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 15% of flights being delayed.

What’s the cheapest layover airport for flights from Boston to San Salvador?

Fort Lauderdale (FLL) is the most affordable 1-stop option, with an average round-trip price of $273.

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 Friday has historically faced a higher average of delays compared to other days of the week.

Which airport typically offers the quickest layover for flights from Boston to San Salvador?

Flights via Panama City (PTY) offer the fastest connection on this route, with an average layover time of 1h 23m.

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.

How often are flights from Boston to San Salvador delayed?

About 18% of weekly flights between Boston and San Salvador have experienced delays in the past year, with the average delay time being 110 minutes.

What’s the top layover airport for flights from Boston to San Salvador?

Fort Lauderdale (FLL) – chosen by Cheapflights users on 50% of 1-stop itineraries from Boston to San Salvador on Cheapflights.

What’s the fastest layover option from Boston to San Salvador?

Flights via Fort Lauderdale (FLL) have the shortest average one-way travel time for 1-stop routes: 8h 29m.

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 41 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 United Airlines and Spirit Airlines fly from Boston to San Salvador in about 9h 19m. The time it takes to get you to your destination can typically vary by up to 59m. 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 ($92), Spirit Airlines ($117), and Delta ($145) offers the cheapest pricing from Boston to San Salvador. You may be able to fly from Boston to San Salvador for 81% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Boston to San Salvador one-way?

One-way options have recently been found by users for as low as $84 on Delta. Other airlines that offer cheap prices include Copa Airlines from $92 and United Airlines from $94 one-way.

In terms of precipitation, rainfall in San Salvador ranges from 0.0 - 13.0 inches per month. August is typically the wettest month, when rainfall can reach 13.0 in. February is typically the driest time to visit San Salvador when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Salvador, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

What are the cheapest flights from Boston to San Salvador?

While on average a flight from Boston to San Salvador is generally $539, our data shows the cheapest flight currently is $164. When looking at the most popular route, (Boston Logan Intl - San Salvador El Salvador Intl), you can expect to pay $208 for that flight.

What are the most popular airlines that fly from Boston to San Salvador?

Before booking your flight from Boston to San Salvador check out the most popular airlines for this route: Avianca, American Airlines or United Airlines.

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.

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.

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

Kaseya Center, Bayfront Park, and Bayside Marketplace are currently the most popular points of interest in Miami at the moment. Kaseya Center, Bayfront Park, and Bayside Marketplace can be accessed by traveling approximately 6.2 mi, 6.4 mi, and 6.4 mi, respectively from Miami. Those on a layover in Miami in need of a rental car can book one at Miami for about $27.

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 $15 per day.

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

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.

$162+ Flights from Boston to San Salvador

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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 46 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap 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 December 25, 2025.

Tue 12/306:30 pmBOS - SAL

2 stops18h 45mAmerican Airlines

Sat 1/173:49 pmSAL - BOS

2 stops18h 32mAmerican Airlines

Deal found 12/23

$310

Wed 12/316:00 amBOS - SAL

2 stops33h 47mMultiple Airlines

Mon 1/127:21 pmSAL - BOS

1 stop19h 58mMultiple Airlines

Deal found 12/23

$327

Wed 12/313:25 pmBOS - SAL

Nonstop5h 50mMultiple Airlines

Tue 1/134:02 pmSAL - BOS

2 stops21h 36mMultiple Airlines

Deal found 12/23

$378

Wed 12/314:20 pmBOS - SAL

1 stop9h 16mUnited Airlines

Tue 1/134:40 pmSAL - BOS

1 stop18h 39mUnited Airlines

Deal found 12/22

$415

Tue 12/3010:37 amBOS - SAL

1 stop26h 19mFrontier

Sat 1/172:52 pmSAL - BOS

1 stop9h 21mFrontier

Deal found 12/25

$449

Sun 12/286:00 amBOS - SAL

1 stop30h 56mFrontier

Wed 12/311:06 pmSAL - BOS

1 stop11h 08mFrontier

Deal found 12/23

$452

Best flights from Boston to San Salvador
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 December 25, 2025.

