Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Santiago from $250

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 4/15. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Boston to Santiago

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Boston to Santiago.
4:50 pm - 10:30 pmBOS-SCL
29h 40m2 stops
3:30 pm - 7:15 amSCL-BOS
16h 45m1 stop
$564Avianca
Find Deal
Mon, Aug 25 - Fri, Sep 26
4:50 pm - 1:25 pmBOS-SCL
20h 35m2 stops
2:30 pm - 2:55 pmSCL-BOS
24h 25m2 stops
$565Avianca
Find Deal
Sun, Aug 24 - Thu, Aug 28
8:45 pm - 6:30 amBOS-SCL
33h 45m2 stops
11:12 am - 1:50 pmSCL-BOS
26h 38m2 stops
$749LATAM Airlines
Find Deal
Wed, May 14 - Wed, May 21
8:47 am - 11:08 pmBOS-SCL
14h 21m1 stop
2:24 am - 7:26 pmSCL-BOS
17h 02m1 stop
$752Copa Airlines
Find Deal
Tue, May 27 - Mon, Jun 2
9:55 am - 12:45 amBOS-SCL
14h 50m1 stop
7:45 am - 1:06 amSCL-BOS
17h 21m2 stops
$759LATAM Airlines
Find Deal
Mon, Aug 18 - Wed, Aug 27
12:25 pm - 7:00 amBOS-SCL
18h 35m1 stop
4:15 am - 11:27 pmSCL-BOS
19h 12m2 stops
$764Delta
Find Deal
Tue, Aug 19 - Thu, Aug 28
3:05 pm - 6:50 amBOS-SCL
15h 45m2 stops
11:05 pm - 4:44 pmSCL-BOS
17h 39m2 stops
$768Delta
Find Deal
Mon, Aug 18 - Thu, Aug 28
8:44 am - 11:08 pmBOS-SCL
14h 24m1 stop
4:10 am - 10:27 pmSCL-BOS
18h 17m1 stop
$772Copa Airlines
Find Deal
Fri, Aug 1 - Fri, Aug 15
8:00 am - 6:55 amBOS-SCL
22h 55m1 stop
9:30 pm - 4:55 pmSCL-BOS
21h 25m1 stop
$824American Airlines
Find Deal
Sun, Apr 13 - Mon, Nov 17
1:58 pm - 6:55 amBOS-SCL
16h 57m2 stops
9:30 pm - 1:26 pmSCL-BOS
17h 56m2 stops
$828American Airlines
Find Deal
Sun, Apr 13 - Mon, Nov 17

Copa Airlines flights from Boston to Santiago

Our best Copa Airlines deals on Boston to Santiago flight tickets
Copa Airlines
May 27
BOS8:47 amBoston Logan Intl
14h 21m
1 stop
SCL11:08 pmSantiago Arturo Merino Benitez
Jun 2
SCL2:24 amSantiago Arturo Merino Benitez
17h 02m
1 stop
BOS7:26 pmBoston Logan Intl
Copa Airlines
Aug 1
BOS8:44 amBoston Logan Intl
14h 24m
1 stop
SCL11:08 pmSantiago Arturo Merino Benitez
Aug 15
SCL4:10 amSantiago Arturo Merino Benitez
18h 17m
1 stop
BOS10:27 pmBoston Logan Intl
Copa Airlines
Sep 5
BOS8:41 amBoston Logan Intl
13h 59m
1 stop
SCL10:40 pmSantiago Arturo Merino Benitez
Sep 27
SCL1:23 amSantiago Arturo Merino Benitez
18h 59m
1 stop
BOS7:22 pmBoston Logan Intl

American Airlines flights from Boston to Santiago

Our best American Airlines deals on Boston to Santiago flight tickets
American Airlines
Apr 13
BOS8:00 amBoston Logan Intl
22h 55m
1 stop
SCL6:55 amSantiago Arturo Merino Benitez
Nov 17
SCL9:30 pmSantiago Arturo Merino Benitez
21h 25m
1 stop
BOS4:55 pmBoston Logan Intl
American Airlines
Apr 13
BOS1:58 pmBoston Logan Intl
16h 57m
2 stops
SCL6:55 amSantiago Arturo Merino Benitez
Nov 17
SCL9:30 pmSantiago Arturo Merino Benitez
17h 56m
2 stops
BOS1:26 pmBoston Logan Intl
American Airlines
Apr 13
BOS8:00 amBoston Logan Intl
22h 55m
1 stop
SCL6:55 amSantiago Arturo Merino Benitez
Nov 16
SCL9:30 pmSantiago Arturo Merino Benitez
23h 17m
1 stop
BOS6:47 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 $712. 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 $741.

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 $870 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 $757 on momondo.

How have Boston to Santiago flight prices changed over time?

As of March 2025, prices for Boston to Santiago flights are approximately 30% 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

Best Price Found

$250

Fastest flight time

12h 59m

Direct flights

None

Airports in Santiago

1 airport
The best one-way flight to Santiago from Boston in the past 72 hours is $250. The best round-trip flight deal from Boston to Santiago found on momondo in the last 72 hours is $564.
The fastest flight from Boston to Santiago takes 12h 59m
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 59m, 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 $524Free CancellationRating
6.7
2,300 reviews
Search Avianca flights
Copa AirlinesPriceFrom $634Free CancellationRating
7.5
1,395 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $661Free CancellationRating
7.5
1,750 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $672Free CancellationRating
7.4
8,603 reviews
Search United Airlines flights
Air CanadaPriceFrom $694Free CancellationRating
7.0
8,981 reviews
Search Air Canada flights
AeromexicoPriceFrom $704Free CancellationRating
7.4
1,701 reviews
Search Aeromexico flights
DeltaPriceFrom $722Free CancellationRating
8.0
7,895 reviews
Search Delta flights
American AirlinesPriceFrom $725Free 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.


An easier way to manage your Santiago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 4/1
Tue 4/8

Find better results for your trip to Chile