Boston

$142+ 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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — BOS
Jan 14 — Jan 211
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Salvador El Salvador Intl to Boston Logan Intl are usually found in October or September, booked 79 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap 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 December 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:45 amSAL - BOS
Nonstop5h 05mAvianca
Wed 1/73:25 pmBOS - SAL
Nonstop5h 50mAvianca
Deal found 12/15$255
This Avianca deal was found by Cheapflights users on 12/15. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:45 amSAL - BOS
Nonstop5h 05mAvianca
Sun 1/113:25 pmBOS - SAL
Nonstop5h 50mAvianca
Deal found 12/15$261
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:06 pmSAL - BOS
1 stop11h 08mMultiple Airlines
Sun 1/115:34 amBOS - SAL
1 stop10h 18mMultiple Airlines
Deal found 12/15$262
This eDestinos deal was found by Cheapflights users on 12/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:52 pmSAL - BOS
1 stop7h 05mSpirit Airlines
Sun 1/115:34 amBOS - SAL
1 stop10h 18mSpirit Airlines
Deal found 12/13$265
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:06 pmSAL - BOS
1 stop11h 13mMultiple Airlines
Wed 1/75:45 amBOS - SAL
1 stop10h 02mMultiple Airlines
Deal found 12/15$270
This Priceline deal was found by Cheapflights users on 12/13. 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.
Wed 12/247:45 amSAL - BOS
Nonstop5h 05mMultiple Airlines
Sun 1/411:03 amBOS - SAL
1 stop25h 53mMultiple Airlines
Deal found 12/13$275
This Expedia deal was found by Cheapflights users on 12/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:06 pmSAL - BOS
1 stop11h 08mMultiple Airlines
Sat 1/35:45 amBOS - SAL
1 stop9h 04mMultiple Airlines
Deal found 12/14$276
This CheapOair deal was found by Cheapflights users on 12/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:52 pmSAL - BOS
1 stop7h 05mSpirit Airlines
Sun 1/115:34 amBOS - SAL
1 stop10h 18mSpirit Airlines
Deal found 12/15$280
This eDestinos deal was found by Cheapflights users on 12/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/223:52 pmSAL - BOS
1 stop7h 05mSpirit Airlines
Mon 1/55:45 amBOS - SAL
1 stop10h 02mSpirit Airlines
Deal found 12/13$285
This Expedia deal was found by Cheapflights users on 12/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:45 amSAL - BOS
Nonstop5h 05mMultiple Airlines
Thu 1/111:03 amBOS - SAL
1 stop25h 53mMultiple Airlines
Deal found 12/13$286

Find 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 December 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$253
(Kiwi.com)

One-way from

$142
(United Airlines)

Popular in

January

Cheapest in

October

Average price

$447

Good round-trip deal

$384 or less

Good one-way deal

$160 or less
Provider with most accurate pricing for San Salvador El Salvador Intl-Boston Logan Intl flight deals.
Provider most trusted by Cheapflights users for San Salvador El Salvador Intl-Boston Logan Intl flights.
From San Salvador El Salvador Intl to Boston Logan Intl
One-way flight from San Salvador El Salvador Intl to Boston Logan Intl
Highest demand for flights based on searches. 10% potential increase in price ($54 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from San Salvador El Salvador Intl to Boston Logan Intl.
Price to beat on a one-way flight from San Salvador El Salvador Intl to Boston Logan Intl.

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 December 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

Mon 2/9

7:45 am-1:50 pm

Nonstop5h 05m

Boston Logan Intl

Mon 2/16

3:25 pm-8:15 pm

Nonstop5h 50m

$261

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Fri 1/16

11:23 am-2:38 pm

2 stops26h 15m

Boston Logan Intl

Tue 1/20

5:34 am-2:52 pm

1 stop10h 18m

$264

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Wed 3/18

12:37 pm-10:06 am

2 stops19h 29m

Boston Logan Intl

Tue 3/31

2:36 pm-1:01 pm

1 stop24h 25m

$281

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Tue 2/24

2:56 pm-10:35 am

2 stops18h 39m

Boston Logan Intl

Tue 3/3

6:15 pm-12:37 pm

2 stops19h 22m

$281

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Thu 5/7

4:53 am-11:08 pm

1 stop16h 15m

Boston Logan Intl

Sun 5/17

8:52 am-11:36 pm

1 stop16h 44m

$285

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Fri 1/23

8:36 am-10:03 pm

1 stop12h 27m

Boston Logan Intl

Wed 1/28

7:31 am-11:36 pm

1 stop17h 05m

$285

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Tue 3/31

8:35 am-11:10 pm

1 stop12h 35m

Boston Logan Intl

Tue 4/7

3:51 pm-11:36 pm

1 stop9h 45m

$285

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Thu 3/26

5:02 am-11:10 pm

1 stop16h 08m

Boston Logan Intl

Thu 4/2

3:51 pm-11:36 pm

1 stop9h 45m

$285

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Fri 1/23

4:40 pm-6:57 pm

2 stops25h 17m

Boston Logan Intl

Wed 1/28

7:05 am-3:24 pm

1 stop9h 19m

$295

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Mon 12/29

1:06 pm-1:19 am

1 stop11h 13m

Boston Logan Intl

Fri 1/9

6:00 am-1:31 pm

1 stop8h 31m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 17 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust 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 San Salvador-Boston flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on San Salvador-Boston flight deals on Cheapflights vs. Mytrip >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 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 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 December 12, 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 79 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, August is the cheapest month in which you can book a flight from San Salvador to Boston (average of $115). Flying from San Salvador to Boston in March is currently the most expensive (average of $252). 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 December 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 18% on airfare.

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 December 15, 2025.
Read through reviews of airlines operating flights from San Salvador to Boston, such as Copa Airlines, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.4

Boarding

7.8

Food

6.8

Entertainment

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

Comfort

7.4

Boarding

7.8

Food

6.8

Entertainment

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

Comfort

7.4

Boarding

7.8

Food

6.8

Entertainment

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

Comfort

7.4

Boarding

7.8

Food

6.8

Entertainment

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

Comfort

7.4

Boarding

7.8

Food

6.8

Entertainment

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

Comfort

7.4

Boarding

7.8

Food

6.8

Entertainment

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

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?

  • How long is the flight from San Salvador to Boston?

    Airlines like Avianca, Spirit Airlines, and American Airlines fly from San Salvador to Boston in about 5h 05m. The time it takes to get you to your destination can typically vary by up to 21h 10m. San Salvador and Boston are separated by a distance of 2269 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from San Salvador to Boston is Delta. Our recent data shows that you can find tickets from as low as $150 on this airline. Additional options worth looking into are Copa Airlines and United Airlines, starting at $152 and $152 round-trip. You may be able to fly from San Salvador to Boston for 65% 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 Copa Airlines. According to our data, you can fly for as low as $144. Users have also found prices from $145 and $145 on Spirit Airlines and Delta, respectively.

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

    While on average a flight from San Salvador to Boston is generally $326, our data shows the cheapest flight currently is $142. When looking at the most popular route, (San Salvador El Salvador Intl - Boston Logan Intl), you can expect to pay $230 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, August is the cheapest month in which you can book a flight from San Salvador to Boston (average of $115). Flying from San Salvador to Boston in March is currently the most expensive (average of $252). 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?

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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.

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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$150Average$452FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$152Average$408FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$204Average$401FlexibilityNo cancel feeOn-time70%
Spirit AirlinesCheapest$211Average$301FlexibilityNo cancel feeOn-time65%
AviancaCheapest$274Average$468FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$396Average$618FlexibilityNo cancel feeOn-time71%

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