Flights to Coastal Region from St. Louis - $315

View $315 flight on Mon, Aug 18, 2025Opens in a new window

Popular airlines from St. Louis to Coastal Region

  • LATAM Airlines Group

    LATAM Airlines Group

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Copa

    Copa

  • Air Canada

    Air Canada

  • Avianca

    Avianca

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from St. Louis to Coastal Region (STL-LIM)

Prices were available within the past 7 days and start at $315 for one-way flights and $645 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Oct 6 - Thu, Oct 23
STL
St. Louis
LIM
Lima
$645 Roundtrip, found 2 days ago
$645
Roundtrip
found 2 days ago
Select United flight, departing Mon, Oct 6 from St. Louis to Lima, returning Thu, Oct 23, priced at $645 found 2 days ago
United
Mon, Oct 6 - Mon, Oct 27
STL
St. Louis
LIM
Lima
$649 Roundtrip, found 2 days ago
$649
Roundtrip
found 2 days ago
Select United flight, departing Mon, Oct 6 from St. Louis to Lima, returning Mon, Oct 27, priced at $649 found 2 days ago
American Airlines
Wed, Oct 22 - Wed, Oct 29
STL
St. Louis
LIM
Lima
$669 Roundtrip, found 13 hours ago
$669
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, Oct 22 from St. Louis to Lima, returning Wed, Oct 29, priced at $669 found 13 hours ago
Delta
Wed, Oct 22 - Wed, Oct 29
STL
St. Louis
LIM
Lima
$669 Roundtrip, found 13 hours ago
$669
Roundtrip
found 13 hours ago
Select Delta flight, departing Wed, Oct 22 from St. Louis to Lima, returning Wed, Oct 29, priced at $669 found 13 hours ago
avianca
Tue, Nov 4 - Sat, Nov 15
STL
St. Louis
LIM
Lima
$681 Roundtrip, found 16 hours ago
$681
Roundtrip
found 16 hours ago
Select avianca flight, departing Tue, Nov 4 from St. Louis to Lima, returning Sat, Nov 15, priced at $681 found 16 hours ago
LATAM Airlines Group
Mon, May 25 - Thu, Jun 4
STL
St. Louis
LIM
Lima
$733 Roundtrip, found 10 hours ago
$733
Roundtrip
found 10 hours ago
Select LATAM Airlines Group flight, departing Mon, May 25 from St. Louis to Lima, returning Thu, Jun 4, priced at $733 found 10 hours ago

Find the cheapest month to fly from St. Louis (STL) to Lima (LIM)

March is typically the cheapest month to fly

From $653 - $931 per traveler.

Graph displaying average flight prices per month

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Jorge Chavez Intl. LIM. Cheapest option available. Flights from $983
LIM
Jorge Chavez Intl.
Cheapest
Flights from $983
*Available to One Key members.