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Cheap flights from Washington, D.C. to Cusco from $229

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 1/5. 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 - 7:20 am
IAD
-
CUZ
15h 05m2 stops
Multiple Airlines Logo
11:35 am - 4:25 am
CUZ
-
IAD
16h 50m2 stops
$498Multiple Airlines
Sat, Jan 24 - Sat, Jan 31
Multiple Airlines Logo
1:30 am - 7:20 am
IAD
-
CUZ
29h 50m3 stops
Multiple Airlines Logo
11:35 am - 4:25 am
CUZ
-
IAD
16h 50m2 stops
$516Multiple Airlines
Fri, Jan 23 - Sat, Jan 31
Avianca Logo
3:25 pm - 11:00 am
IAD
-
CUZ
20h 35m1 stop
Avianca Logo
4:45 pm - 5:35 am
CUZ
-
IAD
11h 50m1 stop
$523Avianca
Tue, Apr 21 - Tue, Apr 28
Avianca Logo
5:05 pm - 11:00 am
IAD
-
CUZ
18h 55m2 stops
Avianca Logo
4:45 pm - 2:00 pm
CUZ
-
IAD
20h 15m1 stop
$524Avianca
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
4:05 am - 6:24 am
IAD
-
CUZ
27h 19m3 stops
Multiple Airlines Logo
4:45 pm - 5:35 am
CUZ
-
IAD
11h 50m1 stop
$526Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Delta Logo
2:36 pm - 9:00 am
DCA
-
CUZ
19h 24m2 stops
Delta Logo
9:20 pm - 10:36 pm
CUZ
-
DCA
24h 16m2 stops
$602Delta
Thu, Mar 19 - Sun, Mar 29
LATAM Airlines Logo
2:55 pm - 8:25 am
DCA
-
CUZ
18h 30m2 stops
LATAM Airlines Logo
10:25 am - 2:05 pm
CUZ
-
DCA
26h 40m2 stops
$687LATAM Airlines
Mon, May 25 - Sat, May 30
LATAM Airlines Logo
1:40 pm - 5:00 pm
DCA
-
CUZ
27h 20m2 stops
LATAM Airlines Logo
10:00 pm - 9:10 am
CUZ
-
DCA
35h 10m3 stops
$690LATAM Airlines
Sat, Jan 17 - Sun, Jan 25
American Airlines Logo
7:03 pm - 7:24 am
BWI
-
CUZ
13h 21m2 stops
American Airlines Logo
4:42 pm - 6:01 pm
CUZ
-
BWI
24h 19m2 stops
$940American Airlines
Tue, Apr 21 - Tue, Apr 28
American Airlines Logo
7:22 pm - 4:46 pm
BWI
-
CUZ
22h 24m2 stops
American Airlines Logo
4:37 pm - 9:47 am
CUZ
-
BWI
16h 10m2 stops
$966American Airlines
Fri, Mar 20 - Tue, Mar 31

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

Our best LATAM Airlines deals on Washington, D.C. to Cusco flight tickets
LATAM Airlines
Mar 18
IAD7:25 pmWashington, D.C. Dulles Intl
15h 00m
2 stops
CUZ9:25 amCusco Velazco Astete
Apr 8
CUZ8:25 amCusco Velazco Astete
15h 01m
2 stops
IAD12:26 amWashington, D.C. Dulles Intl
$602
Find similar
LATAM Airlines
May 25
DCA2:55 pmWashington, D.C. Reagan-National
18h 30m
2 stops
CUZ8:25 amCusco Velazco Astete
May 30
CUZ10:25 amCusco Velazco Astete
26h 40m
2 stops
DCA2:05 pmWashington, D.C. Reagan-National
$687
Find similar
LATAM Airlines
Jan 17
DCA1:40 pmWashington, D.C. Reagan-National
27h 20m
2 stops
CUZ5:00 pmCusco Velazco Astete
Jan 25
CUZ10:00 pmCusco Velazco Astete
35h 10m
3 stops
DCA9:10 amWashington, D.C. Reagan-National
$690
Find similar

