$403 Cheap Flights from Baltimore (BWI) to Santiago (SCL)

View $403 flight on Thu, Nov 13, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Santiago Intl. Airport (SCL)

Cheap Flights from Baltimore to Santiago (BWI-SCL)

Prices were available within the past 7 days and start at $403 for one-way flights and $734 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Oct 9 - Mon, Oct 20
BWI
Baltimore
SCL
Santiago
$734 Roundtrip, just found
$734
Roundtrip
just found
Select American Airlines flight, departing Thu, Oct 9 from Baltimore to Santiago, returning Mon, Oct 20, priced at $734 just found
Delta
Thu, Oct 9 - Mon, Oct 20
BWI
Baltimore
SCL
Santiago
$734 Roundtrip, just found
$734
Roundtrip
just found
Select Delta flight, departing Thu, Oct 9 from Baltimore to Santiago, returning Mon, Oct 20, priced at $734 just found
United
Mon, Dec 8 - Mon, Dec 15
BWI
Baltimore
SCL
Santiago
$734 Roundtrip, found 1 day ago
$734
Roundtrip
found 1 day ago
Select United flight, departing Mon, Dec 8 from Baltimore to Santiago, returning Mon, Dec 15, priced at $734 found 1 day ago
American Airlines
Thu, Oct 9 - Mon, Oct 20
BWI
Baltimore
SCL
Santiago
$738 Roundtrip, just found
$738
Roundtrip
just found
Select American Airlines flight, departing Thu, Oct 9 from Baltimore to Santiago, returning Mon, Oct 20, priced at $738 just found
Copa
Sun, Oct 26 - Wed, Nov 5
BWI
Baltimore
SCL
Santiago
$742 Roundtrip, found 5 days ago
$742
Roundtrip
found 5 days ago
Select Copa flight, departing Sun, Oct 26 from Baltimore to Santiago, returning Wed, Nov 5, priced at $742 found 5 days ago
American Airlines
Thu, Oct 9 - Mon, Oct 20
BWI
Baltimore
SCL
Santiago
$743 Roundtrip, just found
$743
Roundtrip
just found
Select American Airlines flight, departing Thu, Oct 9 from Baltimore to Santiago, returning Mon, Oct 20, priced at $743 just found
United
Sun, Oct 26 - Wed, Oct 29
BWI
Baltimore
SCL
Santiago
$744 Roundtrip, found 4 days ago
$744
Roundtrip
found 4 days ago
Select United flight, departing Sun, Oct 26 from Baltimore to Santiago, returning Wed, Oct 29, priced at $744 found 4 days ago
American Airlines
Mon, Sep 22 - Mon, Oct 13
BWI
Baltimore
SCL
Santiago
$746 Roundtrip, found 1 day ago
$746
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Sep 22 from Baltimore to Santiago, returning Mon, Oct 13, priced at $746 found 1 day ago
American Airlines
Tue, Sep 16 - Thu, Sep 18
BWI
Baltimore
SCL
Santiago
$748 Roundtrip, found 5 days ago
$748
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Sep 16 from Baltimore to Santiago, returning Thu, Sep 18, priced at $748 found 5 days ago
LATAM Airlines Group
Thu, Oct 9 - Mon, Oct 20
BWI
Baltimore
SCL
Santiago
$753 Roundtrip, just found
$753
Roundtrip
just found
Select LATAM Airlines Group flight, departing Thu, Oct 9 from Baltimore to Santiago, returning Mon, Oct 20, priced at $753 just found

Find the cheapest month to fly from Baltimore (BWI) to Santiago (SCL)

May is typically the cheapest month to fly

From $550 - $933 per traveler.

Graph displaying average flight prices per month

Alternative airports near Santiago

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

Select flight to Arturo Merino Benitez SCL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $834
SCL
Arturo Merino Benitez
CheapestClosest
Average driving time to city center17 min
Flights from $834
Flights from Baltimore (BWI) to Santiago (SCL)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Arturo Merino Benitez
Airlines serving
American Airlines, Copa, Delta, LATAM Airlines Group, United
Roundtrip price
$733
Distance
5028 mi

Baltimore to Santiago Flights

The cheapest times to fly from Baltimore to Santiago

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

 

The best time to book a flight from Baltimore to Santiago

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

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 Baltimore to Santiago in 2025. You can also book with separate airlines for your outbound and return journeys, from $403 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 Baltimore to Santiago 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 Baltimore to Santiago 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.

 

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Arturo Merino Benitez Airport (SCL) cost?
Secure a cheap one-way flight from $403 or cheap return flight from $734 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Arturo Merino Benitez Airport (SCL) 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Arturo Merino Benitez Airport (SCL)?
October is the most affordable month to fly from BWI to SCL. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Arturo Merino Benitez Airport (SCL)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BWI to SCL flight.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Arturo Merino Benitez Airport (SCL)?
There aren't any daily direct flights departing from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Arturo Merino Benitez Airport (SCL). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from BWI to SCL?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Arturo Merino Benitez Airport (SCL)?
Choose a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Arturo Merino Benitez Airport (SCL) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this hour 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Arturo Merino Benitez Airport (SCL) last-minute?
Booking your ticket from BWI to SCL shortly before your journey is usually more expensive. But if there's some wiggle room with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a BWI to SCL flight and hotel package?
Compared with arranging hotels and flights separately, booking a BWI to SCL flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place takes the hassle out of planning your trip. Simply secure your flights and select from our extensive range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Arturo Merino Benitez Airport (SCL)?
In most instances, you can modify or cancel your BWI to SCL flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

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*Available to One Key members.