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Cheap flights from Washington, D.C. to Cusco from $251

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. to Cusco departing on 1/28. 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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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:15 pm - 9:05 pm
IAD
-
CUZ
28h 50m3 stops
Multiple Airlines Logo
9:02 pm - 3:55 pm
CUZ
-
IAD
17h 53m2 stops
$506Multiple Airlines
Thu, Mar 19 - Wed, Mar 25
Multiple Airlines Logo
6:45 am - 9:05 pm
IAD
-
CUZ
15h 20m2 stops
Multiple Airlines Logo
7:05 am - 5:35 am
CUZ
-
IAD
21h 30m2 stops
$521Multiple Airlines
Fri, Mar 27 - Sun, Apr 5
Avianca Logo
3:25 pm - 11:00 am
IAD
-
CUZ
20h 35m1 stop
Avianca Logo
4:45 pm - 2:00 pm
CUZ
-
IAD
20h 15m1 stop
$524Avianca
Mon, Jun 8 - Tue, Jul 7
Avianca Logo
2:35 pm - 11:20 am
IAD
-
CUZ
20h 45m1 stop
Avianca Logo
5:10 pm - 12:10 am
CUZ
-
IAD
31h 00m3 stops
$525Avianca
Thu, Jan 22 - Tue, Jan 27
Avianca Logo
4:15 pm - 11:20 am
IAD
-
CUZ
19h 05m2 stops
Avianca Logo
5:10 pm - 12:10 am
CUZ
-
IAD
31h 00m3 stops
$527Avianca
Thu, Jan 22 - Tue, Jan 27
Multiple Airlines Logo
5:45 am - 6:25 am
IAD
-
CUZ
25h 40m3 stops
Multiple Airlines Logo
4:45 pm - 5:35 am
CUZ
-
IAD
11h 50m1 stop
$529Multiple Airlines
Thu, May 14 - Thu, May 21
LATAM Airlines Logo
7:35 pm - 6:40 pm
DCA
-
CUZ
24h 05m2 stops
LATAM Airlines Logo
12:05 am - 11:39 pm
CUZ
-
DCA
22h 34m2 stops
$603LATAM Airlines
Wed, Apr 1 - Thu, Apr 9
LATAM Airlines Logo
12:05 pm - 10:45 am
DCA
-
CUZ
23h 40m2 stops
LATAM Airlines Logo
7:50 pm - 6:20 pm
CUZ
-
DCA
21h 30m3 stops
$613LATAM Airlines
Thu, Jun 11 - Sun, Jun 28
LATAM Airlines Logo
2:55 pm - 11:35 am
DCA
-
CUZ
21h 40m2 stops
LATAM Airlines Logo
9:45 am - 2:05 pm
CUZ
-
DCA
27h 20m2 stops
$623LATAM Airlines
Mon, May 25 - Sat, May 30
LATAM Airlines Logo
1:45 pm - 9:25 am
DCA
-
CUZ
20h 40m2 stops
LATAM Airlines Logo
6:55 pm - 2:08 pm
CUZ
-
DCA
18h 13m2 stops
$633LATAM Airlines
Thu, Mar 19 - Wed, Mar 25

American Airlines flights from Washington, D.C. to Cusco

Our best American Airlines deals on Washington, D.C. to Cusco flight tickets
American Airlines
Jun 8
BWI6:36 pmBaltimore/Washington
16h 43m
2 stops
CUZ10:19 amCusco Velazco Astete
Jul 7
CUZ10:02 pmCusco Velazco Astete
19h 21m
2 stops
BWI6:23 pmBaltimore/Washington
$941
American Airlines
Mar 25
BWI7:22 pmBaltimore/Washington
16h 04m
2 stops
CUZ10:26 amCusco Velazco Astete
Apr 1
CUZ10:00 pmCusco Velazco Astete
19h 32m
2 stops
BWI6:32 pmBaltimore/Washington
$1,017
American Airlines
Jul 6
BWI6:36 pmBaltimore/Washington
16h 45m
2 stops
CUZ10:21 amCusco Velazco Astete
Jul 15
CUZ10:32 pmCusco Velazco Astete
18h 51m
2 stops
BWI6:23 pmBaltimore/Washington
$1,065

