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Cheap flights from Cusco to Washington, D.C. from $259

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cusco to Washington, D.C. departing on 11/1. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
8:25 am - 12:51 am
CUZ
-
IAD
15h 26m
2 stops
LATAM Airlines Logo
12:29 pm - 10:00 am
IAD
-
CUZ
22h 31m
2 stops
$601LATAM Airlines
Wed, Jun 3 - Sun, Jun 7
LATAM Airlines Logo
5:00 am - 12:51 am
CUZ
-
IAD
18h 51m
2 stops
LATAM Airlines Logo
7:14 pm - 2:50 pm
IAD
-
CUZ
20h 36m
2 stops
$625LATAM Airlines
Wed, Jun 3 - Sun, Jun 7
LATAM Airlines Logo
5:00 am - 12:51 am
CUZ
-
IAD
18h 51m
2 stops
LATAM Airlines Logo
12:40 pm - 6:10 am
IAD
-
CUZ
18h 30m
2 stops
$645LATAM Airlines
Tue, Jun 2 - Wed, Jun 3
Avianca Logo
5:10 pm - 5:20 am
CUZ
-
IAD
11h 10m
1 stop
Avianca Logo
3:35 pm - 11:20 am
IAD
-
CUZ
20h 45m
1 stop
$739Avianca
Tue, Jun 2 - Wed, Jun 3
Avianca Logo
5:10 pm - 5:20 am
CUZ
-
IAD
11h 10m
1 stop
Avianca Logo
5:35 pm - 11:20 am
IAD
-
CUZ
18h 45m
2 stops
$755Avianca
Tue, Jun 2 - Wed, Jun 3
Avianca Logo
5:10 pm - 5:20 am
CUZ
-
IAD
11h 10m
1 stop
Avianca Logo
3:35 pm - 11:20 am
IAD
-
CUZ
20h 45m
1 stop
$773Avianca
Wed, Jun 3 - Sun, Jun 7
Avianca Logo
5:10 pm - 5:20 am
CUZ
-
IAD
11h 10m
1 stop
Avianca Logo
5:35 pm - 11:20 am
IAD
-
CUZ
18h 45m
2 stops
$789Avianca
Wed, Jun 3 - Sun, Jun 7
Multiple Airlines Logo
12:05 am - 11:48 am
CUZ
-
IAD
34h 43m
2 stops
Multiple Airlines Logo
5:45 am - 11:20 am
IAD
-
CUZ
30h 35m
2 stops
$871Multiple Airlines
Thu, Jun 18 - Fri, Jun 26
Avianca Logo
5:10 pm - 5:20 am
CUZ
-
IAD
11h 10m
1 stop
Avianca Logo
3:35 pm - 11:20 am
IAD
-
CUZ
20h 45m
1 stop
$893Avianca
Wed, Jun 3 - Sun, Jun 7
Avianca Logo
5:10 pm - 5:20 am
CUZ
-
IAD
11h 10m
1 stop
Avianca Logo
5:35 pm - 11:20 am
IAD
-
CUZ
18h 45m
2 stops
$908Avianca
Wed, Jun 3 - Sun, Jun 7

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

Our best Avianca deals on Cusco to Washington, D.C. Dulles Intl Airport flight tickets
Avianca
Jun 2
CUZ5:10 pmCusco Velazco Astete
11h 10m
1 stop
IAD5:20 amWashington, D.C. Dulles Intl
Jun 3
IAD3:35 pmWashington, D.C. Dulles Intl
20h 45m
1 stop
CUZ11:20 amCusco Velazco Astete
$739
Avianca
Jun 2
CUZ5:10 pmCusco Velazco Astete
11h 10m
1 stop
IAD5:20 amWashington, D.C. Dulles Intl
Jun 3
IAD5:35 pmWashington, D.C. Dulles Intl
18h 45m
2 stops
CUZ11:20 amCusco Velazco Astete
$755
Avianca
Jun 3
CUZ5:10 pmCusco Velazco Astete
11h 10m
1 stop
IAD5:20 amWashington, D.C. Dulles Intl
Jun 7
IAD3:35 pmWashington, D.C. Dulles Intl
20h 45m
1 stop
CUZ11:20 amCusco Velazco Astete
$773

