$875 Cheap Flights from Washington (DCA) to Bissau (OXB)

View $875 flight on Sun, Feb 15, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Bissau (OXB-Osvaldo Vieira Intl.)

Cheap Flights from Washington to Bissau (DCA-OXB)

Prices were available within the past 7 days and start at $875 for one-way flights and $1,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, Nov 25 - Tue, Dec 2
DCA
Washington
OXB
Bissau
$1,600 Roundtrip, found 4 days ago
$1,600
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Nov 25 from Washington to Bissau, returning Tue, Dec 2, priced at $1,600 found 4 days ago
TAP Portugal
Tue, Nov 25 - Tue, Dec 2
DCA
Washington
OXB
Bissau
$1,828 Roundtrip, found 4 days ago
$1,828
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Tue, Nov 25 from Washington to Bissau, returning Tue, Dec 2, priced at $1,828 found 4 days ago
Air Canada
Tue, Nov 25 - Tue, Dec 2
DCA
Washington
OXB
Bissau
$2,358 Roundtrip, found 4 days ago
$2,358
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Nov 25 from Washington to Bissau, returning Tue, Dec 2, priced at $2,358 found 4 days ago
JetBlue Airways
Tue, Nov 25 - Tue, Dec 2
DCA
Washington
OXB
Bissau
$2,372 Roundtrip, found 4 days ago
$2,372
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Nov 25 from Washington to Bissau, returning Tue, Dec 2, priced at $2,372 found 4 days ago
JetBlue Airways
Tue, Nov 25 - Tue, Dec 2
DCA
Washington
OXB
Bissau
$2,457 Roundtrip, found 4 days ago
$2,457
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Nov 25 from Washington to Bissau, returning Tue, Dec 2, priced at $2,457 found 4 days ago

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB) cost?
Get a cheap one-way flight from $875 or cheap return flight from $1,600 from Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB)?
Planning your getaway for November may help you find better deals, as it's the cheapest month for flights between DCA and OXB. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB)?
To find the cheapest airline flying from DCA to OXB, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB)?
There are no daily direct flights available from Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from DCA to OXB?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change depending on the airline, time of year 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 Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB) route, 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 Osvaldo Vieira Intl. Airport (OXB) last-minute?
Booking your plane ticket from DCA to OXB just before your trip is usually more expensive. But if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a DCA to OXB flight and hotel package?
You'll generally save money by securing a DCA to OXB flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After selecting your preferred accommodations and flights, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB)?
If you booked your DCA to OXB flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare 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, go to our Customer Service portal for further details.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Osvaldo Vieira Intl.
Roundtrip price
$1,599
Distance
4172 mi

Book with confidence

Washington to Bissau Flights

The cheapest times to fly from Washington to Bissau

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

 

The best time to book a flight from Washington to Bissau

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

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 Bissau in 2025. You can also book with separate airlines for your outbound and return journeys, from $875 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 Bissau 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 Bissau 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 Bissau Flights
*Available to One Key members.