Tue 2/37:05 amBOS - SAL

1 stop9h 19mUnited Airlines

Wed 2/116:55 amSAL - BOS

1 stop10h 06mUnited Airlines

Deal found 12/25

$280

Tue 1/135:34 amBOS - SAL

1 stop10h 18mSpirit Airlines

Thu 1/224:02 pmSAL - BOS

2 stops21h 36mSpirit Airlines

Deal found 12/22

$280

Fri 1/233:07 pmBOS - SAL

1 stop9h 29mCopa Airlines

Wed 2/45:02 amSAL - BOS

1 stop16h 01mCopa Airlines

Deal found 12/23

$288

Sat 1/317:22 pmBOS - SAL

2 stops18h 57mUnited Airlines

Wed 2/186:55 amSAL - BOS

2 stops13h 56mUnited Airlines

Deal found 12/25

$284

Thu 1/223:07 pmBOS - SAL

1 stop9h 29mCopa Airlines

Tue 1/278:36 amSAL - BOS

1 stop12h 27mCopa Airlines

Deal found 12/22

$288

Sun 2/17:05 amBOS - SAL

1 stop15h 14mUnited Airlines

Wed 2/116:55 amSAL - BOS

2 stops15h 54mUnited Airlines

Deal found 12/25

$284

Sat 2/217:19 pmBOS - SAL

2 stops21h 05mUnited Airlines

Wed 2/254:40 pmSAL - BOS

2 stops17h 09mUnited Airlines

Deal found 12/23

$284

Sun 2/15:45 amBOS - SAL

2 stops16h 34mUnited Airlines

Wed 2/186:55 amSAL - BOS

2 stops13h 56mUnited Airlines

Deal found 12/25

$284

Sun 2/227:45 amBOS - SAL

2 stops30h 34mUnited Airlines

Wed 2/254:40 pmSAL - BOS

2 stops25h 57mUnited Airlines

Deal found 12/23

$284

Mon 2/27:07 pmBOS - SAL

2 stops21h 17mUnited Airlines

Wed 2/116:55 amSAL - BOS

1 stop10h 06mUnited Airlines

Deal found 12/25

$284

Sun 2/17:05 amBOS - SAL

1 stop15h 14mUnited Airlines

Fri 2/136:55 amSAL - BOS

1 stop13h 36mUnited Airlines

Deal found 12/25

$285

Last-minute flights from Boston to San Salvador
Discover last-minute flight deals from Boston to San Salvador. Data last updated December 25, 2025 and is based on user searches.

