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San Salvador

$157+ Cheap flights from Boston (BOS) to San Salvador (SAL)

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAL
dic. 11 — dic. 181
jue. 12/11
jue. 12/18
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheapflights Tip: The best prices from Boston Logan Intl to San Salvador El Salvador Intl are usually found in October or September, booked 71 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap 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 noviembre 11, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$240
(American Airlines)

One-way from

$157
(Cheapflightsfares)

Popular in

December

Cheapest in

October

Average price

$461

Good round-trip deal

$341 or less

Good one-way deal

$198 or less
Provider with most accurate pricing for Boston Logan Intl-San Salvador El Salvador Intl flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-San Salvador El Salvador Intl flights.
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From Boston Logan Intl to San Salvador El Salvador Intl
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One-way flight from Boston Logan Intl to San Salvador El Salvador Intl
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Highest demand for flights based on searches. 15% potential increase in price ($94 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Boston Logan Intl to San Salvador El Salvador Intl.
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Price to beat on a one-way flight from Boston Logan Intl to San Salvador El Salvador Intl.
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Find flight deals from Boston to San Salvador

Cheapest flights from Boston to San Salvador
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 noviembre 11, 2025.

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/106:25 pmBOS - SAL
2 stops18h 55mAmerican Airlines
mié. 11/122:27 pmSAL - BOS
1 stop7h 38mAmerican Airlines
Deal found 11/8$244
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/58:11 pmBOS - SAL
2 stops18h 27mMultiple Airlines
vie. 12/127:45 amSAL - BOS
Nonstop5h 05mMultiple Airlines
Deal found 11/8$253
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/68:11 pmBOS - SAL
2 stops19h 37mMultiple Airlines
dom. 12/147:45 amSAL - BOS
Nonstop5h 05mMultiple Airlines
Deal found 11/10$262
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/58:11 pmBOS - SAL
2 stops18h 27mSpirit Airlines
sáb. 12/132:38 pmSAL - BOS
1 stop8h 18mSpirit Airlines
Deal found 11/9$269
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/78:11 pmBOS - SAL
2 stops19h 37mMultiple Airlines
dom. 12/147:45 amSAL - BOS
Nonstop5h 05mMultiple Airlines
Deal found 11/9$279
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/173:25 pmBOS - SAL
Nonstop5h 50mAvianca
lun. 11/247:45 amSAL - BOS
Nonstop5h 05mAvianca
Deal found 11/9$280
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/58:11 pmBOS - SAL
2 stops18h 27mSpirit Airlines
mié. 12/101:18 pmSAL - BOS
2 stops19h 45mSpirit Airlines
Deal found 11/9$283
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/58:11 pmBOS - SAL
2 stops18h 27mSpirit Airlines
vie. 12/123:52 pmSAL - BOS
2 stops26h 14mSpirit Airlines
Deal found 11/8$284
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/168:40 amBOS - SAL
2 stops29h 29mMultiple Airlines
dom. 11/237:45 amSAL - BOS
Nonstop5h 05mMultiple Airlines
Deal found 11/10$286
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/108:11 pmBOS - SAL
2 stops19h 37mMultiple Airlines
mié. 12/177:45 amSAL - BOS
Nonstop5h 05mMultiple Airlines
Deal found 11/10$292

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 2,558,603 searches. Data last updated noviembre 11, 2025.
Use the filters below to find and compare flights from Boston to San Salvador that are best for you.

Fly from

Boston

Fly to

San Salvador

Route

Depart

Return

Price

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

vie. 1/23

5:15 am-2:49 pm

1 stop10h 34m

San Salvador El Salvador Intl

mié. 2/4

1:31 pm-10:31 am

2 stops20h 00m

$244

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mié. 1/14

3:07 pm-11:36 pm

1 stop9h 29m

San Salvador El Salvador Intl

lun. 1/26

7:30 am-10:03 pm

1 stop13h 33m

$306

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

lun. 4/6

4:07 pm-11:36 pm

1 stop9h 29m

San Salvador El Salvador Intl

jue. 4/16

5:03 am-11:03 pm

1 stop16h 00m

$306

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

vie. 1/23

3:07 pm-11:36 pm

1 stop9h 29m

San Salvador El Salvador Intl

vie. 1/30

8:36 am-10:03 pm

1 stop12h 27m

$306

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

vie. 5/8

6:00 am-2:23 pm

2 stops10h 23m

San Salvador El Salvador Intl

mié. 5/20

3:30 pm-2:28 pm

1 stop20h 58m

$307

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

dom. 3/1

3:05 pm-11:37 pm

1 stop9h 32m

San Salvador El Salvador Intl

jue. 3/12

7:30 am-11:10 pm

1 stop13h 40m

$320

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mié. 2/11

1:30 pm-10:47 pm

1 stop10h 17m

San Salvador El Salvador Intl

mié. 2/18

6:55 am-6:13 pm

1 stop10h 18m

$350

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

jue. 12/11

5:45 am-2:48 pm

1 stop10h 03m

San Salvador El Salvador Intl

lun. 12/29

7:45 am-1:50 pm

Nonstop5h 05m

$368

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

jue. 12/4

2:44 pm-11:39 pm

1 stop9h 55m

San Salvador El Salvador Intl

jue. 12/11

5:00 am-10:40 pm

1 stop16h 40m

$370

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

vie. 1/16

3:07 pm-11:36 pm

1 stop9h 29m

San Salvador El Salvador Intl

vie. 1/30

5:03 am-10:03 pm

1 stop16h 00m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 19 results
1
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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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-San Salvador flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Boston-San Salvador flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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.
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

How far ahead should I book a flight from Boston to San Salvador?

