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Cheap flights from Boston to Santiago from $270

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Santiago departing on 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Boston to Santiago

Cheap round-trip flights

These are some of the best round-trip flight deals from Boston to Santiago that have been recently found on momondo from popular airlines, departing in the coming months.
Avianca Logo
4:50 pm - 2:25 pmBOS-SCL
20h 35m2 stops
Avianca Logo
3:30 pm - 2:55 pmSCL-BOS
24h 25m2 stops
$572Avianca
Find Deal
lun., sep. 29 - dom., oct. 5
Avianca Logo
4:50 pm - 1:25 pmBOS-SCL
20h 35m2 stops
Avianca Logo
2:30 pm - 7:15 amSCL-BOS
16h 45m1 stop
$614Avianca
Find Deal
mié., may. 28 - mié., jun. 4
Avianca Logo
4:50 pm - 1:25 pmBOS-SCL
20h 35m2 stops
Avianca Logo
2:30 pm - 2:55 pmSCL-BOS
24h 25m2 stops
$615Avianca
Find Deal
lun., ago. 25 - mar., sep. 2
LATAM Airlines Logo
4:30 pm - 6:50 amBOS-SCL
14h 20m1 stop
LATAM Airlines Logo
1:40 pm - 7:35 amSCL-BOS
41h 55m2 stops
$713LATAM Airlines
Find Deal
mié., jun. 4 - sáb., jun. 7
LATAM Airlines Logo
9:55 am - 12:45 pmBOS-SCL
50h 50m2 stops
LATAM Airlines Logo
11:05 pm - 2:55 pmSCL-BOS
15h 50m1 stop
$719LATAM Airlines
Find Deal
jue., may. 22 - jue., may. 29
Copa Airlines Logo
8:44 am - 11:08 pmBOS-SCL
14h 24m1 stop
Copa Airlines Logo
12:12 am - 10:27 pmSCL-BOS
22h 15m1 stop
$792Copa Airlines
Find Deal
vie., ago. 1 - dom., ago. 10
Copa Airlines Logo
8:41 am - 11:04 pmBOS-SCL
14h 23m1 stop
Copa Airlines Logo
5:10 am - 7:22 pmSCL-BOS
15h 12m1 stop
$812Copa Airlines
Find Deal
vie., sep. 5 - dom., sep. 28
American Airlines Logo
6:15 pm - 7:05 amBOS-SCL
12h 50m1 stop
American Airlines Logo
9:55 pm - 8:50 pmSCL-BOS
22h 55m1 stop
$854American Airlines
Find Deal
lun., ago. 25 - mar., sep. 2
American Airlines Logo
2:30 pm - 7:05 amBOS-SCL
16h 35m2 stops
American Airlines Logo
9:55 pm - 11:47 pmSCL-BOS
25h 52m1 stop
$956American Airlines
Find Deal
dom., ago. 3 - sáb., ago. 9
Delta Logo
10:20 am - 3:30 amBOS-SCL
17h 10m2 stops
Delta Logo
8:35 am - 7:35 amSCL-BOS
23h 00m2 stops
$1,103Delta
Find Deal
jue., may. 29 - mié., jun. 11

Avianca flights from Boston to Santiago

Our best Avianca deals on Boston to Santiago flight tickets
Avianca
Sep 29
BOS4:50 pmBoston Logan Intl
20h 35m
2 stops
SCL2:25 pmSantiago Arturo Merino Benitez
Oct 5
SCL3:30 pmSantiago Arturo Merino Benitez
24h 25m
2 stops
BOS2:55 pmBoston Logan Intl
Avianca
May 28
BOS4:50 pmBoston Logan Intl
20h 35m
2 stops
SCL1:25 pmSantiago Arturo Merino Benitez
Jun 4
SCL2:30 pmSantiago Arturo Merino Benitez
16h 45m
1 stop
BOS7:15 amBoston Logan Intl
Avianca
Aug 25
BOS4:50 pmBoston Logan Intl
20h 35m
2 stops
SCL1:25 pmSantiago Arturo Merino Benitez
Sep 2
SCL2:30 pmSantiago Arturo Merino Benitez
24h 25m
2 stops
BOS2:55 pmBoston Logan Intl

