$351 Cheap Flights from Washington (IAD) to Antofagasta (ANF)

View $351 flight on Wed, Dec 31, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Antofagasta (ANF-Cerro Moreno Intl.)

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Cheap Flights from Washington to Antofagasta (IAD-ANF)

Prices were available within the past 7 days and start at $351 for one-way flights and $705 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Jan 22 - Mon, Feb 9
IAD
Washington
ANF
Antofagasta
$705 Roundtrip, found 3 days ago
$705
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Jan 22 from Washington to Antofagasta, returning Mon, Feb 9, priced at $705 found 3 days ago
Delta
Thu, Jan 22 - Tue, Feb 3
IAD
Washington
ANF
Antofagasta
$710 Roundtrip, found 3 days ago
$710
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Jan 22 from Washington to Antofagasta, returning Tue, Feb 3, priced at $710 found 3 days ago
Delta
Tue, Nov 11 - Mon, Nov 24
IAD
Washington
ANF
Antofagasta
$711 Roundtrip, found 4 days ago
$711
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Nov 11 from Washington to Antofagasta, returning Mon, Nov 24, priced at $711 found 4 days ago
LATAM Airlines Group
Wed, Nov 26 - Fri, Dec 5
IAD
Washington
ANF
Antofagasta
$722 Roundtrip, found 2 days ago
$722
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Wed, Nov 26 from Washington to Antofagasta, returning Fri, Dec 5, priced at $722 found 2 days ago
LATAM Airlines Group
Thu, Dec 11 - Thu, Dec 25
IAD
Washington
ANF
Antofagasta
$730 Roundtrip, found 4 days ago
$730
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Thu, Dec 11 from Washington to Antofagasta, returning Thu, Dec 25, priced at $730 found 4 days ago
Delta
Mon, Dec 1 - Thu, Dec 4
IAD
Washington
ANF
Antofagasta
$741 Roundtrip, found 2 days ago
$741
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Dec 1 from Washington to Antofagasta, returning Thu, Dec 4, priced at $741 found 2 days ago
LATAM Airlines Group
Sun, Nov 16 - Mon, Dec 1
IAD
Washington
ANF
Antofagasta
$759 Roundtrip, found 4 days ago
$759
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Sun, Nov 16 from Washington to Antofagasta, returning Mon, Dec 1, priced at $759 found 4 days ago
Air Canada
Tue, Jan 13 - Mon, Feb 2
IAD
Washington
ANF
Antofagasta
$853 Roundtrip, found 3 days ago
$853
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, Jan 13 from Washington to Antofagasta, returning Mon, Feb 2, priced at $853 found 3 days ago
Delta
Sat, Nov 29 - Thu, Dec 4
IAD
Washington
ANF
Antofagasta
$884 Roundtrip, found 2 days ago
$884
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 29 from Washington to Antofagasta, returning Thu, Dec 4, priced at $884 found 2 days ago
Delta
Thu, Jan 22 - Thu, Feb 5
IAD
Washington
ANF
Antofagasta
$889 Roundtrip, found 3 days ago
$889
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Jan 22 from Washington to Antofagasta, returning Thu, Feb 5, priced at $889 found 3 days ago

Alternative airports near Antofagasta

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

Select flight to Cerro Moreno Intl. ANF. Cheapest and Closest option available. Average driving time to city center is 24 minutes. Flights from $722
ANF
Cerro Moreno Intl.
CheapestClosest
Average driving time to city center24 min
Flights from $722

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Cerro Moreno Intl. Airport (ANF) cost?
Secure a cheap one-way flight from $351 or cheap return flight from $705 from Washington Dulles Intl. Airport (IAD) to Cerro Moreno Intl. Airport (ANF) 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 Washington Dulles Intl. Airport (IAD) to Cerro Moreno Intl. Airport (ANF)?
Planning your getaway for January can help you save, as it's the cheapest month for flights between IAD and ANF. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Cerro Moreno Intl. Airport (ANF)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from IAD to ANF. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Cerro Moreno Intl. Airport (ANF)?
You'll need to hop on a flight with a layover when traveling from Washington Dulles Intl. Airport (IAD) to Cerro Moreno Intl. Airport (ANF). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from IAD to ANF?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on various factors, including the time of year and carrier.*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 Cerro Moreno Intl. Airport (ANF)?
To arrive at Cerro Moreno Intl. Airport (ANF) on time, select a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Cerro Moreno Intl. Airport (ANF) last-minute?
Holding off until just before your departure to book a flight from IAD to ANF often results in higher prices. While it's possible to find some last-minute offers, there's no guarantee. Be flexible with your itinerary to maximize your chances of scoring a bargain.
Is it cheaper to book an IAD to ANF flight and hotel package?
Opting for an IAD to ANF flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our impressive range of stays and then add car rentals, activities and flights to your booking. Bundle everything 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 Cerro Moreno Intl. Airport (ANF)?
If you booked your IAD to ANF flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Cerro Moreno Intl.
Roundtrip price
$705
Distance
4335 mi

Book with confidence

Washington to Antofagasta Flights

The cheapest times to fly from Washington to Antofagasta

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

 

The best time to book a flight from Washington to Antofagasta

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

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 Antofagasta in 2025. You can also book with separate airlines for your outbound and return journeys, from $351 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 Antofagasta 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 Antofagasta 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 Antofagasta Flights

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