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$112+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAL
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 May, 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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$304
(United)

One-way from

$112
(Copa Airlines)

Popular in

December

Cheapest in

September

Average price

$499

Good round-trip deal

$490 or less

Good one-way deal

$230 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 ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This United deal was found by Cheapflights users on 3/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:15 pmBOS - SAL
1 stop29h 02mUnited Airlines
Thu 9/253:30 pmSAL - BOS
2 stops24h 02mUnited Airlines
Deal found 3/25$304
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Fri 4/411:13 amBOS - SAL
1 stop9h 41mAmerican Airlines
Sun 4/206:00 amSAL - BOS
1 stop13h 48mAmerican Airlines
Deal found 3/25$305
This Mytrip deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/74:50 pmBOS - SAL
Nonstop5h 25mMultiple Airlines
Tue 5/136:00 amSAL - BOS
1 stop14h 56mMultiple Airlines
Deal found 3/25$307
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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.
Fri 5/94:50 pmBOS - SAL
Nonstop5h 25mAvianca
Mon 5/267:45 amSAL - BOS
Nonstop5h 10mAvianca
Deal found 3/25$308
This Mytrip deal was found by Cheapflights users on 3/25. 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.
Sat 4/122:12 pmBOS - SAL
1 stop11h 33mSpirit Airlines
Sat 4/1912:50 amSAL - BOS
2 stops13h 33mSpirit Airlines
Deal found 3/25$315
This Copa Airlines deal was found by Cheapflights users on 3/24. 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.
Mon 9/18:41 amBOS - SAL
1 stop16h 56mCopa Airlines
Mon 9/155:00 amSAL - BOS
1 stop12h 22mCopa Airlines
Deal found 3/24$323
This Delta deal was found by Cheapflights users on 3/25. 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.
Wed 4/26:50 amBOS - SAL
1 stop7h 42mDelta
Tue 4/81:59 pmSAL - BOS
1 stop9h 08mDelta
Deal found 3/25$460

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 March 26, 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

Fri 9/5

2:16 pm-2:23 pm

2 stops26h 07m

San Salvador El Salvador Intl

Thu 9/25

3:30 pm-5:32 pm

2 stops24h 02m

$304

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sun 4/27

4:50 pm-8:15 pm

Nonstop5h 25m

San Salvador El Salvador Intl

Sun 5/4

6:40 am-3:21 pm

2 stops30h 41m

$305

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Fri 5/9

4:50 pm-8:15 pm

Nonstop5h 25m

San Salvador El Salvador Intl

Mon 5/26

7:45 am-2:55 pm

Nonstop5h 10m

$308

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sat 4/12

2:12 pm-11:45 pm

1 stop11h 33m

San Salvador El Salvador Intl

Sat 4/19

12:50 am-4:23 pm

2 stops13h 33m

$315

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Mon 9/1

8:41 am-11:37 pm

1 stop16h 56m

San Salvador El Salvador Intl

Mon 9/15

5:00 am-7:22 pm

1 stop12h 22m

$323

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Tue 8/26

7:41 am-1:05 pm

1 stop7h 24m

San Salvador El Salvador Intl

Tue 9/2

2:40 pm-8:24 am

2 stops15h 44m

$329

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Mon 4/7

3:36 pm-11:36 pm

1 stop10h 00m

$112

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Fri 6/6

4:50 pm-8:15 pm

Nonstop5h 25m

$113

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Tue 5/27

5:25 pm-11:58 pm

1 stop8h 33m

$117

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sun 4/27

10:50 am-8:52 pm

1 stop12h 02m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 12 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-San Salvador flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for 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 March 21, 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 March 26, 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 March 26, 2025.
Peruse reviews from past customers who have flown with Copa Airlines, United Airlines and American 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.
Copa Airlines
7.6
Good
1,393 reviews

Overall

7.6

Boarding

7.8

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
Copa Airlines
7.6
Good
1,393 reviews
Copa Airlines
7.6
Good
1,393 reviews

Overall

7.6

Boarding

7.8

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
United Airlines
7.4
Good
8,608 reviews
Copa Airlines
7.6
Good
1,393 reviews

Overall

7.6

Boarding

7.8

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
American Airlines
7.2
Good
10,000 reviews
Copa Airlines
7.6
Good
1,393 reviews

Overall

7.6

Boarding

7.8

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
Avianca
6.7
Okay
2,298 reviews
Copa Airlines
7.6
Good
1,393 reviews

Overall

7.6

Boarding

7.8

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
Spirit Airlines
6.3
Okay
7,878 reviews
Copa Airlines
7.6
Good
1,393 reviews

Overall

7.6

Boarding

7.8

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.

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 81 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, United Airlines ($304), Avianca ($308), and Spirit Airlines ($315) offers the cheapest pricing from Boston to San Salvador. You may be able to fly from Boston to San Salvador for 40% 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 $112 on Copa Airlines. Other airlines that offer cheap prices include Avianca from $113 and United Airlines from $117 one-way.

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

    While on average a flight from Boston to San Salvador is generally $443, our data shows the cheapest flight currently is $124. When looking at the most popular route, (Boston Logan Intl - San Salvador El Salvador Intl), you can expect to pay $220 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, Bayside Marketplace, and Bayfront Park are currently the most popular points of interest in Miami at the moment. Wynwood Art District, Bayside Marketplace, and Bayfront Park 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
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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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$163Average$501FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$219Average$644FlexibilityNo cancel feeOn-time69%
AviancaCheapest$266Average$495FlexibilityNo cancel feeOn-time71%
DeltaCheapest$309Average$536FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$309Average$449FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$315Average$580FlexibilityNo cancel feeOn-time71%
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