$389 Cheap Flights from Washington (DCA) to Ilhéus Airport (IOS)

View $389 flight on Sun, Dec 7, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Ilhéus Airport (IOS)

Cheap Flights from Washington to Ilhéus Airport (DCA-IOS)

Prices were available within the past 7 days and start at $389 for one-way flights and $785 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Jan 18 - Thu, Mar 5
DCA
Washington
IOS
Ilhéus
$785 Roundtrip, found 1 day ago
$785
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Jan 18 from Washington to Ilhéus, returning Thu, Mar 5, priced at $785 found 1 day ago
JetBlue Airways
Sun, Dec 7 - Sun, Dec 14
DCA
Washington
IOS
Ilhéus
$810 Roundtrip, found 3 days ago
$810
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sun, Dec 7 from Washington to Ilhéus, returning Sun, Dec 14, priced at $810 found 3 days ago
LATAM Airlines Group
Sun, Dec 7 - Sun, Dec 14
DCA
Washington
IOS
Ilhéus
$815 Roundtrip, found 3 days ago
$815
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sun, Dec 7 from Washington to Ilhéus, returning Sun, Dec 14, priced at $815 found 3 days ago
LATAM Airlines Group
Wed, Jan 21 - Sat, Mar 7
DCA
Washington
IOS
Ilhéus
$815 Roundtrip, found 1 day ago
$815
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Wed, Jan 21 from Washington to Ilhéus, returning Sat, Mar 7, priced at $815 found 1 day ago
LATAM Airlines Group
Sat, Dec 6 - Sat, Dec 13
DCA
Washington
IOS
Ilhéus
$824 Roundtrip, found 4 days ago
$824
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Sat, Dec 6 from Washington to Ilhéus, returning Sat, Dec 13, priced at $824 found 4 days ago
LATAM Airlines Group
Sun, Jan 18 - Sun, Mar 8
DCA
Washington
IOS
Ilhéus
$833 Roundtrip, found 1 day ago
$833
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sun, Jan 18 from Washington to Ilhéus, returning Sun, Mar 8, priced at $833 found 1 day ago
LATAM Airlines Group
Sun, Jan 18 - Mon, Mar 2
DCA
Washington
IOS
Ilhéus
$929 Roundtrip, found 1 day ago
$929
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sun, Jan 18 from Washington to Ilhéus, returning Mon, Mar 2, priced at $929 found 1 day ago
LATAM Airlines Group
Thu, Jan 15 - Sun, Mar 8
DCA
Washington
IOS
Ilhéus
$938 Roundtrip, found 1 day ago
$938
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Thu, Jan 15 from Washington to Ilhéus, returning Sun, Mar 8, priced at $938 found 1 day ago
JetBlue Airways
Sun, Dec 7 - Sun, Dec 14
DCA
Washington
IOS
Ilhéus
$980 Roundtrip, found 3 days ago
$980
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sun, Dec 7 from Washington to Ilhéus, returning Sun, Dec 14, priced at $980 found 3 days ago
GOL Linhas Aereas S.A.
Tue, Jan 13 - Sat, Feb 28
DCA
Washington
IOS
Ilhéus
$1,675 Roundtrip, found 4 days ago
$1,675
Roundtrip
found 4 days ago
Select GOL Linhas Aereas S.A. flight, departing Tue, Jan 13 from Washington to Ilhéus, returning Sat, Feb 28, priced at $1,675 found 4 days ago

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Ilheus Airport (IOS) cost?
Grab a cheap one-way flight from $389 or cheap return flight from $785 from Ronald Reagan Washington National Airport (DCA) to Ilheus Airport (IOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Ilheus Airport (IOS)?
The cheapest month to fly from DCA to IOS is January, when there's less demand. Off-peak season is usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Ilheus Airport (IOS)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest DCA to IOS flight.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Ilheus Airport (IOS)?
There aren't any daily direct flights departing from Ronald Reagan Washington National Airport (DCA) to Ilheus Airport (IOS). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from DCA to IOS?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on various 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 Ilheus Airport (IOS)?
To avoid potential delays on the Ronald Reagan Washington National Airport (DCA) to Ilheus Airport (IOS) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being 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 Ronald Reagan Washington National Airport (DCA) to Ilheus Airport (IOS) last-minute?
Last-minute fares from DCA to IOS are typically more expensive. To secure the lowest prices, start searching for flights ahead of time. That said, if you're flexible with your travel plans, it's possible to find a cheap fare right before your trip.
Is it cheaper to book a DCA to IOS flight and hotel package?
You can save money by securing a DCA to IOS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've selected your ideal flights and accommodations, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Ilheus Airport (IOS)?
Typically, it's possible to cancel or reschedule your DCA to IOS flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check 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.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Ilhéus Airport
Roundtrip price
$785
Distance
4446 mi

Book with confidence

Washington to Ilhéus Airport Flights

The cheapest times to fly from Washington to Ilhéus Airport

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

 

The best time to book a flight from Washington to Ilhéus Airport

Sunday is one of the best days to book for cheap flights from Washington to Ilhéus Airport: 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 Ilhéus Airport

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 Ilhéus Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $389 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 Ilhéus Airport 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 Ilhéus Airport 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 Ilhéus Airport Flights

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*Available to One Key members.