Popular airlines from Seattle-Tacoma International Airport (SEA) to Iguassu Falls (IGU-Foz do Iguacu Intl.)

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Cheap Flights from Seattle to Iguassu Falls (SEA-IGU)

Prices were available within the past 7 days and start at $565 for one-way flights and $907 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Nov 7 - Sun, Nov 9
SEA
Seattle
IGU
Foz do Iguaçu
$907 Roundtrip, found 5 days ago
$907
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Nov 7 from Seattle to Foz do Iguaçu, returning Sun, Nov 9, priced at $907 found 5 days ago
Air Canada
Wed, Mar 11 - Thu, Mar 19
SEA
Seattle
IGU
Foz do Iguaçu
$924 Roundtrip, found 5 days ago
$924
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Mar 11 from Seattle to Foz do Iguaçu, returning Thu, Mar 19, priced at $924 found 5 days ago
Delta
Mon, Nov 3 - Sat, Nov 15
SEA
Seattle
IGU
Foz do Iguaçu
$932 Roundtrip, found 5 days ago
$932
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Nov 3 from Seattle to Foz do Iguaçu, returning Sat, Nov 15, priced at $932 found 5 days ago
Alaska Airlines
Mon, Jan 26 - Mon, Feb 16
SEA
Seattle
IGU
Foz do Iguaçu
$935 Roundtrip, found 23 hours ago
$935
Roundtrip
found 23 hours ago
Select Alaska Airlines flight, departing Mon, Jan 26 from Seattle to Foz do Iguaçu, returning Mon, Feb 16, priced at $935 found 23 hours ago
LATAM Airlines Group
Mon, Jan 26 - Mon, Feb 16
SEA
Seattle
IGU
Foz do Iguaçu
$940 Roundtrip, found 23 hours ago
$940
Roundtrip
found 23 hours ago
Select LATAM Airlines Group flight, departing Mon, Jan 26 from Seattle to Foz do Iguaçu, returning Mon, Feb 16, priced at $940 found 23 hours ago
LATAM Airlines Group
Thu, Sep 3 - Mon, Sep 21
SEA
Seattle
IGU
Foz do Iguaçu
$945 Roundtrip, found 6 hours ago
$945
Roundtrip
found 6 hours ago
Select LATAM Airlines Group flight, departing Thu, Sep 3 from Seattle to Foz do Iguaçu, returning Mon, Sep 21, priced at $945 found 6 hours ago
Alaska Airlines
Mon, Nov 10 - Fri, Nov 14
SEA
Seattle
IGU
Foz do Iguaçu
$949 Roundtrip, found 2 days ago
$949
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Nov 10 from Seattle to Foz do Iguaçu, returning Fri, Nov 14, priced at $949 found 2 days ago
LATAM Airlines Group
Sat, Jan 24 - Mon, Feb 16
SEA
Seattle
IGU
Foz do Iguaçu
$950 Roundtrip, found 1 day ago
$950
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sat, Jan 24 from Seattle to Foz do Iguaçu, returning Mon, Feb 16, priced at $950 found 1 day ago
LATAM Airlines Group
Mon, Nov 10 - Fri, Nov 14
SEA
Seattle
IGU
Foz do Iguaçu
$954 Roundtrip, found 2 days ago
$954
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Mon, Nov 10 from Seattle to Foz do Iguaçu, returning Fri, Nov 14, priced at $954 found 2 days ago
GOL Linhas Aereas S.A.
Wed, May 6 - Fri, May 15
SEA
Seattle
IGU
Foz do Iguaçu
$1,755 Roundtrip, found 2 days ago
$1,755
Roundtrip
found 2 days ago
Select GOL Linhas Aereas S.A. flight, departing Wed, May 6 from Seattle to Foz do Iguaçu, returning Fri, May 15, priced at $1,755 found 2 days ago

Alternative airports near Foz do Iguaçu

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cataratas del Iguazu Intl. IGR. Cheapest option available. Average driving time to city center is 33 minutes. Flights from $1,247
IGR
Cataratas del Iguazu Intl.
Cheapest
Average driving time to city center33 min
Flights from $1,247

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Foz do Iguacu Intl. Airport (IGU) cost?
Snag a cheap one-way flight from $565 or cheap return flight from $907 from Seattle - Tacoma Intl. Airport (SEA) 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 offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Foz do Iguacu Intl. Airport (IGU)?
November is the least expensive month to fly from SEA to IGU. Traveling during an off-peak travel window is often the key to scoring lower fares.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Foz do Iguacu Intl. Airport (IGU)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from SEA to IGU. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Foz do Iguacu Intl. Airport (IGU)?
Direct flights from Seattle - Tacoma Intl. Airport (SEA) to Foz do Iguacu Intl. Airport (IGU) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to IGU?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various factors, such as the season 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 Seattle - Tacoma Intl. Airport (SEA) to Foz do Iguacu Intl. Airport (IGU)?
Choose a flight from Seattle - Tacoma Intl. Airport (SEA) to Foz do Iguacu Intl. Airport (IGU) that takes off before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**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 Seattle - Tacoma Intl. Airport (SEA) to Foz do Iguacu Intl. Airport (IGU) last-minute?
Waiting until just before your departure to book a flight from SEA to IGU generally means paying more. While you might find some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of landing a bargain.
Is it cheaper to book a SEA to IGU flight and hotel package?
Compared with arranging flights and hotels separately, booking a SEA to IGU flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place takes the hassle out of travel planning. Simply secure your flights and select from our extensive range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Foz do Iguacu Intl. Airport (IGU)?
You can usually cancel or reschedule your SEA to IGU flight. However, for bookings made more than 24 hours ago, additional charges 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 details on our Customer Service portal.

Book with confidence

Seattle to Iguassu Falls Flights

The cheapest times to fly from Seattle 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 Seattle to Iguassu Falls are during the month of November. You can find some of the cheapest flights from Seattle to Iguassu Falls with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle to Iguassu Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $565 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 Seattle 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 Seattle 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.

 

Seattle to Iguassu Falls Flights

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*Available to One Key members.