Mon 1/55:45 amBOS - SAL

1 stop10h 02mMultiple Airlines

Wed 1/217:34 amSAL - BOS

3 stops30h 04mMultiple Airlines

Deal found 12/22

$281

Thu 1/85:34 amBOS - SAL

1 stop10h 18mSpirit Airlines

Thu 2/54:02 pmSAL - BOS

1 stop23h 26mSpirit Airlines

Deal found 12/23

$287

Sat 1/106:00 amBOS - SAL

1 stop8h 31mFrontier

Sat 1/172:52 pmSAL - BOS

1 stop9h 21mFrontier

Deal found 12/24

$279

Mon 1/126:00 amBOS - SAL

2 stops33h 52mMultiple Airlines

Wed 1/287:45 amSAL - BOS

Nonstop5h 05mMultiple Airlines

Deal found 12/24

$278

Tue 1/135:34 amBOS - SAL

1 stop10h 18mMultiple Airlines

Fri 1/2311:23 amSAL - BOS

2 stops12h 50mMultiple Airlines

Deal found 12/22

$275

Tue 1/135:34 amBOS - SAL

1 stop10h 18mSpirit Airlines

Tue 1/204:02 pmSAL - BOS

2 stops21h 36mSpirit Airlines

Deal found 12/22

$280

Wed 1/146:00 amBOS - SAL

2 stops14h 40mMultiple Airlines

Wed 1/212:36 pmSAL - BOS

1 stop9h 27mMultiple Airlines

Deal found 12/22

$276

Fri 1/235:23 pmBOS - SAL

1 stop18h 06mMultiple Airlines

Mon 2/27:45 amSAL - BOS

Nonstop5h 05mMultiple Airlines

Deal found 12/25

$285

Thu 1/297:07 pmBOS - SAL

2 stops19h 12mUnited Airlines

Wed 2/116:55 amSAL - BOS

2 stops13h 57mUnited Airlines

Deal found 12/25

$284

Fri 1/305:23 pmBOS - SAL

1 stop18h 06mMultiple Airlines

Fri 2/67:45 amSAL - BOS

Nonstop5h 05mMultiple Airlines

Deal found 12/25

$277

Sat 1/315:27 pmBOS - SAL

1 stop22h 25mMultiple Airlines

Sun 2/87:45 amSAL - BOS

Nonstop5h 05mMultiple Airlines

Deal found 12/25

$282

One-way flights from Boston to San Salvador
Search for one-way flight options from Boston to San Salvador. Find affordable one-way fares based on user searches. Data last updated December 25, 2025.

Sat 5/239:10 amBOS - SAL

2 stops11h 15mAmerican Airlines

Deal found 12/23

$162

Sun 1/45:45 amBOS - SAL

1 stop10h 02mSpirit Airlines

Deal found 12/22

$163

Thu 1/155:23 pmBOS - SAL

2 stops42h 05mSpirit Airlines

Deal found 12/23

$164

Sat 1/35:45 amBOS - SAL

1 stop9h 04mSpirit Airlines

Deal found 12/22

$169

Wed 1/145:34 amBOS - SAL

3 stops28h 21mMultiple Airlines

Deal found 12/23

$170

Wed 2/182:23 pmBOS - SAL

3 stops25h 33mSpirit Airlines

Deal found 12/25

$174

Tue 5/58:52 amBOS - SAL

3 stops26h 36mSpirit Airlines

Deal found 12/23

$176

Fri 5/87:40 amBOS - SAL

1 stop8h 50mUnited Airlines

Deal found 12/23

$179

Tue 12/306:30 pmBOS - SAL

2 stops18h 45mAmerican Airlines

Deal found 12/22

$185

Find flight deals from Boston to San Salvador

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$274 (American Airlines)
One-way from	$162 (American Airlines)
Popular in	December
Cheapest in	October
Average price	$793
Good round-trip deal	$347 or less
Good one-way deal	$224 or less

Provider with most accurate pricing for Boston Logan Intl-San Salvador El Salvador Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boston Logan Intl-San Salvador El Salvador Intl flights.

Search Deals

From Boston Logan Intl to San Salvador El Salvador Intl

Search Deals

One-way flight from Boston Logan Intl to San Salvador El Salvador Intl

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($73 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Boston Logan Intl to San Salvador El Salvador Intl.

Search Deals

Price to beat on a one-way flight from Boston Logan Intl to San Salvador El Salvador Intl.

