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$217+ Cheap flights from San Salvador (SAL) to Boston (BOS)

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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — BOS
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from San Salvador El Salvador Intl to Boston Logan Intl are usually found in September or October, booked 64 days in advance, depart on a Saturday or Sunday and return on a Tuesday

Cheap flight deals from San Salvador to Boston

Discover tips and strategies to find the most affordable flight options for your journey from San Salvador (SAL) to Boston (BOS). 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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$352
(Booking.com)

One-way from

$217
(Cheapflightsfares)

Popular in

January

Cheapest in

September

Average price

$506

Good round-trip deal

$409 or less

Good one-way deal

$287 or less
Provider with most accurate pricing for San Salvador El Salvador Intl-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for San Salvador El Salvador Intl-Boston Logan Intl flights.
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From San Salvador El Salvador Intl to Boston Logan Intl
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One-way flight from San Salvador El Salvador Intl to Boston Logan Intl
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Highest demand for flights based on searches. 10% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from San Salvador El Salvador Intl to Boston Logan Intl.
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Price to beat on a one-way flight from San Salvador El Salvador Intl to Boston Logan Intl.
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Find flight deals from San Salvador to Boston

Cheapest flights from San Salvador to Boston
Explore the most affordable flight options available from San Salvador to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Copa Airlines deal was found by Cheapflights users on 4/14. 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 7/158:30 amSAL - BOS
1 stop11h 57mCopa Airlines
Tue 8/54:05 pmBOS - SAL
1 stop9h 32mCopa Airlines
Deal found 4/14$350
This Booking.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/137:45 amSAL - BOS
Nonstop5h 10mMultiple Airlines
Tue 6/176:10 amBOS - SAL
1 stop7h 59mMultiple Airlines
Deal found 4/14$352
This Priceline deal was found by Cheapflights users on 4/14. 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.
Fri 5/237:45 amSAL - BOS
Nonstop5h 10mAvianca
Sun 5/254:50 pmBOS - SAL
Nonstop5h 25mAvianca
Deal found 4/14$371
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Tue 9/21:10 pmSAL - BOS
2 stops18h 25mAmerican Airlines
Tue 9/167:25 pmBOS - SAL
2 stops17h 35mAmerican Airlines
Deal found 4/15$373
This Booking.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/151:14 pmSAL - BOS
1 stop7h 34mSpirit Airlines
Mon 6/234:55 pmBOS - SAL
1 stop21h 14mSpirit Airlines
Deal found 4/14$381
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Thu 5/2910:41 pmSAL - BOS
1 stop8h 14mUnited Airlines
Tue 6/38:00 amBOS - SAL
2 stops14h 43mUnited Airlines
Deal found 4/14$423
This Delta deal was found by Cheapflights users on 4/14. 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.
Fri 5/301:05 pmSAL - BOS
1 stop10h 12mDelta
Tue 7/87:00 amBOS - SAL
1 stop7h 15mDelta
Deal found 4/14$458

Cheapflights Fare Finder

Customize your flight search to find flights from San Salvador to Boston 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 April 15, 2025.
Use the filters below to find and compare flights from San Salvador to Boston that are best for you.

