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

United Airlines, at $645, was found to be the cheapest airline from St. Louis to Lima.Alternate airlines to your destination round-trip include Delta and American Airlines. Users have found that United Airlines is 18% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from St. Louis to Lima one-way?

One-way options have recently been found by users for as low as $429 on Delta. Other airlines that offer cheap prices include United Airlines from $446 and LATAM Airlines from $1,293 one-way.

What are the most popular airlines that fly from St. Louis to Lima?

Before booking your flight from St. Louis to Lima check out the most popular airlines for this route: American Airlines, Delta or LATAM Airlines.

What is the cheapest day to fly round-trip from St. Louis to Lima?

Travelers have found that booking a Tuesday departure is the best way to save up to 30% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from St. Louis to Lima?

Find a great deal and save up to 105% by booking at least 60 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Lima within the next two weeks, with the cheapest ticket starting at $893.

What is the cheapest month to fly from St. Louis to Lima?

September is one of the best times of the year to fly to Lima from St. Louis. Prices for September average $795 per person but you can even find prices for as low as $649. The most expensive prices can be found in the month of July. Opting for a September flight can save you 8% on your journey compared to booking in July

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

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

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

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

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

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

$338+ Flights from St. Louis to Lima

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Cheapflights Tip: The best prices from Lambert-St Louis to Lima J Chavez Intl are usually found in September or February, booked 59 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap flight deals from St. Louis to Lima

Round-trip from	$645 (United Airlines)
One-way from	$338 (Kiwi.com)
Popular in	July
Cheapest in	September
Average price	$837

From Lambert-St Louis to Lima J Chavez Intl

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One-way flight from Lambert-St Louis to Lima J Chavez Intl

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Highest demand for flights based on searches. 4% potential increase in price ($33 potential increase over avg. RT price).

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Cheapest flight prices on average. 0% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from St. Louis to Lima

Cheapest flights from St. Louis to Lima
Explore the most affordable flight options available from St. Louis to Lima. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Mon 9/296:15 amSTL - LIM

1 stop16h 45mUnited Airlines

Wed 10/812:40 amLIM - STL

1 stop18h 17mUnited Airlines

Deal found 6/10

$645

Fri 8/228:44 amSTL - LIM

2 stops35h 59mMultiple Airlines

Tue 9/163:00 amLIM - STL

2 stops39h 32mMultiple Airlines

Deal found 6/10

$653

Mon 9/296:00 amSTL - LIM

2 stops15h 45mDelta

Wed 10/811:20 pmLIM - STL

1 stop13h 05mDelta

Deal found 6/10

$669

Wed 12/316:00 amSTL - LIM

2 stops13h 55mLATAM Airlines

Wed 1/1412:00 pmLIM - STL

2 stops21h 14mLATAM Airlines

Deal found 6/10

$672

Tue 8/269:23 amSTL - LIM

2 stops13h 02mAmerican Airlines

Tue 9/910:00 pmLIM - STL

2 stops17h 09mAmerican Airlines

Deal found 6/11

$710

Mon 8/48:00 amSTL - LIM

2 stops52h 25mCopa Airlines

Tue 8/192:35 amLIM - STL

2 stops40h 52mCopa Airlines

Deal found 6/11

$741

Best flights from St. Louis to Lima
Discover carefully curated flight deals from St. Louis to Lima that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Mon 9/296:15 amSTL - LIM

1 stop16h 45mUnited Airlines

Wed 10/812:40 amLIM - STL

1 stop18h 17mUnited Airlines

Deal found 6/10

$645

Fri 8/228:44 amSTL - LIM

2 stops35h 59mMultiple Airlines

Tue 9/163:00 amLIM - STL

2 stops39h 32mMultiple Airlines

Deal found 6/10

$653

Mon 9/296:00 amSTL - LIM

2 stops15h 45mDelta

Wed 10/811:20 pmLIM - STL

1 stop13h 05mDelta

Deal found 6/10

$669

Tue 8/269:23 amSTL - LIM

2 stops13h 02mAmerican Airlines

Tue 9/910:00 pmLIM - STL

2 stops17h 09mAmerican Airlines

Deal found 6/11

$710

Tue 8/2610:25 amSTL - LIM

1 stop10h 45mLATAM Airlines

Mon 9/1512:00 pmLIM - STL

1 stop20h 10mLATAM Airlines

Deal found 6/11

$728

Mon 8/48:00 amSTL - LIM

2 stops52h 25mCopa Airlines

Tue 8/192:35 amLIM - STL

2 stops40h 52mCopa Airlines

Deal found 6/11

$741

Last-minute flights from St. Louis to Lima
Discover last-minute flight deals from St. Louis to Lima. Data last updated June 12, 2025 and is based on user searches.

