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Cheap flights from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu from $369

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu departing on 11/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
7:59 pm - 11:55 pmIAD-IGU
26h 56m2 stops
LATAM Airlines Logo
11:35 am - 2:51 pmIGU-IAD
28h 16m2 stops
$549LATAM Airlines
Find Deal
Tue, Mar 24 - Thu, Mar 26
LATAM Airlines Logo
7:50 pm - 11:55 pmIAD-IGU
27h 05m2 stops
LATAM Airlines Logo
11:35 am - 2:51 pmIGU-IAD
28h 16m2 stops
$589LATAM Airlines
Find Deal
Tue, Mar 24 - Thu, Mar 26
Delta Logo
10:05 am - 9:15 amIAD-IGU
22h 10m2 stops
Delta Logo
4:55 am - 12:07 amIGU-IAD
20h 12m2 stops
$765Delta
Find Deal
Wed, Mar 11 - Wed, Mar 18
LATAM Airlines Logo
5:59 pm - 4:25 pmIAD-IGU
20h 26m2 stops
LATAM Airlines Logo
7:35 pm - 11:39 amIGU-IAD
18h 04m2 stops
$795LATAM Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
Multiple Airlines Logo
7:01 am - 4:25 pmIAD-IGU
31h 24m2 stops
Multiple Airlines Logo
4:55 am - 1:57 pmIGU-IAD
35h 02m2 stops
$847Multiple Airlines
Find Deal
Tue, Dec 2 - Mon, Dec 8
Multiple Airlines Logo
4:00 am - 8:00 amIAD-IGU
27h 00m3 stops
Multiple Airlines Logo
2:45 pm - 2:15 pmIGU-IAD
24h 30m3 stops
$860Multiple Airlines
Find Deal
Wed, Mar 11 - Wed, Mar 18
Avianca Logo
6:45 am - 11:55 pmIAD-IGU
40h 10m2 stops
Avianca Logo
3:20 am - 2:15 pmIGU-IAD
35h 55m2 stops
$1,244Avianca
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Wed, Mar 11 - Tue, Mar 17
Copa Airlines Logo
2:18 am - 10:50 amIAD-IGU
31h 32m2 stops
Copa Airlines Logo
5:20 am - 12:32 amIGU-IAD
20h 12m2 stops
$1,316Copa Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 18
Copa Airlines Logo
1:13 am - 10:40 amIAD-IGU
31h 27m2 stops
Copa Airlines Logo
5:40 am - 11:33 pmIGU-IAD
19h 53m2 stops
$1,640Copa Airlines
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Mon, Dec 1 - Tue, Dec 9
Delta Logo
4:55 pm - 4:25 pmIAD-IGU
21h 30m2 stops
Delta Logo
4:55 am - 12:12 amIGU-IAD
21h 17m2 stops
$4,635Delta
Find Deal
Mon, Dec 22 - Thu, Jan 1

LATAM Airlines flights from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu

Our best LATAM Airlines deals on Washington, D.C. Dulles Intl Airport to Foz do Iguaçu flight tickets
LATAM Airlines
Mar 24
IAD7:59 pmWashington, D.C. Dulles Intl
26h 56m
2 stops
IGU11:55 pmFoz do Iguaçu Cataratas
Mar 26
IGU11:35 amFoz do Iguaçu Cataratas
28h 16m
2 stops
IAD2:51 pmWashington, D.C. Dulles Intl
$549
Find similar
LATAM Airlines
Mar 24
IAD7:50 pmWashington, D.C. Dulles Intl
27h 05m
2 stops
IGU11:55 pmFoz do Iguaçu Cataratas
Mar 26
IGU11:35 amFoz do Iguaçu Cataratas
28h 16m
2 stops
IAD2:51 pmWashington, D.C. Dulles Intl
$589
Find similar
LATAM Airlines
Dec 2
IAD5:59 pmWashington, D.C. Dulles Intl
20h 26m
2 stops
IGU4:25 pmFoz do Iguaçu Cataratas
Dec 9
IGU7:35 pmFoz do Iguaçu Cataratas
18h 04m
2 stops
IAD11:39 amWashington, D.C. Dulles Intl
$795
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Delta flights from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Foz do Iguaçu flight tickets
Delta
Mar 11
IAD10:05 amWashington, D.C. Dulles Intl
22h 10m
2 stops
IGU9:15 amFoz do Iguaçu Cataratas
Mar 18
IGU4:55 amFoz do Iguaçu Cataratas
20h 12m
2 stops
IAD12:07 amWashington, D.C. Dulles Intl
$765
Find similar
Delta
Dec 22
IAD4:55 pmWashington, D.C. Dulles Intl
21h 30m
2 stops
IGU4:25 pmFoz do Iguaçu Cataratas
Jan 1
IGU4:55 amFoz do Iguaçu Cataratas
21h 17m
2 stops
IAD12:12 amWashington, D.C. Dulles Intl
$4,635
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 20, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Foz do Iguaçu

