$343+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — BOS
Aug 30 — Sep 61
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 October or March, booked 38 days in advance, depart on a Saturday or Wednesday 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 July 31, 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 July 31, 2026.
This Copa Airlines deal was found by Cheapflights users on 7/29. 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 11/14:59 am
SAL
- BOS
1 stop16h 02m
Copa Airlines
Sun 11/87:41 am
BOS
- SAL
1 stop13h 53m
Copa Airlines
Deal found 7/29![Copa Airlines logo]()
$475
This Copa Airlines deal was found by Cheapflights users on 7/30. 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 10/57:30 am
SAL
- BOS
1 stop13h 32m
Copa Airlines
Mon 10/263:55 pm
BOS
- SAL
1 stop22h 45m
Copa Airlines
Deal found 7/30![Copa Airlines logo]()
$480
This Copa Airlines deal was found by Cheapflights users on 7/29. 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 11/57:30 am
SAL
- BOS
1 stop13h 31m
Copa Airlines
Thu 11/192:50 pm
BOS
- SAL
1 stop9h 45m
Copa Airlines
Deal found 7/29![Copa Airlines logo]()
$492
This Avianca deal was found by Cheapflights users on 7/26. 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 9/127:45 am
SAL
- BOS
Nonstop5h 05m
Avianca
Fri 9/184:50 pm
BOS
- SAL
Nonstop5h 25m
Avianca
Deal found 7/26![Avianca logo]()
$497
This Justfly.com deal was found by Cheapflights users on 7/26. 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 Justfly.com 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
Fri 9/184:50 pm
BOS
- SAL
Nonstop5h 25m
Avianca
Deal found 7/26![Avianca logo]()
$504
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/161:59 pm
SAL
- BOS
1 stop31h 03m
Copa Airlines
Wed 9/233:55 pm
BOS
- SAL
1 stop22h 44m
Copa Airlines
Deal found 7/26![Copa Airlines logo]()
$505
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 12/213:43 pm
SAL
- BOS
2 stops15h 19m
American Airlines
Mon 1/188:51 pm
BOS
- SAL
2 stops16h 40m
American Airlines
Deal found 7/27![American Airlines logo]()
$506
This Copa Airlines deal was found by Cheapflights users on 7/26. 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 9/91:59 pm
SAL
- BOS
1 stop22h 40m
Copa Airlines
Wed 10/143:55 pm
BOS
- SAL
1 stop9h 40m
Copa Airlines
Deal found 7/26![Copa Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 11/231:08 pm
SAL
- BOS
1 stop10h 54m
American Airlines
Wed 1/66:45 am
BOS
- SAL
1 stop9h 04m
American Airlines
Deal found 7/27![American Airlines logo]()
$511
This Copa Airlines deal was found by Cheapflights users on 7/30. 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 10/168:30 am
SAL
- BOS
1 stop12h 32m
Copa Airlines
Mon 10/263:55 pm
BOS
- SAL
1 stop22h 45m
Copa Airlines
Deal found 7/30![Copa Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 7/27. 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 9/1612:24 pm
SAL
- BOS
1 stop10h 35m
American Airlines
Tue 9/225:40 am
BOS
- SAL
1 stop7h 44m
American Airlines
Deal found 7/27![American Airlines logo]()
$515
This eDestinos deal was found by Cheapflights users on 7/26. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:45 am
SAL
- BOS
Nonstop5h 05m
Avianca
Mon 9/214:50 pm
BOS
- SAL
Nonstop5h 25m
Avianca
Deal found 7/26![Avianca logo]()
$516
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 July 31, 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 July 31, 2026.
