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

American Airlines is the most popular carrier 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 December 2025, there are 2 operators 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.

$393 Cheap Flights from St. Louis to Cusco in 2025/26

Q: What is the typical price of a round-trip flight between St. Louis and Cusco?

Prices are currently typical for flights on this route. Typical prices usually range from $809 to $961. The lowest price recently found on this route was $935.

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Find the cheapest flights from St. Louis to Cusco

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One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:22 pm - 4:26 pm

STL

CUZ

25h 04m2 stops

4:42 pm - 5:31 pm

CUZ

STL

24h 49m2 stops

$935American Airlines

lun., mar. 30 - lun., abr. 6

6:20 pm - 7:26 am

STL

CUZ

37h 06m2 stops

4:27 pm - 9:16 am

CUZ

STL

16h 49m2 stops

$948American Airlines

dom., mar. 29 - mié., abr. 8

6:00 am - 12:45 am

STL

CUZ

18h 45m2 stops

8:25 am - 11:42 pm

CUZ

STL

15h 17m2 stops

$953LATAM Airlines

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

5:00 pm - 10:45 am

STL

CUZ

17h 45m2 stops

6:10 pm - 11:36 am

CUZ

STL

17h 26m2 stops

$957LATAM Airlines

mié., abr. 1 - mié., abr. 8

11:06 am - 6:26 am

STL

CUZ

19h 20m2 stops

4:27 pm - 9:16 am

CUZ

STL

16h 49m2 stops

$961American Airlines

sáb., mar. 28 - mié., abr. 8

6:20 pm - 7:19 am

STL

CUZ

12h 59m2 stops

4:42 pm - 9:16 am

CUZ

STL

16h 34m2 stops

$966American Airlines

jue., abr. 2 - lun., abr. 6

6:20 pm - 7:26 am

STL

CUZ

37h 06m2 stops

8:02 am - 10:32 am

CUZ

STL

26h 30m2 stops

$974American Airlines

dom., mar. 29 - dom., abr. 5

5:00 am - 6:24 am

STL

CUZ

25h 24m2 stops

4:27 pm - 9:16 am

CUZ

STL

16h 49m2 stops

$986American Airlines

vie., abr. 3 - mié., abr. 8

11:06 am - 6:26 am

STL

CUZ

19h 20m2 stops

5:17 pm - 9:16 am

CUZ

STL

15h 59m2 stops

$987American Airlines

sáb., mar. 28 - vie., abr. 10

6:20 pm - 7:26 am

STL

CUZ

37h 06m2 stops

10:17 pm - 5:30 pm

CUZ

STL

19h 13m2 stops

$1,000American Airlines

dom., mar. 29 - sáb., abr. 4

LATAM Airlines flights from St. Louis to Cusco

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

LATAM Airlines

Mar 24

STL6:00 amLambert-St Louis

18h 45m

2 stops

CUZ12:45 amCusco Velazco Astete

Apr 3

CUZ8:25 amCusco Velazco Astete

15h 17m

2 stops

STL11:42 pmLambert-St Louis

$953

Find similar

LATAM Airlines

Apr 1

STL5:00 pmLambert-St Louis

17h 45m

2 stops

CUZ10:45 amCusco Velazco Astete

Apr 8

CUZ6:10 pmCusco Velazco Astete

17h 26m

2 stops

STL11:36 amLambert-St Louis

$957

Find similar

LATAM Airlines

Mar 28

STL5:00 pmLambert-St Louis

19h 10m

2 stops

CUZ12:10 pmCusco Velazco Astete

Apr 8

CUZ2:50 pmCusco Velazco Astete

20h 46m

2 stops

STL11:36 amLambert-St Louis

$1,014

Find similar

American Airlines flights from St. Louis to Cusco

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

American Airlines

Mar 30

STL3:22 pmLambert-St Louis

25h 04m

2 stops

CUZ4:26 pmCusco Velazco Astete

Apr 6

CUZ4:42 pmCusco Velazco Astete

24h 49m

2 stops

STL5:31 pmLambert-St Louis

$935

Find similar

American Airlines

Mar 29

STL6:20 pmLambert-St Louis

37h 06m

2 stops

CUZ7:26 amCusco Velazco Astete

Apr 9

CUZ5:17 pmCusco Velazco Astete

15h 59m

2 stops

STL9:16 amLambert-St Louis

$948

Find similar

American Airlines

Mar 28

STL11:06 amLambert-St Louis

19h 20m

2 stops

CUZ6:26 amCusco Velazco Astete

Apr 7

CUZ4:42 pmCusco Velazco Astete

16h 34m

2 stops

STL9:16 amLambert-St Louis

$961

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

lun. 3/30

3:22 pm-4:26 pm

2 stops25h 04m

Cusco Velazco Astete

lun. 4/6

4:42 pm-5:31 pm

2 stops24h 49m

$935

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

dom. 3/29

6:20 pm-7:26 am

2 stops37h 06m

Cusco Velazco Astete

mié. 4/8

4:27 pm-9:16 am

2 stops16h 49m

$948

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

mar. 3/24

6:00 am-12:45 am

2 stops18h 45m

Cusco Velazco Astete

vie. 4/3

8:25 am-11:42 pm

2 stops15h 17m

$953

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

mié. 4/1

5:00 pm-10:45 am

2 stops17h 45m

Cusco Velazco Astete

mié. 4/8

6:10 pm-11:36 am

2 stops17h 26m

$957

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

sáb. 3/28

11:06 am-6:26 am

2 stops19h 20m

Cusco Velazco Astete

mié. 4/8

4:27 pm-9:16 am

2 stops16h 49m

$961

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

jue. 4/2

6:20 pm-7:19 am

2 stops12h 59m

Cusco Velazco Astete

lun. 4/6

4:42 pm-9:16 am

2 stops16h 34m

$966

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

dom. 3/29

6:20 pm-7:26 am

2 stops37h 06m

Cusco Velazco Astete

dom. 4/5

8:02 am-10:32 am

2 stops26h 30m

$974

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

vie. 4/3

5:00 am-6:24 am

2 stops25h 24m

Cusco Velazco Astete

mié. 4/8

4:27 pm-9:16 am

2 stops16h 49m

$986

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

sáb. 3/28

11:06 am-6:26 am

2 stops19h 20m

Cusco Velazco Astete

vie. 4/10

5:17 pm-9:16 am

2 stops15h 59m

$987

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

dom. 3/29

6:20 pm-7:26 am

2 stops37h 06m

Cusco Velazco Astete

sáb. 4/4

10:17 pm-5:30 pm

2 stops19h 13m

$1,000

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 typical price of a round-trip flight between St. Louis and Cusco?

What is the cheapest day to depart on your flight to Cusco?

The cheapest day to depart from St. Louis to Cusco is on a Monday when prices can be found for as low as $826. The most expensive day to fly to Cusco is Thursday, with ticket prices averaging around $1,185.

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 evening. momondo users have found flights departing from St. Louis to Cusco in the evening for as low as $971. 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 $1,186.

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	13h 46m
Direct flights	None

The fastest flight from St. Louis to Cusco takes 13h 46m

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. 12h 59m 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 December 2025, there are 2 operators 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 84% of the total bookings. Other popular airlines include Delta with 16%.

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
Delta	PriceFrom $733	Free Cancellation	Rating 7.9 8,011 reviews		Search Delta flights
LATAM Airlines	PriceFrom $798	Free Cancellation	Rating 7.5 1,889 reviews		Search LATAM Airlines flights

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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.