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San Salvador

$90+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAL
may. 6 — may. 131
mar. 5/6
mar. 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to San Salvador El Salvador Intl are usually found in September or October, booked 53 days in advance, depart on a Tuesday or Monday and return on a Saturday

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 mayo 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$289
(Cheapflightsfares)

One-way from

$90
(Priceline)

Popular in

December

Cheapest in

September

Average price

$394

Good round-trip deal

$393 or less

Good one-way deal

$163 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. 17% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in May 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 mayo 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/164:50 pmBOS - SAL
Nonstop5h 25mAvianca
lun. 6/237:45 amSAL - BOS
Nonstop5h 10mAvianca
Deal found 4/30$289
This Copa Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/48:47 amBOS - SAL
1 stop16h 50mCopa Airlines
jue. 6/198:30 amSAL - BOS
1 stop8h 56mCopa Airlines
Deal found 4/29$290
This Trip.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/144:50 pmBOS - SAL
Nonstop5h 25mMultiple Airlines
mié. 5/218:10 amSAL - BOS
2 stops13h 19mMultiple Airlines
Deal found 4/29$292
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/246:26 pmBOS - SAL
2 stops19h 04mAmerican Airlines
vie. 8/226:00 amSAL - BOS
1 stop12h 54mAmerican Airlines
Deal found 4/30$323
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/184:44 pmBOS - SAL
1 stop21h 25mSpirit Airlines
dom. 6/221:14 pmSAL - BOS
1 stop24h 23mSpirit Airlines
Deal found 4/29$342
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/275:30 amBOS - SAL
1 stop17h 13mUnited Airlines
lun. 6/21:15 amSAL - BOS
1 stop9h 12mUnited Airlines
Deal found 4/29$350
This Vliegwinkel deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/267:00 amBOS - SAL
1 stop16h 35mBrussels Airlines
mar. 6/31:15 amSAL - BOS
1 stop18h 45mBrussels Airlines
Deal found 4/29$363
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/285:40 amBOS - SAL
1 stop8h 10mDelta
mié. 6/41:05 pmSAL - BOS
1 stop9h 28mDelta
Deal found 4/29$425

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 mayo 1, 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

lun. 6/16

4:50 pm-8:15 pm

Nonstop5h 25m

San Salvador El Salvador Intl

lun. 6/23

7:45 am-2:55 pm

Nonstop5h 10m

$289

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mié. 6/4

8:47 am-11:37 pm

1 stop16h 50m

San Salvador El Salvador Intl

jue. 6/19

8:30 am-7:26 pm

1 stop8h 56m

$290

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mié. 5/14

4:50 pm-8:15 pm

Nonstop5h 25m

San Salvador El Salvador Intl

mié. 5/21

8:10 am-11:29 pm

2 stops13h 19m

$292

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mar. 6/24

6:26 pm-11:30 am

2 stops19h 04m

San Salvador El Salvador Intl

vie. 8/22

6:00 am-9:50 pm

2 stops13h 50m

$323

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mié. 6/18

4:44 pm-12:09 pm

1 stop21h 25m

San Salvador El Salvador Intl

dom. 6/22

1:14 pm-3:37 pm

1 stop24h 23m

$342

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mar. 5/27

5:30 am-8:43 pm

1 stop17h 13m

San Salvador El Salvador Intl

mar. 6/3

11:45 pm-5:41 pm

1 stop15h 56m

$350

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

lun. 5/26

7:00 am-9:35 pm

1 stop16h 35m

San Salvador El Salvador Intl

mar. 6/3

1:15 am-10:00 pm

1 stop18h 45m

$363

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mié. 5/28

5:40 am-11:50 am

1 stop8h 10m

San Salvador El Salvador Intl

mié. 6/4

1:05 pm-12:33 am

1 stop9h 28m

$425

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

lun. 6/2

4:50 pm-8:15 pm

Nonstop5h 25m

$90

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mar. 6/10

3:55 pm-11:37 pm

1 stop9h 42m

$92

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 16 results
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-San Salvador flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 25, 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 53 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 $260). Flying from Boston to San Salvador in December is currently the most expensive (average of $588). 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 mayo 1, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 15% on flights from Boston to San Salvador by exploring options for tickets in the evening.

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 Tuesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Salvador by month

Plan your trip to San Salvador by taking into account the average rainfall totals by month.

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.

Temperature in San Salvador by month

Plan your trip to San Salvador by taking into account the average temperature totals by month.

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).

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 mayo 1, 2025.
Peruse reviews from past customers who have flown with Delta, Copa Airlines and United Airlines from Boston to San Salvador to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.5
Good
1,414 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Brussels Airlines
7.4
Good
346 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 79 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    According to our current data, Avianca ($289), Copa Airlines ($290), and American Airlines ($323) offers the cheapest pricing from Boston to San Salvador. You may be able to fly from Boston to San Salvador for 43% 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 $90 on Avianca. Other airlines that offer cheap prices include Copa Airlines from $92 and American Airlines from $110 one-way.

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

    While on average a flight from Boston to San Salvador is generally $678, our data shows the cheapest flight currently is $117. 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.

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

    Wynwood Art District, Bayfront Park, and Bayside Marketplace are currently the most popular points of interest in Miami at the moment. Wynwood Art District, Bayfront Park, and Bayside Marketplace can be accessed by traveling approximately 5.5 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 $24.

  • 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 $260). Flying from Boston to San Salvador in December is currently the most expensive (average of $588). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Sonsonate
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 6 airlines flying from Boston to San Salvador

Discover the top 6 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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$163Average$427FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$220Average$643FlexibilityNo cancel feeOn-time69%
AviancaCheapest$264Average$528FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$285Average$448FlexibilityNo cancel feeOn-time70%
DeltaCheapest$288Average$529FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$316Average$580FlexibilityNo cancel feeOn-time71%

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