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Cheap flights from Boston to Cusco from $278

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.
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0 bags

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Cheap round-trip flights

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LATAM Airlines Logo
3:50 pm - 5:15 pmBOS-CUZ
25h 25m2 stops
LATAM Airlines Logo
8:10 pm - 11:40 amCUZ-BOS
15h 30m2 stops
$635LATAM Airlines
Find Deal
Tue, Feb 3 - Wed, Feb 4
Multiple Airlines Logo
5:40 am - 9:06 amBOS-CUZ
27h 26m2 stops
Multiple Airlines Logo
9:45 pm - 9:37 pmCUZ-BOS
23h 52m2 stops
$681Multiple Airlines
Find Deal
Fri, Feb 27 - Sat, Mar 7
Multiple Airlines Logo
5:40 am - 9:06 amBOS-CUZ
27h 26m2 stops
Multiple Airlines Logo
12:05 am - 9:27 pmCUZ-BOS
21h 22m2 stops
$691Multiple Airlines
Find Deal
Fri, Feb 27 - Fri, Mar 6
Multiple Airlines Logo
5:40 am - 7:20 amBOS-CUZ
26h 40m2 stops
Multiple Airlines Logo
9:02 pm - 4:58 pmCUZ-BOS
18h 56m2 stops
$695Multiple Airlines
Find Deal
Wed, Mar 18 - Sun, Mar 29
Multiple Airlines Logo
4:25 pm - 8:21 pmBOS-CUZ
28h 56m3 stops
Multiple Airlines Logo
5:27 pm - 4:58 pmCUZ-BOS
22h 31m2 stops
$696Multiple Airlines
Find Deal
Wed, Mar 18 - Sun, Mar 29
Multiple Airlines Logo
5:40 am - 9:06 amBOS-CUZ
27h 26m2 stops
Multiple Airlines Logo
12:05 am - 10:37 pmCUZ-BOS
22h 32m3 stops
$698Multiple Airlines
Find Deal
Fri, Feb 27 - Fri, Mar 6
Multiple Airlines Logo
5:40 am - 9:06 amBOS-CUZ
27h 26m2 stops
Multiple Airlines Logo
5:00 am - 10:37 pmCUZ-BOS
17h 37m3 stops
$704Multiple Airlines
Find Deal
Fri, Feb 27 - Sat, Mar 7
Multiple Airlines Logo
4:50 pm - 12:40 amBOS-CUZ
32h 50m3 stops
Multiple Airlines Logo
4:45 pm - 2:55 pmCUZ-BOS
21h 10m2 stops
$725Multiple Airlines
Find Deal
Wed, Apr 29 - Thu, May 14
Multiple Airlines Logo
5:40 am - 7:20 amBOS-CUZ
26h 40m2 stops
Multiple Airlines Logo
4:27 pm - 3:59 pmCUZ-BOS
22h 32m2 stops
$733Multiple Airlines
Find Deal
Wed, Apr 1 - Wed, Apr 8
Multiple Airlines Logo
4:25 pm - 5:20 pmBOS-CUZ
25h 55m2 stops
Multiple Airlines Logo
12:05 am - 2:55 pmCUZ-BOS
37h 50m3 stops
$737Multiple Airlines
Find Deal
Wed, Mar 18 - Sat, Mar 28

LATAM Airlines flights from Boston to Cusco

Our best LATAM Airlines deals on Boston to Cusco flight tickets
LATAM Airlines
Feb 3
BOS3:50 pmBoston Logan Intl
25h 25m
2 stops
CUZ5:15 pmCusco Velazco Astete
Feb 4
CUZ8:10 pmCusco Velazco Astete
15h 30m
2 stops
BOS11:40 amBoston Logan Intl
$635
Find similar
LATAM Airlines
Apr 17
BOS1:55 pmBoston Logan Intl
20h 50m
2 stops
CUZ9:45 amCusco Velazco Astete
Apr 22
CUZ5:00 amCusco Velazco Astete
19h 03m
2 stops
BOS1:03 amBoston Logan Intl
$832
Find similar
LATAM Airlines
Feb 3
BOS5:25 pmBoston Logan Intl
15h 35m
2 stops
CUZ9:00 amCusco Velazco Astete
Feb 4
CUZ7:25 pmCusco Velazco Astete
15h 50m
2 stops
BOS11:15 amBoston Logan Intl
$833
Find similar

Avianca flights from Boston to Cusco

Our best Avianca deals on Boston to Cusco flight tickets
Avianca
Apr 17
BOS4:50 pmBoston Logan Intl
19h 10m
2 stops
CUZ11:00 amCusco Velazco Astete
Apr 22
CUZ12:15 pmCusco Velazco Astete
18h 00m
1 stop
BOS7:15 amBoston Logan Intl
$986
Find similar
Avianca
Dec 4
BOS7:55 amBoston Logan Intl
27h 25m
1 stop
CUZ11:20 amCusco Velazco Astete
Jan 12
CUZ5:10 pmCusco Velazco Astete
13h 25m
1 stop
BOS6:35 amBoston Logan Intl
$1,104
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 24, 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

Tue 2/3

3:50 pm-5:15 pm

2 stops25h 25m

Cusco Velazco Astete

Wed 2/4

8:10 pm-11:40 am

2 stops15h 30m

$635

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 2/27

5:40 am-9:06 am

2 stops27h 26m

Cusco Velazco Astete

Sat 3/7

9:45 pm-9:37 pm

2 stops23h 52m

$681

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 2/27

5:40 am-9:06 am

2 stops27h 26m

Cusco Velazco Astete

Fri 3/6

12:05 am-9:27 pm

2 stops21h 22m

$691

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 3/18

5:40 am-7:20 am

2 stops26h 40m

Cusco Velazco Astete

Sun 3/29

9:02 pm-4:58 pm

2 stops18h 56m

$695

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 3/18

4:25 pm-8:21 pm

3 stops28h 56m

Cusco Velazco Astete

Sun 3/29

5:27 pm-4:58 pm

2 stops22h 31m

$696

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 2/27

5:40 am-9:06 am

2 stops27h 26m

Cusco Velazco Astete

Fri 3/6

12:05 am-10:37 pm

3 stops22h 32m

$698

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 2/27

5:40 am-9:06 am

2 stops27h 26m

Cusco Velazco Astete

Sat 3/7

5:00 am-10:37 pm

3 stops17h 37m

$704

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 4/29

4:50 pm-12:40 am

3 stops32h 50m

Cusco Velazco Astete

Thu 5/14

4:45 pm-2:55 pm

2 stops21h 10m

$725

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 4/1

5:40 am-7:20 am

2 stops26h 40m

Cusco Velazco Astete

Wed 4/8

4:27 pm-3:59 pm

2 stops22h 32m

$733

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 3/18

4:25 pm-5:20 pm

2 stops25h 55m

Cusco Velazco Astete

Sat 3/28

12:05 am-2:55 pm

3 stops37h 50m

$737

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 $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 November 2025, prices for Boston to Cusco flights are approximately 67% 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 15h 25m.

  • 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
2,478 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $663Free CancellationRating
7.5
1,886 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $687Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
DeltaPriceFrom $741Free CancellationRating
7.9
7,993 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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