Cheap flights from Washington, D.C. Dulles Intl Airport to Cusco from $293

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. Dulles Intl Airport to Cusco departing on 4/26. 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. Dulles Intl Airport to Cusco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:35 pm - 6:10 am
IAD
-
CUZ
15h 35m
2 stops
Multiple Airlines Logo
12:10 pm - 5:20 am
CUZ
-
IAD
16h 10m
2 stops
$568Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
6:50 am - 9:00 pm
IAD
-
CUZ
15h 10m
2 stops
Multiple Airlines Logo
4:40 pm - 2:15 pm
CUZ
-
IAD
20h 35m
2 stops
$575Multiple Airlines
Wed, Apr 8 - Wed, Apr 15
Multiple Airlines Logo
6:50 am - 1:35 pm
IAD
-
CUZ
31h 45m
2 stops
Multiple Airlines Logo
12:10 pm - 5:20 am
CUZ
-
IAD
16h 10m
2 stops
$578Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
6:50 am - 8:40 pm
IAD
-
CUZ
14h 50m
2 stops
Multiple Airlines Logo
10:05 pm - 2:15 pm
CUZ
-
IAD
39h 10m
2 stops
$602Multiple Airlines
Sat, Jun 6 - Sun, Jun 21
LATAM Airlines Logo
3:35 pm - 4:55 pm
IAD
-
CUZ
26h 20m
2 stops
LATAM Airlines Logo
7:30 am - 12:42 am
CUZ
-
IAD
16h 12m
2 stops
$603LATAM Airlines
Wed, Apr 8 - Wed, Apr 15
Multiple Airlines Logo
6:50 am - 9:00 pm
IAD
-
CUZ
15h 10m
2 stops
Multiple Airlines Logo
9:40 pm - 5:20 am
CUZ
-
IAD
30h 40m
2 stops
$605Multiple Airlines
Tue, Apr 7 - Mon, Apr 13
Multiple Airlines Logo
3:35 pm - 11:20 am
IAD
-
CUZ
20h 45m
1 stop
Multiple Airlines Logo
10:45 pm - 12:42 am
CUZ
-
IAD
24h 57m
2 stops
$613Multiple Airlines
Sun, Apr 19 - Mon, Apr 27
Avianca Logo
6:50 am - 11:20 am
IAD
-
CUZ
29h 30m
1 stop
Avianca Logo
5:10 pm - 5:20 am
CUZ
-
IAD
11h 10m
1 stop
$618Avianca
Tue, May 26 - Thu, Jun 4
Multiple Airlines Logo
6:50 am - 9:00 pm
IAD
-
CUZ
39h 10m
2 stops
Multiple Airlines Logo
9:40 pm - 5:20 am
CUZ
-
IAD
30h 40m
2 stops
$620Multiple Airlines
Mon, May 25 - Wed, Jun 3
Multiple Airlines Logo
6:50 am - 9:00 pm
IAD
-
CUZ
15h 10m
2 stops
Multiple Airlines Logo
12:05 pm - 5:20 am
CUZ
-
IAD
16h 15m
2 stops
$623Multiple Airlines
Wed, Aug 19 - Wed, Aug 26

Avianca flights from Washington, D.C. Dulles Intl Airport to Cusco

Our best Avianca deals on Washington, D.C. Dulles Intl Airport to Cusco flight tickets
Avianca
May 26
IAD6:50 amWashington, D.C. Dulles Intl
29h 30m
1 stop
CUZ11:20 amCusco Velazco Astete
Jun 4
CUZ5:10 pmCusco Velazco Astete
11h 10m
1 stop
IAD5:20 amWashington, D.C. Dulles Intl
$618
Avianca
Apr 27
IAD5:35 pmWashington, D.C. Dulles Intl
18h 45m
2 stops
CUZ11:20 amCusco Velazco Astete
May 3
CUZ5:10 pmCusco Velazco Astete
11h 10m
1 stop
IAD5:20 amWashington, D.C. Dulles Intl
$625
Avianca
Sep 6
IAD5:45 amWashington, D.C. Dulles Intl
54h 35m
2 stops
CUZ11:20 amCusco Velazco Astete
Sep 9
CUZ5:10 pmCusco Velazco Astete
20h 05m
1 stop
IAD2:15 pmWashington, D.C. Dulles Intl
$640

