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$402+ Cheap flights from St. Louis (STL) to Cusco (CUZ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CUZ
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from St. Louis to Cuzco

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Cuzco (CUZ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$807
(LATAM Airlines)

One-way from

$402
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,086
Provider with most accurate pricing for Lambert-St Louis-Cusco Velazco Astete flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Cusco Velazco Astete flights.
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From Lambert-St Louis to Cusco Velazco Astete
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One-way flight from Lambert-St Louis to Cusco Velazco Astete
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Highest demand for flights based on searches. 31% potential increase in price ($536 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($103 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from St. Louis to Cuzco

Cheapest flights from St. Louis to Cuzco
Explore the most affordable flight options available from St. Louis to Cuzco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This LATAM Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3110:50 amSTL - CUZ
2 stops13h 55mLATAM Airlines
Fri 9/54:15 amCUZ - STL
2 stops19h 24mLATAM Airlines
Deal found 4/29$807
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/25:25 amSTL - CUZ
2 stops25h 59mAmerican Airlines
Tue 7/88:57 pmCUZ - STL
2 stops27h 00mAmerican Airlines
Deal found 4/29$1,021
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/28:40 pmSTL - CUZ
3 stops38h 20mMultiple Airlines
Tue 7/88:57 pmCUZ - STL
3 stops34h 52mMultiple Airlines
Deal found 4/29$1,094

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Cuzco 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, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
Use the filters below to find and compare flights from St. Louis to Cusco that are best for you.

Fly from

St. Louis

Fly to

Cuzco

Route

Depart

Return

Price

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Sun 8/31

10:50 am-12:45 am

2 stops13h 55m

Cusco Velazco Astete

Fri 9/5

4:15 am-11:39 pm

2 stops19h 24m

$807

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Wed 7/2

5:25 am-7:24 am

2 stops25h 59m

Cusco Velazco Astete

Tue 7/8

8:57 pm-11:57 pm

2 stops27h 00m

$1,021

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Wed 7/2

8:40 pm-11:00 am

3 stops38h 20m

Cusco Velazco Astete

Tue 7/8

8:57 pm-7:49 am

3 stops34h 52m

$1,094

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Wed 7/2

5:47 pm-10:55 pm

3 stops29h 08m

$402

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Wed 7/2

10:00 am-11:00 am

2 stops25h 00m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Compare providers for flights from St. Louis to Cuzco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Cuzco in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Cusco flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Cusco flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Cusco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Cusco flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Cusco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Cuzco

Have a flexible travel schedule? Discover the best time to fly to Cuzco from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from St. Louis to Cusco?

Currently, February is the cheapest month in which you can book a flight from St. Louis to Cusco (average of $789). Flying from St. Louis to Cusco in December is currently the most expensive (average of $1,303). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to CUZ?

Find hourly flight availability from St. Louis to Cuzco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

It’s optimal to fly from St. Louis to Cusco in the afternoon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the morning.

Rainfall in Cuzco by month

Plan your trip to Cuzco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cusco ranges from 0.0 - 5.5 inches per month. January is typically the wettest month, when rainfall can reach 5.5 in. May is typically the driest time to visit Cusco when rainfall is around 0.0 in.

Temperature in Cuzco by month

Plan your trip to Cuzco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cusco, use this chart to help with planning. For those seeking warmer temperatures, October is the ideal time of year to visit, when temperatures reach an average of 55.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Cuzco

Get insights into the airlines that provide service to Cuzco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cuzco. Reviews last updated April 30, 2025.
LATAM Airlines
7.5
Good
1,767 reviews

Entertainment

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Boarding

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
LATAM Airlines
7.5
Good
1,767 reviews
LATAM Airlines
7.5
Good
1,767 reviews

Entertainment

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Boarding

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
American Airlines
7.2
Good
10,000 reviews
LATAM Airlines
7.5
Good
1,767 reviews

Entertainment

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Boarding

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
Avianca
6.7
Okay
2,317 reviews
LATAM Airlines
7.5
Good
1,767 reviews

Entertainment

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Boarding

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Cuzco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from St. Louis to Cusco round-trip?

    Our cheapest airline available from St. Louis to Cusco is LATAM Airlines. Our recent data shows that you can find tickets from as low as $807 on this airline. An additional option worth looking into is American Airlines, starting at $1,021. LATAM Airlines is currently priced 31% below the average price you’ll pay for this route.

  • Can I find deals for flights from St. Louis to Cuzco that include hotel bookings?

    Yes. In addition to deals on St. Louis to Cuzco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Cuzco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Cuzco.

  • Can I find deals for business class flights from St. Louis to Cuzco?

    Yes. Cheapflights offers flight deals from St. Louis to Cuzco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Cusco (average of $789). Flying from St. Louis to Cusco in December is currently the most expensive (average of $1,303). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from St. Louis to Cuzco

Discover the top airline that operate flights from St. Louis to Cuzco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$771Average$966FlexibilityNo cancel feeOn-time81%

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