LATAM Airlines flights from Washington, D.C. to Cusco

Our best LATAM Airlines deals on Washington, D.C. to Cusco flight tickets
LATAM Airlines
Apr 1
DCA7:35 pmWashington, D.C. Reagan-National
24h 05m
2 stops
CUZ6:40 pmCusco Velazco Astete
Apr 9
CUZ12:05 amCusco Velazco Astete
22h 34m
2 stops
DCA11:39 pmWashington, D.C. Reagan-National
$603
LATAM Airlines
Jun 11
DCA12:05 pmWashington, D.C. Reagan-National
23h 40m
2 stops
CUZ10:45 amCusco Velazco Astete
Jun 28
CUZ7:50 pmCusco Velazco Astete
21h 30m
3 stops
DCA6:20 pmWashington, D.C. Reagan-National
$613
LATAM Airlines
May 25
DCA2:55 pmWashington, D.C. Reagan-National
21h 40m
2 stops
CUZ11:35 amCusco Velazco Astete
May 30
CUZ9:45 amCusco Velazco Astete
27h 20m
2 stops
DCA2:05 pmWashington, D.C. Reagan-National
$623

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. 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 3/19

5:15 pm-9:05 pm

3 stops28h 50m

Cusco Velazco Astete

Wed 3/25

9:02 pm-3:55 pm

2 stops17h 53m

$506

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Fri 3/27

6:45 am-9:05 pm

2 stops15h 20m

Cusco Velazco Astete

Sun 4/5

7:05 am-5:35 am

2 stops21h 30m

$521

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-2:00 pm

1 stop20h 15m

$524

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Thu 1/22

2:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Tue 1/27

5:10 pm-12:10 am

3 stops31h 00m

$525

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Thu 1/22

4:15 pm-11:20 am

2 stops19h 05m

Cusco Velazco Astete

Tue 1/27

5:10 pm-12:10 am

3 stops31h 00m

$527

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Thu 5/14

5:45 am-6:25 am

3 stops25h 40m

Cusco Velazco Astete

Thu 5/21

4:45 pm-5:35 am

1 stop11h 50m

$529

Washington, D.C.Cusco

DCA - CUZ

DCACUZ

Washington, D.C. Reagan-National

Wed 4/1

7:35 pm-6:40 pm

2 stops24h 05m

Cusco Velazco Astete

Thu 4/9

12:05 am-11:39 pm

2 stops22h 34m

$603

Washington, D.C.Cusco

DCA - CUZ

DCACUZ

Washington, D.C. Reagan-National

Thu 6/11

12:05 pm-10:45 am

2 stops23h 40m

Cusco Velazco Astete

Sun 6/28

7:50 pm-6:20 pm

3 stops21h 30m

$613

Washington, D.C.Cusco

DCA - CUZ

DCACUZ

Washington, D.C. Reagan-National

Mon 5/25

2:55 pm-11:35 am

2 stops21h 40m

Cusco Velazco Astete

Sat 5/30

9:45 am-2:05 pm

2 stops27h 20m

$623

Washington, D.C.Cusco

DCA - CUZ

DCACUZ

Washington, D.C. Reagan-National

Thu 3/19

1:45 pm-9:25 am

2 stops20h 40m

Cusco Velazco Astete

Wed 3/25

6:55 pm-2:08 pm

2 stops18h 13m

$633

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Washington, D.C. 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

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

You could potentially save up to 58% on your flight if you consider stops on a Washington, D.C. to Cusco flight.

When to book flights from Washington, D.C. to Cusco

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Cusco (WAS to CUZ) flight deals and tips

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

Fastest flight time

13h 48m

Direct flights

None
The fastest flight from Washington, D.C. to Cusco takes 13h 48m
There are no direct flights from Washington, D.C. to Cusco. There are no popular flight routes from Washington, D.C. to Cusco.
Search flight deals

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

    The straight-line distance from Washington, D.C. to Cusco Velazco Astete is 3635.3 mi. In terms of flight time, this usually takes a little over 13h 48m.

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

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

  • How many operators does momondo search for flights from Washington, D.C. to Cusco Velazco Astete Airport?

  • How old do you have to be to fly from Washington, D.C. 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. 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. to Cusco?

Best airlines flying from Washington, D.C. to Cusco

Compare and see reviews for airlines that fly from Washington, D.C. to Cusco with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $372Free CancellationRating
6.6
2,492 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $389Free CancellationRating
7.5
1,901 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $732Free CancellationRating
7.2
11,097 reviews
Search American 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

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Cusco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cusco that suits you.

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

momondo does allow users to show only those flights to Cusco from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Washington, D.C. and Cusco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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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