STL - CUZ

$962 Find Cheap Flights from St. Louis to Cusco

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Cusco departing on 3/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Cusco

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Cusco, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Cusco, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$962
LATAM Airlines
Tue 3/17Tue 3/24
STL - CUZ • 2 stops
Cheapest one-way
Multiple Airlines
Sun 2/1
STL - CUZ • multi-stop
Top airlines
LATAM Airlines
Cheapest • from $962 (round-trip)
LATAM Airlines
Best reviews • 7.5 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from St. Louis to Cusco (STL-CUZ)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Cusco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Cusco

Tue, Mar 17 - Tue, Mar 24
LATAM Airlines Logo
6:59 pm - 9:00 am
STL
-
CUZ
14h 01m
2 stops
LATAM Airlines Logo
6:50 pm - 11:09 am
CUZ
-
STL
16h 19m
2 stops
$962LATAM Airlines
Tue, Mar 24 - Fri, Apr 3
American Airlines Logo
11:22 am - 6:26 am
STL
-
CUZ
19h 04m
2 stops
American Airlines Logo
10:25 pm - 5:40 pm
CUZ
-
STL
19h 15m
2 stops
$983American Airlines
Thu, Mar 19 - Sat, Mar 28
LATAM Airlines Logo
7:03 am - 12:45 am
STL
-
CUZ
17h 42m
2 stops
LATAM Airlines Logo
5:00 am - 11:58 pm
CUZ
-
STL
18h 58m
2 stops
$995LATAM Airlines
Mon, Apr 6 - Fri, Apr 10
Multiple Airlines Logo
4:05 pm - 12:40 am
STL
-
CUZ
32h 35m
3 stops
Multiple Airlines Logo
6:50 am - 3:24 pm
CUZ
-
STL
32h 34m
3 stops
$1,023Multiple Airlines
Tue, Mar 24 - Fri, Apr 3
LATAM Airlines Logo
6:00 am - 11:30 pm
STL
-
CUZ
17h 30m
3 stops
LATAM Airlines Logo
8:25 am - 11:58 pm
CUZ
-
STL
15h 33m
2 stops
$1,045LATAM Airlines
Tue, Mar 24 - Fri, Apr 3
LATAM Airlines Logo
10:12 am - 12:45 am
STL
-
CUZ
14h 33m
3 stops
LATAM Airlines Logo
8:25 am - 11:58 pm
CUZ
-
STL
15h 33m
2 stops
$1,058LATAM Airlines
Thu, Mar 19 - Sat, Mar 28
LATAM Airlines Logo
7:03 am - 12:45 am
STL
-
CUZ
17h 42m
3 stops
LATAM Airlines Logo
5:00 am - 8:47 am
CUZ
-
STL
27h 47m
2 stops
$1,073LATAM Airlines
Mon, Feb 23 - Thu, Feb 26
LATAM Airlines Logo
11:55 am - 12:35 pm
STL
-
CUZ
23h 40m
2 stops
LATAM Airlines Logo
6:50 am - 11:36 pm
CUZ
-
STL
17h 46m
2 stops
$1,187LATAM Airlines
Mon, Feb 23 - Thu, Feb 26
LATAM Airlines Logo
10:13 am - 10:05 am
STL
-
CUZ
22h 52m
2 stops
LATAM Airlines Logo
6:50 am - 11:36 pm
CUZ
-
STL
17h 46m
2 stops
$1,189LATAM Airlines
Mon, Apr 6 - Fri, Apr 10
Multiple Airlines Logo
4:05 pm - 11:20 am
STL
-
CUZ
19h 15m
2 stops
Multiple Airlines Logo
7:30 am - 3:24 pm
CUZ
-
STL
31h 54m
3 stops
$1,195Multiple Airlines
Booking Insights

KAYAK's insights & trends for St. Louis to Cusco flights

Get data-powered insights and trends into flights from St. Louis to Cusco to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from St. Louis to Cusco?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from St. Louis to Cusco were found on LATAM Airlines ($962) and American Airlines ($983).

