What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Cusco Velazco Astete?

LATAM Airlines is the most popular carrier operating from Washington, D.C. Dulles Intl to Cusco Velazco Astete

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Cusco Velazco Astete Airport?

Prices for flights from Washington, D.C. Dulles Intl Airport to Cusco Velazco Astete Airport refresh daily.

What documentation or ID do you need to fly to Cusco Velazco Astete Airport?

The necessary travel and health documents for your Cusco Velazco Astete Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$295 Cheap Flights from Washington, D.C. Dulles Intl Airport to Cusco in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Cusco

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:50 am - 8:35 pm

IAD

CUZ

38h 45m

2 stops

10:45 am - 2:15 pm

CUZ

IAD

26h 30m

2 stops

$587Multiple Airlines

Mon, Oct 19 - Thu, Oct 22

6:45 am - 8:05 am

IAD

CUZ

26h 20m

2 stops

3:10 pm - 2:15 pm

CUZ

IAD

22h 05m

2 stops

$588Multiple Airlines

Mon, Oct 26 - Fri, Oct 30

3:35 pm - 11:20 am

IAD

CUZ

20h 45m

1 stop

5:10 pm - 4:30 am

CUZ

IAD

11h 20m

1 stop

$595Avianca

Thu, Oct 29 - Wed, Nov 4

5:15 pm - 11:20 am

IAD

CUZ

19h 05m

2 stops

12:25 pm - 5:30 am

CUZ

IAD

16h 05m

1 stop

$596Avianca

Mon, Oct 26 - Fri, Oct 30

3:35 pm - 11:20 am

IAD

CUZ

20h 45m

1 stop

5:10 pm - 5:30 am

CUZ

IAD

11h 20m

1 stop

$608Avianca

Mon, Oct 26 - Fri, Oct 30

2:35 pm - 11:20 am

IAD

CUZ

20h 45m

1 stop

12:25 pm - 2:55 pm

CUZ

IAD

26h 30m

2 stops

$617Avianca

Sun, Nov 8 - Sun, Nov 15

6:50 am - 7:50 pm

IAD

CUZ

38h 00m

2 stops

9:10 pm - 5:20 am

CUZ

IAD

31h 10m

2 stops

$618Multiple Airlines

Sat, Sep 19 - Sat, Sep 26

6:50 am - 8:30 pm

IAD

CUZ

14h 40m

2 stops

1:30 pm - 5:20 am

CUZ

IAD

38h 50m

2 stops

$620Multiple Airlines

Tue, Sep 1 - Sun, Sep 6

6:50 am - 6:10 am

IAD

CUZ

24h 20m

2 stops

11:55 am - 5:20 am

CUZ

IAD

40h 25m

2 stops

$628Multiple Airlines

Sat, Aug 15 - Wed, Aug 19

6:50 am - 8:30 pm

IAD

CUZ

14h 40m

2 stops

9:10 pm - 3:55 pm

CUZ

IAD

17h 45m

2 stops

$639Multiple Airlines

Wed, Aug 19 - Mon, Aug 24

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LATAM Airlines flights from Washington, D.C. Dulles Intl Airport to Cusco

Our best LATAM Airlines deals on Washington, D.C. Dulles Intl Airport to Cusco flight tickets

LATAM Airlines

Oct 26

IAD4:44 pmWashington, D.C. Dulles Intl

22h 41m

2 stops

CUZ2:25 pmCusco Velazco Astete

Oct 30

CUZ5:00 amCusco Velazco Astete

28h 05m

2 stops

IAD10:05 amWashington, D.C. Dulles Intl

$642

LATAM Airlines

Nov 9

IAD4:00 pmWashington, D.C. Dulles Intl

16h 35m

2 stops

CUZ8:35 amCusco Velazco Astete

Nov 12

CUZ8:00 pmCusco Velazco Astete

15h 52m

2 stops

IAD11:52 amWashington, D.C. Dulles Intl

$665

LATAM Airlines

Sep 12

IAD6:26 pmWashington, D.C. Dulles Intl

31h 34m

2 stops

CUZ1:00 amCusco Velazco Astete

Sep 21

CUZ10:05 pmCusco Velazco Astete

34h 05m

2 stops

IAD9:10 amWashington, D.C. Dulles Intl

$711

Avianca flights from Washington, D.C. Dulles Intl Airport to Cusco

Our best Avianca deals on Washington, D.C. Dulles Intl Airport to Cusco flight tickets

