San Salvador

$215+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAL
juin 12 — juin 191
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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”

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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 42 days in advance, depart on a Sunday or Wednesday and return on a Tuesday

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 mai 13, 2026.

This Justfly.com deal was found by Cheapflights users on 5/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/168:45 am
BOS
-
SAL
1 stop32h 55m
Avianca
mer. 5/207:45 am
SAL
-
BOS
Nonstop5h 05m
Avianca
Deal found 5/11$438
This Delta deal was found by Cheapflights users on 5/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/136:55 am
BOS
-
SAL
1 stop7h 27m
Delta
jeu. 9/171:37 pm
SAL
-
BOS
1 stop9h 29m
Delta
Deal found 5/9$441
This United Airlines deal was found by Cheapflights users on 5/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/266:00 am
BOS
-
SAL
1 stop17h 35m
United Airlines
lun. 6/810:45 pm
SAL
-
BOS
1 stop17h 12m
United Airlines
Deal found 5/10$451
This United Airlines deal was found by Cheapflights users on 5/11. 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.
mer. 9/167:25 am
BOS
-
SAL
1 stop15h 24m
United Airlines
mar. 10/61:50 pm
SAL
-
BOS
2 stops17h 34m
United Airlines
Deal found 5/11$455
This United Airlines deal was found by Cheapflights users on 5/8. 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.
dim. 5/247:00 pm
BOS
-
SAL
1 stop28h 35m
United Airlines
lun. 6/110:45 pm
SAL
-
BOS
1 stop9h 08m
United Airlines
Deal found 5/8$457
This United Airlines deal was found by Cheapflights users on 5/8. 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.
dim. 5/107:25 am
BOS
-
SAL
1 stop15h 24m
United Airlines
ven. 5/221:20 pm
SAL
-
BOS
1 stop27h 54m
United Airlines
Deal found 5/8$458
This FlightHub deal was found by Cheapflights users on 5/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/238:45 am
BOS
-
SAL
1 stop28h 20m
Avianca
dim. 7/267:45 am
SAL
-
BOS
Nonstop5h 05m
Avianca
Deal found 5/12$463
This United Airlines deal was found by Cheapflights users on 5/8. 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.
sam. 5/91:30 pm
BOS
-
SAL
1 stop27h 00m
United Airlines
mer. 5/203:40 pm
SAL
-
BOS
2 stops15h 59m
United Airlines
Deal found 5/8$468
This United Airlines deal was found by Cheapflights users on 5/9. 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.
dim. 5/247:00 pm
BOS
-
SAL
1 stop28h 35m
United Airlines
jeu. 5/281:15 am
SAL
-
BOS
1 stop20h 04m
United Airlines
Deal found 5/9$469
This United Airlines deal was found by Cheapflights users on 5/9. 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.
sam. 5/91:30 pm
BOS
-
SAL
1 stop27h 00m
United Airlines
ven. 5/221:20 pm
SAL
-
BOS
1 stop27h 54m
United Airlines
Deal found 5/9$470
This Copa Airlines deal was found by Cheapflights users on 5/8. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/183:57 pm
BOS
-
SAL
1 stop9h 37m
Copa Airlines
jeu. 9/37:30 am
SAL
-
BOS
1 stop13h 32m
Copa Airlines
Deal found 5/8$478

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 mai 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$441
(Delta)

One-way from

$215
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$472

Good round-trip deal

$442 or less

Good one-way deal

$216 or less
Provider with most accurate pricing for Boston Logan Intl-San Salvador El Salvador Intl flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-San Salvador El Salvador Intl flights.
From Boston Logan Intl to San Salvador El Salvador Intl
One-way flight from Boston Logan Intl to San Salvador El Salvador Intl
Highest demand for flights based on searches. 6% potential increase in price ($34 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Boston Logan Intl to San Salvador El Salvador Intl.
Price to beat on a one-way flight from Boston Logan Intl to San Salvador El Salvador Intl.

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 mai 13, 2026.
Use the filters below to find and compare flights from Boston to San Salvador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mer. 9/16

