$305+ Cheap flights from San Salvador (SAL) to Boston (BOS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — BOS
Nov 29 — Dec 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 February or April, booked 55 days in advance, depart on a Saturday or Wednesday and return on a Wednesday
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 October 30, 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 October 30, 2026.
This Avianca deal was found by Cheapflights users on 10/28. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:45 am -
Nonstop5h 00m
Wed 11/183:40 pm -
Nonstop5h 35m
Deal found 10/28![Avianca logo]()
$571
This Avianca deal was found by Cheapflights users on 10/28. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:45 am -
Nonstop5h 00m
Sun 11/153:40 pm -
Nonstop5h 35m
Deal found 10/28![Avianca logo]()
$572
This Copa Airlines deal was found by Cheapflights users on 10/29. 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 12/204:57 am -
1 stop16h 05m
Wed 1/132:43 pm -
1 stop22h 57m
Deal found 10/29![Copa Airlines logo]()
$573
This Avianca deal was found by Cheapflights users on 10/25. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:45 am -
Nonstop5h 00m
Sun 11/83:40 pm -
Nonstop5h 35m
Deal found 10/25![Avianca logo]()
$581
This Copa Airlines deal was found by Cheapflights users on 10/27. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/154:57 am -
1 stop16h 05m
Wed 2/107:30 am -
1 stop17h 08m
Deal found 10/27![Copa Airlines logo]()
$589
This Copa Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 12/251:58 pm -
1 stop22h 25m
Thu 12/312:43 pm -
1 stop9h 52m
Deal found 10/29![Copa Airlines logo]()
$596
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/212:30 pm -
1 stop9h 40m
Tue 1/265:35 am -
1 stop9h 14m
Deal found 10/28![Delta logo]()
$599
This CheapOair deal was found by Cheapflights users on 10/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1812:35 pm -
1 stop18h 08m
Sat 1/28:28 am -
1 stop29h 33m
Deal found 10/28![Frontier logo]()
$603
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2610:10 am -
1 stop22h 20m
Sat 1/28:28 am -
1 stop29h 33m
Deal found 10/27![Frontier logo]()
$604
This Copa Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 11/107:30 am -
1 stop13h 31m
Tue 11/172:50 pm -
1 stop9h 45m
Deal found 10/30![Copa Airlines logo]()
$605
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 October 30, 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 October 30, 2026.
This Copa Airlines deal was found by Cheapflights users on 10/29. 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 12/204:57 am -
1 stop16h 05m
Wed 1/132:43 pm -
1 stop22h 57m
Deal found 10/29![Copa Airlines logo]()
$573
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/232:50 pm -
2 stops18h 27m
Sun 1/37:40 pm -
2 stops27h 05m
Deal found 10/29![United Airlines logo]()
$613
This Copa Airlines deal was found by Cheapflights users on 10/27. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/251:58 pm -
1 stop22h 25m
Thu 12/312:43 pm -
1 stop9h 52m
Deal found 10/27![Copa Airlines logo]()
$596
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Tue 12/152:05 am -
2 stops12h 47m
Wed 2/108:50 am -
1 stop14h 57m
Deal found 10/25![United Airlines logo]()
$613
This Copa Airlines deal was found by Cheapflights users on 10/25. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/241:43 pm -
1 stop22h 39m
Wed 2/247:30 am -
1 stop14h 09m
Deal found 10/25![Copa Airlines logo]()
$605
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/241:10 am -
1 stop8h 10m
Wed 12/306:38 pm -
2 stops29h 09m
Deal found 10/29![United Airlines logo]()
$625
This Copa Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 12/11:58 pm -
1 stop22h 25m
Thu 1/77:34 am -
1 stop14h 00m
Deal found 10/26![Copa Airlines logo]()
$605
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/2411:54 pm -
1 stop9h 57m
Tue 1/129:09 am -
2 stops13h 10m
Deal found 10/29![United Airlines logo]()
$625
This Copa Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 12/167:30 am -
1 stop13h 32m
Mon 1/112:43 pm -
1 stop22h 57m
Deal found 10/29![Copa Airlines logo]()
$605
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 11/27:00 am -
2 stops16h 46m
Sun 11/86:00 am -
1 stop17h 47m
Deal found 10/28![United Airlines logo]()
$633
This Copa Airlines deal was found by Cheapflights users on 10/25. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/231:43 pm -
1 stop22h 39m
Tue 2/237:30 am -
1 stop14h 09m
Deal found 10/25![Copa Airlines logo]()
$628
Last-minute flights from San Salvador to BostonDiscover last-minute flight deals from San Salvador to Boston. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Salvador to Boston. Data last updated October 30, 2026 and is based on user searches.
