$165+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — BOS
Feb 28 — Mar 71
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 September, booked 79 days in advance, depart on a Friday or Wednesday and return on a Tuesday
Cheap flight deals from San Salvador to Boston
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 January 29, 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 January 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/244:02 pm
SAL
- BOS
1 stop30h 42m
Spirit Airlines
Tue 3/105:27 am
BOS
- SAL
1 stop10h 29m
Spirit Airlines
Deal found 1/26![Spirit Airlines logo]()
$261
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/302:57 pm
SAL
- BOS
1 stop7h 02m
Spirit Airlines
Sun 5/35:40 am
BOS
- SAL
1 stop10h 12m
Spirit Airlines
Deal found 1/28![Spirit Airlines logo]()
$268
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/244:02 pm
SAL
- BOS
2 stops22h 25m
Spirit Airlines
Tue 3/35:27 am
BOS
- SAL
1 stop10h 29m
Spirit Airlines
Deal found 1/27![Spirit Airlines logo]()
$269
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:34 am
SAL
- BOS
1 stop15h 25m
Multiple Airlines
Wed 3/115:50 pm
BOS
- SAL
1 stop17h 05m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/257:35 am
SAL
- BOS
1 stop8h 10m
Multiple Airlines
Tue 3/105:27 am
BOS
- SAL
1 stop10h 29m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/264:02 pm
SAL
- BOS
2 stops32h 11m
Multiple Airlines
Tue 3/105:27 am
BOS
- SAL
1 stop10h 29m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$283
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/262:53 pm
SAL
- BOS
1 stop7h 06m
Spirit Airlines
Thu 4/25:40 am
BOS
- SAL
1 stop10h 08m
Spirit Airlines
Deal found 1/27![Spirit Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/244:02 pm
SAL
- BOS
1 stop30h 42m
Spirit Airlines
Wed 3/116:10 pm
BOS
- SAL
1 stop21h 38m
Spirit Airlines
Deal found 1/26![Spirit Airlines logo]()
$286
This Priceline deal was found by Cheapflights users on 1/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:45 am
SAL
- BOS
Nonstop5h 05m
Multiple Airlines
Sun 4/265:40 am
BOS
- SAL
1 stop10h 12m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$287
This Avianca deal was found by Cheapflights users on 1/28. 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 2/67:45 am
SAL
- BOS
Nonstop5h 05m
Avianca
Sun 2/83:25 pm
BOS
- SAL
Nonstop5h 50m
Avianca
Deal found 1/28![Avianca logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 4/72:53 pm
SAL
- BOS
1 stop22h 35m
Spirit Airlines
Mon 4/135:49 pm
BOS
- SAL
1 stop21h 59m
Spirit Airlines
Deal found 1/26![Spirit Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 4/89:38 am
SAL
- BOS
2 stops27h 50m
Multiple Airlines
Sat 4/115:49 pm
BOS
- SAL
1 stop21h 59m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$296
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 January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $261 (Kiwi.com) |
One-way from | $165 (Cheapflightsfares) |
Popular in | April |
Cheapest in | October |
Average price | $484 |
Good round-trip deal | $238 or less |
Good one-way deal | $182 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 January 29, 2026.
Use the filters below to find and compare flights from San Salvador to Boston that are best for you.
Fly from
San Salvador
Fly to
Boston
Route
Depart
Return
Price
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Wed 2/25
7:35 am-4:45 pm
1 stop8h 10m
Boston Logan Intl
Tue 3/10
5:27 am-1:56 pm
1 stop10h 29m
$281
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Sun 3/15
2:53 pm-11:41 am
2 stops42h 48m
Boston Logan Intl
Tue 3/24
5:40 am-1:48 pm
1 stop10h 08m
$283
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Tue 7/21
7:45 am-2:50 pm
Nonstop5h 05m
Boston Logan Intl
Tue 8/4
5:40 am-1:52 pm
1 stop10h 12m
$299
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Thu 3/26
2:53 pm-3:28 pm
1 stop22h 35m
Boston Logan Intl
Sat 4/4
5:49 pm-1:48 pm
1 stop21h 59m
$301
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Tue 4/7
2:53 pm-3:28 pm
1 stop22h 35m
Boston Logan Intl
Sun 4/12
5:40 am-1:48 pm
1 stop10h 08m
$303
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Thu 5/7
7:30 am-11:08 pm
1 stop13h 38m
Boston Logan Intl
Sun 5/17
4:00 pm-11:36 pm
1 stop9h 36m
$309
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Wed 4/22
4:57 am-11:09 pm
1 stop16h 12m
Boston Logan Intl
Sun 4/26
3:51 pm-11:36 pm
1 stop9h 45m
$309
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Mon 5/18
7:30 am-11:08 pm
1 stop13h 38m
Boston Logan Intl
Wed 5/27
4:00 pm-11:36 pm
1 stop9h 36m
$309
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Fri 4/17
2:04 pm-11:58 pm
1 stop7h 54m
Boston Logan Intl
Mon 4/27
6:50 am-12:39 pm
1 stop7h 49m
$314
San SalvadorBoston
SAL - BOS
SALBOS
San Salvador El Salvador Intl
Fri 5/1
4:53 am-11:08 pm
1 stop16h 15m
Boston Logan Intl
Tue 5/12
4:00 pm-11:36 pm
1 stop9h 36m
$324
Showing 1-10 of 22 results
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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.
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?
Use this chart to determine the optimal time to book a round-trip flight from San Salvador to Boston. Price data was last updated on January 23, 2026.
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 79 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, August is the cheapest month in which you can book a flight from San Salvador to Boston (average of $115). Flying from San Salvador to Boston in July is currently the most expensive (average of $249). 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 January 29, 2026.
When flying from San Salvador to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from San Salvador to Boston delayed?
About 4% of weekly flights between San Salvador and Boston have experienced delays in the past year, with the average delay time being 96 minutes.
What is the most punctual flight time for San Salvador to Boston flights?
Historically, flights departing in the evening 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?
Wednesday 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 January 29, 2026.
Read through reviews of airlines operating flights from San Salvador to Boston, such as Copa Airlines, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.4
Crew
8.1
Boarding
7.8
Overall
7.5
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreJuan,Dec 2025
EZE - PTY
Comfort
7.4
Crew
8.1
Boarding
7.8
Overall
7.5
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreJuan,Dec 2025
EZE - PTY
Comfort
7.4
Crew
8.1
Boarding
7.8
Overall
7.5
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreJuan,Dec 2025
EZE - PTY
Comfort
7.4
Crew
8.1
Boarding
7.8
Overall
7.5
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreJuan,Dec 2025
EZE - PTY
Comfort
7.4
Crew
8.1
Boarding
7.8
Overall
7.5
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreJuan,Dec 2025
EZE - PTY
Comfort
7.4
Crew
8.1
Boarding
7.8
Overall
7.5
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreJuan,Dec 2025
EZE - PTY
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 locationsMedford
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Alternative routes for San Salvador to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from San Salvador to Boston
Discover the top 6 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 January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$152 | Average$367 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$152 | Average$400 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$297 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$250 | Average$447 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$396 | Average$656 | FlexibilityNo cancel fee | On-time71% |