$225 Find Cheap Flights from Boston to Chile

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Chile departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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1 adult, Economy

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Cheap Flights from Boston to Chile

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Santiago
Santiago2 stops$482
Easter Island
Easter Island2 stops$2,538
Punta Arenas
Punta Arenas2 stops$780
Concepción
Concepción2 stops$616
Santiago
Santiago2 stops$482
Easter Island
Easter Island2 stops$2,538
Punta Arenas
Punta Arenas2 stops$780
Concepción
Concepción2 stops$616

Book Cheap Boston to Chile Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Chile that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Chile

Mon, Oct 20 - Mon, Oct 27
 Logo
4:54 pm - 3:35 amBOS-SCL
33h 41m2 stops
 Logo
4:25 pm - 7:35 amSCL-BOS
16h 10m1 stop
Tue, Sep 9 - Wed, Sep 17
Avianca Logo
9:00 am - 5:15 amBOS-SCL
19h 15m1 stop
Avianca Logo
3:30 pm - 7:15 amSCL-BOS
16h 45m1 stop
$503Avianca
Find Deal
Tue, Oct 7 - Sat, Oct 18
Avianca Logo
9:00 am - 5:15 amBOS-SCL
19h 15m1 stop
Avianca Logo
3:30 pm - 2:55 pmSCL-BOS
24h 25m2 stops
$504Avianca
Find Deal
Thu, Sep 25 - Sat, Oct 18
LATAM Airlines Logo
5:05 pm - 7:50 amBOS-SCL
13h 45m1 stop
LATAM Airlines Logo
10:55 pm - 3:26 pmSCL-BOS
17h 31m1 stop
$505LATAM Airlines
Find Deal
Mon, Oct 27 - Sat, Nov 8
LATAM Airlines Logo
9:59 am - 5:55 amBOS-SCL
18h 56m1 stop
LATAM Airlines Logo
6:52 pm - 6:35 amSCL-BOS
37h 43m2 stops
$507LATAM Airlines
Find Deal
Tue, Oct 7 - Wed, Oct 15
Copa Airlines Logo
3:49 pm - 6:00 amBOS-SCL
13h 11m1 stop
Copa Airlines Logo
1:13 am - 10:53 pmSCL-BOS
22h 40m1 stop
$532Copa Airlines
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Fri, Sep 5 - Sun, Sep 28
Delta Logo
12:00 pm - 4:45 amBOS-SCL
16h 45m2 stops
Delta Logo
5:00 pm - 7:35 amSCL-BOS
15h 35m1 stop
$534Delta
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Thu, Sep 11 - Wed, Sep 24
Delta Logo
3:15 pm - 7:00 amBOS-SCL
14h 45m1 stop
Delta Logo
8:45 pm - 2:59 pmSCL-BOS
19h 14m2 stops
$536Delta
Find Deal
Thu, Feb 5 - Wed, Feb 18
Copa Airlines Logo
7:31 am - 4:14 amBOS-SCL
18h 43m1 stop
Copa Airlines Logo
3:34 am - 10:03 pmSCL-BOS
20h 29m1 stop
$552Copa Airlines
Find Deal
Sat, Oct 25 - Fri, Oct 31
American Airlines Logo
8:00 am - 8:10 amBOS-SCL
23h 10m1 stop
American Airlines Logo
10:15 pm - 9:00 pmSCL-BOS
23h 45m1 stop
$558American Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Boston to Chile flights

Get data-powered insights and trends into flights from Boston to Chile to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Boston to Chile?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Chile, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boston to Chile is September, when tickets cost $688 (return) on average. On the other hand, the most expensive months are December and March, when the average cost of round-trip tickets is $1,012 and $963 respectively.

What’s the cheapest day of the week to fly from Boston to Chile?

The average price of all round-trip flights from Boston to Chile clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Boston to Chile, look for departures on Sundays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Chile, Thursday is the cheapest day to fly and Friday is the most expensive.

How far in advance should I book a flight from Boston to Chile?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boston to Chile, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Boston to Chile, you should book around 3 weeks before departure, which saves you about 19% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know

Low seasonMay
Cheapest flight$225
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly with an average 20% increase in price.
Flight from Boston to Santiago

FAQs - booking Chile flights

  • How does KAYAK find such low prices on flights from Boston to Chile?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Chile.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Chile?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Boston to Chile is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Chile?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Boston to Chile with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Chile?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Boston to Chile up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Chile?

