 45m. 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 ($369), and LATAM Airlines ($602) 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 $375). 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.

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 May 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$369Average$686FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$602Average$793FlexibilityNo cancel feeOn-time81%

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