This Copa Airlines deal was found by Cheapflights users on 7/30. 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 9/168:30 am
SAL
- BOS
1 stop12h 32m
Copa Airlines
Mon 9/213:55 pm
BOS
- SAL
1 stop9h 39m
Copa Airlines
Deal found 7/30![Copa Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/156:00 am
SAL
- BOS
2 stops17h 10m
United Airlines
Mon 9/217:46 am
BOS
- SAL
2 stops15h 03m
United Airlines
Deal found 7/29![United Airlines logo]()
$520
This Copa Airlines deal was found by Cheapflights users on 7/26. 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 9/174:54 am
SAL
- BOS
1 stop16h 08m
Copa Airlines
Mon 9/218:47 am
BOS
- SAL
1 stop16h 47m
Copa Airlines
Deal found 7/26![Copa Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/183:40 pm
SAL
- BOS
2 stops17h 39m
United Airlines
Fri 8/288:05 am
BOS
- SAL
2 stops14h 44m
United Airlines
Deal found 7/27![United Airlines logo]()
$531
This Copa Airlines deal was found by Cheapflights users on 7/29. 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 9/151:59 pm
SAL
- BOS
1 stop22h 30m
Copa Airlines
Mon 9/213:55 pm
BOS
- SAL
1 stop9h 39m
Copa Airlines
Deal found 7/29![Copa Airlines logo]()
$492
This Copa Airlines deal was found by Cheapflights users on 7/26. 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 9/201:59 pm
SAL
- BOS
1 stop22h 40m
Copa Airlines
Sun 9/278:47 am
BOS
- SAL
1 stop13h 44m
Copa Airlines
Deal found 7/26![Copa Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/236:00 am
SAL
- BOS
2 stops17h 10m
United Airlines
Mon 9/286:00 am
BOS
- SAL
3 stops16h 49m
United Airlines
Deal found 7/29![United Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/133:40 pm
SAL
- BOS
2 stops25h 39m
United Airlines
Thu 9/107:25 am
BOS
- SAL
1 stop15h 24m
United Airlines
Deal found 7/28![United Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/253:40 pm
SAL
- BOS
1 stop18h 44m
United Airlines
Thu 9/109:00 am
BOS
- SAL
2 stops13h 49m
United Airlines
Deal found 7/29![United Airlines logo]()
$542
Last-minute flights from San Salvador to BostonDiscover last-minute flight deals from San Salvador to Boston. Data last updated July 31, 2026 and is based on user searches.
Discover last-minute flight deals from San Salvador to Boston. Data last updated July 31, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/133:40 pm
SAL
- BOS
2 stops23h 56m
United Airlines
Thu 8/207:25 am
BOS
- SAL
1 stop9h 05m
United Airlines
Deal found 7/28![United Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/133:40 pm
SAL
- BOS
1 stop29h 58m
United Airlines
Thu 9/103:45 pm
BOS
- SAL
1 stop31h 04m
United Airlines
Deal found 7/25![United Airlines logo]()
$552
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/183:40 pm
SAL
- BOS
2 stops23h 56m
United Airlines
Thu 9/107:46 am
BOS
- SAL
2 stops15h 03m
United Airlines
Deal found 7/29![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 7/29. 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
Sat 9/126:00 am
BOS
- SAL
2 stops16h 49m
United Airlines
Deal found 7/29![United Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 7/29. 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 8/2012:29 pm
SAL
- BOS
2 stops19h 24m
American Airlines
Sun 9/207:33 pm
BOS
- SAL
2 stops17h 51m
American Airlines
Deal found 7/29![American Airlines logo]()
$540
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/306:00 am
BOS
- SAL
3 stops16h 49m
United Airlines
Deal found 7/29![United Airlines logo]()
$542
This American Airlines deal was found by Cheapflights users on 7/28. 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 8/2112:29 pm
SAL
- BOS
2 stops19h 10m
American Airlines
Sat 9/195:28 pm
BOS
- SAL
2 stops19h 56m
American Airlines
Deal found 7/28![American Airlines logo]()
$541
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 8/2412:29 pm
SAL
- BOS
2 stops19h 24m
American Airlines
Sat 8/295:51 am
BOS
- SAL
1 stop8h 57m
American Airlines
Deal found 7/30![American Airlines logo]()
$553
This American Airlines deal was found by Cheapflights users on 7/26. 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 8/2612:29 pm
SAL
- BOS
2 stops19h 24m
American Airlines
Wed 9/95:28 pm
BOS
- SAL
2 stops19h 56m
American Airlines
Deal found 7/26![American Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/293:40 pm
SAL
- BOS
1 stop18h 44m
United Airlines
Thu 9/101:41 pm
BOS
- SAL
1 stop9h 08m
United Airlines
Deal found 7/29![United Airlines logo]()
$538
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 8/3112:29 pm
SAL
- BOS
2 stops18h 15m
American Airlines
Wed 9/165:40 am
BOS
- SAL
1 stop7h 44m
American Airlines
Deal found 7/28![American Airlines logo]()
$547
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 July 31, 2026.
