$302+ Cheap flights from San Salvador (SAL) to Boston (BOS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — BOS
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from San Salvador to Boston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Salvador El Salvador Intl to Boston Logan Intl are usually found in March or February, booked 38 days in advance, depart on a Saturday or Wednesday and return on a Monday
Cheap flight deals from San Salvador to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Salvador to BostonExplore the most affordable flight options available from San Salvador to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from San Salvador to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Copa Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/204:57 am -
1 stop16h 05m
Wed 1/137:34 am -
1 stop17h 01m
Deal found 9/13![Copa Airlines logo]()
$528
This Copa Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:30 am -
1 stop13h 31m
Sun 11/82:50 pm -
1 stop9h 45m
Deal found 9/16![Copa Airlines logo]()
$550
This Copa Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:30 am -
1 stop13h 32m
Mon 11/22:50 pm -
1 stop22h 50m
Deal found 9/14![Copa Airlines logo]()
$560
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am -
1 stop8h 49m
Tue 2/99:45 am -
2 stops12h 34m
Deal found 9/14![United Airlines logo]()
$563
This Copa Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:59 am -
1 stop16h 02m
Wed 2/37:30 am -
1 stop14h 09m
Deal found 9/14![Copa Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:40 pm -
2 stops20h 14m
Mon 1/184:54 pm -
2 stops21h 25m
Deal found 9/16![United Airlines logo]()
$567
This American Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/181:20 pm -
1 stop19h 59m
Mon 1/115:50 pm -
1 stop19h 21m
Deal found 9/17![American Airlines logo]()
$572
This Copa Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:43 pm -
1 stop22h 44m
Tue 11/242:50 pm -
1 stop9h 45m
Deal found 9/17![Copa Airlines logo]()
$573
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
2 stops16h 46m
Tue 11/107:31 am -
1 stop16h 16m
Deal found 9/16![United Airlines logo]()
$576
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:30 am -
1 stop29h 02m
Wed 11/42:50 pm -
1 stop22h 50m
Deal found 9/15![Copa Airlines logo]()
$578
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:59 am -
1 stop16h 03m
Wed 11/47:41 am -
1 stop13h 53m
Deal found 9/15![Copa Airlines logo]()
$580
Best flights from San Salvador to BostonDiscover carefully curated flight deals from San Salvador to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from San Salvador to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Copa Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:30 am -
1 stop13h 31m
Wed 11/182:50 pm -
1 stop9h 45m
Deal found 9/12![Copa Airlines logo]()
$528
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:40 pm -
2 stops15h 37m
Tue 11/106:00 am -
3 stops16h 19m
Deal found 9/16![United Airlines logo]()
$581
This Copa Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/251:42 pm -
1 stop22h 41m
Thu 12/312:43 pm -
1 stop22h 57m
Deal found 9/13![Copa Airlines logo]()
$528
This Copa Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:42 pm -
1 stop22h 41m
Thu 1/72:43 pm -
1 stop9h 52m
Deal found 9/12![Copa Airlines logo]()
$528
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/171:10 am -
1 stop16h 43m
Sat 1/25:45 am -
1 stop17h 00m
Deal found 9/15![United Airlines logo]()
$590
This Copa Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:30 am -
1 stop13h 31m
Thu 11/122:50 pm -
1 stop22h 50m
Deal found 9/13![Copa Airlines logo]()
$528
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:54 pm -
1 stop16h 47m
Sun 1/310:32 am -
1 stop13h 15m
Deal found 9/12![United Airlines logo]()
$592
This Copa Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:57 am -
1 stop16h 05m
Sat 1/307:34 am -
1 stop17h 04m
Deal found 9/14![Copa Airlines logo]()
$528
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
1 stop8h 49m
Mon 11/25:30 am -
2 stops16h 49m
Deal found 9/15![United Airlines logo]()
$594
This Copa Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:57 am -
1 stop16h 05m
Tue 1/127:34 am -
1 stop14h 00m
Deal found 9/15![Copa Airlines logo]()
$550
This Copa Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:30 am -
1 stop13h 31m
Wed 11/252:50 pm -
1 stop9h 45m
Deal found 9/16![Copa Airlines logo]()
$573
Last-minute flights from San Salvador to BostonDiscover last-minute flight deals from San Salvador to Boston. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from San Salvador to Boston. Data last updated September 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:40 pm -
1 stop18h 44m
Tue 10/61:40 pm -
1 stop9h 09m
Deal found 9/16![United Airlines logo]()
$590
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am -
2 stops25h 44m
Thu 12/315:00 pm -
2 stops29h 45m
Deal found 9/17![United Airlines logo]()
$594
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
2 stops16h 54m
Tue 11/176:00 am -
3 stops16h 19m
Deal found 9/15![United Airlines logo]()
$581
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:40 pm -
2 stops23h 57m
Sun 12/68:25 pm -
2 stops26h 20m
Deal found 9/14![United Airlines logo]()
$596
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:30 am -
1 stop29h 02m
Wed 11/42:50 pm -
1 stop22h 50m
Deal found 9/15![Copa Airlines logo]()
$578
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:30 am -
1 stop29h 02m
Tue 11/32:50 pm -
1 stop9h 45m
Deal found 9/15![Copa Airlines logo]()
$585
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
2 stops16h 46m
Tue 11/107:31 am -
1 stop16h 16m
Deal found 9/16![United Airlines logo]()
$576
This Copa Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:30 am -
1 stop13h 32m
Sun 11/82:50 pm -
1 stop9h 45m
Deal found 9/14![Copa Airlines logo]()
$560
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:30 am -
1 stop13h 32m
Wed 11/47:41 am -
1 stop13h 53m
Deal found 9/15![Copa Airlines logo]()
$573
This Copa Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:30 am -
1 stop13h 32m
Sun 11/12:50 pm -
1 stop9h 45m
Deal found 9/17![Copa Airlines logo]()
$582
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:59 am -
1 stop16h 03m
Wed 11/47:41 am -
1 stop13h 53m
Deal found 9/15![Copa Airlines logo]()
$580
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:59 am -
1 stop31h 28m
Tue 11/37:41 am -
1 stop16h 54m
Deal found 9/15![Copa Airlines logo]()
$593
One-way flights from San Salvador to BostonSearch for one-way flight options from San Salvador to Boston. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from San Salvador to Boston. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This FlightHub deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:31 pm -
1 stop20h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$302
