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San Salvador

$290+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAL
Jul 24 — Jul 311
Fri 7/24
Fri 7/31
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 October or September, booked 81 days in advance, depart on a Sunday or Wednesday and return on a Saturday

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 June 24, 2026.

This United Airlines deal was found by Cheapflights users on 6/23. 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.
Sun 9/69:29 am
BOS
-
SAL
1 stop14h 06m
United Airlines
Sun 9/206:00 am
SAL
-
BOS
2 stops25h 33m
United Airlines
Deal found 6/23$524
This Copa Airlines deal was found by Cheapflights users on 6/22. 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.
Wed 11/112:50 pm
BOS
-
SAL
1 stop9h 45m
Copa Airlines
Sat 11/217:30 am
SAL
-
BOS
1 stop13h 31m
Copa Airlines
Deal found 6/22$526
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Fri 9/113:45 pm
BOS
-
SAL
1 stop31h 04m
United Airlines
Sun 9/206:00 am
SAL
-
BOS
2 stops25h 33m
United Airlines
Deal found 6/23$527
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Wed 11/115:45 am
BOS
-
SAL
2 stops10h 39m
United Airlines
Sat 11/141:10 am
SAL
-
BOS
2 stops10h 08m
United Airlines
Deal found 6/23$528
This Delta deal was found by Cheapflights users on 6/21. 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 9/256:50 am
BOS
-
SAL
1 stop7h 41m
Delta
Wed 10/71:39 pm
SAL
-
BOS
1 stop9h 19m
Delta
Deal found 6/21$533
This United Airlines deal was found by Cheapflights users on 6/23. 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 8/135:45 am
BOS
-
SAL
1 stop7h 44m
United Airlines
Thu 8/273:40 pm
SAL
-
BOS
2 stops20h 27m
United Airlines
Deal found 6/23$537
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:54 pm
BOS
-
SAL
1 stop29h 04m
United Airlines
Sun 9/206:00 am
SAL
-
BOS
2 stops25h 33m
United Airlines
Deal found 6/24$538
This KAYAK deal was found by Cheapflights users on 6/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:25 am
BOS
-
SAL
1 stop9h 05m
Azul
Sun 10/46:00 am
SAL
-
BOS
1 stop15h 39m
Azul
Deal found 6/23$540
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Wed 11/119:41 am
BOS
-
SAL
1 stop12h 38m
United Airlines
Mon 11/1611:54 pm
SAL
-
BOS
1 stop15h 06m
United Airlines
Deal found 6/23$543
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Wed 6/246:00 am
BOS
-
SAL
2 stops14h 58m
United Airlines
Mon 7/1310:45 pm
SAL
-
BOS
1 stop21h 10m
United Airlines
Deal found 6/22$544
This KAYAK deal was found by Cheapflights users on 6/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:33 am
BOS
-
SAL
2 stops13h 16m
Multiple Airlines
Tue 10/66:00 am
SAL
-
BOS
1 stop9h 29m
Multiple Airlines
Deal found 6/23$545
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Fri 9/113:45 pm
BOS
-
SAL
1 stop31h 04m
United Airlines
Mon 9/216:00 am
SAL
-
BOS
1 stop15h 38m
United Airlines
Deal found 6/23$546

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 June 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$524
(United Airlines)

One-way from

$290
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$596

Good round-trip deal

$423 or less

Good one-way deal

$385 or less
Provider with most accurate pricing for Boston Logan Intl-San Salvador El Salvador Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-San Salvador El Salvador Intl flights.
Search Deals
From Boston Logan Intl to San Salvador El Salvador Intl
Search Deals
One-way flight from Boston Logan Intl to San Salvador El Salvador Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to San Salvador El Salvador Intl.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to San Salvador El Salvador Intl.
Search Deals

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 June 24, 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

