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$178+ Cheap flights from Dulles Intl (IAD) to Peru

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LIM
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
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Cheap flight deals from Dulles Intl to Peru

Cheapest flights from Dulles Intl to Peru
Explore the most affordable flight options available from Dulles Intl to Peru. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:35 pmIAD - LIM
1 stop10h 15mAvianca
Mon 1/261:50 amLIM - IAD
1 stop11h 25mAvianca
Deal found 12/16$385
This Cheapflightsfares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:35 pmIAD - LIM
1 stop10h 15mAvianca
Tue 2/33:00 amLIM - IAD
1 stop11h 55mAvianca
Deal found 12/16$386
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:57 amIAD - LIM
2 stops18h 03mDelta
Wed 2/41:30 pmLIM - IAD
2 stops22h 14mDelta
Deal found 12/16$435
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:03 amIAD - LIM
1 stop17h 52mUnited Airlines
Sat 1/31:50 amLIM - IAD
1 stop33h 38mUnited Airlines
Deal found 12/16$445
This Orbitz deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:59 pmIAD - LIM
2 stops26h 41mLATAM Airlines
Tue 1/2711:40 pmLIM - IAD
1 stop18h 41mLATAM Airlines
Deal found 12/16$460
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:59 pmIAD - LIM
2 stops34h 01mLATAM Airlines
Tue 1/2712:15 pmLIM - IAD
1 stop20h 58mLATAM Airlines
Deal found 12/16$467
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:59 pmIAD - LIM
2 stops26h 41mLATAM Airlines
Tue 1/2012:15 amLIM - IAD
2 stops32h 58mLATAM Airlines
Deal found 12/16$488
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:15 pmIAD - LIM
1 stop25h 40mUnited Airlines
Mon 12/291:50 amLIM - IAD
1 stop19h 14mUnited Airlines
Deal found 12/16$491
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:59 pmIAD - LIM
2 stops26h 41mMultiple Airlines
Wed 1/215:35 pmLIM - IAD
1 stop19h 40mMultiple Airlines
Deal found 12/16$496
This Copa Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:25 amIAD - LIM
1 stop17h 20mCopa Airlines
Tue 12/233:30 amLIM - IAD
1 stop20h 03mCopa Airlines
Deal found 12/16$500
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:59 pmIAD - LIM
2 stops26h 41mMultiple Airlines
Tue 1/275:35 pmLIM - IAD
2 stops33h 35mMultiple Airlines
Deal found 12/16$519
This KAYAK deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:59 pmIAD - AQP
2 stops19h 01mLATAM Airlines
Thu 1/228:10 amAQP - IAD
2 stops16h 14mLATAM Airlines
Deal found 12/15$929

Find flight deals from Dulles Intl to Peru

Keep the following information in mind while searching for Dulles Intl to Peru flight deals. Data was last updated December 17, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$373
(FlightHub)

One-way from

$178
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$691
Provider with most accurate pricing for Washington, D.C. (WAS)-Lima J Chavez Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Lima J Chavez Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to Peru
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Peru
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Peru 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, Cheapflights users made 2,558,603 searches. Data last updated December 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Peru that are best for you.

