What airlines fly to Peru?

Delta, LATAM Airlines and American Airlines are the top three most popular airlines that fly to Peru from St. Louis according to our data. Delta is the first choice among our users, with 37% 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 October 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.

$360 Cheap Flights from St. Louis to Peru in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

9:00 am - 5:00 amSTL Lambert-St Louis-LIM Lima J Chavez Intl

19h 00m1 stop Atlanta Hartsfield-Jackson

12:10 pm - 11:39 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

12h 29m1 stop Atlanta Hartsfield-Jackson

$740LATAM Airlines

Mon, Jan 18 - Tue, Feb 16

11:51 am - 5:00 amSTL Lambert-St Louis-LIM Lima J Chavez Intl

16h 09m1 stop Atlanta Hartsfield-Jackson

12:15 am - 6:01 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

18h 46m2 stops Miami Atlanta Hartsfield-Jackson

$761LATAM Airlines

Mon, Jan 18 - Mon, Feb 15

6:59 pm - 6:30 pmSTL Lambert-St Louis-LIM Lima J Chavez Intl

22h 31m2 stops Atlanta Hartsfield-Jackson Miami

12:10 pm - 11:39 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

12h 29m1 stop Atlanta Hartsfield-Jackson

$775LATAM Airlines

Wed, Jan 6 - Wed, Jan 20

4:05 pm - 10:40 amSTL Lambert-St Louis-LIM Lima J Chavez Intl

17h 35m2 stops Toronto Pearson Intl Bogotá El Dorado

8:00 am - 3:26 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

32h 26m1 stop Toronto Pearson Intl

$810Air Canada

Mon, Jan 25 - Fri, Feb 5

4:05 pm - 6:10 amSTL Lambert-St Louis-LIM Lima J Chavez Intl

13h 05m1 stop Toronto Pearson Intl

8:00 am - 3:26 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

32h 26m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$818Air Canada

Thu, Jan 21 - Mon, Jan 25

4:05 pm - 6:10 amSTL Lambert-St Louis-LIM Lima J Chavez Intl

13h 05m1 stop Toronto Pearson Intl

8:00 am - 3:26 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

32h 26m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$818Air Canada

Thu, Jan 14 - Thu, Jan 21

6:00 am - 7:25 pmSTL Lambert-St Louis-LIM Lima J Chavez Intl

12h 25m2 stops Atlanta Hartsfield-Jackson Bogotá El Dorado

12:15 am - 6:01 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

17h 46m2 stops Bogotá El Dorado Atlanta Hartsfield-Jackson

$836Delta

Wed, Mar 10 - Mon, Mar 22

6:08 pm - 5:12 amSTL Lambert-St Louis-LIM Lima J Chavez Intl

10h 04m1 stop Miami

10:55 pm - 5:26 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

19h 31m1 stop Miami

$836American Airlines

Thu, Jan 14 - Thu, Jan 21

5:02 am - 11:26 pmSTL Lambert-St Louis-LIM Lima J Chavez Intl

17h 24m1 stop Miami

7:00 am - 9:50 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

15h 50m1 stop Miami

$836American Airlines

Mon, Nov 9 - Sun, Nov 22

9:00 am - 5:00 amSTL Lambert-St Louis-LIM Lima J Chavez Intl

19h 00m1 stop Atlanta Hartsfield-Jackson

11:40 pm - 6:01 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

18h 21m1 stop Atlanta Hartsfield-Jackson

$856Delta

Wed, Mar 10 - Thu, Mar 25

Cheap last minute flights

Enter your travel dates to find the best prices.