IAD - IGU

IADIGU

Washington, D.C. Dulles Intl

Tue 3/24

7:59 pm-11:55 pm

2 stops26h 56m

Foz do Iguaçu Cataratas

Thu 3/26

11:35 am-2:51 pm

2 stops28h 16m

$549

Washington, D.C.Foz do Iguaçu

IAD - IGU

IADIGU

Washington, D.C. Dulles Intl

Tue 3/24

7:50 pm-11:55 pm

2 stops27h 05m

Foz do Iguaçu Cataratas

Thu 3/26

11:35 am-2:51 pm

2 stops28h 16m

$589

Washington, D.C.Foz do Iguaçu

IAD - IGU

IADIGU

Washington, D.C. Dulles Intl

Wed 3/11

10:05 am-9:15 am

2 stops22h 10m

Foz do Iguaçu Cataratas

Wed 3/18

4:55 am-12:07 am

2 stops20h 12m

$765

Washington, D.C.Foz do Iguaçu

IAD - IGU

IADIGU

Washington, D.C. Dulles Intl

Tue 12/2

5:59 pm-4:25 pm

2 stops20h 26m

Foz do Iguaçu Cataratas

Tue 12/9

7:35 pm-11:39 am

2 stops18h 04m

$795

Washington, D.C.Foz do Iguaçu

IAD - IGU

IADIGU

Washington, D.C. Dulles Intl

Tue 12/2

7:01 am-4:25 pm

2 stops31h 24m

Foz do Iguaçu Cataratas

Mon 12/8

4:55 am-1:57 pm

2 stops35h 02m

$847

Washington, D.C.Foz do Iguaçu

IAD - IGU

IADIGU

Washington, D.C. Dulles Intl

Wed 3/11

4:00 am-8:00 am

3 stops27h 00m

Foz do Iguaçu Cataratas

Wed 3/18

2:45 pm-2:15 pm

3 stops24h 30m

$860

Washington, D.C.Foz do Iguaçu

IAD - IGU

IADIGU

Washington, D.C. Dulles Intl

Wed 3/11

6:45 am-11:55 pm

2 stops40h 10m

Foz do Iguaçu Cataratas

Tue 3/17

3:20 am-2:15 pm

2 stops35h 55m

$1,244

Washington, D.C.Foz do Iguaçu

IAD - IGU

IADIGU

Washington, D.C. Dulles Intl

Tue 3/10

2:18 am-10:50 am

2 stops31h 32m

Foz do Iguaçu Cataratas

Wed 3/18

5:20 am-12:32 am

2 stops20h 12m

$1,316

Washington, D.C.Foz do Iguaçu

IAD - IGU

IADIGU

Washington, D.C. Dulles Intl

Mon 12/1

1:13 am-10:40 am

2 stops31h 27m

Foz do Iguaçu Cataratas

Tue 12/9

5:40 am-11:33 pm

2 stops19h 53m

$1,640

Washington, D.C.Foz do Iguaçu

IAD - IGU

IADIGU

Washington, D.C. Dulles Intl

Mon 12/22

4:55 pm-4:25 pm

2 stops21h 30m

Foz do Iguaçu Cataratas

Thu 1/1

4:55 am-12:12 am

2 stops21h 17m

$4,635

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Foz do Iguaçu from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Foz do Iguaçu?

Our data shows that Tuesday is the least expensive day to fly to Foz do Iguaçu. Tickets to fly out on this day can be as low as $880. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,461. These prices are subject to change though, so be sure to set up a Price Alert for flights to Foz do Iguaçu.

What is the cheapest time of day to depart on your flight to Foz do Iguaçu?

According to our data, the cheapest time of day to fly to Foz do Iguaçu is at noon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu at noon for as low as $880. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Foz do Iguaçu are more costly in the afternoon, with an average ticket price of $1,142. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Foz do Iguaçu (IAD to IGU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu.
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  • How far is Washington, D.C. Dulles Intl to Foz do Iguaçu Cataratas by plane?

    Foz do Iguaçu Cataratas is 4691.5 mi away from Washington, D.C. Dulles Intl. 18h 15m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu Cataratas Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu Cataratas Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu Cataratas Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Foz do Iguaçu Cataratas Airport.

  • What documentation or ID do you need to fly to Foz do Iguaçu Cataratas Airport?

    The necessary travel and health documents for your Foz do Iguaçu Cataratas Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Foz do Iguaçu?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Foz do Iguaçu. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Foz do Iguaçu with flexible booking policies on momondo?

Yes. All flights to Foz do Iguaçu from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Foz do Iguaçu?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Foz do Iguaçu.

I’m not ready to book a flight from Washington, D.C. to Foz do Iguaçu right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Foz do Iguaçu, momondo offers a useful price alert feature which will track prices for flights to Foz do Iguaçu from Washington, D.C. and alert you when they change.

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