Avianca

Oct 29

IAD3:35 pmWashington, D.C. Dulles Intl

20h 45m

1 stop

CUZ11:20 amCusco Velazco Astete

Nov 4

CUZ5:10 pmCusco Velazco Astete

11h 20m

1 stop

IAD4:30 amWashington, D.C. Dulles Intl

$595

Avianca

Oct 26

IAD5:15 pmWashington, D.C. Dulles Intl

19h 05m

2 stops

CUZ11:20 amCusco Velazco Astete

Oct 30

CUZ12:25 pmCusco Velazco Astete

16h 05m

1 stop

IAD5:30 amWashington, D.C. Dulles Intl

$596

Avianca

Oct 26

IAD3:35 pmWashington, D.C. Dulles Intl

20h 45m

1 stop

CUZ11:20 amCusco Velazco Astete

Oct 30

CUZ5:10 pmCusco Velazco Astete

11h 20m

1 stop

IAD5:30 amWashington, D.C. Dulles Intl

$608

momondo Fare Finder

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

Mon 10/19

6:50 am-8:35 pm

2 stops38h 45m

Cusco Velazco Astete

Thu 10/22

10:45 am-2:15 pm

2 stops26h 30m

$587

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Mon 10/26

6:45 am-8:05 am

2 stops26h 20m

Cusco Velazco Astete

Fri 10/30

3:10 pm-2:15 pm

2 stops22h 05m

$588

Quickest round-trip

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Thu 10/29

3:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Wed 11/4

5:10 pm-4:30 am

1 stop11h 20m

$595

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Mon 10/26

5:15 pm-11:20 am

2 stops19h 05m

Cusco Velazco Astete

Fri 10/30

12:25 pm-5:30 am

1 stop16h 05m

$596

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Mon 10/26

3:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Fri 10/30

5:10 pm-5:30 am

1 stop11h 20m

$608

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 11/8

2:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Sun 11/15

12:25 pm-2:55 pm

2 stops26h 30m

$617

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sat 9/19

6:50 am-7:50 pm

2 stops38h 00m

Cusco Velazco Astete

Sat 9/26

9:10 pm-5:20 am

2 stops31h 10m

$618

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Tue 9/1

6:50 am-8:30 pm

2 stops14h 40m

Cusco Velazco Astete

Sun 9/6

1:30 pm-5:20 am

2 stops38h 50m

$620

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sat 8/15

6:50 am-6:10 am

2 stops24h 20m

Cusco Velazco Astete

Wed 8/19

11:55 am-5:20 am

2 stops40h 25m

$628

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Wed 8/19

6:50 am-8:30 pm

2 stops14h 40m

Cusco Velazco Astete

Mon 8/24

9:10 pm-3:55 pm

2 stops17h 45m

$639

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Cusco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Cusco?

In general, November is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Cusco. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $375. If you aren’t able to travel to Cusco during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $523.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Cusco flights?

You could potentially save up to 8% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Cusco flight.

When to book flights from Washington, D.C. Dulles Intl Airport to Cusco

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Cusco according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Cusco (IAD to CUZ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Cusco

Fastest flight time	14h 05m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to Cusco takes 14h 05m

There are no direct flights from Washington, D.C. Dulles Intl Airport to Cusco. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Cusco.

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Cusco

How far is Washington, D.C. Dulles Intl to Cusco Velazco Astete by plane?
The straight-line distance from Washington, D.C. Dulles Intl to Cusco Velazco Astete is 3640.8 mi. Flights usually cover this in 14h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Cusco Velazco Astete Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Cusco Velazco Astete Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Cusco Velazco Astete Airport?
There are 2 operators available for flights from Washington, D.C. Dulles Intl Airport to Cusco Velazco Astete Airport as of July 2026.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Cusco Velazco Astete Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Cusco Velazco Astete Airport.
What documentation or ID do you need to fly to Cusco Velazco Astete Airport?
The necessary travel and health documents for your Cusco Velazco Astete Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Cusco?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Dulles Intl Airport to Cusco is Avianca (62% of total bookings). The next most popular airline is LATAM Airlines (38%).

Best airlines flying from Washington, D.C. Dulles Intl Airport to Cusco

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Cusco with momondo

Airline	Rating	Free Cancellation	Price
Avianca	PriceFrom $369	Free Cancellation	Rating 6.5 2,520 reviews		Search Avianca flights
LATAM Airlines	PriceFrom $602	Free Cancellation	Rating 7.4 1,949 reviews		Search LATAM Airlines flights

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Why should I use momondo to find a flight deal from Washington, D.C. to Cusco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cusco from Washington, D.C..

Can I find flights from Washington, D.C. to Cusco with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Cusco from Washington, D.C. with this policy.

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Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cusco from Washington, D.C..

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Yes. momondo can track prices for Washington, D.C. to Cusco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.