Baltimore to San Salvador BWI → SAL
Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL)
The cheapest return found recently is $613 with Copa Airlines, 8 Jan 2027 – 12 Jan 2027, found today. The cheapest one-way found recently is $292 with United Airlines, 10 Jan 2027, found 2 days ago.
Return
The cheapest return fare on each of 15 departure dates is usually $690 to $856.
Cheapest return found recently
$613
8 Jan 2027 – 12 Jan 2027 · Copa Airlines
Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL)
Leaves 3:34 p.m. · Return leaves 7:30 a.m. · 59 h 41 min of travel, both ways together
out 1 stop, back 1 stop
found today
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$613 8 Jan 2027 – 12 Jan 2027found todaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $256 to $658.
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 15 departure dates from 20 Oct to 8 Jan 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?
We hold no other 4-night return fares leaving within 3 days of 8 Jan 2027 to compare.
Every date we hold
25 fares on 15 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Oct – 31 Oct | $690 | United Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 24 Oct – 26 Oct | $724 | United Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 2 stops, back 1 stop | found 3 days ago | See prices for these dates |
| 31 Oct – 7 Nov | $689 | Copa Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 7 Nov – 21 Nov | $707 | United Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 14 Nov – 28 Nov | $890 | American Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 21 Nov – 5 Dec | $771 | United Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 27 Nov – 14 Dec | $711 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 2 stops, back 3 stops | found yesterday | See prices for these dates |
| 11 Dec – 16 Dec | $869 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 16 Dec – 26 Dec | $827 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 3 stops, back 1 stop | found yesterday | See prices for these dates |
| 18 Dec – 26 Dec | $910 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 3 stops, back 1 stop | found yesterday | See prices for these dates |
| 19 Dec – 26 Dec | $843 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 2 stops, back nonstop | found yesterday | See prices for these dates |
| 23 Dec – 25 Dec | $925 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 31 Dec – 14 Jan 2027 | $642 | United Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 2 stops, back 1 stop | found 4 days ago | See prices for these dates |
| 6 Jan 2027 – 13 Jan 2027 | $646 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 2 stops, back 1 stop | found today | See prices for these dates |
| 8 Jan 2027 – 12 Jan 2027 | $613 | Copa Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found today | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $613.
Airlines on the cheapest dates: Frontier Airlines, United Airlines, Copa Airlines, American Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$292
10 Jan 2027 · United Airlines
Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL)
Leaves 5:24 p.m. · 20 h 55 min trip
2 stops
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$292 10 Jan 2027found 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 21 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $149 to $376.
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?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 10 Jan 2027 to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 10 Jan 2027 | $292 | United Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | 2 stops | found 2 days ago | Open this trip |
Airlines on the cheapest dates: United Airlines.
Premium cabin fares from Baltimore to San Salvador
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 8 Jan 2027 – 12 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 10 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Baltimore to San Salvador?
Return
The cheapest fares were 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 | $589 | $353 | Cheapest seen | 12 |
| 7–13 days | $689 | $574 | +17% | 17 |
| 14–29 days | $680 | $256 | +15% | 25 |
| 30–59 days | $658 | $281 | +12% | 22 |
| 60–89 days | $642 | $596 | +9% | 25 |
| 90–179 days | $620 | $390 | +5% | 18 |
One-way
The cheapest fares were 30 to 59 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (21 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 |
|---|---|---|---|---|
| 30–59 days | $313 | $149 | Cheapest seen | 10 |
| 60–89 days | $348 | $292 | +11% | 10 |
| 90–179 days | $363 | $282 | +16% | 11 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Washington → San Salvador
57 km from Baltimore
$669
$56 more than flying from Baltimore
6 Jan 2027 – 13 Jan 2027 · IAD → SAL · out nonstop, back nonstop
found today
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Washington → San Salvador
57 km from Baltimore
$183
$109 less than flying from Baltimore
10 Jan 2027 · IAD → SAL · 1 stop
found 2 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 8 Jan 2027 – 12 Jan 2027. 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