Fly from

San Salvador

Fly to

Boston

Route

Depart

Return

Price

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Tue 7/15

8:30 am-10:27 pm

1 stop11h 57m

Boston Logan Intl

Tue 8/5

4:05 pm-11:37 pm

1 stop9h 32m

$350

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Fri 6/13

7:45 am-2:55 pm

Nonstop5h 10m

Boston Logan Intl

Tue 6/17

6:10 am-12:09 pm

1 stop7h 59m

$352

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Fri 5/23

7:45 am-2:55 pm

Nonstop5h 10m

Boston Logan Intl

Sun 5/25

4:50 pm-8:15 pm

Nonstop5h 25m

$371

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Tue 9/2

1:10 pm-9:35 am

2 stops18h 25m

Boston Logan Intl

Tue 9/16

7:25 pm-11:00 am

2 stops17h 35m

$373

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Sun 6/15

1:14 pm-10:48 pm

1 stop7h 34m

Boston Logan Intl

Mon 6/23

4:55 pm-12:09 pm

1 stop21h 14m

$381

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Thu 5/29

10:41 pm-8:55 am

1 stop8h 14m

Boston Logan Intl

Tue 6/3

8:00 am-8:43 pm

2 stops14h 43m

$423

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Fri 5/30

1:05 pm-1:17 am

1 stop10h 12m

Boston Logan Intl

Tue 7/8

7:00 am-12:15 pm

1 stop7h 15m

$458

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Sun 6/15

1:14 pm-10:48 pm

1 stop7h 34m

$217

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Wed 4/30

6:40 am-12:45 am

1 stop16h 05m

$223

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Wed 5/14

7:45 am-2:55 pm

Nonstop5h 10m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 15 results
1
2

Compare providers for flights from San Salvador to Boston

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 San Salvador to Boston in April.
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
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 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 San Salvador-Boston flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Salvador-Boston flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Salvador-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Salvador-Boston 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 San Salvador-Boston 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 San Salvador to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from San Salvador 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 San Salvador to Boston

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

Use this chart to determine the optimal time to book a round-trip flight from San Salvador to Boston. Price data was last updated on April 11, 2025.

The price you pay for your flight from San Salvador to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 64 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 San Salvador to Boston?

Currently, January is the cheapest month in which you can book a flight from San Salvador to Boston (average of $218). Flying from San Salvador to Boston in July is currently the most expensive (average of $311). 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 SAL to BOS?

Find hourly flight availability from San Salvador to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

One of the essential ways to save on airfare from San Salvador to Boston is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 19% on airfare.

Rainfall in Boston by month

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

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

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

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated April 15, 2025.
Read through reviews of airlines operating flights from San Salvador to Boston, such as Delta, Copa Airlines and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,918 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Copa Airlines
7.6
Good
1,408 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,658 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Avianca
6.7
Okay
2,313 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from San Salvador to Boston. 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 San Salvador to Boston flight route?

    Within the past month, 1 users have taken a look at flights from San Salvador El Salvador Intl to Boston Logan Intl.

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

    Our cheapest airline available from San Salvador to Boston is Copa Airlines. Our recent data shows that you can find tickets from as low as $361 on this airline. Additional options worth looking into are Avianca and American Airlines, starting at $371 and $378 round-trip. You may be able to fly from San Salvador to Boston for 18% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $217. Users have also found prices from $227 and $235 on Avianca and United Airlines, respectively.

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

    While on average a flight from San Salvador to Boston is generally $508, our data shows the cheapest flight currently is $213. When looking at the most popular route, (San Salvador El Salvador Intl - Boston Logan Intl), you can expect to pay $303 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Salvador to Boston 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 San Salvador to Boston?

    Currently, January is the cheapest month in which you can book a flight from San Salvador to Boston (average of $218). Flying from San Salvador to Boston in July is currently the most expensive (average of $311). 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
Marlborough
Warwick
Waltham
Framingham
Cambridge
Chestnut Hill
Seekonk
Randolph
Brockton
Lowell
Seabrook
West Yarmouth
Woburn
Somerville
Saco
Burlington
Smithfield
Lincoln
Salem
Chelsea

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Salvador to Boston

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

Top 6 airlines flying from San Salvador to Boston

Discover the top 6 airlines that operate flights from San Salvador to Boston. 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$194Average$428FlexibilityNo cancel feeOn-time65%
Copa AirlinesCheapest$249Average$391FlexibilityNo cancel feeOn-time70%
AviancaCheapest$283Average$482FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$308Average$604FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$347Average$540FlexibilityNo cancel feeOn-time69%
DeltaCheapest$370Average$498FlexibilityNo cancel feeOn-timeN/A

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