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Cheap flights from Lima to Washington, D.C. Dulles Intl Airport from £181

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
LIM — IAD
23 4월 — 30 4월1
1 adult

Cheap flight deals from Lima to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Lima (LIM) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 4월 2025.

Round-trip from

£326

One-way from

£181

Popular in

July

Cheapest in

May

Average price

£363
Copa Airlines
  • Copa Airlines
  • 28/8-10/9
  • 2 total stops
  • 30h 31m total
  • Lima to Washington, D.C.
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Copa Airlines
  • Copa Airlines
  • 16/5
  • 1 total stop
  • 20h 20m total
  • Lima to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£35 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Find flight deals from Lima to Dulles Intl

Cheapest flights from Lima to Dulles Intl
Explore the most affordable flight options available from Lima to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 4월 2025.

목 28/811:00LIM - IAD
1 stop16h 20mCopa Airlines
수 10/909:34IAD - LIM
1 stop14h 11mCopa Airlines
Deal found 17/4£326
월 6/1000:05LIM - IAD
2 stops17h 37mDelta
화 21/1006:00IAD - LIM
1 stop24h 00mDelta
Deal found 17/4£347
일 4/522:40LIM - IAD
1 stop22h 33mUnited Airlines
수 7/506:00IAD - LIM
1 stop18h 00mUnited Airlines
Deal found 18/4£448

Cheapflights Fare Finder

Customise your flight search to find flights from Lima to Dulles Intl 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 858,174 searches. Data last updated 18 4월 2025.
Use the filters below to find and compare flights from Lima to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Lima

Fly to

Dulles Intl

Route

Depart

Return

Price

LimaWashington, D.C.

LIM - IAD

LIMIAD

Lima J Chavez Intl

목 28/8

11:00-04:20

1 stop16h 20m

Washington, D.C. Dulles Intl

수 10/9

09:34-22:45

1 stop14h 11m

£326

LimaWashington, D.C.

LIM - IAD

LIMIAD

Lima J Chavez Intl

월 6/10

00:05-16:31

1 stop15h 26m

Washington, D.C. Dulles Intl

화 21/10

17:25-05:00

1 stop12h 35m

£347

LimaWashington, D.C.

LIM - IAD

LIMIAD

Lima J Chavez Intl

일 4/5

22:40-22:13

1 stop22h 33m

Washington, D.C. Dulles Intl

수 7/5

06:00-23:00

1 stop18h 00m

£448

LimaWashington, D.C.

LIM - IAD

LIMIAD

Lima J Chavez Intl

금 16/5

07:00-04:20

1 stop20h 20m

£181

LimaWashington, D.C.

LIM - IAD

LIMIAD

Lima J Chavez Intl

목 8/5

08:50-00:28

2 stops14h 38m

£184

LimaWashington, D.C.

LIM - IAD

LIMIAD

Lima J Chavez Intl

목 4/9

00:15-20:55

2 stops19h 40m

£191

LimaWashington, D.C.

LIM - IAD

LIMIAD

Lima J Chavez Intl

금 2/5

00:40-14:20

1 stop12h 40m

£250

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Best time to book a flight from Lima to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Lima with our price prediction graph.
Estimated return 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 Lima to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Lima to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Lima to Dulles Intl. Price data was last updated on 11 April 2025.

To ensure you get the cheapest price possible for a flight from Lima to Washington, D.C. Dulles Intl Airport, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Lima to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Lima to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 18 4월 2025.
Peruse reviews from past customers who have flown with Delta, Copa Airlines and United Airlines from Lima to Washington, D.C. to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Copa Airlines
7.6
Good
1,409 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • What airport do you fly from for flights from Lima to Washington, D.C. Dulles Intl?

    Most people fly from Lima J Chavez Intl (LIM) if they book a flight from Lima to Washington, D.C. Dulles Intl. On average, J Chavez Intl has 0 outbound flights to Washington, D.C. Dulles Intl per day from 0 airlines. Lima J Chavez Intl is conveniently located just 5.7 mi from Lima’s city center.

  • What are the cheapest airlines flying from Lima to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at £326, Copa Airlines will fly you from Lima to Washington, D.C. Dulles Intl Airport and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from £347 and £448, respectively. Copa Airlines is priced at 21% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Copa Airlines. According to our data, you can fly for as low as £181. Users have also found prices from £184 and £250 on Delta and United Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Lima to Dulles Intl 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 Lima to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Lima to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Lima to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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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