This Avianca deal was found by Cheapflights users on 10/28. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:45 am -
Nonstop5h 00m
Sun 11/153:40 pm -
Nonstop5h 35m
Deal found 10/28![Avianca logo]()
$572
This Avianca deal was found by Cheapflights users on 10/25. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:45 am -
Nonstop5h 00m
Sun 11/83:40 pm -
Nonstop5h 35m
Deal found 10/25![Avianca logo]()
$581
This Copa Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/67:30 am -
1 stop13h 31m
Sun 11/152:50 pm -
1 stop9h 45m
Deal found 10/29![Copa Airlines logo]()
$628
This Copa Airlines deal was found by Cheapflights users on 10/29. 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 11/107:30 am -
1 stop13h 31m
Tue 11/172:50 pm -
1 stop9h 45m
Deal found 10/29![Copa Airlines logo]()
$605
This Avianca deal was found by Cheapflights users on 10/28. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:45 am -
Nonstop5h 00m
Wed 11/183:40 pm -
Nonstop5h 35m
Deal found 10/28![Avianca logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Wed 11/117:30 am -
1 stop13h 31m
Mon 11/302:50 pm -
1 stop30h 50m
Deal found 10/30![Copa Airlines logo]()
$609
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/2411:54 pm -
2 stops16h 30m
Tue 1/129:45 am -
2 stops12h 34m
Deal found 10/29![United Airlines logo]()
$625
This Avianca deal was found by Cheapflights users on 10/27. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:45 am -
Nonstop5h 00m
Wed 12/23:40 pm -
Nonstop5h 35m
Deal found 10/27![Avianca logo]()
$621
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 October 30, 2026.
Search for one-way flight options from San Salvador to Boston. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This OneTravel deal was found by Cheapflights users on 10/27. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2312:35 pm -
1 stop18h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/87:47 pm -
3 stops36h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/273:14 pm -
1 stop8h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$326
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 2/811:54 pm -
1 stop11h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$330
This FlightHub deal was found by Cheapflights users on 10/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2912:35 pm -
1 stop18h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$331
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/222:05 am -
2 stops22h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![United Airlines logo]()
$335
This Super.com deal was found by Cheapflights users on 10/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:45 am -
Nonstop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Avianca logo]()
$355
This FlightHub deal was found by Cheapflights users on 10/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:45 am -
Nonstop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Avianca logo]()
$356
This Super.com deal was found by Cheapflights users on 10/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:45 am -
Nonstop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Avianca logo]()
$357
This Avianca deal was found by Cheapflights users on 10/29. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:45 am -
Nonstop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Avianca logo]()
$358
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Sun 2/2111:54 pm -
1 stop16h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$364
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $571 (Avianca) |
One-way from | $305 (OneTravel) |
Popular in | July |
Cheapest in | February |
Average price | $603 |
Good round-trip deal | $540 or less |
Good one-way deal | $507 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Salvador to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from San Salvador to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Mon 12/21
1:10 am-10:50 pm
2 stops20h 40m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$335
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Tue 12/22
2:05 am-1:18 am
2 stops22h 13m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$335
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Wed 11/18
2:39 pm-1:08 am
1 stop9h 29m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$396
Quickest round-trip
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Thu 11/19
2:39 pm-11:22 pm
1 stop7h 43m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$396
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Wed 11/4
2:57 pm-9:44 am
1 stop17h 47m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$396
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Sat 12/5
2:39 pm-1:10 am
1 stop9h 31m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$396
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Fri 11/13
2:39 pm-11:22 pm
1 stop7h 43m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$396
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Thu 11/5
2:57 pm-1:20 am
1 stop9h 23m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$396
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Tue 12/1
2:05 am-12:26 pm
1 stop9h 21m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$400
San SalvadorBoston
SAL San Salvador El Salvador Intl - BOS Boston Logan Intl
SALBOS
San Salvador El Salvador Intl
Fri 11/13
7:00 am-12:46 am
2 stops16h 46m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$400
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from San Salvador to Boston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Salvador to Boston in October.
| 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*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 90 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, February is the cheapest month in which you can book a flight from San Salvador to Boston (average of $436). Flying from San Salvador to Boston in July is currently the most expensive (average of $653). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SAL to BOS?
Find hourly flight availability from San Salvador to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
When flying from San Salvador to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from San Salvador to Boston delayed?
About 6% of weekly flights between San Salvador and Boston have experienced delays in the past year, with the average delay time being 75 minutes.
What is the most punctual flight time for San Salvador to Boston flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Salvador to Boston flights?
Over the last year, Avianca have had the lowest number of delays on this route, with just 3% of flights being delayed.
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated October 30, 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.
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from San Salvador to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Dedham
Cranston
Warwick
Pawtucket
Peabody
Fitchburg
Londonderry
York Beach
Revere
North Falmouth
Chelsea
Swansea
Braintree
Auburn
Sandwich
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San Salvador and Boston flights
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Top 5 airlines flying from San Salvador to Boston
Discover the top 5 airlines that operate flights from San Salvador to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$438 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$166 | Average$572 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$262 | Average$609 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$290 | Average$558 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$424 | Average$652 | FlexibilityNo cancel fee | On-time71% |