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Cheap flights from Boston to Santiago from $262

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 4/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boston to Santiago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:55 am - 12:30 am
BOS
-
SCL
14h 35m
1 stop
Multiple Airlines Logo
7:25 am - 1:55 pm
SCL
-
BOS
31h 30m
2 stops
$587Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
8:55 am - 12:30 am
BOS
-
SCL
14h 35m
1 stop
Multiple Airlines Logo
7:25 am - 1:55 pm
SCL
-
BOS
31h 30m
2 stops
$591Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
LATAM Airlines Logo
9:55 am - 6:50 am
BOS
-
SCL
20h 55m
1 stop
LATAM Airlines Logo
10:55 pm - 3:19 pm
SCL
-
BOS
16h 24m
1 stop
$593LATAM Airlines
Thu, May 7 - Sun, May 17
Multiple Airlines Logo
3:54 pm - 12:30 am
BOS
-
SCL
31h 36m
2 stops
Multiple Airlines Logo
5:50 am - 1:55 pm
SCL
-
BOS
33h 05m
2 stops
$597Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
LATAM Airlines Logo
1:55 pm - 5:55 am
BOS
-
SCL
15h 00m
1 stop
LATAM Airlines Logo
10:30 pm - 11:10 am
SCL
-
BOS
13h 40m
1 stop
$606LATAM Airlines
Thu, Mar 19 - Thu, Mar 26
LATAM Airlines Logo
1:55 pm - 5:55 am
BOS
-
SCL
15h 00m
1 stop
LATAM Airlines Logo
10:35 am - 10:22 am
SCL
-
BOS
24h 47m
1 stop
$616LATAM Airlines
Sun, Mar 15 - Sun, Mar 22
LATAM Airlines Logo
1:55 pm - 5:55 am
BOS
-
SCL
15h 00m
1 stop
LATAM Airlines Logo
11:25 pm - 2:54 pm
SCL
-
BOS
16h 29m
1 stop
$619LATAM Airlines
Mon, Mar 9 - Mon, Mar 16
Copa Airlines Logo
8:52 am - 11:26 pm
BOS
-
SCL
14h 34m
1 stop
Copa Airlines Logo
4:09 am - 11:08 pm
SCL
-
BOS
18h 59m
1 stop
$620Copa Airlines
Thu, May 7 - Sun, May 17
LATAM Airlines Logo
12:45 pm - 7:40 am
BOS
-
SCL
17h 55m
1 stop
LATAM Airlines Logo
1:35 pm - 7:35 am
SCL
-
BOS
19h 00m
1 stop
$622LATAM Airlines
Tue, Mar 10 - Tue, Mar 17
LATAM Airlines Logo
9:55 am - 11:40 am
BOS
-
SCL
24h 45m
1 stop
LATAM Airlines Logo
5:15 am - 11:33 pm
SCL
-
BOS
19h 18m
2 stops
$628LATAM Airlines
Mon, Mar 23 - Thu, Mar 26

Copa Airlines flights from Boston to Santiago

Our best Copa Airlines deals on Boston to Santiago flight tickets
Copa Airlines
May 7
BOS8:52 amBoston Logan Intl
14h 34m
1 stop
SCL11:26 pmSantiago Arturo Merino Benitez
May 17
SCL4:09 amSantiago Arturo Merino Benitez
18h 59m
1 stop
BOS11:08 pmBoston Logan Intl
$620
Copa Airlines
Apr 20
BOS8:43 amBoston Logan Intl
18h 17m
1 stop
SCL3:00 amSantiago Arturo Merino Benitez
Apr 26
SCL12:46 amSantiago Arturo Merino Benitez
13h 48m
1 stop
BOS2:34 pmBoston Logan Intl
$640
Copa Airlines
Mar 19
BOS4:05 pmBoston Logan Intl
12h 55m
1 stop
SCL6:00 amSantiago Arturo Merino Benitez
Apr 1
SCL5:49 amSantiago Arturo Merino Benitez
33h 45m
1 stop
BOS2:34 pmBoston Logan Intl
$644