Search for one-way flight options from San Salvador to Boston. Find affordable one-way fares based on user searches. Data last updated July 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 10/19:12 am
SAL
- BOS
3 stops46h 17m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 10/69:12 am
SAL
- BOS
2 stops24h 57m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/17:32 pm
SAL
- BOS
3 stops59h 37m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/159:12 am
SAL
- BOS
2 stops24h 57m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/3011:15 am
SAL
- BOS
2 stops31h 35m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/279:12 am
SAL
- BOS
2 stops21h 57m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/299:12 am
SAL
- BOS
2 stops24h 38m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$383
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 July 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $475 (Copa Airlines) |
One-way from | $343 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $651 |
Good round-trip deal | $606 or less |
Good one-way deal | $405 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 July 31, 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
Quickest round-trip
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Wed 9/16
8:30 am-11:02 pm
1 stop12h 32m
Boston Logan Intl
Mon 9/21
3:55 pm-11:34 pm
1 stop9h 39m
$475
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Thu 9/17
4:54 am-11:02 pm
1 stop16h 08m
Boston Logan Intl
Mon 9/21
8:47 am-11:34 pm
1 stop16h 47m
$475
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Tue 9/15
1:59 pm-2:29 pm
1 stop22h 30m
Boston Logan Intl
Mon 9/21
3:55 pm-11:34 pm
1 stop9h 39m
$492
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Sun 9/20
1:59 pm-2:39 pm
1 stop22h 40m
Boston Logan Intl
Sun 9/27
8:47 am-8:31 pm
1 stop13h 44m
$492
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Tue 9/15
6:00 am-1:10 am
2 stops17h 10m
Boston Logan Intl
Mon 9/21
7:46 am-8:49 pm
2 stops15h 03m
$520
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Tue 8/18
3:40 pm-11:19 am
2 stops17h 39m
Boston Logan Intl
Fri 8/28
8:05 am-8:49 pm
2 stops14h 44m
$531
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Wed 9/23
6:00 am-1:10 am
2 stops17h 10m
Boston Logan Intl
Mon 9/28
6:00 am-8:49 pm
3 stops16h 49m
$542
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Thu 8/13
3:40 pm-7:19 pm
2 stops25h 39m
Boston Logan Intl
Thu 9/10
7:25 am-8:49 pm
1 stop15h 24m
$542
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Tue 8/25
3:40 pm-12:24 pm
1 stop18h 44m
Boston Logan Intl
Thu 9/10
9:00 am-8:49 pm
2 stops13h 49m
$542
Cheapest one-way
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Tue 9/15
1:57 pm-1:17 am
1 stop9h 20m
$403
Showing 1-10 of 18 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 July.
| 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 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, October is the cheapest month in which you can book a flight from San Salvador to Boston (average of $310). Flying from San Salvador to Boston in July is currently the most expensive (average of $651). 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 July 31, 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 5% 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 July 31, 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.
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
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
Cambridge
Concord
Randolph
Brockton
Seekonk
Hampton Beach
Cranston
Warwick
Peabody
Dedham
Auburn
York Beach
Chelsea
Londonderry
Swansea
Fitchburg
North Falmouth
Braintree
Revere
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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 July 31, 2026.
Complete your trip
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Search flights from San Salvador to Boston by cabin class
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San Salvador and Boston flights
Browse other San Salvador and Boston flight options. Last updated on July 31, 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 July 31, 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 July 31, 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$565 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$513 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$424 | Average$588 | FlexibilityNo cancel fee | On-time71% |