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/212:35 pm -
1 stop9h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Delta logo]()
$303
This BusinessClass deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/244:00 pm -
1 stop7h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![GOL logo]()
$304
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:54 pm -
1 stop12h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$307
This BusinessClass deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/234:00 pm -
2 stops19h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![GOL logo]()
$309
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/214:40 pm -
2 stops20h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$312
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:11 pm -
2 stops18h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/264:40 pm -
2 stops31h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$326
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/223:07 pm -
2 stops17h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![American Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/222:35 pm -
1 stop9h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Delta logo]()
$337
Find flight deals from San Salvador to Boston
Discover tips and strategies to find the most affordable flight options for your journey from San Salvador (SAL) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $528 (Copa Airlines) |
One-way from | $302 (FlightHub) |
Popular in | July |
Cheapest in | March |
Average price | $486 |
Good round-trip deal | $723 or less |
Good one-way deal | $476 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Salvador to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from San Salvador to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Wed 11/25
11:54 pm-1:31 pm
1 stop12h 37m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$307
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Thu 11/12
4:40 pm-12:25 pm
1 stop18h 45m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$307
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Wed 11/11
11:54 pm-5:24 pm
2 stops16h 30m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$312
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Thu 1/21
4:40 pm-11:13 pm
1 stop29h 33m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$321
Quickest round-trip
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Wed 2/17
11:54 pm-9:55 am
1 stop9h 01m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$347
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Wed 10/14
3:40 pm-12:24 pm
1 stop18h 44m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$474
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Tue 10/20
3:40 pm-12:24 pm
1 stop18h 44m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$474
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Thu 10/22
3:40 pm-2:07 pm
2 stops20h 27m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$479
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Sun 11/1
2:57 pm-1:20 am
1 stop9h 23m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$504
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Tue 9/29
3:40 pm-2:07 pm
2 stops20h 27m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$504
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from San Salvador to Boston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Salvador to Boston in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Salvador-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Salvador-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Salvador-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Salvador-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Salvador-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Salvador to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from San Salvador with our price prediction graph.
SAL-BOS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Salvador to Boston
Prices
Delays
How far ahead should I book a flight from San Salvador to Boston?
The price you pay for your flight from San Salvador to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 37 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Salvador to Boston?
Currently, March is the cheapest month in which you can book a flight from San Salvador to Boston (average of $379). Flying from San Salvador to Boston in July is currently the most expensive (average of $653). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SAL to BOS?
Find hourly flight availability from San Salvador to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2026.
When flying from San Salvador to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from San Salvador to Boston delayed?
About 6% of weekly flights between San Salvador and Boston have experienced delays in the past year, with the average delay time being 79 minutes.
What is the most punctual flight time for San Salvador to Boston flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Salvador to Boston flights?
Over the last year, Avianca have had the lowest number of delays on this route, with just 3% of flights being delayed.
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated September 17, 2026.
Read through reviews of airlines operating flights from San Salvador to Boston, such as Delta,Copa Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Related info for your journey
Find useful and relevant information for your journey from San Salvador to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Dedham
Cranston
Revere
Warwick
Pawtucket
Peabody
Auburn
Londonderry
York Beach
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
Sandwich
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Alternative routes for San Salvador to Boston
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Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Salvador to Boston by cabin class
Find flights from San Salvador to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Salvador and Boston flights
Browse other San Salvador and Boston flight options. Last updated on September 17, 2026.
Other flights from San Salvador
Browse through other flights departing from San Salvador. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from San Salvador to Boston
Discover the top 5 airlines that operate flights from San Salvador to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$415 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$163 | Average$401 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$249 | Average$564 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$262 | Average$527 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$424 | Average$633 | FlexibilityNo cancel fee | On-time71% |