$667 Cheap Flights from London (LHR) to Iguassu Falls (IGU)

View $667 flight on Tue, Apr 21, 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Iguassu Falls (IGU-Foz do Iguacu Intl.)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from London to Iguassu Falls (LHR-IGU)

Prices were available within the past 7 days and start at $667 for one-way flights and $2,603 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Tue, Dec 16 - Thu, Jan 8
LHR
London
IGU
Foz do Iguaçu
$2,603 Roundtrip, found 2 days ago
$2,603
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Tue, Dec 16 from London to Foz do Iguaçu, returning Thu, Jan 8, priced at $2,603 found 2 days ago
TAP Portugal
Tue, Dec 16 - Thu, Jan 8
LHR
London
IGU
Foz do Iguaçu
$2,616 Roundtrip, found 2 days ago
$2,616
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Tue, Dec 16 from London to Foz do Iguaçu, returning Thu, Jan 8, priced at $2,616 found 2 days ago
TAP Portugal
Tue, Dec 16 - Thu, Jan 8
LHR
London
IGU
Foz do Iguaçu
$2,624 Roundtrip, found 2 days ago
$2,624
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Tue, Dec 16 from London to Foz do Iguaçu, returning Thu, Jan 8, priced at $2,624 found 2 days ago
TAP Portugal
Tue, Dec 16 - Thu, Jan 8
LHR
London
IGU
Foz do Iguaçu
$2,676 Roundtrip, found 2 days ago
$2,676
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Tue, Dec 16 from London to Foz do Iguaçu, returning Thu, Jan 8, priced at $2,676 found 2 days ago
TAP Portugal
Tue, Dec 16 - Thu, Jan 8
LHR
London
IGU
Foz do Iguaçu
$2,689 Roundtrip, found 2 days ago
$2,689
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Tue, Dec 16 from London to Foz do Iguaçu, returning Thu, Jan 8, priced at $2,689 found 2 days ago
TAP Portugal
Tue, Dec 16 - Thu, Jan 8
LHR
London
IGU
Foz do Iguaçu
$2,697 Roundtrip, found 2 days ago
$2,697
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Tue, Dec 16 from London to Foz do Iguaçu, returning Thu, Jan 8, priced at $2,697 found 2 days ago
TAP Portugal
Tue, Dec 16 - Thu, Jan 8
LHR
London
IGU
Foz do Iguaçu
$2,722 Roundtrip, found 2 days ago
$2,722
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Tue, Dec 16 from London to Foz do Iguaçu, returning Thu, Jan 8, priced at $2,722 found 2 days ago
TAP Portugal
Tue, Dec 16 - Thu, Jan 8
LHR
London
IGU
Foz do Iguaçu
$2,735 Roundtrip, found 2 days ago
$2,735
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Tue, Dec 16 from London to Foz do Iguaçu, returning Thu, Jan 8, priced at $2,735 found 2 days ago
Lufthansa
Wed, Dec 17 - Wed, Jan 7
LHR
London
IGU
Foz do Iguaçu
$3,849 Roundtrip, found 3 days ago
$3,849
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Dec 17 from London to Foz do Iguaçu, returning Wed, Jan 7, priced at $3,849 found 3 days ago
Swiss International Air Lines
Fri, Dec 19 - Sat, Jan 10
LHR
London
IGU
Foz do Iguaçu
$3,977 Roundtrip, found 3 hours ago
$3,977
Roundtrip
found 3 hours ago
Select Swiss International Air Lines flight, departing Fri, Dec 19 from London to Foz do Iguaçu, returning Sat, Jan 10, priced at $3,977 found 3 hours ago
Flights from London (LHR) to Iguassu Falls (IGU)
Origin airport
Heathrow
Destination airport
Foz do Iguacu Intl.
Roundtrip price
$2,603
Distance
6250 mi

London to Iguassu Falls Flights

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

 

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

Sunday is one of the best days to book for cheap flights from London 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 London 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 London to Iguassu Falls in 2026. You can also book with separate airlines for your outbound and return journeys, from $667 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 London 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 London 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.

 

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Foz do Iguacu Intl. Airport (IGU) cost?
Get a cheap one-way flight from $667 or cheap return flight from $2,603 from Heathrow Airport (LHR) 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 Heathrow Airport (LHR) to Foz do Iguacu Intl. Airport (IGU)?
Planning your getaway for December is a great way to save, as it's the cheapest month for flights between LHR and IGU. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Foz do Iguacu Intl. Airport (IGU)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest LHR to IGU flight.
How many flights per day from Heathrow Airport (LHR) to Foz do Iguacu Intl. Airport (IGU)?
Direct flights from Heathrow Airport (LHR) to Foz do Iguacu Intl. Airport (IGU) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LHR to IGU?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Heathrow Airport (LHR) to Foz do Iguacu Intl. Airport (IGU)?
To arrive at Foz do Iguacu Intl. Airport (IGU) without delays, select a flight that takes off from Heathrow Airport (LHR) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Heathrow Airport (LHR) to Foz do Iguacu Intl. Airport (IGU) last-minute?
Last-minute fares from LHR to IGU are generally more expensive. To secure the cheapest rates, start looking for flights as soon as possible. That being said, if you're flexible with your travel dates, it's possible to find a cheap fare right before you leave.
Is it cheaper to book a LHR to IGU flight and hotel package?
You'll typically save money by securing a LHR to IGU flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After choosing your ideal flights and accommodations, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Foz do Iguacu Intl. Airport (IGU)?
If you booked your LHR to IGU flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.