$364 Cheap Flights from Washington (DCA) to Santiago Island (RAI)

View $364 flight on Sat, Jan 17, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Santiago Island (RAI-Praia Intl.)

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Cheap Flights from Washington to Santiago Island (DCA-RAI)

Prices were available within the past 7 days and start at $364 for one-way flights and $773 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, Oct 28 - Sun, Nov 9
DCA
Washington
RAI
Santiago
$773 Roundtrip, found 4 days ago
$773
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Oct 28 from Washington to Santiago, returning Sun, Nov 9, priced at $773 found 4 days ago
JetBlue Airways
Thu, Nov 27 - Sun, Dec 7
DCA
Washington
RAI
Santiago
$779 Roundtrip, found 2 days ago
$779
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Thu, Nov 27 from Washington to Santiago, returning Sun, Dec 7, priced at $779 found 2 days ago
JetBlue Airways
Tue, Oct 28 - Sun, Nov 16
DCA
Washington
RAI
Santiago
$783 Roundtrip, found 4 days ago
$783
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Oct 28 from Washington to Santiago, returning Sun, Nov 16, priced at $783 found 4 days ago
JetBlue Airways
Thu, Nov 27 - Wed, Dec 10
DCA
Washington
RAI
Santiago
$790 Roundtrip, found 2 days ago
$790
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Thu, Nov 27 from Washington to Santiago, returning Wed, Dec 10, priced at $790 found 2 days ago
JetBlue Airways
Thu, Dec 4 - Sun, Dec 7
DCA
Washington
RAI
Santiago
$793 Roundtrip, found 2 hours ago
$793
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Thu, Dec 4 from Washington to Santiago, returning Sun, Dec 7, priced at $793 found 2 hours ago
JetBlue Airways
Tue, Nov 4 - Sun, Nov 16
DCA
Washington
RAI
Santiago
$799 Roundtrip, found 2 days ago
$799
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Tue, Nov 4 from Washington to Santiago, returning Sun, Nov 16, priced at $799 found 2 days ago
JetBlue Airways
Tue, Oct 28 - Sun, Nov 9
DCA
Washington
RAI
Santiago
$804 Roundtrip, found 1 day ago
$804
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Oct 28 from Washington to Santiago, returning Sun, Nov 9, priced at $804 found 1 day ago
JetBlue Airways
Thu, Oct 30 - Sun, Nov 9
DCA
Washington
RAI
Santiago
$806 Roundtrip, found 4 days ago
$806
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Thu, Oct 30 from Washington to Santiago, returning Sun, Nov 9, priced at $806 found 4 days ago
JetBlue Airways
Thu, Nov 6 - Sun, Nov 16
DCA
Washington
RAI
Santiago
$808 Roundtrip, found 2 days ago
$808
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Thu, Nov 6 from Washington to Santiago, returning Sun, Nov 16, priced at $808 found 2 days ago
TAP Portugal
Wed, Nov 12 - Wed, Nov 19
DCA
Washington
RAI
Santiago
$1,539 Roundtrip, found 17 hours ago
$1,539
Roundtrip
found 17 hours ago
Select TAP Portugal flight, departing Wed, Nov 12 from Washington to Santiago, returning Wed, Nov 19, priced at $1,539 found 17 hours ago

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Praia Intl. Airport (RAI) cost?
Lock in a cheap one-way flight from $364 or cheap return flight from $773 from Ronald Reagan Washington National Airport (DCA) to Praia Intl. Airport (RAI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Praia Intl. Airport (RAI)?
October is the cheapest month to fly from DCA to RAI. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Praia Intl. Airport (RAI)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from DCA to RAI. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Praia Intl. Airport (RAI)?
You'll have to book a flight with a layover when traveling from Ronald Reagan Washington National Airport (DCA) to Praia Intl. Airport (RAI). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from DCA to RAI?
Typically you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can vary depending on the airline, season 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 Praia Intl. Airport (RAI)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to Praia Intl. Airport (RAI) route, aim to travel before 3 PM. Later flights are 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 Ronald Reagan Washington National Airport (DCA) to Praia Intl. Airport (RAI) last-minute?
Waiting until just before your departure to book a flight from DCA to RAI often results in higher prices. While you may come across some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book a DCA to RAI flight and hotel package?
Booking a DCA to RAI flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our extensive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Praia Intl. Airport (RAI)?
Generally, it's possible to cancel or reschedule your DCA to RAI flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Praia Intl.
Airlines serving
TAP Portugal
Roundtrip price
$773
Distance
3627 mi

Book with confidence

Book with confidence

Washington to Santiago Island Flights

The cheapest times to fly from Washington to Santiago Island

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

 

The best time to book a flight from Washington to Santiago Island

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

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 Santiago Island in 2025. You can also book with separate airlines for your outbound and return journeys, from $364 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 Santiago Island 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 Santiago Island 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 Santiago Island Flights
*Available to One Key members.