Good to know

Low seasonDecember
Cheapest flight$962
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly with an average 1% increase in price.
Flight from St. Louis to Cusco

When to book flights from St. Louis to Cusco

Are your dates flexible? Find out the best times to travel from St. Louis to Cusco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Cusco

  • What is the cheapest flight from St. Louis to Cusco?

    In the last 3 days, the lowest price for a flight from St. Louis to Cusco was $962 for a round-trip ticket.

  • Do I need a passport to fly between St. Louis and Cusco?

    Yes

  • Which aircraft models fly most regularly from St. Louis to Cusco?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from St. Louis to Cusco?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Cusco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Cusco?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cusco from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Cusco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Cusco with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and CUZ can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Cusco?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Cusco from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from St. Louis to Cusco

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Cusco. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to Cusco? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.5
LATAM AirlinesOverall score based on 1917 reviews
6.7Food
8.0Crew
7.5Boarding
7.3Comfort
7.0Entertainment
Airline reviews

On board crew was very good. Crew was friendly, snacks were good, especially the chips. Seats seemed a bit cramped. Boarding seemed unorganized, as we were instructed to get to the gate an hour early and then just stood around until boarding.

8.0 ExcellentRandy, Jan 2026
MDE - LIM
Read more LATAM Airlines reviews

On board crew was very good. Crew was friendly, snacks were good, especially the chips. Seats seemed a bit cramped. Boarding seemed unorganized, as we were instructed to get to the gate an hour early and then just stood around until boarding.

We were not allowed to carry a bottle of water onto the 8 hour flight.

There was a mechanical issue with the plane that they had to work on before we could take off. That's fine, by all means, PLEASE make sure the mechanics are functioning properly. What was a problem was the fact that we sat on the tarmac for 4.5 hours without moving, without letting us off the plane, and without climate control and air running through the plane. There was no explanation as to what was going on; they just kept promising that it would be "15 minutes, then we are on our way." At one point, they even switched the entire crew out and told everyone we just needed to wait for new employees to show up. Then, as the 4 hours were not moving, an hour before the full refund, they made a big show about "the flight starting and the doors are locked, so you have to sit down." We didn't move for another 40 minutes; they were just trying to skirt around legalities that entitled us to restitution. When the flight finally was underway, the plane was gigantic but cramped in design, my entertainment screen kept freezing and glitching, and subtitles didn't work, and the crew was passive-aggressive. Terrible flight.

LATAM’s crews are fine, but God help you if you need any customer service. Their app and website never work, with error after error. Trying to solve anything over the phone is painful, and lastly, the boarding pass LATAM gave me to board the flight with Delta was invalid and I had to purchase an emergency one-way ticket at the last minute to get home.

We traveled with two young children, and it was not possible for our family to be seated together. No one offered help or assistance to organize seating so we could sit with our kids. In the end, we managed to find two seats in Economy so I could at least sit with one of them, even though I had originally paid for Comfort+. In summary, I had to downgrade my seat just to be able to sit with one of my children, which was very disappointing

I booked a flight through Kayak to Brazil I have traveled to Brazil several times before Kayak Delta or LATAM never mentioned during the booking or in the pre flight process that the visa requirements to visit Brazil have changed earlier this year. I was unaware of this change and as such never got a visa and was unable to fly from JFK to Sao Paulo Add to this that Delta allowed me to fly from Boston to JFK which they should not have as I didn’t have a visa. It has been a terrible experience and a huge loss of money

Latam may be the worst airline in the world, far worse than even the lowest of low cost airlines in the USA. I wasted hours trying to PAY THEM TO CHECK A BAG! Then they misled me at the terminal, sent me through the wrong security line, the list goes on and on... Just absolutely terrible in every way. Avoid at all costs.

we were missing our luggage, trying to find someone to have any empathy was pretty much not happening....

Really bad experience – delayed for 6 hours without any notice, no food or drinks provided, and stuck in the horrible Cartagena airport.

The flight was late. Please do not delay next time.

Everything you need to know for your flight from St. Louis to Cusco

Information on your arrival and departure airports