$350+ Cheap flights from Boston (BOS) to San Salvador (SAL)
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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAL
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from Boston to San Salvador 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 Boston Logan Intl to San Salvador El Salvador Intl are usually found in March or April, booked 77 days in advance, depart on a Wednesday or Sunday and return on a Saturday
Cheap flight deals from Boston to San Salvador
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to San SalvadorExplore the most affordable flight options available from Boston to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
Explore the most affordable flight options available from Boston to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
This Copa Airlines deal was found by Cheapflights users on 11/5. 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 11/172:50 pm -
1 stop9h 45m
Thu 11/267:30 am -
1 stop13h 31m
Deal found 11/5![Copa Airlines logo]()
$630
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/313:31 pm -
1 stop8h 16m
Tue 1/264:40 pm -
1 stop18h 55m
Deal found 11/8![United Airlines logo]()
$631
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/319:10 am -
2 stops13h 35m
Wed 1/277:00 am -
2 stops11h 50m
Deal found 11/8![United Airlines logo]()
$636
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/307:40 pm -
1 stop28h 07m
Wed 2/1711:54 pm -
1 stop11h 25m
Deal found 11/8![United Airlines logo]()
$638
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/211:00 am -
1 stop12h 47m
Wed 4/1411:15 pm -
1 stop9h 24m
Deal found 11/9![United Airlines logo]()
$640
This Avianca deal was found by Cheapflights users on 11/8. 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.
Mon 11/163:40 pm -
Nonstop5h 35m
Wed 11/257:45 am -
Nonstop5h 00m
Deal found 11/8![Avianca logo]()
$643
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/76:00 am -
1 stop17h 47m
Mon 1/2511:54 pm -
1 stop17h 36m
Deal found 11/5![United Airlines logo]()
$647
This Avianca deal was found by Cheapflights users on 11/8. 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.
Mon 11/163:40 pm -
Nonstop5h 35m
Fri 11/207:45 am -
Nonstop5h 00m
Deal found 11/8![Avianca logo]()
$648
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Sun 11/2210:30 am -
1 stop13h 17m
Sat 12/511:54 pm -
1 stop11h 33m
Deal found 11/10![United Airlines logo]()
$649
This Copa Airlines deal was found by Cheapflights users on 11/6. 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 11/162:50 pm -
1 stop22h 50m
Sun 11/224:56 am -
1 stop16h 05m
Deal found 11/6![Copa Airlines logo]()
$650
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/46:00 am -
2 stops16h 45m
Tue 12/2911:54 pm -
1 stop11h 16m
Deal found 11/5![United Airlines logo]()
$652
Best flights from Boston to San SalvadorDiscover carefully curated flight deals from Boston to San Salvador that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
Discover carefully curated flight deals from Boston to San Salvador that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
This Copa Airlines deal was found by Cheapflights users on 11/5. 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 1/242:43 pm -
1 stop22h 57m
Wed 1/277:30 am -
1 stop13h 27m
Deal found 11/5![Copa Airlines logo]()
$619
This United Airlines deal was found by Cheapflights users on 11/6. 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 1/203:00 pm -
1 stop8h 47m
Mon 2/17:00 am -
1 stop15h 20m
Deal found 11/6![United Airlines logo]()
$631
This Copa Airlines deal was found by Cheapflights users on 11/9. 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 1/132:43 pm -
1 stop22h 57m
Wed 1/201:43 pm -
1 stop22h 39m
Deal found 11/9![Copa Airlines logo]()
$639
This United Airlines deal was found by Cheapflights users on 11/6. 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 1/22:32 pm -
1 stop8h 13m
Tue 2/164:40 pm -
1 stop18h 44m
Deal found 11/6![United Airlines logo]()
$647
This United Airlines deal was found by Cheapflights users on 11/6. 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 1/1512:26 pm -
1 stop11h 21m
Wed 1/204:40 pm -
2 stops24h 29m
Deal found 11/6![United Airlines logo]()
$652
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/299:00 am -
1 stop14h 47m
Wed 12/97:00 am -
1 stop8h 45m
Deal found 11/9![United Airlines logo]()
$662
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/303:41 pm -
1 stop8h 06m
Wed 12/911:54 pm -
1 stop14h 58m
Deal found 11/9![United Airlines logo]()
$662
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/169:30 am -
2 stops12h 49m
Fri 11/207:00 am -
1 stop8h 49m
Deal found 11/9![United Airlines logo]()
$662
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/410:00 am -
1 stop13h 47m
Sat 12/511:54 pm -
1 stop10h 05m
Deal found 11/9![United Airlines logo]()
$662
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/63:42 pm -
1 stop8h 05m
Sat 12/122:05 am -
2 stops11h 27m
Deal found 11/6![United Airlines logo]()
$667
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/277:15 am -
1 stop15h 04m
Wed 12/21:10 am -
2 stops16h 35m
Deal found 11/5![United Airlines logo]()
$667
This United Airlines deal was found by Cheapflights users on 11/7. 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 11/156:00 am -
3 stops16h 19m
Sun 11/2211:54 pm -
1 stop8h 23m
Deal found 11/7![United Airlines logo]()
$667
Last-minute flights from Boston to San SalvadorDiscover last-minute flight deals from Boston to San Salvador. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to San Salvador. Data last updated November 10, 2026 and is based on user searches.