LATAM Airlines flights from Boston to Santiago

Our best LATAM Airlines deals on Boston to Santiago flight tickets
LATAM Airlines
May 7
BOS9:55 amBoston Logan Intl
20h 55m
1 stop
SCL6:50 amSantiago Arturo Merino Benitez
May 17
SCL10:55 pmSantiago Arturo Merino Benitez
16h 24m
1 stop
BOS3:19 pmBoston Logan Intl
$593
LATAM Airlines
Mar 19
BOS1:55 pmBoston Logan Intl
15h 00m
1 stop
SCL5:55 amSantiago Arturo Merino Benitez
Mar 26
SCL10:30 pmSantiago Arturo Merino Benitez
13h 40m
1 stop
BOS11:10 amBoston Logan Intl
$606
LATAM Airlines
Mar 15
BOS1:55 pmBoston Logan Intl
15h 00m
1 stop
SCL5:55 amSantiago Arturo Merino Benitez
Mar 22
SCL10:35 amSantiago Arturo Merino Benitez
24h 47m
1 stop
BOS10:22 amBoston Logan Intl
$616

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Santiago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Boston to Santiago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Tue 3/10

8:55 am-12:30 am

1 stop14h 35m

Santiago Arturo Merino Benitez

Tue 3/17

7:25 am-1:55 pm

2 stops31h 30m

$587

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Tue 3/10

8:55 am-12:30 am

1 stop14h 35m

Santiago Arturo Merino Benitez

Tue 3/17

7:25 am-1:55 pm

2 stops31h 30m

$591

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Thu 5/7

9:55 am-6:50 am

1 stop20h 55m

Santiago Arturo Merino Benitez

Sun 5/17

10:55 pm-3:19 pm

1 stop16h 24m

$593

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Tue 3/10

3:54 pm-12:30 am

2 stops31h 36m

Santiago Arturo Merino Benitez

Tue 3/17

5:50 am-1:55 pm

2 stops33h 05m

$597

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Thu 3/19

1:55 pm-5:55 am

1 stop15h 00m

Santiago Arturo Merino Benitez

Thu 3/26

10:30 pm-11:10 am

1 stop13h 40m

$606

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Sun 3/15

1:55 pm-5:55 am

1 stop15h 00m

Santiago Arturo Merino Benitez

Sun 3/22

10:35 am-10:22 am

1 stop24h 47m

$616

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Mon 3/9

1:55 pm-5:55 am

1 stop15h 00m

Santiago Arturo Merino Benitez

Mon 3/16

11:25 pm-2:54 pm

1 stop16h 29m

$619

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Thu 5/7

8:52 am-11:26 pm

1 stop14h 34m

Santiago Arturo Merino Benitez

Sun 5/17

4:09 am-11:08 pm

1 stop18h 59m

$620

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Tue 3/10

12:45 pm-7:40 am

1 stop17h 55m

Santiago Arturo Merino Benitez

Tue 3/17

1:35 pm-7:35 am

1 stop19h 00m

$622

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Mon 3/23

9:55 am-11:40 am

1 stop24h 45m

Santiago Arturo Merino Benitez

Thu 3/26

5:15 am-11:33 pm

2 stops19h 18m

$628

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, November 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 $675. If you don’t want to visit Santiago in November, then you should wait until September to fly from Boston, when ticket prices are also cheap, with an average price of $688.

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 weeks ahead of your departure date. In general, you can expect to find flights to Santiago for around $848 when searching 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 $713 on momondo.

Can stopping save me money on Boston to Santiago flights?

You could potentially save up to 8% on your flight if you consider stops on a Boston to Santiago flight.

How have Boston to Santiago flight prices changed over time?

As of January 2026, prices for Boston to Santiago flights are approximately 33% cheaper 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

Fastest flight time

13h 50m

Direct flights

None
The fastest flight from Boston to Santiago takes 13h 50m
There are no direct flights from Boston to Santiago. There are no popular flight routes from Boston to Santiago.
Search flight deals

  • 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 13h 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
Copa AirlinesPriceFrom $399Free CancellationRating
7.5
1,560 reviews
Search Copa Airlines flights
AviancaPriceFrom $442Free CancellationRating
6.6
2,492 reviews
Search Avianca flights
DeltaPriceFrom $513Free CancellationRating
7.9
8,127 reviews
Search Delta flights
LATAM AirlinesPriceFrom $513Free CancellationRating
7.5
1,918 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $514Free CancellationRating
7.4
9,214 reviews
Search United Airlines flights
American AirlinesPriceFrom $543Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights
Air CanadaPriceFrom $697Free CancellationRating
7.1
10,667 reviews
Search Air Canada 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
Valle Nevado
San Fernando
Pichilemu
Zapallar

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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