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Cuzco

$380+ Cheap flights from Boston (BOS) to Cusco (CUZ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CUZ
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Cusco Velazco Astete are usually found in January or September, booked 35 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Boston to Cuzco

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Cuzco (CUZ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$637
(Mytrip)

One-way from

$380
(Avianca)

Popular in

July

Cheapest in

January

Average price

$705
From Boston Logan Intl to Cusco Velazco Astete
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One-way flight from Boston Logan Intl to Cusco Velazco Astete
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Highest demand for flights based on searches. 6% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Boston to Cuzco

Cheapest flights from Boston to Cuzco
Explore the most affordable flight options available from Boston to Cuzco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:16 amBOS - CUZ
2 stops25h 10mMultiple Airlines
Sat 11/19:42 pmCUZ - BOS
2 stops26h 17mMultiple Airlines
Deal found 9/9$637
This Mytrip deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/911:18 amBOS - CUZ
2 stops19h 07mMultiple Airlines
Tue 11/185:07 pmCUZ - BOS
3 stops30h 18mMultiple Airlines
Deal found 9/11$641
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/209:00 amBOS - CUZ
2 stops14h 54mMultiple Airlines
Mon 10/66:57 amCUZ - BOS
2 stops23h 18mMultiple Airlines
Deal found 9/11$650
This Avianca deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:25 pmBOS - CUZ
2 stops19h 55mAvianca
Fri 11/712:25 pmCUZ - BOS
1 stop18h 10mAvianca
Deal found 9/10$768
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:26 pmBOS - CUZ
2 stops16h 34mLATAM Airlines
Fri 11/1412:05 amCUZ - BOS
2 stops22h 57mLATAM Airlines
Deal found 9/10$799
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:40 amBOS - CUZ
2 stops19h 05mLATAM Airlines
Fri 11/1412:05 amCUZ - BOS
2 stops22h 57mLATAM Airlines
Deal found 9/10$816
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:22 pmBOS - CUZ
2 stops15h 38mLATAM Airlines
Fri 11/78:15 pmCUZ - BOS
2 stops19h 22mLATAM Airlines
Deal found 9/10$817

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Cuzco 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Boston to Cusco that are best for you.

Fly from

Boston

Fly to

Cuzco

Route

Depart

Return

Price

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sat 10/25

6:16 am-6:26 am

2 stops25h 10m

Cusco Velazco Astete

Sat 11/1

8:02 am-12:16 pm

3 stops27h 14m

$667

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sun 10/26

4:25 pm-11:20 am

2 stops19h 55m

Cusco Velazco Astete

Fri 11/7

12:25 pm-6:35 am

1 stop18h 10m

$768

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 11/7

4:26 pm-9:00 am

2 stops16h 34m

Cusco Velazco Astete

Sun 11/16

8:15 pm-2:59 pm

2 stops18h 44m

$799

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Mon 11/10

7:10 am-6:15 am

2 stops23h 05m

Cusco Velazco Astete

Sun 11/16

7:50 pm-2:59 pm

2 stops19h 09m

$799

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 11/7

4:26 pm-10:25 am

2 stops17h 59m

Cusco Velazco Astete

Fri 11/14

8:15 pm-11:20 am

2 stops15h 05m

$799

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Thu 11/6

5:40 am-12:45 am

2 stops19h 05m

Cusco Velazco Astete

Sat 11/15

5:05 am-1:22 am

2 stops20h 17m

$816

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sun 11/23

3:59 pm-10:25 am

2 stops18h 26m

Cusco Velazco Astete

Fri 11/28

9:50 am-10:20 am

2 stops24h 30m

$816

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sat 11/8

8:00 am-12:45 am

2 stops16h 45m

Cusco Velazco Astete

Sat 11/15

9:05 pm-2:59 pm

2 stops17h 54m

$816

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 9/17

4:50 pm-11:00 am

2 stops19h 10m

$380

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 9/17

6:13 pm-11:09 am

2 stops17h 56m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 11 results
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Best time to book a flight from Boston to Cuzco

Have a flexible travel schedule? Discover the best time to fly to Cuzco from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Cusco

How far ahead should I book a flight from Boston to Cusco?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Cuzco. Price data was last updated on August 29, 2025.

Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Cusco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Cusco?

Currently, February is the cheapest month in which you can book a flight from Boston to Cusco (average of $789). Flying from Boston to Cusco in December is currently the most expensive (average of $1,346). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to CUZ?

Find hourly flight availability from Boston to Cuzco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 11% on flights from Boston to Cusco by exploring options for tickets in the afternoon.

Reviews of airlines servicing Cuzco

Get insights into the airlines that provide service to Cuzco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cuzco. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and American Airlines from Boston to Cusco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,847 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Avianca
6.7
Okay
2,436 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Boston to Cuzco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Cusco?

    A quick flight from Boston to Cusco can take about 16h 34m. Avianca provides one of the quickest options available for as low as $799. The distance between Boston and Cusco is about 3860 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Boston to Cusco round-trip?

    Flying on Avianca is currently your cheapest option to Cusco, with prices starting at $419. Additional round-trip tickets that might be worth considering are offered by LATAM Airlines and Delta, with the lowest prices starting at $662 and $677, respectively. Users have found that Avianca is 49% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Boston to Cusco one-way?

    To fly one-way, consider booking your trip with Avianca, which is currently one of the cheapest options available, starting at $380. American Airlines flights start at $424 while deals on LATAM Airlines start at $495 one-way.

  • Can I find deals for flights from Boston to Cuzco that include hotel bookings?

    Yes. In addition to deals on Boston to Cuzco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Cuzco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Cuzco.

  • Can I find deals for business class flights from Boston to Cuzco?

    Yes. Cheapflights offers flight deals from Boston to Cuzco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Cusco?

    Currently, February is the cheapest month in which you can book a flight from Boston to Cusco (average of $789). Flying from Boston to Cusco in December is currently the most expensive (average of $1,346). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Boston to Cuzco

Discover the top 4 airlines that operate flights from Boston to Cuzco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$419Average$607FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$662Average$887FlexibilityNo cancel feeOn-time81%
DeltaCheapest$677Average$773FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$687Average$871FlexibilityNo cancel feeOn-time71%

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