Cheap flights from Boston to Cusco from $350

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 7/7. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:20 am - 7:50 am
BOS
-
CUZ
21h 30m
2 stops
Multiple Airlines Logo
9:45 pm - 10:37 pm
CUZ
-
BOS
24h 52m
2 stops
$736Multiple Airlines
Sun, Nov 8 - Thu, Nov 19
Multiple Airlines Logo
4:50 pm - 8:30 pm
BOS
-
CUZ
28h 40m
2 stops
Multiple Airlines Logo
6:50 am - 7:10 am
CUZ
-
BOS
23h 20m
2 stops
$738Multiple Airlines
Mon, Sep 7 - Mon, Sep 14
Multiple Airlines Logo
4:50 pm - 10:26 pm
BOS
-
CUZ
30h 36m
2 stops
Multiple Airlines Logo
7:02 am - 2:50 pm
CUZ
-
BOS
30h 48m
2 stops
$745Multiple Airlines
Wed, Oct 21 - Sun, Oct 25
Multiple Airlines Logo
4:50 pm - 7:50 pm
BOS
-
CUZ
28h 00m
2 stops
Multiple Airlines Logo
6:50 am - 7:10 am
CUZ
-
BOS
23h 20m
2 stops
$756Multiple Airlines
Wed, Sep 2 - Mon, Sep 14
Multiple Airlines Logo
3:20 pm - 7:50 am
BOS
-
CUZ
16h 30m
2 stops
Multiple Airlines Logo
9:45 pm - 10:37 pm
CUZ
-
BOS
24h 52m
2 stops
$759Multiple Airlines
Sun, Nov 8 - Thu, Nov 19
Multiple Airlines Logo
8:45 am - 9:20 pm
BOS
-
CUZ
37h 35m
2 stops
Multiple Airlines Logo
9:55 pm - 6:50 am
CUZ
-
BOS
31h 55m
2 stops
$763Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
LATAM Airlines Logo
7:20 am - 6:35 am
BOS
-
CUZ
24h 15m
2 stops
LATAM Airlines Logo
8:35 am - 1:17 am
CUZ
-
BOS
15h 42m
2 stops
$773LATAM Airlines
Sat, Sep 5 - Tue, Sep 15
Multiple Airlines Logo
3:20 pm - 7:50 am
BOS
-
CUZ
16h 30m
2 stops
Multiple Airlines Logo
9:45 pm - 10:37 pm
CUZ
-
BOS
24h 52m
2 stops
$781Multiple Airlines
Sun, Nov 8 - Thu, Nov 19
Multiple Airlines Logo
3:20 pm - 5:20 pm
BOS
-
CUZ
27h 00m
2 stops
Multiple Airlines Logo
6:10 pm - 2:40 pm
CUZ
-
BOS
19h 30m
2 stops
$787Multiple Airlines
Fri, Sep 25 - Fri, Oct 2
Multiple Airlines Logo
8:10 pm - 10:00 am
BOS
-
CUZ
14h 50m
2 stops
Multiple Airlines Logo
5:00 am - 11:23 pm
CUZ
-
BOS
18h 23m
2 stops
$788Multiple Airlines
Tue, Oct 20 - Thu, Nov 26

Avianca flights from Boston to Cusco

Our best Avianca deals on Boston to Cusco flight tickets
Avianca
Aug 29
BOS4:50 pmBoston Logan Intl
19h 30m
2 stops
CUZ11:20 amCusco Velazco Astete
Sep 8
CUZ5:10 pmCusco Velazco Astete
20h 40m
2 stops
BOS2:50 pmBoston Logan Intl
$828
Avianca
Jun 18
BOS8:45 amBoston Logan Intl
27h 35m
1 stop
CUZ11:20 amCusco Velazco Astete
Jun 23
CUZ5:10 pmCusco Velazco Astete
20h 40m
2 stops
BOS2:50 pmBoston Logan Intl
$838
Avianca
Aug 29
BOS8:45 amBoston Logan Intl
27h 35m
1 stop
CUZ11:20 amCusco Velazco Astete
Sep 8
CUZ5:10 pmCusco Velazco Astete
20h 40m
2 stops
BOS2:50 pmBoston Logan Intl
$845

