How do I get Price Alerts for flights from St. Louis to Cusco?

Confirm your travel details to search for the latest offers for flights from St. Louis to Cusco . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from St. Louis to Cusco with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Lambert-St Louis Airport to Cusco Velazco Astete Airport?

Prices for flights from Lambert-St Louis Airport to Cusco Velazco Astete Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Lambert-St Louis Airport to Cusco Velazco Astete Airport?

As of January 2026, there is 1 operator available to choose from for flights from Lambert-St Louis Airport to Cusco Velazco Astete Airport.

How old do you have to be to fly from Lambert-St Louis Airport to Cusco Velazco Astete Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis 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 required for your trip to Cusco Velazco Astete Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cusco Velazco Astete Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$853 Cheap Flights from St. Louis to Cusco in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from St. Louis to Cusco

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:03 am - 5:55 pm

STL

CUZ

34h 52m

2 stops

5:55 pm - 9:05 am

CUZ

STL

39h 10m

2 stops

$853Multiple Airlines

mié., mar. 11 - mié., mar. 18

6:59 pm - 2:50 pm

STL

CUZ

19h 51m

2 stops

12:05 am - 11:58 pm

CUZ

STL

23h 53m

2 stops

$983LATAM Airlines

jue., mar. 19 - vie., mar. 27

4:50 pm - 11:10 am

STL

CUZ

18h 20m

2 stops

5:00 am - 11:34 pm

CUZ

STL

18h 34m

2 stops

$987LATAM Airlines

sáb., abr. 18 - sáb., abr. 25

3:38 pm - 11:25 am

STL

CUZ

19h 47m

3 stops

11:30 am - 10:16 am

CUZ

STL

22h 46m

2 stops

$1,002GOL

sáb., abr. 18 - sáb., abr. 25

6:50 pm - 1:05 pm

STL

CUZ

18h 15m

2 stops

8:25 am - 11:34 pm

CUZ

STL

15h 09m

2 stops

$1,052LATAM Airlines

vie., abr. 17 - vie., abr. 24

12:04 pm - 12:45 am

STL

CUZ

12h 41m

2 stops

9:30 pm - 11:58 pm

CUZ

STL

26h 28m

3 stops

$1,053LATAM Airlines

mar., mar. 24 - vie., abr. 3

4:50 pm - 1:05 pm

STL

CUZ

20h 15m

2 stops

6:50 am - 11:34 pm

CUZ

STL

16h 44m

2 stops

$1,065LATAM Airlines

sáb., abr. 18 - vie., abr. 24

5:30 pm - 5:55 pm

STL

CUZ

24h 25m

2 stops

10:45 pm - 11:37 pm

CUZ

STL

24h 52m

2 stops

$1,078LATAM Airlines

sáb., jul. 11 - lun., jul. 20

6:00 am - 12:45 am

STL

CUZ

18h 45m

2 stops

5:00 am - 8:47 am

CUZ

STL

27h 47m

3 stops

$1,102LATAM Airlines

jue., mar. 19 - sáb., mar. 28

7:05 pm - 11:10 am

STL

CUZ

16h 05m

2 stops

5:00 am - 11:38 pm

CUZ

STL

18h 38m

2 stops

$1,103LATAM Airlines

jue., may. 21 - vie., may. 29

LATAM Airlines flights from St. Louis to Cusco

Our best LATAM Airlines deals on St. Louis to Cusco flight tickets

LATAM Airlines

Mar 19

STL6:59 pmLambert-St Louis

19h 51m

2 stops

CUZ2:50 pmCusco Velazco Astete

Mar 27

CUZ12:05 amCusco Velazco Astete

23h 53m

2 stops

STL11:58 pmLambert-St Louis

$983

LATAM Airlines

Apr 18

STL4:50 pmLambert-St Louis

18h 20m

2 stops

CUZ11:10 amCusco Velazco Astete

Apr 25

CUZ5:00 amCusco Velazco Astete

18h 34m

2 stops

STL11:34 pmLambert-St Louis

$987

LATAM Airlines

Apr 17

STL6:50 pmLambert-St Louis

18h 15m

2 stops

CUZ1:05 pmCusco Velazco Astete

Apr 24

CUZ8:25 amCusco Velazco Astete

15h 09m

2 stops

STL11:34 pmLambert-St Louis

$1,052

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

mié. 3/11

7:03 am-5:55 pm

2 stops34h 52m

Cusco Velazco Astete

mié. 3/18

5:55 pm-9:05 am

2 stops39h 10m

$853

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

jue. 3/19

6:59 pm-2:50 pm

2 stops19h 51m

Cusco Velazco Astete

vie. 3/27

12:05 am-11:58 pm

2 stops23h 53m

$983

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

sáb. 4/18

4:50 pm-11:10 am

2 stops18h 20m

Cusco Velazco Astete

sáb. 4/25

5:00 am-11:34 pm

2 stops18h 34m

$987

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

sáb. 4/18

3:38 pm-11:25 am

3 stops19h 47m

