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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 7/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
7:50 pm - 11:52 am
CUZ
-
IAD
16h 02m
2 stops
LATAM Airlines Logo
7:50 pm - 5:20 pm
IAD
-
CUZ
21h 30m
2 stops
$534LATAM Airlines
Fri, Nov 6 - Tue, Nov 10
LATAM Airlines Logo
5:00 am - 12:32 am
CUZ
-
IAD
18h 32m
2 stops
LATAM Airlines Logo
7:16 pm - 10:35 am
IAD
-
CUZ
16h 19m
2 stops
$645LATAM Airlines
Thu, Sep 24 - Mon, Sep 28
Avianca Logo
5:10 pm - 4:30 am
CUZ
-
IAD
11h 20m
1 stop
Avianca Logo
2:35 pm - 11:20 am
IAD
-
CUZ
20h 45m
1 stop
$739Avianca
Fri, Nov 6 - Tue, Nov 10
Avianca Logo
5:10 pm - 4:30 am
CUZ
-
IAD
11h 20m
1 stop
Avianca Logo
4:15 pm - 11:20 am
IAD
-
CUZ
19h 05m
2 stops
$755Avianca
Fri, Nov 6 - Tue, Nov 10
Multiple Airlines Logo
7:30 am - 12:41 am
CUZ
-
IAD
16h 11m
2 stops
Multiple Airlines Logo
3:35 pm - 11:20 am
IAD
-
CUZ
20h 45m
1 stop
$850Multiple Airlines
Wed, Jul 8 - Sun, Jul 12
Multiple Airlines Logo
5:00 am - 12:41 am
CUZ
-
IAD
18h 41m
2 stops
Multiple Airlines Logo
5:35 pm - 11:20 am
IAD
-
CUZ
18h 45m
2 stops
$864Multiple Airlines
Wed, Jul 8 - Sun, Jul 12
Multiple Airlines Logo
9:10 pm - 5:20 am
CUZ
-
IAD
31h 10m
3 stops
Multiple Airlines Logo
6:50 am - 10:25 am
IAD
-
CUZ
28h 35m
3 stops
$922Multiple Airlines
Tue, Aug 4 - Tue, Aug 11
Avianca Logo
5:10 pm - 3:55 pm
CUZ
-
IAD
21h 45m
2 stops
Avianca Logo
3:35 pm - 11:20 am
IAD
-
CUZ
20h 45m
1 stop
$930Avianca
Tue, Aug 4 - Tue, Aug 11
Avianca Logo
5:10 pm - 3:55 pm
CUZ
-
IAD
21h 45m
2 stops
Avianca Logo
5:35 pm - 11:20 am
IAD
-
CUZ
18h 45m
2 stops
$940Avianca
Tue, Aug 4 - Tue, Aug 11
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
$947Avianca
Tue, Aug 4 - Tue, Aug 11

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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
Nov 6
CUZ7:50 pmCusco Velazco Astete
16h 02m
2 stops
IAD11:52 amWashington, D.C. Dulles Intl
Nov 10
IAD7:50 pmWashington, D.C. Dulles Intl
21h 30m
2 stops
CUZ5:20 pmCusco Velazco Astete
$534
LATAM Airlines
Sep 24
CUZ5:00 amCusco Velazco Astete
18h 32m
2 stops
IAD12:32 amWashington, D.C. Dulles Intl
Sep 28
IAD7:16 pmWashington, D.C. Dulles Intl
16h 19m
2 stops
CUZ10:35 amCusco Velazco Astete
$645

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
Nov 6
CUZ5:10 pmCusco Velazco Astete
11h 20m
1 stop
IAD4:30 amWashington, D.C. Dulles Intl
Nov 10
IAD2:35 pmWashington, D.C. Dulles Intl
20h 45m
1 stop
CUZ11:20 amCusco Velazco Astete
$739
Avianca
Nov 6
CUZ5:10 pmCusco Velazco Astete
11h 20m
1 stop
IAD4:30 amWashington, D.C. Dulles Intl
Nov 10
IAD4:15 pmWashington, D.C. Dulles Intl
19h 05m
2 stops
CUZ11:20 amCusco Velazco Astete
$755
Avianca
Aug 4
CUZ5:10 pmCusco Velazco Astete
21h 45m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
Aug 11
IAD3:35 pmWashington, D.C. Dulles Intl
20h 45m
1 stop
CUZ11:20 amCusco Velazco Astete
$930

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 June 23, 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

Fri 11/6

7:50 pm-11:52 am

2 stops16h 02m

Washington, D.C. Dulles Intl

Tue 11/10

7:50 pm-5:20 pm

2 stops21h 30m

$534

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Thu 9/24

5:00 am-12:32 am

2 stops18h 32m

Washington, D.C. Dulles Intl

Mon 9/28

7:16 pm-10:35 am

2 stops16h 19m

$645

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Fri 11/6

5:10 pm-4:30 am

1 stop11h 20m

Washington, D.C. Dulles Intl

Tue 11/10

2:35 pm-11:20 am

1 stop20h 45m

$739
Quickest round-trip

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Fri 11/6

5:10 pm-4:30 am

1 stop11h 20m

Washington, D.C. Dulles Intl

Tue 11/10

4:15 pm-11:20 am

2 stops19h 05m

$755

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Wed 7/8

7:30 am-12:41 am

2 stops16h 11m

Washington, D.C. Dulles Intl

Sun 7/12

3:35 pm-11:20 am

1 stop20h 45m

$850

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Wed 7/8

5:00 am-12:41 am

2 stops18h 41m

Washington, D.C. Dulles Intl

Sun 7/12

5:35 pm-11:20 am

2 stops18h 45m

$864

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Tue 8/4

9:10 pm-5:20 am

3 stops31h 10m

Washington, D.C. Dulles Intl

Tue 8/11

6:50 am-10:25 am

3 stops28h 35m

$922

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Tue 8/4

5:10 pm-3:55 pm

2 stops21h 45m

Washington, D.C. Dulles Intl

Tue 8/11

3:35 pm-11:20 am

1 stop20h 45m

$930

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Tue 8/4

5:10 pm-3:55 pm

2 stops21h 45m

Washington, D.C. Dulles Intl

Tue 8/11

5:35 pm-11:20 am

2 stops18h 45m

$940

CuscoWashington, D.C.

CUZ - IAD

CUZIAD

Cusco Velazco Astete

Tue 8/4

5:10 pm-5:20 am

1 stop11h 10m

Washington, D.C. Dulles Intl

Tue 8/11

3:35 pm-11:20 am

1 stop20h 45m

$947

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 3% 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

31h 10m

Direct flights

None
The fastest flight from Cusco to Washington, D.C. Dulles Intl Airport takes 31h 10m
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.
Search flight deals

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. 31h 10m 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Colonial Beach
Linthicum Heights
Rockville
Silver Spring
Towson
Manassas
Sterling
Tysons
Springfield
Fairfax

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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