$356+ Cheap flights from San Salvador (SAL) to Boston (BOS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — BOS
Jul 15 — Jul 221
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
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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 October or September, booked 64 days in advance, depart on a Saturday or Thursday and return on a Sunday
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 June 15, 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 June 15, 2026.
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 10/412:24 pm
SAL
- BOS
2 stops18h 20m
American Airlines
Sun 10/257:30 pm
BOS
- SAL
2 stops17h 25m
American Airlines
Deal found 6/11![American Airlines logo]()
$510
This Avianca deal was found by Cheapflights users on 6/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:45 am
SAL
- BOS
Nonstop5h 05m
Avianca
Sun 9/204:50 pm
BOS
- SAL
Nonstop5h 25m
Avianca
Deal found 6/11![Avianca logo]()
$513
This Avianca deal was found by Cheapflights users on 6/10. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:45 am
SAL
- BOS
Nonstop5h 05m
Avianca
Thu 9/104:50 pm
BOS
- SAL
Nonstop5h 25m
Avianca
Deal found 6/10![Avianca logo]()
$514
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:57 pm
SAL
- BOS
1 stop17h 42m
Delta
Tue 9/15:30 am
BOS
- SAL
1 stop9h 02m
Delta
Deal found 6/12![Delta logo]()
$520
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/11:20 pm
SAL
- BOS
1 stop18h 58m
United Airlines
Wed 10/149:30 am
BOS
- SAL
2 stops28h 45m
United Airlines
Deal found 6/11![United Airlines logo]()
$522
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 7/186:00 am
SAL
- BOS
1 stop16h 59m
American Airlines
Mon 9/75:51 am
BOS
- SAL
1 stop8h 57m
American Airlines
Deal found 6/11![American Airlines logo]()
$523
This Avianca deal was found by Cheapflights users on 6/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:45 am
SAL
- BOS
Nonstop5h 05m
Avianca
Wed 9/94:50 pm
BOS
- SAL
Nonstop5h 25m
Avianca
Deal found 6/11![Avianca logo]()
$524
This Copa Airlines deal was found by Cheapflights users on 6/11. 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 10/48:30 am
SAL
- BOS
1 stop12h 32m
Copa Airlines
Sun 10/253:55 pm
BOS
- SAL
1 stop9h 40m
Copa Airlines
Deal found 6/11![Copa Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 9/93:40 pm
SAL
- BOS
2 stops22h 47m
United Airlines
Fri 9/185:38 pm
BOS
- SAL
1 stop29h 11m
United Airlines
Deal found 6/12![United Airlines logo]()
$527
This American Airlines deal was found by Cheapflights users on 6/10. 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 7/106:00 am
SAL
- BOS
1 stop16h 59m
American Airlines
Mon 7/1310:49 am
BOS
- SAL
2 stops10h 55m
American Airlines
Deal found 6/10![American Airlines logo]()
$528
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:24 pm
SAL
- BOS
2 stops18h 21m
American Airlines
Mon 9/217:44 pm
BOS
- SAL
2 stops17h 29m
American Airlines
Deal found 6/12![American Airlines logo]()
$530
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 7/293:40 pm
SAL
- BOS
2 stops20h 27m
United Airlines
Mon 8/246:01 am
BOS
- SAL
2 stops16h 48m
United Airlines
Deal found 6/12![United Airlines logo]()
$531
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 June 15, 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 June 15, 2026.
This Copa Airlines deal was found by Cheapflights users on 6/15. 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 8/101:59 pm
SAL
- BOS
1 stop22h 35m
Copa Airlines
Mon 8/243:57 pm
BOS
- SAL
1 stop22h 42m
Copa Airlines
Deal found 6/15![Copa Airlines logo]()
$571
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 6/196:00 am
SAL
- BOS
1 stop15h 19m
United Airlines
Tue 7/217:25 am
BOS
- SAL
1 stop13h 33m
United Airlines
Deal found 6/14![United Airlines logo]()
$605
This Delta deal was found by Cheapflights users on 6/11. 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.
