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Cheap flights from Boston to Cusco from $232

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 2/18. 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

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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
5:34 am - 7:20 am
BOS
-
CUZ
25h 46m2 stops
Multiple Airlines Logo
11:35 am - 4:28 pm
CUZ
-
BOS
28h 53m2 stops
$457Multiple Airlines
Wed, Jan 28 - Wed, Feb 4
Multiple Airlines Logo
5:34 am - 6:25 am
BOS
-
CUZ
24h 51m2 stops
Multiple Airlines Logo
12:52 pm - 11:19 pm
CUZ
-
BOS
34h 27m3 stops
$489Multiple Airlines
Wed, Jan 28 - Wed, Feb 4
Multiple Airlines Logo
5:34 am - 9:15 pm
BOS
-
CUZ
39h 41m2 stops
Multiple Airlines Logo
7:00 pm - 4:28 pm
CUZ
-
BOS
21h 28m2 stops
$551Multiple Airlines
Fri, Jan 9 - Fri, Jan 16
Multiple Airlines Logo
6:15 am - 6:25 am
BOS
-
CUZ
24h 10m3 stops
Multiple Airlines Logo
6:35 pm - 11:19 pm
CUZ
-
BOS
28h 44m3 stops
$582Multiple Airlines
Wed, Jan 28 - Wed, Feb 4
Multiple Airlines Logo
5:23 pm - 9:15 pm
BOS
-
CUZ
27h 52m2 stops
Multiple Airlines Logo
7:00 pm - 11:19 pm
CUZ
-
BOS
28h 19m3 stops
$658Multiple Airlines
Fri, Jan 9 - Fri, Jan 16
Multiple Airlines Logo
1:00 pm - 5:10 pm
BOS
-
CUZ
29h 10m2 stops
Multiple Airlines Logo
11:55 am - 3:52 pm
CUZ
-
BOS
26h 57m2 stops
$689Multiple Airlines
Tue, Mar 24 - Wed, Apr 8
Multiple Airlines Logo
5:40 am - 10:19 am
BOS
-
CUZ
29h 39m2 stops
Multiple Airlines Logo
11:57 am - 11:14 pm
CUZ
-
BOS
34h 17m3 stops
$718Multiple Airlines
Mon, May 18 - Mon, May 25
Multiple Airlines Logo
10:45 am - 5:10 pm
BOS
-
CUZ
31h 25m2 stops
Multiple Airlines Logo
5:02 pm - 3:52 pm
CUZ
-
BOS
21h 50m2 stops
$730Multiple Airlines
Tue, Mar 17 - Tue, Mar 31
Multiple Airlines Logo
3:35 pm - 5:10 pm
BOS
-
CUZ
26h 35m3 stops
Multiple Airlines Logo
5:02 pm - 3:52 pm
CUZ
-
BOS
21h 50m2 stops
$734Multiple Airlines
Tue, Mar 17 - Tue, Mar 31
Multiple Airlines Logo
3:35 pm - 5:10 pm
BOS
-
CUZ
26h 35m3 stops
Multiple Airlines Logo
4:37 pm - 12:07 am
CUZ
-
BOS
30h 30m3 stops
$742Multiple Airlines
Tue, Mar 17 - Tue, Mar 31

LATAM Airlines flights from Boston to Cusco

Our best LATAM Airlines deals on Boston to Cusco flight tickets
LATAM Airlines
Apr 12
BOS11:10 amBoston Logan Intl
20h 25m
2 stops
CUZ6:35 amCusco Velazco Astete
Apr 22
CUZ7:30 amCusco Velazco Astete
16h 33m
2 stops
BOS1:03 amBoston Logan Intl
$798
Find similar
LATAM Airlines
Jan 25
BOS6:55 amBoston Logan Intl
34h 20m
2 stops
CUZ5:15 pmCusco Velazco Astete
Jan 29
CUZ8:10 pmCusco Velazco Astete
15h 30m
2 stops
BOS11:40 amBoston Logan Intl
$810
Find similar
LATAM Airlines
May 24
BOS7:00 amBoston Logan Intl
24h 10m
2 stops
CUZ6:10 amCusco Velazco Astete
Jun 6
CUZ7:50 pmCusco Velazco Astete
17h 57m
2 stops
BOS2:47 pmBoston Logan Intl
$815
Find similar