LATAM Airlines flights from Washington, D.C. Dulles Intl Airport to Cusco

Our best LATAM Airlines deals on Washington, D.C. Dulles Intl Airport to Cusco flight tickets
LATAM Airlines
Apr 8
IAD3:35 pmWashington, D.C. Dulles Intl
26h 20m
2 stops
CUZ4:55 pmCusco Velazco Astete
Apr 15
CUZ7:30 amCusco Velazco Astete
16h 12m
2 stops
IAD12:42 amWashington, D.C. Dulles Intl
$603
LATAM Airlines
Apr 19
IAD7:19 pmWashington, D.C. Dulles Intl
14h 36m
2 stops
CUZ8:55 amCusco Velazco Astete
Apr 23
CUZ8:15 pmCusco Velazco Astete
16h 49m
2 stops
IAD2:04 pmWashington, D.C. Dulles Intl
$656
LATAM Airlines
Apr 27
IAD7:19 pmWashington, D.C. Dulles Intl
14h 36m
2 stops
CUZ8:55 amCusco Velazco Astete
May 3
CUZ9:15 pmCusco Velazco Astete
35h 00m
3 stops
IAD9:15 amWashington, D.C. Dulles Intl
$674

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 March 24, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Cusco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Tue 4/21

3:35 pm-6:10 am

2 stops15h 35m

Cusco Velazco Astete

Tue 4/28

12:10 pm-5:20 am

2 stops16h 10m

$568

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Wed 4/8

6:50 am-9:00 pm

2 stops15h 10m

Cusco Velazco Astete

Wed 4/15

4:40 pm-2:15 pm

2 stops20h 35m

$575

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Tue 4/21

6:50 am-1:35 pm

2 stops31h 45m

Cusco Velazco Astete

Tue 4/28

12:10 pm-5:20 am

2 stops16h 10m

$578

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sat 6/6

6:50 am-8:40 pm

2 stops14h 50m

Cusco Velazco Astete

Sun 6/21

10:05 pm-2:15 pm

2 stops39h 10m

$602

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Wed 4/8

3:35 pm-4:55 pm

2 stops26h 20m

Cusco Velazco Astete

Wed 4/15

7:30 am-12:42 am

2 stops16h 12m

$603

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Tue 4/7

6:50 am-9:00 pm

2 stops15h 10m

Cusco Velazco Astete

Mon 4/13

9:40 pm-5:20 am

2 stops30h 40m

$605

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 4/19

3:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Mon 4/27

10:45 pm-12:42 am

2 stops24h 57m

$613

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Tue 5/26

6:50 am-11:20 am

1 stop29h 30m

Cusco Velazco Astete

Thu 6/4

5:10 pm-5:20 am

1 stop11h 10m

$618

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Mon 5/25

6:50 am-9:00 pm

2 stops39h 10m

Cusco Velazco Astete

Wed 6/3

9:40 pm-5:20 am

2 stops30h 40m

$620
Quickest round-trip

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Wed 8/19

6:50 am-9:00 pm

2 stops15h 10m

Cusco Velazco Astete

Wed 8/26

12:05 pm-5:20 am

2 stops16h 15m

$623

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Cusco from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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, November is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Cusco. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $375. If you aren’t able to travel to Cusco during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $523.

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

You could potentially save up to 24% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Cusco flight.

When to book flights from Washington, D.C. Dulles Intl Airport to Cusco

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

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

Fastest flight time

13h 23m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Cusco takes 13h 23m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Cusco. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Cusco.
  • How far is Washington, D.C. Dulles Intl to Cusco Velazco Astete by plane?

    The straight-line distance from Washington, D.C. Dulles Intl to Cusco Velazco Astete is 3640.8 mi. Flights usually cover this in 13h 23m, depending on flying conditions and air traffic around both airports.

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

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

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

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

Best airlines flying from Washington, D.C. Dulles Intl Airport to Cusco

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Cusco with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $369Free CancellationRating
6.5
2,505 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $602Free CancellationRating
7.4
1,911 reviews
Search LATAM 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

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cusco from Washington, D.C..

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

Yes. momondo enables you to select and highlight flights to Cusco from Washington, D.C. with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cusco from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Cusco right now. Can momondo alert me if prices change?

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