Cheap flights from Santiago to Boston

One-way fares from $145 · STI → BOS · prices found by travellers in the last 48 hours

Cheapest fare
$145

jetBlue · Tue, Nov 24

Cheapest month
November

from $145

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 59m

2,550 km

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Cheapest month to fly from Santiago to Boston

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $145
  2. July 2027 $351

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

jetBlue
Depart04:25 Tue, Nov 24STI → BOS 4h 59m · 1 stop
$145one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Boston

Where to stay, what to do and getting around, from our travel partners.

About flights from Santiago to Boston

Santiago (STI) and Boston (BOS) are about 2,550 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 59m. Over the next few months, one-way fares start from $145, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Santiago to Boston?

The cheapest one-way fare we've seen recently is $145 with jetBlue, departing Tuesday, November 24, 2026. Over the coming months, the lowest fare in each month ranges from $145 to $351.

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

November 2026 currently has the lowest fares, from $145 one way.

Are there direct flights from Santiago to Boston?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Santiago to Boston?

The quickest journey we've seen takes about 4h 59m. Santiago and Boston are around 2,550 km apart.

Which airlines fly from Santiago to Boston?

Recent fares on this route were with jetBlue and American Airlines.

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