This Avianca deal was found by Cheapflights users on 11/8. 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.
Mon 11/163:40 pm -
Nonstop5h 35m
Wed 11/257:45 am -
Nonstop5h 00m
Deal found 11/8![Avianca logo]()
$643
This Avianca deal was found by Cheapflights users on 11/8. 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.
Mon 11/163:40 pm -
Nonstop5h 35m
Fri 11/207:45 am -
Nonstop5h 00m
Deal found 11/8![Avianca logo]()
$648
This Copa Airlines deal was found by Cheapflights users on 11/6. 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 11/162:50 pm -
1 stop22h 50m
Sun 11/224:56 am -
1 stop16h 05m
Deal found 11/6![Copa Airlines logo]()
$650
This Copa Airlines deal was found by Cheapflights users on 11/5. 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 11/172:50 pm -
1 stop9h 45m
Tue 11/244:56 am -
1 stop16h 05m
Deal found 11/5![Copa Airlines logo]()
$630
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Sun 11/2210:30 am -
1 stop13h 17m
Sat 12/511:54 pm -
1 stop11h 33m
Deal found 11/10![United Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/211:00 am -
1 stop12h 47m
Wed 4/1411:15 pm -
1 stop9h 24m
Deal found 11/9![United Airlines logo]()
$640
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/411:00 am -
2 stops11h 45m
Mon 1/2511:54 pm -
1 stop8h 18m
Deal found 11/5![United Airlines logo]()
$652
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/711:00 am -
1 stop12h 47m
Tue 1/264:40 pm -
1 stop18h 55m
Deal found 11/5![United Airlines logo]()
$647
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/307:40 pm -
1 stop28h 07m
Wed 2/1711:54 pm -
1 stop11h 25m
Deal found 11/8![United Airlines logo]()
$638
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/319:30 am -
1 stop13h 15m
Thu 1/214:40 pm -
1 stop18h 55m
Deal found 11/8![United Airlines logo]()
$631
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/3111:44 am -
2 stops14h 11m
Mon 1/257:00 am -
2 stops11h 08m
Deal found 11/8![United Airlines logo]()
$636
One-way flights from Boston to San SalvadorSearch for one-way flight options from Boston to San Salvador. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
Search for one-way flight options from Boston to San Salvador. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 12/21:50 pm -
3 stops25h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Aeromexico logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 1/237:40 am -
3 stops55h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$352
This eDestinos deal was found by Cheapflights users on 11/9. 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.
Tue 12/11:50 pm -
3 stops25h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Aeromexico logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/98:45 am -
2 stops30h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Aeromexico logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 11/308:45 am -
2 stops30h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Aeromexico logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 12/87:40 am -
3 stops31h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 12/315:40 am -
3 stops18h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 12/61:50 pm -
3 stops25h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Aeromexico logo]()
$367
Find flight deals from Boston to San Salvador
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San Salvador (SAL). 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 November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $618 (Orbitz) |
One-way from | $350 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $582 |
Good round-trip deal | $605 or less |
Good one-way deal | $590 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to San Salvador 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 November 10, 2026.
