Cheap flights from Washington, D.C. to Cusco from $257

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 1/10. 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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Find the cheapest flights from Washington, D.C. to Cusco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
2:35 pm - 11:20 amIAD-CUZ
20h 45m1 stop
Avianca Logo
5:10 pm - 4:25 amCUZ-IAD
11h 15m1 stop
$525Avianca
Find Deal
Thu, Jan 29 - Thu, Feb 5
Avianca Logo
3:25 pm - 11:00 amIAD-CUZ
20h 35m1 stop
Avianca Logo
12:15 pm - 3:45 pmCUZ-IAD
26h 30m2 stops
$526Avianca
Find Deal
Sun, Apr 12 - Wed, Apr 22
Avianca Logo
4:15 pm - 11:20 amIAD-CUZ
19h 05m2 stops
Avianca Logo
5:10 pm - 2:55 pmCUZ-IAD
21h 45m2 stops
$528Avianca
Find Deal
Fri, Jan 30 - Mon, Feb 9
Multiple Airlines Logo
4:30 am - 7:20 amIAD-CUZ
26h 50m2 stops
Multiple Airlines Logo
7:32 am - 1:15 pmCUZ-IAD
29h 43m2 stops
$529Multiple Airlines
Find Deal
Thu, Jan 29 - Mon, Feb 9
Multiple Airlines Logo
6:20 am - 6:26 amBWI-CUZ
24h 06m2 stops
Multiple Airlines Logo
6:35 pm - 7:01 pmCUZ-BWI
24h 26m2 stops
$531Multiple Airlines
Find Deal
Wed, Jan 14 - Tue, Feb 3
Multiple Airlines Logo
4:05 am - 7:24 amIAD-CUZ
28h 19m3 stops
Multiple Airlines Logo
9:47 pm - 4:20 amCUZ-IAD
29h 33m3 stops
$531Multiple Airlines
Find Deal
Mon, May 11 - Mon, May 18
Multiple Airlines Logo
4:05 am - 7:24 amIAD-CUZ
28h 19m3 stops
Multiple Airlines Logo
12:15 pm - 1:15 amCUZ-IAD
36h 00m3 stops
$535Multiple Airlines
Find Deal
Sun, Apr 12 - Wed, Apr 22
LATAM Airlines Logo
6:26 pm - 9:25 amDCA-CUZ
14h 59m2 stops
LATAM Airlines Logo
7:30 am - 11:40 pmCUZ-DCA
16h 10m2 stops
$639LATAM Airlines
Find Deal
Sat, Nov 29 - Fri, Dec 5
LATAM Airlines Logo
6:26 pm - 9:05 amDCA-CUZ
14h 39m2 stops
LATAM Airlines Logo
12:05 am - 11:40 pmCUZ-DCA
23h 35m2 stops
$665LATAM Airlines
Find Deal
Sat, Nov 29 - Thu, Dec 4
Delta Logo
5:00 pm - 12:30 pmDCA-CUZ
20h 30m2 stops
Delta Logo
7:45 pm - 2:06 pmCUZ-DCA
17h 21m2 stops
$691Delta
Find Deal
Sun, Apr 5 - Wed, Apr 8

Avianca flights from Washington, D.C. to Cusco

Our best Avianca deals on Washington, D.C. to Cusco flight tickets
Avianca
Jan 29
IAD2:35 pmWashington, D.C. Dulles Intl
20h 45m
1 stop
CUZ11:20 amCusco Velazco Astete
Feb 5
CUZ5:10 pmCusco Velazco Astete
11h 15m
1 stop
IAD4:25 amWashington, D.C. Dulles Intl
Avianca
Apr 12
IAD3:25 pmWashington, D.C. Dulles Intl
20h 35m
1 stop
CUZ11:00 amCusco Velazco Astete
Apr 22
CUZ12:15 pmCusco Velazco Astete
26h 30m
2 stops
IAD3:45 pmWashington, D.C. Dulles Intl
Avianca
Jan 30
IAD4:15 pmWashington, D.C. Dulles Intl
19h 05m
2 stops
CUZ11:20 amCusco Velazco Astete
Feb 9
CUZ5:10 pmCusco Velazco Astete
21h 45m
2 stops
IAD2:55 pmWashington, D.C. Dulles Intl

