Cheap flights from Baltimore to San Salvador from $641 BWI → SAL
Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL)
The cheapest return found recently is $641 with United Airlines, 1 Jan 2027 – 31 Jan 2027, found 2 days ago.
- Cheapest return found recently
- $641, 1 Jan 2027 to 31 Jan 2027
- Usual return price
- $646 to $811
- Cheapest month to fly
- January 2027, return fares from $602 found in the last 7 days
Return
The cheapest return fare on each of 20 departure dates is usually $646 to $811.
Cheapest return found recently
$641
1 Jan 2027 – 31 Jan 2027 · United Airlines
Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL)
Leaves 6:02 a.m. · Return leaves 7:00 a.m. · 24 h 35 min of travel, both ways together
out 1 stop, back 1 stop · via George Bush Intercontinental Airport (IAH) · 10 h connection
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$641 1 Jan 2027 – 31 Jan 2027found 2 days agoSee prices for these dates
$602 7 Jan 2027 – 19 Jan 2027found 6 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $256 to $658.
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 20 departure dates from 13 Nov to 22 Mar 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 30-night return fares leaving within 3 days of 1 Jan 2027 to compare.
Every date we hold
136 fares on 20 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 13 Nov – 19 Nov | $685 | United Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 16 Nov – 16 Dec | $653 | 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 |
| 19 Nov – 23 Nov | $691 | American Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 2 stops, back 1 stop | found 7 days ago | See prices for these dates |
| 11 Dec – 8 Jan 2027 | $1,121 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 2 stops, back 2 stops | found 4 days ago | See prices for these dates |
| 21 Dec – 29 Dec | $842 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 3 stops, back 2 stops | found 3 days ago | See prices for these dates |
| 24 Dec – 1 Jan 2027 | $989 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 2 stops, back 2 stops | found 8 days ago | See prices for these dates |
| 25 Dec – 31 Jan 2027 | $901 | Copa Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 29 Dec – 19 Jan 2027 | $806 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 2 stops, back 2 stops | found 6 days ago | See prices for these dates |
| 1 Jan 2027 – 31 Jan 2027 | $641 | United Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 7 Jan 2027 – 19 Jan 2027 | $602 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 2 stops, back 2 stops | found 6 days ago | See prices for these dates |
| 8 Jan 2027 – 17 Jan 2027 | $653 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 2 stops, back nonstop | found 6 days ago | See prices for these dates |
| 13 Jan 2027 – 26 Jan 2027 | $647 | Copa Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 15 Jan 2027 – 22 Jan 2027 | $641 | Copa Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 22 Jan 2027 – 5 Feb 2027 | $642 | Copa Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 31 Jan 2027 – 20 Feb 2027 | $668 | United Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 2 stops | found 3 days ago | See prices for these dates |
| 1 Feb 2027 – 5 Mar 2027 | $641 | United Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 8 Feb 2027 – 16 Feb 2027 | $664 | United Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 19 Mar 2027 – 26 Mar 2027 | $827 | American Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 20 Mar 2027 – 26 Mar 2027 | $748 | American Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 22 Mar 2027 – 29 Mar 2027 | $751 | American Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $602.
Airlines on the cheapest dates: United Airlines, Frontier Airlines, American Airlines, Copa 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 1 Jan 2027 – 31 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Baltimore to San Salvador?
Return
Fares 30 to 59 days before departure were typically 11% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 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 | $674 | $353 | +12% | 32 |
| 7–13 days | $686 | $574 | +14% | 29 |
| 14–29 days | $687 | $256 | +14% | 34 |
| 30–59 days | $602 | $281 | Cheapest seen | 46 |
| 60–89 days | $629 | $572 | +5% | 49 |
| 90–179 days | $625 | $390 | +4% | 29 |
| 180+ days | $681 | $676 | +13% | 16 |
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
$585
$56 less than flying from Baltimore
1 Jan 2027 – 31 Jan 2027 · IAD → SAL · out nonstop, back nonstop
found yesterday
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 1 Jan 2027 – 31 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Baltimore to San Salvador?
The cheapest return found recently is $641 with United Airlines, 1 Jan 2027 to 31 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $602 with Frontier Airlines, 7 Jan 2027 to 19 Jan 2027, found 6 days ago. The cheapest return fare on each of 20 departure dates is usually $646 to $811.
What is the cheapest month to fly from Baltimore to San Salvador?
January 2027 is the cheapest month for a return, from $602, 7 Jan 2027 to 19 Jan 2027, found 6 days ago.
How far ahead should I book a flight from Baltimore to San Salvador?
In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 11% lower than 0 to 6 days before departure.
Which airlines have the cheapest flights from Baltimore to San Salvador?
Between 13 Nov and 22 Mar 2027, United Airlines has the cheapest return on 6 of the 20 departure dates we hold, Frontier Airlines on 6 and American Airlines on 4.
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