What is the cheapest airline that flies from Boston Logan Intl to Cusco Velazco Astete?

LATAM Airlines, American Airlines, and Avianca are the most popular carriers operating from Boston Logan Intl to Cusco Velazco Astete

What airlines fly to Cusco?

LATAM Airlines, Avianca and American Airlines are the top three most popular airlines that fly to Cusco from Boston according to our data. LATAM Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Cusco. Keep in mind that there are 4 different airlines that fly to Cusco on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Boston Logan Intl Airport to Cusco Velazco Astete Airport?

Prices for flights from Boston Logan Intl Airport to Cusco Velazco Astete Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Boston Logan Intl Airport to Cusco Velazco Astete Airport?

There are 4 operators available for flights from Boston Logan Intl Airport to Cusco Velazco Astete Airport as of December 2025.

How old do you have to be to fly from Boston Logan Intl Airport to Cusco Velazco Astete Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Cusco Velazco Astete Airport.

What documentation or ID do you need to fly to Cusco Velazco Astete Airport?

The travel and health documents you'll need for your trip to Cusco Velazco Astete 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 Cusco Velazco Astete Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$320 Cheap Flights from Boston to Cusco in 2025/26

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Find the cheapest flights from Boston to Cusco

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5:34 am - 10:26 am

BOS

CUZ

28h 52m2 stops

9:02 pm - 4:19 pm

CUZ

BOS

19h 17m2 stops

$563Multiple Airlines

Wed, Jan 28 - Sun, Feb 8

3:25 pm - 8:21 pm

BOS

CUZ

28h 56m3 stops

9:02 pm - 4:19 pm

CUZ

BOS

19h 17m2 stops

$594Multiple Airlines

Wed, Jan 28 - Sun, Feb 8

5:40 am - 6:25 am

BOS

CUZ

24h 45m2 stops

8:57 pm - 11:48 pm

CUZ

BOS

26h 51m2 stops

$610Multiple Airlines

Wed, Feb 18 - Thu, Feb 26

5:34 am - 6:25 am

BOS

CUZ

24h 51m2 stops

9:50 pm - 10:37 pm

CUZ

BOS

24h 47m2 stops

$611Multiple Airlines

Sat, Jan 17 - Sat, Jan 24

5:34 am - 6:25 am

BOS

CUZ

24h 51m2 stops

9:50 pm - 9:32 am

CUZ

BOS

35h 42m3 stops

$614Multiple Airlines

Sat, Jan 17 - Sat, Jan 24

7:00 am - 1:25 pm

BOS

CUZ

30h 25m3 stops

10:02 pm - 11:48 pm

CUZ

BOS

25h 46m2 stops

$632Multiple Airlines

Wed, Feb 18 - Thu, Feb 26

7:00 am - 1:25 pm

BOS

CUZ

30h 25m3 stops

8:57 pm - 11:48 pm

CUZ

BOS

26h 51m3 stops

$654Multiple Airlines

Wed, Feb 18 - Thu, Feb 26

6:15 am - 6:25 am

BOS

CUZ

24h 10m3 stops

9:50 pm - 9:32 am

CUZ

BOS

35h 42m3 stops

$700Multiple Airlines

Sat, Jan 17 - Sat, Jan 24

9:00 am - 7:24 am

BOS

CUZ

23h 24m2 stops

12:15 pm - 8:50 pm

CUZ

BOS

31h 35m3 stops

$702Multiple Airlines

Tue, Apr 28 - Wed, May 6

5:23 pm - 9:26 pm

BOS

CUZ

28h 03m2 stops

5:00 am - 11:48 pm

CUZ

BOS

18h 48m2 stops

$719Multiple Airlines

Wed, Feb 4 - Mon, Feb 16

LATAM Airlines flights from Boston to Cusco

Our best LATAM Airlines deals on Boston to Cusco flight tickets

LATAM Airlines

Jan 25

BOS3:50 pmBoston Logan Intl

25h 25m

2 stops

CUZ5:15 pmCusco Velazco Astete

Jan 29

CUZ8:10 pmCusco Velazco Astete

22h 44m

2 stops

BOS6:54 pmBoston Logan Intl

$795

Find similar

LATAM Airlines

Jan 25

BOS3:50 pmBoston Logan Intl

25h 25m

2 stops

CUZ5:15 pmCusco Velazco Astete

Jan 29

CUZ7:25 pmCusco Velazco Astete

18h 55m

2 stops

BOS2:20 pmBoston Logan Intl

$810

Find similar

LATAM Airlines

Apr 17

BOS7:00 amBoston Logan Intl

24h 10m

2 stops

CUZ6:10 amCusco Velazco Astete

Apr 22

CUZ7:30 amCusco Velazco Astete

16h 33m

2 stops

BOS1:03 amBoston Logan Intl

$832

Find similar

Avianca flights from Boston to Cusco

Our best Avianca deals on Boston to Cusco flight tickets

Avianca

Feb 7

BOS7:55 amBoston Logan Intl

27h 25m

1 stop

CUZ11:20 amCusco Velazco Astete

Feb 14

CUZ5:10 pmCusco Velazco Astete

20h 40m

2 stops

BOS1:50 pmBoston Logan Intl

$934

Find similar

Avianca

May 12

BOS9:00 amBoston Logan Intl

27h 00m

1 stop

CUZ11:00 amCusco Velazco Astete

May 20

CUZ12:15 pmCusco Velazco Astete

18h 00m

1 stop

BOS7:15 amBoston Logan Intl

$973

Find similar

Avianca

May 11

BOS4:50 pmBoston Logan Intl

19h 10m

2 stops

CUZ11:00 amCusco Velazco Astete

May 18

CUZ4:45 pmCusco Velazco Astete

13h 30m

1 stop

BOS7:15 amBoston Logan Intl

$984

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 1/28

5:34 am-10:26 am

2 stops28h 52m

Cusco Velazco Astete

Sun 2/8

9:02 pm-4:19 pm

2 stops19h 17m

$563

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 1/28

3:25 pm-8:21 pm

3 stops28h 56m

Cusco Velazco Astete

Sun 2/8

9:02 pm-4:19 pm

2 stops19h 17m

$594

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 2/18

5:40 am-6:25 am

2 stops24h 45m

Cusco Velazco Astete

Thu 2/26

8:57 pm-11:48 pm

2 stops26h 51m

$610

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sat 1/17

5:34 am-6:25 am

2 stops24h 51m

Cusco Velazco Astete

Sat 1/24

9:50 pm-10:37 pm

2 stops24h 47m

$611

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sat 1/17

5:34 am-6:25 am

2 stops24h 51m

Cusco Velazco Astete

Sat 1/24

9:50 pm-9:32 am

3 stops35h 42m

$614