Sun 9/20

5:30 am-12:31 pm

1 stop9h 01m

San Salvador El Salvador Intl

Sun 10/4

1:57 pm-1:17 am

1 stop9h 20m

$533

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Mon 8/24

11:00 am-8:49 pm

2 stops11h 49m

San Salvador El Salvador Intl

Fri 9/4

1:20 pm-12:50 pm

2 stops21h 30m

$537

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Tue 8/25

5:45 am-8:49 pm

2 stops17h 04m

San Salvador El Salvador Intl

Mon 8/31

6:00 am-11:38 pm

1 stop15h 38m

$537

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Thu 11/26

8:05 pm-9:45 pm

2 stops50h 40m

San Salvador El Salvador Intl

Mon 12/21

6:55 am-11:54 pm

2 stops15h 59m

$551

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Fri 8/14

5:45 am-8:49 pm

2 stops17h 04m

San Salvador El Salvador Intl

Sat 8/22

3:40 pm-9:36 am

2 stops15h 56m

$579

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Thu 7/16

5:47 am-8:49 pm

1 stop17h 02m

San Salvador El Salvador Intl

Tue 8/4

1:15 am-7:14 pm

2 stops15h 59m

$585

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Thu 11/5

8:25 pm-3:24 pm

2 stops19h 59m

San Salvador El Salvador Intl

Sat 11/7

1:10 am-4:00 pm

2 stops13h 50m

$585

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sun 9/27

7:25 am-2:30 pm

1 stop9h 05m

San Salvador El Salvador Intl

Sat 10/3

1:50 pm-11:24 am

2 stops19h 34m

$595

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Fri 11/27

5:55 pm-9:45 pm

2 stops28h 50m

San Salvador El Salvador Intl

Sat 12/5

2:00 am-2:02 pm

2 stops11h 02m

$599

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Thu 7/23

3:57 pm-11:37 pm

1 stop9h 40m

San Salvador El Salvador Intl

Sun 7/26

1:59 pm-2:34 pm

1 stop22h 35m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 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?

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 80 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 $344). Flying from Boston to San Salvador in December is currently the most expensive (average of $709). 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 June 24, 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 June 24, 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.
Delta
7.8
Good
8,434 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Comfort

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
Delta
7.8
Good
8,434 reviews
Delta
7.8
Good
8,434 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Comfort

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
Copa Airlines
7.6
Good
1,569 reviews
Delta
7.8
Good
8,434 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Comfort

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
United Airlines
7.4
Good
9,885 reviews
Delta
7.8
Good
8,434 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Comfort

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
American Airlines
7.1
Good
11,754 reviews
Delta
7.8
Good
8,434 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Comfort

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
Avianca
6.5
Okay
2,535 reviews
Delta
7.8
Good
8,434 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Comfort

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?

    This flight path from Boston Logan Intl to San Salvador El Salvador Intl was viewed by 47 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Airlines like United Airlines fly from Boston to San Salvador in about 14h 06m. The time it takes to get you to your destination can typically vary by up to . Boston and San Salvador are separated by a distance of 2269 mi.

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

    According to our current data, Copa Airlines ($92), Delta ($141), and United Airlines ($150) 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 United Airlines from $94 one-way.

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

    While on average a flight from Boston to San Salvador is generally $512, our data shows the cheapest flight currently is $275. When looking at the most popular route, (Boston Logan Intl - San Salvador El Salvador Intl), you can expect to pay $479 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. Atlanta is the second most popular location for layovers on flights from Boston to San Salvador.

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

    Kaseya Center, Bayfront Park, and Bayside Marketplace are currently the most popular points of interest in Miami at the moment. Kaseya Center, Bayfront Park, and Bayside Marketplace 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 $23.

  • 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 $53 per day.

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

    Flights departing from Boston and landing in San Salvador layover in Panama City 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, October is the cheapest month in which you can book a flight from Boston to San Salvador (average of $344). Flying from Boston to San Salvador in December is currently the most expensive (average of $709). 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
Sonsonate
El Cuco

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.
Albany to San Salvador flights

Top 7 airlines flying from Boston to San Salvador

Discover the top 7 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 June 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$92Average$337FlexibilityNo cancel feeOn-time70%
DeltaCheapest$141Average$406FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$150Average$505FlexibilityNo cancel feeOn-time69%
FrontierCheapest$156Average$513FlexibilityNo cancel feeOn-time62%
AviancaCheapest$250Average$534FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$315Average$597FlexibilityNo cancel feeOn-time71%
GOLCheapest$513Average$624FlexibilityNo cancel feeOn-time74%

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