What is the cheapest airline that flies from Lambert-St Louis to Peru?

LATAM Airlines, Delta, and American Airlines are the most popular carriers operating from Lambert-St Louis to Peru

What airlines fly to Peru?

LATAM Airlines, Delta and American Airlines are the top three most popular airlines that fly to Peru from St. Louis according to our data. LATAM Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Peru. Keep in mind that there are 3 different airlines that fly to Peru on a routine basis, so you have a few additional options to choose from.

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

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

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

The number of operators available for flights from Lambert-St Louis Airport to Peru is 3 as of April 2026.

How old do you have to be to fly from Lambert-St Louis Airport to Peru?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Peru.

What documentation or ID do you need to fly to Peru?

The travel and health documents you'll need for your trip to Peru may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Peru. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$439 Cheap Flights from St. Louis to Peru in 2026

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Find the cheapest flights from St. Louis to Peru

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 9:35 pm

STL

LIM

15h 35m

2 stops

8:55 am - 11:37 pm

LIM

STL

14h 42m

2 stops

$739Delta

Thu, Aug 13 - Wed, Aug 19

5:19 pm - 5:00 am

STL

LIM

11h 41m

1 stop

1:30 pm - 9:43 am

LIM

STL

20h 13m

2 stops

$744Delta

Tue, Jul 14 - Mon, Jul 20

5:33 am - 10:15 pm

STL

LIM

16h 42m

1 stop

11:45 pm - 11:12 pm

LIM

STL

23h 27m

1 stop

$751American Airlines

Thu, Sep 10 - Mon, Sep 21

6:00 am - 11:55 pm

STL

LIM

17h 55m

1 stop

10:05 am - 8:47 am

LIM

STL

46h 42m

2 stops

$753Multiple Airlines

Wed, May 13 - Mon, Jun 8

10:49 am - 9:55 pm

STL

LIM

11h 06m

1 stop

12:05 pm - 11:59 pm

LIM

STL

11h 54m

1 stop

$757LATAM Airlines

Wed, May 27 - Wed, Jun 3

7:12 pm - 9:35 pm

STL

LIM

26h 23m

2 stops

8:55 am - 8:16 am

LIM

STL

23h 21m

2 stops

$765LATAM Airlines

Sun, Jun 14 - Tue, Jun 23

6:00 am - 8:15 am

STL

LIM

26h 15m

2 stops

12:10 am - 11:56 pm

LIM

STL

23h 46m

2 stops

$768LATAM Airlines

Wed, May 13 - Sun, Jun 7

9:24 am - 8:05 am

STL

LIM

22h 41m

2 stops

8:55 am - 11:37 pm

LIM

STL

14h 42m

2 stops

$769Delta

Sun, Aug 9 - Wed, Aug 19

11:48 am - 3:55 pm

STL

CUZ

28h 07m

2 stops

10:50 pm - 10:58 am

CUZ

STL

36h 08m

2 stops

$1,058American Airlines

Mon, Aug 10 - Sun, Aug 16

6:08 pm - 6:26 am

STL

CUZ

12h 18m

2 stops

11:02 pm - 11:15 pm

CUZ

STL

24h 13m

2 stops

$1,092GOL

Thu, Oct 8 - Thu, Oct 15

LATAM Airlines flights from St. Louis to Peru

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

LATAM Airlines

May 27

STL10:49 amLambert-St Louis

11h 06m

1 stop

LIM9:55 pmLima J Chavez Intl

Jun 3

LIM12:05 pmLima J Chavez Intl

11h 54m

1 stop

STL11:59 pmLambert-St Louis

$757

LATAM Airlines

Jun 14

STL7:12 pmLambert-St Louis

26h 23m

2 stops

LIM9:35 pmLima J Chavez Intl

Jun 23

LIM8:55 amLima J Chavez Intl

23h 21m

2 stops

STL8:16 amLambert-St Louis

$765

LATAM Airlines

Jun 14

STL7:12 pmLambert-St Louis

25h 08m

2 stops

LIM8:20 pmLima J Chavez Intl

Jun 23

LIM8:55 amLima J Chavez Intl

24h 51m

2 stops

STL9:46 amLambert-St Louis

$774

Delta flights from St. Louis to Peru

Our best Delta deals on St. Louis to Peru flight tickets

Delta

Aug 13

STL6:00 amLambert-St Louis

14h 20m

2 stops

LIM8:20 pmLima J Chavez Intl

Aug 17

LIM8:55 amLima J Chavez Intl

14h 42m

2 stops

STL11:37 pmLambert-St Louis

$739

Delta

Aug 11

STL7:20 amLambert-St Louis

14h 20m

2 stops

LIM9:40 pmLima J Chavez Intl

Aug 17

LIM8:15 amLima J Chavez Intl

15h 22m

2 stops

STL11:37 pmLambert-St Louis

$744

Delta

Aug 9

STL9:24 amLambert-St Louis

22h 41m

2 stops

LIM8:05 amLima J Chavez Intl

Aug 19

LIM8:55 amLima J Chavez Intl

14h 42m

2 stops

STL11:37 pmLambert-St Louis

$769

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Thu 8/13