Thu 6/196:36 pmSTL - LIM

2 stops27h 44mMultiple Airlines

Sat 6/212:50 amLIM - STL

3 stops31h 43mMultiple Airlines

Deal found 6/12

$889

Thu 6/194:37 pmSTL - LIM

2 stops11h 33mAmerican Airlines

Sat 6/286:30 amLIM - STL

1 stop17h 29mAmerican Airlines

Deal found 6/11

$988

Thu 6/1910:48 amSTL - LIM

1 stop18h 52mLATAM Airlines

Sat 6/2811:20 pmLIM - STL

1 stop9h 55mLATAM Airlines

Deal found 6/11

$1,050

Thu 6/196:00 amSTL - LIM

2 stops14h 15mDelta

Fri 6/2712:05 amLIM - STL

2 stops18h 39mDelta

Deal found 6/11

$1,057

Thu 6/196:15 amSTL - LIM

1 stop16h 45mUnited Airlines

Fri 6/2712:40 amLIM - STL

2 stops46h 05mUnited Airlines

Deal found 6/11

$1,099

Tue 6/248:25 amSTL - LIM

1 stop14h 35mUnited Airlines

Mon 6/3012:40 amLIM - STL

1 stop18h 13mUnited Airlines

Deal found 6/9

$843

Wed 7/99:27 amSTL - LIM

1 stop11h 43mDelta

Mon 7/218:50 amLIM - STL

2 stops15h 03mDelta

Deal found 6/10

$817

Fri 7/1810:47 amSTL - LIM

3 stops38h 58mMultiple Airlines

Mon 7/281:40 amLIM - STL

3 stops34h 30mMultiple Airlines

Deal found 6/11

$778

Sat 7/194:07 pmSTL - LIM

2 stops12h 03mAmerican Airlines

Mon 8/410:00 pmLIM - STL

2 stops14h 34mAmerican Airlines

Deal found 6/11

$848

Mon 7/217:11 pmSTL - LIM

1 stop9h 49mLATAM Airlines

Thu 7/3112:15 pmLIM - STL

1 stop20h 07mLATAM Airlines

Deal found 6/10

$766

One-way flights from St. Louis to Lima
Search for one-way flight options from St. Louis to Lima. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Sun 7/1310:47 amSTL - LIM