Use the filters below to find and compare flights from Boston to San Salvador that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSan Salvador
BOS Boston Logan Intl - SAL San Salvador El Salvador Intl
BOSSAL
Boston Logan Intl
Sat 1/23
12:26 pm-3:24 pm
3 stops27h 58m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$354
BostonSan Salvador
BOS Boston Logan Intl - SAL San Salvador El Salvador Intl
BOSSAL
Boston Logan Intl
Mon 12/28
7:40 pm-10:47 pm
1 stop28h 07m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$422
BostonSan Salvador
BOS Boston Logan Intl - SAL San Salvador El Salvador Intl
BOSSAL
Boston Logan Intl
Tue 12/29
7:40 pm-9:45 pm
2 stops27h 05m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$426
BostonSan Salvador
BOS Boston Logan Intl - SAL San Salvador El Salvador Intl
BOSSAL
Boston Logan Intl
Thu 12/3
6:00 am-10:47 pm
2 stops17h 47m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$431
Quickest round-trip
BostonSan Salvador
BOS Boston Logan Intl - SAL San Salvador El Salvador Intl
BOSSAL
Boston Logan Intl
Wed 12/2
3:42 pm-10:47 pm
1 stop8h 05m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$431
BostonSan Salvador
BOS Boston Logan Intl - SAL San Salvador El Salvador Intl
BOSSAL
Boston Logan Intl
Mon 11/30
3:41 pm-10:47 pm
1 stop8h 06m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$431
BostonSan Salvador
BOS Boston Logan Intl - SAL San Salvador El Salvador Intl
BOSSAL
Boston Logan Intl
Tue 11/24
7:31 am-10:47 pm
2 stops16h 16m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$431
BostonSan Salvador
BOS Boston Logan Intl - SAL San Salvador El Salvador Intl
BOSSAL
Boston Logan Intl
Thu 11/26
5:30 am-9:19 pm
2 stops16h 49m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$437
BostonSan Salvador
BOS Boston Logan Intl - SAL San Salvador El Salvador Intl
BOSSAL
Boston Logan Intl
Sun 11/22
7:41 pm-9:19 pm
2 stops26h 38m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$437
BostonSan Salvador
BOS Boston Logan Intl - SAL San Salvador El Salvador Intl
BOSSAL
Boston Logan Intl
Sun 1/24
2:43 pm-12:40 pm
1 stop22h 57m
San Salvador El Salvador Intl
Wed 1/27
7:30 am-9:57 pm
1 stop13h 27m
$619
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Boston to San Salvador
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 Boston to San Salvador in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-San Salvador flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-San Salvador flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-San Salvador flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-San Salvador 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 Boston-San Salvador 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 Boston to San Salvador
Have a flexible travel schedule? Discover the best time to fly to San Salvador from Boston with our price prediction graph.
BOS-SAL
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 Boston to San Salvador
Prices
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How far ahead should I book a flight from Boston to San Salvador?
The price you pay for your flight from Boston to San Salvador may vary depending on when you book. For the best chance of a lower fare, look to book 76 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 Boston to San Salvador?
Currently, March is the cheapest month in which you can book a flight from Boston to San Salvador (average of $460). Flying from Boston to San Salvador in December is currently the most expensive (average of $800). 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 BOS to SAL?
Find hourly flight availability from Boston to San Salvador. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2026.
When flying from Boston to San Salvador, 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 Boston to San Salvador delayed?
About 16% of weekly flights between Boston and San Salvador have experienced delays in the past year, with the average delay time being 133 minutes.
What is the most punctual flight time for Boston to San Salvador flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Boston to San Salvador flights?
Over the last year, Avianca have had the lowest number of delays on this route, with just 14% of flights being delayed.
What’s the top layover airport for flights from Boston to San Salvador?
Share of 1-stop round-trip flights from Boston to San Salvador chosen by Cheapflights users in the past 12 months, using the same layover each way.
Houston (IAH) – chosen by Cheapflights users on 25% of 1-stop itineraries from Boston to San Salvador on Cheapflights.
What’s the cheapest layover airport for flights from Boston to San Salvador?
Average round-trip fare for 1-stop flights from Boston to San Salvador, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Washington, D.C. (IAD) is the most affordable 1-stop option, with an average round-trip price of $386.
What’s the fastest layover option from Boston to San Salvador?
Shortest average travel time for 1-stop one-way flights from Boston to San Salvador, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 7h 50m.
Which airport typically offers the quickest layover for flights from Boston to San Salvador?
Average layover duration for 1-stop one-way flights from Boston to San Salvador, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 1h 44m.
Reviews of airlines servicing San Salvador
Get insights into the airlines that provide service to San Salvador. 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 San Salvador. Reviews last updated November 10, 2026.
Read reviews from past customers who have flown Delta,Copa Airlines, andUnited Airlines from Boston to San Salvador. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Related info for your journey
Find useful and relevant information for your journey from Boston to San Salvador. 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 San Salvador?
Book flights to San Salvador if you plan to visit one of these locationsAcajutla
La Libertad
El Cuco
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Find flights from Boston to San Salvador, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and San Salvador flights
Browse other Boston and San Salvador flight options. Last updated on November 10, 2026.
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Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on November 10, 2026.
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Explore flights to San Salvador departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 10, 2026.
Top 8 airlines flying from Boston to San Salvador
Discover the top 8 airlines that operate flights from Boston to San Salvador. 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 November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$120 | Average$365 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$150 | Average$532 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$215 | Average$481 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$294 | Average$590 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$297 | Average$600 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$309 | Average$587 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$371 | Average$644 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$515 | Average$696 | FlexibilityNo cancel fee | On-time74% |