Use this chart to determine the optimal time to book a round-trip flight from Boston to San Salvador. Price data was last updated on November 7, 2025.

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 71 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, September is the cheapest month in which you can book a flight from Boston to San Salvador (average of $123). Flying from Boston to San Salvador in April is currently the most expensive (average of $310). 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 noviembre 11, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 30% on flights from Boston to San Salvador by exploring options for tickets in the morning.

What is the cheapest day to fly from Boston to San Salvador?

Use this chart to determine the cheapest time to fly round-trip from Boston to San Salvador. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to San Salvador flight should consider departing on Thursday evenings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Boston to San Salvador?

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 noviembre 11, 2025.
Read reviews from past customers who have flown Delta, Copa Airlines, and United 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.
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Copa Airlines
7.6
Good
1,562 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,012 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,047 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Avianca
6.6
Okay
2,473 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How popular is this Boston to San Salvador flight route?

    This flight path from Boston Logan Intl to San Salvador El Salvador Intl was viewed by 49 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Boston to San Salvador?

    Airlines like American Airlines, Copa Airlines, and United Airlines fly from Boston to San Salvador in about 9h 29m. The time it takes to get you to your destination can typically vary by up to 1h 05m. Boston and San Salvador are separated by a distance of 2269 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Boston to San Salvador round-trip?

    According to our current data, Copa Airlines ($129), Spirit Airlines ($154), and Delta ($206) offers the cheapest pricing from Boston to San Salvador. You may be able to fly from Boston to San Salvador for 74% less than the average price by searching for these airlines.

  • What are the cheapest flights from Boston to San Salvador?

    While on average a flight from Boston to San Salvador is generally $387, our data shows the cheapest flight currently is $140. When looking at the most popular route, (Boston Logan Intl - San Salvador El Salvador Intl), you can expect to pay $249 for that flight.

  • Where are the most common layover locations when flying from Boston to San Salvador?

    Of the flights from Boston to San Salvador that have layovers, most of them stop in Miami. Panama City is the second most popular location for layovers on flights from Boston to San Salvador.

  • What are some popular things to do or see while on a layover in Miami?

    Kaseya Center, Bayfront Park, and Wynwood Art District are currently the most popular points of interest in Miami at the moment. Kaseya Center, Bayfront Park, and Wynwood Art District can be accessed by traveling approximately 6.2 mi, 6.4 mi, and 5.5 mi, respectively from Miami. Those on a layover in Miami in need of a rental car can book one at Miami for about $23.

  • What are some popular points of interest to see during a layover in Panama City?

    Most Panama City visitors opt to spend their time at Panama Old Cathedral, Amador Causeway, and Panama Canal. Those on a layover in Panama City interested in visiting Panama Old Cathedral, Amador Causeway, or Panama Canal can do so by traveling 13.2 mi, 14.7 mi, and 15.1 mi, respectively from Panama City Tocumen Intl. Those looking to explore during their layover in Panama City can rent a car from Panama City Tocumen Intl for about $9 per day.

  • Where are the least popular layover locations for Boston to San Salvador flights?

    Flights departing from Boston and landing in San Salvador layover in Atlanta least frequently.

  • Can I find deals for flights from Boston to San Salvador that include hotel bookings?

    Yes. In addition to deals on Boston to San Salvador flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to San Salvador?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to San Salvador.

  • Can I find deals for business class flights from Boston to San Salvador?

    Yes. Cheapflights offers flight deals from Boston to San Salvador by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to San Salvador?

    Currently, September is the cheapest month in which you can book a flight from Boston to San Salvador (average of $123). Flying from Boston to San Salvador in April is currently the most expensive (average of $310). 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.

See more FAQs

Traveling to a place near San Salvador?

Book flights to San Salvador if you plan to visit one of these locations
Sonsonate
El Cuco
La Libertad
Acajutla

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Alternative routes for Boston to San Salvador

See prices for flight routes from nearby airports that may be better suited for you.
Hartford to San Salvador flights
Albany to San Salvador flights
Worcester to San Salvador flights

Top 7 airlines flying from Boston to San Salvador

Discover the top 7 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 2,558,603 searches. Data last updated noviembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$129Average$396FlexibilityNo cancel feeOn-time70%
Spirit AirlinesCheapest$154Average$354FlexibilityNo cancel feeOn-time65%
DeltaCheapest$206Average$525FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$220Average$537FlexibilityNo cancel feeOn-time69%
AviancaCheapest$278Average$542FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$316Average$587FlexibilityNo cancel feeOn-time71%
FrontierCheapest$413Average$877FlexibilityNo cancel feeOn-time62%

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