Avianca flights from Washington, D.C. to Cusco

Our best Avianca deals on Washington, D.C. to Cusco flight tickets
Avianca
Apr 21
IAD3:25 pmWashington, D.C. Dulles Intl
20h 35m
1 stop
CUZ11:00 amCusco Velazco Astete
Apr 28
CUZ4:45 pmCusco Velazco Astete
11h 50m
1 stop
IAD5:35 amWashington, D.C. Dulles Intl
$523
Find similar
Avianca
Apr 21
IAD5:05 pmWashington, D.C. Dulles Intl
18h 55m
2 stops
CUZ11:00 amCusco Velazco Astete
Apr 28
CUZ4:45 pmCusco Velazco Astete
20h 15m
1 stop
IAD2:00 pmWashington, D.C. Dulles Intl
$524
Find similar
Avianca
Feb 21
IAD2:35 pmWashington, D.C. Dulles Intl
20h 45m
1 stop
CUZ11:20 amCusco Velazco Astete
Feb 24
CUZ5:10 pmCusco Velazco Astete
20h 05m
1 stop
IAD1:15 pmWashington, D.C. Dulles Intl
$536
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 11, 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

Sat 1/24

4:15 pm-7:20 am

2 stops15h 05m

Cusco Velazco Astete

Sat 1/31

11:35 am-4:25 am

2 stops16h 50m

$498

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Fri 1/23

1:30 am-7:20 am

3 stops29h 50m

Cusco Velazco Astete

Sat 1/31

11:35 am-4:25 am

2 stops16h 50m

$516

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Tue 4/21

3:25 pm-11:00 am

1 stop20h 35m

Cusco Velazco Astete

Tue 4/28

4:45 pm-5:35 am

1 stop11h 50m

$523

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Tue 4/21

5:05 pm-11:00 am

2 stops18h 55m

Cusco Velazco Astete

Tue 4/28

4:45 pm-2:00 pm

1 stop20h 15m

$524

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Tue 4/21

4:05 am-6:24 am

3 stops27h 19m

Cusco Velazco Astete

Tue 4/28

4:45 pm-5:35 am

1 stop11h 50m

$526

Washington, D.C.Cusco

DCA - CUZ

DCACUZ

Washington, D.C. Reagan-National

Thu 3/19

2:36 pm-9:00 am

2 stops19h 24m

Cusco Velazco Astete

Sun 3/29

9:20 pm-10:36 pm

2 stops24h 16m

$602

Washington, D.C.Cusco

DCA - CUZ

DCACUZ

Washington, D.C. Reagan-National

Mon 5/25

2:55 pm-8:25 am

2 stops18h 30m

Cusco Velazco Astete

Sat 5/30

10:25 am-2:05 pm

2 stops26h 40m

$687

Washington, D.C.Cusco

DCA - CUZ

DCACUZ

Washington, D.C. Reagan-National

Sat 1/17

1:40 pm-5:00 pm

2 stops27h 20m

Cusco Velazco Astete

Sun 1/25

10:00 pm-9:10 am

3 stops35h 10m

$690

BaltimoreCusco

BWI - CUZ

BWICUZ

Baltimore/Washington

Tue 4/21

7:03 pm-7:24 am

2 stops13h 21m

Cusco Velazco Astete

Tue 4/28

4:42 pm-6:01 pm

2 stops24h 19m

$940

BaltimoreCusco

BWI - CUZ

BWICUZ

Baltimore/Washington

Fri 3/20

7:22 pm-4:46 pm

2 stops22h 24m

Cusco Velazco Astete

Tue 3/31

4:37 pm-9:47 am

2 stops16h 10m

$966

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, January 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 $480. If you aren’t able to travel to Cusco during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $525.

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 61% 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

12h 40m

Direct flights

None
The fastest flight from Washington, D.C. to Cusco takes 12h 40m
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 40m.

  • 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
2,478 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $389Free CancellationRating
7.5
1,889 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $732Free CancellationRating
7.2
11,048 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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