6:55 am-12:22 pm

1 stop7h 27m

San Salvador El Salvador Intl

mer. 9/30

1:37 pm-1:06 am

1 stop9h 29m

$441

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mar. 6/2

7:30 am-9:35 pm

1 stop16h 05m

San Salvador El Salvador Intl

mar. 6/9

10:45 pm-5:57 pm

1 stop17h 12m

$451

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

ven. 10/23

8:15 pm-2:30 pm

2 stops20h 15m

San Salvador El Salvador Intl

sam. 10/31

5:55 am-11:20 pm

1 stop15h 25m

$455

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

jeu. 8/20

1:41 pm-8:49 pm

1 stop9h 08m

San Salvador El Salvador Intl

lun. 8/31

3:40 pm-11:19 am

2 stops17h 39m

$455

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mer. 9/16

7:25 am-8:49 pm

1 stop15h 24m

San Salvador El Salvador Intl

dim. 10/4

1:50 pm-9:24 am

2 stops17h 34m

$455

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mar. 6/2

5:45 am-9:35 pm

2 stops17h 50m

San Salvador El Salvador Intl

lun. 6/8

10:45 pm-7:14 pm

2 stops18h 29m

$455

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mer. 9/23

7:25 am-8:49 pm

1 stop15h 24m

San Salvador El Salvador Intl

mer. 10/14

1:50 pm-9:24 am

2 stops17h 34m

$455

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

dim. 9/27

8:47 am-8:31 pm

1 stop13h 44m

San Salvador El Salvador Intl

sam. 10/3

4:54 am-11:02 pm

1 stop16h 08m

$463

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mar. 10/13

8:15 pm-2:30 pm

2 stops20h 15m

San Salvador El Salvador Intl

mar. 10/27

10:54 pm-7:38 pm

2 stops18h 44m

$517

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

mer. 6/3

9:30 am-9:35 pm

1 stop14h 05m

San Salvador El Salvador Intl

mer. 6/10

1:20 pm-8:17 am

2 stops16h 57m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 19 resultsSorted by cheapest first
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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice 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 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?

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 41 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, October is the cheapest month in which you can book a flight from Boston to San Salvador (average of $341). Flying from Boston to San Salvador in December is currently the most expensive (average of $710). 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 mai 13, 2026.

When flying from Boston to San Salvador, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Boston to San Salvador?

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 mai 13, 2026.
Read reviews from past customers who have flown Delta,Copa Airlines, andUnited 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.

Crew

8.5

Overall

7.9

Comfort

7.8

Boarding

8.1

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Overall

7.9

Comfort

7.8

Boarding

8.1

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Overall

7.9

Comfort

7.8

Boarding

8.1

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Overall

7.9

Comfort

7.8

Boarding

8.1

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Overall

7.9

Comfort

7.8

Boarding

8.1

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Overall

7.9

Comfort

7.8

Boarding

8.1

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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?

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

    Airlines like Delta and United Airlines fly from Boston to San Salvador in about 7h 27m. The time it takes to get you to your destination can typically vary by up to 8h 38m. 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 ($121), and Delta ($140) offers the cheapest pricing from Boston to San Salvador. You may be able to fly from Boston to San Salvador for 80% 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 $66 on Frontier. Other airlines that offer cheap prices include Copa Airlines from $92 and Spirit Airlines from $92 one-way.

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

    While on average a flight from Boston to San Salvador is generally $449, our data shows the cheapest flight currently is $147. When looking at the most popular route, (Boston Logan Intl - San Salvador El Salvador Intl), you can expect to pay $429 for that flight.

  • Where are the most common layover locations when flying from Boston to San Salvador?

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

    Kaseya Center, Bayside Marketplace, and Bayfront Park are currently the most popular points of interest in Miami at the moment. Kaseya Center, Bayside Marketplace, and Bayfront Park 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 $26.

  • What are some popular points of interest to see during a layover in Atlanta?

    Most Atlanta visitors opt to spend their time at Georgia Aquarium, Centennial Olympic Park, and Fox Theatre. Those on a layover in Atlanta interested in visiting Georgia Aquarium, Centennial Olympic Park, or Fox Theatre can do so by traveling 8.6 mi, 8.4 mi, and 9.3 mi, respectively from Atlanta Hartsfield-Jackson. Those looking to explore during their layover in Atlanta can rent a car from Atlanta Hartsfield-Jackson for about $60 per day.

  • Where are the least popular layover locations for Boston to San Salvador flights?

  • 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, October is the cheapest month in which you can book a flight from Boston to San Salvador (average of $341). Flying from Boston to San Salvador in December is currently the most expensive (average of $710). 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
La Libertad
El Cuco
Sonsonate

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 8 airlines flying from Boston to San Salvador

Discover the top 8 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 mai 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$92Average$311FlexibilityNo cancel feeOn-time70%
Spirit AirlinesCheapest$121Average$303FlexibilityNo cancel feeOn-time65%
DeltaCheapest$140Average$390FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$153Average$473FlexibilityNo cancel feeOn-time69%
FrontierCheapest$156Average$513FlexibilityNo cancel feeOn-time62%
AviancaCheapest$234Average$506FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$314Average$591FlexibilityNo cancel feeOn-time71%
GOLCheapest$513Average$623FlexibilityNo cancel feeOn-time74%

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