Baltimore to Lima BWI → LIM
Baltimore/Wash International Thurgood Marshall Airport (BWI) → Jorge Chavez International Airport (LIM)
The cheapest return found recently is $631 with LATAM Airlines Group, 29 Oct – 14 Nov, found 3 days ago. The cheapest one-way found recently is $325 with American Airlines, 15 Feb 2027, found 4 days ago.
Return
The cheapest return fare on each of 4 departure dates is usually $595 to $721.
Cheapest return found recently
$631
29 Oct – 14 Nov · LATAM Airlines Group
Baltimore/Wash International Thurgood Marshall Airport (BWI) → Jorge Chavez International Airport (LIM)
Leaves 2:11 p.m. · Return leaves 4:40 p.m. · 27 h 29 min of travel, both ways together
out 2 stops, back 1 stop
found 3 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$631 29 Oct – 14 Novfound 3 days agoSee prices for these dates
$577 29 Dec – 11 Jan 2027found 5 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $456 to $763.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 4 departure dates from 29 Oct to 29 Dec, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 16-night return fares leaving within 3 days of 29 Oct to compare.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 29 Oct – 14 Nov | $631 | LATAM Airlines Group | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Jorge Chavez International Airport (LIM) | out 2 stops, back 1 stop | found 3 days ago | See prices for these dates |
| 1 Nov – 20 Nov | $601 | Copa Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Jorge Chavez International Airport (LIM) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 16 Dec – 10 Jan 2027 | $990 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Jorge Chavez International Airport (LIM) | out 3 stops, back 3 stops | found 5 days ago | See prices for these dates |
| 29 Dec – 11 Jan 2027 | $577 | American Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Jorge Chavez International Airport (LIM) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $577.
Airlines on the cheapest dates: LATAM Airlines Group, Copa Airlines, Frontier Airlines, American Airlines.
One-way
The cheapest one-way fare on each of 5 departure dates is usually $312 to $330.
Cheapest one-way found recently
$325
15 Feb 2027 · American Airlines
Baltimore/Wash International Thurgood Marshall Airport (BWI) → Jorge Chavez International Airport (LIM)
Leaves 9:22 a.m. · 14 h 6 min trip
2 stops
found 4 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$325 15 Feb 2027found 4 days agoOpen this trip
$309 14 Feb 2027found 5 days agoOpen this trip
What have prices looked like?
Over 21 days, 28 Sept to 18 Oct, the cheapest one-way we saw each day was $296 to $314.
At $325, the cheapest one-way found recently is above that range.
21 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 5 departure dates from 20 Dec to 16 Feb 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
Yes. Among one-way fares leaving within 3 days of 15 Feb 2027, 14 Feb 2027 costs $309: $16 less than the cheapest found recently.
Copa Airlines · Baltimore/Wash International Thurgood Marshall Airport (BWI) → Jorge Chavez International Airport (LIM) · 1 stop · found 5 days ago
Every date we hold
7 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Dec | $557 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Jorge Chavez International Airport (LIM) | 2 stops | found 6 days ago | Open this trip |
| 13 Feb 2027 | $330 | United Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Jorge Chavez International Airport (LIM) | 1 stop | found 5 days ago | Open this trip |
| 14 Feb 2027 | $309 | Copa Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Jorge Chavez International Airport (LIM) | 1 stop | found 5 days ago | Open this trip |
| 15 Feb 2027 | $325 | American Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Jorge Chavez International Airport (LIM) | 2 stops | found 4 days ago | Open this trip |
| 16 Feb 2027 | $312 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Jorge Chavez International Airport (LIM) | 2 stops | found 5 days ago | Open this trip |
Which month looks cheapest?
February 2027 is the cheapest month — from $309.
Airlines on the cheapest dates: Frontier Airlines, United Airlines, Copa Airlines, American Airlines.
Premium cabin fares from Baltimore to Lima
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 29 Oct – 14 Nov in another cabin: Premium economy · Business · First
Today's prices for 15 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Baltimore to Lima?
Return
Fares 14 to 29 days before departure were typically 8% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $666 | $598 | +9% | 12 |
| 14–29 days | $613 | $456 | Cheapest seen | 16 |
| 60–89 days | $667 | $577 | +9% | 25 |
| 90–179 days | $677 | $657 | +10% | 19 |
One-way
Not enough history yet: in 21 days of one-way prices, 28 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Washington → Lima
57 km from Baltimore
$630
$1 less than flying from Baltimore
29 Oct – 14 Nov · IAD → LIM · out 1 stop, back 1 stop
found 3 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Washington → Lima
57 km from Baltimore
$344
$19 more than flying from Baltimore
15 Feb 2027 · IAD → LIM · 1 stop
found 4 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 29 Oct – 14 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work