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Cheap flights from Washington, D.C. Dulles Intl Airport to Cusco from $206

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Cusco departing on 3/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Cusco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:35 pm - 10:26 am
IAD
-
CUZ
18h 51m
2 stops
Multiple Airlines Logo
7:12 am - 12:32 am
CUZ
-
IAD
16h 20m
2 stops
$461Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Avianca Logo
3:25 pm - 11:00 am
IAD
-
CUZ
20h 35m
1 stop
Avianca Logo
12:15 pm - 5:35 am
CUZ
-
IAD
16h 20m
1 stop
$520Avianca
Wed, Apr 15 - Sun, Apr 26
Avianca Logo
2:35 pm - 11:20 am
IAD
-
CUZ
20h 45m
1 stop
Avianca Logo
5:10 pm - 5:25 am
CUZ
-
IAD
11h 15m
1 stop
$521Avianca
Fri, Mar 6 - Thu, Mar 12
Multiple Airlines Logo
7:00 am - 1:30 pm
IAD
-
CUZ
31h 30m
2 stops
Multiple Airlines Logo
2:05 pm - 2:00 pm
CUZ
-
IAD
22h 55m
2 stops
$522Multiple Airlines
Fri, May 8 - Sun, May 17
Avianca Logo
2:35 pm - 11:20 am
IAD
-
CUZ
20h 45m
1 stop
Avianca Logo
5:10 pm - 5:25 am
CUZ
-
IAD
11h 15m
1 stop
$523Avianca
Thu, Mar 5 - Thu, Mar 12
Avianca Logo
3:25 pm - 11:00 am
IAD
-
CUZ
20h 35m
1 stop
Avianca Logo
4:45 pm - 5:35 am
CUZ
-
IAD
11h 50m
1 stop
$524Avianca
Mon, Jun 8 - Tue, Jul 7
Avianca Logo
5:35 pm - 11:00 am
IAD
-
CUZ
18h 25m
2 stops
Avianca Logo
4:45 pm - 2:00 pm
CUZ
-
IAD
20h 15m
1 stop
$525Avianca
Mon, Jun 8 - Tue, Jul 7
Avianca Logo
4:15 pm - 11:20 am
IAD
-
CUZ
19h 05m
2 stops
Avianca Logo
12:25 pm - 3:55 pm
CUZ
-
IAD
26h 30m
2 stops
$527Avianca
Sat, Feb 28 - Sun, Mar 8
Avianca Logo
5:35 pm - 11:00 am
IAD
-
CUZ
18h 25m
2 stops
Avianca Logo
12:15 pm - 3:55 pm
CUZ
-
IAD
26h 40m
2 stops
$529Avianca
Sun, Apr 19 - Wed, Apr 29
Multiple Airlines Logo
3:35 pm - 10:46 am
IAD
-
CUZ
19h 11m
2 stops
Multiple Airlines Logo
8:57 pm - 2:40 am
CUZ
-
IAD
28h 43m
3 stops
$536Multiple Airlines
Thu, Mar 5 - Thu, Mar 12

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
Apr 15
IAD3:25 pmWashington, D.C. Dulles Intl
20h 35m
1 stop
CUZ11:00 amCusco Velazco Astete
Apr 26
CUZ12:15 pmCusco Velazco Astete
16h 20m
1 stop
IAD5:35 amWashington, D.C. Dulles Intl
$520
Avianca
Mar 6
IAD2:35 pmWashington, D.C. Dulles Intl
20h 45m
1 stop
CUZ11:20 amCusco Velazco Astete
Mar 12
CUZ5:10 pmCusco Velazco Astete
11h 15m
1 stop
IAD5:25 amWashington, D.C. Dulles Intl
$521
Avianca
Mar 5
IAD2:35 pmWashington, D.C. Dulles Intl
20h 45m
1 stop
CUZ11:20 amCusco Velazco Astete
Mar 12
CUZ5:10 pmCusco Velazco Astete
11h 15m
1 stop
IAD5:25 amWashington, D.C. Dulles Intl
$523

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Cusco 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, momondo users made 832,500 searches. Data last updated January 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

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Thu 3/5

3:35 pm-10:26 am

2 stops18h 51m

Cusco Velazco Astete

Thu 3/12

7:12 am-12:32 am

2 stops16h 20m

$461

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Wed 4/15

3:25 pm-11:00 am

1 stop20h 35m

Cusco Velazco Astete

Sun 4/26

12:15 pm-5:35 am

1 stop16h 20m

$520

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Fri 3/6

2:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Thu 3/12

5:10 pm-5:25 am

1 stop11h 15m

$521

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Fri 5/8

7:00 am-1:30 pm

2 stops31h 30m

Cusco Velazco Astete

Sun 5/17

2:05 pm-2:00 pm

2 stops22h 55m

$522

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Thu 3/5

2:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Thu 3/12

5:10 pm-5:25 am

1 stop11h 15m

$523

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Mon 6/8

3:25 pm-11:00 am

1 stop20h 35m

Cusco Velazco Astete

Tue 7/7

4:45 pm-5:35 am

1 stop11h 50m

$524

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Mon 6/8

5:35 pm-11:00 am

2 stops18h 25m

Cusco Velazco Astete

Tue 7/7

4:45 pm-2:00 pm

1 stop20h 15m

$525

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sat 2/28

4:15 pm-11:20 am

2 stops19h 05m

Cusco Velazco Astete

Sun 3/8

12:25 pm-3:55 pm

2 stops26h 30m

$527

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 4/19

5:35 pm-11:00 am

2 stops18h 25m

Cusco Velazco Astete

Wed 4/29

12:15 pm-3:55 pm

2 stops26h 40m

$529

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Thu 3/5

3:35 pm-10:46 am

2 stops19h 11m

Cusco Velazco Astete

Thu 3/12

8:57 pm-2:40 am

3 stops28h 43m

$536

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cusco from

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

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Cusco?

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 March is also cheap. Prices for this month can be found on momondo for an average of $599.

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

You could potentially save up to 58% 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

15h 05m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Cusco takes 15h 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

  • 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 15h 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?

  • 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?

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
AviancaPriceFrom $372Free CancellationRating
6.6
2,496 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $506Free CancellationRating
7.5
1,912 reviews
Search LATAM Airlines flights

Traveling to a place near Cusco?

Book flights to Cusco if you plan to visit one of these locations
Machu Picchu
Urubamba
Ollantaytambo

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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.

How can momondo help me find flights from Washington, D.C. to Cusco?

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..

I’m not ready to book a flight from Washington, D.C. to Cusco right now. Can momondo alert me if prices change?

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.

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