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

Our best LATAM Airlines deals on Cusco to Washington, D.C. Dulles Intl Airport flight tickets
LATAM Airlines
Jun 3
CUZ8:25 amCusco Velazco Astete
15h 26m
2 stops
IAD12:51 amWashington, D.C. Dulles Intl
Jun 7
IAD12:29 pmWashington, D.C. Dulles Intl
22h 31m
2 stops
CUZ10:00 amCusco Velazco Astete
$601
LATAM Airlines
Jun 3
CUZ5:00 amCusco Velazco Astete
18h 51m
2 stops
IAD12:51 amWashington, D.C. Dulles Intl
Jun 7
IAD7:14 pmWashington, D.C. Dulles Intl
20h 36m
2 stops
CUZ2:50 pmCusco Velazco Astete
$625
LATAM Airlines
Jun 2
CUZ5:00 amCusco Velazco Astete
18h 51m
2 stops
IAD12:51 amWashington, D.C. Dulles Intl
Jun 3
IAD12:40 pmWashington, D.C. Dulles Intl
18h 30m
2 stops
CUZ6:10 amCusco Velazco Astete
$645

momondo Fare Finder

 
Customize your flight search to find flights from Cusco to Washington, D.C. Dulles Intl Airport 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 May 9, 2026.
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

Cheapest round-trip

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Wed 6/3

8:25 am-12:51 am

2 stops15h 26m

Washington, D.C. Dulles Intl

Sun 6/7

12:29 pm-10:00 am

2 stops22h 31m

$601

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Wed 6/3

5:00 am-12:51 am

2 stops18h 51m

Washington, D.C. Dulles Intl

Sun 6/7

7:14 pm-2:50 pm

2 stops20h 36m

$625

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Tue 6/2

5:00 am-12:51 am

2 stops18h 51m

Washington, D.C. Dulles Intl

Wed 6/3

12:40 pm-6:10 am

2 stops18h 30m

$645

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Tue 6/2

5:10 pm-5:20 am

1 stop11h 10m

Washington, D.C. Dulles Intl

Wed 6/3

3:35 pm-11:20 am

1 stop20h 45m

$739
Quickest round-trip

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Tue 6/2

5:10 pm-5:20 am

1 stop11h 10m

Washington, D.C. Dulles Intl

Wed 6/3

5:35 pm-11:20 am

2 stops18h 45m

$755

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Wed 6/3

5:10 pm-5:20 am

1 stop11h 10m

Washington, D.C. Dulles Intl

Sun 6/7

3:35 pm-11:20 am

1 stop20h 45m

$773

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Wed 6/3

5:10 pm-5:20 am

1 stop11h 10m

Washington, D.C. Dulles Intl

Sun 6/7

5:35 pm-11:20 am

2 stops18h 45m

$789

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Thu 6/18

12:05 am-11:48 am

2 stops34h 43m

Washington, D.C. Dulles Intl

Fri 6/26

5:45 am-11:20 am

2 stops30h 35m

$871

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Wed 6/3

5:10 pm-5:20 am

1 stop11h 10m

Washington, D.C. Dulles Intl

Sun 6/7

3:35 pm-11:20 am

1 stop20h 45m

$893

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Wed 6/3

5:10 pm-5:20 am

1 stop11h 10m

Washington, D.C. Dulles Intl

Sun 6/7

5:35 pm-11:20 am

2 stops18h 45m

$908

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 Washington, D.C. from

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

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

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

You could potentially save up to 2% on your flight if you consider stops on a Cusco to Washington, D.C. Dulles Intl Airport flight.

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

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

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

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

Fastest flight time

29h 48m

Direct flights

None
The fastest flight from Cusco to Washington, D.C. Dulles Intl Airport takes 29h 48m
There are no direct flights from Cusco to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Cusco to Washington, D.C. Dulles Intl Airport.
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Frequently asked questions about flying from Cusco to Washington, D.C. Dulles Intl Airport

  • How far is Cusco Velazco Astete to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from Cusco Velazco Astete to Washington, D.C. Dulles Intl is 3640.8 mi. 29h 48m is a normal flight duration for this route.

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

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

  • How old do you have to be to fly from Cusco Velazco Astete Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cusco Velazco Astete Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Gaithersburg
Colonial Beach
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Sterling
Linthicum Heights
Tysons
Bethesda
Springfield

Why use momondo?

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

Finding the right flight to Washington, D.C. from Cusco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

All flight searches from Cusco to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Cusco to Washington, D.C..

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

Yes. momondo can track prices for Cusco to Washington, D.C. 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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