Copa Airlines flights from Boston to Santiago

Our best Copa Airlines deals on Boston to Santiago flight tickets
Copa Airlines
Aug 1
BOS8:44 amBoston Logan Intl
14h 24m
1 stop
SCL11:08 pmSantiago Arturo Merino Benitez
Aug 10
SCL12:12 amSantiago Arturo Merino Benitez
22h 15m
1 stop
BOS10:27 pmBoston Logan Intl
Copa Airlines
Sep 5
BOS8:41 amBoston Logan Intl
14h 23m
1 stop
SCL11:04 pmSantiago Arturo Merino Benitez
Sep 28
SCL5:10 amSantiago Arturo Merino Benitez
15h 12m
1 stop
BOS7:22 pmBoston Logan Intl
Copa Airlines
Aug 1
BOS8:44 amBoston Logan Intl
14h 00m
1 stop
SCL10:44 pmSantiago Arturo Merino Benitez
Aug 9
SCL2:23 amSantiago Arturo Merino Benitez
20h 04m
1 stop
BOS10:27 pmBoston Logan Intl

See travel insights to Santiago from

How to get the cheapest flight ticket from Boston to Santiago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Santiago?

In general, September is the cheapest month to fly from Boston to Santiago. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $714. If you don’t want to visit Santiago in September, then you should wait until November to fly from Boston, when ticket prices are also cheap, with an average price of $743.

What is the cheapest day to depart on your flight to Santiago?

The cheapest day to depart on your flight to Santiago is on a Sunday when prices can be found for as low as $836. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Santiago on Saturday is $947.

What is the cheapest time of day to depart on your flight to Santiago?

In the evening is the cheapest time of day to fly from Boston to Santiago when you can find flight prices for as low as $698. Flying to Santiago in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Santiago, so prices are often more expensive at around $1,076 per ticket.

How far in advance should I book a flight to Santiago?

You are more likely to see cheaper flights to Santiago from Boston when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Santiago for around $876 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santiago from Boston for as low as $740 on momondo.

How have Boston to Santiago flight prices changed over time?

As of April 2025, prices for Boston to Santiago flights are approximately 25% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Santiago

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Santiago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Santiago (BOS to SCL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Santiago

Best Price Found

$270

Fastest flight time

12h 50m

Direct flights

None

Airports in Santiago

1 airport
The best one-way flight to Santiago from Boston in the past 72 hours is $270. The best round-trip flight deal from Boston to Santiago found on momondo in the last 72 hours is $572.
The fastest flight from Boston to Santiago takes 12h 50m
There are no direct flights from Boston to Santiago. Popular non-direct route for this connection is Boston Logan Intl Airport - Santiago Arturo Merino Benitez Airport.
There is 1 airport near Santiago: Santiago Arturo Merino Benitez (SCL)

  • How far is Boston Logan Intl to Santiago Arturo Merino Benitez by plane?

    There are 5234.3 mi between Boston Logan Intl and Santiago Arturo Merino Benitez. Flights usually cover this in 12h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Santiago Arturo Merino Benitez Airport?

    Prices for flights from Boston Logan Intl Airport to Santiago Arturo Merino Benitez Airport are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Santiago Arturo Merino Benitez Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Santiago Arturo Merino Benitez Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Santiago Arturo Merino Benitez Airport.

  • What documentation or ID do you need to fly to Santiago Arturo Merino Benitez Airport?

    The travel and health documents you'll need for your trip to Santiago Arturo Merino Benitez Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santiago Arturo Merino Benitez Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boston to Santiago?


Best airlines flying from Boston to Santiago

Compare and see reviews for airlines that fly from Boston to Santiago with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $525Free CancellationRating
6.7
2,317 reviews
Search Avianca flights
Copa AirlinesPriceFrom $625Free CancellationRating
7.5
1,411 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $661Free CancellationRating
7.5
1,767 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $672Free CancellationRating
7.4
8,696 reviews
Search United Airlines flights
Air CanadaPriceFrom $694Free CancellationRating
7.0
9,244 reviews
Search Air Canada flights
DeltaPriceFrom $736Free CancellationRating
8.0
7,929 reviews
Search Delta flights
American AirlinesPriceFrom $739Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Santiago?

Book flights to Santiago if you plan to visit one of these locations
Viña del Mar
Valparaíso
Santa Cruz
San Fernando
Valle Nevado
Pichilemu

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Santiago?

It is quick and easy to find Boston to Santiago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Santiago that suits you.

Can I find flights from Boston to Santiago with flexible booking policies on momondo?

momondo does allow users to show only those flights to Santiago from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Santiago?

momondo provides multiple filters to help you find the best flight to Santiago from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to Santiago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Santiago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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dom. 5/11

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