$409 Cheap Flights from Washington (IAD) to Sinop (OPS)

View $409 flight on Mon, Oct 27, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Sinop (OPS-Presidente Joao Figueiredo)

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Cheap Flights from Washington to Sinop (IAD-OPS)

Prices were available within the past 7 days and start at $409 for one-way flights and $964 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Thu, Nov 20 - Thu, Nov 27
IAD
Washington
OPS
Sinop
$964 Roundtrip, found 2 days ago
$964
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, Nov 20 from Washington to Sinop, returning Thu, Nov 27, priced at $964 found 2 days ago
LATAM Airlines Group
Thu, Nov 20 - Thu, Nov 27
IAD
Washington
OPS
Sinop
$1,083 Roundtrip, found 2 days ago
$1,083
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, Nov 20 from Washington to Sinop, returning Thu, Nov 27, priced at $1,083 found 2 days ago
LATAM Airlines Group
Thu, Nov 20 - Thu, Nov 27
IAD
Washington
OPS
Sinop
$1,134 Roundtrip, found 2 days ago
$1,134
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, Nov 20 from Washington to Sinop, returning Thu, Nov 27, priced at $1,134 found 2 days ago
LATAM Airlines Group
Thu, Nov 20 - Thu, Nov 27
IAD
Washington
OPS
Sinop
$1,253 Roundtrip, found 2 days ago
$1,253
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, Nov 20 from Washington to Sinop, returning Thu, Nov 27, priced at $1,253 found 2 days ago
LATAM Airlines Group
Thu, Nov 20 - Thu, Nov 27
IAD
Washington
OPS
Sinop
$1,479 Roundtrip, found 2 days ago
$1,479
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, Nov 20 from Washington to Sinop, returning Thu, Nov 27, priced at $1,479 found 2 days ago
LATAM Airlines Group
Thu, Nov 20 - Thu, Nov 27
IAD
Washington
OPS
Sinop
$1,490 Roundtrip, found 2 days ago
$1,490
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, Nov 20 from Washington to Sinop, returning Thu, Nov 27, priced at $1,490 found 2 days ago
LATAM Airlines Group
Thu, Nov 20 - Thu, Nov 27
IAD
Washington
OPS
Sinop
$1,527 Roundtrip, found 2 days ago
$1,527
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, Nov 20 from Washington to Sinop, returning Thu, Nov 27, priced at $1,527 found 2 days ago
LATAM Airlines Group
Thu, Nov 20 - Thu, Nov 27
IAD
Washington
OPS
Sinop
$1,555 Roundtrip, found 2 days ago
$1,555
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, Nov 20 from Washington to Sinop, returning Thu, Nov 27, priced at $1,555 found 2 days ago
LATAM Airlines Group
Thu, Nov 20 - Thu, Nov 27
IAD
Washington
OPS
Sinop
$1,567 Roundtrip, found 2 days ago
$1,567
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, Nov 20 from Washington to Sinop, returning Thu, Nov 27, priced at $1,567 found 2 days ago
Azul
Sun, Nov 30 - Fri, Jan 2
IAD
Washington
OPS
Sinop
$5,766 Roundtrip, found 6 days ago
$5,766
Roundtrip
found 6 days ago
Select Azul flight, departing Sun, Nov 30 from Washington to Sinop, returning Fri, Jan 2, priced at $5,766 found 6 days ago

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Presidente Joao Figueiredo Airport (OPS) cost?
Snag a cheap one-way flight from $409 or cheap return flight from $964 from Washington Dulles Intl. Airport (IAD) to Presidente Joao Figueiredo Airport (OPS) 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 Washington Dulles Intl. Airport (IAD) to Presidente Joao Figueiredo Airport (OPS)?
November is the most affordable month to fly from IAD to OPS. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Presidente Joao Figueiredo Airport (OPS)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from IAD to OPS. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Presidente Joao Figueiredo Airport (OPS)?
Nonstop flights from Washington Dulles Intl. Airport (IAD) to Presidente Joao Figueiredo Airport (OPS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to OPS?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Presidente Joao Figueiredo Airport (OPS)?
Book a flight from Washington Dulles Intl. Airport (IAD) to Presidente Joao Figueiredo Airport (OPS) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this 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 Washington Dulles Intl. Airport (IAD) to Presidente Joao Figueiredo Airport (OPS) last-minute?
Waiting until just before your departure to book a ticket from IAD to OPS often results in higher prices. While you may come across some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book an IAD to OPS flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to OPS flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place takes the hassle out of travel planning. Simply secure your flights and select from our extensive range of stays, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Presidente Joao Figueiredo Airport (OPS)?
It's generally possible to cancel or reschedule your IAD to OPS flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Presidente Joao Figueiredo
Roundtrip price
$964
Distance
3784 mi

Book with confidence

Book with confidence

Washington to Sinop Flights

The cheapest times to fly from Washington to Sinop

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

 

The best time to book a flight from Washington to Sinop

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

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 Sinop in 2025. You can also book with separate airlines for your outbound and return journeys, from $409 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 Sinop 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 Sinop 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 Sinop Flights

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*Available to One Key members.