Cheap flights from St. Louis to Lima from $621

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Lima departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Lima

Cheap round-trip flights

 Logo
10:21 am - 10:20 pmSTL-LIM
11h 59m1 stop
 Logo
8:25 pm - 9:40 amLIM-STL
37h 15m2 stops
Sun, Sep 21 - Fri, Sep 26
Spirit Airlines Logo
2:48 pm - 10:58 pmSTL-LIM
31h 10m1 stop
Spirit Airlines Logo
11:59 pm - 11:01 amLIM-STL
12h 02m1 stop
$631Spirit Airlines
Find Deal
Sat, Jan 17 - Wed, Feb 4
LATAM Airlines Logo
11:21 am - 9:10 pmSTL-LIM
9h 49m1 stop
LATAM Airlines Logo
12:00 pm - 11:41 pmLIM-STL
11h 41m1 stop
$632LATAM Airlines
Find Deal
Tue, Oct 7 - Thu, Oct 16
Delta Logo
11:21 am - 9:10 pmSTL-LIM
9h 49m1 stop
Delta Logo
12:05 am - 4:43 pmLIM-STL
16h 38m1 stop
$645Delta
Find Deal
Tue, Oct 7 - Wed, Oct 15
American Airlines Logo
8:17 am - 10:25 pmSTL-LIM
14h 08m2 stops
American Airlines Logo
6:30 am - 8:53 pmLIM-STL
14h 23m2 stops
$649American Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
LATAM Airlines Logo
1:26 pm - 5:00 amSTL-LIM
15h 34m1 stop
LATAM Airlines Logo
11:20 pm - 9:15 amLIM-STL
9h 55m1 stop
$651LATAM Airlines
Find Deal
Sat, Sep 27 - Fri, Oct 10
United Airlines Logo
4:17 pm - 11:55 pmSTL-LIM
30h 38m1 stop
United Airlines Logo
1:50 am - 4:35 pmLIM-STL
15h 45m1 stop
$653United Airlines
Find Deal
Sun, Feb 1 - Tue, Feb 10
Delta Logo
9:00 am - 5:00 amSTL-LIM
19h 00m1 stop
Delta Logo
12:05 am - 4:40 pmLIM-STL
17h 35m1 stop
$665Delta
Find Deal
Tue, Dec 2 - Thu, Dec 11
United Airlines Logo
4:35 pm - 11:55 pmSTL-LIM
30h 20m1 stop
United Airlines Logo
1:50 am - 9:58 pmLIM-STL
21h 08m1 stop
$682United Airlines
Find Deal
Sun, Nov 23 - Sat, Dec 6
American Airlines Logo
5:21 am - 11:25 pmSTL-LIM
17h 04m1 stop
American Airlines Logo
12:45 am - 10:32 pmLIM-STL
22h 47m1 stop
$683American Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16

LATAM Airlines flights from St. Louis to Lima

Our best LATAM Airlines deals on St. Louis to Lima flight tickets
LATAM Airlines
Oct 7
STL11:21 amLambert-St Louis
9h 49m
1 stop
LIM9:10 pmLima J Chavez Intl
Oct 16
LIM12:00 pmLima J Chavez Intl
11h 41m
1 stop
STL11:41 pmLambert-St Louis
LATAM Airlines
Sep 27
STL1:26 pmLambert-St Louis
15h 34m
1 stop
LIM5:00 amLima J Chavez Intl
Oct 10
LIM11:20 pmLima J Chavez Intl
9h 55m
1 stop
STL9:15 amLambert-St Louis
LATAM Airlines
Dec 2
STL4:50 pmLambert-St Louis
11h 10m
1 stop
LIM5:00 amLima J Chavez Intl
Dec 12
LIM11:40 pmLima J Chavez Intl
11h 01m
1 stop
STL9:41 amLambert-St Louis

United Airlines flights from St. Louis to Lima

Our best United Airlines deals on St. Louis to Lima flight tickets
United Airlines
Feb 1
STL4:17 pmLambert-St Louis
30h 38m
1 stop
LIM11:55 pmLima J Chavez Intl
Feb 10
LIM1:50 amLima J Chavez Intl
15h 45m
1 stop
STL4:35 pmLambert-St Louis
United Airlines
Nov 23
STL4:35 pmLambert-St Louis
30h 20m
1 stop
LIM11:55 pmLima J Chavez Intl
Dec 6
LIM1:50 amLima J Chavez Intl
21h 08m
1 stop
STL9:58 pmLambert-St Louis
United Airlines
Jan 16
STL5:18 pmLambert-St Louis
29h 37m
2 stops
LIM11:55 pmLima J Chavez Intl
Jan 30
LIM11:55 pmLima J Chavez Intl
20h 30m
2 stops
STL7:25 pmLambert-St Louis

