Cheap flights from San Salvador to Boston from $673 SAL → BOS
El Salvador International Airport (SAL) → Logan International Airport (BOS)
The cheapest return found recently is $673 with United Airlines, 23 Dec – 30 Dec, found 2 days ago.
- Cheapest return found recently
- $673, 23 Dec to 30 Dec
- Usual return price
- $638 to $652
- Cheapest month to fly
- May 2027, return fares from $638 found in the last 7 days
- Airlines with nonstop flights
- avianca airlines
Return
The cheapest return fare on each of 7 departure dates is usually $638 to $652.
Cheapest return found recently
$673
23 Dec – 30 Dec · United Airlines
El Salvador International Airport (SAL) → Logan International Airport (BOS)
Leaves 11:54 p.m. · Return leaves 7:40 p.m. · 38 h 41 min of travel, both ways together
out 1 stop, back 1 stop · via Newark Liberty International Airport (EWR) · overnight connection · 21 h connection
found 2 days ago
Cheapest nonstop return
$811
23 Dec – 30 Dec · avianca airlines
El Salvador International Airport (SAL) → Logan International Airport (BOS)
Leaves 7:45 a.m. · Return leaves 9:15 p.m. · 10 h 35 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$673 23 Dec – 30 Decfound 2 days agoSee prices for these dates
$638 5 May 2027 – 12 May 2027found 5 days agoSee prices for these dates
What have prices looked like?
Over 28 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $455 to $738.
28 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 7 departure dates from 23 Dec to 13 May 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 7-night return fares leaving within 3 days of 23 Dec to compare.
Every date we hold
39 fares on 7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Dec – 30 Dec | $673 | United Airlines | El Salvador International Airport (SAL) → Logan International Airport (BOS) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 4 Feb 2027 – 8 Feb 2027 | $647 | United Airlines | El Salvador International Airport (SAL) → Logan International Airport (BOS) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 5 May 2027 – 12 May 2027 | $638 | avianca airlines | El Salvador International Airport (SAL) → Logan International Airport (BOS) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 9 May 2027 – 16 May 2027 | $638 | avianca airlines | El Salvador International Airport (SAL) → Logan International Airport (BOS) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 10 May 2027 – 17 May 2027 | $638 | avianca airlines | El Salvador International Airport (SAL) → Logan International Airport (BOS) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 11 May 2027 – 17 May 2027 | $655 | United Airlines | El Salvador International Airport (SAL) → Logan International Airport (BOS) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 13 May 2027 – 20 May 2027 | $649 | United Airlines | El Salvador International Airport (SAL) → Logan International Airport (BOS) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
Which month looks cheapest?
May 2027 is the cheapest month — from $638.
Airlines on the cheapest dates: United Airlines, avianca airlines.
Premium cabin fares from San Salvador to Boston
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 23 Dec – 30 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Salvador to Boston?
Return
Not enough history yet: in 28 days of return prices, 24 Sept to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 23 Dec – 30 Dec. 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 San Salvador to Boston?
The cheapest return found recently is $673 with United Airlines, 23 Dec to 30 Dec, found 2 days ago. The cheapest return we hold, of any age, is $638 with avianca airlines, 5 May 2027 to 12 May 2027, found 5 days ago. The cheapest return fare on each of 7 departure dates is usually $638 to $652.
What is the cheapest month to fly from San Salvador to Boston?
May 2027 is the cheapest month for a return, from $638, 5 May 2027 to 12 May 2027, found 5 days ago.
Is there a direct flight from San Salvador to Boston?
Yes, the cheapest nonstop return found recently is $811 with avianca airlines, 23 Dec to 30 Dec, found 2 days ago.
Which airlines have the cheapest flights from San Salvador to Boston?
Between 23 Dec and 13 May 2027, United Airlines has the cheapest return on 4 of the 7 departure dates we hold, and avianca airlines on 3.
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