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Cheap flights from Boston to Cusco from $237

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 Cusco departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to Cusco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:45 am - 6:26 amBOS-CUZ
24h 41m2 stops
Multiple Airlines Logo
12:10 pm - 7:06 pmCUZ-BOS
30h 56m3 stops
$565Multiple Airlines
Find Deal
Sat, Dec 6 - Fri, Dec 12
Multiple Airlines Logo
5:45 am - 7:20 amBOS-CUZ
25h 35m2 stops
Multiple Airlines Logo
6:30 pm - 7:06 pmCUZ-BOS
24h 36m3 stops
$567Multiple Airlines
Find Deal
Sat, Dec 6 - Fri, Dec 12
Multiple Airlines Logo
5:45 am - 6:26 amBOS-CUZ
24h 41m2 stops
Multiple Airlines Logo
8:30 pm - 7:42 pmCUZ-BOS
23h 12m2 stops
$596Multiple Airlines
Find Deal
Sat, Dec 6 - Fri, Dec 12
Multiple Airlines Logo
3:40 pm - 6:30 amBOS-CUZ
14h 50m2 stops
Multiple Airlines Logo
8:30 pm - 7:42 pmCUZ-BOS
23h 12m2 stops
$597Multiple Airlines
Find Deal
Sat, Dec 6 - Fri, Dec 12
LATAM Airlines Logo
7:50 pm - 10:40 amBOS-CUZ
15h 50m2 stops
LATAM Airlines Logo
8:00 pm - 2:47 pmCUZ-BOS
17h 47m2 stops
$765LATAM Airlines
Find Deal
Fri, Apr 17 - Sun, Apr 26
Avianca Logo
3:25 pm - 11:20 amBOS-CUZ
19h 55m2 stops
Avianca Logo
12:25 pm - 6:35 amCUZ-BOS
18h 10m1 stop
$776Avianca
Find Deal
Wed, Dec 31 - Wed, Jan 14
LATAM Airlines Logo
7:50 pm - 11:15 amBOS-CUZ
16h 25m2 stops
LATAM Airlines Logo
10:00 am - 10:24 amCUZ-BOS
23h 24m2 stops
$797LATAM Airlines
Find Deal
Sun, Apr 5 - Tue, Apr 14
Avianca Logo
4:50 pm - 11:00 amBOS-CUZ
43h 10m2 stops
Avianca Logo
12:15 pm - 7:15 amCUZ-BOS
18h 00m1 stop
$835Avianca
Find Deal
Fri, Apr 24 - Fri, May 1
Delta Logo
3:20 pm - 9:10 amBOS-CUZ
17h 50m2 stops
Delta Logo
8:10 pm - 2:27 pmCUZ-BOS
18h 17m2 stops
$872Delta
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Thu, Dec 4 - Sun, Dec 7
American Airlines Logo
11:00 am - 6:24 amBOS-CUZ
20h 24m2 stops
American Airlines Logo
4:17 pm - 10:23 amCUZ-BOS
17h 06m2 stops
$929American Airlines
Find Deal
Fri, Apr 3 - Sun, Apr 12

Avianca flights from Boston to Cusco

Our best Avianca deals on Boston to Cusco flight tickets
Avianca
Dec 31
BOS3:25 pmBoston Logan Intl
19h 55m
2 stops
CUZ11:20 amCusco Velazco Astete
Jan 14
CUZ12:25 pmCusco Velazco Astete
18h 10m
1 stop
BOS6:35 amBoston Logan Intl
$776
Find similar
Avianca
Apr 24
BOS4:50 pmBoston Logan Intl
43h 10m
2 stops
CUZ11:00 amCusco Velazco Astete
May 1
CUZ12:15 pmCusco Velazco Astete
18h 00m
1 stop
BOS7:15 amBoston Logan Intl
$835
Find similar
Avianca
Dec 6
BOS7:55 amBoston Logan Intl
27h 25m
1 stop
CUZ11:20 amCusco Velazco Astete
Dec 12
CUZ12:25 pmCusco Velazco Astete
18h 10m
1 stop
BOS6:35 amBoston Logan Intl
$924
Find similar