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Lima 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, momondo users made 832,500 searches. Data last updated August 16, 2025.
Use the filters below to find and compare flights from St. Louis to Lima that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sun 9/21

10:21 am-10:20 pm

1 stop11h 59m

Lima J Chavez Intl

Fri 9/26

8:25 pm-9:40 am

2 stops37h 15m

$621

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sat 1/17

2:48 pm-10:58 pm

1 stop31h 10m

Lima J Chavez Intl

Wed 2/4

11:59 pm-11:01 am

1 stop12h 02m

$631

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Tue 10/7

11:21 am-9:10 pm

1 stop9h 49m

Lima J Chavez Intl

Thu 10/16

12:00 pm-11:41 pm

1 stop11h 41m

$632

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Tue 10/7

11:21 am-9:10 pm

1 stop9h 49m

Lima J Chavez Intl

Wed 10/15

12:05 am-4:43 pm

1 stop16h 38m

$645

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Wed 10/1

8:17 am-10:25 pm

2 stops14h 08m

Lima J Chavez Intl

Wed 10/8

6:30 am-8:53 pm

2 stops14h 23m

$649

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sat 9/27

1:26 pm-5:00 am

1 stop15h 34m

Lima J Chavez Intl

Fri 10/10

11:20 pm-9:15 am

1 stop9h 55m

$651

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sun 2/1

4:17 pm-11:55 pm

1 stop30h 38m

Lima J Chavez Intl

Tue 2/10

1:50 am-4:35 pm

1 stop15h 45m

$653

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Tue 12/2

9:00 am-5:00 am

1 stop19h 00m

Lima J Chavez Intl

Thu 12/11

12:05 am-4:40 pm

1 stop17h 35m

$665

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sun 11/23

4:35 pm-11:55 pm

1 stop30h 20m

Lima J Chavez Intl

Sat 12/6

1:50 am-9:58 pm

1 stop21h 08m

$682

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Thu 11/13

5:21 am-11:25 pm

1 stop17h 04m

Lima J Chavez Intl

Sun 11/16

12:45 am-10:32 pm

1 stop22h 47m

$683

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Lima from

How to get the cheapest flight ticket from St. Louis to Lima

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

What is the cheapest month to fly to Lima?

The cheapest month to fly to Lima from St. Louis is in February. Flight prices, which tend to average around $665, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Lima from St. Louis during September instead. Flights to Lima in September, while not as cheap as those in February, still average around $693.

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

According to our data, Wednesday is the cheapest day to fly to Lima from St. Louis. The lowest ticket price found for a Wednesday departure recently was $741. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Lima for around $967.

What is the cheapest time of day to depart on your flight to Lima?

The cheapest time of day to fly to Lima is in the morning when flights can be purchased for as low as $785. Flights at noon are often more expensive with an average ticket price of $831.

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

You are more likely to see cheaper flights to Lima from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Lima for around $780 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lima from St. Louis for as low as $698 on momondo.

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

You could potentially save up to 26% on your flight if you consider stops on a St. Louis to Lima flight.

How have St. Louis to Lima flight prices changed over time?

When to book flights from St. Louis to Lima

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Lima according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Lima (STL to LIM) flight deals and tips

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

Best Price Found

$1,205

Fastest flight time

9h 49m

Direct flights

None

Airports in Lima

1 airport
The best one-way flight to Lima from St. Louis in the past 72 hours is $1,205. The best round-trip flight deal from St. Louis to Lima found on momondo in the last 72 hours is $621.
The fastest flight from St. Louis to Lima takes 9h 49m
There are no direct flights from St. Louis to Lima. Popular non-direct route for this connection is Lambert-St Louis Airport - Lima J Chavez Intl Airport.
There is 1 airport near Lima: Lima J Chavez Intl (LIM)
  • How far is Lambert-St Louis to Lima J Chavez Intl by plane?

    The straight-line distance from Lambert-St Louis to Lima J Chavez Intl is 3601.4 mi. In terms of flight time, this usually takes a little over 9h 49m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Lima J Chavez Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Lima J Chavez Intl Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Lima J Chavez Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Lima J Chavez Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Lima J Chavez Intl Airport.

  • What documentation or ID do you need to fly to Lima J Chavez Intl Airport?

    The travel and health documents you'll need for your trip to Lima J Chavez Intl Airport 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 Lima J Chavez Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Lima?

Best airlines flying from St. Louis to Lima

Compare and see reviews for airlines that fly from St. Louis to Lima with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $633Free CancellationRating
8.0
7,985 reviews
Search Delta flights
LATAM AirlinesPriceFrom $659Free CancellationRating
7.5
1,840 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $668Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Lima?

Book flights to Lima if you plan to visit one of these locations
Callao

Why use momondo?

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

It is quick and easy to find St. Louis to Lima flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Lima that suits you.

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

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

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

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 Lima.

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

Yes. momondo can track prices for St. Louis to Lima flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Thu 8/21
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