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Cuzco

$257+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CUZ
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
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 November 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$525
(Avianca)

One-way from

$257
(Avianca)

Popular in

December

Cheapest in

November

Average price

$375
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. 14% potential increase in price ($128 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 November 2025
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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 November 18, 2025.

This Expedia deal was found by Cheapflights users on 11/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/292:35 pmIAD - CUZ
1 stop20h 45mAvianca
Fri 12/512:25 pmCUZ - IAD
1 stop24h 50mAvianca
Deal found 11/15$594
This Gotogate deal was found by Cheapflights users on 11/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/292:35 pmIAD - CUZ
1 stop20h 45mMultiple Airlines
Fri 12/58:30 pmCUZ - IAD
2 stops24h 29mMultiple Airlines
Deal found 11/15$619
This Priceline deal was found by Cheapflights users on 11/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/192:35 pmIAD - CUZ
1 stop20h 45mAvianca
Wed 11/2612:25 pmCUZ - IAD
2 stops28h 30mAvianca
Deal found 11/18$656
This FlightHub deal was found by Cheapflights users on 11/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/292:35 pmIAD - CUZ
1 stop20h 45mAvianca
Sat 12/65:10 pmCUZ - IAD
1 stop11h 15mAvianca
Deal found 11/17$658
This FlightHub deal was found by Cheapflights users on 11/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/295:59 pmIAD - CUZ
2 stops15h 26mLATAM Airlines
Thu 12/412:05 amCUZ - IAD
2 stops24h 07mLATAM Airlines
Deal found 11/15$665
This Travelocity deal was found by Cheapflights users on 11/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:45 amIAD - CUZ
1 stop29h 35mMultiple Airlines
Tue 11/2512:05 amCUZ - IAD
2 stops24h 11mMultiple Airlines
Deal found 11/18$701
This Trip.com deal was found by Cheapflights users on 11/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:15 pmIAD - CUZ
2 stops23h 50mMultiple Airlines
Mon 12/229:40 pmCUZ - IAD
2 stops28h 00mMultiple Airlines
Deal found 11/17$742
This Trip.com deal was found by Cheapflights users on 11/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:15 pmIAD - CUZ
2 stops23h 50mMultiple Airlines
Tue 12/239:45 pmCUZ - IAD
3 stops26h 25mMultiple Airlines
Deal found 11/17$750

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 November 18, 2025.
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

Thu 1/29

4:30 am-7:26 am

3 stops26h 56m

Cusco Velazco Astete

Mon 2/9

7:32 am-1:15 pm

2 stops29h 43m

$560

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sat 11/29

2:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Fri 12/5

8:30 pm-8:59 pm

2 stops24h 29m

$619

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sat 1/10

2:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Thu 1/15

5:10 pm-4:55 pm

2 stops23h 45m

$649

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Thu 1/29

3:00 am-11:20 am

2 stops32h 20m

Cusco Velazco Astete

Mon 2/9

5:10 pm-1:15 pm

1 stop20h 05m

$660

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sat 11/29

5:59 pm-9:25 am

2 stops15h 26m

Cusco Velazco Astete

Thu 12/4

12:05 am-12:12 am

2 stops24h 07m

$665

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 1/25

2:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Thu 1/29

5:10 pm-1:15 pm

1 stop20h 05m

$685

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 1/25

7:49 pm-10:45 am

2 stops14h 56m

Cusco Velazco Astete

Thu 1/29

7:35 am-12:24 am

2 stops16h 49m

$691

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 2/15

3:00 am-11:20 am

2 stops32h 20m

Cusco Velazco Astete

Wed 2/25

12:25 pm-1:15 pm

1 stop24h 50m

$696

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sat 1/10

2:35 pm-11:20 am

1 stop20h 45m

$257

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sat 1/10

12:33 pm-6:05 pm

2 stops29h 32m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

Showing 1-10 of 11 results
1
2
  • 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, 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.

What is the cheapest time of day to fly from IAD to CUZ?

Find hourly flight availability from Dulles Intl to Cuzco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 18, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Cusco is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 34% on airfare.

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 November 18, 2025.
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
1,878 reviews

Crew

8.0

Comfort

7.4

Food

6.7

Overall

7.5

Boarding

7.6

Entertainment

7.0

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
1,878 reviews
LATAM Airlines
7.5
Good
1,878 reviews

Crew

8.0

Comfort

7.4

Food

6.7

Overall

7.5

Boarding

7.6

Entertainment

7.0

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
2,475 reviews
LATAM Airlines
7.5
Good
1,878 reviews

Crew

8.0

Comfort

7.4

Food

6.7

Overall

7.5

Boarding

7.6

Entertainment

7.0

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.

  • 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 ($579) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Cusco. Avianca is priced at 51% 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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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 November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$372Average$653FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$579Average$777FlexibilityNo cancel feeOn-time81%

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