    The cheapest time of day to fly to Chile is generally at night, when round-trip flights cost $698 on average. Morning departures are around 10% cheaper than evening flights, on average. The most expensive time of day to fly to Chile is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $1,076.

Reviews of the top 5 airlines serving from Boston to Chile

 
Need help choosing which airline to fly with from Boston to Chile? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 7979 reviews
7.9Entertainment
8.2Boarding
7.9Comfort
8.5Crew
7.3Food
Airline reviews

This route with Delta always has delays or is cancelled. Aircrafts seem smaller and older. I fly Delta quite a bit - haven’t had issues with the international flights. But this route has always been the troublesome one

4.0 Okaypuravi, Aug 2025LGA - STL
Read more Delta reviews

This route with Delta always has delays or is cancelled. Aircrafts seem smaller and older. I fly Delta quite a bit - haven’t had issues with the international flights. But this route has always been the troublesome one

Nothing special. The crew never went out of their way for anything.

Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate

Mechanic delay in addition to a 2 hour change in takeoff time was frustrating.

Delayed due to thunderstorms and no in-flight service due to rough weather — both of which are out of Delta’s control. Flight was good overall.

The flight attendants in SLC were rude. I arrived 40 minutes early to gate. Ticket said I needed check in for seat assignments and tried check in and attendants said they weren’t doing it. And proceeded to never call me to give me a ticket so when time to board I received the very last seat. Please relay to employees to do their job better..,

On this flight I felt the food offering was not as complete as on previous flights. The tomato salad was a bit off and there was nothing additional such a bread or butter. The breakfast was only one option, so you either ate what they had or ate nothing. The crew was efficient, but most seemed frustrated throughout the flight. The flight arrived early and was obstacle-free, so I’m overall quite happy, but the shine in the rest of the experience just wasn’t there.

The seats got pretty uncomfortable pretty fast. The armrests are bigger than on other planes, so I had less room in the actual seat. My butt hurt by the end of the flight. :/ comfort was the primary issue. The crew were fantastic!

I believe that a four-hour trip should have a meal. Delta had none.

Great flight with Delta! Boarding was quick and easy, the amenities were solid, and the plane was in great shape. The flight attendants had a fun, lively energy while staying professional. All in all, a smooth trip — even managed to catch up on some rest. Thanks, Delta!

The flight was late. Please do not delay next time.

I couldn't travel, now I can't get a refund and to change the date I have to pay an absurd fine.

My biggest complaint is the comfort. I am not tall and there was no legroom. It was very uncomfortable. During my transfer in Sao Paola, the flight was slightly delayed so boarding was confusing because there were no instructions in English.

Horrible the worst airlines I have ever flown. Cancelled flight with no choices and when contacted them they were not helpful

I never got this flight. You sent me to Chile!!! And from Chile I got the other flight to São Paulo... I've arrived 7h latter than I was supposed to arrive because of Delta delays.

Because the flight was late, we lost the connection to Brazil. You, Delta delayed, and you Delta anticipated the door closing in 15 min from Miami to GRU. Why? It caused a lot of stress! I almost could not see my mother in law alive because of your delay.

Boarding was done by woman who insisted on strict standing in line policy; food was ok; entertainment minimal

Wider seats, better seat cushions, (I felt like there was a board I was sitting on). I had the chicken to eat but It neither tasted nor looked like chicken. The fruit was good.

It was a very good flight, no entertainment is the reason for not checking that box.

I was in the last row and they sent me to check in my luggage last minute after boarding. I had to go through the crowd.

We had a great flight just wished they had a tv so we can see a movie that would of made my trip excellent.

horrible service, food was an embarrassment, no charging for cellphones, stay away

the food served was an embarrassment. No connection for charging the cellphone... What a crappy airline.

Very happy with my flight. I would definitely recommend it.

Did upgrade, travel in business it was great (more room I could sleep)

Had to go through security at the gate again. Had to take off shoes and go through the whole thing again even though we have global entry. They asked us to check in items bought at duty free during our layover and since we checked our luggage at the original departure airport, they forced us to check in a small backpack. None of this ever happened with other airlines. In addition, no vegetarian food option and no snacks during a 7 hr flight. Luggage limits are unusually small. This is unacceptable. Will NEVER fly Copa again and will tell friends and family to avoid this airline.

