IAD - ASU

$653 Find Cheap Flights from Washington Dulles Airport to Asuncion - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$829
Typical prices: $983-$1,329
Copa Airlines
Fri 11/16Tue 11/20
IAD - ASU • 1 stop
Cheapest one-way
$653
Typical prices: $520-$762
Multiple Airlines
Tue 12/25
IAD - ASU • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Asuncion. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
17 weeks
in advance
Our data shows that travelers who book at least 17 weeks in advance save around 51% compared to booking last minute.
Insights
Insights
When to travel
August
Cheapest • 15% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Bogotá El Dorado (BOG)
Cheapest • Avg $1,052 (round-trip)
Panama City Tocumen Intl (PTY)
Shortest trip • 14h 00m (one-way)
Insights
Insights
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We hope you love your trip to Asuncion!
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Booking Insights
Flight Deals

Cheap Flights from Dulles Intl to Asuncion (IAD-ASU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Asuncion

Fri, Nov 6 - Wed, Nov 11
Copa Airlines Logo
1:16 am - 2:48 amIAD  Washington, D.C. Dulles Intl-ASU Asuncion Silvio Pettirossi
23h 32m1 stop Panama City Tocumen Intl
Copa Airlines Logo
3:56 am - 3:15 amASU  Asuncion Silvio Pettirossi-IAD Washington, D.C. Dulles Intl
25h 19m1 stop Panama City Tocumen Intl
$829Copa Airlines
Mon, Nov 16 - Fri, Nov 20
Copa Airlines Logo
3:37 pm - 5:25 amIAD  Washington, D.C. Dulles Intl-ASU Asuncion Silvio Pettirossi
11h 48m1 stop Panama City Tocumen Intl
Copa Airlines Logo
6:31 am - 11:33 pmASU  Asuncion Silvio Pettirossi-IAD Washington, D.C. Dulles Intl
19h 02m1 stop Panama City Tocumen Intl
$829Copa Airlines
Thu, Oct 29 - Sun, Nov 8
Copa Airlines Logo
2:25 am - 12:03 amIAD  Washington, D.C. Dulles Intl-ASU Asuncion Silvio Pettirossi
20h 38m1 stop Panama City Tocumen Intl
Copa Airlines Logo
6:31 am - 3:15 amASU  Asuncion Silvio Pettirossi-IAD Washington, D.C. Dulles Intl
22h 44m1 stop Panama City Tocumen Intl
$829Copa Airlines
Tue, Nov 10 - Thu, Nov 26
Copa Airlines Logo
3:37 pm - 5:25 amIAD  Washington, D.C. Dulles Intl-ASU Asuncion Silvio Pettirossi
11h 48m1 stop Panama City Tocumen Intl
Copa Airlines Logo
6:31 am - 3:15 amASU  Asuncion Silvio Pettirossi-IAD Washington, D.C. Dulles Intl
22h 44m1 stop Panama City Tocumen Intl
$829Copa Airlines
Thu, Nov 12 - Mon, Nov 16
Multiple Airlines Logo
4:30 pm - 6:15 amIAD  Washington, D.C. Dulles Intl-ASU Asuncion Silvio Pettirossi
35h 45m3 stops Toronto Pearson Intl Oranjestad Reina Beatrix Lima J Chavez Intl
Multiple Airlines Logo
10:33 pm - 4:30 amASU  Asuncion Silvio Pettirossi-IAD Washington, D.C. Dulles Intl
31h 57m3 stops Buenos Aires Jorge Newbery Santiago Arturo Merino Benitez Bogotá El Dorado
$1,054Multiple Airlines
Mon, Feb 22 - Mon, Mar 8
Avianca Logo
5:50 am - 5:55 amIAD  Washington, D.C. Dulles Intl-ASU Asuncion Silvio Pettirossi
22h 05m1 stop Bogotá El Dorado
Avianca Logo
7:55 am - 1:35 amASU  Asuncion Silvio Pettirossi-IAD Washington, D.C. Dulles Intl
19h 40m2 stops Bogotá El Dorado San Salvador El Salvador Intl
$1,098Avianca
Sat, Nov 7 - Thu, Nov 12
Avianca Logo
5:50 am - 5:55 amIAD  Washington, D.C. Dulles Intl-ASU Asuncion Silvio Pettirossi
22h 05m1 stop Bogotá El Dorado
Avianca Logo
7:55 am - 1:35 amASU  Asuncion Silvio Pettirossi-IAD Washington, D.C. Dulles Intl
19h 40m2 stops Bogotá El Dorado San Salvador El Salvador Intl
$1,098Avianca
Thu, Nov 12 - Mon, Nov 16
Avianca Logo
2:30 pm - 5:55 amIAD  Washington, D.C. Dulles Intl-ASU Asuncion Silvio Pettirossi
13h 25m1 stop Bogotá El Dorado
Avianca Logo
7:55 am - 1:35 amASU  Asuncion Silvio Pettirossi-IAD Washington, D.C. Dulles Intl
19h 40m2 stops Bogotá El Dorado San Salvador El Salvador Intl
$1,098Avianca
Mon, Feb 22 - Sun, Mar 7
Multiple Airlines Logo
5:50 am - 4:10 pmIAD  Washington, D.C. Dulles Intl-ASU Asuncion Silvio Pettirossi
32h 20m2 stops Bogotá El Dorado Santa Cruz de la Sierra Viru Viru Intl
Multiple Airlines Logo
4:10 am - 4:30 amASU  Asuncion Silvio Pettirossi-IAD Washington, D.C. Dulles Intl
50h 20m2 stops Santa Cruz de la Sierra Viru Viru Intl Bogotá El Dorado
$1,153Multiple Airlines
Mon, Oct 19 - Mon, Oct 26
Multiple Airlines Logo
5:20 pm - 6:05 amIAD  Washington, D.C. Dulles Intl-ASU Asuncion Silvio Pettirossi
35h 45m3 stops Toronto Island Cancun Lima J Chavez Intl
Multiple Airlines Logo
11:30 am - 2:10 pmASU  Asuncion Silvio Pettirossi-IAD Washington, D.C. Dulles Intl
27h 40m2 stops Santiago Arturo Merino Benitez Bogotá El Dorado
$1,159Multiple Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Asuncion flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Asuncion with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Asuncion?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Asuncion start at $829. Prices are below average for this route right now, with typical round-trip fares ranging from $983 to $1,329. The lowest price found in the past 5 days was $829 on Copa Airlines.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Asuncion?

