Cheap flights from Boston to Cusco from $348

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 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 Cusco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:27 am - 6:25 am
BOS
-
CUZ
25h 58m
2 stops
Multiple Airlines Logo
8:57 pm - 1:55 pm
CUZ
-
BOS
15h 58m
2 stops
$604Multiple Airlines
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
6:15 am - 6:25 am
BOS
-
CUZ
25h 10m
3 stops
Multiple Airlines Logo
9:32 pm - 1:55 pm
CUZ
-
BOS
15h 23m
2 stops
$615Multiple Airlines
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
6:01 am - 6:15 am
BOS
-
CUZ
25h 14m
2 stops
Multiple Airlines Logo
9:10 pm - 1:55 pm
CUZ
-
BOS
15h 45m
2 stops
$646Multiple Airlines
Fri, Mar 27 - Fri, Apr 3
Multiple Airlines Logo
5:45 am - 7:20 am
BOS
-
CUZ
26h 35m
2 stops
Multiple Airlines Logo
11:05 am - 4:54 pm
CUZ
-
BOS
28h 49m
3 stops
$647Multiple Airlines
Thu, Mar 12 - Mon, Mar 16
Multiple Airlines Logo
8:55 am - 7:20 am
BOS
-
CUZ
23h 25m
2 stops
Multiple Airlines Logo
11:05 am - 7:35 am
CUZ
-
BOS
19h 30m
2 stops
$655Multiple Airlines
Thu, Mar 12 - Mon, Mar 16
Multiple Airlines Logo
5:50 pm - 8:26 pm
BOS
-
CUZ
26h 36m
2 stops
Multiple Airlines Logo
9:37 pm - 2:50 pm
CUZ
-
BOS
16h 13m
2 stops
$663Multiple Airlines
Sat, Mar 7 - Sat, Mar 14
Multiple Airlines Logo
6:15 am - 5:55 pm
BOS
-
CUZ
35h 40m
2 stops
Multiple Airlines Logo
8:57 pm - 11:59 pm
CUZ
-
BOS
27h 02m
2 stops
$667Multiple Airlines
Fri, Feb 27 - Thu, Mar 5
Multiple Airlines Logo
6:01 am - 7:20 am
BOS
-
CUZ
26h 19m
3 stops
Multiple Airlines Logo
9:45 pm - 11:59 pm
CUZ
-
BOS
25h 14m
3 stops
$668Multiple Airlines
Thu, Mar 12 - Mon, Mar 16
Multiple Airlines Logo
8:45 am - 12:40 am
BOS
-
CUZ
16h 55m
2 stops
Multiple Airlines Logo
10:20 pm - 7:10 am
CUZ
-
BOS
31h 50m
2 stops
$677Multiple Airlines
Thu, Apr 16 - Sun, Apr 26
Multiple Airlines Logo
6:15 am - 11:20 am
BOS
-
CUZ
29h 05m
2 stops
Multiple Airlines Logo
5:07 pm - 6:56 pm
CUZ
-
BOS
25h 49m
3 stops
$678Multiple Airlines
Fri, Feb 27 - Thu, Mar 5

Avianca flights from Boston to Cusco

Our best Avianca deals on Boston to Cusco flight tickets
Avianca
Feb 19
BOS7:55 amBoston Logan Intl
27h 25m
1 stop
CUZ11:20 amCusco Velazco Astete
Mar 4
CUZ12:25 pmCusco Velazco Astete
18h 10m
1 stop
BOS6:35 amBoston Logan Intl
$767
Avianca
May 29
BOS4:50 pmBoston Logan Intl
19h 30m
2 stops
CUZ11:20 amCusco Velazco Astete
Jun 3
CUZ5:10 pmCusco Velazco Astete
13h 00m
1 stop
BOS7:10 amBoston Logan Intl
$768
Avianca
Apr 15
BOS4:50 pmBoston Logan Intl
19h 30m
2 stops
CUZ11:20 amCusco Velazco Astete
Apr 22
CUZ5:10 pmCusco Velazco Astete
13h 00m
1 stop
BOS7:10 amBoston Logan Intl
$778