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 2/18

7:00 am-1:25 pm

3 stops30h 25m

Cusco Velazco Astete

Thu 2/26

10:02 pm-11:48 pm

2 stops25h 46m

$632

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 2/18

7:00 am-1:25 pm

3 stops30h 25m

Cusco Velazco Astete

Thu 2/26

8:57 pm-11:48 pm

3 stops26h 51m

$654

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sat 1/17

6:15 am-6:25 am

3 stops24h 10m

Cusco Velazco Astete

Sat 1/24

9:50 pm-9:32 am

3 stops35h 42m

$700

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Tue 4/28

9:00 am-7:24 am

2 stops23h 24m

Cusco Velazco Astete

Wed 5/6

12:15 pm-8:50 pm

3 stops31h 35m

$702

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 2/4

5:23 pm-9:26 pm

2 stops28h 03m

Cusco Velazco Astete

Mon 2/16

5:00 am-11:48 pm

2 stops18h 48m

$719

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Cusco

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

Prices

Airlines

What is the cheapest month to fly to Cusco?

In general, January is the cheapest month to fly from Boston to Cusco. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $687. If you aren’t able to travel to Cusco during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $705.

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

The cheapest day to depart from Boston to Cusco is on a Monday when prices can be found for as low as $686. The most expensive day to fly to Cusco is Friday, with ticket prices averaging around $773.

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

According to our data, the cheapest time of day to fly to Cusco is in the afternoon. momondo users have found flights departing from Boston to Cusco in the afternoon for as low as $701. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Cusco is in the morning when prices are around $779.

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

You are more likely to see cheaper flights to Cusco from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Cusco for around $914 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cusco from Boston for as low as $681 on momondo.

How have Boston to Cusco flight prices changed over time?

As of December 2025, prices for Boston to Cusco flights are approximately 27% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Cusco

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

Estimated round-trip price

Cheap Boston to Cusco (BOS to CUZ) flight deals and tips

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

Fastest flight time	18h 40m
Direct flights	None

The fastest flight from Boston to Cusco takes 18h 40m

There are no direct flights from Boston to Cusco. There are no popular flight routes from Boston to Cusco.

Search flight deals

How far is Boston Logan Intl to Cusco Velazco Astete by plane?
A flight from Boston Logan Intl to Cusco Velazco Astete will travel around 3859.6 mi. In terms of flight time, this usually takes a little over 15h 45m.
When did momondo last update prices for flights from Boston Logan Intl Airport to Cusco Velazco Astete Airport?
Prices for flights from Boston Logan Intl Airport to Cusco Velazco Astete Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Boston Logan Intl Airport to Cusco Velazco Astete Airport?
There are 4 operators available for flights from Boston Logan Intl Airport to Cusco Velazco Astete Airport as of December 2025.
How old do you have to be to fly from Boston Logan Intl Airport to Cusco Velazco Astete Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Cusco Velazco Astete Airport.
What documentation or ID do you need to fly to Cusco Velazco Astete Airport?
The travel and health documents you'll need for your trip to Cusco Velazco Astete 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 Cusco Velazco Astete 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 Cusco?
momondo data reveals that the most frequently booked airline on the route from Boston to Cusco is LATAM Airlines, representing 71% of all bookings. The subsequent popular airlines are Avianca at 14%, American Airlines at 9%, and Delta at 6%.

Best airlines flying from Boston to Cusco

Compare and see reviews for airlines that fly from Boston to Cusco with momondo

Airline	Rating	Free Cancellation	Price
Avianca	PriceFrom $419	Free Cancellation	Rating 6.6 2,480 reviews	Search Avianca flights
LATAM Airlines	PriceFrom $664	Free Cancellation	Rating 7.5 1,890 reviews	Search LATAM Airlines flights
American Airlines	PriceFrom $687	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights
Delta	PriceFrom $771	Free Cancellation	Rating 7.9 8,010 reviews	Search Delta flights

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Why use momondo?

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

It is quick and easy to find Boston to Cusco 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 Cusco that suits you.

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

momondo does allow users to show only those flights to Cusco 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 Cusco?

momondo provides multiple filters to help you find the best flight to Cusco 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 Cusco right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boston to Cusco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.