Sun 9/61:57 pm
SAL
- BOS
1 stop17h 42m
Delta
Tue 10/138:15 pm
BOS
- SAL
1 stop18h 09m
Delta
Deal found 6/11![Delta logo]()
$664
This Copa Airlines deal was found by Cheapflights users on 6/11. 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 7/164:54 am
SAL
- BOS
1 stop16h 16m
Copa Airlines
Sun 8/163:57 pm
BOS
- SAL
1 stop9h 37m
Copa Airlines
Deal found 6/11![Copa Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/810:45 pm
SAL
- BOS
2 stops23h 14m
United Airlines
Tue 7/286:05 am
BOS
- SAL
3 stops16h 44m
United Airlines
Deal found 6/11![United Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/293:40 pm
SAL
- BOS
2 stops19h 17m
United Airlines
Wed 8/56:05 am
BOS
- SAL
3 stops16h 44m
United Airlines
Deal found 6/14![United Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/213:40 pm
SAL
- BOS
2 stops15h 49m
United Airlines
Tue 8/257:30 am
BOS
- SAL
2 stops15h 19m
United Airlines
Deal found 6/11![United Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/213:40 pm
SAL
- BOS
2 stops15h 49m
United Airlines
Wed 8/197:00 pm
BOS
- SAL
2 stops18h 29m
United Airlines
Deal found 6/10![United Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 8/43:40 pm
SAL
- BOS
2 stops15h 49m
United Airlines
Tue 8/256:00 am
BOS
- SAL
2 stops10h 30m
United Airlines
Deal found 6/12![United Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Sun 7/263:40 pm
SAL
- BOS
2 stops15h 49m
United Airlines
Sun 8/167:00 pm
BOS
- SAL
2 stops18h 29m
United Airlines
Deal found 6/15![United Airlines logo]()
$644
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/203:40 pm
SAL
- BOS
2 stops15h 56m
United Airlines
Sun 9/208:31 pm
BOS
- SAL
2 stops17h 44m
United Airlines
Deal found 6/12![United Airlines logo]()
$653
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:00 am
SAL
- BOS
1 stop9h 34m
United Airlines
Fri 7/176:05 am
BOS
- SAL
2 stops16h 44m
United Airlines
Deal found 6/13![United Airlines logo]()
$699
Last-minute flights from San Salvador to BostonDiscover last-minute flight deals from San Salvador to Boston. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from San Salvador to Boston. Data last updated June 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 6/161:20 pm
SAL
- BOS
1 stop8h 39m
United Airlines
Thu 6/185:47 am
BOS
- SAL
1 stop15h 11m
United Airlines
Deal found 6/12![United Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 6/11. 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 6/236:00 am
SAL
- BOS
1 stop13h 44m
United Airlines
Mon 6/295:47 am
BOS
- SAL
1 stop17h 02m
United Airlines
Deal found 6/11![United Airlines logo]()
$560
This Copa Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 6/291:58 pm
SAL
- BOS
1 stop22h 46m
Copa Airlines
Mon 1/182:43 pm
BOS
- SAL
1 stop22h 57m
Copa Airlines
Deal found 6/12![Copa Airlines logo]()
$537
This American Airlines deal was found by Cheapflights users on 6/10. 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 7/106:00 am
SAL
- BOS
1 stop16h 59m
American Airlines
Mon 7/1310:49 am
BOS
- SAL
2 stops10h 55m
American Airlines
Deal found 6/10![American Airlines logo]()
$528
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:00 am
SAL
- BOS
1 stop15h 59m
American Airlines
Fri 7/241:42 pm
BOS
- SAL
1 stop8h 02m
American Airlines
Deal found 6/14![American Airlines logo]()
$549
This Avianca deal was found by Cheapflights users on 6/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:45 am
SAL
- BOS
Nonstop5h 05m
Avianca
Mon 9/74:50 pm
BOS
- SAL
Nonstop5h 25m
Avianca
Deal found 6/11![Avianca logo]()
$514
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 7/186:00 am
SAL
- BOS
1 stop16h 59m
American Airlines
Mon 9/75:51 am
BOS
- SAL
1 stop8h 57m
American Airlines
Deal found 6/11![American Airlines logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Tue 7/218:30 am
SAL
- BOS
1 stop28h 04m
Copa Airlines
Wed 8/193:57 pm
BOS
- SAL
1 stop9h 37m
Copa Airlines
Deal found 6/10![Copa Airlines logo]()
$546
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:00 am
SAL
- BOS
1 stop15h 59m
American Airlines
Wed 8/265:45 pm
BOS
- SAL
2 stops19h 44m
American Airlines
Deal found 6/12![American Airlines logo]()
$530
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 7/293:40 pm
SAL
- BOS
2 stops19h 17m
United Airlines
Mon 8/246:00 am
BOS
- SAL
3 stops16h 49m
United Airlines
Deal found 6/12![United Airlines logo]()
$531
This Avianca deal was found by Cheapflights users on 6/12. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/307:45 am
SAL
- BOS
Nonstop5h 05m
Avianca
Thu 8/274:50 pm
BOS
- SAL
Nonstop5h 25m
Avianca
Deal found 6/12![Avianca logo]()
$561
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 June 15, 2026.
