Popular airlines from Ronald Reagan Washington National Airport (DCA) to Iguassu Falls (IGU-Foz do Iguacu Intl.)

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Cheap Flights from Washington to Iguassu Falls (DCA-IGU)

Prices were available within the past 7 days and start at $369 for one-way flights and $785 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Fri, Jul 24 - Sun, Aug 2
DCA
Washington
IGU
Foz do Iguaçu
$785 Roundtrip, found 7 hours ago
$785
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Fri, Jul 24 from Washington to Foz do Iguaçu, returning Sun, Aug 2, priced at $785 found 7 hours ago
JetBlue Airways
Fri, Jul 24 - Sun, Aug 2
DCA
Washington
IGU
Foz do Iguaçu
$790 Roundtrip, found 7 hours ago
$790
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Fri, Jul 24 from Washington to Foz do Iguaçu, returning Sun, Aug 2, priced at $790 found 7 hours ago
LATAM Airlines Group
Thu, Jul 30 - Sat, Aug 8
DCA
Washington
IGU
Foz do Iguaçu
$796 Roundtrip, found 3 days ago
$796
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Thu, Jul 30 from Washington to Foz do Iguaçu, returning Sat, Aug 8, priced at $796 found 3 days ago
LATAM Airlines Group
Thu, Jul 30 - Sat, Aug 8
DCA
Washington
IGU
Foz do Iguaçu
$799 Roundtrip, found 3 days ago
$799
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Thu, Jul 30 from Washington to Foz do Iguaçu, returning Sat, Aug 8, priced at $799 found 3 days ago
LATAM Airlines Group
Sun, Nov 2 - Thu, Nov 6
DCA
Washington
IGU
Foz do Iguaçu
$799 Roundtrip, found 6 days ago
$799
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Sun, Nov 2 from Washington to Foz do Iguaçu, returning Thu, Nov 6, priced at $799 found 6 days ago
LATAM Airlines Group
Mon, Mar 30 - Thu, Apr 9
DCA
Washington
IGU
Foz do Iguaçu
$803 Roundtrip, found 3 days ago
$803
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Mon, Mar 30 from Washington to Foz do Iguaçu, returning Thu, Apr 9, priced at $803 found 3 days ago
LATAM Airlines Group
Sun, Nov 2 - Thu, Nov 6
DCA
Washington
IGU
Foz do Iguaçu
$804 Roundtrip, found 6 days ago
$804
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Sun, Nov 2 from Washington to Foz do Iguaçu, returning Thu, Nov 6, priced at $804 found 6 days ago
United
Fri, Nov 14 - Tue, Nov 25
DCA
Washington
IGU
Foz do Iguaçu
$819 Roundtrip, found 5 days ago
$819
Roundtrip
found 5 days ago
Select United flight, departing Fri, Nov 14 from Washington to Foz do Iguaçu, returning Tue, Nov 25, priced at $819 found 5 days ago
Delta
Mon, Nov 10 - Thu, Nov 13
DCA
Washington
IGU
Foz do Iguaçu
$889 Roundtrip, found 5 days ago
$889
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Nov 10 from Washington to Foz do Iguaçu, returning Thu, Nov 13, priced at $889 found 5 days ago
Air Canada
Sat, Mar 14 - Sat, Mar 21
DCA
Washington
IGU
Foz do Iguaçu
$1,081 Roundtrip, found 2 days ago
$1,081
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sat, Mar 14 from Washington to Foz do Iguaçu, returning Sat, Mar 21, priced at $1,081 found 2 days ago

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Foz do Iguacu Intl. Airport (IGU) cost?
Snag a cheap one-way flight from $369 or cheap return flight from $785 from Ronald Reagan Washington National Airport (DCA) to Foz do Iguacu Intl. Airport (IGU) 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 Ronald Reagan Washington National Airport (DCA) to Foz do Iguacu Intl. Airport (IGU)?
Flying in July may help you find better deals, as it's the cheapest month for flights between DCA and IGU. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Foz do Iguacu Intl. Airport (IGU)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from DCA to IGU. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Foz do Iguacu Intl. Airport (IGU)?
There are no daily nonstop flights available from Ronald Reagan Washington National Airport (DCA) to Foz do Iguacu Intl. Airport (IGU). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from DCA to IGU?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Foz do Iguacu Intl. Airport (IGU)?
Book a flight from Ronald Reagan Washington National Airport (DCA) to Foz do Iguacu Intl. Airport (IGU) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this 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 Ronald Reagan Washington National Airport (DCA) to Foz do Iguacu Intl. Airport (IGU) last-minute?
Booking your flight from DCA to IGU shortly before your trip is generally more expensive. But if there's some wiggle room with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a DCA to IGU flight and hotel package?
Booking a DCA to IGU flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Foz do Iguacu Intl. Airport (IGU)?
In most cases, you're able to cancel or reschedule your DCA to IGU flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need more details, head to our Customer Service portal.

Book with confidence

Washington to Iguassu Falls Flights

The cheapest times to fly from Washington to Iguassu Falls

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 Washington to Iguassu Falls are during the month of July. You can find some of the cheapest flights from Washington to Iguassu Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Iguassu Falls

Sunday is one of the best days to book for cheap flights from Washington to Iguassu Falls: 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 Washington to Iguassu Falls

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 Washington to Iguassu Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $369 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 Washington to Iguassu Falls 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 Washington to Iguassu Falls 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.

 

Washington to Iguassu Falls Flights

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*Available to One Key members.