Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Cusco from $300

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 9/17. 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

 Logo
12:00 pm - 10:14 pmBOS-CUZ
35h 14m2 stops
 Logo
10:17 pm - 11:22 pmCUZ-BOS
24h 05m2 stops
Sat, Sep 6 - Sun, Sep 14
Avianca Logo
4:50 pm - 11:00 amBOS-CUZ
19h 10m2 stops
Avianca Logo
12:15 pm - 7:15 amCUZ-BOS
18h 00m1 stop
$636Avianca
Find Deal
Wed, Oct 1 - Wed, Oct 8
 Logo
6:00 am - 7:35 amBOS-CUZ
26h 35m2 stops
 Logo
9:47 pm - 1:23 pmCUZ-BOS
14h 36m2 stops
Sat, Sep 20 - Wed, Oct 1
American Airlines Logo
5:13 am - 6:26 amBOS-CUZ
26h 13m2 stops
American Airlines Logo
8:57 pm - 11:48 amCUZ-BOS
14h 51m2 stops
$668American Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
 Logo
6:00 am - 7:35 amBOS-CUZ
26h 35m2 stops
 Logo
10:42 am - 11:13 amCUZ-BOS
23h 31m3 stops
Sat, Sep 20 - Wed, Oct 1
 Logo
6:05 am - 7:35 amBOS-CUZ
26h 30m3 stops
 Logo
8:57 pm - 2:30 pmCUZ-BOS
16h 33m2 stops
Sat, Aug 16 - Sat, Aug 23
 Logo
6:05 am - 6:40 amBOS-CUZ
25h 35m2 stops
 Logo
10:02 pm - 2:30 pmCUZ-BOS
15h 28m2 stops
Sat, Aug 16 - Sat, Aug 23
LATAM Airlines Logo
3:50 pm - 10:25 amBOS-CUZ
18h 35m2 stops
LATAM Airlines Logo
9:05 pm - 2:39 pmCUZ-BOS
17h 34m2 stops
$757LATAM Airlines
Find Deal
Fri, Nov 7 - Sat, Nov 15
LATAM Airlines Logo
7:50 pm - 5:20 pmBOS-CUZ
21h 30m2 stops
LATAM Airlines Logo
8:15 pm - 2:39 pmCUZ-BOS
18h 24m2 stops
$762LATAM Airlines
Find Deal
Sun, Nov 23 - Fri, Nov 28
American Airlines Logo
4:24 pm - 10:26 amBOS-CUZ
19h 02m2 stops
American Airlines Logo
4:17 pm - 11:48 amCUZ-BOS
19h 31m2 stops
$773American Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3

Avianca flights from Boston to Cusco

Our best Avianca deals on Boston to Cusco flight tickets
Avianca
Oct 1
BOS4:50 pmBoston Logan Intl
19h 10m
2 stops
CUZ11:00 amCusco Velazco Astete
Oct 8
CUZ12:15 pmCusco Velazco Astete
18h 00m
1 stop
BOS7:15 amBoston Logan Intl
Avianca
Sep 20
BOS9:00 amBoston Logan Intl
27h 00m
1 stop
CUZ11:00 amCusco Velazco Astete
Oct 1
CUZ12:15 pmCusco Velazco Astete
49h 40m
2 stops
BOS2:55 pmBoston Logan Intl
Avianca
Oct 1
BOS4:50 pmBoston Logan Intl
19h 10m
2 stops
CUZ11:00 amCusco Velazco Astete
Oct 8
CUZ12:15 pmCusco Velazco Astete
18h 00m
1 stop
BOS7:15 amBoston Logan Intl

American Airlines flights from Boston to Cusco

Our best American Airlines deals on Boston to Cusco flight tickets
American Airlines
Oct 30
BOS5:13 amBoston Logan Intl
26h 13m
2 stops
CUZ6:26 amCusco Velazco Astete
Nov 3
CUZ8:57 pmCusco Velazco Astete
14h 51m
2 stops
BOS11:48 amBoston Logan Intl
American Airlines
Oct 30
BOS4:24 pmBoston Logan Intl
19h 02m
2 stops
CUZ10:26 amCusco Velazco Astete
Nov 3
CUZ4:17 pmCusco Velazco Astete
19h 31m
2 stops
BOS11:48 amBoston Logan Intl
American Airlines
Aug 11
BOS6:15 pmBoston Logan Intl
14h 09m
2 stops
CUZ7:24 amCusco Velazco Astete
Aug 19
CUZ3:47 pmCusco Velazco Astete
19h 08m
2 stops
BOS11:55 amBoston Logan Intl

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, September 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 $686. If you aren’t able to travel to Cusco during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $687.

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 $814 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 $644 on momondo.

How have Boston to Cusco flight prices changed over time?

As of July 2025, prices for Boston to Cusco flights are approximately 22% cheaper 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

Best Price Found

$300

Fastest flight time

14h 09m

Direct flights

None

Airports in Cusco

1 airport
The best one-way flight to Cusco from Boston in the past 72 hours is $300. The best round-trip flight deal from Boston to Cusco found on momondo in the last 72 hours is $586.
The fastest flight from Boston to Cusco takes 14h 09m
There are no direct flights from Boston to Cusco. Popular non-direct route for this connection is Boston Logan Intl Airport - Cusco Velazco Astete Airport.
There is 1 airport near Cusco: Cusco Velazco Astete (CUZ)

  • 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 09m.

  • 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
6.7
2,363 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $642Free CancellationRating
7.5
1,805 reviews
Search LATAM Airlines flights
DeltaPriceFrom $677Free CancellationRating
8.0
7,983 reviews
Search Delta flights
American AirlinesPriceFrom $687Free CancellationRating
7.2
10,000 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
Ollantaytambo
Urubamba

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
Tue 7/8
Tue 7/15

Find better results for your trip to Peru