Fly from

Dulles Intl

Fly to

Peru

Route

Depart

Return

Price

Washington, D.C.Lima

IAD - LIM

IADLIM

Washington, D.C. Dulles Intl

Fri 1/30

6:03 am-11:55 pm

1 stop17h 52m

Lima J Chavez Intl

Thu 2/5

1:50 am-10:18 pm

1 stop20h 28m

$384

Washington, D.C.Lima

IAD - LIM

IADLIM

Washington, D.C. Dulles Intl

Wed 3/25

9:29 am-11:40 pm

1 stop15h 11m

Lima J Chavez Intl

Tue 3/31

4:40 pm-4:13 am

1 stop10h 33m

$387

Washington, D.C.Lima

IAD - LIM

IADLIM

Washington, D.C. Dulles Intl

Mon 3/23

9:29 am-10:45 pm

1 stop14h 16m

Lima J Chavez Intl

Mon 3/30

11:00 am-4:13 am

1 stop16h 13m

$387

Washington, D.C.Lima

IAD - LIM

IADLIM

Washington, D.C. Dulles Intl

Thu 2/5

3:35 pm-12:55 am

1 stop9h 20m

Lima J Chavez Intl

Sat 2/21

10:30 am-3:15 am

1 stop16h 45m

$398

Washington, D.C.Lima

IAD - LIM

IADLIM

Washington, D.C. Dulles Intl

Thu 3/19

4:35 pm-1:20 am

1 stop9h 45m

Lima J Chavez Intl

Fri 4/3

11:00 am-4:22 am

1 stop16h 22m

$398

Washington, D.C.Lima

IAD - LIM

IADLIM

Washington, D.C. Dulles Intl

Mon 1/12

3:25 pm-12:55 am

1 stop9h 30m

Lima J Chavez Intl

Tue 1/20

10:30 am-3:13 am

1 stop16h 43m

$398

Washington, D.C.Lima

IAD - LIM

IADLIM

Washington, D.C. Dulles Intl

Sun 3/15

5:30 am-8:55 pm

2 stops16h 25m

Lima J Chavez Intl

Wed 3/18

2:55 am-2:15 pm

1 stop10h 20m

$405

Washington, D.C.Lima

IAD - LIM

IADLIM

Washington, D.C. Dulles Intl

Fri 4/3

9:32 am-11:40 pm

1 stop15h 08m

Lima J Chavez Intl

Sun 4/12

11:00 am-4:22 am

1 stop16h 22m

$413

Washington, D.C.Lima

IAD - LIM

IADLIM

Washington, D.C. Dulles Intl

Fri 4/3

9:32 am-11:40 pm

1 stop15h 08m

Lima J Chavez Intl

Mon 4/6

11:00 am-4:22 am

1 stop16h 22m

$423

Washington, D.C.Lima

IAD - LIM

IADLIM

Washington, D.C. Dulles Intl

Tue 1/13

6:20 am-9:20 pm

1 stop15h 00m

Lima J Chavez Intl

Tue 1/27

11:40 pm-6:21 pm

1 stop18h 41m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 57 results
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Best time to book a flight from Dulles Intl to Peru

Have a flexible travel schedule? Discover the best time to fly to Peru from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Peru

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Peru?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Peru (average of $78). Flying from Washington, D.C. Dulles Intl Airport to Peru in April is currently the most expensive (average of $382). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to PE?

Find hourly flight availability from Dulles Intl to Peru. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 17, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Peru at noon. Doing so could potentially save you 23% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Peru?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Peru. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Peru flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights from Washington, D.C. to Peru delayed?

About 13% of weekly flights between Washington, D.C. and Peru have experienced delays in the past year, with the average delay time being 33 minutes.

What is the most punctual flight time for Washington, D.C. to Peru flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Peru flights?

Over the last year, Icelandair have had the lowest number of delays on this route, with just 17% of flights being delayed.

Reviews of airlines servicing Peru

Get insights into the airlines that provide service to Peru. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Peru. Reviews last updated December 17, 2025.
See what other customers who have flown with Delta, Copa Airlines, and LATAM Airlines from Washington, D.C. Dulles Intl Airport to Peru have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Copa Airlines
7.6
Good
1,556 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,893 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,091 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Avianca
6.6
Okay
2,490 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Peru. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Peru?

    Airlines like United Airlines, Copa Airlines, and LATAM Airlines fly from Washington, D.C. Dulles Intl Airport to Peru in about 15h 11m. The time it takes to get you to your destination can typically vary by up to 8h 16m. Washington, D.C. Dulles Intl Airport and Peru are separated by a distance of 3519 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Peru one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Peru are Avianca ($164), Copa Airlines ($180), and LATAM Airlines ($187).

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Peru?

    Most travelers choose Washington, D.C. Dulles Intl - Lima J Chavez Intl, Washington, D.C. Dulles Intl - Cusco Velazco Astete or Washington, D.C. Dulles Intl - Chiclayo Cornel Ruiz when deciding on the best route from Washington, D.C. Dulles Intl Airport to Peru.

  • Can I find deals for flights from Dulles Intl to Peru that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Peru flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Peru?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Peru.

  • Can I find deals for business class flights from Dulles Intl to Peru?

    Yes. Cheapflights offers flight deals from Dulles Intl to Peru by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Peru?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Peru (average of $78). Flying from Washington, D.C. Dulles Intl Airport to Peru in April is currently the most expensive (average of $382). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Peru

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Dulles Intl to Peru

Discover the top 6 airlines that operate flights from Dulles Intl to Peru. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$330Average$768FlexibilityNo cancel feeOn-time81%
AviancaCheapest$345Average$570FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$372Average$492FlexibilityNo cancel feeOn-time70%
DeltaCheapest$389Average$620FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$392Average$466FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$491Average$669FlexibilityNo cancel feeOn-time71%

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