Cusco Velazco Astete

sáb. 4/25

11:30 am-10:16 am

2 stops22h 46m

$1,002

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

vie. 4/17

6:50 pm-1:05 pm

2 stops18h 15m

Cusco Velazco Astete

vie. 4/24

8:25 am-11:34 pm

2 stops15h 09m

$1,052

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

mar. 3/24

12:04 pm-12:45 am

2 stops12h 41m

Cusco Velazco Astete

vie. 4/3

9:30 pm-11:58 pm

3 stops26h 28m

$1,053

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

sáb. 4/18

4:50 pm-1:05 pm

2 stops20h 15m

Cusco Velazco Astete

vie. 4/24

6:50 am-11:34 pm

2 stops16h 44m

$1,065

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

sáb. 7/11

5:30 pm-5:55 pm

2 stops24h 25m

Cusco Velazco Astete

lun. 7/20

10:45 pm-11:37 pm

2 stops24h 52m

$1,078

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

jue. 3/19

6:00 am-12:45 am

2 stops18h 45m

Cusco Velazco Astete

sáb. 3/28

5:00 am-8:47 am

3 stops27h 47m

$1,102

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

jue. 5/21

7:05 pm-11:10 am

2 stops16h 05m

Cusco Velazco Astete

vie. 5/29

5:00 am-11:38 pm

2 stops18h 38m

$1,103

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from St. Louis to Cusco

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Cusco according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Cusco (STL to CUZ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Cusco

Fastest flight time	17h 20m
Direct flights	None

The fastest flight from St. Louis to Cusco takes 17h 20m

There are no direct flights from St. Louis to Cusco. There are no popular flight routes from St. Louis to Cusco.

Search flight deals

How far is Lambert-St Louis to Cusco Velazco Astete by plane?
Cusco Velazco Astete is 3788.9 mi away from Lambert-St Louis. 17h 20m is a normal flight duration for this route.
When did momondo last update prices for flights from Lambert-St Louis Airport to Cusco Velazco Astete Airport?
Prices for flights from Lambert-St Louis Airport to Cusco Velazco Astete Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Cusco Velazco Astete Airport?
As of January 2026, there is 1 operator available to choose from for flights from Lambert-St Louis Airport to Cusco Velazco Astete Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Cusco Velazco Astete Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis 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 required for your trip to Cusco Velazco Astete Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cusco Velazco Astete Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from St. Louis to Cusco?
Based on momondo bookings for flights between St. Louis and Cusco, the leading airline is LATAM Airlines, making up 100% of the total bookings.

Best airlines flying from St. Louis to Cusco

Compare and see reviews for airlines that fly from St. Louis to Cusco with momondo

Airline	Rating	Free Cancellation	Price
LATAM Airlines	PriceFrom $803	Free Cancellation	Rating 7.5 1,912 reviews		Search LATAM Airlines flights

How do I get Price Alerts for flights from St. Louis to Cusco?
Confirm your travel details to search for the latest offers for flights from St. Louis to Cusco. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from St. Louis to Cusco with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Machu Picchu

Urubamba

Ollantaytambo

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Cusco?

Finding the right flight to Cusco from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cusco quick and easy, saving you time and money.

Can I find flights from St. Louis to Cusco with flexible booking policies on momondo?

Yes. All flights to Cusco from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Cusco?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cusco from St. Louis.

I’m not ready to book a flight from St. Louis to Cusco right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Cusco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cusco and let you know when they change.