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Cheap flights from Boston to Cusco from $241

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 2/17. 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

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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 - 12:16 pm
BOS
-
CUZ
30h 42m2 stops
Multiple Airlines Logo
11:02 am - 4:28 pm
CUZ
-
BOS
29h 26m2 stops
$484Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
5:34 am - 7:26 am
BOS
-
CUZ
25h 52m2 stops
Multiple Airlines Logo
12:10 pm - 11:19 pm
CUZ
-
BOS
35h 09m3 stops
$543Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
5:40 am - 6:24 am
BOS
-
CUZ
25h 44m2 stops
Multiple Airlines Logo
11:57 am - 5:34 pm
CUZ
-
BOS
28h 37m3 stops
$569Multiple Airlines
Tue, May 12 - Mon, May 18
Multiple Airlines Logo
5:40 am - 6:24 am
BOS
-
CUZ
25h 44m2 stops
Multiple Airlines Logo
4:42 pm - 5:34 pm
CUZ
-
BOS
23h 52m3 stops
$575Multiple Airlines
Wed, May 13 - Tue, May 19
Multiple Airlines Logo
5:34 am - 7:20 am
BOS
-
CUZ
25h 46m2 stops
Multiple Airlines Logo
9:42 pm - 10:37 pm
CUZ
-
BOS
24h 55m2 stops
$578Multiple Airlines
Sat, Jan 31 - Sat, Feb 7
Multiple Airlines Logo
5:34 am - 6:31 am
BOS
-
CUZ
24h 57m2 stops
Multiple Airlines Logo
9:42 pm - 9:32 am
CUZ
-
BOS
35h 50m3 stops
$582Multiple Airlines
Sat, Jan 31 - Sat, Feb 7
Multiple Airlines Logo
3:40 pm - 12:16 pm
BOS
-
CUZ
20h 36m3 stops
Multiple Airlines Logo
11:02 am - 11:19 pm
CUZ
-
BOS
36h 17m3 stops
$584Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
5:40 am - 7:15 pm
BOS
-
CUZ
38h 35m3 stops
Multiple Airlines Logo
11:57 am - 5:34 pm
CUZ
-
BOS
28h 37m3 stops
$630Multiple Airlines
Tue, May 12 - Mon, May 18
Multiple Airlines Logo
6:55 pm - 11:25 am
BOS
-
CUZ
16h 30m2 stops
Multiple Airlines Logo
6:35 pm - 7:42 pm
CUZ
-
BOS
25h 07m2 stops
$642Multiple Airlines
Tue, Jan 27 - Tue, Feb 10
Multiple Airlines Logo
4:50 pm - 4:09 pm
BOS
-
CUZ
24h 19m3 stops
Multiple Airlines Logo
4:42 pm - 5:34 pm
CUZ
-
BOS
23h 52m3 stops
$644Multiple Airlines
Wed, May 13 - Tue, May 19

Delta flights from Boston to Cusco

Our best Delta deals on Boston to Cusco flight tickets
Delta
Jan 10
BOS7:00 amBoston Logan Intl
17h 45m
2 stops
CUZ12:45 amCusco Velazco Astete
Feb 15
CUZ6:50 amCusco Velazco Astete
18h 19m
2 stops
BOS1:09 amBoston Logan Intl
$851
Find similar
Delta
Jan 5
BOS6:55 amBoston Logan Intl
17h 50m
2 stops
CUZ12:45 amCusco Velazco Astete
Feb 15
CUZ6:50 amCusco Velazco Astete
18h 19m
2 stops
BOS1:09 amBoston Logan Intl
$942
Find similar
Delta
Jan 4
BOS12:18 pmBoston Logan Intl
36h 27m
2 stops
CUZ12:45 amCusco Velazco Astete
Feb 20
CUZ7:35 amCusco Velazco Astete
17h 34m
2 stops
BOS1:09 amBoston Logan Intl
$955
Find similar

LATAM Airlines flights from Boston to Cusco

Our best LATAM Airlines deals on Boston to Cusco flight tickets
LATAM Airlines
Jan 8
BOS3:30 pmBoston Logan Intl
17h 30m
2 stops
CUZ9:00 amCusco Velazco Astete
Feb 18
CUZ6:50 amCusco Velazco Astete
18h 19m
2 stops
BOS1:09 amBoston Logan Intl
$799
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
Mar 15
BOS5:35 amBoston Logan Intl
20h 10m
2 stops
CUZ12:45 amCusco Velazco Astete
Mar 28
CUZ11:20 pmCusco Velazco Astete
22h 41m
2 stops
BOS11:01 pmBoston Logan Intl
$832
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 18, 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

Fri 1/30

5:34 am-12:16 pm

2 stops30h 42m

Cusco Velazco Astete

Fri 2/6

11:02 am-4:28 pm

2 stops29h 26m

$484

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 1/30

5:34 am-7:26 am

2 stops25h 52m

Cusco Velazco Astete

Fri 2/6

12:10 pm-11:19 pm

3 stops35h 09m

$543

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Tue 5/12

5:40 am-6:24 am

2 stops25h 44m

Cusco Velazco Astete

Mon 5/18

11:57 am-5:34 pm

3 stops28h 37m

$569

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 5/13

5:40 am-6:24 am

2 stops25h 44m

Cusco Velazco Astete

Tue 5/19

4:42 pm-5:34 pm

3 stops23h 52m

$575

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sat 1/31

5:34 am-7:20 am

2 stops25h 46m

Cusco Velazco Astete

Sat 2/7

9:42 pm-10:37 pm

2 stops24h 55m

$578

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Sat 1/31

5:34 am-6:31 am

2 stops24h 57m

Cusco Velazco Astete

Sat 2/7

9:42 pm-9:32 am

3 stops35h 50m

$582

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Fri 1/30

3:40 pm-12:16 pm

3 stops20h 36m

Cusco Velazco Astete

Fri 2/6

11:02 am-11:19 pm

3 stops36h 17m

$584

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Tue 5/12

5:40 am-7:15 pm

3 stops38h 35m

Cusco Velazco Astete

Mon 5/18

11:57 am-5:34 pm

3 stops28h 37m

$630

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Tue 1/27

6:55 pm-11:25 am

2 stops16h 30m

Cusco Velazco Astete

Tue 2/10

6:35 pm-7:42 pm

2 stops25h 07m

$642

BostonCusco

BOS - CUZ

BOSCUZ

Boston Logan Intl

Wed 5/13

4:50 pm-4:09 pm

3 stops24h 19m

Cusco Velazco Astete

Tue 5/19

4:42 pm-5:34 pm

3 stops23h 52m

$644

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 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

23h 30m

Direct flights

None
The fastest flight from Boston to Cusco takes 23h 30m
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 23h 30m.

  • 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
2,488 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $663Free CancellationRating
7.5
1,891 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $687Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
DeltaPriceFrom $771Free CancellationRating
7.9
8,006 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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