$646 Cheap Flights from Washington (IAD) to San Martin de los Andes (CPC)

View $646 flight on Mon, Nov 3, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to San Martin de los Andes (CPC-Aviador Carlos Campos)

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Cheap Flights from Washington to San Martin de los Andes (IAD-CPC)

Prices were available within the past 7 days and start at $646 for one-way flights and $1,356 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

avianca
Sun, Apr 19 - Thu, Apr 30
IAD
Washington
CPC
San Martín de los Andes
$1,356 Roundtrip, found 11 hours ago
$1,356
Roundtrip
found 11 hours ago
Select avianca flight, departing Sun, Apr 19 from Washington to San Martín de los Andes, returning Thu, Apr 30, priced at $1,356 found 11 hours ago
avianca
Sun, Apr 19 - Thu, Apr 30
IAD
Washington
CPC
San Martín de los Andes
$1,366 Roundtrip, found 11 hours ago
$1,366
Roundtrip
found 11 hours ago
Select avianca flight, departing Sun, Apr 19 from Washington to San Martín de los Andes, returning Thu, Apr 30, priced at $1,366 found 11 hours ago
avianca
Sun, Apr 19 - Thu, Apr 30
IAD
Washington
CPC
San Martín de los Andes
$1,376 Roundtrip, found 11 hours ago
$1,376
Roundtrip
found 11 hours ago
Select avianca flight, departing Sun, Apr 19 from Washington to San Martín de los Andes, returning Thu, Apr 30, priced at $1,376 found 11 hours ago
avianca
Wed, Dec 24 - Wed, Dec 31
IAD
Washington
CPC
San Martín de los Andes
$2,870 Roundtrip, found 5 days ago
$2,870
Roundtrip
found 5 days ago
Select avianca flight, departing Wed, Dec 24 from Washington to San Martín de los Andes, returning Wed, Dec 31, priced at $2,870 found 5 days ago

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Aviador Carlos Campos Airport (CPC) cost?
Lock in a cheap one-way flight from $646 or cheap return flight from $1,356 from Washington Dulles Intl. Airport (IAD) to Aviador Carlos Campos Airport (CPC) 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 Aviador Carlos Campos Airport (CPC)?
The cheapest month to fly from IAD to CPC is April, when demand is low. Off-peak months are often when better flight deals are available between these airports.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Aviador Carlos Campos Airport (CPC)?
To find the cheapest airline flying from IAD to CPC, use Expedia's filter tool. Tailor your search based on what matters most 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 Aviador Carlos Campos Airport (CPC)?
Direct flights from Washington Dulles Intl. Airport (IAD) to Aviador Carlos Campos Airport (CPC) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to CPC?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*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 Aviador Carlos Campos Airport (CPC)?
To land at Aviador Carlos Campos Airport (CPC) without delays, choose a flight that takes off from Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Aviador Carlos Campos Airport (CPC) last-minute?
Last-minute fares from IAD to CPC are generally more expensive. For the lowest rates, start searching for flights as soon as possible. That being said, if you're flexible with your travel plans, it's possible to land a cheap fare right before your journey.
Is it cheaper to book an IAD to CPC flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to CPC flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place takes the hassle out of travel planning. Simply pick your flights and select from our wide range of hotels, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Aviador Carlos Campos Airport (CPC)?
You can usually reschedule or cancel your IAD to CPC flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Aviador Carlos Campos
Roundtrip price
$1,356
Distance
5475 mi

Book with confidence

Book with confidence

Washington to San Martin de los Andes Flights

The cheapest times to fly from Washington to San Martin de los Andes

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 San Martin de los Andes are during the month of April. You can find some of the cheapest flights from Washington to San Martin de los Andes with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to San Martin de los Andes

Sunday is one of the best days to book for cheap flights from Washington to San Martin de los Andes: 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 San Martin de los Andes

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 San Martin de los Andes in 2025. You can also book with separate airlines for your outbound and return journeys, from $646 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 San Martin de los Andes 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 San Martin de los Andes 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 San Martin de los Andes Flights

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*Available to One Key members.