LATAM Airlines flights from Boston to Cusco

Our best LATAM Airlines deals on Boston to Cusco flight tickets
LATAM Airlines
Apr 17
BOS7:50 pmBoston Logan Intl
15h 50m
2 stops
CUZ10:40 amCusco Velazco Astete
Apr 26
CUZ8:00 pmCusco Velazco Astete
17h 47m
2 stops
BOS2:47 pmBoston Logan Intl
$765
Find similar
LATAM Airlines
Apr 5
BOS7:50 pmBoston Logan Intl
16h 25m
2 stops
CUZ11:15 amCusco Velazco Astete
Apr 14
CUZ10:00 amCusco Velazco Astete
23h 24m
2 stops
BOS10:24 amBoston Logan Intl
$797
Find similar
LATAM Airlines
Apr 17
BOS4:20 pmBoston Logan Intl
17h 40m
2 stops
CUZ9:00 amCusco Velazco Astete
Apr 25
CUZ4:15 amCusco Velazco Astete
18h 10m
2 stops
BOS11:25 pmBoston Logan Intl
$833
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Cusco 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 November 6, 2025.
Use the filters below to find and compare flights from Boston to Cusco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sat 12/6

5:45 am-6:26 am

2 stops24h 41m

Cusco Velazco Astete

Fri 12/12

12:10 pm-7:06 pm

3 stops30h 56m

$565

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sat 12/6

5:45 am-7:20 am

2 stops25h 35m

Cusco Velazco Astete

Fri 12/12

6:30 pm-7:06 pm

3 stops24h 36m

$567

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sat 12/6

5:45 am-6:26 am

2 stops24h 41m

Cusco Velazco Astete

Fri 12/12

8:30 pm-7:42 pm

2 stops23h 12m

$596

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sat 12/6

3:40 pm-6:30 am

2 stops14h 50m

Cusco Velazco Astete

Fri 12/12

8:30 pm-7:42 pm

2 stops23h 12m

$597

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 4/17

7:50 pm-10:40 am

2 stops15h 50m

Cusco Velazco Astete

Sun 4/26

8:00 pm-2:47 pm

2 stops17h 47m

$765

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 12/31

3:25 pm-11:20 am

2 stops19h 55m

Cusco Velazco Astete

Wed 1/14

12:25 pm-6:35 am

1 stop18h 10m

$776

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sun 4/5

7:50 pm-11:15 am

2 stops16h 25m

Cusco Velazco Astete

Tue 4/14

10:00 am-10:24 am

2 stops23h 24m

$797

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 4/24

4:50 pm-11:00 am

2 stops43h 10m

Cusco Velazco Astete

Fri 5/1

12:15 pm-7:15 am

1 stop18h 00m

$835

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Thu 12/4

3:20 pm-9:10 am

2 stops17h 50m

Cusco Velazco Astete

Sun 12/7

8:10 pm-2:27 pm

2 stops18h 17m

$872

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 4/3

11:00 am-6:24 am

2 stops20h 24m

Cusco Velazco Astete

Sun 4/12

4:17 pm-10:23 am

2 stops17h 06m

$929

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

What is the typical price of a round-trip flight between Boston and Cusco?

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 $837 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 $659 on momondo.

How have Boston to Cusco flight prices changed over time?

As of November 2025, prices for Boston to Cusco flights are approximately 58% 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

Direct flights

None
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 14h 50m.

  • 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?

  • 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?

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
AviancaPriceFrom $419Free CancellationRating
6.6
2,469 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $663Free CancellationRating
7.5
1,874 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $687Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $741Free CancellationRating
7.9
8,002 reviews
Search Delta flights

Traveling to a place near Cusco?

Book flights to Cusco if you plan to visit one of these locations
Machu Picchu
Urubamba
Ollantaytambo

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.

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