6:35 pm - 5:01 amSTL Lambert-St Louis-LIM Lima J Chavez Intl

34h 26m3 stops Atlanta Hartsfield-Jackson Miami Mexico City Benito Juarez

6:55 am - 3:23 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

32h 28m1 stop Toronto Pearson Intl

$979Multiple Airlines

Wed, Oct 21 - Fri, Oct 30

12:00 pm - 9:55 pmSTL Lambert-St Louis-LIM Lima J Chavez Intl

9h 55m1 stop Atlanta Hartsfield-Jackson

12:10 pm - 11:54 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

11h 44m1 stop Atlanta Hartsfield-Jackson

$1,008LATAM Airlines

Wed, Oct 21 - Fri, Oct 30

6:00 am - 9:55 pmSTL Lambert-St Louis-LIM Lima J Chavez Intl

15h 55m1 stop Atlanta Hartsfield-Jackson

12:10 pm - 11:54 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

11h 44m1 stop Atlanta Hartsfield-Jackson

$1,008LATAM Airlines

Wed, Oct 21 - Fri, Oct 30

6:35 pm - 5:01 amSTL Lambert-St Louis-LIM Lima J Chavez Intl

34h 26m3 stops Atlanta Hartsfield-Jackson Miami Mexico City Benito Juarez

10:45 am - 3:23 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

28h 38m2 stops Punta Cana Toronto Pearson Intl

$1,028Multiple Airlines

Wed, Oct 21 - Fri, Oct 30

5:35 pm - 10:00 pmSTL Lambert-St Louis-LIM Lima J Chavez Intl

28h 25m2 stops Atlanta Hartsfield-Jackson Miami

12:10 pm - 11:54 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

11h 44m1 stop Atlanta Hartsfield-Jackson

$1,031LATAM Airlines

Wed, Oct 21 - Fri, Oct 30

7:20 pm - 10:00 pmSTL Lambert-St Louis-LIM Lima J Chavez Intl

26h 40m2 stops Atlanta Hartsfield-Jackson Miami

12:10 pm - 11:54 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

11h 44m1 stop Atlanta Hartsfield-Jackson

$1,031LATAM Airlines

Wed, Oct 21 - Fri, Oct 30

7:20 pm - 10:00 pmSTL Lambert-St Louis-LIM Lima J Chavez Intl

26h 40m2 stops Atlanta Hartsfield-Jackson Miami

12:15 am - 11:54 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

23h 39m2 stops Miami Atlanta Hartsfield-Jackson

$1,042LATAM Airlines

Wed, Oct 21 - Thu, Oct 29

6:35 pm - 5:01 amSTL Lambert-St Louis-LIM Lima J Chavez Intl

34h 26m3 stops Atlanta Hartsfield-Jackson Miami Mexico City Benito Juarez

10:45 am - 3:23 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

28h 38m2 stops Punta Cana Toronto Pearson Intl

$1,146Multiple Airlines

Wed, Oct 21 - Fri, Oct 30

6:35 pm - 5:01 amSTL Lambert-St Louis-LIM Lima J Chavez Intl

34h 26m3 stops Atlanta Hartsfield-Jackson Miami Mexico City Benito Juarez

10:45 am - 3:23 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

28h 38m3 stops Punta Cana Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$1,149Multiple Airlines

Wed, Oct 21 - Fri, Oct 30

6:35 pm - 5:01 amSTL Lambert-St Louis-LIM Lima J Chavez Intl

34h 26m3 stops Atlanta Hartsfield-Jackson Miami Mexico City Benito Juarez

10:45 am - 11:16 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

36h 31m3 stops Punta Cana Toronto Pearson Intl Orlando

$1,167Multiple Airlines

Wed, Oct 21 - Fri, Oct 30

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American Airlines flights from St. Louis to Peru

