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Cheap flights from Washington, D.C. to Cusco from $219

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 5/1. 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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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
4:15 pm - 6:56 amIAD-CUZ
14h 41m2 stops
Multiple Airlines Logo
8:57 pm - 4:25 amCUZ-IAD
31h 28m2 stops
$508Multiple Airlines
Find Deal
Sun, Feb 8 - Mon, Feb 9
Avianca Logo
4:15 pm - 11:20 amIAD-CUZ
19h 05m2 stops
Avianca Logo
5:10 pm - 1:15 pmCUZ-IAD
20h 05m1 stop
$511Avianca
Find Deal
Sun, Feb 8 - Mon, Feb 23
Avianca Logo
2:35 pm - 11:20 amIAD-CUZ
20h 45m1 stop
Avianca Logo
12:25 pm - 4:55 pmCUZ-IAD
28h 30m2 stops
$512Avianca
Find Deal
Fri, Jan 23 - Fri, Feb 6
Avianca Logo
2:35 pm - 11:20 amIAD-CUZ
20h 45m1 stop
Avianca Logo
5:10 pm - 1:15 pmCUZ-IAD
20h 05m1 stop
$513Avianca
Find Deal
Sun, Feb 8 - Mon, Feb 23
Multiple Airlines Logo
4:15 pm - 7:26 amIAD-CUZ
15h 11m2 stops
Multiple Airlines Logo
12:05 am - 4:10 amCUZ-IAD
27h 05m3 stops
$517Multiple Airlines
Find Deal
Fri, Mar 6 - Thu, Mar 12
Multiple Airlines Logo
4:05 am - 7:24 amIAD-CUZ
28h 19m3 stops
Multiple Airlines Logo
4:45 pm - 5:35 amCUZ-IAD
11h 50m1 stop
$522Multiple Airlines
Find Deal
Tue, May 12 - Thu, May 21
Avianca Logo
3:25 pm - 11:00 amIAD-CUZ
20h 35m1 stop
Avianca Logo
12:15 pm - 5:35 amCUZ-IAD
16h 20m1 stop
$523Avianca
Find Deal
Sat, Apr 11 - Sun, Apr 26
LATAM Airlines Logo
10:33 am - 12:45 amBWI-CUZ
14h 12m2 stops
LATAM Airlines Logo
9:30 am - 5:46 pmCUZ-BWI
32h 16m2 stops
$557LATAM Airlines
Find Deal
Tue, Feb 3 - Wed, Feb 4
LATAM Airlines Logo
1:50 pm - 7:20 amDCA-CUZ
18h 30m2 stops
LATAM Airlines Logo
8:15 pm - 2:05 pmCUZ-DCA
16h 50m2 stops
$591LATAM Airlines
Find Deal
Sat, Apr 11 - Sun, Apr 26
Delta Logo
7:35 pm - 10:45 amDCA-CUZ
16h 10m2 stops
Delta Logo
5:00 am - 10:12 pmCUZ-DCA
16h 12m2 stops
$602Delta
Find Deal
Wed, Apr 8 - Wed, Apr 29

Delta flights from Washington, D.C. to Cusco

Our best Delta deals on Washington, D.C. to Cusco flight tickets
Delta
Jan 26
IAD7:49 pmWashington, D.C. Dulles Intl
15h 26m
2 stops
CUZ11:15 amCusco Velazco Astete
Feb 5
CUZ7:30 pmCusco Velazco Astete
16h 13m
2 stops
IAD11:43 amWashington, D.C. Dulles Intl
$602
Find similar
Delta
Mar 30
DCA9:00 amWashington, D.C. Reagan-National
16h 40m
2 stops
CUZ12:40 amCusco Velazco Astete
Apr 14
CUZ5:00 amCusco Velazco Astete
16h 12m
2 stops
DCA10:12 pmWashington, D.C. Reagan-National
$709
Find similar
Delta
Dec 7
IAD5:59 pmWashington, D.C. Dulles Intl
16h 36m
2 stops
CUZ10:35 amCusco Velazco Astete
Dec 14
CUZ9:45 pmCusco Velazco Astete
26h 27m
2 stops
IAD12:12 amWashington, D.C. Dulles Intl
$710
Find similar