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

Our best American Airlines deals on Washington, D.C. to Cusco flight tickets
American Airlines
Apr 12
BWI7:03 pmBaltimore/Washington
12h 21m
2 stops
CUZ6:24 amCusco Velazco Astete
Apr 22
CUZ10:22 pmCusco Velazco Astete
18h 39m
2 stops
BWI6:01 pmBaltimore/Washington
American Airlines
Jan 6
BWI10:09 amBaltimore/Washington
20h 17m
2 stops
CUZ6:26 amCusco Velazco Astete
Jan 16
CUZ11:22 amCusco Velazco Astete
21h 57m
2 stops
BWI9:19 amBaltimore/Washington
American Airlines
Jan 5
BWI7:01 pmBaltimore/Washington
15h 20m
2 stops
CUZ10:21 amCusco Velazco Astete
Jan 14
CUZ12:52 pmCusco Velazco Astete
20h 27m
2 stops
BWI9:19 amBaltimore/Washington

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 November 17, 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

Thu 1/29

2:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Thu 2/5

5:10 pm-4:25 am

1 stop11h 15m

$525

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 4/12

3:25 pm-11:00 am

1 stop20h 35m

Cusco Velazco Astete

Wed 4/22

12:15 pm-3:45 pm

2 stops26h 30m

$526

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Fri 1/30

4:15 pm-11:20 am

2 stops19h 05m

Cusco Velazco Astete

Mon 2/9

5:10 pm-2:55 pm

2 stops21h 45m

$528

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Thu 1/29

4:30 am-7:20 am

2 stops26h 50m

Cusco Velazco Astete

Mon 2/9

7:32 am-1:15 pm

2 stops29h 43m

$529

BaltimoreCusco

BWI - CUZ

BWICUZ

Baltimore/Washington

Wed 1/14

6:20 am-6:26 am

2 stops24h 06m

Cusco Velazco Astete

Tue 2/3

6:35 pm-7:01 pm

2 stops24h 26m

$531

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Mon 5/11

4:05 am-7:24 am

3 stops28h 19m

Cusco Velazco Astete

Mon 5/18

9:47 pm-4:20 am

3 stops29h 33m

$531

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 4/12

4:05 am-7:24 am

3 stops28h 19m

Cusco Velazco Astete

Wed 4/22

12:15 pm-1:15 am

3 stops36h 00m

$535

Washington, D.C.Cusco

DCA - CUZ

DCACUZ

Washington, D.C. Reagan-National

Sat 11/29

6:26 pm-9:25 am

2 stops14h 59m

Cusco Velazco Astete

Fri 12/5

7:30 am-11:40 pm

2 stops16h 10m

$639

Washington, D.C.Cusco

DCA - CUZ

DCACUZ

Washington, D.C. Reagan-National

Sat 11/29

6:26 pm-9:05 am

2 stops14h 39m

Cusco Velazco Astete

Thu 12/4

12:05 am-11:40 pm

2 stops23h 35m

$665

Washington, D.C.Cusco

DCA - CUZ

DCACUZ

Washington, D.C. Reagan-National

Sun 4/5

5:00 pm-12:30 pm

2 stops20h 30m

Cusco Velazco Astete

Wed 4/8

7:45 pm-2:06 pm

2 stops17h 21m

$691

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 42% 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

Direct flights

None
There are no direct flights from Washington, D.C. to Cusco. There are no popular flight routes from Washington, D.C. to Cusco.
  • 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 21m.

  • 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
1,877 reviews
Search LATAM Airlines flights
AviancaPriceFrom $372Free CancellationRating
6.6
2,476 reviews
Search Avianca flights
American AirlinesPriceFrom $732Free CancellationRating
7.2
11,044 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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