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

American Airlines

Jan 6

STL7:21 amLambert-St Louis

13h 13m

2 stops

LIM9:34 pmLima J Chavez Intl

Jan 20

LIM10:55 pmLima J Chavez Intl

15h 35m

2 stops

STL1:30 pmLambert-St Louis

$840

American Airlines

Nov 9

STL10:38 amLambert-St Louis

9h 54m

1 stop

LIM9:32 pmLima J Chavez Intl

Nov 21

LIM12:45 amLima J Chavez Intl

22h 05m

1 stop

STL9:50 pmLambert-St Louis

$849

American Airlines

Nov 28

STL6:31 amLambert-St Louis

14h 01m

2 stops

LIM9:32 pmLima J Chavez Intl

Dec 5

LIM10:55 pmLima J Chavez Intl

15h 18m

2 stops

STL1:13 pmLambert-St Louis

$890

LATAM Airlines flights from St. Louis to Peru

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

LATAM Airlines

Jan 18

STL9:00 amLambert-St Louis

19h 00m

1 stop

LIM5:00 amLima J Chavez Intl

Feb 16

LIM12:10 pmLima J Chavez Intl

12h 29m

1 stop

STL11:39 pmLambert-St Louis

$740

LATAM Airlines

Jan 18

STL11:51 amLambert-St Louis

16h 09m

1 stop

LIM5:00 amLima J Chavez Intl

Feb 15

LIM12:15 amLima J Chavez Intl

18h 46m

2 stops

STL6:01 pmLambert-St Louis

$761

LATAM Airlines

Jan 6

STL6:59 pmLambert-St Louis

22h 31m

2 stops

LIM6:30 pmLima J Chavez Intl

Jan 20

LIM12:10 pmLima J Chavez Intl

12h 29m

1 stop

STL11:39 pmLambert-St Louis

$775

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisLima

STL Lambert-St Louis - LIM Lima J Chavez Intl

STLLIM

Lambert-St Louis

Mon 1/18

9:00 am-5:00 am

1 stop19h 00m

Lima J Chavez Intl

Tue 2/16

12:10 pm-11:39 pm

1 stop12h 29m

$740

St. LouisLima

STL Lambert-St Louis - LIM Lima J Chavez Intl

STLLIM

Lambert-St Louis

Mon 1/18

11:51 am-5:00 am

1 stop16h 09m

Lima J Chavez Intl

Mon 2/15

12:15 am-6:01 pm

2 stops18h 46m

$761

St. LouisLima

STL Lambert-St Louis - LIM Lima J Chavez Intl

STLLIM

Lambert-St Louis

Wed 1/6

6:59 pm-6:30 pm

2 stops22h 31m

Lima J Chavez Intl

Wed 1/20

12:10 pm-11:39 pm

1 stop12h 29m

$775

St. LouisLima

STL Lambert-St Louis - LIM Lima J Chavez Intl

STLLIM

Lambert-St Louis

Mon 1/25

4:05 pm-10:40 am

2 stops17h 35m

Lima J Chavez Intl

Fri 2/5

8:00 am-3:26 pm

1 stop32h 26m

$810

St. LouisLima

STL Lambert-St Louis - LIM Lima J Chavez Intl

STLLIM

Lambert-St Louis

Thu 1/21

4:05 pm-6:10 am

1 stop13h 05m

Lima J Chavez Intl

Mon 1/25

8:00 am-3:26 pm

2 stops32h 26m

$818

St. LouisLima

STL Lambert-St Louis - LIM Lima J Chavez Intl

STLLIM

Lambert-St Louis

Thu 1/14

4:05 pm-6:10 am

1 stop13h 05m

Lima J Chavez Intl

Thu 1/21

8:00 am-3:26 pm

2 stops32h 26m

$818

St. LouisLima

STL Lambert-St Louis - LIM Lima J Chavez Intl

STLLIM

Lambert-St Louis

Wed 3/10

6:00 am-7:25 pm

2 stops12h 25m

Lima J Chavez Intl

Mon 3/22

12:15 am-6:01 pm

2 stops17h 46m

$836

Quickest round-trip

St. LouisLima

STL Lambert-St Louis - LIM Lima J Chavez Intl

STLLIM

Lambert-St Louis

Thu 1/14

6:08 pm-5:12 am

1 stop10h 04m

Lima J Chavez Intl

Thu 1/21

10:55 pm-5:26 pm

1 stop19h 31m

$836

St. LouisLima

STL Lambert-St Louis - LIM Lima J Chavez Intl

STLLIM

Lambert-St Louis

Mon 11/9

5:02 am-11:26 pm

1 stop17h 24m

Lima J Chavez Intl

Sun 11/22

7:00 am-9:50 pm

1 stop15h 50m

$836

St. LouisLima

STL Lambert-St Louis - LIM Lima J Chavez Intl

STLLIM

Lambert-St Louis

Wed 3/10

9:00 am-5:00 am

1 stop19h 00m

Lima J Chavez Intl

Thu 3/25

11:40 pm-6:01 pm

1 stop18h 21m

$856

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 April is your next best option. Flight prices from St. Louis to Peru during April average around $787.

How far in advance should I book a flight from St. Louis 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 $914 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 $737 on momondo.

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

You could potentially save up to 18% 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

Best Price Found	$360
Fastest flight time	12h 20m
Direct flights	None

The best one-way flight to Peru from St. Louis in the past 72 hours is $360. The best round-trip flight deal from St. Louis to Peru found on momondo in the last 72 hours is $740.

The fastest flight from St. Louis to Peru takes 12h 20m

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 October 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 $613	Free Cancellation	Rating 7.8 8,664 reviews	Search Delta flights
LATAM Airlines	PriceFrom $661	Free Cancellation	Rating 7.4 1,972 reviews	Search LATAM Airlines flights
American Airlines	PriceFrom $730	Free Cancellation	Rating 7.0 12,165 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.