Avianca flights from Boston to Cusco

Our best Avianca deals on Boston to Cusco flight tickets
Avianca
May 18
BOS4:50 pmBoston Logan Intl
19h 10m
2 stops
CUZ11:00 amCusco Velazco Astete
May 25
CUZ4:45 pmCusco Velazco Astete
13h 30m
1 stop
BOS7:15 amBoston Logan Intl
$786
Find similar
Avianca
Dec 20
BOS7:55 amBoston Logan Intl
27h 25m
1 stop
CUZ11:20 amCusco Velazco Astete
Dec 23
CUZ5:10 pmCusco Velazco Astete
20h 40m
2 stops
BOS1:50 pmBoston Logan Intl
$1,689
Find similar
Avianca
Dec 20
BOS7:55 amBoston Logan Intl
27h 25m
1 stop
CUZ11:20 amCusco Velazco Astete
Dec 23
CUZ5:10 pmCusco Velazco Astete
20h 40m
2 stops
BOS1:50 pmBoston Logan Intl
$1,821
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 December 16, 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

Wed 1/28

5:34 am-7:20 am

2 stops25h 46m

Cusco Velazco Astete

Wed 2/4

11:35 am-4:28 pm

2 stops28h 53m

$457

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 1/28

5:34 am-6:25 am

2 stops24h 51m

Cusco Velazco Astete

Wed 2/4

12:52 pm-11:19 pm

3 stops34h 27m

$489

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 1/9

5:34 am-9:15 pm

2 stops39h 41m

Cusco Velazco Astete

Fri 1/16

7:00 pm-4:28 pm

2 stops21h 28m

$551

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 1/28

6:15 am-6:25 am

3 stops24h 10m

Cusco Velazco Astete

Wed 2/4

6:35 pm-11:19 pm

3 stops28h 44m

$582

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 1/9

5:23 pm-9:15 pm

2 stops27h 52m

Cusco Velazco Astete

Fri 1/16

7:00 pm-11:19 pm

3 stops28h 19m

$658

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Tue 3/24

1:00 pm-5:10 pm

2 stops29h 10m

Cusco Velazco Astete

Wed 4/8

11:55 am-3:52 pm

2 stops26h 57m

$689

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Mon 5/18

5:40 am-10:19 am

2 stops29h 39m

Cusco Velazco Astete

Mon 5/25

11:57 am-11:14 pm

3 stops34h 17m

$718

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Tue 3/17

10:45 am-5:10 pm

2 stops31h 25m

Cusco Velazco Astete

Tue 3/31

5:02 pm-3:52 pm

2 stops21h 50m

$730

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Tue 3/17

3:35 pm-5:10 pm

3 stops26h 35m

Cusco Velazco Astete

Tue 3/31

5:02 pm-3:52 pm

2 stops21h 50m

$734

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Tue 3/17

3:35 pm-5:10 pm

3 stops26h 35m

Cusco Velazco Astete

Tue 3/31

4:37 pm-12:07 am

3 stops30h 30m

$742

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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 $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 $921 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 December 2025, prices for Boston to Cusco flights are approximately 27% 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

Fastest flight time

19h 23m

Direct flights

None
The fastest flight from Boston to Cusco takes 19h 23m
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 19h 23m.

  • 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 $468Free CancellationRating
6.6
2,487 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $663Free CancellationRating
7.5
1,891 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $687Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
DeltaPriceFrom $771Free CancellationRating
7.9
8,008 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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