GOL flights from Boston to Cusco

Our best GOL deals on Boston to Cusco flight tickets
GOL
Sep 18
BOS6:15 pmBoston Logan Intl
17h 00m
2 stops
CUZ10:15 amCusco Velazco Astete
Sep 28
CUZ8:25 pmCusco Velazco Astete
20h 00m
2 stops
BOS5:25 pmBoston Logan Intl
$831
GOL
Oct 19
BOS5:04 pmBoston Logan Intl
14h 22m
2 stops
CUZ6:26 amCusco Velazco Astete
Nov 19
CUZ5:07 pmCusco Velazco Astete
18h 22m
2 stops
BOS11:29 amBoston Logan Intl
$837
GOL
Jun 15
BOS5:01 amBoston Logan Intl
26h 24m
2 stops
CUZ6:25 amCusco Velazco Astete
Jul 1
CUZ10:00 pmCusco Velazco Astete
37h 03m
3 stops
BOS12:03 pmBoston Logan Intl
$853

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 June 4, 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

Cheapest round-trip

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sun 11/8

10:20 am-7:50 am

2 stops21h 30m

Cusco Velazco Astete

Thu 11/19

9:45 pm-10:37 pm

2 stops24h 52m

$736

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Mon 9/7

4:50 pm-8:30 pm

2 stops28h 40m

Cusco Velazco Astete

Mon 9/14

6:50 am-7:10 am

2 stops23h 20m

$738

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 10/21

4:50 pm-10:26 pm

2 stops30h 36m

Cusco Velazco Astete

Sun 10/25

7:02 am-2:50 pm

2 stops30h 48m

$745

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 9/2

4:50 pm-7:50 pm

2 stops28h 00m

Cusco Velazco Astete

Mon 9/14

6:50 am-7:10 am

2 stops23h 20m

$756

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sun 11/8

3:20 pm-7:50 am

2 stops16h 30m

Cusco Velazco Astete

Thu 11/19

9:45 pm-10:37 pm

2 stops24h 52m

$759

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Thu 9/10

8:45 am-9:20 pm

2 stops37h 35m

Cusco Velazco Astete

Thu 9/17

9:55 pm-6:50 am

2 stops31h 55m

$763

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sat 9/5

7:20 am-6:35 am

2 stops24h 15m

Cusco Velazco Astete

Tue 9/15

8:35 am-1:17 am

2 stops15h 42m

$773

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sun 11/8

3:20 pm-7:50 am

2 stops16h 30m

Cusco Velazco Astete

Thu 11/19

9:45 pm-10:37 pm

2 stops24h 52m

$781

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 9/25

3:20 pm-5:20 pm

2 stops27h 00m

Cusco Velazco Astete

Fri 10/2

6:10 pm-2:40 pm

2 stops19h 30m

$787
Quickest round-trip

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Tue 10/20

8:10 pm-10:00 am

2 stops14h 50m

Cusco Velazco Astete

Thu 11/26

5:00 am-11:23 pm

2 stops18h 23m

$788

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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 $659. If you aren’t able to travel to Cusco during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $691.

How far in advance should I book a flight from Boston 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 $852 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 $689 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

15h 38m

Direct flights

None
The fastest flight from Boston to Cusco takes 15h 38m
There are no direct flights from Boston to Cusco. There are no popular flight routes from Boston to Cusco.

Frequently asked questions about flying 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 15h 38m.

  • 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
LATAM AirlinesPriceFrom $447Free CancellationRating
7.4
1,919 reviews
Search LATAM Airlines flights
AviancaPriceFrom $543Free CancellationRating
6.5
2,530 reviews
Search Avianca flights
American AirlinesPriceFrom $738Free CancellationRating
7.1
11,646 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.

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1 adult
Sat 7/4
Sat 7/11

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