$301 Cheap Flights from Washington (IAD) to Salta (SLA)

View $301 flight on Sun, Nov 23, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Salta (SLA-Martín Miguel de Güemes Intl.)

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Cheap Flights from Washington to Salta (IAD-SLA)

Prices were available within the past 7 days and start at $301 for one-way flights and $870 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Tue, Jan 6 - Thu, Mar 12
IAD
Washington
SLA
Salta
$870 Roundtrip, found 1 day ago
$870
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Tue, Jan 6 from Washington to Salta, returning Thu, Mar 12, priced at $870 found 1 day ago
LATAM Airlines Group
Tue, Jan 6 - Thu, Mar 12
IAD
Washington
SLA
Salta
$876 Roundtrip, found 1 day ago
$876
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Tue, Jan 6 from Washington to Salta, returning Thu, Mar 12, priced at $876 found 1 day ago
LATAM Airlines Group
Tue, Jan 6 - Thu, Mar 12
IAD
Washington
SLA
Salta
$878 Roundtrip, found 1 day ago
$878
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Tue, Jan 6 from Washington to Salta, returning Thu, Mar 12, priced at $878 found 1 day ago
LATAM Airlines Group
Thu, Nov 6 - Wed, Nov 12
IAD
Washington
SLA
Salta
$882 Roundtrip, found 6 days ago
$882
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Thu, Nov 6 from Washington to Salta, returning Wed, Nov 12, priced at $882 found 6 days ago
LATAM Airlines Group
Tue, Jan 6 - Thu, Mar 12
IAD
Washington
SLA
Salta
$884 Roundtrip, found 1 day ago
$884
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Tue, Jan 6 from Washington to Salta, returning Thu, Mar 12, priced at $884 found 1 day ago
LATAM Airlines Group
Tue, Nov 18 - Sat, Nov 22
IAD
Washington
SLA
Salta
$886 Roundtrip, found 1 day ago
$886
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Tue, Nov 18 from Washington to Salta, returning Sat, Nov 22, priced at $886 found 1 day ago
LATAM Airlines Group
Sun, Nov 16 - Sat, Nov 22
IAD
Washington
SLA
Salta
$927 Roundtrip, found 4 days ago
$927
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Sun, Nov 16 from Washington to Salta, returning Sat, Nov 22, priced at $927 found 4 days ago
LATAM Airlines Group
Fri, Jan 9 - Tue, Mar 24
IAD
Washington
SLA
Salta
$935 Roundtrip, found 4 days ago
$935
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Fri, Jan 9 from Washington to Salta, returning Tue, Mar 24, priced at $935 found 4 days ago
LATAM Airlines Group
Tue, Jan 6 - Mon, Mar 9
IAD
Washington
SLA
Salta
$941 Roundtrip, found 1 day ago
$941
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Tue, Jan 6 from Washington to Salta, returning Mon, Mar 9, priced at $941 found 1 day ago
Copa
Sun, Nov 23 - Sun, Nov 30
IAD
Washington
SLA
Salta
$1,144 Roundtrip, found 12 hours ago
$1,144
Roundtrip
found 12 hours ago
Select Copa flight, departing Sun, Nov 23 from Washington to Salta, returning Sun, Nov 30, priced at $1,144 found 12 hours ago

Alternative airports near Salta

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Martin Miguel de Guemes Intl. SLA. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $870
SLA
Martin Miguel de Guemes Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $870

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Martin Miguel de Guemes Intl. Airport (SLA) cost?
Snag a cheap one-way flight from $301 or cheap return flight from $870 from Washington Dulles Intl. Airport (IAD) to Martin Miguel de Guemes Intl. Airport (SLA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Martin Miguel de Guemes Intl. Airport (SLA)?
Planning your getaway for January may help you find better deals, as it's the cheapest month for flights between IAD and SLA. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Martin Miguel de Guemes Intl. Airport (SLA)?
To find the cheapest airline that'll fly you from IAD to SLA, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Martin Miguel de Guemes Intl. Airport (SLA)?
There are no daily direct flights available from Washington Dulles Intl. Airport (IAD) to Martin Miguel de Guemes Intl. Airport (SLA). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from IAD to SLA?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary depending on the season, airline 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 Washington Dulles Intl. Airport (IAD) to Martin Miguel de Guemes Intl. Airport (SLA)?
To avoid potential delays on the Washington Dulles Intl. Airport (IAD) to Martin Miguel de Guemes Intl. Airport (SLA) route, travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Martin Miguel de Guemes Intl. Airport (SLA) last-minute?
Waiting until just before your departure to book a flight from IAD to SLA often results in higher prices. While you may find some last-minute offers, there's no guarantee. Keep your travel plans flexible to maximize your chances of landing a bargain.
Is it cheaper to book an IAD to SLA flight and hotel package?
Opting for an IAD to SLA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Martin Miguel de Guemes Intl. Airport (SLA)?
Generally, it's possible to reschedule or cancel your IAD to SLA flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Martín Miguel de Güemes Intl.
Airlines serving
LATAM Airlines Group
Roundtrip price
$869
Distance
4475 mi

Book with confidence

Washington to Salta Flights

The cheapest times to fly from Washington to Salta

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

 

The best time to book a flight from Washington to Salta

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

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 Salta in 2025. You can also book with separate airlines for your outbound and return journeys, from $301 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 Salta 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 Salta 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 Salta Flights

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*Available to One Key members.