3 stops37h 48mMultiple Airlines

Deal found 6/11

$338

Sun 7/135:23 pmSTL - LIM

1 stop11h 37mDelta

Deal found 6/11

$429

Wed 6/258:25 amSTL - LIM

1 stop14h 35mUnited Airlines

Deal found 6/11

$446

Sat 11/296:00 amSTL - LIM

2 stops14h 40mLATAM Airlines

Deal found 6/10

$1,293

Cheapflights Fare Finder

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

Mon 9/29

6:15 am-11:00 pm

1 stop16h 45m

Lima J Chavez Intl

Wed 10/8

12:40 am-6:57 pm

1 stop18h 17m

$645

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Fri 8/22

8:44 am-8:43 pm

2 stops35h 59m

Lima J Chavez Intl

Tue 9/16

3:00 am-6:32 pm

2 stops39h 32m

$653

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Mon 9/29

6:00 am-9:45 pm

2 stops15h 45m

Lima J Chavez Intl

Wed 10/8

11:20 pm-12:25 pm

1 stop13h 05m

$669

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Tue 8/26

9:23 am-10:25 pm

2 stops13h 02m

Lima J Chavez Intl

Tue 9/9

10:00 pm-3:09 pm

2 stops17h 09m

$710

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Tue 8/26

10:25 am-9:10 pm

1 stop10h 45m

Lima J Chavez Intl

Mon 9/15

12:00 pm-8:10 am

1 stop20h 10m

$728

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Mon 8/4

8:00 am-12:25 pm

2 stops52h 25m

Lima J Chavez Intl

Tue 8/19

2:35 am-7:27 pm

2 stops40h 52m

$741

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sun 7/13

10:47 am-12:35 am

3 stops37h 48m

$338

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sun 7/13

5:23 pm-5:00 am

1 stop11h 37m

$429

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Wed 6/25

8:25 am-11:00 pm

1 stop14h 35m

$446

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sat 11/29

6:00 am-9:40 pm

2 stops14h 40m

$1,293

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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

Have a flexible travel schedule? Discover the best time to fly to Lima 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 Lima

How far ahead should I book a flight from St. Louis to Lima?

The best time to book flights from St. Louis to Lima is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from St. Louis to Lima (average of $499). Flying from St. Louis to Lima in December is currently the most expensive (average of $802). 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 LIM?

One of the essential ways to save on airfare from St. Louis to Lima is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 6% on airfare.

What is the cheapest day to fly from St. Louis to Lima?

Travelers seeking maximum savings on their St. Louis to Lima flight should consider departing on Sunday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Lima by month

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

Temperature in Lima by month

If weather is an important factor for your trip to Lima, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 62.6 F).

Reviews of airlines servicing Lima

Peruse reviews from past customers who have flown with Delta, LATAM Airlines and Copa Airlines from St. Louis to Lima to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

LATAM Airlines

7.5

Good

1,785 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Copa Airlines

7.5

Good

1,451 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from St. Louis to Lima round-trip?
United Airlines, at $645, was found to be the cheapest airline from St. Louis to Lima.Alternate airlines to your destination round-trip include Delta and American Airlines. Users have found that United Airlines is 18% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from St. Louis to Lima one-way?
One-way options have recently been found by users for as low as $429 on Delta. Other airlines that offer cheap prices include United Airlines from $446 and LATAM Airlines from $1,293 one-way.
Can I find deals for flights from St. Louis to Lima that include hotel bookings?
Yes. In addition to deals on St. Louis to Lima flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Lima?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Lima.
Can I find deals for business class flights from St. Louis to Lima?
Yes. Cheapflights offers flight deals from St. Louis to Lima 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 Lima?
Currently, April is the cheapest month in which you can book a flight from St. Louis to Lima (average of $499). Flying from St. Louis to Lima in December is currently the most expensive (average of $802). 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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Other flights to Lima

Top 4 airlines flying from St. Louis to Lima

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$633	Average$896	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$633	Average$808	FlexibilityNo cancel fee	On-timeN/A
LATAM Airlines	Cheapest$667	Average$787	FlexibilityNo cancel fee	On-time81%
American Airlines	Cheapest$668	Average$873	FlexibilityNo cancel fee	On-time71%

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$338+ Cheap flights from St. Louis (STL) to Lima (LIM)

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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Lima with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to Lima J Chavez Intl are usually found in September or February, booked 59 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap flight deals from St. Louis to Lima

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Lima

Cheapest flights from St. Louis to LimaExplore the most affordable flight options available from St. Louis to Lima. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from St. Louis to Lima. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Lima that are best for you.

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

Have a flexible travel schedule? Discover the best time to fly to Lima from St. Louis with our price prediction graph.

Cheapflights Insights

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

How far ahead should I book a flight from St. Louis to Lima?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Lima. Price data was last updated on June 9, 2025.

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

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

Find hourly flight availability from St. Louis to Lima. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

What is the cheapest day to fly from St. Louis to Lima?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Lima. Price data was last updated on December 16, 2024.

Rainfall in Lima by month

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

Temperature in Lima by month

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

Reviews of airlines servicing Lima

Get insights into the airlines that provide service to Lima. 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 Lima. Reviews last updated June 12, 2025.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Lima. 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 Lima round-trip?

What are the cheapest airlines to fly from St. Louis to Lima one-way?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Lima

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from St. Louis to Lima

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Cheapest flights from St. Louis to Lima
Explore the most affordable flight options available from St. Louis to Lima. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.