$356 Cheap Flights from Boston (BOS) to Valdivia (ZAL)

View $356 flight on Mon, Nov 17, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Valdivia (ZAL-Pichoy)

Cheap Flights from Boston to Valdivia (BOS-ZAL)

Prices were available within the past 7 days and start at $356 for one-way flights and $713 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Nov 17 - Sat, Nov 22
BOS
Boston
ZAL
Valdivia
$713 Roundtrip, found 3 days ago
$713
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Nov 17 from Boston to Valdivia, returning Sat, Nov 22, priced at $713 found 3 days ago
LATAM Airlines Group
Mon, Nov 17 - Sat, Nov 22
BOS
Boston
ZAL
Valdivia
$714 Roundtrip, found 3 days ago
$714
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Mon, Nov 17 from Boston to Valdivia, returning Sat, Nov 22, priced at $714 found 3 days ago
LATAM Airlines Group
Mon, Nov 17 - Sat, Nov 22
BOS
Boston
ZAL
Valdivia
$718 Roundtrip, found 3 days ago
$718
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Mon, Nov 17 from Boston to Valdivia, returning Sat, Nov 22, priced at $718 found 3 days ago
LATAM Airlines Group
Sun, Oct 19 - Sun, Oct 26
BOS
Boston
ZAL
Valdivia
$724 Roundtrip, found 3 days ago
$724
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sun, Oct 19 from Boston to Valdivia, returning Sun, Oct 26, priced at $724 found 3 days ago
LATAM Airlines Group
Sun, Oct 19 - Sun, Oct 26
BOS
Boston
ZAL
Valdivia
$729 Roundtrip, found 3 days ago
$729
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sun, Oct 19 from Boston to Valdivia, returning Sun, Oct 26, priced at $729 found 3 days ago
LATAM Airlines Group
Sun, Oct 19 - Sun, Oct 26
BOS
Boston
ZAL
Valdivia
$734 Roundtrip, found 3 days ago
$734
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sun, Oct 19 from Boston to Valdivia, returning Sun, Oct 26, priced at $734 found 3 days ago
LATAM Airlines Group
Sun, Oct 19 - Sun, Oct 26
BOS
Boston
ZAL
Valdivia
$734 Roundtrip, found 3 days ago
$734
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sun, Oct 19 from Boston to Valdivia, returning Sun, Oct 26, priced at $734 found 3 days ago
LATAM Airlines Group
Sun, Oct 19 - Sun, Oct 26
BOS
Boston
ZAL
Valdivia
$744 Roundtrip, found 3 days ago
$744
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sun, Oct 19 from Boston to Valdivia, returning Sun, Oct 26, priced at $744 found 3 days ago
Delta
Mon, Nov 17 - Sat, Nov 22
BOS
Boston
ZAL
Valdivia
$758 Roundtrip, found 3 days ago
$758
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Nov 17 from Boston to Valdivia, returning Sat, Nov 22, priced at $758 found 3 days ago
Air Canada
Mon, Nov 17 - Sat, Nov 22
BOS
Boston
ZAL
Valdivia
$973 Roundtrip, found 3 days ago
$973
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Nov 17 from Boston to Valdivia, returning Sat, Nov 22, priced at $973 found 3 days ago
Flights from Boston (BOS) to Valdivia (ZAL)
Origin airport
Logan Intl.
Destination airport
Pichoy
Roundtrip price
$713
Distance
5667 mi

Boston to Valdivia Flights

The cheapest times to fly from Boston to Valdivia

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

 

The best time to book a flight from Boston to Valdivia

Sunday is one of the best days to book for cheap flights from Boston to Valdivia: 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 Boston to Valdivia

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 Boston to Valdivia in 2025. You can also book with separate airlines for your outbound and return journeys, from $356 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 Boston to Valdivia 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 Boston to Valdivia 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 Logan Intl. Airport (BOS) to Pichoy Airport (ZAL) cost?
Snag a cheap one-way flight from $356 or cheap return flight from $713 from Logan Intl. Airport (BOS) to Pichoy Airport (ZAL) 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 Logan Intl. Airport (BOS) to Pichoy Airport (ZAL)?
Traveling in November is a great way to save, as it's the cheapest month for flights between BOS and ZAL. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Pichoy Airport (ZAL)?
To find the cheapest airline flying from BOS to ZAL, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Logan Intl. Airport (BOS) to Pichoy Airport (ZAL)?
Nonstop flights from Logan Intl. Airport (BOS) to Pichoy Airport (ZAL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOS to ZAL?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a range of factors, such as 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 Logan Intl. Airport (BOS) to Pichoy Airport (ZAL)?
To avoid possible delays on the Logan Intl. Airport (BOS) to Pichoy Airport (ZAL) route, travel before 3 PM. Flights after this time are 22% more likely to be canceled.**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 Logan Intl. Airport (BOS) to Pichoy Airport (ZAL) last-minute?
Booking your ticket from BOS to ZAL just before your trip is generally more expensive. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a BOS to ZAL flight and hotel package?
You'll typically save money by securing a BOS to ZAL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After choosing your ideal flights and accommodations, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Pichoy Airport (ZAL)?
You can usually cancel or reschedule your BOS to ZAL flight. However, if it's been more than 24 hours since booking, additional fees 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 information on our Customer Service portal.

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*Available to One Key members.