It was ok. However, the food was quite poor since I don't eat pasta.

Placed us in the last rear row of the plane so could not recline seats because of the rear wall, and also made it more of a tight space when the passenger in front reclined their seat. While understand seat assignments, every passenger should be afforded a reclining seat. The odor control scent from the restrooms was overwhelming strong. My wife and I could not deal with it, and she suffered a terrible headache as a result. I kept getting hit by the crew since I was on the ilse seat. No apologies, nothing. They made me feel like I was supposed to take the beating for a 3 hr flight.

There was no individual at the front check in when I arrived. I waited for at least 15 minutes and walked around asking security/janitors if they could help and they did not have a solution. So I had to take my checked bag through security and they threw away some of my items. I ended up making it to the gate only a few minutes before it closed due to my waiting for an agent at check in.

We were in transit from Lima (flight at 1.10am) and we were in stand by in our flight from Panama to Washington. We wait from 4.30 am to 18.30pm in the Airport. The company give us 2 x 15 dollars for eat during the day and a personnal travel voucher of 400 dollars each. Do they buy food one time something in the Airport ??? And one of us live in France so the voucher is not usable. More than 24 hours travel !! And our place were near the toilets, with 8 children around us. The boy behind my seat stamped his feet on my back all the flight. Really Wonder full ! So we are totally unhappy with our travel. Thanks Copa Airlines....

The flight was canceled 3 hours after original take off time

My flight was delayed for several hours. Sitting at gate 16 for several hours, I got a text from Kayak the gate changed to 9 before it was announced. Very bad communication at each gate from American Airlines employees. I received 10 notifications of delay from Kayak. My vacation started off horrible! I will write to American Airlines corporate office also.

The AA staff person who checked our bags was curt and almost rude. The FA also seemed unhappy doing her job. Overall it was like riding the school bus back in grade school.

Internet was a bit expensive and did not work ask that week otherwise a good flight

Ring in first class for an overnight flight, there was no blankets nor pillows for first class customers.

My Internet did not work for Outlook email or basically anything. I paid for one hour of in-flight usage and it was terrible. I spent a lot of time on different sites and browsers with no luck and a lot of frustration. Other than that, the flight was on time, crew was nice, service was fine. Seat was OK even though I paid for the extra 6 inches. I cannot imagine how tight the seats in the back must be.

Delayed flight that lead to a missed connection and a 5-hour trip became a 12-hour flight 🙄

Any flight to ORD after about 2pm this summer has been challenging. Flight was delayed getting in (coming from ORD) and that led to it not leaving before a ground stop due to lightening before they could fuel the plane, and so forth. They made up some time but we were still late in arriving at ORD, and that led to missed connections.

Food was ok, but not as good as I have had before on AA.

No issues. They did change our gate FOUR times in about 30 minutes which was mildly annoying but the flight was fine.

The seats were uncomfortable and barely reclined at all. Very little leg room despite being business class. The crew was friendly and the food was good. Had to use my own phone for in-flight entertainment.

The check in is the only positive thing in Avianca. The seat is the most uncomfortable I have traveled, the distance is minimal.

No food, terms when selling are not clear. To pricy for the service in general

The incoming plane was late and no information was shared. They even announced we would board in 10 muntes 40 minutes prior to the plane arriving, and the website said until takeoff that we had taken off an hour earlier

Boarding was excessively slow. They do it by groups in a way that it doesn’t make sense. After business class , ppl that need assistance and any other priority group they should have ppl board from the back to the front. First rows 20+. Then 15+. Then 10, etc. having ppl sitting in the back board last makes no sense. The libe backame long as soon as ppl on rows 10 or so where told to board. The line went all the way up the ramp and tunnel for 25 mins.

Seats are very tight even in Plus, no complimentary snacks or beverage

The chicken that was served in business class was cold!

Late departure. When the flight arrived in Medellin the plane sat at the gate for 20 minutes waiting for a bus for us to get off the plane.

I receive a service for what I pay, so it is fair.

i think the flight was late because they were so strict about measuring everyone's personal items to try and charge them $119. It was really petty and made us late.

Everything you need to know for your flight from Boston to Chile

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