What is the cheapest airline that flies from Lambert-St Louis to Cusco Velazco Astete?

American Airlines and LATAM Airlines are the most popular carriers operating from Lambert-St Louis to Cusco Velazco Astete

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 July 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.

$639 Cheap Flights from St. Louis to Cusco in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:00 am - 1:00 am

STL

CUZ

19h 00m

2 stops

10:05 pm - 11:42 pm

CUZ

STL

25h 37m

2 stops

$1,137LATAM Airlines

Sat, Sep 26 - Sat, Oct 3

6:54 pm - 1:00 am

STL

CUZ

30h 06m

2 stops

10:05 pm - 11:42 pm

CUZ

STL

25h 37m

2 stops

$1,205LATAM Airlines

Fri, Sep 25 - Sun, Oct 4

12:00 pm - 9:30 am

STL

CUZ

20h 30m

2 stops

8:10 pm - 10:51 am

CUZ

STL

15h 41m

2 stops

$1,221LATAM Airlines

Sun, Nov 1 - Thu, Nov 5

12:00 pm - 9:00 am

STL

CUZ

20h 00m

2 stops

3:35 pm - 9:17 am

CUZ

STL

18h 42m

2 stops

$1,221LATAM Airlines

Sun, Nov 1 - Thu, Nov 5

2:25 pm - 8:00 am

STL

CUZ

16h 35m

2 stops

4:15 pm - 9:17 am

CUZ

STL

18h 02m

2 stops

$1,221LATAM Airlines

Sun, Nov 1 - Thu, Nov 5

2:11 pm - 7:50 am

STL

CUZ

17h 39m

2 stops

4:30 pm - 2:30 pm

CUZ

STL

22h 00m

3 stops

$1,238GOL

Fri, Sep 25 - Sun, Oct 4

2:40 pm - 1:00 am

STL

CUZ

34h 20m

3 stops

6:55 am - 6:41 pm

CUZ

STL

35h 46m

3 stops

$1,504Multiple Airlines

Sat, Sep 26 - Sat, Oct 3

12:10 pm - 11:20 am

STL

CUZ

23h 10m

2 stops

6:55 am - 6:41 pm

CUZ

STL

35h 46m

3 stops

$1,711Multiple Airlines

Sat, Sep 26 - Sat, Oct 3

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LATAM Airlines flights from St. Louis to Cusco

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

LATAM Airlines

Sep 26

STL6:00 amLambert-St Louis

19h 00m

2 stops

CUZ1:00 amCusco Velazco Astete

Oct 3

CUZ10:05 pmCusco Velazco Astete

25h 37m

2 stops

STL11:42 pmLambert-St Louis

$1,137

LATAM Airlines

Sep 25

STL6:54 pmLambert-St Louis

30h 06m

2 stops

CUZ1:00 amCusco Velazco Astete

Oct 4

CUZ10:05 pmCusco Velazco Astete

25h 37m

2 stops

STL11:42 pmLambert-St Louis

$1,205

LATAM Airlines

Nov 1

STL2:25 pmLambert-St Louis

16h 35m

2 stops

CUZ8:00 amCusco Velazco Astete

Nov 5

CUZ4:15 pmCusco Velazco Astete

18h 02m

2 stops

STL9:17 amLambert-St Louis

$1,221

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Sat 9/26

6:00 am-1:00 am

2 stops19h 00m

Cusco Velazco Astete

Sat 10/3

10:05 pm-11:42 pm

2 stops25h 37m

$1,137

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Fri 9/25

6:54 pm-1:00 am

2 stops30h 06m

Cusco Velazco Astete

Sun 10/4

10:05 pm-11:42 pm

2 stops25h 37m

$1,205

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Sun 11/1

12:00 pm-9:30 am

2 stops20h 30m

Cusco Velazco Astete

Thu 11/5

8:10 pm-10:51 am

2 stops15h 41m

$1,221

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Sun 11/1

12:00 pm-9:00 am

2 stops20h 00m

Cusco Velazco Astete

Thu 11/5

3:35 pm-9:17 am

2 stops18h 42m

$1,221

Quickest round-trip

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Sun 11/1

2:25 pm-8:00 am

2 stops16h 35m

Cusco Velazco Astete

Thu 11/5

4:15 pm-9:17 am

2 stops18h 02m

$1,221

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Fri 9/25

2:11 pm-7:50 am

2 stops17h 39m

Cusco Velazco Astete

Sun 10/4

4:30 pm-2:30 pm

3 stops22h 00m

$1,238

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Sat 9/26

2:40 pm-1:00 am

3 stops34h 20m

Cusco Velazco Astete

Sat 10/3

6:55 am-6:41 pm

3 stops35h 46m

$1,504

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Sat 9/26

12:10 pm-11:20 am

2 stops23h 10m

Cusco Velazco Astete

Sat 10/3

6:55 am-6:41 pm

3 stops35h 46m

$1,711

Cheapest one-way

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Mon 8/24

7:58 pm-4:55 pm

3 stops44h 57m

$333

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Mon 8/24

11:35 am-6:25 am

2 stops18h 50m

$625

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis 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

Prices

Airlines

What is the cheapest month to fly to Cusco?

In general, June is the cheapest month to fly from St. Louis to Cusco. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Cusco during the month of June, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $0.

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	20h 30m
Direct flights	None

The fastest flight from St. Louis to Cusco takes 20h 30m

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

Search flight deals

Frequently asked questions about flying from St. Louis to Cusco

How far is Lambert-St Louis to Cusco Velazco Astete by plane?
Cusco Velazco Astete is 3788.9 mi away from Lambert-St Louis. 20h 30m 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 July 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 $962	Free Cancellation	Rating 7.4 1,968 reviews		Search LATAM Airlines flights

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.