$551 Cheap Flights from Salta (SLA) to Washington (DCA)

View $551 flight on Thu, Feb 26, 2026Opens in a new window

Popular airlines from Salta (SLA-Martín Miguel de Güemes Intl.) to Ronald Reagan Washington National Airport (DCA)

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Cheap Flights from Salta to Washington (SLA-DCA)

Prices were available within the past 7 days and start at $551 for one-way flights and $1,124 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Wed, Jan 21 - Tue, Mar 3
SLA
Salta
DCA
Washington
$1,124 Roundtrip, found 5 days ago
$1,124
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Wed, Jan 21 from Salta to Washington, returning Tue, Mar 3, priced at $1,124 found 5 days ago
LATAM Airlines Group
Wed, Jan 21 - Tue, Mar 3
SLA
Salta
DCA
Washington
$1,130 Roundtrip, found 5 days ago
$1,130
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Wed, Jan 21 from Salta to Washington, returning Tue, Mar 3, priced at $1,130 found 5 days ago
LATAM Airlines Group
Wed, Jan 21 - Tue, Mar 3
SLA
Salta
DCA
Washington
$1,133 Roundtrip, found 5 days ago
$1,133
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Wed, Jan 21 from Salta to Washington, returning Tue, Mar 3, priced at $1,133 found 5 days ago
LATAM Airlines Group
Wed, Jan 21 - Tue, Mar 3
SLA
Salta
DCA
Washington
$1,140 Roundtrip, found 5 days ago
$1,140
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Wed, Jan 21 from Salta to Washington, returning Tue, Mar 3, priced at $1,140 found 5 days ago
LATAM Airlines Group
Wed, Jan 21 - Tue, Mar 3
SLA
Salta
DCA
Washington
$1,146 Roundtrip, found 5 days ago
$1,146
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Wed, Jan 21 from Salta to Washington, returning Tue, Mar 3, priced at $1,146 found 5 days ago
LATAM Airlines Group
Wed, Jan 21 - Tue, Mar 3
SLA
Salta
DCA
Washington
$1,151 Roundtrip, found 5 days ago
$1,151
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Wed, Jan 21 from Salta to Washington, returning Tue, Mar 3, priced at $1,151 found 5 days ago
LATAM Airlines Group
Wed, Jan 21 - Tue, Mar 3
SLA
Salta
DCA
Washington
$1,155 Roundtrip, found 5 days ago
$1,155
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Wed, Jan 21 from Salta to Washington, returning Tue, Mar 3, priced at $1,155 found 5 days ago
LATAM Airlines Group
Wed, Jan 21 - Tue, Mar 3
SLA
Salta
DCA
Washington
$1,160 Roundtrip, found 5 days ago
$1,160
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Wed, Jan 21 from Salta to Washington, returning Tue, Mar 3, priced at $1,160 found 5 days ago
LATAM Airlines Group
Wed, Jan 21 - Tue, Mar 3
SLA
Salta
DCA
Washington
$1,161 Roundtrip, found 5 days ago
$1,161
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Wed, Jan 21 from Salta to Washington, returning Tue, Mar 3, priced at $1,161 found 5 days ago
LATAM Airlines Group
Wed, Jan 21 - Tue, Mar 3
SLA
Salta
DCA
Washington
$1,169 Roundtrip, found 5 days ago
$1,169
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Wed, Jan 21 from Salta to Washington, returning Tue, Mar 3, priced at $1,169 found 5 days ago

Frequently asked questions

How much does a flight from Martin Miguel de Guemes Intl. Airport (SLA) to Ronald Reagan Washington National Airport (DCA) cost?
Grab a cheap one-way flight from $551 or cheap return flight from $1,124 from Martin Miguel de Guemes Intl. Airport (SLA) to Ronald Reagan Washington National Airport (DCA) 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 Martin Miguel de Guemes Intl. Airport (SLA) to Ronald Reagan Washington National Airport (DCA)?
The cheapest month to fly from SLA to DCA is January, when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Martin Miguel de Guemes Intl. Airport (SLA) to Ronald Reagan Washington National Airport (DCA)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SLA to DCA flight.
How many flights per day from Martin Miguel de Guemes Intl. Airport (SLA) to Ronald Reagan Washington National Airport (DCA)?
You'll have to catch a flight with a layover if you're traveling from Martin Miguel de Guemes Intl. Airport (SLA) to Ronald Reagan Washington National Airport (DCA). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SLA to DCA?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a range of 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 Martin Miguel de Guemes Intl. Airport (SLA) to Ronald Reagan Washington National Airport (DCA)?
Choose a flight from Martin Miguel de Guemes Intl. Airport (SLA) to Ronald Reagan Washington National Airport (DCA) that leaves before 3 PM to reduce the likelihood of delays. Departures after this time have a 22% higher chance of being canceled, on average.**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 Martin Miguel de Guemes Intl. Airport (SLA) to Ronald Reagan Washington National Airport (DCA) last-minute?
Holding off until just before your trip to book a ticket from SLA to DCA generally means paying more. While you may come across some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of landing a bargain.
Is it cheaper to book a SLA to DCA flight and hotel package?
You'll typically save money by booking a SLA to DCA 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 place. After selecting your preferred accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Martin Miguel de Guemes Intl. Airport (SLA) to Ronald Reagan Washington National Airport (DCA)?
If you booked your SLA to DCA flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Travel information

Origin airport
Martín Miguel de Güemes Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
LATAM Airlines Group
Roundtrip price
$1,123
Distance
4463 mi

Book with confidence

Salta to Washington Flights

The cheapest times to fly from Salta to Washington

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

 

The best time to book a flight from Salta to Washington

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

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 Salta to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $551 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 Salta to Washington 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 Salta to Washington 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.

 

Salta to Washington Flights

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*Available to One Key members.