Avianca flights from Washington, D.C. to Cusco

Our best Avianca deals on Washington, D.C. to Cusco flight tickets
Avianca
Feb 8
IAD4:15 pmWashington, D.C. Dulles Intl
19h 05m
2 stops
CUZ11:20 amCusco Velazco Astete
Feb 23
CUZ5:10 pmCusco Velazco Astete
20h 05m
1 stop
IAD1:15 pmWashington, D.C. Dulles Intl
$511
Find similar
Avianca
Jan 23
IAD2:35 pmWashington, D.C. Dulles Intl
20h 45m
1 stop
CUZ11:20 amCusco Velazco Astete
Feb 6
CUZ12:25 pmCusco Velazco Astete
28h 30m
2 stops
IAD4:55 pmWashington, D.C. Dulles Intl
$512
Find similar
Avianca
Feb 8
IAD2:35 pmWashington, D.C. Dulles Intl
20h 45m
1 stop
CUZ11:20 amCusco Velazco Astete
Feb 23
CUZ5:10 pmCusco Velazco Astete
20h 05m
1 stop
IAD1:15 pmWashington, D.C. Dulles Intl
$513
Find similar

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 December 2, 2025.
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

Sun 2/8

4:15 pm-6:56 am

2 stops14h 41m

Cusco Velazco Astete

Mon 2/9

8:57 pm-4:25 am

2 stops31h 28m

$508

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 2/8

4:15 pm-11:20 am

2 stops19h 05m

Cusco Velazco Astete

Mon 2/23

5:10 pm-1:15 pm

1 stop20h 05m

$511

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Fri 1/23

2:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Fri 2/6

12:25 pm-4:55 pm

2 stops28h 30m

$512

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 2/8

2:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Mon 2/23

5:10 pm-1:15 pm

1 stop20h 05m

$513

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Fri 3/6

4:15 pm-7:26 am

2 stops15h 11m

Cusco Velazco Astete

Thu 3/12

12:05 am-4:10 am

3 stops27h 05m

$517

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Tue 5/12

4:05 am-7:24 am

3 stops28h 19m

Cusco Velazco Astete

Thu 5/21

4:45 pm-5:35 am

1 stop11h 50m

$522

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sat 4/11

3:25 pm-11:00 am

1 stop20h 35m

Cusco Velazco Astete

Sun 4/26

12:15 pm-5:35 am

1 stop16h 20m

$523

BaltimoreCusco

BWI - CUZ

BWICUZ

Baltimore/Washington

Tue 2/3

10:33 am-12:45 am

2 stops14h 12m

Cusco Velazco Astete

Wed 2/4

9:30 am-5:46 pm

2 stops32h 16m

$557

Washington, D.C.Cusco

DCA - CUZ

DCACUZ

Washington, D.C. Reagan-National

Sat 4/11

1:50 pm-7:20 am

2 stops18h 30m

Cusco Velazco Astete

Sun 4/26

8:15 pm-2:05 pm

2 stops16h 50m

$591

Washington, D.C.Cusco

DCA - CUZ

DCACUZ

Washington, D.C. Reagan-National

Wed 4/8

7:35 pm-10:45 am

2 stops16h 10m

Cusco Velazco Astete

Wed 4/29

5:00 am-10:12 pm

2 stops16h 12m

$602

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. 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 cheapest month to fly to Cusco?

In general, October is the cheapest month to fly from Washington, D.C. to Cusco. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $525. If you aren’t able to travel to Cusco during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $555.

What is the cheapest day to depart on your flight to Cusco?

The cheapest day to depart from Washington, D.C. to Cusco is on a Sunday when prices can be found for as low as $668. The most expensive day to fly to Cusco is Thursday, with ticket prices averaging around $855.

What is the cheapest time of day to depart on your flight to Cusco?

According to our data, the cheapest time of day to fly to Cusco is in the afternoon. momondo users have found flights departing from Washington, D.C. to Cusco in the afternoon for as low as $681. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Cusco is at noon when prices are around $907.

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

You could potentially save up to 12% 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 25m

Direct flights

None
The fastest flight from Washington, D.C. to Cusco takes 13h 25m
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 12h 17m.

  • 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
LATAM AirlinesPriceFrom $355Free CancellationRating
7.5
1,889 reviews
Search LATAM Airlines flights
AviancaPriceFrom $372Free CancellationRating
6.6
2,475 reviews
Search Avianca flights
American AirlinesPriceFrom $732Free CancellationRating
7.2
11,041 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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