6:00 am-9:35 pm

2 stops15h 35m

Lima J Chavez Intl

Wed 8/19

8:55 am-11:37 pm

2 stops14h 42m

$739

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Tue 7/14

5:19 pm-5:00 am

1 stop11h 41m

Lima J Chavez Intl

Mon 7/20

1:30 pm-9:43 am

2 stops20h 13m

$744

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Thu 9/10

5:33 am-10:15 pm

1 stop16h 42m

Lima J Chavez Intl

Mon 9/21

11:45 pm-11:12 pm

1 stop23h 27m

$751

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Wed 5/13

6:00 am-11:55 pm

1 stop17h 55m

Lima J Chavez Intl

Mon 6/8

10:05 am-8:47 am

2 stops46h 42m

$753

Quickest round-trip

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Wed 5/27

10:49 am-9:55 pm

1 stop11h 06m

Lima J Chavez Intl

Wed 6/3

12:05 pm-11:59 pm

1 stop11h 54m

$757

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sun 6/14

7:12 pm-9:35 pm

2 stops26h 23m

Lima J Chavez Intl

Tue 6/23

8:55 am-8:16 am

2 stops23h 21m

$765

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Wed 5/13

6:00 am-8:15 am

2 stops26h 15m

Lima J Chavez Intl

Sun 6/7

12:10 am-11:56 pm

2 stops23h 46m

$768

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sun 8/9

9:24 am-8:05 am

2 stops22h 41m

Lima J Chavez Intl

Wed 8/19

8:55 am-11:37 pm

2 stops14h 42m

$769

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Mon 8/10

11:48 am-3:55 pm

2 stops28h 07m

Cusco Velazco Astete

Sun 8/16

10:50 pm-10:58 am

2 stops36h 08m

$1,058

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Thu 10/8

6:08 pm-6:26 am

2 stops12h 18m

Cusco Velazco Astete

Thu 10/15

11:02 pm-11:15 pm

2 stops24h 13m

$1,092

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 Peru

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 Peru?

In general, February is the cheapest month to fly from St. Louis to Peru. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $664. If you’re not able to fly to Peru in February, then January is your next best option. Flight prices from St. Louis to Peru during January average around $709.

How far in advance should I book a flight to Peru?

You are more likely to see cheaper flights to Peru from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Peru for around $816 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Peru from St. Louis for as low as $665 on momondo.

Can stopping save me money on St. Louis to Peru flights?

You could potentially save up to 25% on your flight if you consider stops on a St. Louis to Peru flight.

Cheap St. Louis to Peru flight deals and tips

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

Fastest flight time	10h 02m
Direct flights	None

The fastest flight from St. Louis to Peru takes 10h 02m

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

Search flight deals

Frequently asked questions about flying from St. Louis to Peru

When did momondo last update prices for flights from Lambert-St Louis Airport to Peru?
Prices for flights from Lambert-St Louis Airport to Peru are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Peru?
The number of operators available for flights from Lambert-St Louis Airport to Peru is 3 as of April 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Peru?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Peru.
What documentation or ID do you need to fly to Peru?
The travel and health documents you'll need for your trip to Peru may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Peru. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Peru

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $572	Free Cancellation	Rating 7.9 8,408 reviews	Search Delta flights
LATAM Airlines	PriceFrom $650	Free Cancellation	Rating 7.4 1,910 reviews	Search LATAM Airlines flights
American Airlines	PriceFrom $668	Free Cancellation	Rating 7.1 11,572 reviews	Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Peru. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for St. Louis to Peru flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Peru.

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

Price alerts on flights to Peru from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.