Search Deals

Cheapflights Fare Finder

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

Price

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Tue 2/3

7:05 am-3:24 pm

1 stop9h 19m

San Salvador El Salvador Intl

Wed 2/11

6:55 am-6:01 pm

1 stop10h 06m

$280

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Tue 1/13

5:34 am-2:52 pm

1 stop10h 18m

San Salvador El Salvador Intl

Thu 1/22

4:02 pm-2:38 pm

2 stops21h 36m

$280

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sat 1/31

7:22 pm-1:19 pm

2 stops18h 57m

San Salvador El Salvador Intl

Wed 2/18

6:55 am-9:51 pm

2 stops13h 56m

$284

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sun 2/1

7:05 am-9:19 pm

1 stop15h 14m

San Salvador El Salvador Intl

Wed 2/11

6:55 am-11:49 pm

2 stops15h 54m

$284

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sat 2/21

7:19 pm-3:24 pm

2 stops21h 05m

San Salvador El Salvador Intl

Wed 2/25

4:40 pm-10:49 am

2 stops17h 09m

$284

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sun 2/1

5:45 am-9:19 pm

2 stops16h 34m

San Salvador El Salvador Intl

Wed 2/18

6:55 am-9:51 pm

2 stops13h 56m

$284

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sun 2/22

7:45 am-1:19 pm

2 stops30h 34m

San Salvador El Salvador Intl

Wed 2/25

4:40 pm-7:37 pm

2 stops25h 57m

$284

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Mon 2/2

7:07 pm-3:24 pm

2 stops21h 17m

San Salvador El Salvador Intl

Wed 2/11

6:55 am-6:01 pm

1 stop10h 06m

$284

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sun 2/1

7:05 am-9:19 pm

1 stop15h 14m

San Salvador El Salvador Intl

Fri 2/13

6:55 am-9:31 pm

1 stop13h 36m

$285

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Fri 1/23

3:07 pm-11:36 pm

1 stop9h 29m

San Salvador El Salvador Intl

Wed 2/4

5:02 am-10:03 pm

1 stop16h 01m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 20 results

Compare providers for flights from Boston to San Salvador

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars

*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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Boston-San Salvador flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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

Prices

Delays

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 46 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 $294). 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?

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 afternoon.

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

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. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San Salvador

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

8,012 reviews

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

8,012 reviews

Delta

7.9

Good

8,012 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Copa Airlines

7.6

Good

1,559 reviews

Delta

7.9

Good

8,012 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,114 reviews

Delta

7.9

Good

8,012 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,057 reviews

Delta

7.9

Good

8,012 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Avianca

6.6

Okay

2,489 reviews

Delta

7.9

Good

8,012 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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 41 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 United Airlines and Spirit Airlines fly from Boston to San Salvador in about 9h 19m. The time it takes to get you to your destination can typically vary by up to 59m. 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 ($92), Spirit Airlines ($117), and Delta ($145) offers the cheapest pricing from Boston to San Salvador. You may be able to fly from Boston to San Salvador for 81% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Boston to San Salvador one-way?
One-way options have recently been found by users for as low as $84 on Delta. Other airlines that offer cheap prices include Copa Airlines from $92 and United Airlines from $94 one-way.
What are the cheapest flights from Boston to San Salvador?
While on average a flight from Boston to San Salvador is generally $539, our data shows the cheapest flight currently is $164. When looking at the most popular route, (Boston Logan Intl - San Salvador El Salvador Intl), you can expect to pay $208 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 Bayside Marketplace are currently the most popular points of interest in Miami at the moment. Kaseya Center, Bayfront Park, and Bayside Marketplace can be accessed by traveling approximately 6.2 mi, 6.4 mi, and 6.4 mi, respectively from Miami. Those on a layover in Miami in need of a rental car can book one at Miami for about $27.
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 $15 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 $294). 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

Acajutla

Sonsonate

El Cuco

La Libertad

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Top 7 airlines flying from Boston to San Salvador

Airline	Cheapest	Average	Flexibility	On-time
Copa Airlines	Cheapest$110	Average$347	FlexibilityNo cancel fee	On-time70%
Spirit Airlines	Cheapest$131	Average$355	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$154	Average$494	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$210	Average$500	FlexibilityNo cancel fee	On-time69%
Frontier	Cheapest$225	Average$877	FlexibilityNo cancel fee	On-time62%
Avianca	Cheapest$275	Average$514	FlexibilityNo cancel fee	On-time71%
American Airlines	Cheapest$298	Average$572	FlexibilityNo cancel fee	On-time71%

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$162+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.

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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 46 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap flight deals from Boston to San Salvador

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 December 25, 2025.

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 December 25, 2025.

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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 December.

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.

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?

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

What is the cheapest time of day to fly from BOS to SAL?

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How often are flights from Boston to San Salvador delayed?

What is the most punctual flight time for Boston to San Salvador flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Boston to San Salvador flights?

What’s the top layover airport for flights from Boston to San Salvador?

What’s the cheapest layover airport for flights from Boston to San Salvador?

What’s the fastest layover option from Boston to San Salvador?

Which airport typically offers the quickest layover for flights from Boston to San Salvador?

Reviews of airlines servicing San Salvador

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.

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?

How long is the flight from Boston to San Salvador?

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

What are the cheapest airlines to fly from Boston to San Salvador one-way?

What are the cheapest flights from Boston to San Salvador?

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

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

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

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

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

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

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

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

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Alternative routes for Boston to San Salvador

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Top 7 airlines flying from Boston to San Salvador

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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 December 25, 2025.