LATAM Airlines flights from Boston to Cusco

Our best LATAM Airlines deals on Boston to Cusco flight tickets
LATAM Airlines
Feb 23
BOS5:25 pmBoston Logan Intl
19h 30m
2 stops
CUZ12:55 pmCusco Velazco Astete
Feb 25
CUZ8:10 pmCusco Velazco Astete
18h 45m
2 stops
BOS2:55 pmBoston Logan Intl
$798
LATAM Airlines
Feb 23
BOS3:35 pmBoston Logan Intl
18h 30m
2 stops
CUZ10:05 amCusco Velazco Astete
Feb 25
CUZ8:10 pmCusco Velazco Astete
18h 45m
2 stops
BOS2:55 pmBoston Logan Intl
$843
LATAM Airlines
Mar 20
BOS8:59 pmBoston Logan Intl
27h 31m
2 stops
CUZ11:30 pmCusco Velazco Astete
Mar 28
CUZ10:40 pmCusco Velazco Astete
31h 35m
2 stops
BOS7:15 amBoston Logan Intl
$885

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 February 12, 2026.
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

Wed 3/11

5:27 am-6:25 am

2 stops25h 58m

Cusco Velazco Astete

Wed 3/18

8:57 pm-1:55 pm

2 stops15h 58m

$604

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 3/11

6:15 am-6:25 am

3 stops25h 10m

Cusco Velazco Astete

Wed 3/18

9:32 pm-1:55 pm

2 stops15h 23m

$615

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 3/27

6:01 am-6:15 am

2 stops25h 14m

Cusco Velazco Astete

Fri 4/3

9:10 pm-1:55 pm

2 stops15h 45m

$646

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Thu 3/12

5:45 am-7:20 am

2 stops26h 35m

Cusco Velazco Astete

Mon 3/16

11:05 am-4:54 pm

3 stops28h 49m

$647

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Thu 3/12

8:55 am-7:20 am

2 stops23h 25m

Cusco Velazco Astete

Mon 3/16

11:05 am-7:35 am

2 stops19h 30m

$655

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sat 3/7

5:50 pm-8:26 pm

2 stops26h 36m

Cusco Velazco Astete

Sat 3/14

9:37 pm-2:50 pm

2 stops16h 13m

$663

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 2/27

6:15 am-5:55 pm

2 stops35h 40m

Cusco Velazco Astete

Thu 3/5

8:57 pm-11:59 pm

2 stops27h 02m

$667

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Thu 3/12

6:01 am-7:20 am

3 stops26h 19m

Cusco Velazco Astete

Mon 3/16

9:45 pm-11:59 pm

3 stops25h 14m

$668

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Thu 4/16

8:45 am-12:40 am

2 stops16h 55m

Cusco Velazco Astete

Sun 4/26

10:20 pm-7:10 am

2 stops31h 50m

$677

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 2/27

6:15 am-11:20 am

2 stops29h 05m

Cusco Velazco Astete

Thu 3/5

5:07 pm-6:56 pm

3 stops25h 49m

$678

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Cusco from

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 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 $543. 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 $716.

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 $907 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 $517 on momondo.

How have Boston to Cusco flight prices changed over time?

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

19h 30m

Direct flights

None
The fastest flight from Boston to Cusco takes 19h 30m
There are no direct flights from Boston to Cusco. There are no popular flight routes from Boston to Cusco.
  • 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 19h 30m.

  • 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 $469Free CancellationRating
6.5
2,496 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $659Free CancellationRating
7.5
1,921 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $773Free CancellationRating
7.2
11,272 reviews
Search American Airlines 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.

An easier way to manage your Cusco 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
Sat 3/14
Sat 3/21

Find better results for your trip to Peru