$403 Cheap Flights from Iguazu (IGR) to Washington (IAD)

View $403 flight on Wed, Mar 11, 2026Opens in a new window

Popular airlines from Iguazu (IGR-Cataratas del Iguazu Intl.) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Iguazu to Washington (IGR-IAD)

Prices were available within the past 7 days and start at $403 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Cataratas del Iguazu Intl. Airport (IGR) to Washington Dulles Intl. Airport (IAD) cost?
Get a cheap one-way flight from $403 or cheap return flight from Cataratas del Iguazu Intl. Airport (IGR) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Cataratas del Iguazu Intl. Airport (IGR) to Washington Dulles Intl. Airport (IAD)?
Flying in is a great way to save, as it's the cheapest month for flights between IGR and IAD. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Cataratas del Iguazu Intl. Airport (IGR) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline that'll fly you from IGR to IAD, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Cataratas del Iguazu Intl. Airport (IGR) to Washington Dulles Intl. Airport (IAD)?
You'll need to catch a flight with a layover if you're traveling from Cataratas del Iguazu Intl. Airport (IGR) to Washington Dulles Intl. Airport (IAD). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from IGR to IAD?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cataratas del Iguazu Intl. Airport (IGR) to Washington Dulles Intl. Airport (IAD)?
Choose a flight from Cataratas del Iguazu Intl. Airport (IGR) to Washington Dulles Intl. Airport (IAD) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cataratas del Iguazu Intl. Airport (IGR) to Washington Dulles Intl. Airport (IAD) last-minute?
Waiting until just before your departure to book your flight from IGR to IAD generally means paying more. While you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary for the best chance of getting a bargain.
Is it cheaper to book an IGR to IAD flight and hotel package?
Booking an IGR to IAD flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cataratas del Iguazu Intl. Airport (IGR) to Washington Dulles Intl. Airport (IAD)?
Typically, it's possible to reschedule or cancel your IGR to IAD flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Cataratas del Iguazu Intl.
Destination airport
Washington Dulles Intl.
Distance
4709 mi

Book with confidence

Iguazu to Washington Flights

The cheapest times to fly from Iguazu to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Iguazu to Washington are during the month of . You can find some of the cheapest flights from Iguazu to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Iguazu to Washington

Sunday is one of the best days to book for cheap flights from Iguazu to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Iguazu to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Iguazu to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $403 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Iguazu to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Iguazu to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Iguazu to Washington Flights

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*Available to One Key members.