Search for one-way flight options from San Salvador to Boston. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:00 am
SAL
- BOS
2 stops36h 27m
Frontier
Deal found 6/12![Frontier logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Tue 7/214:54 am
SAL
- BOS
3 stops27h 51m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Mon 7/611:20 pm
SAL
- BOS
2 stops33h 25m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Tue 7/78:15 am
SAL
- BOS
2 stops24h 30m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:12 am
SAL
- BOS
2 stops20h 34m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/246:00 am
SAL
- BOS
1 stop15h 38m
United Airlines
Deal found 6/12![United Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/86:00 am
SAL
- BOS
2 stops13h 56m
United Airlines
Deal found 6/10![United Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:59 pm
SAL
- BOS
3 stops28h 23m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$402
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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $513 (Avianca) |
One-way from | $356 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $569 |
Good round-trip deal | $537 or less |
Good one-way deal | $385 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 2,558,603 searches. Data last updated June 15, 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 - BOS
SALBOS
San Salvador El Salvador Intl
Mon 8/10
1:59 pm-2:34 pm
1 stop22h 35m
Boston Logan Intl
Mon 8/24
3:57 pm-12:39 pm
1 stop22h 42m
$571
Quickest round-trip
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Thu 7/16
4:54 am-11:10 pm
1 stop16h 16m
Boston Logan Intl
Sun 8/16
3:57 pm-11:34 pm
1 stop9h 37m
$599
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Fri 6/19
6:00 am-11:19 pm
1 stop15h 19m
Boston Logan Intl
Tue 7/21
7:25 am-6:58 pm
1 stop13h 33m
$605
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Wed 7/8
10:45 pm-11:59 pm
2 stops23h 14m
Boston Logan Intl
Tue 7/28
6:05 am-8:49 pm
3 stops16h 44m
$610
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Wed 7/29
3:40 pm-12:57 pm
2 stops19h 17m
Boston Logan Intl
Wed 8/5
6:05 am-8:49 pm
3 stops16h 44m
$610
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Tue 7/21
3:40 pm-9:29 am
2 stops15h 49m
Boston Logan Intl
Tue 8/25
7:30 am-8:49 pm
2 stops15h 19m
$610
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Tue 7/21
3:40 pm-9:29 am
2 stops15h 49m
Boston Logan Intl
Wed 8/19
7:00 pm-11:29 am
2 stops18h 29m
$610
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Tue 8/4
3:40 pm-9:29 am
2 stops15h 49m
Boston Logan Intl
Tue 8/25
6:00 am-2:30 pm
2 stops10h 30m
$610
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Sun 7/26
3:40 pm-9:29 am
2 stops15h 49m
Boston Logan Intl
Sun 8/16
7:00 pm-11:29 am
2 stops18h 29m
$644
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Thu 8/20
3:40 pm-9:36 am
2 stops15h 56m
Boston Logan Intl
Sun 9/20
8:31 pm-12:15 pm
2 stops17h 44m
$653
Showing 1-10 of 21 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 June.
| 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 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 63 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, October is the cheapest month in which you can book a flight from San Salvador to Boston (average of $281). Flying from San Salvador to Boston in July is currently the most expensive (average of $627). 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 June 15, 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 4% of weekly flights between San Salvador and Boston have experienced delays in the past year, with the average delay time being 84 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?
Friday 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 2% 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 June 15, 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.
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
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
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York Beach
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Lowell
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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 June 15, 2026.
Complete your trip
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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 June 15, 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 June 15, 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 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$367 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$150 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$249 | Average$564 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$499 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$279 | Average$599 | FlexibilityNo cancel fee | On-time71% |