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San Salvador

$192+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAL
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
1 adult, Economy
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Find cheap flights from Boston to San Salvador with Cheapflights

1. Tell us where you want to go

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

2. Select your favorite providers

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3. Compare prices and book

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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 Monday 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 10, 2025.

This United Airlines deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/91:35 pmBOS - SAL
1 stop10h 12mUnited Airlines
Wed 12/171:10 amSAL - BOS
1 stop8h 27mUnited Airlines
Deal found 12/7$315
This United Airlines deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:00 amBOS - SAL
2 stops16h 19mUnited Airlines
Mon 12/226:55 amSAL - BOS
1 stop15h 43mUnited Airlines
Deal found 12/7$319
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:40 amBOS - SAL
1 stop8h 31mDelta
Thu 12/182:26 pmSAL - BOS
1 stop10h 01mDelta
Deal found 12/10$340
This United Airlines deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/91:35 pmBOS - SAL
1 stop10h 12mUnited Airlines
Thu 12/182:00 amSAL - BOS
1 stop12h 14mUnited Airlines
Deal found 12/7$345
This United Airlines deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:35 pmBOS - SAL
1 stop10h 12mUnited Airlines
Sun 12/141:10 amSAL - BOS
1 stop8h 28mUnited Airlines
Deal found 12/8$360
This Copa Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/92:44 pmBOS - SAL
1 stop9h 55mCopa Airlines
Sat 12/135:00 amSAL - BOS
1 stop16h 40mCopa Airlines
Deal found 12/9$362
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/101:35 pmBOS - SAL
1 stop10h 12mUnited Airlines
Sun 12/141:10 amSAL - BOS
2 stops10h 19mUnited Airlines
Deal found 12/9$364
This Priceline deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:40 amBOS - SAL
1 stop12h 25mAvianca
Fri 12/197:45 amSAL - BOS
Nonstop5h 05mAvianca
Deal found 12/7$365
This United Airlines deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/91:35 pmBOS - SAL
1 stop10h 12mUnited Airlines
Sat 12/2011:54 pmSAL - BOS
1 stop8h 24mUnited Airlines
Deal found 12/7$369
This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:45 amBOS - SAL
1 stop10h 03mMultiple Airlines
Wed 12/177:45 amSAL - BOS
Nonstop5h 05mMultiple Airlines
Deal found 12/7$386
This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:45 amBOS - SAL
1 stop10h 03mMultiple Airlines
Fri 12/197:45 amSAL - BOS
Nonstop5h 05mMultiple Airlines
Deal found 12/7$387

Find flight deals from Boston to San Salvador

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San Salvador (SAL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 10, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$260
(Frontier)

One-way from

$192
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$796

Good round-trip deal

$329 or less

Good one-way deal

$240 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.
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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 ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% 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

 
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 December 10, 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

Tue 3/10

7:15 am-2:24 pm

1 stop9h 09m

San Salvador El Salvador Intl

Tue 3/24

3:40 pm-12:07 pm

1 stop18h 27m

$280

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Thu 2/26

5:35 am-3:24 pm

2 stops10h 49m

San Salvador El Salvador Intl

Wed 3/4

4:40 pm-10:49 am

2 stops17h 09m

$284

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

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Tue 3/10

4:05 pm-11:37 pm

1 stop9h 32m

San Salvador El Salvador Intl

Tue 3/24

8:35 am-11:10 pm

1 stop12h 35m

$288

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Tue 2/10

3:07 pm-11:37 pm

1 stop9h 30m

San Salvador El Salvador Intl

Mon 2/16

5:02 am-10:03 pm

1 stop16h 01m

$288

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sun 2/8

3:25 pm-8:15 pm

Nonstop5h 50m

San Salvador El Salvador Intl

Fri 2/13

7:45 am-1:50 pm

Nonstop5h 05m

$289

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Wed 1/21

7:31 am-11:36 pm

1 stop17h 05m

San Salvador El Salvador Intl

Mon 1/26

5:03 am-10:03 pm

1 stop16h 00m

$297

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Mon 1/19

7:31 am-8:38 pm

1 stop14h 07m

San Salvador El Salvador Intl

Fri 2/6

8:35 am-10:03 pm

1 stop12h 28m

$297

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Wed 12/31

3:25 pm-8:15 pm

Nonstop5h 50m

$231

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Mon 12/29

8:08 am-2:47 pm

3 stops55h 39m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 19 results
1
2

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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
OvagoPrice Accuracy2 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust 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

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 December 5, 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 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 $296). 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 December 10, 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.

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 December 10, 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
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
1,557 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
9,092 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
2,478 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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 45 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 Copa Airlines fly from Boston to San Salvador in about 9h 09m. The time it takes to get you to your destination can typically vary by up to 20m. 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 $478, our data shows the cheapest flight currently is $186. When looking at the most popular route, (Boston Logan Intl - San Salvador El Salvador Intl), you can expect to pay $224 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 $28.

  • 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 $12 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 $296). 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
Acajutla
Sonsonate
El Cuco
La Libertad

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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.
Albany to San Salvador flights
Hartford 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 December 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$111Average$348FlexibilityNo cancel feeOn-time70%
Spirit AirlinesCheapest$145Average$339FlexibilityNo cancel feeOn-time65%
DeltaCheapest$172Average$496FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$219Average$508FlexibilityNo cancel feeOn-time69%
AviancaCheapest$276Average$517FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$313Average$572FlexibilityNo cancel feeOn-time71%
FrontierCheapest$330Average$877FlexibilityNo cancel feeOn-time62%

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