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Cheap flights from Washington, D.C. Dulles Intl Airport to Cusco from $302

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 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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.
Avianca Logo
2:35 pm - 11:20 am
IAD
-
CUZ
20h 45m
1 stop
Avianca Logo
5:10 pm - 1:15 pm
CUZ
-
IAD
20h 05m
1 stop
$595Avianca
Wed, Nov 4 - Sun, Nov 8
Avianca Logo
4:15 pm - 11:20 am
IAD
-
CUZ
19h 05m
2 stops
Avianca Logo
5:10 pm - 1:15 pm
CUZ
-
IAD
20h 05m
1 stop
$596Avianca
Wed, Nov 4 - Sun, Nov 8
Multiple Airlines Logo
6:50 am - 5:20 pm
IAD
-
CUZ
35h 30m
2 stops
Multiple Airlines Logo
7:10 am - 2:15 pm
CUZ
-
IAD
30h 05m
2 stops
$615Multiple Airlines
Wed, Oct 14 - Sun, Oct 18
Multiple Airlines Logo
6:50 am - 8:30 pm
IAD
-
CUZ
38h 40m
2 stops
Multiple Airlines Logo
9:10 pm - 2:15 pm
CUZ
-
IAD
16h 05m
2 stops
$618Multiple Airlines
Tue, Sep 8 - Sun, Sep 13
Multiple Airlines Logo
3:35 pm - 8:30 pm
IAD
-
CUZ
29h 55m
2 stops
Multiple Airlines Logo
9:10 pm - 5:20 am
CUZ
-
IAD
31h 10m
2 stops
$622Multiple Airlines
Fri, Sep 4 - Sun, Sep 13
Multiple Airlines Logo
6:50 am - 8:30 pm
IAD
-
CUZ
38h 40m
2 stops
Multiple Airlines Logo
9:40 pm - 5:20 am
CUZ
-
IAD
30h 40m
2 stops
$624Multiple Airlines
Thu, Sep 3 - Sat, Sep 12
Multiple Airlines Logo
3:35 pm - 5:35 pm
IAD
-
CUZ
27h 00m
2 stops
Multiple Airlines Logo
8:30 pm - 2:15 pm
CUZ
-
IAD
40h 45m
2 stops
$625Multiple Airlines
Sat, Sep 5 - Mon, Sep 7
Multiple Airlines Logo
6:50 am - 9:40 pm
IAD
-
CUZ
39h 50m
2 stops
Multiple Airlines Logo
6:50 am - 5:20 am
CUZ
-
IAD
21h 30m
2 stops
$628Multiple Airlines
Fri, Aug 28 - Fri, Sep 4
Multiple Airlines Logo
6:50 am - 7:50 pm
IAD
-
CUZ
38h 00m
2 stops
Multiple Airlines Logo
9:45 pm - 5:20 am
CUZ
-
IAD
30h 35m
2 stops
$629Multiple Airlines
Sun, Sep 27 - Mon, Oct 5
Multiple Airlines Logo
6:50 am - 8:30 pm
IAD
-
CUZ
38h 40m
2 stops
Multiple Airlines Logo
6:50 am - 5:20 am
CUZ
-
IAD
21h 30m
2 stops
$630Multiple Airlines
Sun, Sep 6 - Mon, Sep 14

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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
Nov 4
IAD2:35 pmWashington, D.C. Dulles Intl
20h 45m
1 stop
CUZ11:20 amCusco Velazco Astete
Nov 8
CUZ5:10 pmCusco Velazco Astete
20h 05m
1 stop
IAD1:15 pmWashington, D.C. Dulles Intl
$595
Avianca
Nov 4
IAD4:15 pmWashington, D.C. Dulles Intl
19h 05m
2 stops
CUZ11:20 amCusco Velazco Astete
Nov 8
CUZ5:10 pmCusco Velazco Astete
20h 05m
1 stop
IAD1:15 pmWashington, D.C. Dulles Intl
$596
Avianca
Nov 3
IAD4:30 amWashington, D.C. Dulles Intl
30h 50m
2 stops
CUZ11:20 amCusco Velazco Astete
Nov 8
CUZ12:25 pmCusco Velazco Astete
37h 15m
2 stops
IAD1:40 amWashington, D.C. Dulles Intl
$632

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
Oct 21
IAD5:30 pmWashington, D.C. Dulles Intl
28h 20m
2 stops
CUZ8:50 pmCusco Velazco Astete
Oct 25
CUZ11:20 pmCusco Velazco Astete
24h 00m
2 stops
IAD12:20 amWashington, D.C. Dulles Intl
$699
LATAM Airlines
Nov 1
IAD7:59 pmWashington, D.C. Dulles Intl
20h 56m
2 stops
CUZ4:55 pmCusco Velazco Astete
Nov 4
CUZ8:15 pmCusco Velazco Astete
15h 37m
2 stops
IAD11:52 amWashington, D.C. Dulles Intl
$719
LATAM Airlines
Jul 2
IAD7:14 pmWashington, D.C. Dulles Intl
36h 51m
2 stops
CUZ7:05 amCusco Velazco Astete
Jul 14
CUZ12:10 pmCusco Velazco Astete
30h 44m
3 stops
IAD7:54 pmWashington, D.C. Dulles Intl
$989

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 June 18, 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

Wed 11/4

2:35 pm-11:20 am

1 stop20h 45m

Cusco Velazco Astete

Sun 11/8

5:10 pm-1:15 pm

1 stop20h 05m

$595
Quickest round-trip

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Wed 11/4

4:15 pm-11:20 am

2 stops19h 05m

Cusco Velazco Astete

Sun 11/8

5:10 pm-1:15 pm

1 stop20h 05m

$596

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Wed 10/14

6:50 am-5:20 pm

2 stops35h 30m

Cusco Velazco Astete

Sun 10/18

7:10 am-2:15 pm

2 stops30h 05m

$615

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Tue 9/8

6:50 am-8:30 pm

2 stops38h 40m

Cusco Velazco Astete

Sun 9/13

9:10 pm-2:15 pm

2 stops16h 05m

$618

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Fri 9/4

3:35 pm-8:30 pm

2 stops29h 55m

Cusco Velazco Astete

Sun 9/13

9:10 pm-5:20 am

2 stops31h 10m

$622

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Thu 9/3

6:50 am-8:30 pm

2 stops38h 40m

Cusco Velazco Astete

Sat 9/12

9:40 pm-5:20 am

2 stops30h 40m

$624

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sat 9/5

3:35 pm-5:35 pm

2 stops27h 00m

Cusco Velazco Astete

Mon 9/7

8:30 pm-2:15 pm

2 stops40h 45m

$625

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Fri 8/28

6:50 am-9:40 pm

2 stops39h 50m

Cusco Velazco Astete

Fri 9/4

6:50 am-5:20 am

2 stops21h 30m

$628

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 9/27

6:50 am-7:50 pm

2 stops38h 00m

Cusco Velazco Astete

Mon 10/5

9:45 pm-5:20 am

2 stops30h 35m

$629

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 9/6

6:50 am-8:30 pm

2 stops38h 40m

Cusco Velazco Astete

Mon 9/14

6:50 am-5:20 am

2 stops21h 30m

$630

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. 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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Cusco?

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 8% 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

15h 30m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Cusco takes 15h 30m
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.
Search flight deals

Frequently asked questions about flying 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 15h 30m, 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
2,531 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $602Free CancellationRating
7.4
1,933 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..

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