Thursday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Asuncion, it is 8% cheaper than the average day. Friday is the most expensive day with flight prices 9% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • August is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Asuncion at $960 round-trip.
  • December ($1,390) and May ($1,342) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 44% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. Dulles Intl Airport to Asuncion the cheapest?

Flights from Washington, D.C. Dulles Intl Airport to Asuncion are cheapest 17 weeks before departure. Booking in this window typically costs about 51% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Washington, D.C. Dulles Intl Airport to Asuncion flights

Low season

October

Cheapest flight

$653
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 14% lower on average.
Flight from Washington, D.C. Dulles Intl Airport to Asuncion

When to book flights from Dulles Intl to Asuncion

Are your dates flexible? Find out the best times to travel from Dulles Intl to Asuncion based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Asuncion flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Asuncion?

    Flights from Washington, D.C. Dulles Intl Airport to Asuncion usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Asuncion Silvio Pettirossi (ASU).

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Asuncion?

    Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Asuncion:

    • Economy Class
    • Business Class

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Asuncion pass through?

    Connecting flights from Washington, D.C. Dulles Intl Airport to Asuncion most commonly pass through:

    • Panama City Tocumen Intl (PTY) - 98% of one-stop connections
    • Bogotá El Dorado (BOG) - 2% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Asuncion?

    Yes. Being flexible with your travel dates can save you up to 16% on the Washington, D.C. Dulles Intl Airport to Asuncion route. Thursday is the cheapest departure day at $1,047 round-trip on average, while Friday is the most expensive at $1,242, a difference of $195. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How expensive are last-minute Washington, D.C. Dulles Intl Airport to Asuncion flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 13% above the route average of $1,135. Book 17 weeks before departure for the lowest fares.

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

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Asuncion takes 0h 00m, covering 4,615 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Asuncion?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to Asuncion changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $829 to $3,477. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Asuncion looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Asuncion are currently higher than usual. Average one-way flight prices are about $908, which is 33% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to Asuncion?

    Flying via Panama City Tocumen Intl (PTY) gives the shortest average 1-stop total travel time at 14h 00m, compared with 17h 17m via Bogotá El Dorado (BOG).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Asuncion?

    Asuncion is 1 hour ahead of Washington, D.C. Dulles Intl Airport (Paraguay Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Asuncion Silvio Pettirossi Airport (ASU)?

    Asuncion Silvio Pettirossi Airport (ASU) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:
    · Hertz
    · Alamo
    · Localiza
    · Sixt
    · Dollar

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Asuncion flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Asuncion range from $983 to $1,329, with an average of $1,135 over the past 12 months. Anything below $983 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to Asuncion flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Friday. On this route, Thursday flights average $1,047 - about $195 less than Friday (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 17 weeks before you fly. On this route, that window historically saves about 51% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Asuncion trip for August. Fares historically average $960 round-trip in that month - typically $430 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Asuncion Silvio Pettirossi Airport.
    - Bourbon Conmebol Asuncion Convention Hotel

More options for your flight from Dulles Intl to Asuncion

Complete your trip to Asuncion with a hotel stay or car rental

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