In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cusco to Washington, D.C. Dulles Intl Airport as you normally would.

Most accurate provider : When it comes to deals on Cusco-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cusco-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cusco-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Cusco-Washington, D.C. Dulles Intl Airport 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 Cusco-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Cusco Velazco Astete (CUZ), located 1.7 mi from the city center, is the airport you fly out of when you book flights from Cusco to Washington, D.C. Dulles Intl. 0 airlines have flights from Velazco Astete to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Cusco Velazco Astete to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

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

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

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

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

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

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

$302+ Flights from Cusco to Washington, D.C. Dulles Intl Airport

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1. Tell us where you want to go

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2. Select your favorite providers

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Cheap flight deals from Cuzco to Dulles Intl

Cheapest flights from Cuzco to Dulles Intl
Explore the most affordable flight options available from Cuzco to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

Thu 2/57:30 am

CUZ

IAD

2 stops16h 54m

LATAM Airlines

Mon 2/912:40 pm

IAD

CUZ

2 stops21h 25m

LATAM Airlines

Deal found 1/26

$751

Thu 2/55:10 pm

CUZ

IAD

1 stop11h 15m

Avianca

Mon 2/95:45 am

IAD

CUZ

1 stop29h 35m

Avianca

Deal found 1/26

$788

Last-minute flights from Cuzco to Dulles Intl
Discover last-minute flight deals from Cuzco to Dulles Intl. Data last updated January 27, 2026 and is based on user searches.

Thu 2/57:30 am

CUZ

IAD

2 stops16h 54m

LATAM Airlines

Mon 2/912:40 pm

IAD

CUZ

2 stops21h 25m

LATAM Airlines

Deal found 1/26

$751

Thu 2/55:10 pm

CUZ

IAD

1 stop11h 15m

Avianca

Mon 2/95:45 am

IAD

CUZ

1 stop29h 35m

Avianca

Deal found 1/26

$788

One-way flights from Cuzco to Dulles Intl
Search for one-way flight options from Cuzco to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated January 27, 2026.

Sun 6/2812:15 pm

CUZ

IAD

1 stop16h 20m

Avianca

Deal found 1/26

$302

Sun 6/2810:05 pm

CUZ

IAD

2 stops38h 55m

Multiple Airlines

Deal found 1/26

$303

Sun 5/319:45 pm

CUZ

IAD

3 stops29h 35m

Multiple Airlines

Deal found 1/26

$305

Sun 4/124:50 pm

CUZ

IAD

2 stops20h 10m

Multiple Airlines

Deal found 1/26

$308

Sat 5/3011:30 am

CUZ

IAD

3 stops27h 25m

Multiple Airlines

Deal found 1/26

$312

Sat 4/1112:50 pm

CUZ

IAD

2 stops24h 10m

Multiple Airlines

Deal found 1/26

$328

Sat 6/274:45 pm

CUZ

IAD

1 stop11h 50m

Avianca

Deal found 1/26

$375

Fri 6/2612:05 am

CUZ

IAD

3 stops32h 05m

LATAM Airlines

Deal found 1/25

$382

Find flight deals from Cuzco to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars

Provider with most accurate pricing for Cusco Velazco Astete-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Cusco Velazco Astete-Washington, D.C. Dulles Intl flights.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cusco to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Sun 6/28

12:15 pm-5:35 am

1 stop16h 20m

$302

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Sun 5/31

9:45 pm-4:20 am

3 stops29h 35m

$305

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Sat 6/27

9:40 pm-5:35 am

2 stops30h 55m

$308

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Sun 4/12

4:50 pm-2:00 pm

2 stops20h 10m

$308

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Sat 5/30

11:30 am-3:55 pm

3 stops27h 25m

$312

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Sat 4/11

12:50 pm-2:00 pm

2 stops24h 10m

$328

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Sat 6/27

4:45 pm-5:35 am

1 stop11h 50m

$375

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Fri 6/26

12:05 am-9:10 am

3 stops32h 05m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Compare providers for flights from Cuzco to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cuzco to Dulles Intl in January.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*2 stars
Expedia	Price Accuracy1 star	Trust 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 Cusco-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cusco-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cusco-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Cusco-Washington, D.C. Dulles Intl Airport 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 Cusco-Washington, D.C. Dulles Intl Airport 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 Cuzco to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Cuzco 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.

Related info for your journey

What airport do you fly from for flights from Cusco to Washington, D.C. Dulles Intl?
Cusco Velazco Astete (CUZ), located 1.7 mi from the city center, is the airport you fly out of when you book flights from Cusco to Washington, D.C. Dulles Intl. 0 airlines have flights from Velazco Astete to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Cusco Velazco Astete to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.
Can I find deals for flights from Cuzco to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Cuzco to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Cuzco to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cuzco to Dulles Intl.
Can I find deals for business class flights from Cuzco to Dulles Intl?
Yes. Cheapflights offers flight deals from Cuzco to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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$302+ Cheap flights from Cusco (CUZ) to Dulles Intl (IAD)

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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Cuzco to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Cuzco to Dulles Intl

Cheapest flights from Cuzco to Dulles IntlExplore the most affordable flight options available from Cuzco to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

Explore the most affordable flight options available from Cuzco to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

Find flight deals from Cuzco to Dulles Intl

Most accurate provider

Most trusted provider

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cusco to Washington, D.C. Dulles Intl Airport that are best for you.

Compare providers for flights from Cuzco to Dulles Intl

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 Cuzco to Dulles Intl in January.

Best time to book a flight from Cuzco to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Cuzco with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Cuzco to Dulles Intl. 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 from for flights from Cusco to Washington, D.C. Dulles Intl?

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

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cuzco to Dulles Intl

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Travel Smart

Cheapest flights from Cuzco to Dulles Intl
Explore the most affordable flight options available from Cuzco to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.